CN212625421U

CN212625421U - Pre-buried supporting structure of switch contact rotation impact force of can transferring

Info

Publication number: CN212625421U
Application number: CN202021672628.3U
Authority: CN
Inventors: 苏福林
Original assignee: Changshu Lvyi Electrical Accessories Manufacturing Co ltd
Current assignee: Changshu Lvyi Electrical Accessories Manufacturing Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-02-26
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a pre-buried support structure of rotary impact force of a switch contact which can be transferred, which comprises a first fixed plate, wherein four shells are symmetrically welded at the inner side of the first fixed plate, the inner side walls of the four shells are all connected with a sleeve in a sliding way, the inner side walls of the shells are symmetrically provided with two sliding grooves, the inner side walls of the two sliding grooves are connected with a first plate body in a sliding way, the upper surface of the first plate body is welded with the sleeve, the inner top wall of the sleeve is fixedly connected with a first spring, when the device is used, the sleeve is pushed by a second fixed plate, the sleeve is matched with the first plate body to extrude the second spring, and meanwhile, a rod body extrudes the first spring, so that the impact force applied to the contact rotary shaft is transferred and consumed when a circuit breaker is switched, the abrasion of the contact part of the contact rotary shaft is reduced, therefore, the breaker has better use effect in the use process.

Description

Pre-buried supporting structure of switch contact rotation impact force of can transferring

Technical Field

The utility model relates to a circuit breaker technical field specifically is a pre-buried supporting structure of the rotatory impact force of switch contact can be transferred.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. The existing circuit breaker has the advantages that when the circuit breaker is switched on and off, the contact rotating shaft contact part is seriously abraded, the switching electrical property is influenced, the service life of the circuit breaker is shortened, the circuit breaker is poor in use effect in the using process, and therefore the pre-embedded support structure capable of transferring the rotary impact force of the switch contact is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch contact rotation impact force's pre-buried supporting structure can be transferred to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pre-buried support structure capable of transferring rotary impact force of a switch contact comprises a first fixing plate, wherein four shells are symmetrically welded on the inner side of the first fixing plate, the inner side walls of the four shells are all in sliding connection with a sleeve, two sliding grooves are symmetrically formed in the inner side walls of the shells, the inner side walls of the two sliding grooves are in sliding connection with a first plate body, the upper surface of the first plate body is welded with the sleeve, the inner top wall of the sleeve is fixedly connected with a first spring, the inner side wall of the sleeve is in sliding connection with a second plate body, the bottom of the first spring is fixedly connected with the second plate body, a rod body is welded on the lower surface of the second plate body, one end of the rod body penetrates through the first plate body, the inner side wall of the shell is in sliding connection with a third plate body, the upper surface of the third plate body is fixedly connected with the rod, the top of second spring with first plate body fixed connection, the bottom of second spring with third plate body fixed connection, four telescopic one end welding has the second fixed plate, the outside of second fixed plate is connected with the sleeve pipe through the bearing rotation.

As further preferable in the present technical solution: the contact structure is characterized in that the inner side wall of the sleeve is slidably connected with a contact rotating shaft, the outer side wall of the sleeve is in threaded connection with a bolt, one end of the bolt penetrates through the sleeve and the contact rotating shaft, and the outer side wall of the bolt is in threaded connection with a nut.

As further preferable in the present technical solution: the upper surface and the lower surface of first fixed plate all weld the third fixed plate, one side threaded connection of third fixed plate has the screw, the one end of screw runs through the third fixed plate.

As further preferable in the present technical solution: the outer side wall of the screw is sleeved with a first gasket, and a second gasket is bonded on the outer side of the first fixing plate.

As further preferable in the present technical solution: the second fixed plate with the adjacent one side of first fixed plate bonds and has first damping pad, the inside wall of casing bonds and has second damping pad, the upper surface of second damping pad with the bonding of third plate body.

As further preferable in the present technical solution: the inside wall of sleeve pipe bonds and has the rubber circle.

Compared with the prior art, the beneficial effects of the utility model are that: when this device uses, promote the sleeve through the second fixed plate, sleeve cooperation first plate body extrusion second spring, and the first spring of body of rod extrusion simultaneously makes the circuit breaker when the switch, makes the impact force that receives the contact rotation axis and transfers the consumption, reduces the wearing and tearing at contact rotation axis contact site, does not influence the performance of switch, improves the life of circuit breaker to make the circuit breaker at the in-process of using, the result of use is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the sleeve of the present invention;

fig. 3 is a schematic structural diagram of the housing of the present invention.

In the figure: 1. a first fixing plate; 2. a housing; 3. a sleeve; 4. a first plate body; 5. a first spring; 6. a second plate body; 7. a rod body; 8. a third plate body; 9. a second spring; 10. a chute; 11. a second fixing plate; 12. a bearing; 13. a sleeve; 14. a contact rotation shaft; 15. a bolt; 16. a nut; 17. a third fixing plate; 18. a screw; 19. a first gasket; 20. a second gasket; 21. a first damping pad; 22. a second damping pad; 23. a rubber ring.

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 work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a pre-buried support structure capable of transferring rotary impact force of a switch contact comprises a first fixing plate 1, four shells 2 are symmetrically welded on the inner side of the first fixing plate 1, the inner side walls of the four shells 2 are all in sliding connection with a sleeve 3, two sliding grooves 10 are symmetrically formed in the inner side walls of the shells 2, the inner side walls of the two sliding grooves 10 are in sliding connection with a first plate body 4, the upper surface of the first plate body 4 is welded with the sleeve 3, the inner top wall of the sleeve 3 is fixedly connected with a first spring 5, the inner side wall of the sleeve 3 is in sliding connection with a second plate body 6, the bottom of the first spring 5 is fixedly connected with the second plate body 6, a rod body 7 is welded on the lower surface of the second plate body 6, one end of the rod body 7 penetrates through the first plate body 4, the inner side wall of the shell 2 is in sliding connection with a third plate body 8, the upper, the top of second spring 9 and first plate body 4 fixed connection, the bottom and the third plate body 8 fixed connection of second spring 9, the welding of the one end of four sleeves 3 has second fixed plate 11, and the outside of second fixed plate 11 is connected with sleeve pipe 13 through bearing 12 rotation.

In this embodiment, specifically: the inner side wall of the sleeve 13 is connected with a contact rotating shaft 14 in a sliding manner, the outer side wall of the sleeve 13 is connected with a bolt 15 in a threaded manner, one end of the bolt 15 penetrates through the sleeve 13 and the contact rotating shaft 14, and the outer side wall of the bolt 15 is connected with a nut 16 in a threaded manner; the contact rotating shaft 14 slides into the sleeve 13, and the contact rotating shaft 14 and the sleeve 13 are fixed through the bolt 15, so that the device is convenient to install, and meanwhile, the bolt 15 is more tightly fixed through the nut 16.

In this embodiment, specifically: the upper surface and the lower surface of the first fixing plate 1 are welded with a third fixing plate 17, one side of the third fixing plate 17 is in threaded connection with a screw 18, and one end of the screw 18 penetrates through the third fixing plate 17; through the setting of third fixed plate 17, cooperation screw 18 conveniently fixes the position of this device.

In this embodiment, specifically: a first gasket 19 is sleeved on the outer side wall of the screw 18, and a second gasket 20 is bonded on the outer side of the first fixing plate 1; through the setting of first gasket 19, increase the area of contact of screw 18 and third fixed plate 17, prevent that screw 18 is not hard up, simultaneously through the setting of second gasket 20, reduce the wearing and tearing of first fixed plate 1 to the circuit breaker.

In this embodiment, specifically: a first damping pad 21 is bonded on one side of the second fixing plate 11 adjacent to the first fixing plate 1, a second damping pad 22 is bonded on the inner side wall of the shell 2, and the upper surface of the second damping pad 22 is bonded with the third plate body 8; through the arrangement of the first damping pad 21 and the second damping pad 22, the impact force applied to the contact rotating shaft 14 is transferred and consumed, and the abrasion to the contact rotating shaft 14 is reduced.

In this embodiment, specifically: the inner side wall of the sleeve 13 is bonded with a rubber ring 23; by providing the rubber ring 23, the contact rotating shaft 14 is inserted into the rubber ring 23, and the stability of the contact rotating shaft 14 is improved.

Working principle or structural principle, when in use, the contact rotating shaft 14 is inserted into the sleeve 13 and fixed by the bolt 15, the first fixing plate 1 is attached to the inner wall of the circuit breaker, and the device is installed and fixed by the screw 18, when the circuit breaker is switched, the sleeve 13 is driven by the contact rotating shaft 14 to rotate by the bearing 12, the impact force applied to the contact rotating shaft 14 is pushed to the second fixing plate 11, the second fixing plate 11 pushes the sleeve 3 to slide in the housing 2, the sleeve 3 pushes the first spring 5, the first plate body 4 pushes the second spring 9 in the sliding groove 10 in a sliding manner, the impact force applied to the contact rotating shaft 14 is transferred and consumed, the third plate body 8 pushes the second damping pad 22, the second fixing plate 11 pushes the first damping pad 21, the impact force applied to the contact rotating shaft 14 is further consumed, and the abrasion of the contact rotating shaft 14 is reduced, therefore, the performance of the switch is not influenced, and the service life of the breaker is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pre-buried bearing structure of switch contact rotary impact force can be transferred, includes first fixed plate (1), its characterized in that: the inner side of the first fixing plate (1) is symmetrically welded with four shells (2), the inner side walls of the four shells (2) are all connected with a sleeve (3) in a sliding manner, the inner side wall of each shell (2) is symmetrically provided with two sliding grooves (10), the inner side walls of the two sliding grooves (10) are connected with a first plate body (4) in a sliding manner, the upper surface of the first plate body (4) is welded with the sleeve (3), the inner top wall of the sleeve (3) is fixedly connected with a first spring (5), the inner side wall of the sleeve (3) is connected with a second plate body (6) in a sliding manner, the bottom of the first spring (5) is fixedly connected with the second plate body (6), the lower surface of the second plate body (6) is welded with a rod body (7), one end of the rod body (7) penetrates through the first plate body (4), and the inner side wall of each shell (2), the upper surface of the third plate body (8) with the body of rod (7) fixed connection, the lateral wall cover of the body of rod (7) is equipped with second spring (9), the top of second spring (9) with first plate body (4) fixed connection, the bottom of second spring (9) with the third plate body (8) fixed connection, four the one end welding of sleeve (3) has second fixed plate (11), the outside of second fixed plate (11) is passed through bearing (12) and is rotated and be connected with sleeve pipe (13).

2. The pre-buried support structure of the rotary impact force of the graftable switch contact according to claim 1, wherein: the contact structure is characterized in that a contact rotating shaft (14) is connected to the inner side wall of the sleeve (13) in a sliding mode, a bolt (15) is connected to the outer side wall of the sleeve (13) in a threaded mode, one end of the bolt (15) penetrates through the sleeve (13) and the contact rotating shaft (14), and a nut (16) is connected to the outer side wall of the bolt (15) in a threaded mode.

3. The pre-buried support structure of the rotary impact force of the graftable switch contact according to claim 1, wherein: the upper surface and the lower surface of first fixed plate (1) all weld third fixed plate (17), one side threaded connection of third fixed plate (17) has screw (18), the one end of screw (18) is run through third fixed plate (17).

4. The pre-buried support structure of the rotary impact force of the graftable switch contact according to claim 3, wherein: the outer side wall of the screw (18) is sleeved with a first gasket (19), and a second gasket (20) is bonded to the outer side of the first fixing plate (1).

5. The pre-buried support structure of the rotary impact force of the graftable switch contact according to claim 1, wherein: second fixed plate (11) with one side that first fixed plate (1) is adjacent bonds and has first damping pad (21), the inside wall of casing (2) bonds and has second damping pad (22), the upper surface of second damping pad (22) with third plate body (8) bond.

6. The pre-buried support structure of the rotary impact force of the graftable switch contact according to claim 1, wherein: and a rubber ring (23) is adhered to the inner side wall of the sleeve (13).