CN219418808U - Circuit breaker insulation pull rod with rigidity adjustable output - Google Patents

Abstract

The utility model relates to the technical field of insulating pull rods, and discloses a circuit breaker insulating pull rod with rigidity adjustable output, which comprises a holding part, an insulating part, an operation part and a hook rod, wherein the hook rod is fixedly connected to the operation part, and the holding part, the insulating part and the operation part are assembled together to form a rod body structure; the holding part comprises an outer cylinder body and a telescopic inner rod, and the telescopic inner rod is movably inserted into the outer cylinder body; the outer cylinder body and the telescopic inner rod are connected with each other through a joint assembly and a control assembly; a cleaning component is arranged on the telescopic inner rod; an observation assembly is arranged on the insulation part. The insulation pull rod provided by the utility model replaces the traditional threaded connection mode, is convenient to install, can ensure the connection strength between the holding part and the insulation part, and avoids unnecessary safety accidents.

Description

Circuit breaker insulation pull rod with rigidity adjustable output

Technical Field

The utility model relates to the technical field of insulating pull rods, in particular to a circuit breaker insulating pull rod with rigidity adjustable output.

Background

The insulating pull rod is also called an insulating rod, is used for closing or pulling a high-voltage isolating switch, assembling and disassembling a portable grounding wire, and is used for measuring and testing, the insulating pull rod is an important part of the circuit breaker, has high requirements on the electrical property and the mechanical property of the circuit breaker, the quality of the insulating pull rod directly influences the reliability of the circuit breaker and the safe operation of a power grid, the insulating pull rod generally comprises an insulating tube and joints glued at two ends of the insulating tube, and an adhesive is filled between the inner wall surface of the insulating tube and the outer surface of the joints for bonding, so that the insulating pull rod is formed.

Chinese utility model patent with publication number CN 106548881B: the utility model provides an insulating pull rod structure, includes as the adapter sleeve of insulating pull rod main part and as external connection part first pull rod and second pull rod, adapter sleeve, first pull rod and second pull rod be metal material, the adapter sleeve constitute by the cavity that is located the centre, screw hole and the mounting hole that is located both ends, first pull rod pass through the screw hole and connect with the adapter sleeve, second pull rod one end be located the cavity, one end pass behind the mounting hole and be connected with the insulating frame outside the adapter sleeve, second pull rod and adapter sleeve between be equipped with the insulating pad; according to the technical scheme, through structural design, the stress mode of the insulating material of the traditional insulating pull rod, which bears impact tension load, is converted into alloy material stress; in the utility model, the insulating material is not subjected to impact tension load but subjected to impact pressure load, so that the capability of bearing the impact load is greatly improved, and the fatigue resistance is effectively improved, however, in actual use, the technical scheme at least has the following defects: (1) According to the technical scheme, the insulating pull rod is combined in a threaded fit mode, when the insulating pull rod is used, the tensile force applied to the connector is transmitted to the insulating tube, so that the bonding structure between the inner wall surface of the insulating tube and the outer surface of the connector is intensively stressed, the bonding structure is damaged when the acting force exceeds a certain limit, the tensile force which can be born by the bonding structure is limited, the threaded structure is easily worn by the tensile force, the connection strength is low, the phenomenon that the connector and the insulating tube fall off easily occurs, serious power failure accidents are caused, personal safety is even endangered, and the operation and maintenance cost is increased; (2) Before the insulating pull rod is assembled, a worker needs to carry out ash removal treatment on the connecting part of the insulating pull rod, and the technical scheme is inconvenient to clean and can not clean gaps of the connecting part of the insulating pull rod; (3) When the insulating pull rod is used for opening and closing, a worker is required to insert the hook rod on the insulating pull rod into the jack on the flashboard, and the position of the hook rod and the jack cannot be clearly seen by the worker due to the fact that the installation position of the circuit breaker is higher, the position of the hook rod is required to be continuously adjusted by the worker when the insulating pull rod is used for opening and closing, and the operation is inconvenient.

Therefore, there is a need to design a circuit breaker insulating pull rod with a rigid adjustable output to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a circuit breaker insulating pull rod with a rigidity adjustable output.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the circuit breaker insulation pull rod with the rigidity adjustable output comprises a holding part, an insulation part, an operation part and a hook rod, wherein the hook rod is fixedly connected to the operation part, and the holding part, the insulation part and the operation part are assembled together to form a rod body structure;

the holding part comprises an outer cylinder body and a telescopic inner rod, and the telescopic inner rod is movably inserted into the outer cylinder body;

the outer cylinder body and the telescopic inner rod are connected with each other through a joint assembly and a control assembly;

a cleaning component is arranged on the telescopic inner rod;

an observation assembly is arranged on the insulation part.

As a preferred embodiment of the present utility model, the cleaning assembly includes:

the annular cylinder is fixedly sleeved on the telescopic inner rod;

the annular piston plate is hermetically and slidingly assembled on the inner surface of the annular cylinder;

the sliding ring is sleeved on the telescopic inner rod in a sliding manner;

one end of each connecting rod is fixedly connected to the sliding ring, and the other end of each connecting rod is fixedly connected with the annular piston plate;

one end of the first spring is connected with the sliding ring, and the other end of the first spring is connected with the annular cylinder;

the cavity is arranged in the telescopic inner rod;

the air pipe is communicated with one end of the annular cylinder body, and the other end of the air pipe is communicated with the cavity;

and the air injection holes are formed in the inner top surface of the cavity.

As a preferred technical solution of the present utility model, the plug assembly includes:

the inserting block is fixedly connected to one end of the insulating part;

the two slots are formed in the side face of the insertion block;

the two clamping blocks are respectively and slidably assembled on the inner surfaces of the two grooves;

one end of the second spring is connected with the inner surfaces of the two grooves respectively, and the other end of the second spring is connected with the two clamping blocks respectively;

the four limiting blocks are arranged in pairs, are respectively and fixedly connected to the side surfaces of the two clamping blocks;

the four limiting grooves are formed in a group of two, are respectively arranged on the inner faces of the two grooves, and are respectively and slidably assembled on the inner faces of the four limiting grooves;

the slot is formed at one end of the holding part and is communicated with the plurality of air injection holes;

the two clamping grooves are formed in the inner face of the slot.

As a preferred embodiment of the present utility model, the control unit includes:

the slideway is arranged in the insulating part;

the control block is slidably assembled on the inner face of the slideway;

the sliding groove is formed in the insulating part and communicated with the slideway;

one end of the connecting block is fixedly connected to the side face of the control block, and the other end of the connecting block extends to the outside of the slideway through the sliding groove;

the two guide grooves are formed in the inner face of the sliding groove;

the two guide blocks are fixedly connected to the side surfaces of the connecting blocks and are respectively and slidably assembled on the inner surfaces of the two guide grooves;

one end of the spring III is connected with the inner bottom surface of the chute, and the other end of the spring III is connected with the connecting block;

one end of each control rod is fixedly connected to the side face of each clamping block, and the other end of each control rod extends to the inner bottom of the slideway.

As a preferred embodiment of the present utility model, the positioning assembly includes:

the positioning ring is fixedly connected to one end of the connecting block, which is positioned outside the chute;

the positioning cylinder is fixedly connected to the insulating part;

the positioning rod is assembled in the positioning cylinder in a sliding manner;

the convex ring is fixedly connected to the positioning rod;

one end of the spring IV is connected with the inner surface of the positioning cylinder, and the other end of the spring IV is connected with one end of the positioning rod;

the avoidance port is formed in the positioning cylinder, and the convex ring is slidably assembled in the avoidance port.

As a preferred embodiment of the present utility model, the observation assembly includes:

the two fixing rings are fixedly sleeved on the insulating part;

the two annular convex hulls are respectively fixedly sleeved on the two fixing rings;

the two rotating rings are respectively sleeved on the two fixed rings in a rotating way;

the two annular grooves are respectively arranged on the inner surfaces of the two rotating rings, and the two annular convex hulls are respectively clamped in the two annular grooves;

one end of each distance increasing rod is fixedly connected with each fixing ring;

the telescope is fixedly connected to the other ends of the two distance increasing rods.

As a preferable technical scheme of the utility model, the two annular convex hulls are made of rubber materials, and the outer edges of the annular convex hulls are mutually attached to the inner surface of the annular groove.

As a preferable technical scheme of the utility model, the side face of the insertion block is mutually attached to the inner face of the slot.

As a preferred embodiment of the present utility model, the locking assembly includes:

the fixed cylinder is fixedly connected to the inner surface of the outer cylinder body;

the locking pieces are fixedly connected to one end of the fixed cylinder;

the external threads are arranged on the locking pieces;

the locking cylinder is arranged on the insulating part in a sliding sleeve mode, and threads of the locking cylinder are sleeved on the external threads.

As a preferable technical scheme of the utility model, a plurality of locking pieces are distributed at equal intervals in the circumferential direction, the locking pieces are made of plastic materials, and anti-skid patterns are arranged on the surfaces of the locking pieces.

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the outer cylinder, the telescopic inner rod and the locking assembly, a worker can adjust the length of the telescopic inner rod outside the outer cylinder by using the locking assembly, so that the worker can adjust the integral length of the insulating pull rod according to actual conditions, the insulating pull rod can carry out opening and closing treatment on electric switches with different heights, and the application range of the device is enlarged;

2. according to the utility model, by arranging the cleaning component, a worker can clean the inside of the slot by using the cleaning component, so that impurities can be conveniently cleaned out of the slot;

3. according to the utility model, by arranging the plug-in component, the control component and the positioning component, a worker can connect the holding part and the insulating part by using the plug-in component, the control component and the positioning component, a traditional threaded connection mode is replaced, the installation is convenient, the connection strength between the holding part and the insulating part can be ensured, and unnecessary safety accidents are avoided;

4. according to the utility model, by arranging the observation assembly, a worker can observe the position of the hooking rod through the telescope, the telescope can amplify the visual angle picture of the worker, and the hooking rod can be conveniently inserted into the jack on the flashboard.

Drawings

FIG. 1 is a schematic diagram of a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model;

FIG. 2 is a schematic diagram of a locking assembly in a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model;

FIG. 3 is a schematic view of a plug assembly in a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model;

FIG. 4 is a schematic diagram of a control assembly in a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model;

FIG. 5 is a schematic view of a positioning assembly in a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model;

FIG. 6 is a schematic diagram of a cleaning assembly in a circuit breaker insulated pull rod with a rigid adjustable output according to the present utility model;

fig. 7 is a schematic structural view of an observation assembly in a circuit breaker insulating pull rod with a rigid adjustable output according to the present utility model.

In the figure: 100 holding part, 200 insulating part, 300 working part, 400 hooking rod, 110 outer cylinder, 120 telescopic inner rod, 130 locking component, 1301 fixed cylinder, 1302 locking piece, 1303 external thread, 1304 locking cylinder, 140 cleaning component, 1401 annular cylinder, 1402 annular piston plate, 1403 sliding ring, 1404 connecting rod, 1405 spring one, 1406 cavity, 1407 air tube, 1408 air hole, 210 plug component, 2101 plug block, 2102 groove, 2103 clamping block, 2104 spring two, 2105 limiting block, 2106 limiting groove, 2107 slot, 2108 clamping groove, 220 control component, 2201 slideway, 2202 control block, 2203 sliding groove, 2204 connecting block, 2205 guide groove, 2206 guide block, 2207 spring three, 2208 control rod, 230 positioning component, 2301 positioning ring, 2302 positioning cylinder, 2303 positioning rod, 2304 convex ring, 2305 spring four, 2306 dodging port, 240 observation component, 2401 fixed ring, 2402 annular convex packet, 2403 rotary ring, 2404 annular groove, 5 telescopic rod, 2406.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 7, the insulation pull rod of the circuit breaker with the rigidity adjustable output comprises a holding part 100, an insulation part 200, a working part 300 and a hook rod 400, wherein the hook rod 400 is fixedly connected to the working part 300, and the holding part 100, the insulation part 200 and the working part 300 are assembled together to form a rod body structure;

the holding part 100 comprises an outer cylinder 110 and a telescopic inner rod 120, and the telescopic inner rod 120 is movably inserted into the outer cylinder 110;

the outer cylinder 110 and the telescopic inner rod 120 are connected with a joint assembly 210 and a control assembly 220 and a positioning assembly 230;

the telescopic inner rod 120 is provided with a cleaning assembly 140;

the insulating portion 200 is provided with a viewing assembly 240.

Referring to fig. 6, the cleaning assembly 140 includes:

an annular cylinder 1401, wherein the annular cylinder 1401 is fixedly sleeved on the telescopic inner rod 120;

an annular piston plate 1402, the annular piston plate 1402 being sealingly and slidably fitted to the inner face of the annular cylinder 1401;

a sliding ring 1403, the sliding ring 1403 is sleeved on the telescopic inner rod 120 in a sliding way;

the two connecting rods 1404, one ends of the two connecting rods 1404 are fixedly connected to the sliding ring 1403, and the other ends of the two connecting rods 1404 are fixedly connected with the annular piston plate 1402;

one end of the first spring 1405 is connected with the sliding ring 1403, and the other end of the first spring 1405 is connected with the annular cylinder 1401, so that the sliding ring 1403 is convenient to reset by arranging the first spring 1405;

the cavity 1406, the cavity 1406 is opened inside the telescopic inner rod 120;

the air pipe 1407, one end of the air pipe 1407 is communicated with the annular cylinder 1401, and the other end of the air pipe 1407 is communicated with the cavity 1406;

the plurality of air holes 1408 are formed in the inner top surface of the cavity 1406, and the plurality of air holes 1408 are uniformly distributed, so that the cleaning effect of the cleaning assembly 140 on the slot 2107 can be ensured.

Referring to fig. 3-4, the plug assembly 210 includes:

an insert 2101, the insert 2101 being fixedly connected to one end of the insulating part 200;

two slots 2102, the two slots 2102 being formed on the side of the insert block 2101;

two clamping blocks 2103, wherein the two clamping blocks 2103 are respectively and slidably assembled on the inner surfaces of the two slots 2102;

two springs 2104, one end of the two springs 2104 is connected with the inner surfaces of the two slots 2102 respectively, and the other end of the two springs 2104 is connected with the two clamping blocks 2103 respectively;

the four limiting blocks 2105 are arranged in pairs, and the four limiting blocks 2105 are fixedly connected to the side surfaces of the two clamping blocks 2103 respectively;

the four limiting grooves 2106 are formed in a group of two by two mode, the four limiting grooves 2106 are respectively formed in the inner faces of the two grooves 2102, the four limiting blocks 2105 are respectively and slidably assembled in the inner faces of the four limiting grooves 2106, and the limiting blocks 2105 and the limiting grooves 2106 play a role in limiting and guiding the movement of the clamping blocks 2103;

the slot 2107, the slot 2107 is arranged at one end of the holding part 100, and the slot 2107 is communicated with a plurality of air injection holes 1408;

two clamping grooves 2108 are formed in the inner surface of the slot 2107, and the two clamping grooves 2108 are formed in the inner surface of the slot 2107.

Referring to fig. 4, the control assembly 220 includes:

a slideway 2201, wherein the slideway 2201 is arranged inside the insulating part 200;

a control block 2202, the control block 2202 being slidably fitted to the inner surface of the slide 2201;

the sliding groove 2203, the sliding groove 2203 is arranged on the insulating part 200, and the sliding groove 2203 is communicated with the sliding way 2201;

the connecting block 2204, one end of the connecting block 2204 is fixedly connected to the side surface of the control block 2202, and the other end of the connecting block 2204 extends to the outside of the slideway 2201 through the sliding groove 2203;

two guide grooves 2205, wherein the two guide grooves 2205 are all arranged on the inner surface of the sliding groove 2203;

the two guide blocks 2206 are fixedly connected to the side face of the connecting block 2204, the two guide blocks 2206 are respectively and slidably assembled on the inner faces of the two guide grooves 2205, and the two guide grooves 2205 play a role in limiting and guiding the movement of the connecting block 2204;

the spring III 2207, one end of the spring III 2207 is connected with the inner bottom surface of the sliding groove 2203, the other end of the spring III 2207 is connected with the connecting block 2204, and the reset of the two clamping blocks 2103 is facilitated by arranging the spring III 2207;

the two control rods 2208, one ends of the two control rods 2208 are respectively and fixedly connected to the side surfaces of the two clamping blocks 2103, the other ends of the two control rods 2208 extend to the inner bottom of the slideway 2201, and one ends of the two control rods 2208, which are close to each other, are of a hemispherical structure, so that the two control rods 2208 can move when being extruded.

Referring to fig. 4-5, the positioning assembly 230 includes:

the positioning ring 2301, the positioning ring 2301 is fixedly connected to one end of the connecting block 2204, which is located outside the chute 2203;

a positioning tube 2302, the positioning tube 2302 being fixedly connected to the insulating portion 200;

a positioning rod 2303, the positioning rod 2303 being slidably fitted inside the positioning cylinder 2302;

a collar 2304, the collar 2304 being fixedly connected to the positioning rod 2303;

the spring IV 2305, one end of the spring IV 2305 is connected with the inner surface of the positioning cylinder 2302, the other end of the spring IV 2305 is connected with one end of the positioning rod 2303, and the reset of the positioning rod 2303 is facilitated by arranging the spring IV 2305;

dodge the mouth 2306, dodge the mouth 2306 and offer on the positioning tube 2302, the bulge loop 2304 sliding fit is dodged the inside of mouth 2306, through setting up locating component 230, is convenient for fix the position of connecting block 2204.

Referring to fig. 7, the observation assembly 240 includes:

two fixing rings 2401, wherein the two fixing rings 2401 are fixedly sleeved on the insulating part 200;

the two annular convex hulls 2402 are respectively fixedly sleeved on the two fixing rings 2401;

two rotating rings 2403, wherein the two rotating rings 2403 are respectively sleeved on the two fixed rings 2401 in a rotating way;

the two annular grooves 2404, the two annular grooves 2404 are respectively arranged on the inner surfaces of the two rotating rings 2403, and the two annular convex hulls 2402 are respectively clamped in the two annular grooves 2404;

the two distance increasing rods 2405, one ends of the two distance increasing rods 2405 are fixedly connected with the two fixing rings 2401 respectively;

telescope 2406, telescope 2406 fixed connection is in the other end of two increase apart from pole 2405, and staff's accessible telescope 2406 observes the position of colluding pole 400, and telescope 2406 can enlarge staff's visual angle picture, is convenient for insert collude in the jack on the flashboard with colluding pole 400.

Referring to fig. 7, the two annular convex hulls 2402 are made of rubber materials, so that a large friction force exists between the annular convex hulls 2402 and the rotating ring 2403, the telescope 2406 is prevented from rotating under the non-artificial action, the stability of the telescope 2406 is ensured, the outer edge of the annular convex hulls 2402 and the inner face of the annular groove 2404 are mutually attached, and the connection stability between the fixed ring 2401 and the rotating ring 2403 can be ensured through the arrangement.

Referring to fig. 3, the side surface of the insert block 2101 and the inner surface of the slot 2107 are bonded to each other, and thus the connection stability between the grip portion 100 and the insulating portion 200 can be ensured.

Referring to fig. 2, the locking assembly 130 includes:

a fixing cylinder 1301, the fixing cylinder 1301 being fixedly connected to an inner face of the outer cylinder 110;

a plurality of locking pieces 1302, each locking piece 1302 is fixedly connected to one end of the fixed cylinder 1301;

external threads 1303, the external threads 1303 being provided on a plurality of locking tabs 1302;

the locking cylinder 1304, the locking cylinder 1304 is slidably sleeved on the insulation part 200, and the locking cylinder 1304 is in threaded sleeve connection with the external thread 1303, so that the length of the holding part 100 can be conveniently adjusted by arranging the locking component 130.

Referring to fig. 2, the locking pieces 1302 are distributed at equal intervals in the circumferential direction, so that the fixing effect of the locking pieces 1302 on the telescopic inner rod 120 can be ensured, the locking pieces 1302 are made of plastic materials, deformation of the locking pieces 1302 is facilitated when the locking pieces 1302 are extruded, anti-slip patterns are formed on the surfaces of the locking pieces 1302, friction force between the locking pieces 1302 and the telescopic inner rod 120 can be increased, and the fixing effect of the locking pieces 1302 on the telescopic inner rod 120 is ensured.

The specific working principle of the utility model is as follows:

when the insulation pull rod is in actual use, the length of the holding part 100 is adjustable, a worker can conveniently adjust the whole length of the insulation pull rod according to actual conditions, the holding part 100 comprises an outer cylinder 110 and a telescopic inner rod 120, the telescopic inner rod 120 is movably inserted into the outer cylinder 110, the outer cylinder 110 is connected with the telescopic inner rod 120 through a locking assembly 130, when the length of the holding part 100 is adjusted, the worker firstly screws a locking cylinder 1304 to enable the locking cylinder 1304 to be separated from a plurality of locking sheets 1302, when the locking cylinder 1304 is separated from the locking sheets 1302, the locking sheets 1302 deform under the action of self elasticity and are separated from the telescopic inner rod 120, at the moment, the telescopic inner rod 120 and the outer cylinder 110 can slide relatively, the worker can pull the telescopic inner rod 120, and adjust the length of the telescopic inner rod 120 outside the outer cylinder 110, when the telescopic inner rod 120 is adjusted to a proper position, the worker turns over the locking cylinder 1304 under the action of an external thread 1303, the locking cylinder 1304 is sleeved on the locking sheets 1302, in the process, the locking cylinder 1302 can be pressed against the locking sheets 1302, the locking sheets can be pressed against the inner rod 120 by the action of the external thread 1303, and the locking sheets can be pressed against the inner rod 120, the locking sheets can be further fixed, and the friction sheets can be deformed, and the inner rod 120 can be further fixed, and the inner sheets can be deformed by the stretching tightly.

After the length of the holding part 100 is adjusted, a worker can clean the inside of the inserting groove 2107 by using the cleaning assembly 140, impurities are cleaned out of the inside of the inserting groove 2107, during cleaning, the worker can move the sliding ring 1403, the sliding ring 1403 can drive the annular piston plate 1402 to move through the two connecting rods 1404 when moving, the annular piston plate 1402 can push air in the annular cylinder 1401 into the inside of the cavity 1406 through the air pipe 1407 when moving, then, the air can be sprayed into the inside of the inserting groove 2107 through the plurality of air spraying holes 1408, the air flow can blow out the impurities in the inserting groove 2107, the inserting groove 2107 is cleaned, and the hole diameters of the plurality of air spraying holes 1408 are small enough.

After the slot 2107 is cleaned, a worker can connect the holding part 100 and the insulating part 200 by using the plugging component 210, the control component 220 and the positioning component 230, when the connection is performed, the worker firstly inserts the plugging component 2101 into the slot 2107 and moves the two clamping blocks 2103 to the positions opposite to the two clamping grooves 2108, then, the worker pulls the connecting block 2204 downwards, the connecting block 2204 can drive the control block 2202 to move downwards when moving downwards, when the lower end of the control block 2202 is contacted with the two control rods 2208, the inclined surface part of the control block 2202 extrudes one end of the two control rods 2208 close to each other, the two control rods 2208 move along the inclined surface part of the control block 220, the two control rods 2208 drive the two clamping blocks 2103 to move away from each other until the two clamping blocks 2103 move into the two clamping grooves 2108 respectively, the two clamping blocks 2103 and the two clamping grooves 2108 can fix the inserting block 2101 in the slot 2107, the connection between the holding part 100 and the insulating part 200 can be completed, when the connecting block 2202 moves to the lower limit end, a worker can pull the convex ring 2304 to enable the convex ring 2304 to drive the positioning rod 2303 to move until one end of the positioning rod 2303 is retracted into the inside of the positioning cylinder 2302, when the positioning rod 2303 does not shade a notch of the positioning cylinder 2302 any more, the worker can put the positioning ring 2301 into the inside of the positioning cylinder 2302, finally, the worker releases the convex ring 2304, under the elastic force of the spring four 2305, the positioning rod 2303 can be reset, and the notch of the positioning cylinder 2302 is shaded again, the positioning ring 2301 can be prevented from being separated from the positioning cylinder 2302, the positioning ring 2301 and the positioning cylinder 2302 can play a role in fixing the position of the connecting block 2204, the position of the control block 2302 can be further fixed, the stability of the two clamping blocks 2103 can be ensured, furthermore, the connection stability between the holding portion 100 and the insulating portion 200 is ensured, and it should be noted that the insulating portion 200 and the working portion 300 may also be connected to the positioning assembly 230 through the plugging assembly 210, the control assembly 220, and the details thereof will not be repeated here.

After the insulating pull rod is assembled, a worker can open and close the brake by using the insulating pull rod, when the position of the hook rod 400 is controlled, the worker can observe the position of the hook rod 400 through the telescope 2406, the view angle picture of the worker can be enlarged by the telescope 2406, the hook rod 400 can be conveniently inserted into the jack on the flashboard, the rotating ring 2403 and the fixed ring 2401 can relatively rotate, the worker can conveniently adjust the position of the telescope 2406, the annular convex hull 2402 and the annular groove 2404 can prevent the rotating ring 2403 from falling off from the fixed ring 2401, the limiting effect is achieved on the rotating ring 2403, the annular convex hull 2402 is made of rubber materials, larger friction force is formed between the annular convex hull 2402 and the rotating ring 2403, the telescope 2406 is prevented from rotating under non-artificial effect, and the stability of the telescope 2406 is ensured.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The utility model provides a circuit breaker insulation pull rod with rigidity adjustable output, includes gripping portion (100), insulating portion (200), operation portion (300) and colludes pole (400), collude pole (400) fixed connection on operation portion (300), gripping portion (100), insulating portion (200) and operation portion (300) assemble into a body of rod structure jointly, its characterized in that:

the holding part (100) comprises an outer cylinder body (110) and a telescopic inner rod (120), the telescopic inner rod (120) is movably inserted into the outer cylinder body (110), and the outer cylinder body (110) is connected with the telescopic inner rod (120) through a locking component (130);

the outer cylinder body (110) and the telescopic inner rod (120) are connected with a joint assembly (210) and a control assembly (220) and a positioning assembly (230);

the telescopic inner rod (120) is provided with a cleaning component (140);

an observation assembly (240) is provided on the insulating part (200).

2. The circuit breaker insulating tie bar with rigid adjustable output of claim 1, wherein the cleaning assembly (140) includes:

the annular cylinder body (1401) is fixedly sleeved on the telescopic inner rod (120);

an annular piston plate (1402), the annular piston plate (1402) being sealingly and slidably fitted to the inner face of the annular cylinder (1401);

a sliding ring (1403), wherein the sliding ring (1403) is sleeved on the telescopic inner rod (120) in a sliding way;

the two connecting rods (1404), one ends of the two connecting rods (1404) are fixedly connected to the sliding ring (1403), and the other ends of the two connecting rods (1404) are fixedly connected with the annular piston plate (1402);

a first spring (1405), one end of the first spring (1405) is connected with the sliding ring (1403), and the other end of the first spring (1405) is connected with the annular cylinder body (1401);

the cavity (1406), the cavity (1406) is opened in the interior of the telescopic inner rod (120);

an air pipe (1407), wherein one end of the air pipe (1407) is communicated with the annular cylinder body (1401), and the other end of the air pipe (1407) is communicated with the cavity (1406);

and a plurality of air injection holes (1408), wherein each air injection hole (1408) is arranged on the inner top surface of the cavity (1406).

3. The circuit breaker insulating pull rod with rigid adjustable output of claim 2, wherein the plug assembly (210) comprises:

an insertion block (2101), wherein the insertion block (2101) is fixedly connected to one end of the insulation part (200);

two slots (2102), wherein the two slots (2102) are arranged on the side surface of the inserting block (2101);

two clamping blocks (2103), wherein the two clamping blocks (2103) are respectively and slidably assembled on the inner surfaces of the two slots (2102);

one end of the two springs (2104) is connected with the inner surfaces of the two slots (2102) respectively, and the other end of the two springs (2104) is connected with the two clamping blocks (2103) respectively;

the four limiting blocks (2105) are arranged in pairs, and the four limiting blocks (2105) are fixedly connected to the side surfaces of the two clamping blocks (2103) respectively;

the four limiting grooves (2106) are formed in a group of two by two and are respectively arranged on the inner faces of the two slots (2102), and the four limiting blocks (2105) are respectively and slidably assembled on the inner faces of the four limiting grooves (2106);

the slot (2107) is formed in one end of the holding part (100), and the slot (2107) is communicated with the plurality of air spraying holes (1408);

two clamping grooves (2108), wherein the two clamping grooves (2108) are all arranged on the inner surface of the slot (2107).

4. A circuit breaker insulating pull rod with a rigid adjustable output according to claim 3, characterized in that the control assembly (220) comprises:

a slideway (2201), wherein the slideway (2201) is arranged inside the insulation part (200);

a control block (2202), the control block (2202) being slidably mounted on the inner surface of the slide (2201);

the sliding groove (2203) is formed in the insulating part (200), and the sliding groove (2203) is communicated with the sliding way (2201);

one end of the connecting block (2204) is fixedly connected to the side face of the control block (2202), and the other end of the connecting block (2204) extends to the outside of the slideway (2201) through the sliding groove (2203);

two guide grooves (2205), wherein the two guide grooves (2205) are all arranged on the inner surface of the sliding groove (2203);

the two guide blocks (2206), the two guide blocks (2206) are fixedly connected to the side surfaces of the connecting block (2204), and the two guide blocks (2206) are respectively and slidably assembled on the inner surfaces of the two guide grooves (2205);

a third spring (2207), wherein one end of the third spring (2207) is connected with the inner bottom surface of the sliding groove (2203), and the other end of the third spring (2207) is connected with the connecting block (2204);

two control rods (2208), one ends of the two control rods (2208) are respectively and fixedly connected to the side surfaces of the two clamping blocks (2103), and the other ends of the two control rods (2208) extend to the inner bottoms of the slide ways (2201).

5. The circuit breaker insulating tie bar with rigid adjustable output of claim 4, wherein the positioning assembly (230) includes:

the positioning ring (2301), the positioning ring (2301) is fixedly connected to one end of the connecting block (2204) positioned outside the chute (2203);

a positioning cylinder (2302), wherein the positioning cylinder (2302) is fixedly connected to the insulating part (200);

a positioning rod (2303), the positioning rod (2303) being slidably fitted inside the positioning cylinder (2302);

a convex ring (2304), the convex ring (2304) being fixedly connected to the positioning rod (2303);

a fourth spring (2305), one end of the fourth spring (2305) is connected with the inner surface of the positioning cylinder (2302), and the other end of the fourth spring (2305) is connected with one end of the positioning rod (2303);

the avoidance opening (2306), the avoidance opening (2306) is arranged on the positioning cylinder (2302), and the convex ring (2304) is assembled in the avoidance opening (2306) in a sliding way.

6. The circuit breaker insulating tie rod with rigid adjustable output of claim 1, wherein the viewing assembly (240) comprises:

the two fixing rings (2401), the two fixing rings (2401) are fixedly sleeved on the insulating part (200);

the two annular convex hulls (2402), the two annular convex hulls (2402) are respectively fixedly sleeved on the two fixing rings (2401);

the two rotating rings (2403), the two rotating rings (2403) are respectively sleeved on the two fixed rings (2401) in a rotating way;

the two annular grooves (2404), the two annular grooves (2404) are respectively arranged on the inner surfaces of the two rotating rings (2403), and the two annular convex hulls (2402) are respectively clamped in the two annular grooves (2404);

one end of each distance increasing rod (2405) is fixedly connected with each fixing ring (2401);

and the telescope (2406), wherein the telescope (2406) is fixedly connected with the other ends of the two distance-increasing rods (2405).

7. The circuit breaker insulating pull rod with the rigidity adjustable output according to claim 6, wherein the two annular convex hulls (2402) are made of rubber materials, and the outer edges of the annular convex hulls (2402) are mutually attached to the inner face of the annular groove (2404).

8. A circuit breaker insulating tie bar with rigid adjustable output according to claim 3, wherein the sides of the insert block (2101) are in contact with the inner faces of the socket (2107).

9. The circuit breaker insulating pull rod with rigid adjustable output of claim 1, wherein the locking assembly (130) comprises:

a fixed cylinder (1301), wherein the fixed cylinder (1301) is fixedly connected to the inner surface of the outer cylinder body (110);

the locking pieces (1302) are fixedly connected to one end of the fixed cylinder (1301);

an external thread (1303), wherein the external thread (1303) is arranged on a plurality of locking pieces (1302);

and the locking cylinder (1304) is sleeved on the insulating part (200) in a sliding way, and the locking cylinder (1304) is sleeved on the external thread (1303) in a threaded way.

10. The circuit breaker insulating pull rod with the rigidity adjustable output according to claim 9, wherein a plurality of locking pieces (1302) are distributed at equal intervals in the circumferential direction, the locking pieces (1302) are made of plastic materials, and anti-skidding patterns are arranged on the surfaces of the locking pieces (1302).