CN215869194U

CN215869194U - Circuit breaker with shock-absorbing function

Info

Publication number: CN215869194U
Application number: CN202122241755.9U
Authority: CN
Inventors: 程超洋; 程贝
Original assignee: Asia Pacific People's Group Zhejiang Power Equipment Co ltd
Current assignee: Asia Pacific People's Group Electric Equipment Co.,Ltd.
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a circuit breaker with a shock absorption function, which relates to the field of circuit breakers and comprises an installation seat, wherein an installation frame is installed at the top end of the installation seat, a fixed frame is connected to the top end of the installation frame, a circuit breaker body is installed at the top end of the fixed frame, and the outer wall and the inner part of the fixed frame are provided with a clamping and fixing device for clamping and fixing the circuit breaker body. According to the circuit breaker body clamping and fixing device, the clamping mechanism is arranged, when the circuit breaker body is clamped and fixed, the rotating column is pushed inwards, the rotating column displaces to drive the telescopic rod to contract and the reset spring to deform, the clamping block moves out of the clamping groove, the fixing of the rotating column is cancelled, the rotating column drives the two clamping plates to move close to each other to clamp and fix the circuit breaker body, the rotating column is loosened after the clamping block is completed, the rotating column is reset under the elastic force of the reset spring, the clamping block displaces to enter the clamping groove, and the rotating column is fixed, so that the clamping plates are fixed, and the circuit breaker body can be clamped and fixed quickly.

Description

Circuit breaker with shock-absorbing function

Technical Field

The utility model relates to the field of circuit breakers, in particular to a circuit breaker with a damping function.

Background

Moulded case circuit breaker can exceed trip and set for the back automatic cutout electric current at the electric current, the moulded case indicates to regard as the shell of device with plastic insulator, be used for keeping apart between the conductor and the ground connection metal part, moulded case circuit breaker contains the thermomagnetic trip unit usually, and the moulded case circuit breaker of major model can be equipped with solid-state trip sensor, the installation base of current circuit breaker is because of not having effectual shock-absorbing function, when reducing circuit breaker protection work validity, cause the damage to the circuit breaker very easily, unsatisfied user's user demand.

According to the Chinese patent No. CN213519811U, a molded case circuit breaker with a shock absorption function is provided, which comprises a shock absorption mechanism, wherein the shock absorption mechanism comprises an inner sleeve plate, a limiting disc, a second spring, a guide rod and an installation frame, the top of the installation frame is movably inserted with the inner sleeve plate, the bottom of the inner wall of the installation frame is fixedly welded with a plurality of guide rods, the top of each guide rod penetrates through the bottom of the inner sleeve plate and extends into the inner sleeve plate, the surface of each guide rod is movably sleeved with the limiting disc and positioned at the bottom of the inner sleeve plate, and the second spring is wound on the surface of each guide rod and positioned between the limiting disc and the bottom of the inner wall of the installation frame; the mounting mechanism effectively solves the problems that the existing mounting base of the circuit breaker does not have an effective damping function, reduces the effectiveness of the protection work of the circuit breaker, is easy to damage the circuit breaker and cannot meet the use requirements of users.

Above-mentioned patent carries out effectual shock attenuation work to the circuit breaker body, thereby play protection work to the circuit breaker body, very big improvement the stability of circuit breaker body work, but when carrying out the centre gripping to the circuit breaker body, there is not the structure to fix the grip block behind the grip block centre gripping, the displacement takes place for the easy atress of grip block, fixed to the circuit breaker causes the influence, it is fixed to need to have the structure to carry out quick centre gripping to the circuit breaker body, simultaneously damper sets up in the installing frame, when installing the installing frame, the operation is comparatively complicated, it carries out quick installation and dismantlement to the installing frame to need to have the structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: carry out the centre gripping fixed and need have the structure to carry out quick assembly disassembly's problem to the installing frame in order to solve to have the structure to the circuit breaker body, provide a circuit breaker with shock-absorbing function.

In order to achieve the purpose, the utility model provides the following technical scheme: a breaker with a shock absorption function comprises an installation seat, wherein an installation frame is installed at the top end of the installation seat, a fixed frame is connected to the top end of the installation frame, a breaker body is installed at the top end of the fixed frame, and the outer wall and the inner portion of the fixed frame are provided with a clamping and fixing device for clamping and fixing the breaker body; and the clamping mechanism is arranged between the mounting seat and the mounting frame and is used for rapidly mounting and dismounting the mounting mechanism on the mounting frame.

As a still further scheme of the utility model: fixture includes grip block and rotation post, grip block sliding connection is on the top of fixed frame, rotation post sliding connection is in the one end of fixed frame, the outer wall of rotation post is provided with the draw-in groove, the one end fixedly connected with telescopic link of rotation post, the one end fixedly connected with connecting plate of telescopic link, be connected with reset spring between rotation post and the connecting plate, the one end fixedly connected with centre gripping lead screw of connecting plate, the centre gripping lead screw is connected with the grip block, the internal connection that one side of rotation post is located the fixed frame has the fixture block, be connected with connecting spring between fixture block and the fixed frame.

As a still further scheme of the utility model: the installation mechanism includes connecting block, fixed slot and spread groove, connecting block fixed connection is on the top of mount pad, the fixed slot sets up in the outer wall of connecting block, the spread groove sets up in the outer wall of installing frame, the inner wall connection of spread groove has the rolling disc, the outer wall connection of installing frame has the adjustable shelf, the one end of adjustable shelf is connected with movable spring, movable spring's one end is connected with the installing frame.

As a still further scheme of the utility model: the inner wall of grip block is provided with the internal thread, the external screw thread of centre gripping lead screw and the internal thread phase-match of grip block, two the internal thread opposite direction of grip block.

As a still further scheme of the utility model: the inner wall of draw-in groove and the outer wall of fixture block laminate mutually, the one end of fixture block is the inclined plane, the cross section of telescopic link is square.

As a still further scheme of the utility model: the outer wall of connecting block and the equal laminating of the inner wall of spread groove and rolling disc, the outer wall of rolling disc and the inner wall of fixed slot are laminated mutually.

As a still further scheme of the utility model: the outer wall of the movable frame is provided with tooth grooves, the outer wall of the rotating disc is provided with gear teeth, and the tooth grooves of the movable frame are meshed with the tooth grooves of the rotating disc.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the clamping mechanism, when the circuit breaker body is clamped and fixed, the rotating column is pushed inwards, the rotating column displaces to drive the telescopic rod to contract and the reset spring to deform, the clamping block position moves out of the clamping groove, the fixing of the rotating column is cancelled, the rotating column drives the two clamping plates to move close to each other to clamp and fix the circuit breaker body, after the clamping is completed, the rotating column is loosened, the rotating column is reset by the elastic force of the reset spring, the clamping block displaces into the clamping groove to fix the rotating column, so that the clamping plates are fixed, and the circuit breaker body can be clamped and fixed quickly;

2. through setting up installation mechanism, when installing the installing frame, promote the adjustable shelf and carry out the displacement, the adjustable shelf displacement drives the rolling disc and rotates, the inner wall of rolling disc is laminated with the inner wall of spread groove mutually, insert the spread groove with the connecting block, loosen the adjustable shelf after the completion, the adjustable shelf receives the activity spring elasticity to reset, thereby it gets into the fixed slot to drive the rolling disc rotation, misplace with the spread groove, thereby install the installing frame, when demolising, promote the adjustable shelf to drive the rolling disc and rotate out the fixed slot, the cancellation is fixed to the installing frame, be convenient for carry out quick installation and dismantlement to the installing frame.

Drawings

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

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

figure 3 is a cross-sectional view of the fixing frame according to the utility model;

fig. 4 is a schematic structural view of the rotating disk of the present invention.

In the figure: 1. a mounting seat; 2. installing a frame; 3. a fixing frame; 4. a circuit breaker body; 5. a clamping mechanism; 501. a clamping plate; 502. rotating the column; 503. a card slot; 504. a telescopic rod; 505. a connecting plate; 506. a return spring; 507. clamping a screw rod; 508. a clamping block; 509. a connecting spring; 6. an installation mechanism; 601. connecting blocks; 602. fixing grooves; 603. connecting grooves; 604. rotating the disc; 605. a movable frame; 606. a movable spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 4, in the embodiment of the utility model, a circuit breaker with a damping function includes an installation base 1, an installation frame 2 is installed at the top end of the installation base 1, a fixed frame 3 is connected to the top end of the installation frame 2, a circuit breaker body 4 is installed at the top end of the fixed frame 3, and the outer wall and the inner part of the fixed frame 3 are provided with a clamping and fixing device for clamping and fixing the circuit breaker body 4; and a mounting mechanism 6 for rapidly mounting and dismounting the mounting frame 2 is arranged between the mounting seat 1 and the mounting frame 2 of the clamping mechanism 5.

Please refer to fig. 1 and fig. 3, the clamping mechanism 5 includes a clamping plate 501 and a rotating column 502, the clamping plate 501 is slidably connected to the top end of the fixed frame 3, the rotating column 502 is slidably connected to one end of the fixed frame 3, a clamping slot 503 is formed in the outer wall of the rotating column 502, an expansion link 504 is fixedly connected to one end of the rotating column 502, a connecting plate 505 is fixedly connected to one end of the expansion link 504, a return spring 506 is connected between the rotating column 502 and the connecting plate 505, a clamping screw 507 is fixedly connected to one end of the connecting plate 505, the clamping screw 507 is connected to the clamping plate 501, a clamping block 508 is connected to one side of the rotating column 502 inside the fixed frame 3, and a connecting spring 509 is connected between the clamping block 508 and the fixed frame 3, so as to clamp and fix the circuit breaker body 4.

Please refer to fig. 2 and fig. 4, the mounting mechanism 6 includes a connecting block 601, a fixing groove 602 and a connecting groove 603, the connecting block 601 is fixedly connected to the top end of the mounting base 1, the fixing groove 602 is disposed on the outer wall of the connecting block 601, the connecting groove 603 is disposed on the outer wall of the mounting frame 2, the inner wall of the connecting groove 603 is connected to a rotating disc 604, the outer wall of the mounting frame 2 is connected to a movable frame 605, one end of the movable frame 605 is connected to a movable spring 606, and one end of the movable spring 606 is connected to the mounting frame 2, so as to facilitate rapid mounting and dismounting of the mounting frame 2.

Please refer to fig. 1 and fig. 3, the inner wall of the clamping plate 501 is provided with an internal thread, the external thread of the clamping screw 507 is matched with the internal thread of the clamping plate 501, and the internal threads of the two clamping plates 501 have opposite directions, so that the rotation of the clamping screw 507 drives the two clamping plates 501 to move reversely.

Referring to fig. 1 and 3, the inner wall of the locking groove 503 is attached to the outer wall of the locking block 508, one end of the locking block 508 is an inclined surface, the cross section of the telescopic rod 504 is square, so that the locking block 508 can move into the locking groove 503, and the inclined surface of the locking block 508 is forced to drive the locking block 508 to move.

Referring to fig. 2 and 4, the outer wall of the connecting block 601 is attached to both the connecting groove 603 and the inner wall of the rotating disc 604, so that the connecting block 601 slides on the connecting groove 603 and the inner wall of the rotating disc 604, and the outer wall of the rotating disc 604 is attached to the inner wall of the fixing groove 602, so that the rotating disc 604 rotates into the fixing groove 602.

Please refer to fig. 2 and fig. 4, the outer wall of the movable frame 605 is provided with tooth grooves, the outer wall of the rotating disc 604 is provided with gear teeth, and the tooth grooves of the movable frame 605 are engaged with the tooth grooves of the rotating disc 604, so that the movable frame 605 can move to drive the rotating disc 604 to rotate.

The working principle of the utility model is as follows: firstly, when the breaker body 4 is clamped and fixed, the rotating column 502 is pushed inwards, the rotating column 502 displaces to drive the telescopic rod 504 to contract and the reset spring 506 to deform, the inclined surface of the fixture block 508 is contacted and stressed with the rotating column 502 to displace, the fixture block 508 displaces out of the clamping groove 503, the fixing of the rotating column 502 is cancelled, the rotating column 502 is rotated, the rotating column 502 rotates to drive the telescopic rod 504 to rotate, the telescopic rod 504 rotates to drive the connecting plate 505 to rotate, the connecting plate 505 rotates to drive the clamping screw 507 to rotate, the clamping screw 507 rotates to drive the two clamping plates 501 to approach and displace to clamp and fix the breaker body 4, after the completion, the rotating column 502 is released, the rotating column 502 is reset by the elastic force of the reset spring 506, the fixture block 508 is contacted with the clamping groove 503, the fixture block 508 is displaced by the elastic force of the connecting spring 509 to enter the clamping groove 503, the rotating column 502 is fixed, and the clamping plates 501 are fixed, be convenient for carry out quick centre gripping fixed to circuit breaker body 4, when installing frame 2, promote adjustable shelf 605 and carry out the displacement, adjustable shelf 605 displacement drives rolling disc 604 and rotates, the inner wall of rolling disc 604 and the inner wall of spread groove 603 laminate mutually, insert spread groove 603 with connecting block 601, loosen adjustable shelf 605 after the completion, adjustable shelf 605 is reset by activity spring 606 elasticity, thereby it gets into fixed slot 602 to drive rolling disc 604 rotation, misplace with spread groove 603, thereby install installing frame 2, when demolising, promote adjustable shelf 605 and drive rolling disc 604 and rotate out fixed slot 602, the cancellation is fixed to installing frame 2, be convenient for carry out quick installation and dismantlement to installing frame 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The circuit breaker with the damping function comprises a mounting seat (1) and is characterized in that a mounting frame (2) is mounted at the top end of the mounting seat (1), a fixed frame (3) is connected to the top end of the mounting frame (2), a circuit breaker body (4) is mounted at the top end of the fixed frame (3), and the outer wall and the inner part of the fixed frame (3) are provided with a clamping and fixing device for clamping and fixing the circuit breaker body (4); the clamping mechanism (5), be provided with between mount pad (1) and installing frame (2) and carry out quick installation and dismantle installation mechanism (6) to installing frame (2).

2. The circuit breaker with the shock absorption function according to claim 1, wherein the clamping mechanism (5) comprises a clamping plate (501) and a rotating column (502), the clamping plate (501) is slidably connected to the top end of the fixed frame (3), the rotating column (502) is slidably connected to one end of the fixed frame (3), a clamping groove (503) is formed in the outer wall of the rotating column (502), an expansion link (504) is fixedly connected to one end of the rotating column (502), a connecting plate (505) is fixedly connected to one end of the expansion link (504), a return spring (506) is connected between the rotating column (502) and the connecting plate (505), a clamping screw (507) is fixedly connected to one end of the connecting plate (505), the clamping screw (507) is connected to the clamping plate (501), a clamping block (508) is connected to one side of the rotating column (502) inside the fixed frame (3), and a connecting spring (509) is connected between the clamping block (508) and the fixed frame (3).

3. The circuit breaker with the shock absorption function according to claim 1, wherein the mounting mechanism (6) comprises a connecting block (601), a fixing groove (602) and a connecting groove (603), the connecting block (601) is fixedly connected to the top end of the mounting base (1), the fixing groove (602) is arranged on the outer wall of the connecting block (601), the connecting groove (603) is arranged on the outer wall of the mounting frame (2), a rotating disc (604) is connected to the inner wall of the connecting groove (603), a movable frame (605) is connected to the outer wall of the mounting frame (2), a movable spring (606) is connected to one end of the movable frame (605), and one end of the movable spring (606) is connected to the mounting frame (2).

4. The circuit breaker with the shock absorption function according to claim 2, wherein the inner wall of the clamping plate (501) is provided with an internal thread, the external thread of the clamping screw (507) is matched with the internal thread of the clamping plate (501), and the internal threads of the two clamping plates (501) are opposite in direction.

5. The circuit breaker with the shock absorption function according to claim 2, wherein an inner wall of the clamping groove (503) is attached to an outer wall of a clamping block (508), one end of the clamping block (508) is an inclined surface, and the cross section of the telescopic rod (504) is square.

6. The circuit breaker with a shock absorbing function according to claim 3, wherein an outer wall of the connection block (601) is attached to both the connection groove (603) and an inner wall of the rotating disc (604), and an outer wall of the rotating disc (604) is attached to an inner wall of the fixing groove (602).

7. The circuit breaker with the shock absorbing function according to claim 3, wherein the outer wall of the movable frame (605) is provided with teeth grooves, the outer wall of the rotating disc (604) is provided with teeth grooves, and the teeth grooves of the movable frame (605) are engaged with the teeth grooves of the rotating disc (604).