CN217641014U

CN217641014U - Movable contact of elevator switch

Info

Publication number: CN217641014U
Application number: CN202220884969.XU
Authority: CN
Inventors: 李德成; 董琴辉; 董林; 田雪冬; 绍海; 陈郑意
Original assignee: Wenzhou Zhongtong Alloy Material Technology Co ltd
Current assignee: Wenzhou Zhongtong Alloy Material Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-10-21
Anticipated expiration: 2032-04-14

Abstract

The utility model belongs to the field of electrical switches, in particular to a movable contact of an elevator switch, which comprises a movable contact switch; four mounting grooves are formed in the side wall of the movable contact switch and are symmetrically arranged along the center line of the movable contact switch; the top of the mounting groove is provided with a conductive block; a sliding column is connected inside the movable contact switch in a sliding manner; the end part of the sliding column is fixedly connected with a bearing block; the other end of the sliding column is fixedly connected with a sliding plate; the sliding plate is connected in the movable contact switch in a sliding manner; the top of the sliding plate is fixedly connected with a first spring; the end part of the first spring is fixedly connected to the side wall of the movable contact switch; through reverse tooth to the sliding plate card establish, and then carry out fixed structural design to the wire through the bearing block, realized can so that the dynamics of fixed wire is more stable function, effectually solved and fixed the wire through the bolt, cause the problem of damage easily to the wire.

Description

Movable contact of elevator switch

Technical Field

The utility model relates to an electrical switch field specifically is an elevator switch movable contact.

Background

The movable contact switch is a common switch device, and can utilize a conducting strip to make back and forth movable contact between a normally open contact and a normally closed contact, so as to realize the function of opening and closing a circuit.

In the process of installing the lead on the movable contact switch, the lead needs to be fixed on the contact switch through a bolt, the fixed force is not easy to control through the bolt fixation, and when the force is too large, the lead is easy to be damaged; therefore, the movable contact of the elevator switch is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the deficiency of prior art, solve the problem that proposes in the background art, the utility model provides an elevator switch movable contact.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an elevator switch movable contact, which comprises a movable contact switch; four mounting grooves are formed in the side wall of the movable contact switch and are symmetrically arranged along the center line of the movable contact switch; the top of the mounting groove is provided with a conductive block; a sliding column is connected inside the movable contact switch in a sliding manner; the end part of the sliding column is fixedly connected with a bearing block; the other end of the sliding column is fixedly connected with a sliding plate; the sliding plate is connected in the movable contact switch in a sliding manner; the top of the sliding plate is fixedly connected with a first spring; the end part of the first spring is fixedly connected to the side wall of the movable contact switch; the inside of the movable contact switch is hinged with reverse teeth; the reverse teeth are arranged at the positions corresponding to the sliding plates; a first elastic sheet is fixedly connected between the reverse tooth and the movable contact switch; the supporting block can be better in the fixing effect on the lead.

Preferably, a push block is slidably connected to the inside of the movable contact switch; a pull ring is connected to the side wall of the reverse tooth far away from the hand push block in a sliding manner; a pushing right-angle rod is connected inside the movable contact switch in a sliding manner; the pushing right-angle rod is inserted into the pull ring; the hand push block exposes the side wall of the movable contact switch; the end part of the pushing right-angle rod is fixedly connected to the side wall of the hand push block; a second spring is fixedly connected to the side wall of the hand push block; the end part of the second spring is fixedly connected to the side wall of the movable contact switch; a hinged plate is hinged in the movable contact switch; the hinged plate is arranged at a position corresponding to the other reverse tooth; the end part of the hinged plate is arranged at the position corresponding to the hand push block; a second elastic sheet is fixedly connected between the hinged plate and the side wall of the movable contact switch; a pull rope is fixedly connected between the second elastic sheet and the side wall of the reverse tooth; the lead is more convenient to disassemble.

Preferably, the top of the reverse tooth is fixedly connected with an anti-skid bulge; the bottom of the sliding plate is provided with an anti-skidding groove; the anti-skid protrusions and the anti-skid grooves are arranged correspondingly; so that the reverse teeth have better fixing effect on the sliding plate.

Preferably, the top of the bearing block is provided with a contact annular groove; the size of the contact annular groove is arranged corresponding to that of the lead; the lead can be placed on the top of the bearing block, and the situation of sliding is less.

Preferably, the top of the sliding plate is rotatably connected with a plurality of rollers; the roller is arranged at the position corresponding to the reverse teeth; less wear between the slide plate and the counter-tooth can be achieved.

Preferably, the top of the hand-push block is fixedly connected with a positioning block; a positioning groove is formed in the movable contact switch; the positioning block and the positioning groove are arranged correspondingly; the sliding of the push block can be more stable.

The utility model discloses an useful part lies in:

1. the utility model discloses a reverse tooth is blocked the sliding plate and is established, and then carries out the structural design who fixes to the wire through the bearing piece, has realized can be so that the more stable function of dynamics of fixed wire, and effectual solution is fixed the wire through the bolt, causes the problem of damage to the wire easily.

2. The utility model discloses a push away the hand push block for promote right angle pole and promote the pull ring, make the hand push block promote the articulated slab simultaneously, make the second shell fragment deflect the structural design who stimulates reverse tooth, realized making reverse tooth and sliding plate break away from the function of contact, can make the dismantlement of wire more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a movable contact switch according to a first embodiment;

fig. 2 is a front sectional view of a movable contact switch according to a first embodiment;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a sectional top view of a movable contact switch according to the first embodiment

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is an enlarged view taken at D in FIG. 6;

fig. 8 is a schematic structural view of a second embodiment of a sanding skid-proof pad.

In the figure: 1. a movable contact switch; 2. a sliding post; 3. a bearing block; 4. a sliding plate; 5. a first spring; 6. reverse teeth; 7. a first spring plate; 8. a hand push block; 9. pushing the right-angle rod; 10. a second spring; 11. a pull ring; 12. a hinge plate; 13. a second elastic sheet; 14. pulling a rope; 15. anti-skid projections; 16. an anti-slip groove; 17. contacting the annular groove; 18. a roller; 19. positioning blocks; 20. positioning a groove; 21. dull polish slipmat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-7, in the movable contact of the elevator switch, four mounting grooves are formed on the side wall of the movable contact switch 1, and the four mounting grooves are symmetrically arranged along the center line of the movable contact switch 1; the top of the mounting groove is provided with a conductive block; a sliding column 2 is connected inside the movable contact switch 1 in a sliding manner; the end part of the sliding column 2 is fixedly connected with a bearing block 3; the other end of the sliding column 2 is fixedly connected with a sliding plate 4; the sliding plate 4 is connected in the movable contact switch 1 in a sliding way; the top of the sliding plate 4 is fixedly connected with a first spring 5; the end part of the first spring 5 is fixedly connected to the side wall of the movable contact switch 1; the inside of the movable contact switch 1 is hinged with a reverse tooth 6; the reverse teeth 6 are provided at positions corresponding to the slide plate 4; a first elastic sheet 7 is fixedly connected between the reverse tooth 6 and the movable contact switch 1; when the movable contact switch works, when the wire is required to be connected to the movable contact switch 1, the wire can be bent into a ring shape around the sliding column 2, and then the bearing block 3 is pushed into the movable contact switch 1, so that the reverse tooth 6 clamps the sliding plate 4, the wire is fixed through the bearing block 3, the force for the wire to be contacted with the conducting block is more uniform, the bolt force is effectively avoided to be overlarge, the wire is easily damaged, meanwhile, the elastic sliding plate 4 and the reverse tooth 6 of the first spring 5 and the first elastic sheet 7 are mutually pushed, the sliding plate 4 and the reverse tooth 6 can be fixed more firmly, and the fixing effect of the bearing block 3 on the wire is better.

A push block 8 is connected inside the movable contact switch 1 in a sliding manner; a pull ring 11 is connected on the side wall of the reverse tooth 6 far away from the hand push block 8 in a sliding way; a pushing right-angle rod 9 is connected inside the movable contact switch 1 in a sliding manner; the push right-angle rod 9 is inserted into the pull ring 11; the hand push block 8 exposes the side wall of the movable contact switch 1; the end part of the pushing right-angle rod 9 is fixedly connected to the side wall of the hand push block 8; a second spring 10 is fixedly connected to the side wall of the hand pushing block 8; the end part of the second spring 10 is fixedly connected to the side wall of the movable contact switch 1; a hinged plate 12 is hinged in the movable contact switch 1; the hinge plate 12 is arranged at a position corresponding to the other reverse tooth 6; the end part of the hinge plate 12 is arranged at the position corresponding to the hand push block 8; a second elastic sheet 13 is fixedly connected between the hinged plate 12 and the side wall of the movable contact switch 1; a pull rope 14 is fixedly connected between the second elastic sheet 13 and the side wall of the reverse tooth 6; at the during operation, when needing to dismantle the wire, the accessible pushes away hand push block 8, make hand push block 8 push away and push away right angle pole 9, make it pushes away the inside that right angle pole 9 promoted reverse tooth 6 and withdraw into movable contact switch 1, can make hand push block 8 extrusion articulated slab 12 simultaneously, make articulated slab 12 deflect, and then pull the inside that another reverse tooth 6 withdrawed into movable contact switch 1, thereby can make reverse tooth 6 and sliding plate 4 break away from the contact, thereby can make sliding plate 4 kick-back, make bearing block 3 not hard up, and then can dismantle the wire, make the dismantlement of wire more convenient.

The top of the reverse tooth 6 is fixedly connected with an antiskid lug 15; the bottom of the sliding plate 4 is provided with an anti-skidding groove 16; the antiskid protrusions 15 and the antiskid grooves 16 are arranged correspondingly; in operation, when the reverse tooth 6 fixes the sliding plate 4, the contact area between the reverse tooth 6 and the sliding plate 4 is increased by the engagement of the stud 15 and the anti-slip groove 16, so that the friction between the reverse tooth 6 and the sliding plate 4 is increased, and the fixing effect of the reverse tooth 6 to the sliding plate 4 is improved.

The top of the bearing block 3 is provided with a contact annular groove 17; the size of the contact annular groove 17 corresponds to that of the lead; when the wire ring is placed on the top of the bearing block 3 during operation, the contact annular groove 17 can increase the contact area between the wire and the bearing block 3, so that the sliding of the wire is less likely to occur when the wire is placed on the top of the bearing block 3.

The top of the sliding plate 4 is rotatably connected with a plurality of rollers 18; the roller 18 is arranged at a position corresponding to the reverse teeth 6; in operation, during the pushing of the slide plate 4 against the counter gear 6, the rollers 18 may change the sliding friction between the slide plate 4 and the counter gear 6 into rolling friction, so that the friction between the slide plate 4 and the counter gear 6 is smaller, and thus less wear between the slide plate 4 and the counter gear 6 may be achieved.

The top of the hand push block 8 is fixedly connected with a positioning block 19; a positioning groove 20 is arranged in the movable contact switch 1; the positioning block 19 and the positioning groove 20 are arranged correspondingly; when the hand push block 8 is pushed, the positioning groove 20 limits the positioning block 19, so that the hand push block 8 is less inclined in the sliding process, and the sliding of the hand push block 8 is more stable.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present invention, a frosted anti-slip pad 21 is fixedly connected to the top of the reverse tooth 6; when the reverse tooth 6 supports the sliding plate 4 during operation, the frosted anti-slip pad 21 can increase the friction between the reverse tooth 6 and the sliding plate 4, so that the reverse tooth 6 can support the sliding plate 4 better.

The theory of operation, at the during operation, when needs are connected the wire on movable contact switch 1, can buckle the wire into the annular around sliding column 2, and then push bearing block 3 into movable contact switch 1's inside, make reverse tooth 6 catch sliding plate 4, fix the wire through bearing block 3, make the wire more even with the dynamics of conducting block contact, the effectual bolt dynamics of having avoided is too big, the condition of causing the damage to the wire appears easily, elastic sliding plate 4 and reverse tooth 6 through first spring 5 and first shell fragment 7 promote mutually simultaneously, can make sliding plate 4 more firm with reverse tooth 6 is fixed, thereby can make bearing block 3 better to the fixed effect of wire.

When the wire is dismantled to needs, the accessible pushes away hand push block 8, make hand push block 8 promote and promote right angle pole 9, make and promote the inside that right angle pole 9 promoted reverse tooth 6 and withdraw into movable contact switch 1, can make hand push block 8 extrusion articulated slab 12 simultaneously, make articulated slab 12 deflect, and then stimulate the inside that another reverse tooth 6 withdrawed into movable contact switch 1, thereby can make reverse tooth 6 and sliding plate 4 break away from the contact, thereby can make sliding plate 4 kick-back, make bearing block 3 not hard up, and then can dismantle the wire, make the dismantlement of wire more convenient.

When the reverse tooth 6 fixes the sliding plate 4, the contact area between the reverse tooth 6 and the sliding plate 4 can be increased by the engagement of the anti-slip protrusions 15 and the anti-slip grooves 16, so that the friction force between the reverse tooth 6 and the sliding plate 4 is larger, and the fixing effect of the reverse tooth 6 on the sliding plate 4 is better.

When the wire loop is placed at the top of bearing block 3, contact annular groove 17 can increase the contact area of wire and bearing block 3 to can make the wire when the top of bearing block 3 is placed, the gliding condition of appearance less.

During the pushing of the slide plate 4 against the counter gear 6, the rollers 18 may change the sliding friction between the slide plate 4 and the counter gear 6 into rolling friction, so that the friction between the slide plate 4 and the counter gear 6 is smaller, and thus less wear between the slide plate 4 and the counter gear 6 may be achieved.

In the process of pushing the pushing block 8, the positioning groove 20 limits the positioning block 19, so that the pushing block 8 is less inclined in the sliding process, and the sliding of the pushing block 8 is more stable.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An elevator opening Guan Kedong contact is characterized in that: comprises a movable contact switch (1); four mounting grooves are formed in the side wall of the movable contact switch (1), and are symmetrically arranged along the center line of the movable contact switch (1); the top of the mounting groove is provided with a conductive block; a sliding column (2) is connected inside the movable contact switch (1) in a sliding manner; the end part of the sliding column (2) is fixedly connected with a bearing block (3); the other end of the sliding column (2) is fixedly connected with a sliding plate (4); the sliding plate (4) is connected in the movable contact switch (1) in a sliding manner; the top of the sliding plate (4) is fixedly connected with a first spring (5); the end part of the first spring (5) is fixedly connected to the side wall of the movable contact switch (1); the inside of the movable contact switch (1) is hinged with a reverse gear (6); the reverse teeth (6) are arranged at the position corresponding to the sliding plate (4); a first elastic sheet (7) is fixedly connected between the reverse tooth (6) and the movable contact switch (1).

2. The elevator opening Guan Kedong contact of claim 1 wherein: a hand push block (8) is connected inside the movable contact switch (1) in a sliding manner; a pull ring (11) is connected to the side wall of the reverse tooth (6) far away from the hand push block (8) in a sliding manner; a pushing right-angle rod (9) is connected inside the movable contact switch (1) in a sliding manner; the push right-angle rod (9) is inserted into the pull ring (11); the hand push block (8) exposes out of the side wall of the movable contact switch (1); the end part of the pushing right-angle rod (9) is fixedly connected to the side wall of the hand-push block (8); a second spring (10) is fixedly connected to the side wall of the hand push block (8); the end part of the second spring (10) is fixedly connected to the side wall of the movable contact switch (1); a hinged plate (12) is hinged in the movable contact switch (1); the hinge plate (12) is arranged at a position corresponding to the other reversing tooth (6); the end part of the hinged plate (12) is arranged at the position corresponding to the hand push block (8); a second elastic sheet (13) is fixedly connected between the hinged plate (12) and the side wall of the movable contact switch (1); a pull rope (14) is fixedly connected between the second elastic sheet (13) and the side wall of the reverse tooth (6).

3. The elevator opening Guan Kedong contact of claim 2 wherein: the top of the reverse tooth (6) is fixedly connected with an antiskid lug (15); the bottom of the sliding plate (4) is provided with an anti-skidding groove (16); the antiskid bulges (15) and the antiskid grooves (16) are arranged correspondingly.

4. The elevator opening Guan Kedong contact of claim 3 wherein: the top of the bearing block (3) is provided with a contact annular groove (17); the size of the contact annular groove (17) is arranged corresponding to the wire.

5. The elevator opening Guan Kedong contact of claim 4 wherein: the top of the sliding plate (4) is rotatably connected with a plurality of rollers (18); the roller (18) is arranged at a position corresponding to the reverse teeth (6).

6. The elevator opening Guan Kedong contact of claim 5 wherein: a positioning block (19) is fixedly connected to the top of the hand push block (8); a positioning groove (20) is formed in the movable contact switch (1); the positioning block (19) and the positioning groove (20) are arranged correspondingly.