CN108811408A - E-machine - Google Patents
E-machine Download PDFInfo
- Publication number
- CN108811408A CN108811408A CN201710310097.XA CN201710310097A CN108811408A CN 108811408 A CN108811408 A CN 108811408A CN 201710310097 A CN201710310097 A CN 201710310097A CN 108811408 A CN108811408 A CN 108811408A
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- China
- Prior art keywords
- cable
- component
- situated
- engagement
- protruding portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920005989 resin Polymers 0.000 claims abstract description 142
- 239000011347 resin Substances 0.000 claims abstract description 142
- 238000007789 sealing Methods 0.000 claims abstract description 88
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920005749 polyurethane resin Polymers 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- -1 polybutylene terephthalate Polymers 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 20
- 230000008602 contraction Effects 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 239000004814 polyurethane Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 230000009467 reduction Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000007373 indentation Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010730 cutting oil Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 101000760620 Homo sapiens Cell adhesion molecule 1 Proteins 0.000 description 1
- 101000710013 Homo sapiens Reversion-inducing cysteine-rich protein with Kazal motifs Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 108090000237 interleukin-24 Proteins 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/95—Proximity switches using a magnetic detector
- H03K17/952—Proximity switches using a magnetic detector using inductive coils
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The present invention provides a kind of environment resistant especially excellent e-machine.E-machine includes：The engagement of shell, resin from the cable pulled out in shell, on cable be situated between every component, the fixture for the tubular for keeping cable and filling by shell and fixture defined inside space sealing resin section.Cable has the sheath of core wire and the resin for covering core wire, and in the end of cable, core wire is not covered by sheath and exposed.Engagement Jie has the protruding portion of the base portion of the tubular of the peripheral surface of covering sheath and the front end side tubular outstanding towards cable every component.The end face of the inner peripheral surface and peripheral surface of protruding portion and the front end side in the axis direction of protruding portion is covered by sealing resin section.
Description
Technical field
The present invention relates to a kind of e-machines more particularly to a kind of space of the inside of shell by resin seal, and from
E-machine made of the inside outward portion drawn out cable of the shell.
Background technology
In specific e-machine, in order to ensure environment resistant, the space of the inside of the shell of electronic component is contained
By resin seal.In the case, how to be pulled out from the inside of shell to supply electric power when ensuring environment resistant
Feed cable becomes problem to the signal cable etc. being connect with exterior terminal.
In general, the cables such as the feed cable or signal cable are to constitute as follows：Pass through chimeric institute on the shell
The fixture of elastically deformable in the opening portion of setting is kept, and thus mitigates the stress being applied on the cable.But only
It is kept in the composition of cable by fixture, ensure the sealing resin in the space of the inside of cable and sealing shell with being unable to fully
Engaging force between portion generates stripping in the interconnecting piece, as a result environment resistant not good enough.
Therefore, the method for studying the engaging force between various promotion cables and sealing resin section, such as Japanese special
Sharp special open 2015-177042 bulletins (patent document 1) or Japanese Patent Laid-Open 2009-43429 bulletins (patent document 2)
Middle announcement has in using the presence or absence of magnetic field detection metallic object or the proximity sensor of position, is promoted and is had in the proximity sensor
The method of engaging force between standby cable and sealing resin section.
Include polyvinyl chloride with covering in the proximity sensor disclosed in the patent document 1
The mode of the end of the cable of (Polyvinylchloride, PVC) resin is formed comprising poly- by insert molding to benzene two
The loop wire (ring cord) of formic acid fourth diester (Polybutylene terephthalate, PBT) resin, and by the loop wire
Sealing resin section is formed in the state of in indentation to fixture, is ensured between cable and sealing resin section from there through the loop wire
Engaging force.
In addition, in the proximity sensor disclosed in patent document 2, in a manner of the end of covering cable, pass through
Insert molding forms the two color shaped components comprising polyurethanes (Polyurethane, PUR) resin and PBT resin,
The protruding portion of inverted cone mesa-shaped is set in the front end of the two colors shaped component, and is pressed into fixture by the two colors shaped component
In the state of form sealing resin section, ensure the engagement between cable and sealing resin section from there through the two colors shaped component
Power.
[existing technical literature]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2015-177042 bulletins
[patent document 2] Japanese Patent Laid-Open 2009-43429 bulletins
Invention content
[problem to be solved by the invention]
But even if in the case where using the composition as disclosed in the patent document 1 and patent document 2, in phase
Ensure adequately environment resistant situation under harsh environment, being also at still to be far from being.For example, in the temperature passed through at any time
Variation is acutely and under a large amount of environment using oil such as cutting oil, even if using the composition, there is also shell with
The anxiety that stripping etc. generates breakage is generated on the interconnecting piece of cable, and there are rooms for improvement.
Therefore, the present invention is winner in order to solve described problem, and its purpose is to provide a kind of environment resistant especially excellent
Different e-machine.
[technical means to solve problem]
E-machine according to the present invention includes：Shell is provided with opening portion；Electronic component, receiving is in the housing；
Cable, by inserting in the opening portion, one end is electrically connected with the electronic component, and the other end pulls out towards the outside；
The engagement of resin is situated between every component, and installation is on the cables；The fixture of tubular is entrenched in the opening portion, and is fitted into
The engagement is situated between every component, thus keeps the cable；And sealing resin section, filling are advised by the shell and the fixture
The space of fixed inside.The cable has the sheath of the resin of the core wire comprising conductor wire and the covering core wire, in institute
In the part of the one end for stating cable, the core wire is not covered by the sheath and is exposed.The engagement is situated between to be had every component
There is the protrusion of the base portion of the tubular for the peripheral surface for covering the sheath and the one end tubular outstanding towards the cable
Portion.The end face of the inner peripheral surface and peripheral surface of the protruding portion and the front end side in the axis direction of the protruding portion is by described close
Seal resin portion covering.
In this way, be situated between every the protruding portion that tubular is arranged on component in engagement, and the inner peripheral surface of the protruding portion and peripheral surface with
And the end face of the front end side in the axis direction of protruding portion is covered by sealing resin section, the thus engagement of sealing resin section is situated between every structure
The amount of resin of the sealing resin section of the end of part side is reduced, therefore can be sought generated residual in the hardening of sealing resin section
The reduction of stress is stayed, and when the expansion and contraction of the sealing resin section in the variation with environment temperature, protruding portion is followed simultaneously
It is resiliently deformed, the stress caused by inside is significantly mitigated.It therefore, can will be between cable and sealing resin section
Engaging force ensures high, therefore can be used as environment resistant excellent e-machine.
It is described preferably when the extending direction observation along the cable in the e-machine according to the present invention
The shape of protruding portion is smaller than the shape of the base portion.
In this way, it is smaller than the shape of base portion every the shape of the protruding portion of component by engaging Jie, the composition of fixture can be simplified,
And the compact outline of the interconnecting piece of shell and cable can be made.
It, can be by the way that the base portion be welded on the sheath, and by institute in the e-machine according to the present invention
Engagement is stated to be situated between every component fixation on the cables.
In this way, being situated between every Member Welding on sheath by that will engage, easily engagement can be situated between and be fixed on cable every component
On.
In the e-machine according to the present invention, the base portion may include the weld part being welded on the sheath and
The unwelded non-solder portion on the sheath, in this case, it is preferable to which the thickness of the protruding portion is than the non-solder portion
Thickness is thin.
In this way, being situated between every the non-solder portion of the base portion of component than engagement every the thickness of the protruding portion of component by making engagement be situated between
Thickness is thin, with the sealing resin section of the variation of environment temperature expansion and contraction when the tracing ability of protruding portion further carry
It rises, therefore the engaging force between cable and sealing resin section can be ensured to obtain higher.
In the e-machine according to the present invention, it can be situated between in such a way that component covers the sheath by the engagement
Insert molding is carried out, thus the engagement is situated between and is fixed on the cables every component.
In this way, being situated between every component to form engagement by insert molding, thus easily engagement can be situated between is fixed on every component
On cable.
In the e-machine according to the present invention, the protruding portion is preferably on the circumferencial direction of the protruding portion, packet
It is the part below 0.3mm or more, 0.5mm containing thickness.
In this way, its thickness is arranged as the portion below 0.3mm or more, 0.5mm by being situated between in the protruding portion every component in engagement
Point, with the sealing resin section of the variation of environment temperature expansion and contraction when the tracing ability of protruding portion further promoted, because
Engaging force between cable and sealing resin section can be ensured to obtain higher by this.
In the e-machine according to the present invention, length in the axis direction of the preferably described protruding portion be 0.5mm with
On.
In this way, by the way that engagement Jie is set as 0.5mm or more every the axis direction length of the protruding portion of component, with environment temperature
Variation sealing resin section expansion and contraction when the tracing ability of protruding portion further promoted, therefore can be by cable and sealing
Engaging force between resin portion ensures to obtain higher.
In the e-machine according to the present invention, preferably it is provided with circumferentially on the peripheral surface of the protruding portion
The extended groove portion in direction.
In this way, groove portion is arranged by being situated between on the peripheral surface every component in engagement, sealing resin section is to fill the side of the groove portion
Formula is in place, and the part becomes wedge and can the engaging force between cable and sealing resin section be ensured to obtain higher.
In the e-machine according to the present invention, the preferably described sealing resin section includes epoxy resin and poly- amino first
Any one of acid ester resin, the engagement be situated between every component include polybutylene terephthalate resin, polyurethane resin,
Any one of nylon system resin and fluorine resin, the sheath include Corvic, polyurethane resin and fluorine system
Any one of resin.
In this way, in the e-machine according to the present invention, it is situated between every component and sheath as sealing resin section, engagement,
It is available to include various resin persons.
[The effect of invention]
According to the present invention, it is possible to provide a kind of environment resistant especially excellent e-machine.
Description of the drawings
Fig. 1 is the stereogram of the proximity sensor in embodiments of the present invention 1.
Fig. 2 is the sectional view along II-II lines shown in Fig. 1.
Fig. 3 is the enlarged cross-sectional view of region III shown in Fig. 2.
Fig. 4 is that cable shown in Fig. 1 and the engagement being fixed thereon are situated between every the approximate stereogram of component.
Fig. 5 is the flow chart for the manufacturing method for illustrating the proximity sensor in embodiments of the present invention 1.
Fig. 6 (A) to Fig. 6 (E) is the group for the manufacturing method for illustrating the proximity sensor in embodiments of the present invention 1
Dress figure.
Fig. 7 (A) and Fig. 7 (B) is in the proximity sensor illustrated in embodiments of the present invention 1, can be in shell
The constructed profile for the reasons why ensuring high bonding force with the interconnecting piece of cable, and be fixed with engagement be situated between every component cable just
Face figure.
Fig. 8 is the enlarged cross-sectional view of region VIII shown in Fig. 7 (A) and Fig. 7 (B).
Fig. 9 is the constructed profile of the shell of the proximity sensor of comparative example 1 and the interconnecting piece of cable.
Figure 10 is the constructed profile of the shell of the proximity sensor of comparative example 2 and the interconnecting piece of cable.
Figure 11 is the major part enlarged cross-sectional view of the proximity sensor of the 1st variation.
Figure 12 is the major part enlarged cross-sectional view of the proximity sensor of the 2nd variation.
Figure 13 is the major part enlarged cross-sectional view of the proximity sensor of the 3rd variation.
Figure 14 is the major part enlarged cross-sectional view of the proximity sensor of the 4th variation.
Figure 15 is the flow chart for the manufacturing method for illustrating the proximity sensor in embodiments of the present invention 2.
Figure 16 (A) and Figure 16 (B) is the manufacturing method for illustrating the proximity sensor in embodiments of the present invention 2
Assembling figure.
[explanation of symbol]
1A~1E, 1X, 1Y：Proximity sensor
10：Shell
20：Probe portion assembly
21：Core
21a：Support slot
22：Search coil
23：Coil case
24：Circuit board
24a：Terminal pad
25a~25c：Electronic component
26：1st sealing resin section
30：Cable
31：Core wire
31a：Conductor wire
32：Shielding material
33：Sheath
40：Engagement is situated between every component
41：Base portion
41a：Weld part
42,45：Protruding portion
42a：Front end
43：Groove portion
44：Cap
50：Fixture
51：Fixed part
52：Maintaining part
53：Linking part
53a：Cast gate
53b：Light guide section
60：2nd sealing resin section
t1,t2：Thickness
A,B,C,D,E,F,G：Arrow
L：Axis direction length
W：Width
ST11~ST17, ST21~ST28：Step
Specific implementation mode
Hereinafter, with reference to figure, detailed description of embodiments of the present invention.In embodiment as shown below, illustrate
The case where applying the present invention to proximity sensor illustrates.Furthermore in embodiment as shown below, to phase in figure
Same or shared part marks identical symbol, and does not repeat its explanation.
(embodiment 1)
Fig. 1 is the stereogram of the proximity sensor in embodiments of the present invention 1, and Fig. 2 is along II- shown in Fig. 1
The sectional view of II lines.In addition, Fig. 3 is the enlarged cross-sectional view of region III shown in Fig. 2, Fig. 4 be cable shown in Fig. 1 and
The engagement being fixed thereon is situated between every the approximate stereogram of component.First, with reference to described Fig. 1~Fig. 4, to connecing in present embodiment
The composition of nearly sensor 1A illustrates.
As shown in Figures 1 and 2, the proximity sensor 1A as e-machine in present embodiment has substantially cylindric
Shape, including：Shell 10, the probe portion assembly 20 comprising the 1st sealing resin section 26, cable 30, engagement be situated between every component 40,
Fixture 50 and the 2nd sealing resin section 60.
Shell 10 include both ends open metal strip cylindrical shape component, in axial direction with front end and after
End.It is assembled with probe portion assembly 20 in the front end of shell 10, fixture 50 is assembled in the rear end of shell 10.
As shown in Fig. 2, probe portion assembly 20 includes mainly：Core 21, search coil 22, coil case 23, circuit board
24 and the 1st sealing resin section 26.
Core 21 includes the columned component of billet for including magnetic material.Such as structure by coiled electrical conductor of search coil 22
As substantially cylindrical shape, and it is housed in annular recessed portion set on the front end face of core 21.Furthermore on the rear end face of core 21
It is provided with the support slot 21a of the front end of support circuit board 24.
Coil case 23 includes the component of the insulating properties of bottomed cylindrical, contains core 21 and search coil inside it
22.The front end face of core 21 is connected on the bottom of coil case 23.Before coil case 23 as its bottom to be located at shell 10
The mode of the state at end is pressed into and is fixed in shell 10.
Circuit board 24 is configured in a manner of extending along the axis direction of shell 10 at the rear of core 21.Circuit board 24 exists
It is formed with conductive pattern on its table back side, and various electronic component 25a~electricity are installed on the specified position at the table back side
Sub- part 25c etc..Search coil 22 is electrical with the circuit board 24 via the needle mounted on the end of the search coil 22
Connection.
Herein, it is mounted among various electronic component 25a~electronic component 25c in circuit board 24, is mounted on circuit
The electronic component 25c of the rear end of substrate 24 is by being powered come luminous light-emitting component.The light-emitting component corresponds to
The action state of proximity sensor 1A is come the person of shining, such as includes light emitting diode (Light Emitting Diode, LED).
Various processing circuits are formed in circuit board 24.As processing circuit, including：By search coil 22 as altogether
Shake circuit element oscillating circuit or the amplitude of oscillation of oscillating circuit and threshold value are compared to carry out the discriminating electricity of binaryzation
Road (discrimination circuit).The output of discriminator circuit is converted into addition, being also equipped in circuit board 24
Regulatory specifications voltage output or electric current output output circuit or by the electrical power conversion being externally introduced at defined power supply
Specification and the power circuit of output.The electronics zero as light-emitting component is controlled in addition, being also equipped in circuit board 24
The light emitting element driving circuit of the driving of part 25c.
The various circuits include the conductive pattern being arranged in circuit board 24 and the various electronic component 25a
~electronic component 25c etc. and search coil 22 etc..
1st sealing resin section 26 is to the core 21 and search coil 22 and circuit board 24 that are housed in coil case 23
Front end be sealed.1st sealing resin section 26 is to protect the front end of core 21 and search coil 22 and circuit board 24,
And from outside by their gas-tight seal and liquid-tight seal persons.
1st sealing resin section 26 is by fluid resin being injected into coil case 23 and makes it harden institute former.
Furthermore as the material of the 1st sealing resin section 26, such as it can suitably utilize epoxy resin or PUR resins etc..
It is provided on the specified position of the rear end of circuit board 24 contained in the core wire 31 for connecting aftermentioned cable 30
Terminal pad (land) 24a of some conductor wire 31a.Such as solder (not shown) can be used for the terminal pad 24a and conductor wire
The connection of 31a.
Cable 30 includes composite cable, and the composite cable includes：Including the core wire 31 of conductor wire 31a and covering should
The shielding material 32 and sheath 33 of core wire 31.Cable 30 is to insert in the opening portion of set rear end side on shell 10
Mode configures, and one end is electrically connected by being connect with the circuit board 24 with the various circuits, and the other end is outwardly
Portion pulls out.Furthermore sheath 33 is resin system, more appropriately includes any one of polyvinyl chloride resin, PUR resins and fluorine resin.
Herein, in described one end of cable 30, shielding material 32 and sheath 33 are peeled in such a way that core wire 31 exposes, in core
The part of line 31 being connect with terminal pad 24a, and then also peel in such a way that conductor wire 31a exposes the covering material of core wire 31.
As shown in Figure 2 to 4, engagement, which is situated between every component 40, is ensured between cable 30 and the 2nd sealing resin section 60
The component of zygosity is assembled on the end of the sheath 33 of the one end of cable 30.
Engagement, which is situated between, has the protruding portion 42 of cylindric base portion 41 and tubular every component 40；The base portion 41 of the cylindrical shape exists
In space by the inside of 50 defined of shell 10 and fixture, covering is positioned at the end of the sheath 33 of the one end of cable 30
Peripheral surface；The protruding portion 42 of the tubular is also located at cable 30 than the end of the sheath 33 of the one end positioned at cable 30
The one end, and protruded in such a way that the extending direction along cable 30 is extended.It is situated between every the one of component 40 at least engaging
Part enters the mode in the space by the inside of 50 defined of shell 10 and fixture, and engagement is situated between and is mounted on cable 30 every component 40
On.The enough unfertile lands of thickness of protruding portion 42 are constituted, preferably than part (the i.e. base in addition to aftermentioned weld part 41a of base portion 41
The non-solder portion in portion 41) constitute thinnerly.Furthermore it is resin system that engagement, which is situated between every component 40, more appropriately includes PBT
Any one of resin, PUR resins, nylon system resin and fluorine resin.
Herein, in the present embodiment, base portion 41 is from positioned at the end of the sheath 33 of the one end of cable 30, into
The only prominent specific length of the one end of one step towards cable 30 is extended, self preservation of the protruding portion 42 from the base portion 41
The front end of the end part outstanding of set 33 is risen, further outstanding setting.
In addition, in the present embodiment, when the extending direction observation along cable 30, the shape of protruding portion 42 compares base portion
41 shape is smaller constituted.Through such composition, the composition of aftermentioned fixture 50 can be simplified, is accompanied by this, shell can be made
10 with the compact outline of the interconnecting piece of cable 30.
It is formed with weld part 41a in the rear end of base portion 41.Weld part 41a is that engagement is situated between every structure by using welding
The fixation of part 40 is formed by position over the cable 30, and the thickness than the base portion 41 of the part in addition to weld part 41a is thin.Such as
This, by the way that base portion 41 to be welded on sheath 33, engagement is situated between can not movably fix over the cable 30 every component 40.
Circumferentially extended groove portion 43 is provided on the specified position of the peripheral surface of protruding portion 42.The groove portion 43
It is the jog in order to improve aftermentioned 2nd sealing resin section 60 with engage the engaging force being situated between component 40 and be arranged, leads to
It crosses and the groove portion 43 is arranged on protruding portion 42, can get so-called Anchoring Effect (anchor effect) and can seek described
The promotion of engaging force.Furthermore so-called Anchoring Effect refers to concave-convex by being arranged on joint surface, which is promoted as wedge
The effect of engaging force.
As shown in Figures 2 and 3, fixture 50 has substantially cylindric shape, and insert inside it has cable 30.Fixture 50
It is entrenched in the opening portion of rear end side set on shell 10, and is fitted into the engagement on the rear end of the fixture 50 and is situated between
Every component 40, cable 30 is thus kept.Fixture 50, which is for elastically deformable, includes the component of resin, and is applied to mitigate
It the stress that adds on cable 30 and is applied to engagement and is situated between every the stress person on component 40.
More specifically, fixture 50 includes：Positioned at the cylindric fixed part 51 of front end, positioned at the substantially round of rear end
The maintaining part 52 of tubular and link between fixed part 51 and maintaining part 52 and by the fixed part 51 and maintaining part 52
Linking part 53.
Fixed part 51 is to be consolidated fixture 50 by being pressed into the opening portion of set rear end side on shell 10
It is scheduled on the position on shell 10.Maintaining part 52 is to be situated between to inside it to remain engaged with every the indentation of component 40 by that will engage to be situated between
Every the position of component 40.In addition, linking part 53 is to by only ensuring to advise the distance between fixed part 51 and maintaining part 52
Set a distance, and improve the stress being applied on the cable 30 and be applied to engagement and be situated between every the alleviating function of the stress on component 40
Position.
In addition, in order to which court is by filling the 2nd sealing resin section 60 in the space of the inside of 50 defined of shell 10 and fixture,
Used cast gate when fluid resin of the injection as the 2nd sealing resin section 60 is provided on the specified position of linking part 53
(gate)53a。
Furthermore in the present embodiment, fixture 50 includes the resin material of non-light-proofness.This is to make from the conduct
The light being emitted in the electronic component 25c of light-emitting component is via the fixture 50 and light projector is to outside, therefore, fixed part 51 towards
The part of the light-emitting component is provided with the light guide section 53b of regulation shape.
Among 2nd sealing resin section 60 is to the space of the inside by 50 defined of shell 10 and fixture, except close by the described 1st
Space other than the space that envelope resin portion 26 seals is filled.The portion in addition to the front end of circuit board 24 as a result,
Divide and install various electronic component 25a~electronic component 25c on the portion and is not covered by the sheath 33 of cable 30
The core wire 31 of part sealed by the 2nd sealing resin section 60.
2nd sealing resin section 60 is to protect the part in addition to the front end of circuit board 24 and mounted on should
The core wire of various electronic component 25a~electronic component 25c and the part not covered by the sheath 33 of cable 30 on part
31, and from outside by their gas-tight seal and liquid-tight seal persons.
2nd sealing resin section 60 is by injecting fluid resin via the cast gate 53a of fixture 50 as described and making it
Harden institute former.Furthermore as the material of the 2nd sealing resin section 60, such as it can suitably utilize epoxy resin or PUR trees
Fat etc..
Herein, as shown in figure 3, engagement is situated between every the inner peripheral surface and its peripheral surface of the protruding portion 42 of component 40 and its axis direction
On the end face of front end side covered by the 2nd sealing resin section 60.As a result, in proximity sensor 1A in the present embodiment,
Engaging force between cable 30 and the 2nd sealing resin section 60 is ensured than previous proximity sensor higher, but in detail about it
Thin mechanism, followed by describes.
Fig. 5 and Fig. 6 (A) to Fig. 6 (E) is the manufacturing method for illustrating the proximity sensor in present embodiment respectively
Flow chart and assembling figure.Then, with reference to described Fig. 5 and Fig. 6 (A) to Fig. 6 (E) to the proximity sensor 1A's in present embodiment
Manufacturing method illustrates.
First, it is situated between every component 40 (step ST11) as shown in figure 5, making engagement.More specifically, with the base with tubular
The mode of portion 41 and protruding portion 42 from the 41 extended tubular of base portion forms engagement and is situated between every component 40.Make the engagement be situated between every
When component 40, such as the various methods such as ejection formation can be applied.
Then, as shown in Fig. 5 and Fig. 6 (A), engagement is situated between every the installation of component 40 over the cable 30 (step ST12).More in detail
For thin, engagement is situated between every in the indentation to the end of the sheath 33 of cable 30 of base portion 41 of component 40, thus engagement is situated between every structure
Part 40 is installed over the cable 30.The peripheral surface of the end of sheath 33 is covered by base portion 41 as a result, and protruding portion 42 is with from base portion
41 extended modes are in place.
Then, as shown in Fig. 5 and Fig. 6 (B), engagement is situated between every the welding of component 40 over the cable 30 (step ST13).More in detail
For thin, the base portion 41 being pressed into the part in sheath 33 is heated from outside, thus in the part (that is, by arrow in Fig. 6 (B)
Head A shown in part) on carry out thermal weld.Furthermore it welds in addition to the thermal weld using heat conduction, can also utilize and pass through laser
The welding of irradiation etc..
Then, as shown in Fig. 5 and Fig. 6 (C), cable 30 is connected on probe portion assembly 20 (step ST14).More in detail
For thin, the conductor wire 31a of the exposing to configure cable 30 in a manner of opposite with the terminal pad 24a of circuit board 24, and at this
Their welding is carried out under state.
Then, as shown in Fig. 5 and Fig. 6 (D), probe portion assembly 20 is assembled on shell 10 (step ST15).More in detail
For thin, by the indentation to the front end of shell 10 of probe portion assembly 20, probe portion assembly 20 is thus assembled in shell
On 10.
Then, as shown in Fig. 5 and Fig. 6 (E), fixture 50 is assembled in shell 10 and engagement is situated between every (step on component 40
ST16).More specifically, the fixed part 51 of fixture 50 is pressed into the opening portion of the rear end side of shell 10, and will engagement
It is situated between every in the indentation to the rear end of fixture 50 of base portion 41 of component 40, fixture 50 is thus assembled in shell 10 and engagement is situated between every structure
On part 40.
Then, as shown in figure 5, injecting fluid resin towards the inside of shell 10 and fixture 50, and it is made to harden (step
ST17).More specifically, the part shown in arrow B from Fig. 6 (E), injects liquid tree via the cast gate 53a of fixture 50
Fat, and the fluid resin is made to harden, it thus can get the proximity sensor 1A of the composition.
Furthermore it instantiates above and is situated between after the installation over the cable 30 of component 40 that will engage and is connected to by cable 30
Probe portion assembly 20 is gone forward, will engagement be situated between every the welding of component 40 over the cable 30 the case where, but can also connect by cable 30
After after being connected on probe portion assembly 20 or probe portion assembly 20 being assembled on shell 10, engagement is situated between and is welded every component 40
Over the cable 30.That is, step ST13 can be implemented between step ST14 and step ST15, alternatively, it is also possible to step ST15 with
Implement between step ST16.
In turn, it instantiates after cable 30 is connected on probe portion assembly 20 and is assembled in by fixture 50 above
Shell 10 and engagement are situated between goes forward every component 40, probe portion assembly 20 is assembled in the situation on shell 10, but can also incite somebody to action
Cable 30 is connected to probe portion assembly 20 and goes forward, and probe portion assembly 20 is assembled on shell 10.That is, step ST15 also may be used
To implement before step ST14.
Fig. 7 (A) and Fig. 7 (B) is respectively in the proximity sensor illustrated in the present embodiment, can be in shell and electricity
The constructed profile for the reasons why interconnecting piece of cable ensures high bonding force, and be fixed with engagement and be situated between every the front of the cable of component
Figure, in addition, Fig. 8 is the enlarged cross-sectional view of region VIII shown in Fig. 7 (A).Then, with reference to described Fig. 7 (A), Fig. 7 (B) and
Fig. 8 illustrates the reasons why can ensure that high bonding force in proximity sensor 1A in the present embodiment.Furthermore in Fig. 7
(A) in, in order to make it easy to understand, the composition of fixture 50 is simplified to describe.
With reference to Fig. 7 (A) and Fig. 7 (B), as described above, in proximity sensor 1A in the present embodiment, to cover electricity
The engagement that the mode of the end of the sheath 33 of cable 30 is arranged is situated between every the slave sheath on component 40, being provided with the enough unfertile land compositions of thickness
The outstanding substantially cylindric protruding portion 42 in place in 33 end, and the inner peripheral surface of the protruding portion 42 and peripheral surface and
The end face of front end side in the axis direction of the protruding portion 42 is covered by the 2nd sealing resin section 60.
Through such composition, first, subtracting in the hardening of the 2nd sealing resin section 60 generated residual stress can be sought
It is few.Its reason is：Compared with the aftermentioned comparative example 1 and comparative example 2 the case where, there are protruding portions 42, correspondingly, the 2nd sealing
The engagement of resin portion 60 is situated between every the amount of resin reduction of the 2nd sealing resin section 60 of the end of 40 side of component.
Therefore, residual stress is low, correspondingly, can maintain engaging force high, as a result can be in the company of shell 10 and cable 30
Socket part ensures high bonding force.
In addition, second, in the expansion and contraction of the 2nd sealing resin section 60 of the variation with environment temperature, it can be ensured that
The tracing ability of protruding portion 42.Its reason is：Compared with the aftermentioned comparative example 1 and comparative example 2 the case where, it is situated between every structure as engagement
The thickness of the protruding portion 42 for the part of part 40 engaged with the 2nd sealing resin section 60 is thin, correspondingly, in the 2nd sealing resin section 60
Expansion and contraction when allow protruding portion 42 to follow and be resiliently deformed.
More specifically, it when generating contraction in the 2nd sealing resin section 60, as shown in arrow C in Fig. 7 (A), is engaging
It is situated between and locally applies big stress every the end at component 40 and the interface of the 2nd sealing resin section 60, but is at this point, shown in the figure
The arrow side D upward projection 42 is followed and is resiliently deformed, therefore the stress being applied on the end is significantly mitigated,
It can inhibit and generate stripping on the surface.
Therefore, it in the expansion and contraction of the 2nd sealing resin section 60, is applied to engagement and is situated between every the sealing tree of component 40 and the 2nd
Stress on the interface in fat portion 60 is reduced, and correspondingly, can maintain engaging force high, as a result can be in the company of shell 10 and cable 30
Socket part ensures high bonding force.
Since this also engages Jie and is selected every component 40 and the material of the 2nd sealing resin section 60 with being improved by using the structure
The leeway selected is related, therefore the proximity sensor 1A by being set as in present embodiment, it is also possible to obtain the various systems in manufacture
The effect being about mitigated.
In addition, as shown in Fig. 7 (A) and Fig. 8, in proximity sensor 1A in the present embodiment, as described above in protrusion
Circumferentially extended groove portion 43 is provided on the peripheral surface in portion 42.Through such composition, it is so-called to can get as described above
Anchoring Effect.
More specifically, as shown in figure 8, when the variation with environment temperature generates receipts in the 2nd sealing resin section 60
When contracting, near the peripheral surface as the 2nd sealing resin section 60 of the contact surface with fixture 50, in figure shown in arrow E
Contraction is generated on direction, is accompanied by this, and is situated between on the interface of component 40 and the 2nd sealing resin section 60 in engagement, it is shown in the figure
The directions arrow F on generate shear stress, but be located on the peripheral surface of protruding portion 42 by the groove portion 43, can inhibit the shearing
Stress reaches the front end 42a of protruding portion 42, as a result can inhibit and generates stripping on the surface.
It as described above, can be in shell 10 and cable 30 by the proximity sensor 1A being set as in present embodiment
Interconnecting piece ensure high bonding force, can significantly inhibit the generation of the breakage such as stripping at the part, as a result can be used as resistance to ring
The proximity sensor that border is had excellent performance.
Furthermore it is 0.3mm or more, 0.5mm or less with reference to Fig. 8, preferably the thickness t1 at the most thin part of protruding portion 42.
More specifically, preferably on the circumferencial direction of protruding portion 42, including thickness t1 is the part below 0.3mm or more, 0.5mm.
Through such composition, the elasticity and rigidity of protruding portion 42 are suitably adjusted, and can more reliably obtain the tracing ability.But
It is that the thickness of the protruding portion 42 is not particularly limited to this.
Additionally, it is preferred that the axis direction length L of protruding portion 42 is set as 0.5mm or more.By the way that axis direction length L is set as
0.5mm or more, and the elasticity and rigidity of protruding portion 42 are suitably adjusted, and can more reliably obtain the tracing ability.But it should
The axis direction length of protruding portion 42 is not particularly limited to this.
In turn, the width W of groove portion 43 is preferably set as 0.5mm or more.By the way that width W is set as 0.5mm or more, and fit
The elasticity and rigidity of locality adjustment protruding portion 42, and can more reliably obtain the tracing ability.But the width of the groove portion 43 is simultaneously
It is not particularly limited in this.
In addition, as described above, in proximity sensor 1A in the present embodiment, the peripheral surface in protruding portion 42 is instantiated
On the case where being provided with extended groove portion 43 in a circumferential direction, but can also will be with the variform jog setting prominent
Go out on any one of peripheral surface and inner peripheral surface in portion 42 or both, it can also will be perforative along the diametric(al) of protruding portion 42
Hole or various notch etc. are arranged on protruding portion 42.Even if in the case that thus configured, it is also possible to obtain described is so-called
Anchoring Effect.
In addition, as described above, in proximity sensor 1A in the present embodiment, it is substantially cylinder to instantiate protruding portion 42
The case where shape, as long as but the protruding portion 42 shape tubular, then can be any shape, such as its shape can be polygonal cylinder
Shape, shape can also be oval tubular.
In addition, as described above, in proximity sensor 1A in the present embodiment, the preferred material of the 2nd sealing resin section 60
Matter is selected from any one of epoxy resin and PUR resins, and engagement is situated between the material every component 40 from PBT resin, PUR resins, Buddhist nun
Dragon be resin and fluorine resin any one in select, material the appointing from polyvinyl chloride resin, PUR resins and fluorine resin of sheath 33
It is selected in one.
In addition, when selecting fluorine resin to be situated between every the material of component 40 as engagement, and equally select fluorine resin as shield
When the material of set 33, it can be ensured that very high oil resistivity.Therefore, it is connect used under a large amount of using the environment of the oil such as cutting oil
In nearly sensor, preferably by the combination of the material.
Herein, it welds usually the case where the difference of the mutual fusing point of component engaged is about 50 DEG C of ranges below
Under, the welding can be easy to carry out.Therefore, when selecting the material, it is necessary to the selection for considering the point to carry out material.
Furthermore it with reference to Fig. 7 (A) and Fig. 7 (B), is connect by that will engage to be situated between to be welded on to be formed by sheath 33 every component 40
It closes to be situated between and must take into consideration the leakproofness at the part every the thickness t2 of the weld part 41a of component 40 to set.Therefore, in base portion 41
It is preferably probably set as 0.3mm or more, 0.5mm or less as the thickness before the welding of the part of weld part 41a.
In addition, as described above, in the present embodiment, illustrating and being fixed on engagement Jie positioned at electricity every the base portion 41 of component 40
Situation on the end of the sheath 33 of the one end of cable 30 is simultaneously illustrated, but is not necessarily required so to constitute, can also
On the position of the end far from sheath 33, it is fixed on sheath 33.That is, as long as engagement is situated between has covering sheath every component
Peripheral surface tubular base portion and one end tubular outstanding towards cable protruding portion, the end of sheath
The end of the position relationship and sheath of portion and base portion and the position relationship of protruding portion can make various changes.
(comparative example 1)
Fig. 9 is the constructed profile of the shell of the proximity sensor of comparative example 1 and the interconnecting piece of cable.Hereinafter, in order to
Proximity sensor 1A in the embodiment is compared, and is said to the proximity sensor 1X of comparative example 1 with reference to the Fig. 9
It is bright.
As shown in figure 9, when being compared with the proximity sensor 1A in the embodiment 1, comparative example 1 close to biography
Sensor 1X is that engagement is situated between every component 40 without protruding portion 42, instead in a manner of covering the end face of sheath 33 and shielding material 32
It is provided with cap.
In thus configured proximity sensor 1X, the engagement of the 2nd sealing resin section 60 is situated between every the end of 40 side of component
The 2nd sealing resin section 60 amount of resin it is more, therefore seek with being unable to fully produced in the hardening of the 2nd sealing resin section 60
Residual stress reduction.
In addition, in thus configured proximity sensor 1X, in the 2nd sealing resin section 60 of the variation with environment temperature
Expansion and contraction when, as in figure as shown in arrow C, engagement be situated between every the interface of component 40 and the 2nd sealing resin section 60
End also locally applies big stress, but engagement Jie will not be resiliently deformed every component 40 in its composition, therefore is applied to
Stress on the end cannot mitigate.
Therefore, it when generating stripping in the end, generates the liquid shown in arrow G in figure and invades path, moisture or oil
The liquid that grades invades path via the liquid and reaches circuit board or electronic component, their joint portion, thus generates close
The failure of sensor 1X.
Therefore, in the proximity sensor 1X of the comparative example 1, when being compared with the embodiment 1A, in shell
10 with the interconnecting piece of cable 30, engaging force is not good enough, inhibits the generation of the breakage such as stripping at the part with being unable to fully, as a result when
In use, can not obtain adequately environment resistant under relatively harsh environment.
(comparative example 2)
Figure 10 is the constructed profile of the shell of the proximity sensor of comparative example 2 and the interconnecting piece of cable.Hereinafter, in order to
Proximity sensor 1A in the embodiment is compared, and is said to the proximity sensor 1Y of comparative example 2 with reference to the Figure 10
It is bright.
As shown in Figure 10, when being compared with the proximity sensor 1A in the embodiment 1, comparative example 2 approaches
Sensor 1Y is that engagement is situated between every component 40 without protruding portion 42, instead to cover the side of the end face of sheath 33 and shielding material 32
Formula be arranged cap 44, and by from the cap 44 it is outstanding in a manner of so that formed inverted cone mesa-shaped protruding portion 45 and winner.
In thus configured proximity sensor 1Y, with environment temperature variation the 2nd sealing resin section 60 it is swollen
When swollen and contraction, as as shown in arrow C, being situated between every the end of component 40 and the interface of the 2nd sealing resin section 60 in engagement in figure
Locally apply big stress, but engage Jie to be resiliently deformed in its composition every component 40, therefore is applied to the end
On stress cannot mitigate.
Therefore, it when generating stripping in the end, generates the liquid shown in arrow G in figure and invades path, moisture or oil
The liquid that grades invades path via the liquid and reaches circuit board or electronic component, their joint portion, thus generates close
The failure of sensor 1Y.
Herein, when the proximity sensor 1X with the comparative example 1 is compared, in the proximity sensor 1Y of comparative example 2
In, engagement Jie is big every component 40 and the bonding area of the 2nd sealing resin section 60, correspondingly, in the hardening of the 2nd sealing resin section 60
When can get the effect of stress dispersion, and there are the protruding portions of inverted cone mesa-shaped 45, and correspondingly, liquid intrusion path also becomes
It is long.Therefore, it in the proximity sensor 1Y of comparative example 2, can get environment resistant higher than the proximity sensor 1X of comparative example 1
Can, but since basic mode of failure is identical, it can be said that thorough solution has not yet been reached.
Therefore, in the proximity sensor 1Y of the comparative example 2, when being compared with the embodiment 1A, in shell
10 with the interconnecting piece of cable 30, engaging force is not good enough, inhibits the generation of the breakage such as stripping at the part with being unable to fully, as a result when
In use, can not obtain adequately environment resistant under relatively harsh environment.
(the 1st variation)
Figure 11 is the major part enlarged cross-sectional view according to the proximity sensor of the 1st variation of the embodiment 1.With
Under, it is illustrated with reference to the proximity sensor 1B of this Figure 11 pairs the 1st variation.
As shown in figure 11, when being compared with the proximity sensor 1A in the embodiment 1, the 1st variation
Proximity sensor 1B is only different on this point following：Engagement is situated between every component 40 in addition to base portion 41 and protruding portion 42, into
And the cap 44 of the end face with covering sheath 33 and shielding material 32.
Even if in the case that thus configured, it is also possible to obtain illustrated in the embodiment 1 in the 2nd sealing resin
2nd sealing resin section 60 of the reduction of generated residual stress and the variation of adjoint environment temperature when the hardening in portion 60
The tracing ability of protruding portion 42 when expansion and contraction, therefore can ensure high bonding force in the interconnecting piece of shell 10 and cable 30.Cause
Even if this can also be used as environment resistant excellent close to biography in the case where being set as the proximity sensor 1B of the 1st variation
Sensor.
(the 2nd variation)
Figure 12 is the major part enlarged cross-sectional view according to the proximity sensor of the 2nd variation of the embodiment 1.With
Under, it is illustrated with reference to the proximity sensor 1C of this Figure 12 pairs the 2nd variation.
As shown in figure 12, when being compared with the proximity sensor 1A in the embodiment 1, the 2nd variation
Proximity sensor 1C is only different on this point following：It is situated between on the protruding portion 42 every component 40 in engagement and is not provided with groove portion 43.
Even if in the case that thus configured, it is also possible to obtain illustrated in the embodiment 1 in the 2nd sealing resin
2nd sealing resin section 60 of the reduction of generated residual stress and the variation of adjoint environment temperature when the hardening in portion 60
The tracing ability of protruding portion 42 when expansion and contraction, therefore can ensure high bonding force in the interconnecting piece of shell 10 and cable 30.Cause
Even if this can also be used as environment resistant excellent close to biography in the case where being set as the proximity sensor 1C of the 2nd variation
Sensor.
(the 3rd variation)
Figure 13 is the major part enlarged cross-sectional view according to the proximity sensor of the 3rd variation of the embodiment 1.With
Under, it is illustrated with reference to the proximity sensor 1D of this Figure 13 pairs the 3rd variation.
As shown in figure 13, when being compared with the proximity sensor 1C of the 2nd variation, the 3rd variation connects
Nearly sensor 1D is only different on this point following：Engagement Jie is every the sheath that the base portion 41 of component 40 hardly includes from cable 30
33 end part outstanding, and continuously to prolong from the base portion 41 of part corresponding with the part where the end face of sheath 33
Long mode is provided with protruding portion 42.
Even if in the case that thus configured, with the case where 3 variation it is equally possible that obtaining the implementation
The reduction of generated residual stress in the hardening of the 2nd sealing resin section 60 illustrated in mode 1 and adjoint environment temperature
The tracing ability of protruding portion 42 when the expansion and contraction of the 2nd sealing resin section 60 of the variation of degree, therefore can be in shell 10 and electricity
The interconnecting piece of cable 30 ensures high bonding force.Therefore, even if in the case where being set as the proximity sensor 1D of the 3rd variation,
It can be as environment resistant excellent proximity sensor.
(the 4th variation)
Figure 14 is the major part enlarged cross-sectional view according to the proximity sensor of the 4th variation of the embodiment 1.With
Under, it is illustrated with reference to the proximity sensor 1E of this Figure 14 pairs the 4th variation.
As shown in figure 14, when being compared with the proximity sensor 1D of the 3rd variation, the 4th variation connects
Nearly sensor 1E has on this point of shape in the same size not every the base portion 41 of component 40 in engagement Jie with protruding portion 42
Together, and then be accompanied by this, the part corresponding to protruding portion 42 fixture 50 internal diameter than the part corresponding to base portion 41 folder
On this point internal diameter of tool 50 is larger constituted is different.
Even if in the case that thus configured, with the case where 3 variation it is equally possible that obtaining the implementation
The reduction of generated residual stress in the hardening of the 2nd sealing resin section 60 illustrated in mode 1 and adjoint environment temperature
The tracing ability of protruding portion 42 when the expansion and contraction of the 2nd sealing resin section 60 of the variation of degree, therefore can be in shell 10 and electricity
The interconnecting piece of cable 30 ensures high bonding force.Therefore, even if in the case where being set as the proximity sensor 1E of the 4th variation,
It can be as environment resistant excellent proximity sensor.
(embodiment 2)
Figure 15 and Figure 16 (A) and Figure 16 (B) is the proximity sensor illustrated in embodiments of the present invention 2 respectively
The flow chart and assembling figure of manufacturing method.Hereinafter, 5 and Figure 16 (A) and Figure 16 (B) is to close in present embodiment referring to Fig.1
The manufacturing method of sensor illustrates.
Furthermore as be described hereinafter, the manufacturing method of the proximity sensor in present embodiment and connecing in the embodiment 1
The manufacturing method of nearly sensor lA is slightly different, therefore is accompanied by this, and shape is also slightly different, and specific form is in Figure 16
(A) with it is substantially clear in the assembling figure of Figure 16 (B), therefore omit its diagram herein.
First, as shown in figure 15, it makes engagement to be situated between every component 40 (step ST21), secondly, engagement is situated between and is pacified every component 40
Over the cable 30 (step ST22), then, engagement is situated between every the welding of component 40 over the cable 30 (step ST23) for dress, then, will
Cable 30 is connected on probe portion assembly 20 (step ST24), then, probe portion assembly 20 is assembled on shell 10 (step
Rapid ST25).Furthermore the details of the step ST21~step ST25 respectively with step ST11 shown in described Fig. 5~
Step ST15 is identical, therefore does not repeat its explanation herein.
Then, as shown in Figure 15 and Figure 16 (A), fixture 50 is assembled on shell 10 (step ST26).More specifically,
It will be in the indentation to the opening portion of the rear end side of shell 10 of fixed part 51 of fixture 50.
Then, as shown in Figure 15 and Figure 16 (B), engagement is situated between and is assembled on fixture 50 (step ST27) every component 40.More
Specifically, engagement is situated between every in the indentation to the rear end of fixture 50 of base portion 41 of component 40, thus fixture 50 is assembled in and is connect
It closes and is situated between every on component 40.
Then, as shown in figure 15, fluid resin is injected towards the inside of shell 10 and fixture 50, and it is made to harden (step
ST28).Furthermore the details of step ST28 is identical as step ST17 shown in described Fig. 5, therefore does not repeat it herein
Explanation.In the above manner, can get in the present embodiment according to the composition of the proximity sensor 1A in the embodiment 1
Proximity sensor.
Furthermore it instantiates above and is situated between after the installation over the cable 30 of component 40 that will engage and is connected to by cable 30
Probe portion assembly 20 is gone forward, will engagement be situated between every the welding of component 40 over the cable 30 the case where, but can also be from by cable 30
Engagement is situated between by any one time point after being connected on probe portion assembly 20 until completing proximity sensor welds every component 40
It connects over the cable 30.As long as that is, after step ST24, then step ST23 can be after any one of step ST24~step ST28
Implement.
In turn, it instantiates after cable 30 is connected on probe portion assembly 20 and is assembled in by fixture 50 above
Shell 10 is gone forward, and probe portion assembly 20 is assembled in the situation on shell 10, but can also cable 30 be connected to detection
Portion's assembly 20 is gone forward, and probe portion assembly 20 is assembled on shell 10.That is, step ST25 can also be real before step ST24
It applies.
Even if in the case of the proximity sensor in being set as present embodiment discussed above, it is also possible to obtain described
The reduction of generated residual stress in the hardening of the 2nd sealing resin section 60 illustrated in embodiment 1 and adjoint ring
The tracing ability of protruding portion 42 when the expansion and contraction of the 2nd sealing resin section 60 of the variation of border temperature, therefore can be in shell 10
Ensure high bonding force with the interconnecting piece of cable 30.Therefore, even if in the case of the proximity sensor in being set as present embodiment,
It can also be used as environment resistant excellent proximity sensor.
In the embodiments of the present invention 1 and embodiment 2 and its variation, illustration will be engaged by welding
Jie is fixed on the situation on cable every component and is illustrated, but is not necessarily required so to constitute.For example, it is also possible to by making liquid
Shape resin is situated between engagement is arranged every component in the end insert molding of the sheath of cable.
In addition, in the embodiments of the present invention 1 and embodiment 2 and its variation, illustrates use and have screen
It covers the case where composite cable of material is as the cable pulled out from shell and is illustrated, but as cable, using each
Kind of cable, for example, can also apply the present invention to the composite cable not comprising the shielding material or only include conductor wire with
Coat the cable (so-called conducting wire etc.) of its sheath.
In addition, in the embodiments of the present invention 1 and embodiment 2 and its variation, illustrate by shell and folder
The case where space for having the inside of defined is filled by the 1st sealing resin section with the 2nd sealing resin section is simultaneously illustrated, but not
It necessarily so constitutes, can also only be filled by single sealing resin section.
In addition, in the embodiments of the present invention 1 and embodiment 2 and its variation, illustrates engagement and be situated between every structure
The case where part includes single part is simultaneously illustrated, but it can also include multiple parts, alternatively, it is also possible to be two colors at
Type product.
In addition, in the embodiments of the present invention 1 and embodiment 2 and its variation, illustration answers the present invention
The case where for proximity sensor, is simultaneously illustrated, but the present invention can certainly be applied to the sensing other than proximity sensor
Various e-machines other than device or sensor.
In this way, the embodiment and its variation of this announcement are to illustrate in all respects, there is no restriction.The present invention
Technical scope delimited by claims, in addition, include and meaning and range that the record of claim is impartial in it is all
Change.
Claims (9)
1. a kind of e-machine comprising：
Shell is provided with opening portion；
Electronic component, receiving is in the housing；
Cable, by inserting in the opening portion, one end is electrically connected with the electronic component, and the other end is drawn towards the outside
Go out；
The engagement of resin is situated between every component, and installation is on the cables；
The fixture of tubular is entrenched in the opening portion, and the chimeric engagement is situated between every component, thus keeps the cable；
And
Sealing resin section is filled by the space of the inside of the shell and the fixture defined；
The cable has the sheath of the resin of the core wire comprising conductor wire and the covering core wire,
In the part of the one end of the cable, the core wire is not covered by the sheath and is exposed,
The engagement be situated between the tubular that there is the peripheral surface for covering the sheath every component base portion and towards described the one of the cable
The protruding portion of end side tubular outstanding, and
The end face of the inner peripheral surface and peripheral surface of the protruding portion and the front end side in the axis direction of the protruding portion is by described
Sealing resin section covers.
2. e-machine according to claim 1, wherein when the extending direction observation along the cable, the protrusion
The shape in portion is smaller than the shape of the base portion.
3. e-machine according to claim 1 or 2, wherein by the way that the base portion to be welded on the sheath, and incite somebody to action
The engagement is situated between to be fixed on the cables every component.
4. e-machine according to claim 3, wherein the base portion include the weld part being welded on the sheath and
The unwelded non-solder portion on the sheath, and
The thickness of the protruding portion is thinner than the thickness in the non-solder portion.
5. e-machine according to claim 1 or 2, wherein being situated between in such a way that component covers the sheath by the engagement
Insert molding is carried out, thus the engagement is situated between and is fixed on the cables every component.
6. e-machine according to any one of claim 1 to 5, wherein circumference of the protruding portion in the protruding portion
On direction, including thickness is the part below 0.3mm or more, 0.5mm.
7. e-machine according to any one of claim 1 to 6, wherein the length in the axis direction of the protruding portion is
0.5mm or more.
8. e-machine according to any one of claim 1 to 7, wherein being provided on the peripheral surface of the protruding portion
Circumferentially extended groove portion.
9. e-machine according to any one of claim 1 to 8, wherein the sealing resin section include epoxy resin and
Any one of polyurethane resin,
The engagement be situated between every component include polybutylene terephthalate resin, polyurethane resin, nylon system resin and
Any one of fluorine resin,
The sheath includes any one of Corvic, polyurethane resin and fluorine resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310097.XA CN108811408A (en) | 2017-05-04 | 2017-05-04 | E-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310097.XA CN108811408A (en) | 2017-05-04 | 2017-05-04 | E-machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108811408A true CN108811408A (en) | 2018-11-13 |
Family
ID=64054561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710310097.XA Pending CN108811408A (en) | 2017-05-04 | 2017-05-04 | E-machine |
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| CN (1) | CN108811408A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631748A (en) * | 2019-08-22 | 2019-12-31 | 南安市方建机械科技有限公司 | Prefabricated novel cable accessory interface pressure measurer penetrating into dead angle |
| CN114174134A (en) * | 2018-07-10 | 2022-03-11 | 罗伯特·博世有限公司 | Sensor assembly and method for engaging such a sensor assembly |
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| JP2009043429A (en) * | 2007-08-06 | 2009-02-26 | Yamatake Corp | Cable joining method and electronic equipment joined with cables |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114174134A (en) * | 2018-07-10 | 2022-03-11 | 罗伯特·博世有限公司 | Sensor assembly and method for engaging such a sensor assembly |
| CN114174134B (en) * | 2018-07-10 | 2024-03-08 | 罗伯特·博世有限公司 | Sensor assembly and method for joining such a sensor assembly |
| CN110631748A (en) * | 2019-08-22 | 2019-12-31 | 南安市方建机械科技有限公司 | Prefabricated novel cable accessory interface pressure measurer penetrating into dead angle |
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Application publication date: 20181113 |