CN108005898B - Electrodynamic pump - Google Patents
Electrodynamic pump Download PDFInfo
- Publication number
- CN108005898B CN108005898B CN201710999683.XA CN201710999683A CN108005898B CN 108005898 B CN108005898 B CN 108005898B CN 201710999683 A CN201710999683 A CN 201710999683A CN 108005898 B CN108005898 B CN 108005898B
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- China
- Prior art keywords
- circuit substrate
- extension
- cover
- terminal
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/515—Terminal blocks providing connections to wires or cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/803—Electric connectors or cables; Fittings therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The present invention provides a kind of assembling for being easy to carry out to circuit substrate and compact electrodynamic pump.Above-mentioned electrodynamic pump has motor part 1, shell 10, pumping section 2, circuit substrate 16, terminal T and cover 15, above-mentioned motor part 1 has drive shaft 11, above-mentioned shell 10 accommodates motor part 1, the side of above-mentioned pumping section 2 and drive shaft 11 links, foregoing circuit substrate 16 is adjacent in the other side of drive shaft 11 and shell 10 and configures, and drive motor portion 1, above-mentioned terminal T and circuit substrate 16 are electrically connected, above-mentioned cover 15 has the connection terminal C being electrically connected with terminal T, and covers circuit substrate 16 and terminal T；Terminal T has base end part Ta, the first extension Tb and the second extension Tc, above-mentioned base end part Ta is fixed in shell 10, above-mentioned first extension Tb extends from base end part Ta to circuit substrate 16, and it is connect with circuit substrate 16, above-mentioned second extension Tc extends on direction identical with the extending direction of the first extension Tb from base end part Ta, and engaging has connection terminal C.
Description
Technical field
It is rotated the present invention relates to a kind of motor part having with drive shaft and by the driving force of motor part
Pumping section electrodynamic pump.
Background technique
In the past, it is known that one kind is also built-in with the electricity of the circuit substrate in drive motor portion in addition to motor part and pumping section
Dynamic pump (for example, referring to Patent Documents 1 to 2).
The electrodynamic pump of patent document 1 has: accommodating shell (being in the literature motor casing) and the covering of motor part
By the cover (being in the literature cover) of circuit substrate of the horizontal arrangement above shell.In addition, being electrically connected with circuit substrate
Connection terminal (being in the literature bolt) electricity is extended to curved state from the connector connection part for being opened on shell side
Base board, and it is inserted into the through-hole of circuit substrate.
The electrodynamic pump of patent document 2 has the shell of receiving motor part, which is used as covering the lid of circuit substrate
Component.Specifically, circuit substrate is by horizontal arrangement in the side of motor part, and connector connection part is in the top of circuit substrate
It is formed integrally with the enclosure.In addition, linearly being extended to the connection terminal of circuit substrate electrical connection from connector connection part
Circuit substrate.
Patent document
Patent document 1: Japanese Patent Laid-Open 2013-247761 bulletin
Patent document 2: Japanese Patent Laid-Open 2015-163029 bulletin
Summary of the invention
As shown in the electrodynamic pump of patent document 1, connect connection terminal from the connector for the side for being configured in shell
In the case that portion extends to the circuit substrate being configured in above shell, need that connection terminal is made to be bent and be inserted into circuit substrate
Through-hole.Therefore, because the mismachining tolerance of connection terminal, easily with respect to through-hole positional shift, and circuit base occur for connection terminal
The posture of plate is unstable, thus is not easy to be assembled.
On the other hand, as shown in the electrodynamic pump of patent document 2, if connector connection part is configured at the upper of circuit substrate
Linear connection terminal can be then inserted into the through-hole of circuit substrate by side, therefore connection terminal is not easy opposing through-bores and position occurs
Set offset.However, the outer diameter of electrodynamic pump is easy to increase due to configuring motor part and connector connection part side by side, from
And there are rooms for improvement.
Accordingly, it is desirable to a kind of assembling for being easy to carry out to circuit substrate and compact electrodynamic pump.
The feature structure of electrodynamic pump is have: motor part, shell, pumping section, circuit substrate, terminal and cover,
Above-mentioned motor part is with drive shaft, the above-mentioned motor part of above-mentioned shell receiving, above-mentioned pumping section and using above-mentioned motor part as base
The side connection of quasi- above-mentioned drive shaft, and being rotated by the driving force of above-mentioned motor part, foregoing circuit substrate with
The other side of above-mentioned drive shaft on the basis of above-mentioned motor part is adjacent with above-mentioned shell and configures, and drives above-mentioned motor
Portion, above-mentioned terminal and foregoing circuit substrate are electrically connected, and above-mentioned cover has the connection terminal being electrically connected with above-mentioned terminal,
And foregoing circuit substrate and above-mentioned terminal are covered, above-mentioned terminal has base end part, the first extension and the second extension, above-mentioned base
End is fixed in above-mentioned shell, and above-mentioned first extension extends from the base end part to above-mentioned circuit substrate, and and foregoing circuit
Substrate connection, above-mentioned second extension prolong on direction identical with the extending direction of above-mentioned first extension from above-mentioned base end part
It stretches, and engaging has above-mentioned connection terminal.
In this configuration, the drive shaft of the shell and circuit substrate of motor part on the basis of by motor part will be accommodated
The adjacent configuration in the other side, thus with by circuit substrate horizontal arrangement in the side of motor part the case where compared with, electricity can be reduced
The outer diameter of dynamic pump.
In addition, in this configuration, other than the connection terminal of the cover of covering circuit substrate, setting terminal, and
In the state that the base end part of the terminal is fixed on shell, the first extension connecting with circuit substrate and engaging is made to have connecting pin
Second extension of son extends from base end part along the direction towards circuit substrate respectively.As a result, the first extension can be made
Be formed as linear and connect with circuit substrate, therefore the first extension is not easy opposing circuit substrate and positional shift occurs.
Moreover, connection terminal engages with the second extension, thus is easy to be pacified if cover is installed on shell
Dress.At this point, the base end part that the clamping force for acting on the connection terminal of the second extension is fixed in shell stops, because without passing
It is handed to the connecting portion of the first extension and circuit substrate.Therefore, the first extension will not be relatively electric due to the installation of cover
Positional shift occurs for base board.This makes it possible to provide a kind of assembling for being easy to carry out to circuit substrate and compact electronic
Pump.
Another feature structure is, the position of above-mentioned connection terminal is engaged in above-mentioned second extension compared to foregoing circuit
Substrate is prominent to above-mentioned cover side.
As shown in this structure, if the position for the terminal that makes to be connected together in the second extension is more prominent than circuit substrate, when
When cover is installed on shell, can visual engagement site well, and improve cover for the installation operability of shell.
Further, since keeping engagement site prominent, therefore the parcel plating processing of engagement site becomes easy progress, for example, can be only right
Engagement site implements contact resistance value and changes over time lesser electroplating processes to improve durability.
Another feature structure is, the position of above-mentioned connection terminal is engaged in above-mentioned second extension compared to foregoing circuit
Substrate is projected to close to the position of above-mentioned cover.
As shown in this structure, leaned on if the position for the terminal that makes to be connected together in the second extension is projected to compared to circuit substrate
The position of nearly above-mentioned cover, then when cover is installed on shell, can visual engagement site well, and improve cover
Installation operability of the part for shell.Further, since keeping engagement site prominent, therefore the parcel plating processing of engagement site becomes
It is easy to carry out, for example, only contact resistance value, which can be implemented, to engagement site changes over time lesser electroplating processes to improve
Durability.
Another feature structure is, above-mentioned second extension by the first part extended from above-mentioned base end part and from
Above-mentioned first part extends in two strand and is made up of the second part that above-mentioned connection terminal is clamped in front end, and above-mentioned the
The width at the position adjacent with above-mentioned second part is less than the width of above-mentioned second part in a part.
As shown in this structure, if the front end of the second part of the second extension is made to be formed as clamping the two of connection terminal
Strand, as long as the space for the front end that the connection terminal insertion of cover is formed in second part just then will be completed connection terminal
With the electrical connection of terminal, therefore will further improve installation operability.In addition, in this configuration, making to extend from base end part
First part in the position adjacent with second part be formed as width and be narrower than second part.Therefore, it is installed on when by cover
When shell, even if from the front end of second part positional shift slightly occurs for connection terminal, first part with second part neighbour
The position connect is also easy to happen elastic displacement, so as to be well maintained contact of the connection terminal with terminal.
Another feature structure is that above-mentioned shell, which has from bottom, protrudes the inner peripheral surface formed and with above-mentioned cover
The multiple protruding portion of abutting, protrusion is formed at least two protrusion, above-mentioned at least two on the above-mentioned inner peripheral surface of above-mentioned cover
Protrusion is connected to the side between 2 adjacent above-mentioned protruding portions.
It in this configuration, can be by making 2 protrusions be connected to the side of 2 protruding portions when cover is installed on shell
Face is positioned.As a result, connection terminal can be reliably inserted to the engagement site of the second extension, therefore can
Prevent the poor contact of connection terminal and terminal.
Another feature structure is that above-mentioned cover has receiving portion, extends in above-mentioned connection terminal with above-mentioned second
The end of the opposite side of the end of portion's engaging is accommodated in above-mentioned receiving portion with the state exposed, and is fixed in above-mentioned cover
In the state of equipment cover, only above-mentioned receiving portion is prominent to the outside of above-mentioned equipment cover.
According to this structure, receiving portion is set on the cover of covering circuit substrate, in connection terminal with the second extension
The end of the opposite side of the end of engaging is accommodated in above-mentioned receiving portion with the state exposed, and only the receiving portion to equipment cover
It is external prominent.That is, in the state of making shell be accommodated in the inside using the equipment cover of electrodynamic pump, only making can be with
Expose the receiving portion of the connections such as the connector of the peripheral equipment outside equipment cover.As a result, being easy progress and connector
Deng connection, even if electrodynamic pump will not form obstruction in the case where peripheral equipment is intensive.
Detailed description of the invention
Fig. 1 is the sectional view of oil pump.
Fig. 2 is the exploded perspective view of oil pump.
Fig. 3 is the side view of terminal.
Fig. 4 is the side view of terminal involved in another embodiment 1.
Fig. 5 is the side view of terminal involved in another embodiment 2.
Specific embodiment
Hereinafter, being illustrated based on embodiment of the attached drawing to electrodynamic pump according to the present invention.In the present embodiment,
As an example of electrodynamic pump, oil pump 100 used in vehicle is illustrated.But the present invention is not limited to below
Embodiment can carry out various modifications without departing from the scope of the subject in the invention.
[basic structure]
As shown in Figure 1, oil pump 100 has motor part 1 and pumping section 2, above-mentioned motor part 1 has drive shaft 11, above-mentioned
Pumping section 2 and the side of the drive shaft 11 on the basis of motor part 1 link, and are rotated by the driving force of motor part 1.
In addition, outside the pump of the motor casing 10 (example of shell) of the resin of connection receiving motor part 1, receiving pumping section 2
The cover 15 of shell 20 and resin and form oil pump 100.
The structure that the oil pump 100 is had by the vehicle of mixed motivity type or the vehicle of progress idle stop, even if
Under the situation of engine stop also can to stepless transmission (CVT) etc. speed change gear for oil supply.
Motor part 1 has drive shaft 11, motor rotor 12 and stator 13, and above-mentioned drive shaft 11 is rotated freely twelve Earthly Branches
It holds in driving axle center X, above-mentioned motor rotor 12 is fixed in the end 11a of the drive shaft 11, and said stator 13 is configured in
The region of the motor rotor 12 is surrounded, and is supported by motor casing 10.Motor rotor 12 has back yoke (back yoke)
With multiple permanent magnets, and constitute stator 13 stator core on be wound with coil 14.The motor part 1 is by three-phase brushless electricity
Motivation is constituted, and above-mentioned three-phase brushless motor generates rotating excitation field in motor rotor 12 and being powered to stator 13.With
In the state that the bus B of 3 phases of the end electrical connection of coil 14 linearly exposes, stator 13 is in motor casing 10
On be insert-molded.Make it should be noted that motor part 1 can also be played and rotating motor rotor 12 as generator
With.
Cover 15 is installed on motor casing 10, and is being formed between the cover 15 and motor casing 10
Accommodating space 10S1 contain the circuit substrate 16 of control (driving) motor part 1.It is equipped with down on the circuit substrate 16
The electronic components such as circuitry phase, coil, capacitor (do not illustrate).In the present embodiment, in the opposite side of pumping section 2 (with motor
The other side of drive shaft 11 on the basis of portion 1), circuit substrate 16 is adjacent along drive shaft 11 and motor casing 10 and configures.
Therefore, compared with by 16 horizontal arrangement of circuit substrate in the side of motor part 1 the case where, the outer diameter of oil pump 100 can be reduced.
As shown in Fig. 2, being connected to the multiple (in present embodiment of the inner peripheral surface 15S of cover 15 in motor casing 10
In be 9) protruding portion 17 along the bottom of accommodating space 10S1 peripheral side protrusion formed.If cover 15 is installed on electricity
Motivation shell 10, then multiple protruding portion 17 is closely connected to the inner peripheral surface 15S of cover 15, so that cover 15 is fixed on
Motor casing 10.In addition, being formed in the bottom of accommodating space 10S1 protrusion in the position than protruding portion 17 closer to inside
The bearing part 18 of circuit substrate 16 is supported, and circuit substrate 16 is fixed on the bearing part 18 by bolt (not shown).
2 abutted with the side of adjacent 2 protruding portions 17a, 17b are formed in the inner peripheral surface 15S protrusion of cover 15
A protrusion 15c, 15d.If cover 15 is installed on motor casing 10,2 protrusions 15c, 15d and 2 protruding portions
The side of 17a, 17b abut to carry out positioning in the circumferential direction.
In addition, the oil pump 100 of present embodiment has multiple (being in the present embodiment 4) and circuit substrate 16 is electrical
The metal terminal T of connection.The base end part Ta of terminal T is insert-molded in motor casing 10, and terminal T and circuit substrate
16 are contained in accommodating space 10S1 in such a way that partes tegmentalis part 15 covers.It should be noted that the detailed content about terminal T is later
It illustrates.
Multiple connection terminal C are insert-molded in cover 15 (to use in the present embodiment for electric signal for 2,2 are
Connect power supply to use, amount to 4), one end Ca of connection terminal C engages and is electrically connected with terminal T.In addition, in cover 15
Top surface (being in the accompanying drawings upper surface) be formed with connector insertion section 15a (example of receiving portion), for from battery etc.
The connector (not illustrating) supplied electric power is inserted into above-mentioned connector insertion section 15a, also, the other end Cb of connection terminal C exists
Expose the inside of connector insertion section 15a.It, can be via connection terminal by inserting the connector into connector insertion section 15a
C, terminal T and circuit substrate 16 supply power to motor part 1.
As shown in Figure 1, the outer peripheral surface in cover 15 is formed with and is equipped with the seal groove 15b of seal member S.Cover 15
Formation have the position of seal groove 15b with flush-mounted in transmission case 101 (example of equipment cover) fixed part 102 state
It is fixed.The part other than the 15a of connector insertion section of oil pump 100 is sealed in the inside of transmission case 101 as a result,.
That is, only connector insertion section 15a is prominent to the outside of transmission case 101, therefore it is easy installs connector, even if outside
Oil pump 100 will not form obstruction in the case that peripheral equipment is intensive.It should be noted that only connector insertion section 15a is to transmission case
101 external protrusion refers to that a part of the whole region and cover 15 of motor casing 10 and pump case 20 is configured in
The inside of transmission case 101, and connector insertion section 15a can carry out visual confirmation from the external of transmission case 101.
Pumping section 2 passes through the internal rotor 21 and outer rotor 22 having as pump rotor, to be formed as inside engaged gear type.
Internal rotor 21 has multiple external tooths, and connection chimeric with the middle part of drive shaft 11, will drive and drive centered on the X of axle center
Dynamic rotation.Outer rotor 22 has multiple internal tooths with the outer tooth engagement of internal rotor 21, and is accommodated in the pump space of pump case 20
24, it will be rotated centered on the eccentric axle center of parallel position with driving axle center X.
Pump case 20 in the state of making the first shell 20A, second housing 20B and plate 20C is overlapped by utilizing bolt 23
Linked and formed, is formed with the pump space 24 of receiving internal rotor 21 and outer rotor 22 in above-mentioned first shell 20A, above-mentioned the
Two shell 20B and the first shell 20A link, and the outer surface side of above-mentioned plate 20C and second housing 20B link.
Especially, the motor space of receiving motor rotor 12 is formed in 20 side of pump case of motor casing 10
10S2, and formed determined by the way that a part of the first shell 20A is embedded in the motor space 10S2 motor casing 10 with
The structure of the relative position of pump case 20.
Pump space 24 is formed in the first shell 20A, also, is also formed with the first poroid insert hole portion 25 of perforation, with drive
The end 11a of moving axis 11 connected position passes through the first poroid insert hole portion 25 of above-mentioned perforation.It is formed and is made in second housing 20B
Second for bearing hole portion inserts hole portion 26, also, be also formed with the attraction flow path 27 that is connected to of suction side for pumping space 24 and
The ejection flow path 28 being connected to the high-pressure side in pump space 24.In plate 20C, penetrated through being formed with the position for attracting flow path 27 to be connected to
Poroid attraction interface 27P, also, formed in the position being connected to ejection flow path 28 and penetrate through poroid ejection interface 28P.
[structure of terminal]
Based on Fig. 2~Fig. 3, the specific structure of terminal T is illustrated.
As shown in figure 3, terminal T has base end part Ta, the first extension Tb and the second extension Tc, above-mentioned base end part Ta's
A part is panelized forming and is fixed on motor casing 10, and above-mentioned first extension Tb prolongs from base end part Ta to circuit substrate 16
It stretches, above-mentioned second extension Tc is on direction identical with the extending direction of the first extension Tb (direction of drive shaft 11) from base
End Ta extends.That is, the first extension Tb and the second extension Tc are separated from each other and extend from base end part Ta.These base end parts
Ta, the first extension Tb and the second extension Tc are formed and carrying out punch process to single steel plate.That is, by
In not carrying out bending machining to steel plate, thus the higher structure of dimensional accuracy is formd.
Base end part Ta is being panelized the part for forming in motor casing 10 with multiple perforation hole portions 30, and these are penetrated through
The center of hole portion 30 is configured on same plane.Resin is whole throughout base end part Ta via perforation hole portion 30 as a result, therefore
Terminal T is firmly fixed at motor casing 10.In addition, when being insert-molded the starting point of the thermal contraction of resin be set in it is identical
Highly, the size changing amount along with the terminal T of the thermal contraction is equal, therefore terminal T is fixed with not inclined upright state
In motor casing 10.
As depicted in figs. 1 and 2, the first extension Tb is formed as linearly, and the through-hole of circuit substrate 16 is inserted into front end
16a simultaneously carries out solder.In addition, the front end of above-mentioned linear bus B is inserted into the through-hole 16b of circuit substrate 16 and carries out
Solder.In this way, be formed as through-hole 16a, 16b that linear the first extension Tb and bus B is inserted into circuit substrate 16, because
Positional shift is less likely to occur for this.
As shown in figure 3, the second extension Tc extends by the first part 31 that extends from base end part Ta and from first part 31
It is constituted for the second part 32 of two strand.The width that the position adjacent with second part 32 is formed in the first part 31 is less than
The narrow width part 31a of the width (distances of the two sides of second part 32) of second part 32.In addition, narrow in first part 31
Width between portion 31a and base end part Ta is formed as equal with the width of second part 32.Being formed in second part 32 makes 2
The bulge 32a of front end bulging inwardly, one end Ca of connection terminal C are held between these bulges 32a and engage.
It should be noted that narrow width part 31a can also be omitted and the overall width of first part 31 is made to be formed as the width phase with second part 32
Deng the of different size of the width of second part 31 and second part 32 can also be made.
These bulges 32a is more prominent to 15 side of cover compared to circuit substrate 16.That is, bulge 32a is formed
It is more prominent for the front end than first part 31.Therefore, it is easier to carry out following electroplating processes: for example, bulge 32a's
The variation that the contact resistance value as caused by time change is implemented in region is lesser gold-plated, implements solder in region in addition to this
Excellent tin plating of property.
In above-mentioned present embodiment, other than the connection terminal C of the cover 15 of covering circuit substrate 16, terminal is set
T, and in the state that the base end part Ta of terminal T is fixed on motor casing 10, make connect with circuit substrate 16 first
Extension Tb and engaging have the second extension Tc of connection terminal C to prolong respectively from the edge base end part Ta towards the direction of circuit substrate 16
It stretches.As a result, as shown in the embodiment, the first extension Tb can be made to be formed as linear and connect with circuit substrate 16
It connects, therefore the first extension Tb is not easy opposing circuit substrate 16 and positional shift occurs.
In addition, if cover 15 is installed on motor casing 10, then connection terminal C engages with the second extension Tc,
Therefore it is easy to be installed.At this point, the clamping force for acting on the connection terminal C of the second extension Tc is fixed in motor casing
10 base end part Ta stops, because of the connecting portion without being transferred to the first extension Tb and circuit substrate 16.Therefore, it will not produce
The positional shift of circuit substrate 16 caused by the raw installation because of cover 15, to stablize the electricity connecting with the first extension Tb
The posture of base board 16.
As shown in the embodiment, if the bulge 32a for the terminal C that makes to be connected together in the second extension Tc is than circuit base
Plate 16 is prominent, then when cover 15 is installed on motor casing 10, can visual bulge 32a well, and improve lid
Installation operability of the component 15 for motor casing 10.
As shown in the embodiment, if the front end for the second part 32 for constituting the second extension Tc is made to be formed as clamping
Two strand of connection terminal C, as long as the connection terminal C insertion of cover 15 to be then formed in the swollen of the front end of second part 32
The electrical connection of connection terminal C and terminal T are just completed between portion 32a out, therefore further increases installation operability.In addition,
The position adjacent with second part 32 is provided with narrow width part 31a from the first part 31 that base end part Ta extends, therefore works as and will cover
When component 15 is installed on motor casing 10, even if between the bulge 32a of second part 32 position slightly occurs for connection terminal C
Offset is set, elasticity displacement will also occur for narrow width part 31a, so as to be well maintained the contact of connection terminal C with terminal T.
In the present embodiment, when cover 15 is installed on motor casing 10, by making 2 protrusions 15c, 15d
The side of 2 protruding portions 17a, 17b are connected to be positioned, wherein above-mentioned 2 protrusions 15c, 15d are formed in cover 15
Inner peripheral surface 15S, above-mentioned 2 protruding portions 17a, 17b be formed in the bottom of motor casing 10.As a result, can will connect
Terminal C is reliably inserted to the bulge 32a of the second extension Tc, therefore can prevent connection terminal C and the contact of terminal T not
It is good.
Hereinafter, being illustrated to other embodiments.Basic structure is identical as above embodiment, therefore only to different
Structure is illustrated using attached drawing.It should be noted that for easy understanding attached drawing, uses name of parts identical with above embodiment
Claim and symbol is illustrated.
[another embodiment 1]
As shown in figure 4, the second part 34 of the second extension Tc of terminal T is configured to form recess portion 34a in front end
It is rectangular-shaped.In addition, being formed with bulging outward in one end Ca of connection terminal C is semicircular arc-shaped circular-arc part 33.As general
When cover 15 is installed on motor casing 10, circular-arc part 33 is sticked in the inner surface of recess portion 34a, to realize connection terminal
The electrical connection of C and terminal T.In the case, function and effect identical with above embodiment are also functioned to.
[another embodiment 2]
As shown in figure 5, terminal T is made of the second extension 35 for the narrow width part 31a being omitted in above embodiment.It should
Second extension 35 is formed with the elastic piece 35a of elastically deformable in front end.When cover 15 is installed on motor casing
When 10, one end Ca of connection terminal C is sticked in the inner surface of elastic piece 35a, to realize that connection terminal C's and terminal T is electrical
Connection.In the present embodiment of narrow width part 31a for omitting above embodiment, even if cover 15 is installed on motor
Positional shift slightly occurs for the engagement site of connection terminal C relative termination T when shell 10, and elastic change can also occur for elastic piece 35a
Position, so as to be well maintained the contact of connection terminal C with terminal T.
[other embodiment]
(1) shape of the terminal T in above embodiment can also be appropriately combined.For example, can also be in another embodiment 2
Narrow width part 31a is set, the narrow width part 31a of another embodiment 1 can also be omitted.
(2) clamping method of the terminal T in above embodiment and connection terminal C can also be the one end for making connection terminal C
Ca is connected to the mode for not being separated into the side of plate part of two strand, to replace the second part by the second extension Tc
Clamp the mode of connection terminal C in 32 front end.In addition, the front end of the second part 32 of the second extension Tc can also be made than electricity
Base board 16 is retracted to 10 side of motor casing.
(3) the terminal T in above embodiment, connection terminal C, bus B number can also be according to desired electrical connection
Mode suitably changes.
(4) motor casing 10 and the fixing means of cover 15 are not particularly limited, and can make to be formed in as described above
2 or more protruding portions 17 of motor casing 10 are connected to the inner peripheral surface 15S of cover 15, in addition, can also fix for screw
Or it is welded and fixed.
(5) electrodynamic pump in above embodiment is not limited to the oil pump 100 for recycling engine oil, can also be to make to start
The water pump of the cooling water circulation of machine, can also be the pump for being used in the purposes other than vehicle.In addition, the driving side of motor part 1
Formula is not limited to generate the three-phase brushless motor of alternating magnetic field, it is possible to use brush motor.In turn, pumping section 2 is not limited to
Trochoid pump can also be made of vane pump etc..
Industrial utilizability
The present invention can be used for having motor part with drive shaft and be rotated by the driving force of motor part
The various electrodynamic pumps of pumping section.
Symbol description
1 motor part
2 pumping section
10 motor casings (shell)
11 drive shafts
15 covers
15a connector insertion section (receiving portion)
The protrusion 15c, 15d
15S inner peripheral surface
16 circuit substrates
17a, 17b protruding portion
31 first parts
32 second parts
32 bulges (position for the terminal that is connected together)
100 transmission cases (equipment cover)
C connection terminal
T terminal
Ta base end part
The first extension of Tb
The second extension of Tc
Claims (6)
1. a kind of electrodynamic pump, has:
Motor part, the motor part have drive shaft；
Shell, the shell accommodate the motor part；
The side of pumping section, the pumping section and the drive shaft on the basis of the motor part links, and by described electronic
The driving force in machine portion is rotated；
Circuit substrate, the other side of the drive shaft of circuit substrate on the basis of by the motor part and the shell
It abuts and configures, and drive the motor part；
Terminal, the terminal and the circuit substrate are electrically connected；And
Cover, the cover has the connection terminal being electrically connected with the terminal, and covers the circuit substrate and institute
Terminal is stated,
The terminal includes
Base end part, the base end part are fixed in the shell；
First extension, first extension extend from the base end part to the circuit substrate, and connect with the circuit substrate
It connects；And
Second extension, second extension is on direction identical with the extending direction of first extension from the base
End extends, and engaging has the connection terminal.
2. electrodynamic pump as described in claim 1, wherein
The position that the connection terminal is engaged in second extension is prominent to the cover side compared to the circuit substrate.
3. electrodynamic pump as described in claim 1, wherein
The position that the connection terminal is engaged in second extension is projected to compared to the circuit substrate close to the cover
The position of part.
4. electrodynamic pump as claimed any one in claims 1 to 3, wherein
Second extension prolongs by the first part extended from the base end part and from the first part in two strand
The second part composition that the connection terminal is clamped in front end is stretched and passes through,
The width at the position adjacent with the second part is less than the width of the second part in the first part.
5. electrodynamic pump as claimed any one in claims 1 to 3, wherein
The shell has from the prominent multiple protruding portion for being formed and being abutted with the inner peripheral surface of the cover in bottom,
Protrusion is formed at least two protrusion on the inner peripheral surface of the cover, and at least two protrusion is connected to adjacent
2 protruding portions between side.
6. electrodynamic pump as claimed any one in claims 1 to 3, wherein
The cover has receiving portion, the end of the opposite side of the end engaged in the connection terminal with second extension
Portion is accommodated in the receiving portion with the state exposed,
In the state that the cover is fixed in equipment cover, only the receiving portion is prominent to the outside of the equipment cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016215422A JP2018071499A (en) | 2016-11-02 | 2016-11-02 | Electric pump |
| JP2016-215422 | 2016-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108005898A CN108005898A (en) | 2018-05-08 |
| CN108005898B true CN108005898B (en) | 2019-06-25 |
Family
ID=62051094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999683.XA Active CN108005898B (en) | 2016-11-02 | 2017-10-24 | Electrodynamic pump |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018071499A (en) |
| CN (1) | CN108005898B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020056336A (en) | 2018-09-28 | 2020-04-09 | 日本電産トーソク株式会社 | Electric pump device |
| US20220170457A1 (en) * | 2019-06-11 | 2022-06-02 | Nidec Corporation | Electric pump |
| JP7403308B2 (en) * | 2019-12-16 | 2023-12-22 | ミネベアミツミ株式会社 | motor |
| DE102020100595A1 (en) * | 2020-01-13 | 2021-07-15 | Schwäbische Hüttenwerke Automotive GmbH | Pump-motor unit for a gearbox, for example |
| JP7400489B2 (en) * | 2020-01-20 | 2023-12-19 | ニデックパワートレインシステムズ株式会社 | electric pump |
| DE102020206124A1 (en) * | 2020-05-14 | 2021-11-18 | Volkswagen Aktiengesellschaft | Contact device and electric motor |
| JP7552356B2 (en) | 2020-12-28 | 2024-09-18 | ニデックパワートレインシステムズ株式会社 | Motor and pump equipment |
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|---|---|---|---|---|
| DE4029217C1 (en) * | 1990-09-14 | 1992-03-12 | Danfoss-Flensburg Gmbh, 2390 Flensburg, De | Electric terminal for encapsulated refrigerant compressor - clamps plug pins partially inserted in holes of housing wall |
| CN1131732A (en) * | 1994-11-17 | 1996-09-25 | 三菱重工业株式会社 | Eddy compression engine |
| JP2002130158A (en) * | 2000-10-20 | 2002-05-09 | Fujitsu General Ltd | Scroll compressor |
| CN1930755A (en) * | 2004-03-11 | 2007-03-14 | 法雷奥热系统（日本）公司 | Brushless motor |
| JP2008175090A (en) * | 2007-01-16 | 2008-07-31 | Mitsuba Corp | Motor-driven pump |
| CN102985801A (en) * | 2010-07-13 | 2013-03-20 | 三菱电机株式会社 | Pressure sensor unit and brake device |
| CN104074718A (en) * | 2013-03-28 | 2014-10-01 | 株式会社丰田自动织机 | Motor-driven compressor and manufacturing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3630416B2 (en) * | 2002-06-27 | 2005-03-16 | 三菱電機株式会社 | Electro-hydraulic power steering device and method for manufacturing the same |
| JP6297312B2 (en) * | 2012-12-28 | 2018-03-20 | 株式会社ミツバ | Electric motor and electric pump |
| JP6522358B2 (en) * | 2015-02-09 | 2019-05-29 | 日立オートモティブシステムズ株式会社 | Electric drive device and electric power steering device |
-
2016
- 2016-11-02 JP JP2016215422A patent/JP2018071499A/en active Pending
-
2017
- 2017-10-24 CN CN201710999683.XA patent/CN108005898B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4029217C1 (en) * | 1990-09-14 | 1992-03-12 | Danfoss-Flensburg Gmbh, 2390 Flensburg, De | Electric terminal for encapsulated refrigerant compressor - clamps plug pins partially inserted in holes of housing wall |
| CN1131732A (en) * | 1994-11-17 | 1996-09-25 | 三菱重工业株式会社 | Eddy compression engine |
| JP2002130158A (en) * | 2000-10-20 | 2002-05-09 | Fujitsu General Ltd | Scroll compressor |
| CN1930755A (en) * | 2004-03-11 | 2007-03-14 | 法雷奥热系统（日本）公司 | Brushless motor |
| JP2008175090A (en) * | 2007-01-16 | 2008-07-31 | Mitsuba Corp | Motor-driven pump |
| CN102985801A (en) * | 2010-07-13 | 2013-03-20 | 三菱电机株式会社 | Pressure sensor unit and brake device |
| CN104074718A (en) * | 2013-03-28 | 2014-10-01 | 株式会社丰田自动织机 | Motor-driven compressor and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018071499A (en) | 2018-05-10 |
| CN108005898A (en) | 2018-05-08 |
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