CN209785847U - wear-resisting silent contactor contact supporting device - Google Patents

wear-resisting silent contactor contact supporting device Download PDF

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Publication number
CN209785847U
CN209785847U CN201920488587.3U CN201920488587U CN209785847U CN 209785847 U CN209785847 U CN 209785847U CN 201920488587 U CN201920488587 U CN 201920488587U CN 209785847 U CN209785847 U CN 209785847U
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China
Prior art keywords
wear
resistant
contact support
contactor
guide
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CN201920488587.3U
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Chinese (zh)
Inventor
杨成锦
麦海婷
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Xiamen Hongfa Electrical Safety and Controls Co Ltd
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Xiamen Hongfa Electrical Safety and Controls Co Ltd
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Abstract

The utility model relates to a contactor contact support device of wear-resisting silence is provided with at the inner chamber of base and hinders the guide part that grinds, with the cooperation of the setting element that hinders that the contact supported uses, and can be according to the implementation demand, like wear-resisting grade, select to use wear-resisting material, and then reduce the contact and support the motion in-process, friction, the collision that take place on contact support and base reduce because of the dust that friction, collision produced, realize reducing the operating noise of contactor, guarantee the effective work of contactor. Simultaneously, the setting of hindering wearing the guide part promotes the smoothness nature that the contact supported the motion, slows down the iron core collision, helps improving the mechanical life of contactor. The utility model discloses in, hinder and grind the guide piece, hinder and grind the setting element and all can realize exempting from the nail installation to can realize the dismouting operation fast, effectively promote production efficiency, and the later maintenance of being convenient for is changed. Furthermore, the utility model discloses during the implementation, can choose for use more common material, can simplify structural design again, simplify assembly process, reduce cost.

Description

wear-resisting silent contactor contact supporting device
Technical Field
The utility model relates to a contactor technical field, more specifically say, relate to a contactor contact strutting arrangement of wear-resisting silence.
Background
when traditional contactor moved, because friction, collision produced the dust between contact support and the base, and then caused the dust to pile up at the frequent action in-process of contactor for contactor production noise, and the use that influences contactor.
in order to solve the problems of the traditional contactor due to friction and collision, the Chinese utility model patent 201621015991.1 discloses a contactor contact supporting device, which comprises a contact support, wherein a pin hole for connecting an armature is arranged on the contact support, the contact support is provided with a circular bead which is impacted with a shell, the upper surface of the circular bead is an impact surface, a lateral anti-abrasion piece is arranged on the side surface of the circular bead and extends to the two ends of the circular bead, a buffer part of the lateral anti-abrasion piece is formed on the impact surface of the circular bead, and the pin hole supported by the contact is far away from the buffer part.
Above-mentioned utility model although can play the effect that certain suppression dust produced, nevertheless because the setting element of only both sides is wear-resisting material, other matched with parts are not wear-resisting, still produces the dust because of friction, collision easily. Further, since the side wear inhibitors provided on the side surface of the shoulder have a small size, the size of the side wear inhibitors must be small, and the service life thereof is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provide one kind and can further avoid base, contact to support because the contactor action produces the dust, reduce contactor working noise, improve self working life and the mechanical life's of contactor contact support device of wear-resisting silence.
The technical scheme of the utility model as follows:
The utility model provides a wear-resisting silence contactor contact support device, includes contact support, base, and the contact supports the inner chamber that the movable sleeve located the base, and the inner chamber lateral wall is provided with hinders and grinds the guide part, hinders to grind the guide part and cover in the inner chamber lateral wall along the motion direction that the contact supported.
Preferably, the wear-resistant guide part is a wear-resistant guide sleeve arranged along the periphery of the inner cavity.
Preferably, the wear-resistant guide part comprises a plurality of wear-resistant guide plates, and the wear-resistant guide plates are arranged on the side wall of the inner cavity corresponding to the friction positions supported by the contact.
Preferably, the wear-resistant guide comprises two wear-resistant guide covers, each of which is arranged in correspondence with a respective one of the two impact shoulders supported by the contacts.
Preferably, the wear guide comprises two wear guide housings, each of which is arranged in correspondence with a respective end of the two impact shoulders supported by the contacts in the same direction.
Preferably, the wear-resistant guide piece and the base are installed in a matched mode through a dovetail groove and a dovetail joint, or installed in a matched mode through a T-shaped groove and a T-shaped rib, or installed in a matched mode through a jack and a bolt.
preferably, the bottom end of the abrasion-resistant guide piece is provided with a clamping hook, and the clamping hook is buckled at the bottom end of the base after the abrasion-resistant guide piece is installed in place.
Preferably, the impact shoulder of the contact support is provided with a wear-resistant positioning piece, and the wear-resistant guide piece and the wear-resistant positioning piece are arranged oppositely.
Preferably, the wear-resistant positioning piece comprises a plurality of friction parts, and the friction parts are arranged on the contact support corresponding to the wear-resistant guide piece.
Preferably, the wear-resistant positioning piece further comprises a plurality of buffer parts, and the buffer parts are arranged on the upper surface of the impact shoulder.
Preferably, the friction portion and the cushioning portion provided in the same impact shoulder are provided as a side wear inhibitor of an integral structure.
preferably, the friction part and the buffer part which are respectively arranged at the same-direction end parts of the different impact shoulders are provided with an end part wear-resisting piece with an integrated structure.
Preferably, the end wear block extends beyond the clamping arm along the side of the impact shoulder.
the utility model has the advantages as follows:
Contactor contact support device of wear-resisting silence, be provided with at the inner chamber of base and hinder the wearing guide, and can be according to the implementation demand, like wear-resisting grade, select to use wear-resisting material, and then reduce the contact and support in the motion process, friction, the collision that take place on contact support and base reduce because of the dust that friction, collision produced, realize reducing the working noise of contactor, guarantee the effective work of contactor. Simultaneously, the setting of hindering wearing the guide part promotes the smoothness nature that the contact supported the motion, slows down the iron core collision, helps improving the mechanical life of contactor. Compared with the prior art that only hinders the piece in the side direction of circular bead side, the utility model discloses a hinder and grind the guide because the inner chamber size of base is great, and it is also great to have decided to hinder the size that grinds the guide, can provide more permanent wear resistance, possesses longer structural life. And, wear the guide piece with the resistance of base and the cooperation of the locating piece that wear that hinders that the contact supported use, can further promote the effect that suppresses the dust production, reduce the operating noise, prolong the mechanical life of self working life and contactor.
The utility model discloses in, hinder and grind the guide piece, hinder and grind the setting element and all can realize exempting from the nail installation to can realize the dismouting operation fast, effectively promote production efficiency, and the later maintenance of being convenient for is changed. Furthermore, the utility model discloses during the implementation, can choose for use more common material, can simplify structural design again, simplify assembly process, reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the structure of example 1;
FIG. 3 is a schematic view showing an assembling relationship between the wear-resistant positioning member and the wear-resistant guide member in embodiment 1;
FIG. 4 is a schematic structural view of a wear-resistant positioning member according to embodiment 1;
FIG. 5 is a schematic structural view of a contact holder according to embodiment 1;
FIG. 6 is an enlarged schematic view of detail A of FIG. 5;
FIG. 7 is a schematic view of a wear-resistant guide plate structure of embodiment 1;
FIG. 8 is a schematic view showing the assembly of the base and the wear-resistant guide plate of embodiment 1;
FIG. 9 is an enlarged schematic view of detail B of FIG. 8;
FIG. 10 is a schematic view of the wear-resistant guide plate of example 1 in a state in which it is mounted in place;
FIG. 11 is an enlarged schematic view of detail C of FIG. 10;
FIG. 12 is another schematic structural view of the wear-resistant guide plate of embodiment 1;
FIG. 13 is a schematic view showing still another structure of the wear-resistant guide plate of embodiment 1;
FIG. 14 is a schematic structural view of a wear-resistant guide sleeve of embodiment 2;
FIG. 15 is another schematic structural view of the wear-resistant guide bush of embodiment 2;
FIG. 16 is a schematic structural view of a wear-resistant guide cap of embodiment 3;
FIG. 17 is another schematic structural view of a wear-resistant guide cap of embodiment 3;
FIG. 18 is a schematic structural view of a wear prevention guide cover according to embodiment 4;
FIG. 19 is another schematic structural view of the wear-resistant guide cover of embodiment 4;
FIG. 20 is a schematic structural view of a wear prevention positioning member according to embodiment 5;
FIG. 21 is a schematic structural view of a wear prevention positioning member according to embodiment 6;
FIG. 22 is another schematic structural view of a wear prevention positioning member according to embodiment 6;
In the figure: the contact comprises a contact support 10, an impact shoulder 101, an embedded groove 102, a groove 103, a clamping boss 104, a clamping hole 105, a clamping groove 106, a pin hole 107, a base 11, a guide post 111, a dovetail groove 112, a base 12, a wear-resistant guide plate 20, a reinforcing rib 201, a wear-resistant guide sleeve 21, a wear-resistant guide cover 22, a wear-resistant guide cover 23, a dovetail 24, a plug 25, a T-shaped rib 26, a clamping hook 27, a wear-resistant positioning piece 30, an end wear-resistant piece 301, a buffer part 31, a friction part 32, a connecting rod 33, a clamping hole 34, a clamping jaw 35, a clamping buckle 36, a sealing cover 37 and a clamping arm 38.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a solve that prior art exists because friction, collision produce the dust, cause the contactor dust to pile up for the contactor produces noise at work, and influence contactor life-span etc. not enough, provide a contactor contact support device of wear-resisting silence, through setting up the guide that hinders to grind, rub, the collision protection to the base, avoid the dust to produce, further improve the mechanical life of product moreover.
A wear-resistant and mute contactor contact supporting device is shown in figure 1 and comprises a contact support 10, a base 11 and a base 12, wherein the contact support 10 is movably sleeved in an inner cavity of the base 11, and the base 12 is arranged at the bottom end of the base 11. The side wall of the inner cavity is provided with a wear-resistant guide part, and the wear-resistant guide part covers the side wall of the inner cavity along the movement direction of the contact support 10. Wherein, hinder and grind the guide and support the friction position direct contact of 10 with the contact, and then when avoiding the contactor action, contact support 10 and base 11 all are not by direct friction or striking, and then can avoid or reduce the production of dust. Because the inner cavity of the base 11 is generally large in size and high in height, when the wear-resistant guide part covers the side wall of the inner cavity along the movement direction of the contact support 10, a wear-resistant area with a long size can be realized; moreover, the larger size provides longer wear resistance, which in turn extends the working life of the contactor itself and the mechanical life of the contactor.
Further, in order to further prolong the mechanical life of self working life and contactor, the utility model provides a two hinder and grind the structure, the striking circular bead 101 that the contact supported 10 promptly is provided with hinders and grinds setting element 30, hinders to grind the guide and hinders and grind setting element 30 and set up in opposite directions. The wear-resistant guide member directly contacts with the wear-resistant positioning member 30, so that the contact support 10 and the base 11 are not directly rubbed or impacted when the contactor acts, and dust can be prevented or reduced. Under the dual function of the anti-abrasion guide part and the anti-abrasion positioning part 30, the working life of the contactor can be further prolonged, the mechanical life of the contactor can be further prolonged, the generation of dust can be further inhibited, and the working noise can be further reduced.
In general, the contact support 10 and the base 11 are made of thermosetting material, so that dust is easily generated during friction and collision, and in order to avoid the generation of dust, the wear-resistant guide and the wear-resistant positioning member 30 are made of more wear-resistant material, such as nylon, or other thermoplastic material with higher wear resistance than thermosetting material, and the thermoplastic material may be one or any combination of the following: polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide, acrylics, other polyolefins and copolymers thereof, polysulfone, polyphenylene oxide, and the like. If the contact support 10 and the base 11 are made of thermoplastic materials by means of material replacement in order to improve the wear resistance of the contact support 10 and the base 11, serious defects in other respects, such as short life, poor performance, etc., may occur due to the high requirements of the contact support 10 and the base 11 for temperature resistance and arc resistance. The positions of the wear-resistant guide part and the wear-resistant positioning part 30 have low requirements on temperature resistance and electric arc resistance, so that the performance requirements on the aspects of service life, performance and the like can be met by adopting the thermoplastic material. Accordingly, the present invention is directed to a contactor contact support 10 device that is particularly directed to a contact support 10 and a base 11 that are made of a thermoset material.
The wear-resistant guide and the base 11 are installed without nails, and include but are not limited to the following structures: the wear-resistant guide piece is matched and installed with the base 11 through the dovetail groove 112 and the dovetail 24, or through a T-shaped groove and a T-shaped rib 26, or through a jack and a bolt. The bottom of the wear-resistant guide piece is provided with a clamping hook 27, and after the wear-resistant guide piece is installed in place, the clamping hook 27 is buckled at the bottom of the base 11. The wear-resistant guide is fixed by assembling the base 12 and the base 11.
Based on the technical principle, the utility model discloses only need in theory to hinder and grind setting element 30 fixed mounting in contact support 10, will hinder and grind the guide and install in base 11, then through hinder grind the guide with hinder grind setting element 30 and contact, rub and the direction can. Furthermore, the wear-resistant guide member and the wear-resistant positioning member 30 can be designed to have different structures according to implementation requirements.
Example 1
In this embodiment, the wear-resistant guide member includes a plurality of wear-resistant guide plates 20, and the wear-resistant guide plates 20 are disposed on the side wall of the inner cavity corresponding to the friction position of the contact support 10. In the present embodiment, the friction portion 32 of the wear-resistant positioning member 30 is used as the friction position of the contact support 10, i.e., the wear-resistant guide plate 20 corresponds to the friction portion 32 of the wear-resistant positioning member 30. The inner cavity of the base 11 is provided with four guide posts 111, which enclose a guide channel, and in this embodiment, the side wall of the inner cavity is the side wall of the guide post 111. The wear-resistant positioning member 30 includes a plurality of friction portions 32 and a plurality of buffer portions 31, the friction portions 32 are disposed on the contact support 10 corresponding to the wear-resistant guide member, the buffer portions 31 are disposed on the upper surface of the striking shoulder 101, the friction portions 32 are disposed on the side of the striking shoulder 101 facing the wear-resistant guide member, and the buffer portions 31 and the friction portions 32 are both protruded from the surface of the striking shoulder 101. In this embodiment, the friction portion 32 and the cushioning portion 31 provided on the same striking shoulder 101 are provided as a side wear prevention member of an integrated structure. The wear-resistant guide is installed with the base 11 through the dovetail groove 112 and the dovetail 24 in a matching manner.
Specifically, as shown in fig. 2 and 3, the two sides of the contact support 10 are respectively provided with a protruding impact shoulder 101, the wear-resistant guide comprises four wear-resistant guide plates 20, and the wear-resistant positioning member 30 comprises two lateral wear-resistant members. As shown in fig. 4, each lateral wear block includes two friction portions 32, two cushioning portions 31. The side wear-resistant member is disposed on a side surface of the impact shoulder 101 and extends along a length direction of the impact shoulder 101, the two buffering portions 31 respectively cover an upper surface of an end portion of the impact shoulder 101, that is, the buffering portions 31 are disposed at two ends of the side wear-resistant member, wherein the buffering portions 31 and the friction portions 32 are symmetrically disposed about a center of the side wear-resistant member. The buffer portion 31 is provided at both ends of the link 33, and the friction portion 32 is provided at a bottom end of the buffer portion 31.
as shown in fig. 5, in the present embodiment, the contact support 10 is connected to the armature through the shaft hole, and correspondingly, the bottom end of the contact support 10 is provided with the pin hole 107, and the buffer portion 31 is disposed away from the pin hole 107, so that the stress generated when the impact and the rebound are released is away from the pin hole 107, so as to provide a stronger impact resistance and obtain a longer mechanical life.
the side surface of the impact shoulder 101 of the contact support 10 is provided with an embedded groove 102 for accommodating the connecting rod 33 of the lateral wear-resistant piece, the embedded groove 102 extends to two ends of the impact shoulder 101, two sides of the contact support 10 are provided with grooves 103 corresponding to the friction parts 32, and the grooves 103 are internally provided with clamping bosses 104 for clamping the friction parts 32 of the lateral wear-resistant piece. The friction part 32 is provided with a clamping hole 34 corresponding to the clamping boss 104, and the clamping boss 104 and the clamping hole 34 form nested connection, so that the connection strength of the lateral wear-resistant piece is further enhanced. The connecting rod 33 of the lateral wear block is provided with two claws 35 towards the insert groove 102 for cooperating with the clamping holes 105 of the insert groove 102. The connecting rod 33 is provided with a sealing cover 37 corresponding to the pin hole 107, after the connecting rod 33 is installed in place, the sealing cover 37 is covered on the pin hole 107, and the connecting rod 33 is tightly attached to the embedded groove 102. The lower part of the buffer part 31 of the lateral wear-resistant piece is connected with a buckle 36 which extends towards the contact support and is upward, as shown in fig. 6, the lower surface of the impact shoulder 101 is provided with a clamping groove 106 corresponding to the buckle 36, and the buckle 36 and the clamping groove 106 are buckled to further enhance the connection strength of the lateral wear-resistant piece.
as shown in fig. 7, 8, 9, 10, and 11, a dovetail 24 is provided at the top end of the wear-resistant guide plate 20, corresponding to the dovetail 24, the inner cavity side wall of the base 11 encloses a dovetail groove 112 through two corresponding bumps, a hook 27 is provided at the bottom end of the wear-resistant guide plate 20, and the tail of the hook 27 is bent upward. After the wear-resistant guide plate 20 is installed in place, the dovetail 24 is matched with the dovetail groove 112, the hook 27 is just propped against and hooked at the bottom end of the inner cavity side wall, and then the fixing position is carried out through the connection of the base 12 and the base 11. In order to enhance the structural strength of the wear-resistant guide plate 20, a plurality of reinforcing ribs 201 are arranged on the back side of the wear-resistant guide plate 20 and towards one side of the wear-resistant piece.
As a similar structure, as shown in fig. 12, a plug is provided at the top end of the abrasion-resistant guide plate 20, a jack is provided at the side wall of the inner cavity of the base 11 corresponding to the plug, a hook 27 is provided at the bottom end of the abrasion-resistant guide plate 20, and the tail of the hook 27 is bent upward and hooked. After the wear-resistant guide plate 20 is installed in place, the plug is inserted into the jack in a matching manner.
As another similar structure, as shown in fig. 13, a T-shaped rib 26 is provided on the side surface of the wear-resistant guide plate 20 along the length direction, a T-shaped groove is provided on the sidewall of the inner cavity of the base 11 along the height direction corresponding to the T-shaped rib 26, and no hook 27 is provided at the bottom end of the wear-resistant guide plate 20.
Example 2
In this embodiment, the wear-resistant guide member is a wear-resistant guide sleeve 21 disposed along the circumference of the inner cavity.
as shown in fig. 14, the wear-resistant guide sleeve 21 is provided with four dovetails 24 corresponding to the dovetail grooves 112 of the base 11, four hooks 27 are respectively provided at the bottom end of the wear-resistant guide sleeve 21, and the tail portions of the hooks 27 are not bent upward.
As a similar structure, as shown in fig. 15, the wear-resistant guide sleeve 21 is provided with four "T" shaped ribs 26 corresponding to the "T" shaped groove of the base 11, wherein the "T" shaped ribs 26 extend along the height direction of the wear-resistant guide sleeve 21, and correspondingly, the "T" shaped groove extends along the height direction of the base 11. The bottom end of the wear-resistant guide sleeve 21 is not provided with a clamping hook 27.
Example 3
In this embodiment, the wear-resistant guide member includes two wear-resistant guide covers 22, each wear-resistant guide cover 22 is disposed corresponding to two striking shoulders 101 of the contact support 10, and the wear-resistant positioning member 30 is disposed corresponding to the wear-resistant guide cover 22 and the striking shoulders 101.
As shown in fig. 16, each wear-resistant guide cover 22 is provided with four dovetails 24 corresponding to the dovetail grooves 112 of the base 11, and the bottom end of the wear-resistant guide cover 22 is not provided with the hooks 27.
As a similar structure, as shown in fig. 17, two "T" shaped ribs 26 are provided at the middle position of each wear-resistant guide cover 22 along the height direction, four "T" shaped grooves are provided at the base 11 along the height direction corresponding to the "T" shaped ribs 26, and no hook 27 is provided at the bottom end of the wear-resistant guide cover 22.
example 4
in this embodiment, the wear-resistant guide member includes two wear-resistant guide covers 23, each wear-resistant guide cover 23 is disposed corresponding to the end portion of the two striking shoulders 101 of the contact support 10 in the same direction, and the wear-resistant positioning member 30 is disposed corresponding to the wear-resistant guide cover 23 at the end portion of the striking shoulder 101 in the same direction.
As shown in fig. 18, the wear-resistant guide cap 23 has a "u" shape structure, and can be wrapped around the ends of the two impact shoulders 101 and extend to the side surfaces of the impact shoulders 101, wherein a dovetail 24 is provided at the position of the wear-resistant guide cap 23 on the side surfaces of the impact shoulders 101, and four dovetail grooves 112 are provided in the base 11 corresponding to the dovetail 24. The bottom of the wear-resistant guide cover 23 is provided with two hooks 27, and the tail parts of the hooks 27 are bent upwards and hooked.
As a similar structure, as shown in fig. 19, the wear-resistant guide cap 23 is a "u" shaped structure, which can be wrapped around the ends of the two striking shoulders 101 and extend to the sides of the striking shoulders 101, wherein a "T" shaped rib 26 is provided along the height direction on the outer wall of the end of the wear-resistant guide cap 23 facing the striking shoulders 101, and the base 11 is provided with two "T" shaped grooves corresponding to the "T" shaped rib 26. The bottom end of the wear-resistant guide cover 23 is not provided with a clamping hook 27.
Since the wear-resistant guide members of the embodiments 1, 3, and 4 are split structures, theoretically, wear-resistant guide members of different embodiments can be used in combination according to implementation requirements, such as the similar structures of each embodiment, or the wear-resistant guide plate 20 of the embodiment 1, the wear-resistant guide cover 22 of the embodiment 3, and the wear-resistant guide cover 23 of the embodiment 4.
Example 5
unlike the wear-resistant retainer 30 of embodiment 1, as shown in fig. 20, in the present embodiment, only four friction portions 32 and two covers 37 are provided.
Example 6
Unlike the wear-resistant retainer 30 of embodiment 1, in the present embodiment, as shown in fig. 21, the friction portion 32 and the buffer portion 31 respectively provided at the opposite ends of the different striking shoulders 101 are provided as the end wear-resistant member 301 having an integral structure. This embodiment is adapted for use with a wear-resistant guide housing 23, the contact being made at a position towards the end of the impact shoulder 101.
As a similar construction, the end wear block 301 extends beyond the snap-fit arms 38 along the sides of the impact shoulder 101 as shown in FIG. 22. The side of the impact shoulder 101 opposite the snap wall is provided with a snap groove 102 for receiving the snap arm 38 of the end wear resistor 301 to further enhance the mounting strength of the end wear resistor 301.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the claims of the present invention, as long as they are in accordance with the technical spirit of the present invention.

Claims (13)

1. The wear-resistant and mute contactor contact supporting device comprises a contact support, a base and a base, wherein the contact support is movably sleeved in an inner cavity of the base.
2. The wear resistant, noise free contactor contact support device of claim 1, wherein the wear resistant guide is a wear resistant guide sleeve disposed around the circumference of the inner cavity.
3. the wear-resistant silent contactor contact support device of claim 1, wherein the wear-resistant guide member comprises a plurality of wear-resistant guide plates disposed on the side wall of the inner cavity corresponding to the friction position of the contact support.
4. A wear-resistant silent contactor contact support device as claimed in claim 1, characterized in that the wear-resistant guide comprises two wear-resistant guide covers, each of which is arranged to correspond to a respective one of the two impact shoulders of the contact support.
5. a wear-resistant silent contactor contact support device as claimed in claim 1, characterized in that the wear-resistant guide comprises two wear-resistant guide covers, each of which is arranged in correspondence with the co-directional ends of two impact shoulders of the contact support.
6. A wear resistant and noise reducing contactor contact support apparatus as claimed in any one of claims 2 to 5, wherein the wear resistant guide is mounted in dovetail, dovetail fit, or "T" groove, "T" rib fit, or blind hole, socket fit.
7. The wear-resistant and noise-reducing contactor contact supporting device as claimed in claim 6, wherein the bottom end of the wear-resistant guide is provided with a hook, and the hook is buckled on the bottom end of the base when the wear-resistant guide is installed in place.
8. a wear-resistant silent contactor contact support device as claimed in any one of claims 2 to 5, wherein the impact shoulder of the contact support is provided with a wear-resistant positioning member, and the wear-resistant guide member is disposed opposite to the wear-resistant positioning member.
9. The wear-resistant silent contactor contact support device of claim 8, wherein the wear-resistant positioning member comprises a plurality of friction portions, and the friction portions are disposed on the contact support corresponding to the wear-resistant guide member.
10. The wear resistant, noise free contactor contact support device of claim 9, wherein the wear resistant locating member further comprises a plurality of bumpers disposed on the upper surface of the impact shoulder.
11. a wear-resistant silent contactor contact holder as claimed in claim 10, wherein the friction portion and the cushioning portion provided on the same striking shoulder are provided as a lateral wear-resistant member of an integral structure.
12. a wear-resistant silent contactor contact holder as claimed in claim 10, wherein the friction part and the buffer part respectively provided at the same-direction end parts of the different impact shoulders are provided as an end part wear-resistant member of an integrated structure.
13. A wear resistant silent contactor contact holder as claimed in claim 12, wherein the end wear block extends a snap arm along the side of the impact shoulder.
CN201920488587.3U 2019-04-11 2019-04-11 wear-resisting silent contactor contact supporting device Active CN209785847U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110211843A (en) * 2019-04-11 2019-09-06 厦门宏发开关设备有限公司 A kind of wear-resisting mute contactor head supporting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110211843A (en) * 2019-04-11 2019-09-06 厦门宏发开关设备有限公司 A kind of wear-resisting mute contactor head supporting apparatus

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