CN212625393U - Contactor assembly - Google Patents

Abstract

The utility model discloses a contactor subassembly, contactor subassembly includes contactor and detachably and assembles the accessory module of contactor, the accessory module includes the accessory casing, the accessory casing is provided with on its first surface towards the contactor and extends and be the recess of open end and blind end respectively at lengthwise direction's both ends along lengthwise direction, the recess structure is for cooperating with the rib that sets up on the contactor casing, makes to pass through the recess is followed the open end is followed the rib slides, the accessory module can slide and assemble the contactor. According to the utility model discloses a contactor subassembly can save the space of contactor, conveniently loads and unloads the annex module, guarantees insulating and protection level.

Description

Contactor assembly

Technical Field

The utility model relates to a contactor subassembly, specifically, the contactor subassembly includes that contactor and detachably assemble the annex module of contactor.

Background

Currently, for contactor assemblies having accessory modules that are removably mounted to the contactors, it is often necessary to provide holes or the like in the contactor housing to mate with the accessory modules that can damage the insulation or that can waste space for the contactors. For example, as shown in fig. 1, the accessory module is fitted to the contactor by inserting the protrusion provided on the accessory module into the hole of the contactor, thus destroying the insulation of the contactor, resulting in a reduction in the protection rating, and requiring a space in the contactor into which the protrusion of the accessory module is inserted. Therefore, there is a need for an assembly that does not break the insulation and waste space in the contactor.

SUMMERY OF THE UTILITY MODEL

To address the above issues, according to a first aspect of the present invention, a contactor assembly is provided, wherein the contactor assembly includes a contactor and an accessory module detachably assembled to the contactor, the accessory module includes an accessory housing, the accessory housing is provided with a groove extending in a lengthwise direction and being an open end and a closed end at both ends of the lengthwise direction respectively on a first surface thereof facing the contactor, the groove is configured to cooperate with a rib provided on the contactor housing, such that through the groove follows the open end the rib slides, the accessory module is slidably assembled to the contactor.

According to the utility model discloses a contactor subassembly can save the space of contactor, and the accessory module can conveniently assemble the contactor and dismantle and do not need any instrument from the contactor, but also can guarantee the insulation and the protection level of contactor and accessory module.

A contactor assembly according to the present invention may have one or more of the following features.

According to one embodiment, the groove has a section near the closed end that tapers towards the closed end, and the rib has a corresponding tapered section such that the accessory module is positioned by the cooperation of the tapered sections of the groove and the rib when the accessory module is slidingly fitted to the contactor. Thus, the positioning is more accurate.

According to one embodiment, the groove has a cross-section that gradually narrows from a groove bottom surface towards a groove open top end, and the rib has a corresponding gradually widening cross-section in a direction away from the contact, such that the accessory module and the contact cannot be separated in a direction other than the sliding direction during and after sliding fitting of the accessory module to the contact.

According to one embodiment, the accessory module is further provided with an accessory catch spaced from the recess and snap-fit with a contact catch provided on the contact housing, the accessory catch being positioned to snap-fit with a contact catch when the accessory module is slidably fitted in place. The provision of the accessory latch and the contactor latch makes it possible to lock the accessory module on the contactor without accidental separation.

According to one embodiment, the accessory module has a locking device comprising a spring tab such that the accessory catch is held in a catch position capable of snap-fitting with the contactor catch when actuated without an external force, and the accessory catch is actuated to a disengaged position away from the contactor catch when the external force is actuated against the spring force of the spring tab. The arrangement of the locking device enables the assembly and disassembly to be convenient and the locking to be ensured.

According to one embodiment, the locking device further comprises a moving member comprising a projection projecting beyond a second surface of the accessory housing opposite the first surface, a portion of the moving member being coupled to the accessory catch so as to cause the accessory catch to move between a catch position and a disengaged position when the moving member moves between an initial position and an actuated position, wherein one end of the spring plate abuts the moving member and the other end abuts a fixed portion fixed to the accessory housing, the spring plate retaining the moving member in the initial position by spring force, thereby retaining the accessory catch in the catch position; when the moving piece is moved to the actuating position by overcoming the elastic force actuating convex block through external force, the accessory buckle piece is driven to move to the disengaging position; when the external force is removed, the moving piece resets to the initial position through the elasticity of the elastic sheet, so that the accessory clamping piece resets to the clamping position. The locking device has simple structure and easy operation.

According to one embodiment, the moving member includes an actuating portion disposed to abut against a movable end of the accessory catch, a fixed end of the accessory catch is fixed to the accessory housing, the actuating portion does not actuate the accessory catch when the moving member is in the initial position, and when the moving member moves to the actuating position, movement of the actuating portion moves the movable end of the accessory catch to cause the accessory catch to deform, thereby moving the accessory catch to the disengaged position.

According to one embodiment, the accessory module is a remote wear diagnostic module that includes accessory terminals configured to engage the contactor terminals to transmit voltage and current signals to the accessory module indicative of contactor wear.

According to one embodiment, the accessory module and the contactor each comprise a printed circuit board, the printed circuit board of the contactor being positioned adjacent to the accessory module. Nevertheless, since there are no holes in the contactor housing, the insulation and protection levels can be guaranteed.

According to one embodiment, the contactor assembly comprises a plurality of accessory modules, the contactor comprising a plurality of ribs, the plurality of accessory modules being fittable to the contactor via the plurality of ribs, respectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is a schematic view of a prior art contactor assembly.

Fig. 2 is a perspective view of a contactor assembly according to the present invention, showing a separated state of the contactor and the accessory module.

Figure 3 is a perspective view of an accessory module of a contactor assembly according to the present invention.

Figure 4 is a front view of an accessory module of a contactor assembly according to the present invention.

Figure 5 is an internal view of an accessory module of a contactor assembly according to the present invention.

Figure 6 is a cross-sectional view of an accessory module of a contactor assembly according to the present invention.

Figure 7 is a cross-sectional view of a contactor assembly according to the present invention.

List of reference numerals

1 contactor Assembly

2 contactor

21 Rib

22 contactor clasp

23 contactor terminal

24 contactor printed circuit board

3 Accessory module

31 groove

32 open end

33 closed end

34 Accessory fastener

35 moving part

351 convex block

352 actuation part

36 spring plate

37 attachment terminal

38 annex printed circuit board

Detailed Description

In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The present invention is described in detail below by way of describing example embodiments.

Fig. 2 is a perspective view of the contactor assembly 1 according to the present invention, showing the separated state of the contactor 2 and the accessory module 3. The contactor assembly 1 includes a contactor 2 and an accessory module 3 detachably mounted to the contactor 2. The accessory module 3 may be a remote wear diagnosis module or an accessory module 3 with other functions. The accessory module 3 and the contactor 2 have an accessory terminal 37 and a contactor terminal 23, respectively, for engaging with each other, and when the accessory module 3 is fitted to the contactor 2, the accessory terminal 37 and the contactor terminal 23 engage with each other, thereby transmitting a signal of the contactor 2 to the accessory module 3. When the accessory module 3 is a remote wear diagnostic module, voltage and current signals indicative of wear of the contactor 2 are transmitted to the accessory module 3 by engagement of the accessory terminals 37 and the contactor terminals 23.

Fig. 3 is a perspective view of an accessory module 3 of the contactor assembly 1 according to the present invention. Referring to fig. 2 and 3, the accessory module 3 comprises an accessory housing, the surface of which facing the contacts 2 when the accessory module 3 and the contacts 2 are assembled is now referred to as the first surface and the surface facing away from the contacts 2 is referred to as the second surface, i.e. the second surface of the accessory module 3 is seen in fig. 2 and the first surface of the accessory module 3 is seen in fig. 3.

As shown in fig. 3, the first surface of the accessory housing is provided with a groove 31 extending in the longitudinal direction and having an open end 32 and a closed end 33 at both ends in the longitudinal direction, respectively. It should be noted that the longitudinal direction may be a vertical direction, a horizontal direction, or any other direction, and the following description will be given taking an example in which the longitudinal direction shown in the drawings is a vertical direction. The groove 31 extends in a vertical direction, and the upper end of the groove 31 is a closed end 33 and the lower end is an open end 32. As shown in fig. 2, the contact housing is provided with ribs 21 which fit into grooves 31 of the accessory module 3, the shape of the ribs 21 matching the shape of the grooves 31, so that the accessory module 3 can be slidably fitted to the contact 2 by sliding the grooves 31 along the ribs 21 from the open end 32. It should be noted that the matching of the shape of the rib 21 and the shape of the groove 31 does not mean that both need to have identical shapes, for example, as shown in fig. 2 and 3, the groove 31 may be longer than the rib 21, so that after assembly, the upper portion of the groove 31 fits the rib 21 and the lower portion is suspended. For a better positioning between the groove 31 and the rib 21, the groove 31 has an upwardly tapering section near the closed end 33, the rib 21 has a corresponding upwardly tapering section, and the tapering sections of the groove 31 and of the rib 21 cooperate with one another. For example, the rib 21 is tapered upward over the entire length, while the upper section of the groove 31 is tapered upward, and the lower section of the groove 31 is set wider than the width of the rib 21, so that the accessory module 3, when slidingly fitted to the contactor 2, is initially easily aligned for relative sliding and then positioned by the tapered section.

Preferably, the groove 31 and the rib 21 may be formed in a dovetail shape, that is, the groove 31 has a cross section gradually narrowing from a bottom surface of the groove 31 toward an open top end of the groove 31, and the rib 21 has a corresponding gradually widening cross section in a direction away from the contactor, so that the accessory module 3 can only move up and down in the sliding direction and cannot move in a direction other than the sliding direction during and after the sliding fitting of the accessory module 3 to the contactor 2, that is, the accessory module 3 and the contactor 2 cannot be separated in the direction other than the sliding direction.

Preferably, the accessory module 3 may also be provided with an accessory catch 34 spaced from the recess 31 and snap-fitting with a contact catch 22 provided on the contact housing, the accessory catch 34 being positioned to snap-fit with the contact catch 22 when the accessory module 3 is slidably fitted in place so that it does not become dislodged when the fitting is complete. As shown in fig. 3, the accessory latch 34 is laterally spaced from the recess 31 and is disposed at a lower portion of the accessory module 3, and as shown in fig. 2, the contact latch 22 is disposed at a lower portion of the contact housing at a position corresponding to the accessory latch 34.

By the engagement of the groove 31 and the rib 21, or by the engagement of the groove 31 and the rib 21 and the engagement of the accessory latch 34 and the contactor latch 22, the accessory module 3 can be easily assembled to and disassembled from the contactor 2 without any tool, and also the insulation and protection grades of the contactor 2 and the accessory module 3 can be secured, saving the space of the contactor.

With continued reference to fig. 2, it can be seen that the contactor housing is provided with two ribs 21 and two contactor snaps 22, the two ribs 21 and the two contactor snaps 22 respectively engaging with the grooves 31 and the accessory snaps 34 of different accessory modules 3, and therefore, the contactor assembly 1 includes a plurality of accessory modules 3, the plurality of accessory modules 3 can be respectively fitted to the contactor 2, the number of accessory modules 3 is not limited to one or two, but may be three, four, etc. Also the plurality of accessory modules 3 may be of different types, implementing different functions.

Fig. 4 is a front view of an accessory module 3 of a contactor assembly 1 according to the present invention. Fig. 5 is an internal view of the accessory module 3 of the contactor assembly 1 according to the present invention. Fig. 6 is a cross-sectional view of an accessory module 3 of a contactor assembly 1 according to the present invention. The locking device of the contactor assembly 1 according to the present invention is described in detail below with reference to fig. 4-6. The locking device is arranged in the accessory module 3 and mainly comprises a moving member 35 and a spring plate 36 arranged in the accessory module 3, ensuring that the accessory module 3 is locked after being assembled to the contactor 2 without being accidentally separated. As shown in fig. 4, the displacement member 35 is disposed adjacent an inner surface of the second surface of the accessory housing, and includes a projection 351 projecting out of the second surface of the accessory housing, the projection 351 being actuatable upwardly by a user to unlock the locking arrangement. As shown in fig. 5, the moving member 35 may include an actuating portion 352 extending toward the first surface at a lower portion thereof. As shown in fig. 6, the accessory latch 34 is disposed through the first surface of the accessory housing and has a fixed end (e.g., an upper end) fixed to the accessory housing and a movable end (e.g., a lower end) that is movable, and the actuating portion 352 is disposed against the movable end of the accessory latch 34, whereby upward movement of the actuating portion 352 may move the movable end, causing the accessory latch 34 to, for example, elastically deform to tilt about the fixed end, thereby moving the accessory latch 34 from a latched position capable of snapping engagement with the contactor latch 22 to a disengaged position separated from the contactor latch 22, and when the actuating portion 352 is restored without actuating the accessory latch 34, the accessory latch 34 is then restored to an undeformed position, thereby being capable of snapping engagement with the contactor latch 22. Referring back to fig. 5, one end of the spring piece 36 abuts against the moving piece 35 and the other end abuts against a fixed portion fixed to the accessory housing, and the elastic force of the spring piece 36 is configured to bias the moving piece 35 to the initial position. In general, when the protrusion 351 is not actuated by external force, the moving member 35 is in the initial position due to the elastic force of the elastic sheet 36, the protrusion 351 is in the locking position (downward position) as shown in fig. 4, the actuating portion 352 does not actuate the accessory latch 34, and the accessory latch 34 is in the latching position, so that the accessory latch 34 can be latched with the contactor latch 22 when the accessory module 3 is assembled to the contactor; when the accessory module 3 is to be dismounted, the user actuates the projection 351 upwards against the elastic force of the elastic sheet 36, so that the projection 351 is in an unlocked position (upwards position), at which the moving member 35 moves upwards from the initial position to the actuated position, and the actuating portion 352 provided on the moving member 35 moves upwards, actuating the accessory catch 34, so that the accessory catch 34 moves from the catch position to the disengaged position, disengaging from the contact catch 22, and thus the accessory module 3 can be slidingly dismounted upwards; when the external force of the user is removed, the moving member 35 is automatically returned to the initial position by the elastic force of the elastic piece 36, and thus the accessory latch 34 is also returned to the latching position, and can be automatically latched with the contactor latch 22 at the next assembly.

Fig. 7 is a cross-sectional view of the contactor assembly 1 according to the present invention, showing the accessory module 3 assembled to the contactor 2. The accessory module 3 and the contactor 2 each comprise a printed circuit board, and the contactor printed circuit board 24 is positioned adjacent to the accessory module 3. Nevertheless, since there are no holes in the contactor housing, the insulation and protection levels can be guaranteed.

In general, according to the utility model discloses a contactor subassembly 1 can save the space of contactor, and accessory module 3 can conveniently assemble contactor 2 and dismantle from contactor 2 and do not need any instrument, but also can guarantee the insulating and protection grade of contactor and accessory module 3, and accessory module 3 can lock on contactor 2 and can not unexpected the separation simultaneously.

The exemplary embodiment of the contactor assembly 1 proposed by the present invention has been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention.

Claims (10)

1. A contactor assembly, characterized in that the contactor assembly comprises a contactor and an accessory module detachably fitted to the contactor, the accessory module comprises an accessory housing provided on its first surface facing the contactor with a groove extending in the longitudinal direction and being open and closed ends at the ends of the longitudinal direction, respectively, the groove being configured to cooperate with a rib provided on the contactor housing, such that through the groove the open end is followed the rib slides, the accessory module is slidably fitted to the contactor.

2. The contact assembly of claim 1, wherein the groove has a tapered section near the closed end toward the closed end, and the rib has a corresponding tapered section such that the accessory module is positioned by engagement of the tapered sections of the groove and the rib when the accessory module is slidably mounted to the contact.

3. The contact assembly of claim 1, wherein the groove has a cross-section that gradually narrows from a groove floor toward a groove open top end, and the rib has a corresponding gradually widening cross-section in a direction away from the contact such that the accessory module and the contact cannot be separated in a direction other than the sliding direction during and after sliding assembly of the accessory module to the contact.

4. The contactor assembly of claim 1, wherein the accessory module is further provided with an accessory catch spaced from the recess and snap-fit with a contactor catch provided on the contactor housing, the accessory catch being positioned to snap-fit with a contactor catch when the accessory module is slidably fitted in place.

5. The contactor assembly according to claim 4, wherein the accessory module has a locking device comprising a spring tab such that the accessory catch is held in a catch position capable of snap-fitting with the contactor catch when not actuated by an external force, and the accessory catch is actuated to a disengaged position away from the contactor catch when the external force is actuated against the spring force of the spring tab.

6. The contactor assembly of claim 5, wherein the locking device further comprises a moving member including a tab projecting out of a second surface of the accessory housing opposite the first surface, a portion of the moving member being coupled to the accessory catch such that when the moving member moves between an initial position and an actuated position, the accessory catch is entrained to move between a catch position and a disengaged position,

wherein one end of the elastic sheet is abutted against the moving piece, the other end is abutted against and fixed on the fixing part of the accessory shell,

the elastic sheet keeps the moving part at the initial position through elastic force, so that the accessory fastener is kept at a fastening position; when the moving piece is moved to the actuating position by overcoming the elastic force actuating convex block through external force, the accessory buckle piece is driven to move to the disengaging position; when the external force is removed, the moving piece resets to the initial position through the elasticity of the elastic sheet, so that the accessory clamping piece resets to the clamping position.

7. The contactor assembly as claimed in claim 6, wherein said moving member includes an actuating portion disposed against a movable end of said accessory catch, a fixed end of said accessory catch being fixed to the accessory housing, said actuating portion not actuating said accessory catch when said moving member is in said initial position, movement of said actuating portion moving said movable end of said accessory catch when said moving member is moved to the actuated position causing said accessory catch to deform thereby moving said accessory catch to the disengaged position.

8. The contactor assembly as claimed in any one of claims 1 to 7, wherein the accessory module is a remote wear diagnostic module, the accessory module comprising accessory terminals configured to engage with the contactor terminals to transmit voltage and current signals indicative of contactor wear to the accessory module.

9. The contactor assembly as claimed in any one of claims 1 to 7, wherein the accessory module and the contactors each comprise a printed circuit board, the printed circuit boards of the contactors being positioned adjacent to the accessory module.

10. The contact assembly as claimed in any one of claims 1 to 7, wherein the contact assembly includes a plurality of accessory modules, the contact including a plurality of ribs, the plurality of accessory modules being mountable to the contact by the plurality of ribs, respectively.

Images