CN209675208U - Relay - Google Patents

Abstract

The utility model provides a kind of relay for being capable of increasing contact pressure, including shell, post assembly, dynamic touch panel, drive shaft, driving assembly, first magnetic yoke, second magnetic yoke, first magnetic yoke and the second magnetic yoke are for increasing contact pressure between dynamic touch panel and post assembly, first magnetic yoke is set on shell, second magnetic yoke is set to the side that shown dynamic touch panel deviates from first magnetic yoke, the i.e. described dynamic touch panel is set between the first magnetic yoke and the second magnetic yoke, magnetic field caused by dynamic touch panel by energization magnetizes the first magnetic yoke and the second magnetic yoke, so that second magnetic yoke generates upward magnetic attraction in the case where dynamic touch panel is powered, push dynamic touch panel, increase the contact pressure between dynamic touch panel and post assembly, promote the stability and safety of relay.

Description

Relay

Technical field

The utility model relates to technical field of electric equipment, in particular to a kind of relay.

Background technique

Power relay is the breaking device of a kind of high pressure, powerful power supply, and low-voltage coil flows through electric current and generates electromagnetism Power, dynamic iron core drive catch bar to connect movable contact and stationary contact point contact, high pressure, and after low-voltage coil power-off, catch bar is resetting Under the reaction force of elastic component, movable contact and stationary contact is driven to disconnect, by frequent above-mentioned motion process, realizes the frequency of route Numerous on-off control.

But repulsive force can be generated when movable contact contacts stationary contact, the electric current to circulate between contact is bigger, between contact Repulsive force it is also bigger, the contact stabilization between movable contact and stationary contact is leveraged in the environment of circulating high current.

Utility model content

In view of this, the present invention provides a kind of relays for being capable of increasing contact pressure, including shell, binding post group Part, dynamic touch panel, drive shaft, driving assembly, the first magnetic yoke and the second magnetic yoke.Accommodating chamber is defined in the shell；It is described to connect Terminal component includes the first binding post and the second binding post, and first binding post and the second binding post are set to institute at interval It states on shell；The dynamic touch panel is movably disposed between the first position and the second position in the accommodating chamber, described dynamic Touch panel contacted in the first position with the post assembly so that first binding post and second binding post it Between conduct, the dynamic touch panel is separated in the second position with the post assembly so that first binding post and institute The separated of the second binding post is stated to conduct；The drive shaft drives the dynamic touch panel to live between the first position and the second position It is dynamic；The driving component drives the drive shaft, so that the dynamic touch panel is contacted or separated with the post assembly；

First magnetic yoke is set on the shell；Second magnetic yoke is located at the dynamic touch panel far from first magnetic The side of yoke, for the dynamic touch panel at first position, first magnetic yoke and second magnetic yoke are attracting, so that second magnetic Yoke provides the pressure towards first magnetic yoke for the dynamic touch panel.

In one embodiment, the drive shaft is equipped with locating part, and the locating part limitation dynamic touch panel connects described in Terminal component is mobile.

In one embodiment, the drive shaft is equipped with the buffer spring in compressive state, and the buffer spring is towards institute It states locating part and supports the dynamic touch panel.

In one embodiment, the drive shaft includes abutting disk, and the buffer spring is set to the dynamic touch panel and described It abuts between disk, the dynamic touch panel is supported in one end of the buffer spring, and the other end of the buffer spring supports the abutting Disk.

In one embodiment, first magnetic yoke is equipped with groove, and the groove is for accommodating the locating part.

In one embodiment, first magnetic yoke is set between first binding post and second binding post.

In one embodiment, the thickness of first magnetic yoke is greater than the thickness of second magnetic yoke.

In one embodiment, first magnetic yoke is with a thickness of 2 times of the second magnetic yoke thickness.

In one embodiment, first magnetic yoke is oppositely arranged with second magnetic yoke.

In one embodiment, the driving component includes reset spring, and the reset spring pushes down on the drive shaft.

In one embodiment, the relay further includes dead ring, and the dead ring is by the dynamic touch panel and the driving Axis is kept apart.

In one embodiment, the dead ring includes dead ring main body, first edge of a wing and second edge of a wing, the dead ring Main body is between the dynamic touch panel, second magnetic yoke and the drive shaft, and first edge of a wing is by the dead ring main body It extends to form in the upper surface of the dynamic touch panel, second edge of a wing is extended to form by the dead ring main body in second magnetic The lower surface of yoke, the dynamic touch panel and second magnetic yoke are located between first edge of a wing and second edge of a wing.

In one embodiment, the dead ring wraps up the dynamic touch panel.

In conclusion the relay of the utility model includes for increasing contact pressure between dynamic touch panel and post assembly The first magnetic yoke and the second magnetic yoke, the first magnetic yoke is set on shell, and the second magnetic yoke is set to dynamic touch panel away from the first magnetic yoke Side, i.e., dynamic touch panel are set between the first magnetic yoke and the second magnetic yoke, the magnetization of magnetic field caused by the dynamic touch panel by energization the One magnetic yoke and the second magnetic yoke, so that the magnetic attraction that the second magnetic yoke is upward by the first magnetic yoke the case where dynamic touch panel is powered, first Magnetic yoke and the second magnetic yoke are attracting, so that second magnetic yoke provides a pressure towards first magnetic yoke for the dynamic touch panel Power pushes dynamic touch panel, increases the contact pressure between dynamic touch panel and post assembly, promotes the stability and safety of relay Property；It effectively solves when high current is by dynamic touch panel, the repulsive force increase between post assembly and dynamic touch panel will lead to wiring The problem of column assembly and dynamic touch panel separate guarantees that relay when high current passes through, is also able to maintain good contact stabilization.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is a kind of sectional view of the relay of embodiment of the utility model.

Fig. 2 is the first magnetic yoke and the second magnetic yoke attraction schematic diagram of relay shown in Fig. 1.

Fig. 3 is the first magnetic yoke and the second magnetic yoke attraction principle of the relay of the utility model another embodiment Figure.

Fig. 4 is the schematic diagram of the accommodating cavity internal structure of the relay of another embodiment of the utility model.

Fig. 5 is the first magnetic yoke and the second magnetic yoke attraction schematic diagram of relay shown in Fig. 4.

Appended drawing reference:

Shell 101, supporting plate 102；

First binding post 11, the second binding post 12；

Dynamic touch panel 30；

Drive shaft 40, locating part 41 abut disk 42, buffer spring 43, dead ring 45, dead ring main body 451, first edge of a wing 453, second edge of a wing 455, abrasionproof part 47；

Sleeve 51, limited post 53, iron core 55, coil 57, reset spring 59；

First magnetic yoke 61, groove 611, the second magnetic yoke 62, bottom plate 621, the first side plate 523, the second side plate 625.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.

Before describing the embodiments in more detail, it should be appreciated that the utility model is not limited in the application hereafter or attached drawing Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other modes.Also, it should manage Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one, It is a.

As shown in Figure 1, the relay of the utility model include shell, post assembly, dynamic touch panel 30, drive shaft 40 and Driving assembly.

Accommodating cavity is defined in shell, post assembly includes the first binding post 11 and second for connecting external circuit Binding post 12, the first binding post 11 and the second binding post 12 are set on shell at interval.More specifically, shell includes shell 101 and supporting plate 102, shell 101 has opposite bottom and top, the bottom-open of shell 101, and supporting plate 102 is located at shell 101 Lower end to close the bottom of shell 101, the first binding post 11 and the second binding post 12 are set to the top of shell 101.

First binding post 11 and the second binding post 12 have opposite top and bottom end, wherein top is defined as such as Fig. 1 institute Show that one end upward, bottom end are one end opposite with top, i.e., one end as shown in Figure 1 downward.First binding post 11 and second binding post 12 through shell 101 top and be sealed on shell 101 so that the first binding post 11 and second The top of binding post 12 is located at outside accommodating cavity, convenient for being connect with external circuit, the bottom of the first binding post 11 and the second binding post 12 End is located in accommodating chamber, the external electrical that can be turned on or off by dynamic touch panel 30 first binding post 11 and the second binding post are connected Road.

It is set in accommodating chamber for realizing the dynamic touch panel 30 for the post assembly that is turned on or off, more specifically, dynamic touch panel 30 be conduct piece, and moving touch panel 30 can be movable between the first position and the second position, and dynamic touch panel 30 connects in first position with first Terminal 11, the contact of the second binding post 12 between post assembly so that conduct, and dynamic touch panel 30 is in the second position (second position For the other positions of non-first position, in dynamic touch panel 30 in active strokes, dynamic touch panel 30 is detached from first position and is considered as second Position) separated with the first binding post 11, the second binding post 12 so that the first binding post 11 and the second binding post 12 it is separated It conducts.

In some embodiments of the utility model, shell 101 is ceramic shell, and ceramic shell can play high-voltage isulation Effect, thus, it is possible to which the low voltage component being effectively prevented from relay is damaged or is hit by the affected by high in shell 101 It wears, to improve the safety and reliability of relay.

In the present invention, it is filled with hydrogen in accommodating chamber, hydrogen can protect the component (such as the in accommodating chamber One binding post 11, the second binding post 12, dynamic touch panel 30 etc.), avoid the component in accommodating chamber from generating electric arc and burn out, especially The post assembly and dynamic touch panel 30 for being frequently connected and disconnecting are needed, to further increase the security reliability of relay.It answers When understanding, a kind of embodiment that hydrogen is only used as the utility model is filled in accommodating chamber, in other embodiments, Other can be filled in accommodating chamber can play the gas of arc extinguishing effect, such as nitrogen, and the utility model is not construed as limiting this.

Drive shaft 40 be strip pole shape, drive shaft 40 have opposite first end and second end, the first of drive shaft 40 End is towards the one end at 101 top of shell, i.e., one end upward as shown in Figure 1, the first end of drive shaft 40 is across supporting plate 102 and protrude into accommodating chamber, and dynamic touch panel 30 is connected, so that dynamic touch panel 30 can be with drive shaft 40 in first position and the second position Between activity.

More specifically, drive shaft 40 includes locating part 41, abuts disk 42 and buffer spring 43.Wherein, locating part 41 is set It is mobile towards post assembly to limit dynamic touch panel 30 to be placed in the first end of drive shaft 40；Disk 42 is abutted to be located under locating part 41 Side abuts disk 42 around drive shaft 40 and is fixedly connected in drive shaft 40；Dynamic touch panel 30 is movably set in locating part 41 and supports It connects between disk 42；Buffer spring 43 is helical spring, and buffer spring 43 is sheathed in drive shaft 40, and buffer spring 43 is located at dynamic touching Between plate 30 and abutting disk 42, and it is in compressive state.Buffer spring 43 supports dynamic touch panel 30 towards locating part 41, so that dynamic touching Plate 30 is located between locating part 41 and buffer spring 43, so that dynamic touch panel 30 can be with drive shaft 40 in first position and second It is movable between setting.

It should be understood that realizing that buffer spring 43 supports dynamic touch panel towards locating part 41 using the support for abutting disk 42 30, only as a kind of embodiment of the utility model, in other embodiments, can also realize buffering elastic by other means Spring 43 supports dynamic touch panel 30 towards locating part 41, for example, dynamic touch panel 30 is supported in 43 one end of buffer spring in compressive state, and The other end is fixed in drive shaft 40, and the utility model is not construed as limiting to buffer spring 43 with set-up mode.

Driving assembly driving drive shaft 40 moves in the up-down direction, and driving assembly is set to below shell.Driving assembly Including sleeve 51, limited post 53, iron core 55 and coil 57.Sleeve 51 be in upper end opening cylinder-like structure, sleeve 51 it is upper End respective drive 40 protrudes into position and the sealed connection of supporting plate 102, so that the second end of drive shaft 40 is movable in sleeve 51. Top that limited post 53 is set in sleeve 51 is simultaneously connected with supporting plate 102.Iron core 55 is set to the second end of drive shaft 40, and with The one activity in sleeve 51 of drive shaft 40, and limited post 53 limits the displacement that iron core 55 moves up.It is arranged with outside sleeve 51 Coil 57, when aliving in coil 57, coil 57 generates induced magnetic field, and iron core 55 can be along upper under the action of induced magnetic field Lower direction activity.

In the present embodiment, when being formed as coil 57 to be passed through electric current, the generation of coil 57 makes the movable sense upwards of iron core 55 Answer magnetic field.Driving assembly includes the reset spring 59 being sheathed in drive shaft 40 and between iron core 55 and limited post 53, multiple Iron core 55 and limited post 53 are supported in the both ends of position spring 59 respectively, and reset spring 59 is in compressive state, so that reset spring 59 The elastic force for pushing iron core 55 and limited post 53 to be located remotely from each other is generated, since limited post 53 is fixed, reset spring 59 pushes down on weight Core 55.

Electric current is passed through in coil 57, coil 57 generates induced magnetic field, and iron core 55 moves up under the action of induced magnetic field, And then drive dynamic touch panel 30 mobile to first position by drive shaft 40, and as iron core 55 moves up, reset spring 59 into one Step compression.When dynamic touch panel 30 is located at first position, dynamic touch panel 30 contacted with post assembly and be connected the first binding post 11 and Second binding post 12, iron core 55 and drive shaft 40 can continue to move up, and reset spring 59 continues further to compress, locating part 41 separate with dynamic touch panel 30, and buffer spring 43 is further compressed and worked as a buffer to dynamic touch panel 30, reduce dynamic touch panel 30 and connect Impact force between terminal component extends dynamic 30 He of touch panel to reduce the abrasion and deformation of dynamic touch panel 30 and post assembly The service life of post assembly.Until iron core 55 is abutted with limited post 53, iron core 55 and the stopping of drive shaft 40 are moved up.

The electric current in coil 57 is disconnected, induced magnetic field caused by coil 57 disappears, buffer spring 43 and reset spring 59 Elastic force is discharged, drive shaft 30 moves down under the effect of the elastic force of buffer spring 43 and reset spring 59.When locating part 41 contacts Dynamic touch panel 30, buffer spring 43 can not extend, and continue effect by reset spring 59 and drive shaft 40 is driven to move down, pass through limit Position part 41 pulls the dynamic touch panel 30 for being located at first position, so that dynamic touch panel 30 is mobile to the second position and makes the first binding post 11 Separated with the second binding post conducts.Until 55 contact sleeve of iron core, 51 bottom, and under the action of reset spring 59, make Relay is obtained to be in an off state in the case where coil 57 is not passed through electric current.

It should be understood that the induced magnetic field for moving up iron core 55 is generated by the coil 57 that setting is passed through electric current, And reset spring 59 is set to realize being turned on or off between the first binding post 11 and the second binding post 12, only sheet is practical A kind of novel embodiment, in other embodiments, mode also up and down with other driving drive shafts 30, for example, it is logical It crosses to coil 57 and is passed through forward and reverse electric current to realize the up and down of drive shaft 30, the utility model is not construed as limiting this.

Dynamic touch panel 30 is connected the electric current between the first binding post 11 and the second binding post 12 and generates contact repulsive force, in big electricity Situation is flowed, will affect the stability contacted between dynamic touch panel 30 and post assembly.

The relay of the utility model includes the first magnetic yoke 61 and the second magnetic yoke 62, and the first magnetic yoke 61 and the second magnetic yoke 62 are It is made of magnetic material.First magnetic yoke 61 is rectangular plate-like, and the first magnetic yoke 61 is set to the top of shell 101.Second magnetic yoke 62 For rectangular plate-like, the second magnetic yoke 62 is located at dynamic side of the touch panel 30 far from the first magnetic yoke 61.

In the present embodiment, relay further includes dead ring 45, dead ring 45 be used for dynamic touch panel 30, the second magnetic yoke 62 with Drive shaft 40 insulate.Dead ring 45 is set between dynamic touch panel 30, the second magnetic yoke 62 and drive shaft 40, is avoided in dynamic touch panel 30 when being located at first position with the short circuit of drive shaft 40, high-tension current punctures coil 57 downwards along drive shaft 40.First magnetic yoke 61 40 ground of respective drive is set between the first binding post 11 and the second binding post 12.Dead ring 45 include dead ring main body 451, First edge of a wing 453 and second edge of a wing 455.Dead ring main body 451 be sheathed on dynamic touch panel 30, the second magnetic yoke 62 and drive shaft 40 it Between.First edge of a wing 453 is extended to form as dead ring main body 451 and (moves touch panel 30 towards on shown in Fig. 1 in the upper surface of dynamic touch panel 30 The surface in direction), first edge of a wing 453 is for separating dynamic touch panel 30 and locating part 41, so that first edge of a wing 453 and locating part 41 are exhausted Edge, and first edge of a wing 453 covers the portion of upper surface of dynamic touch panel 30, to be protected to dynamic touch panel 30.Second edge of a wing 455 by Dead ring main body 451 is extended to form in the lower surface (surface of second magnetic yoke 62 towards lower direction shown in Fig. 1) of the second magnetic yoke 62, Second edge of a wing 455 is for separating the second magnetic yoke 62 and buffer spring 43.Dynamic touch panel 30 and the second magnetic yoke 62 are located in first edge of a wing 453 and second between the edge of a wing 455 so that under the action of dead ring 45, the second magnetic yoke 62 recline dynamic touch panel 30 lower surface it is (dynamic Surface of the touch panel 30 towards lower direction shown in Fig. 1) and it is movable with dynamic 30 one of touch panel.

It should be understood that by the way that dynamic touch panel 30 and the second magnetic yoke 62 are located in first edge of a wing 453 and second edge of a wing 455 Between, only as dynamic touch panel 30 and the second magnetic yoke 62 is realized, integrally a kind of movable embodiment in other embodiments can also To realize the one activity of dynamic touch panel 30 and the second magnetic yoke 62 by other means, for example, the second magnetic yoke 62 is sheathed on drive shaft On 40, the second magnetic yoke 62 is actively set between dynamic touch panel 30 and buffer spring 43, and buffer spring 43 presses upwards on, so that the Lower surface (the dynamic touch panel on upper surface (surface of second magnetic yoke 62 towards upper direction shown in Fig. 1) and dynamic touch panel 30 of two magnetic yokes 62 30 towards lower direction shown in Fig. 1 surface) abut.Second magnetic yoke 62 can also by gluing, the modes such as weld, be bolted and connect To the lower surface (surface of the dynamic touch panel 30 towards lower direction shown in Fig. 1) of dynamic touch panel 30, to realize the second magnetic yoke 62 and dynamic touching 30 one activity of plate.The utility model is not construed as limiting the specific set-up mode of the second magnetic yoke 62, as long as being able to achieve the second magnetic yoke 62 is movable with dynamic 30 one of touch panel.

As shown in Fig. 2, flowing through the electricity inside perpendicular to shown plane on dynamic touch panel 30 when dynamic touch panel 30 is located at first position Stream, to generate clockwise magnetic field around dynamic touch panel 30.Dynamic touch panel 30 is located at the first magnetic yoke 61 and the second magnetic yoke 62 Between, the first magnetic yoke 61 and the second magnetic yoke 62 are magnetized, and the first magnetic yoke 61 and the second magnetic yoke 62 attract each other, the first magnetic yoke 61 Be fixed on shell 101, the second magnetic yoke 62 by the first magnetic yoke 61 magnetic attraction and push dynamic touch panel 30 to post assembly so that Second magnetic yoke 62 is that dynamic touch panel 30 provides the pressure of first magnetic yoke of direction 61, effectively cancels out dynamic touch panel 30 and binding post group Contact repulsive force between part increases the contact pressure between dynamic touch panel 30 and post assembly, so that dynamic touch panel 30 and wiring It is more stably contacted between column assembly.

In addition, the first magnetic yoke 61 and the second magnetic yoke 62 that are magnetized can also generate magnetizing effect to dynamic touch panel 30.First magnetic Yoke 61 and the second magnetic yoke 62 are related to the first magnetic yoke 61 and 62 thickness of the second magnetic yoke to the magnetizing effect of dynamic touch panel, definition the The height with a thickness of the first magnetic yoke 61 in above-below direction of one magnetic yoke 61, similarly, define the second magnetic yoke 62 with a thickness of second The height of magnetic yoke 62 in above-below direction.

In the case where the first magnetic yoke 61 and equal 62 thickness of the second magnetic yoke, move in touch panel 30 magnetic flux from left to right with Magnetic flux from right to left is roughly equal, and therefore, dynamic touch panel 30 does not magnetize, and dynamic touch panel 30 still relies only on the first magnetic yoke 61 and the Magnetic attraction between two magnetic yokes 62 increases the contact pressure with post assembly.

However, the magnetic flux moved in touch panel 30 is flat under the first magnetic yoke 61 and the unequal situation of 62 thickness of the second magnetic yoke Weighing apparatus will be broken.

When the thickness of the first magnetic yoke 61 is greater than the thickness of the second magnetic yoke 62, the first magnetic yoke 61 is to the magnetic flux in dynamic touch panel 30 It influences to be greater than the second magnetic yoke 62, moves the magnetic flux that the magnetic flux in touch panel 30 from left to right is greater than from right to left and therefore move touch panel 30 embody the magnetism attracting with the first magnetic yoke 61.Conversely, if the thickness of the first magnetic yoke 61 is moved less than the thickness of the second magnetic yoke 62 Touch panel 30 embodies the magnetism attracting with the second magnetic yoke 61.That is, the mutually attraction that dynamic touch panel 30 is bigger with thickness in the two.

Preferably, the thickness of the first magnetic yoke 61 is greater than the thickness of the second magnetic yoke 62, so that dynamic touch panel 30 is removed by the second magnetic yoke Other than 61 press upwards on, dynamic touch panel 30 and binding post group also are further increased to the magnetic attraction of dynamic touch panel 30 by the first magnetic yoke 62 Contact pressure between part.

Preferably, the first magnetic yoke 61 is with a thickness of 2 times of 62 thickness of the second magnetic yoke.

In the present embodiment, the first magnetic yoke 61 is oppositely arranged with the second magnetic yoke 62, and " being oppositely arranged " described herein refers to It is that the center of the first magnetic yoke 61 and the second magnetic yoke 62 is located at same axis, so that the two is preferably attracting.But this only conduct A kind of embodiment of the utility model, the utility model does not limit the first magnetic yoke 61 and the center of the second magnetic yoke 62 is located at together One axis, in other embodiments, the second magnetic yoke 62 are sheathed in drive shaft 40, and the first magnetic yoke 61 can also deviate drive shaft 40 Axis be set to the top of shell 101, as long as the first magnetic yoke 61 and the second magnetic yoke 62 are located at the two sides of dynamic touch panel 30, i.e., It can be realized when dynamic touch panel 30 is powered and generate magnetic attraction between the first magnetic yoke 61 and the second magnetic yoke 62.

In the present embodiment, the locating part 41 of 61 respective drive 40 of the first magnetic yoke is equipped with the groove that can accommodate locating part 41 611, so that drive shaft 40 can also continue to move up, and further compress buffering elastic after dynamic touch panel 30 contacts post assembly Spring 43, without reserving exceptional space, the element arrangement in relay is more compact, reduces the volume of relay indirectly.

In the present embodiment, the quantity of the first magnetic yoke 61 and the second magnetic yoke 62 is one, it should be appreciated that this only makees For a kind of embodiment of the utility model, in other embodiments, the quantity of the first magnetic yoke 61 and/or the second magnetic yoke 62 can also Think it is multiple, for example, the quantity of the first magnetic yoke 61 be it is multiple, multiple first magnetic yokes 61 are set to the top of shell 101, if the One magnetic yoke 61 and the second magnetic yoke 62 are located at the two sides of dynamic touch panel 30, can realize the first magnetic yoke 61 when dynamic touch panel 30 is powered Magnetic attraction is generated between the second magnetic yoke 62.

In embodiment as shown in Figure 3, the first magnetic yoke 61 is set to the center at 101 top of shell.Second magnetic yoke 62 U-shaped structure, the second magnetic yoke 62 is including bottom plate 621 and 623 He of the first side plate formed is upwardly extended by the both ends of bottom plate 621 Second side plate 625, when dynamic touch panel 30 is located at first position, the first side plate 623 of the second magnetic yoke 62 and the contact of the second side plate 625 First magnetic yoke 61 increases the first magnetic yoke 61 and the second magnetic yoke to form magnetic loop in the first magnetic yoke 61 and the second magnetic yoke 62 Magnetic attraction between 62.

In Fig. 4 and embodiment shown in fig. 5, the first magnetic yoke 61 is set to the center at 101 top of shell.Dead ring 45 wrap up dynamic touch panel 30.The second U-shaped magnetic yoke 62 is sheathed on outside dead ring 45, and 625 direction of the first side plate 623 and the second side plate First magnetic yoke 61 extends.Dynamic touch panel 30, dead ring 45 and the second magnetic yoke 62 form entirety and are movably set in drive shaft 40, Buffer spring 43 supports the lower surface (surface of second magnetic yoke 62 towards lower direction shown in Fig. 4) of the second magnetic yoke 62.In this implementation In example, relay further includes abrasionproof part 47, and abrasionproof part 47 is metal material, and abrasionproof part 47 is set to dead ring 45 and drive shaft 40 Between, it rubs when preventing dead ring 45 movable with drive shaft 40.

In conclusion the relay of the utility model includes for increasing contact pressure between dynamic touch panel and post assembly The first magnetic yoke and the second magnetic yoke, the first magnetic yoke is set on shell, and the second magnetic yoke is located at one of dynamic touch panel far from the first magnetic yoke Side is moved in touch panel setting drive shaft and between the first magnetic yoke and the second magnetic yoke, magnetic caused by the dynamic touch panel by energization Field the first magnetic yoke of magnetization and the second magnetic yoke, so that the first magnetic yoke and the second magnetic yoke attract each other, the second magnetic yoke, which pushes up, presses touching Plate increases the contact pressure between dynamic touch panel and post assembly, promotes the stability and safety of relay.

Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed Specific embodiment should be considered as illustrative rather than restricted.Therefore, the scope of the utility model is wanted by appended right It asks, instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any changes Change all should belong to these the scope of the claims.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (13)

1. a kind of relay characterized by comprising

Shell defines accommodating chamber in the shell；

Post assembly, the post assembly include the first binding post and the second binding post, first binding post and second Binding post is set at interval on the shell；

Dynamic touch panel, the dynamic touch panel is movably disposed between the first position and the second position in the accommodating chamber, described Dynamic touch panel is contacted in the first position with the post assembly so that first binding post and second binding post Between conduct, the dynamic touch panel separated in the second position with the post assembly so that first binding post and The separated of second binding post conducts；

Drive shaft, the drive shaft drive the dynamic touch panel movable between the first position and the second position；

Driving assembly, the driving component drive the drive shaft so that the dynamic touch panel contacted with the post assembly or Separation；

First magnetic yoke, first magnetic yoke are set on the shell；

Second magnetic yoke, second magnetic yoke are located at side of the dynamic touch panel far from first magnetic yoke, and the dynamic touch panel is When one position, first magnetic yoke and second magnetic yoke are attracting, so that second magnetic yoke provides one for the dynamic touch panel Towards the pressure of first magnetic yoke.

2. relay as described in claim 1, it is characterised in that: the drive shaft is equipped with locating part, the locating part limitation The dynamic touch panel is mobile towards the post assembly.

3. relay as claimed in claim 2, it is characterised in that: the drive shaft is equipped with the buffering elastic in compressive state Spring, the buffer spring support the dynamic touch panel towards the locating part.

4. relay as claimed in claim 3, it is characterised in that: the drive shaft includes abutting disk, and the buffer spring is set It is placed between the dynamic touch panel and the abutting disk, the dynamic touch panel, the buffer spring are supported in one end of the buffer spring The other end support the abutting disk.

5. relay as claimed in claim 2, it is characterised in that: first magnetic yoke is equipped with groove, and the groove is for holding Receive the locating part.

6. relay as described in claim 1, it is characterised in that: first magnetic yoke is set to first binding post and institute It states between the second binding post.

7. relay as described in claim 1, it is characterised in that: the thickness of first magnetic yoke is greater than second magnetic yoke Thickness.

8. relay as claimed in claim 7, it is characterised in that: first magnetic yoke is with a thickness of the second magnetic yoke thickness 2 times.

9. relay as described in claim 1, it is characterised in that: first magnetic yoke is oppositely arranged with second magnetic yoke.

10. relay as described in claim 1, it is characterised in that: the driving component includes reset spring, the reset bullet Spring pushes down on the drive shaft.

11. relay as described in claim 1, it is characterised in that: the relay further includes dead ring, and the dead ring will The dynamic touch panel is kept apart with the drive shaft.

12. relay as claimed in claim 11, it is characterised in that: the dead ring includes dead ring main body, first edge of a wing And second edge of a wing, the dead ring main body is between the dynamic touch panel, second magnetic yoke and the drive shaft, and described One edge of a wing is extended to form by the dead ring main body in the upper surface of the dynamic touch panel, and second edge of a wing is by the dead ring master Body is extended to form in the lower surface of second magnetic yoke, the dynamic touch panel and second magnetic yoke be located in first edge of a wing and Between second edge of a wing.

13. relay as claimed in claim 11, it is characterised in that: the dead ring wraps up the dynamic touch panel.