CN216648204U

CN216648204U - Tripping mechanism convenient to operate

Info

Publication number: CN216648204U
Application number: CN202123149505.9U
Authority: CN
Inventors: 林乔斌; 代永彪
Original assignee: Huarong Technology Co Ltd
Current assignee: Huarong Technology Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-31
Anticipated expiration: 2031-12-15

Abstract

A tripping mechanism convenient to operate comprises a handle mechanism, a push rod and a telescopic rod fixing plate, wherein a first push rod fixing plate and a second push rod fixing plate are movably sleeved on the outer surface of the push rod, and a limiting ring is fixedly arranged on the outer surface of the push rod; the telescopic rod is arranged between the telescopic rod fixing plate and the telescopic rod limiting plate, the surface of the telescopic rod is provided with a sliding plate, a reset spring is arranged between one side of the sliding plate and the telescopic rod limiting plate, the other side of the sliding plate is provided with an inclined plane, and the other end of the push rod is in movable contact with the inclined plane. The utility model overcomes the defects of the prior art, the push rod is pushed by the top support end of the handle mechanism, the end part of the push rod slides on the inclined plane of the sliding plate, the sliding plate is extruded, the sliding plate moves along the axial direction of the telescopic rod, and the conversion in the tripping direction is realized; after tripping, the sliding plate can be reset to the original position along the axial direction of the telescopic rod under the elastic action of the reset spring, so that the situation that the sliding plate cannot be switched on due to forgetting of resetting operation can be prevented.

Description

Tripping mechanism convenient to operate

Technical Field

The utility model relates to the technical field of circuit breaker tripping, in particular to a tripping mechanism convenient to operate.

Background

In the feeder switch, the tripping mode of the circuit breaker is unilateral side tripping. In the combined feed switch, part of loops cannot be tripped from the side outside the shell, and the tripping operation can be realized only on the front door. Therefore, a trip mechanism is needed to transition from the door to the circuit breaker to effect a positive trip operation.

Generally, when a tripping mechanism is switched in a tripping direction, the direction of the tripping mechanism needs to be switched through a plurality of intermediate linkage components. The friction force generated by a plurality of kinematic pairs is greatly integrated in the operation process, so that the operation is laborious and inconvenient for manual operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the tripping mechanism convenient to operate, which overcomes the defects of the prior art and is reasonable in design, the push rod is pushed by the top support end of the handle mechanism, so that the end part of the push rod slides on the inclined plane of the sliding plate, the sliding plate is extruded, the sliding plate moves along the axial direction of the telescopic rod, and the switching of the tripping direction is realized; after tripping, the sliding plate can be reset to the original position along the axial direction of the telescopic rod under the elastic action of the reset spring, so that the situation that the sliding plate cannot be switched on due to forgetting of resetting operation can be prevented.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a tripping mechanism convenient to operate comprises a handle mechanism, a push rod and a telescopic rod fixing plate, wherein the handle mechanism is fixedly arranged on a door, a first push rod fixing plate and a second push rod fixing plate are movably sleeved on the outer surface of the push rod, the first push rod fixing plate and the second push rod fixing plate are both fixedly arranged on a shell, a limiting ring is fixedly arranged on the outer surface of the push rod, and one end of the push rod corresponds to a jacking end of the handle mechanism;

the telescopic rod fixing plate is fixedly mounted on the shell, the telescopic rod fixing plate is fixedly connected with the telescopic rod limiting plate through a connecting plate, a telescopic rod is arranged between the telescopic rod fixing plate and the telescopic rod limiting plate, the two ends of the telescopic rod penetrate through the telescopic rod fixing plate and the telescopic rod limiting plate respectively, a sliding plate is fixedly mounted on the surface of the telescopic rod, one side of the sliding plate is fixedly connected with one end of a reset spring, the other end of the reset spring abuts against the inner side surface of the telescopic rod limiting plate, an inclined plane is formed in the other side of the sliding plate, and the other end of the push rod is in movable contact with the inclined plane.

Preferably, handle mechanism includes handle seat, handle, cam and ejector pin, handle seat fixed mounting is on the door, be provided with the cavity recess in the middle of the handle seat, the cam passes through axis of rotation swing joint in the cavity recess, handle fixed mounting is on the cam, the handle is in the opening side activity of cavity recess, the through-hole has been seted up in the cavity recess, ejector pin movable mounting is in the through-hole, the one end and the cam surface of ejector pin contact, the other end of ejector pin passes through-hole and fixed mounting has the plectrum, the plectrum with the tip of push rod is corresponding.

Preferably, a first spring is arranged in the through hole, the first spring is sleeved on the outer surface of the ejector rod, one end of the first spring is connected with the inner end face, close to the cam, of the ejector rod, and the other end of the first spring is abutted to the inner side face of the through hole.

Preferably, one end of the push rod close to the sliding plate is provided with a guide bearing through a fixing bolt, a limit block is fixedly arranged on the side surface of the telescopic rod fixing plate, the guide bearing is movably connected in the limit block, and the outer surface of the guide bearing is in contact with the inclined plane on the other side of the sliding plate.

Preferably, the upper side and the lower side of the sliding plate are both fixedly provided with limit bearings through bolts, and the limit bearings are in contact with the side surfaces of the connecting plates.

Preferably, a second spring is arranged between the limiting ring and the second push rod fixing plate and sleeved outside the push rod.

The utility model provides a tripping mechanism convenient to operate. The method has the following beneficial effects: one end of the push rod is pushed by the top support end of the handle mechanism, so that the push rod moves along the direction of the through holes of the first push rod fixing plate and the second push rod fixing plate, the other end of the push rod slides on the inclined plane on the sliding plate, extrusion on the sliding plate is realized, the sliding plate drives the telescopic rod to move along the axial direction of the telescopic rod, and therefore conversion in the tripping direction is realized; after tripping, the sliding plate can be reset to the original position along the axial direction of the telescopic rod under the elastic action of the reset spring, so that the situation that the sliding plate cannot be switched on due to forgetting of resetting operation can be prevented. And the application range is wide, and the combined feeder switch can be suitable for tripping.

Drawings

In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.

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

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic view of a portion of the present invention;

the reference numbers in the figures illustrate:

1. a handle mechanism; 2. a push rod; 3. a telescopic rod fixing plate; 4. a first push rod fixing plate; 5. a second push rod fixing plate; 6. a limiting ring; 7. the telescopic rod is used for limiting the plate; 8. a telescopic rod; 9. a sliding plate; 10. a return spring; 11. a handle seat; 12. a handle; 13. a cam; 14. a top rod; 15. a hollow groove; 16. a through hole; 17. a shifting sheet; 18. a guide bearing; 19. a limiting block; 20. a limit bearing; 21. a first spring; 22. a second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1 to 3, a trip mechanism convenient to operate includes a handle mechanism 1, a push rod 2 and a telescopic rod fixing plate 3, the handle mechanism 1 is fixedly installed on a door, a first push rod fixing plate 4 and a second push rod fixing plate 5 are movably sleeved on the outer surface of the push rod 2, the first push rod fixing plate 4 and the second push rod fixing plate 5 are both fixedly installed on a housing, a limit ring 6 is fixedly installed on the outer surface of the push rod 2, and one end of the push rod 2 corresponds to a jacking end of the handle mechanism 1;

3 fixed mounting of telescopic link fixed plate is on the casing, telescopic link fixed plate 3 passes through connecting plate and 7 fixed connection of telescopic link limiting plate, be provided with telescopic link 8 in the middle of telescopic link fixed plate 3 and the telescopic link limiting plate 7, telescopic link fixed plate 3 and telescopic link limiting plate 7 are passed respectively to 8 both ends of telescopic link, 8 fixed surface of telescopic link installs sliding plate 9, one side fixed connection reset spring 10's of sliding plate 9 one end, reset spring 10's the other end is contradicted at the inboard surface of telescopic link limiting plate 7, the inclined plane is seted up to the opposite side of sliding plate 9, the other end and the inclined plane movable contact of push rod 2.

The working principle is as follows:

when the handle mechanism is used, the handle mechanism 1 is lifted, so that the top support end of the handle mechanism 1 pushes one end of the push rod 2, the push rod moves along the direction of the through holes of the first push rod fixing plate 4 and the second push rod fixing plate 5, the other end of the push rod 2 slides on the inclined plane on the sliding plate 9, extrusion on the sliding plate 9 is realized, the sliding plate 9 drives the telescopic rod 8 to move along the axial direction of the telescopic rod 8, and therefore conversion in the tripping direction is realized; this application passes through telescopic link fixed plate 3 and telescopic link limiting plate 7 restraint telescopic link 8's slip direction. After tripping, the handle is put down, so that the top support end of the handle mechanism 1 is reset, the sliding plate 9 can be reset to the original position along the axial direction of the telescopic rod 8 under the elastic action of the reset spring 10, the push rod 2 is pushed to reset under the action of the inclined plane on the sliding plate 9, and the limit ring 6 is used for limiting the push rod 2 to reset to the original position, so that the situation that the switching-on cannot be caused due to forgetting of resetting operation can be prevented. And this application tripping device application range is extensive, can both be applicable to combination formula feed switch dropout.

In the second embodiment, as a further preferable scheme of the first embodiment, the handle mechanism 1 includes a handle seat 11, a handle 12, a cam 13 and a push rod 14, the handle seat 11 is fixedly installed on the door, a hollow groove 15 is formed in the middle of the handle seat 11, the cam 13 is movably connected in the hollow groove 15 through a rotating shaft, the handle 12 is fixedly installed on the cam 13, the handle 12 is movable on the opening side of the hollow groove 15, a through hole 16 is formed in the hollow groove 15, the push rod 14 is movably installed in the through hole 16, one end of the push rod 14 is in contact with the outer surface of the cam 13, the other end of the push rod 14 penetrates through the through hole 16 and is fixedly installed with a shifting piece 17, and the shifting piece 17 corresponds to the end of the push rod 2. In this embodiment, a first spring 21 is disposed in the through hole 16, the first spring 21 is sleeved on the outer surface of the post rod 14, one end of the first spring 21 is connected to the inner end surface of the post rod 14 close to the cam 13, and the other end of the first spring 21 is abutted to the stepped surface of the through hole 16.

When the push rod is used, the handle 12 is pulled to drive the cam 13 to rotate in the hollow groove 15 along the rotating shaft, then the cam 13 can be abutted to one end of the push rod 14 through the oval arc surface of the cam 13, the push rod 14 is pushed to move along the axial direction through rotation, so that the end part of the push rod 2 can be pushed to move forwards through the shifting piece 17, then the handle of the cam 13 is used for pressing, and the moment is amplified through the handle 12, so that the operation is more labor-saving; when the release is carried out, the handle 12 is lowered and drives the cam 13 to rotate and reset, and at the same time, the ejector rod 14 is reset through the elastic action of the first spring 21.

In a third embodiment, as a further preferable scheme of the first embodiment, a guide bearing 18 is installed at one end of the push rod 2 close to the sliding plate 9 through a fixing bolt, a limit block 19 is fixedly installed on a side surface of the telescopic rod fixing plate 3, the guide bearing 18 is movably connected in the limit block 19, and an outer surface of the guide bearing 18 contacts with an inclined surface at the other side of the sliding plate 9. The guide bearing 18 is contacted with the inclined plane at one side of the limiting block 19 to reduce the friction force; meanwhile, the sliding block is clamped at two sides of the guide bearing 18 through a limiting block 19 to prevent the push rod 2 from rotating, so that the push rod 2 and the sliding plate 9 are clamped in a staggered mode.

In a fourth embodiment, as a further preferable scheme of the first embodiment, the upper side and the lower side of the sliding plate 9 are both fixedly provided with limit bearings 20 through bolts, and the limit bearings 20 are in contact with the side surfaces of the connecting plate. The sliding plate 9 is limited to slide only and not rotate by two limit bearings 20.

In the fifth embodiment, as a further preferable scheme of the first embodiment, a second spring 22 is disposed between the limiting ring 6 and the second push rod fixing plate 5, and the second spring 22 is sleeved outside the push rod 2. The push rod 2 can be reset quickly after the stress on the push rod 2 is removed through the second spring 22, and the reset position of the push rod 2 is limited through the limiting ring 6.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a tripping device convenient to operation which characterized in that: the door handle comprises a handle mechanism (1), a push rod (2) and a telescopic rod fixing plate (3), wherein the handle mechanism (1) is fixedly installed on a door, a first push rod fixing plate (4) and a second push rod fixing plate (5) are movably sleeved on the outer surface of the push rod (2), the first push rod fixing plate (4) and the second push rod fixing plate (5) are both fixedly installed on a shell, a limiting ring (6) is fixedly installed on the outer surface of the push rod (2), and one end of the push rod (2) corresponds to a jacking end of the handle mechanism (1);

the telescopic rod fixing plate (3) is fixedly mounted on the shell, the telescopic rod fixing plate (3) is fixedly connected with the telescopic rod limiting plate (7) through a connecting plate, a telescopic rod (8) is arranged between the telescopic rod fixing plate (3) and the telescopic rod limiting plate (7), two ends of the telescopic rod (8) penetrate through the telescopic rod fixing plate (3) and the telescopic rod limiting plate (7) respectively, a sliding plate (9) is fixedly mounted on the surface of the telescopic rod (8), one end of a reset spring (10) is fixedly connected to one side of the sliding plate (9), the other end of the reset spring (10) abuts against the inner side surface of the telescopic rod limiting plate (7), an inclined plane is formed in the other side of the sliding plate (9), and the other end of the push rod (2) is in movable contact with the inclined plane.

2. A trip mechanism as claimed in claim 1, which is simple to operate, and further comprising: handle mechanism (1) is including handle seat (11), handle (12), cam (13) and ejector pin (14), handle seat (11) fixed mounting is on the door, be provided with hollow cavity (15) in the middle of handle seat (11), cam (13) are in hollow cavity (15) through axis of rotation swing joint, handle (12) fixed mounting is on cam (13), handle (12) is in the opening side activity of hollow cavity (15), through-hole (16) have been seted up in hollow cavity (15), ejector pin (14) movable mounting is in through-hole (16), the one end and cam (13) surface of ejector pin (14) contact, the other end of ejector pin (14) passes through-hole (16) and fixed mounting has plectrum (17), plectrum (17) with the tip of push rod (2) is corresponding.

3. A trip mechanism as claimed in claim 2, which is simple to operate, and further comprising: the cam mechanism is characterized in that a first spring (21) is arranged in the through hole (16), the first spring (21) is sleeved on the outer surface of the ejector rod (14), one end of the first spring (21) is connected with the inner end face, close to the cam (13), of the ejector rod (14), and the other end of the first spring (21) is abutted to the inner side face of the through hole (16).

4. A trip mechanism as claimed in claim 1, which is simple to operate, and further comprising: the telescopic rod is characterized in that a guide bearing (18) is installed at one end, close to the sliding plate (9), of the push rod (2) through a fixing bolt, a limiting block (19) is fixedly installed on the side surface of the telescopic rod fixing plate (3), the guide bearing (18) is movably connected into the limiting block (19), and the outer surface of the guide bearing (18) is in contact with the inclined plane on the other side of the sliding plate (9).

5. A trip mechanism as claimed in claim 1, which is simple to operate, and further comprising: and the upper side and the lower side of the sliding plate (9) are fixedly provided with limiting bearings (20) through bolts, and the limiting bearings (20) are in contact with the side surfaces of the connecting plate.

6. A trip mechanism as claimed in claim 1, which is simple to operate, and further comprising: and a second spring (22) is arranged between the limiting ring (6) and the second push rod fixing plate (5), and the second spring (22) is sleeved outside the push rod (2).