Quick contact replacing device of vacuum circuit breaker

Abstract

The utility model discloses a quick contact replacement device of a vacuum circuit breaker. The quick contact replacement device comprises a main body assembly, wherein the main body assembly comprises a vacuum arc-extinguishing chamber and a mounting box; the mounting box is fixedly connected to two sides of the outer wall of the vacuum arc-extinguishing chamber; the replacement assembly comprises an empty groove, an anti-slip strip, a connecting plate and an inserting plate; the empty groove is formed in the top end of the mounting box, the insertion plate is slidably connected to the interior of the empty groove, and the replacement assembly further comprises a rotating gear and a mounting plate; the rotating gear is rotationally connected to the inner wall of the mounting box, the mounting plate is fixedly connected to the top end of the inserting plate, the rotating gear is in meshed connection with the inserting plate, and the connecting plate is in meshed connection with the rotating gear. The utility model discloses a contact device, and aims to solve the problems that when an existing contact device is disassembled, assembled and replaced by a worker, mounting parts of the contact device need to be repeatedly disassembled and assembled by means of an external tool, the operation is relatively tedious, and normal use of the contact device is affected due to the fact that the mounted contact device and a mounting position are easy to loosen.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum circuit breaker technical field especially relates to a quick replacement contact device of vacuum circuit breaker. BACKGROUND

[0002] The contact of vacuum circuit breaker usually adopts point contact form, and this design makes the arc produced when the contact breaks not affect the environment, so the vacuum circuit breaker can be used in harsh working environment.

[0003] The patent document with publication number 201621166611.4 discloses a dynamic end contact device of vacuum circuit breaker, including fixed copper contact and dynamic copper contact, wherein the fixed copper contact is provided with through hole, the inner surface of through hole is provided with clamping groove, the clamping groove is installed with watchband contact finger, the through hole is inserted with dynamic copper contact, and the watchband contact finger is in close contact with the dynamic copper contact. The utility model has the advantages that: the watchband contact finger is used as the connection between the fixed copper contact and the dynamic copper contact, so that the fixed copper contact has no sharp corner, the sharp end discharge phenomenon is avoided, the internal electric field distribution of the circuit breaker is improved, the insulation level between the circuit breakers is improved, and the further miniaturization of the circuit breaker is promoted.

[0004] The disadvantages are that: for example, when the staff disassembles, replaces and installs the existing contact device, external tools are needed to repeatedly disassemble and install the installation parts, the operation is relatively cumbersome, and the contact device after installation and the installation place are prone to loosening, which affects the normal use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick replacement contact device of vacuum circuit breaker to solve the problems that the existing contact device needs external tools to repeatedly disassemble and install the installation parts when the staff disassembles, replaces and installs the contact device, the operation is relatively cumbersome, and the contact device after installation and the installation place are prone to loosening, which affects the normal use.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model relates to a quick replacement contact device of vacuum circuit breaker, which comprises:

[0008] The main body assembly comprises a vacuum arc-extinguishing chamber and a mounting box.

[0009] The mounting box is fixedly connected to the outer walls of the vacuum arc-extinguishing chamber.

[0010] The replacement assembly comprises a hollow groove, an anti-skid strip, a connecting plate and a plug-in plate.

[0011] The empty slot is arranged at the top end of the mounting box, the plug-in plate is slidingly connected to the inside of the empty slot, the connecting plate is slidingly connected to the inner bottom of the mounting box, and the anti-skid strip is fixedly connected to one end of the connecting plate.

[0012] Further, the replacement assembly further comprises a rotating gear, a mounting plate and an extension slot.

[0013] The rotating gear is rotationally connected to the inner wall of the mounting box, the mounting plate is fixedly connected to the top end of the plug-in plate, the rotating gear and the plug-in plate are in meshing connection, the connecting plate and the rotating gear are in meshing connection, and the extension slot is arranged at the front end of the mounting box.

[0014] Further, the inside of the plug-in plate is provided with a tooth slot, and the top end of the connecting plate is provided with a tooth block.

[0015] Further, the anti-skid strip and the extension slot are arranged on the same central shaft.

[0016] Further, the main body assembly further comprises a contact body.

[0017] The contact body is mounted at the top end of the vacuum arc-extinguishing chamber.

[0018] Further, an adjusting assembly is further included.

[0019] The adjusting assembly comprises a fixed cylinder, a disc and a movable slot.

[0020] The fixed cylinder is fixedly connected to the top end of the vacuum arc-extinguishing chamber, the movable slot is arranged at the outside of the fixed cylinder, and the disc is rotationally connected to the inside of the plug-in plate.

[0021] Further, the adjusting assembly further comprises a connecting rod and a sleeve column.

[0022] The connecting rod is fixedly connected to the top end of the disc, the sleeve column is fixedly connected to the bottom of the contact body, the outside of the connecting rod is provided with a thread, and the inside of the sleeve column is provided with a threaded groove.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] The replacement assembly is arranged, the plug-in plate and the anti-skid strip are in meshing cooperation, the plug-in plate can drive the rotating gear to rotate in the sliding process, the connecting plate can slide, the staff can be assisted to install the contact device, and the convenient replacement effect is achieved.

[0025] Based on the above beneficial effects, the fixed cylinder is vertically arranged, the disc and the connecting rod are in auxiliary cooperation, the connecting rod can drive the sleeve column to vertically ascend along the thread track outside the sleeve column in the rotating process, the contact body can be lifted, and the use position of the device can be adjusted according to actual use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following embodiment are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0027] Figure 1 is another axial view of the present application;

[0028] Figure 2 is a sectional view of the adjusting assembly of the present application;

[0029] Figure 3 is another axial view of the present application;

[0030] Figure 4 is a sectional view of the replacing assembly of the present application.

[0031] In the drawings, the components represented by each reference numeral are listed as follows:

[0032] 11, vacuum interrupter; 12, mounting box; 13, contact body;

[0033] 21, empty slot; 22, anti-skid strip; 23, connecting plate; 24, rotating gear; 25, plugboard; 26, mounting plate; 27, extension slot;

[0034] 31, fixed cylinder; 32, disc; 33, connecting rod; 34, sleeve column; 35, movable slot. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0036] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0037] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0038] Please refer to Figures 1-4 The present embodiment is a kind of quick replacing contact device of vacuum circuit breaker, including:

[0039] The main body assembly comprises a vacuum interrupter 11 and a mounting box 12;

[0040] The mounting box 12 is fixedly connected to the outer wall of the vacuum interrupter 11 on both sides;

[0041] The main body assembly further comprises a contact body 13;

[0042] The contact body 13 is arranged at the top end of the vacuum interrupter 11;

[0043] The vacuum interrupter 11 is used to provide a mounting space for the mounting box 12, and the contact body 13 is used to be tightly contacted together by the action of external force and spring;

[0044] The replacement assembly comprises a hollow groove 21, an anti-skid strip 22, a connecting plate 23 and a plug plate 25;

[0045] The hollow groove 21 is arranged at the top end of the mounting box 12, the plug plate 25 is slidingly connected to the inside of the hollow groove 21, the connecting plate 23 is slidingly connected to the inner bottom of the mounting box 12, and the anti-skid strip 22 is fixedly connected to one end of the connecting plate 23;

[0046] The replacement assembly further comprises a rotating gear 24, a mounting plate 26 and an extension groove 27;

[0047] The rotating gear 24 is rotatably connected to the inner wall of the mounting box 12, the mounting plate 26 is fixedly connected to the top end of the plug plate 25, the rotating gear 24 and the plug plate 25 are in meshing connection, the connecting plate 23 and the rotating gear 24 are in meshing connection, and the extension groove 27 is arranged at the front end of the mounting box 12;

[0048] The hollow groove 21 is used to provide a sliding space for the plug plate 25, the plug plate 25 and the rotating gear 24 are arranged on the same central axis, the connecting plate 23 and the rotating gear 24 are arranged on the same central axis, and the anti-skid strip 22 and the extension groove are arranged on the same central axis;

[0049] Through the meshing cooperation between the plug plate 25 and the anti-skid strip 22, the plug plate 25 can drive the rotating gear 24 to rotate during the sliding process, so that the connecting plate 23 slides;

[0050] Working principle: when the staff installs the contact device;

[0051] Firstly, the staff inserts the mounting box 12 into the mounting position, and simultaneously pulls the mounting plate 26 upwards, so that the mounting plate 26 slides upwards and drives the plug plate 25 fixedly connected to the bottom end to slide, and the plug plate 25 slides upwards and drives the rotating gear 24 to rotate;

[0052] Then, the lower meshing connecting plate 23 is driven to slide, and the anti-skid strip 22 fixedly connected at one end is driven to extend through the extension slot to the outside of the mounting box 12, so that one end of the anti-skid strip 22 is abutted against the mounting position, and the mounting plate 26 is mounted on the mounting position.

[0053] This step can assist the staff in assisting the installation of the contact device.

[0054] Please refer to Figures 1-4 The embodiment shown is based on the above embodiment, and further includes an adjusting assembly.

[0055] The adjusting assembly includes a fixed cylinder 31, a disc 32, and a movable slot 35.

[0056] The fixed cylinder 31 is fixedly connected to the top end of the vacuum interrupter 11, the movable slot 35 is arranged on the outside of the fixed cylinder 31, and the disc 32 is rotatably connected to the inside of the plugboard 25.

[0057] The adjusting assembly further includes a connecting rod 33 and a sleeve column 34.

[0058] The connecting rod 33 is fixedly connected to the top end of the disc 32, the sleeve column 34 is fixedly connected to the bottom of the contact body 13, the outside of the connecting rod 33 is provided with threads, and the inside of the sleeve column 34 is provided with a threaded groove.

[0059] The fixed cylinder 31 is used to open the movable slot 35, the connecting rod 33 and the sleeve column 34 are arranged on the same central axis, and the movable slot 35 is used to provide a rotating space for the disc 32.

[0060] Through the auxiliary cooperation between the disc 32 and the connecting rod 33, the connecting rod 33 can be driven to vertically rise along the thread track outside the connecting rod 33 during rotation, so as to rise the contact body 13.

[0061] Working principle: when the staff uses the contact device;

[0062] First, the disc 32 inside the movable slot 35 is rotated clockwise, so that the disc 32 drives the connecting rod 33 at the top center to rotate.

[0063] Then, the sleeve column 34 vertically rises along the thread track outside the connecting rod 33, so that the contact body 13 fixedly connected with the sleeve column 34 at the bottom vertically rises along the track inside the fixed cylinder 31.

[0064] This step can adjust the use position of the device according to actual use requirements.

[0065] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can indirectly connect through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0066] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A quick-change contact device for a vacuum circuit breaker, characterized by, The utility model relates to a kind of vacuum interrupter, including: Main body component: the main body component includes vacuum interrupter (11) and installation box (12); The installation box (12) is fixedly connected to the outer wall of vacuum interrupter (11) both sides; Replacement component: the replacement component includes empty slot (21), antiskid strip (22), connecting plate (23) and plugboard (25); The empty slot (21) is opened in the top of installation box (12), plugboard (25) is slidably connected in the inside of empty slot (21), connecting plate (23) is slidably connected in the inner bottom of installation box (12), antiskid strip (22) is fixedly connected to one end of connecting plate (23).

2. A quick-change contact device for a vacuum circuit breaker according to claim 1, characterized in that The replacement component further includes rotating gear (24), mounting plate (26) and extension slot (27); The rotating gear (24) is rotatably connected to the inner wall of installation box (12), mounting plate (26) is fixedly connected to the top of plugboard (25), rotating gear (24) and plugboard (25) are meshed connection, connecting plate (23) and rotating gear (24) are meshed connection, extension slot (27) is opened in the front end of installation box (12).

3. A quick replacement contact device for a vacuum circuit breaker as claimed in claim 1, wherein, The inside of plugboard (25) is opened in gear slot, and the top of connecting plate (23) is provided with tooth block.

4. A quick-change contact device for a vacuum circuit breaker according to claim 2, characterized in that The antiskid strip (22) and extension slot (27) are arranged on the same central axis.

5. A quick-change contact device for a vacuum circuit breaker according to claim 1, characterized in that, The main body component further includes contact body (13): The contact body (13) is installed in the top of vacuum interrupter (11).

6. A quick replacement contact device for a vacuum circuit breaker as claimed in claim 1, wherein, Further including adjusting component; The adjusting component includes fixed cylinder (31), disc (32) and movable slot (35); The fixed cylinder (31) is fixedly connected to the top of vacuum interrupter (11), the movable slot (35) is opened in the outside of fixed cylinder (31), and the disc (32) is rotatably connected to the inside of plugboard (25).

7. A quick-change contact device for a vacuum circuit breaker according to claim 6, characterized in that The adjusting component further includes connecting rod (33) and sleeve column (34); The connecting rod (33) is fixedly connected to the top of disc (32), the sleeve column (34) is fixedly connected to the bottom of contact body (13), the outside of connecting rod (33) is provided with screw thread, and the inside of sleeve column (34) is opened in thread groove.

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