CN216562804U

CN216562804U - Auxiliary switch device

Info

Publication number: CN216562804U
Application number: CN202123322557.1U
Authority: CN
Inventors: 荣良章; 李辉; 陈林; 胡国伟; 郑彬; 计新华
Original assignee: Zhejiang Tengen Intelligent Electrical Appliance Co ltd; Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Intelligent Electrical Appliance Co ltd; Zhejiang Tengen Electric Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-17
Anticipated expiration: 2031-12-28

Abstract

An auxiliary switch device. The main auxiliary switch device who solves at present only sets up a spring, the effect of providing the buffering that can not be fine, the lower problem of life. The method is characterized in that: be equipped with spout (11) on the casing and with spout sliding fit's contact support (4), be equipped with bolster (40) that are used for the iron core to strike buffering atress when supporting on the contact, still include elastic component A (52), elastic component A locates be used for supporting in the spout the contact supports. The utility model provides an auxiliary switch device, wherein a buffer part is used for reducing the impact of an iron core, and an elastic part A is used for supporting a contact and also has the buffer function, so that the double buffer effect is realized, and the using effect is better.

Description

Auxiliary switch device

Technical Field

The utility model relates to the field of switching devices, in particular to an auxiliary switching device.

Background

The auxiliary switch of the low-voltage electrical appliance product on the market mostly comprises a contact support, a movable contact bridge is arranged on the contact support, then the circuit breaking is realized through the stress activity of the contact support, the current contact support mostly only realizes the buffering by arranging a spring at the bottom of the contact support, and the structure can not well protect a contact system, so that the service life is shorter than the expectation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the background art, the utility model provides an auxiliary switch device, which mainly solves the problems that the conventional auxiliary switch device is only provided with a spring, cannot provide a buffering effect well and has a short service life.

The technical scheme adopted by the utility model is as follows:

the utility model provides an auxiliary switch device, includes the casing, be equipped with the movable contact bridge in the casing, be equipped with the spout on the casing and with spout sliding fit's contact supports, be equipped with the bolster that is used for the iron core to cushion the atress when strikeing on the contact supports, still include elastic component A, elastic component A locates be used for supporting in the spout the contact supports.

And the contact support is also provided with an elastic part B for supporting the movable contact bridge.

At least one of the elastic part B and the elastic part A is a truncated cone spring.

The contact support comprises a support and a guide rod, a blocking wall is arranged in the shell, and a guide hole in sliding fit with the guide rod is formed in the blocking wall.

The elastic piece A is sleeved outside the guide rod, one end of the elastic piece A is in contact with the bottom of the support, and the other end of the elastic piece A is in contact with the top of the blocking wall.

The movable contact bridge comprises mounting pieces arranged at two ends of the movable contact bridge and a boss formed by protruding middle ends of the movable contact bridge, and a movable contact is arranged on the mounting pieces.

The inner wall of the bottom of the boss is provided with a fixed seat, and the part B of the elastic piece is sleeved outside the fixed seat.

The side wall of the boss is provided with a guide groove, and the contact support is provided with a bulge which is in sliding fit with the guide groove.

Still be equipped with the static contact in the casing, be equipped with spacing boss on the static contact, be equipped with in the casing with spacing recess of spacing boss looks adaptation.

The static contact piece comprises a bottom piece, a support piece connected with the bottom piece and a top piece connected with the support piece, a mounting seat is arranged in the shell, a positioning groove is formed in the mounting seat, the bottom piece is partially matched with the positioning groove in an inserting mode, and a static contact is arranged on the top piece.

The mounting seat with still be equipped with the spacing groove between the shells inner wall, prop up the piece part and locate the spacing inslot and with spacing groove spacing cooperation.

The utility model has the beneficial effects that: the utility model provides an auxiliary switch device, wherein a buffer part is used for reducing the impact of an iron core, an elastic part A is used for supporting a contact and also plays a role in buffering, double buffering is realized, and the using effect is better.

Drawings

Fig. 1 is an exploded view of one embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention.

Fig. 3 is a schematic perspective view of a movable contact bridge according to an embodiment of the present invention.

Figure 4 is a perspective view of a contact support according to one embodiment of the present invention.

Fig. 5 is a partial perspective view of one embodiment of the present invention.

Fig. 6 is a schematic illustration of a partial explosion according to an embodiment of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, an auxiliary switch device, including casing 1, be equipped with movable contact bridge 2 in the casing, be equipped with spout 11 on the casing and with spout sliding fit's contact support 4, be equipped with the bolster 40 that is used for the iron core to cushion the atress when assaulting on the contact support, still include elastic component A52, elastic component A locates be used for supporting in the spout the contact supports.

In the utility model, as shown in the figure, the contact support is also provided with an elastic piece B51 for supporting the movable contact bridge.

This contact support can partially locate the casing and be used for the atress outward, also can additionally install a driving medium and be used for driving this contact support activity, the contact support is in the spout internalization, elastic component A that says so here locates in the spout, can locate the bottom of spout, also can set up arbitrary backup pad in the spout and realize the installation and place elastic component A, elastic component B and elastic component A can be other materials or the spare part that can realize cushioning effect such as spring or shell fragment, elastic component B is used for supporting the movable contact bridge, make movable contact and the contact that the static contact on the movable contact bridge can be better, and provide buffering effect, impact between movable contact and the static contact when reducing the combined floodgate. This bolster can be made for rubber for the impact force of buffering iron core specifically can support the top at the contact and set up mounting groove 401, then packs into the bolster, can adopt modes such as joint, bonding installation.

In the present invention, as shown in the drawings, at least one of the elastic member B and the elastic member a is a truncated cone spring. Preferably, the elastic part A is a truncated cone spring (also called a tower-shaped spring), so that the installation is more stable, and the buffering effect is better.

In the present invention, as shown in the figure, the contact support includes a bracket 41 and a guide rod 42, a blocking wall 12 is provided in the housing, and a guide hole 121 slidably engaged with the guide rod is provided on the blocking wall. This guide bar is movable in the through-hole for the guide effect when the contact supports the activity makes the motion more reliable, is difficult for appearing rocking, and this guiding hole can be the through-hole, and this guide bar can pass.

In the present invention, as shown in the figure, the elastic member a is sleeved outside the guide rod, one end of the elastic member a contacts with the bottom of the bracket, and the other end contacts with the top of the blocking wall. The elastic piece A is sleeved outside the guide rod to realize positioning, and the bottom of the support bracket realizes the supporting function of the support contact.

In the utility model, as shown in the figure, the movable contact bridge comprises mounting pieces 21 arranged at two ends and a boss 22 formed by a middle end bulge, and a movable contact 211 is arranged on the mounting pieces. The movable contact bridge is in a convex structure with a high middle and two low ends in appearance, the strength is high, the mechanical performance requirements can be better met, and the movable contact bridge has the advantages that the deformation is small, the contact pressure is not easy to change, and the service life is ensured.

In the present invention, as shown in the figure, the inner wall of the bottom of the boss is provided with a fixing seat 221, and the elastic member B is partially sleeved outside the fixing seat. The contact support can be provided with a similar fixed seat to realize the fixed installation of the elastic part B, and the structure is simple and the assembly is convenient.

In the present invention, as shown in the figure, the side wall of the boss is provided with a guide slot 222, and the contact support is provided with a protrusion 43 which is in sliding fit with the guide slot. The guide groove and the protrusion can guide the action of the movable contact bridge, and the movable contact bridge is prevented from being inclined.

In the utility model, as shown in the figure, a static contact 5 is also arranged in the shell, a limiting boss 50 is arranged on the static contact, and a limiting groove 13 matched with the limiting boss is arranged in the shell. Can form certain spacing effect to the static contact through a plurality of spacing bosss, can prevent rocking of static contact, on the other hand also is fairly simple when the assembly.

In the present invention, as shown in the figure, the static contact includes a bottom plate 51, a support plate 52 connected to the bottom plate, and a top plate 53 connected to the support plate, the housing is provided with a mounting seat 14, the mounting seat is provided with a positioning groove 141, the bottom plate is partially inserted into and matched with the positioning groove, and the top plate is provided with a static contact 531. From the outward appearance, this static contact is the C font, and further, the top piece, a branch piece and a film an organic whole are bent and are formed, and two adjacent be the vertically structure to this film one end stretches into the constant head tank and realizes fixing, and the effectual static contact form of having guaranteed makes its performance more reliable and more stable.

In the present invention, as shown in the figure, a limiting groove 142 is further provided between the mounting seat and the inner wall of the housing, and the support piece portion is disposed in the limiting groove and is in limiting fit with the limiting groove. The two ends of the supporting piece are limited with the inner wall of the limiting groove, and the installation stability is further improved.

The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. The utility model provides an auxiliary switch device, includes casing (1), be equipped with movable contact bridge (2) in the casing, its characterized in that: be equipped with spout (11) on the casing and with spout sliding fit's contact supports (4), be equipped with on the contact supports and be used for the iron core to strike when buffering the bolster (40) of atress, still include elastic component A (52), elastic component A locates be used for supporting in the spout the contact supports.

2. An auxiliary switching device according to claim 1, wherein: the contact support is also provided with an elastic part B (51) for supporting the movable contact bridge.

3. An auxiliary switching device according to claim 2, wherein: at least one of the elastic part B and the elastic part A is a truncated cone spring.

4. An auxiliary switching device according to claim 1, wherein: the contact support comprises a support (41) and a guide rod (42), a blocking wall (12) is arranged in the shell, and a guide hole (121) in sliding fit with the guide rod is formed in the blocking wall.

5. An auxiliary switching device according to claim 1, wherein: the movable contact bridge comprises mounting pieces (21) arranged at two ends and a boss (22) formed by middle-end protrusion, and a movable contact (211) is arranged on the mounting pieces.

6. An auxiliary switching device according to claim 5, wherein: the inner wall of the bottom of the boss is provided with a fixed seat (221), and the part B of the elastic part is sleeved outside the fixed seat.

7. An auxiliary switching device according to claim 5, wherein: the side wall of the boss is provided with a guide groove (222), and the contact support is provided with a bulge (43) in sliding fit with the guide groove.

8. An auxiliary switching device according to claim 1, wherein: still be equipped with static contact (5) in the casing, be equipped with spacing boss (50) on the static contact, be equipped with in the casing with spacing recess (13) of spacing boss looks adaptation.

9. An auxiliary switching device according to claim 8, wherein: the static contact piece comprises a bottom piece (51), a support piece (52) connected with the bottom piece and a top piece (53) connected with the support piece, a mounting seat (14) is arranged in the shell, a positioning groove (141) is formed in the mounting seat, the bottom piece portion is in splicing fit with the positioning groove, and a static contact (531) is arranged on the top piece.

10. An auxiliary switching device according to claim 9, wherein: a limiting groove (142) is further formed between the mounting seat and the inner wall of the shell, and the support piece is partially arranged in the limiting groove and is in limiting fit with the limiting groove.