CN211319891U

CN211319891U - Mutual inductor fixing device

Info

Publication number: CN211319891U
Application number: CN202020095891.4U
Authority: CN
Inventors: 徐袁林; 宋伟波; 李华娟; 李玲萍; 陈志华
Original assignee: Suzhou Longning Electric Power Engineering Co ltd
Current assignee: Suzhou LONGNING Electric Power Technology Co.,Ltd.
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-21
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a mutual-inductor fixing device aims at solving and is connected insecure problem between mutual-inductor and the cable. The key points of the technical scheme are as follows: including mutual-inductor, fixed knot structure and ligature area, through ligature area fixed connection, its characterized in that between mutual-inductor and the fixed knot structure: fixed knot constructs including frame, two push rods and two gag lever posts, the intermediate position of frame is equipped with and holds the chamber, holds and offers the logical groove that is used for placing the push rod on the chamber wall in chamber, is equipped with the fixture block chamber that is used for placing the gag lever post on the lateral wall that leads to the chamber, gag lever post and fixture block chamber fixed connection, the one end of gag lever post is equipped with spring one and spring block, the one end and the gag lever post fixed connection of spring one, the other end and the spring block fixed connection of spring one, be equipped with fixed connection's briquetting on the push rod, be equipped with the pressure mouth that is used for laminating the cable on the briquetting, the utility model discloses a insecure problem has been connected between.

Description

Mutual inductor fixing device

Technical Field

The utility model relates to a mutual-inductor technical field, more specifically say, it relates to a mutual-inductor fixing device.

Background

In the power supply line, the current varies from a few amperes to tens of thousands of amperes, and the voltage varies from a few volts to millions of volts. The current and voltage in the line are relatively high, and direct measurement is very dangerous. In order to facilitate the conversion of the secondary instrument measurement into more uniform current and voltage, the transformer is used for converting current and voltage and electrically isolating. The display instrument is mostly a needle-type current voltmeter, so the secondary current of the current transformer is mostly in ampere level. With the development of the times, most of the electricity measurement is digitalized, and the sampled signal of the computer is generally in milliampere level. The secondary current of the micro current transformer is milliampere level, and the micro current transformer mainly plays a role of a bridge between the large transformer and sampling. The miniature current transformer is called as 'current transformer for instrument'. In order to facilitate fixing of the existing mutual inductor, an iron sheet is usually fixed on the side edge of the mutual inductor, a through hole is formed in the iron sheet, and the iron sheet is fixed on a wall or a shell through a bolt penetrating through the through hole during fixing. However, the fixing device needs to be perforated on the wall and the shell, which may cause damage to the wall and the shell, and the fixing method is not suitable for suspended wires.

Chinese patent mutual-inductor fixing device with publication number CN206040360U, including two slides, the fixed ribbon in two slide bottoms, the ribbon is fixed the slide on the mutual-inductor through winding and tightening at the mutual-inductor, the central line of two slides is on a straight line and its central line extension line passes through the centre of a circle of mutual-inductor, slide fit-in slider, vertical solid fixed splint on the slider, the transversal arc of personally submitting of splint, fixed double faced adhesive tape on the clamping face of splint, the fixed arc broach in arc splint side edge, the broach is unanimous with the radian of splint, the arc broach on the two splint can intercrossing, can directly fix the mutual-inductor on the electric wire, can not cause the damage to wall body and casing, increase of service life, moreover, the steam generator is simple in.

Above-mentioned utility model adopts the double faced adhesive tape to fix, and the double faced adhesive tape can receive the influence of factors such as dust, morals and manners and lose viscidity gradually, therefore has certain limitation.

The utility model provides a new technical scheme solves and is connected insecure problem between mutual-inductor and the cable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mutual-inductor fixing device has solved the insecure problem of being connected between mutual-inductor and the cable through setting up of fixed knot structure.

The above technical purpose of the present invention can be achieved by the following technical solutions: a mutual inductor fixing device comprises a mutual inductor, a fixing structure and a binding belt, wherein the mutual inductor is fixedly connected with the fixing structure through the binding belt, the fixing structure comprises a frame, two push rods and two limiting rods, wherein an accommodating cavity is arranged in the middle of the frame, a through groove for placing the push rod is arranged on the cavity wall of the accommodating cavity, a clamping block cavity for placing the limiting rod is arranged on the side wall of the through groove, the limiting rod is fixedly connected with the clamping block cavity, one end of the limiting rod is provided with a first spring and a spring block, one end of the first spring is fixedly connected with the limiting rod, the other end of the first spring is fixedly connected with the spring block, the push rod is provided with a pressing block fixedly connected, a pressing opening used for being attached to a cable is formed in the pressing block, and a plurality of clamping grooves used for being embedded into the spring block are formed in one side of the push rod.

By adopting the technical scheme, the fixing structure is arranged for fixing the mutual inductor and the cable, the binding belt is arranged for realizing the connection of the mutual inductor and the fixing structure, the frame is arranged for bearing each part of the fixing structure, the push rod is arranged for realizing the change of the position of the pressing block and further realizing the fixing effect of the fixing structure, the limiting rod is arranged for limiting the position of the push rod and further limiting the position of the pressing block, the accommodating cavity is arranged for providing a space for the movement of the parts in the fixing structure, the through groove is arranged for inserting the push rod to realize the sliding connection of the push rod and the frame, the clamping block cavity is arranged for inserting the limiting rod to further realize the limitation of the limiting rod on the position of the push rod, meanwhile, the limiting rod, the spring I and the spring I are all arranged in fixed connection, the spring I and the spring I can be taken out from the clamping block cavity, spring one and spring block's setting be used for with the push rod on the draw-in groove combined action realize the injecing to the push rod position, and then realize the connection of cable and mutual-inductor, the setting of pressure port is used for with the cable laminating on the briquetting, the restriction effect to the cable is guaranteed to the position of restriction cable, the utility model discloses a setting up of new structure has realized that cable and mutual-inductor are swiftly convenient to be connected and dismantlement.

The utility model discloses further set up to: the pressing block and the push rod are provided with a telescopic rod and a second spring, and two ends of the second spring and two ends of the telescopic rod are fixedly connected with the push rod and the pressing block respectively.

Through adopting above-mentioned technical scheme, the setting of telescopic link is used for realizing the fixed connection of briquetting and push rod, and the setting of spring two is used for the process that compresses tightly of buffering briquetting and cable on the one hand, realizes the protection to the cable, and on the other hand utilizes the elasticity that two productions of compressed springs to increase fixed knot and constructs the fixed effect to the cable, and then makes overall structure more stable.

The utility model discloses further set up to: the pressure port is arranged in a V shape.

Through adopting above-mentioned technical scheme, will press the mouth to set up to the V-arrangement, utilize the pressure mouth of V-arrangement to the good characteristics of neutrality, strengthen overall structure to the injecing of cable position, and then strengthen overall structure's stability.

The utility model discloses further set up to: and a rubber cushion layer is arranged in the pressure port.

Through adopting above-mentioned technical scheme, the setting up of rubber cushion in the pressure port is used for increasing the frictional force of cable and pressure mouth department on the one hand, and then makes overall structure more stable, and on the other hand is used for realizing the guard action to the cable, avoids fixed knot to the damage of cable.

The utility model discloses further set up to: one side of the push rod, which deviates from the pressing block, is provided with a push handle.

Through adopting above-mentioned technical scheme, push away the handle setting and be used for making things convenient for the operator to push into logical inslot with the push rod.

The utility model discloses further set up to: the cross section of the spring block is in a right trapezoid shape, and the surface where the oblique edge is located faces the direction away from the pressing block.

Through adopting above-mentioned technical scheme, set up the cross sectional shape of spring block into right trapezoid and the face orientation at hypotenuse place deviates from the direction of briquetting, can realize that the push rod gets into the in-process spring block that leads to the groove and does not produce spacing effect, and when the push rod reachd the limit position, the spring block produced spacing effect, and then realized the clamp to the cable tightly, realized the fixed of mutual-inductor and cable.

The utility model discloses further set up to: one side of the clamping groove, which deviates from the pressing block, is provided with a chute, and the chute is communicated with the bottom of the clamping groove and the top of the clamping groove.

Through adopting above-mentioned technical scheme, the setting of chute is used for avoiding the draw-in groove to the restriction of spring block, and then makes the process that the push rod compressed tightly the cable become more smooth and easy.

The utility model discloses further set up to: and a knob is arranged on one side of the limiting rod, which deviates from the spring block.

Through adopting above-mentioned technical scheme, the setting of knob utilizes lever principle to make the gag lever post process of unscrewing become simple swift, and then makes the operator can obtain better operation experience.

To sum up, the utility model discloses following beneficial effect has:

the utility model provides a mutual-inductor fixing device, fixed knot constructs the fixed connection that is used for realizing cable and mutual-inductor, and then solve mutual-inductor and cable connection unstable problem, the setting of gag lever post is used for realizing injecing the push rod position, the gag lever post can also cancel the injecing to the push rod position, and then make overall structure's regulation more convenient, set up the pressure mouth of briquetting into the V-arrangement, the pressure mouth that utilizes the V-arrangement has the characteristics that the centering nature is good and realize the injecing to the cable position, and then reinforcing overall structure's stability.

Drawings

Fig. 1 is a schematic structural view of a transformer fixing device of the present invention, which is mainly used for showing the overall structure of the present invention;

fig. 2 is a front view of the instrument transformer fixing device of the present invention, which is mainly used for showing the front view structure of the present invention;

FIG. 3 is a partial view of FIG. 2B, primarily illustrating the structure at B;

fig. 4 is a schematic diagram of a limiting rod structure of the fixing device for mutual inductor according to the present invention, which is mainly used for showing the structure of the limiting rod;

fig. 5 is a schematic view of a push rod structure of the fixing device for mutual inductor according to the present invention, which is mainly used for showing the push rod structure of the present invention;

FIG. 6 is a partial view of FIG. 5A, primarily illustrating the structure at A;

fig. 7 is the utility model relates to a mutual-inductor fixing device's frame elevation, mainly used shows the structure that leads to groove and fixture block chamber.

In the figure: 1. a transformer; 2. binding tapes; 3. a frame; 4. a push rod; 5. a limiting rod; 6. an accommodating chamber; 7. a through groove; 8. a clamping block cavity; 9. a first spring; 10. a spring block; 11. briquetting; 12. pressing a port; 13. a card slot; 14. a telescopic rod; 15. a second spring; 16. a push handle; 17. a chute; 18. a knob.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A mutual inductor 1 fixing device is disclosed, as shown in figures 1-7, comprising a mutual inductor 1, a fixing structure and a binding belt 2, wherein the fixing structure is arranged for fixing the mutual inductor 1 and a cable, the mutual inductor 1 is fixedly connected with the fixing structure through the binding belt 2, the fixing structure comprises a frame 3, two push rods 4 and two limiting rods 5, the frame 3 is arranged for bearing each part of the fixing structure, the push rods 4 are arranged for realizing the change of the positions of pressing blocks 11 and further realizing the fixing effect of the fixing structure, the limiting rods 5 are arranged for limiting the positions of the push rods 4 and further limiting the positions of the pressing blocks 11, an accommodating cavity 6 is arranged at the middle position of the frame 3, the accommodating cavity 6 is arranged for providing a space for the movement of the parts inside the fixing structure, a through groove 7 for placing the push rods 4 is arranged on the cavity wall of the accommodating cavity 6, a clamping block cavity 8 for placing the limiting rods 5 is, the limiting rod 5 is fixedly connected with the clamping block cavity 8 through threads, the limiting rod 5 is provided with a spring I9 and a spring block 10, the spring I9 and the spring block 10 are arranged to be used for limiting the position of the push rod 4 under the combined action of a clamping groove 13 on the push rod 4, and further connecting a cable and a mutual inductor 1, one end of the spring I9 is fixedly connected with the limiting rod 5 through welding, the other end of the spring I9 is fixedly connected with the spring block 10 through welding, the limiting rod 5, the spring I9 and the spring block 10 are all fixedly connected, the spring I9 and the spring block 10 can be taken out of the clamping block cavity 8 through the limiting rod 5, the limitation of the limiting rod 5 on the push rod 4 is cancelled, the cross section of the spring block 10 is in a right trapezoid shape, the bevel edge faces the direction back to the pressing block 11, and the spring block 10 does not generate limiting action in the process that the push rod 4 enters the through groove 7 through the, when the push rod 4 reaches the limiting position, the spring block 10 has a limiting effect, so that the cable is clamped, the mutual inductor 1 and the cable are fixed, a knob 18 fixedly connected through welding is arranged on one side of the limiting rod 5, which is far away from the spring block 10, the knob 18 is arranged, the screwing-out process of the limiting rod 5 is simple and quick by utilizing the lever principle, so that an operator can obtain better operation experience, a pressing block 11 fixedly connected is arranged at one end of the push rod 4, a pushing handle 16 is arranged on one side of the push rod 4, which is far away from the pressing block 11, the pushing handle 16 is arranged to facilitate the operator to push the push rod 4 into the through groove 7, a pressing port 12 used for attaching the cable is arranged on the pressing block 11, the position of the cable is limited by the pressing port 12, the limiting effect on the cable is ensured, the pressing port 12 is arranged in a V shape, the pressing port 12 is arranged in the V shape, and the V-shaped, the limiting of the overall structure to the cable position is enhanced, the stability of the overall structure is further enhanced, a rubber cushion layer is arranged in the pressure port 12, the arrangement of the rubber cushion layer in the pressure port 12 is used for increasing the friction force between the cable and the pressure port 12 on one hand, so that the overall structure is more stable, on the other hand, the protection effect on the cable is achieved, the damage of a fixed structure to the cable is avoided, one side of the push rod 4 is provided with a plurality of clamping grooves 13 used for embedding the spring blocks 10, one side, away from the pressure block 11, of each clamping groove 13 is provided with a chute 17, each chute 17 is communicated with the bottom of each clamping groove 13 and the top of each clamping groove 13, the arrangement of each chute 17 is used for avoiding the limitation of each clamping groove 13 on the spring blocks 10, so that the process of the push rod 4 for pressing the cable is smoother, a telescopic rod 14 and a spring two 15 are arranged, the setting of spring two 15 is used for the buffering briquetting 11 and the process that compresses tightly of cable on the one hand, realizes the protection to the cable, and on the other hand utilizes the elasticity that compressed spring two 15 produced to increase fixed knot and constructs the fixed effect to the cable, and then makes overall structure more stable.

The installation process comprises the following steps: fixedly connecting one end of a pressing block 11, which is away from a pressing opening 12, with one end of a telescopic rod 14 by welding, sleeving a spring II 15 around the telescopic rod 14, fixedly connecting one end of the spring II 15 with the pressing block 11 by welding, fixedly connecting the other ends of the spring II 15 and the telescopic rod 14 with a push rod 4 by welding, corresponding one side of the push rod 4, which is provided with a clamping groove 13, to one side of a through groove 7, which is internally provided with a clamping block cavity 8, pushing the push rod 4 into the through groove 7, fixedly connecting a push handle 16 with one end of the push rod 4, which is away from the pressing block 11, by welding, fixedly connecting one end of a spring I9 with a spring block 10, fixedly connecting the other end of the spring I9 with a limiting rod 5 by welding, screwing the limiting rod 5 into the clamping block cavity 8 by a thread and ensuring that the side, which faces away from the pressing block 11, of the inclined plane of the spring, the installation process of the utility model is completed.

The working principle is as follows: the assembled structure is sleeved on a cable, a push handle 16 is pushed to drive a push rod 4 to move, a clamping groove 13 on the push rod 4 is clamped with a spring block 10 arranged on a limiting rod 5, the cross section of the spring block 10 is in a right trapezoid shape, the plane where the inclined plane of the spring block 10 faces to the side away from a pressing block 11 and is matched with a chute 17 arranged in the clamping groove 13, the clamping groove 13 does not limit the pushing-in process of the push rod 4, the push rod 4 can be continuously pushed inwards when a pressing opening 12 of the pressing block 11 is attached to the cable, a spring II 15 and a telescopic rod 14 are compressed, the stability of the whole structure is enhanced by utilizing the elastic force generated by the compressed spring II 15, when the push rod 4 is pushed in place, the spring block 10 is kept in the clamping groove 13 under the pushing of the elastic force of the compressed spring I9, the clamping groove 13 realizes the limitation on the movement of the push rod 4, when the position needs, cancel the injecture of gag lever post 5 to 4 positions of push rod, and then can realize the change of mutual-inductor 1 position, it is just above-mentioned the utility model discloses a theory of operation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mutual inductor fixing device, includes mutual inductor (1), fixed knot structure and ligature area (2), mutual inductor (1) with pass through between the fixed knot structure ligature area (2) fixed connection, its characterized in that: the fixing structure comprises a frame (3), two push rods (4) and two limiting rods (5), a containing cavity (6) is arranged at the middle position of the frame (3), a through groove (7) used for placing the push rods (4) is formed in the cavity wall of the containing cavity (6), a fixture block cavity (8) used for placing the limiting rods (5) is formed in the side wall of the through groove (7), the limiting rods (5) are fixedly connected with the fixture block cavity (8), a first spring (9) and a spring block (10) are arranged at one end of each limiting rod (5), one end of the first spring (9) is fixedly connected with the limiting rods (5), the other end of the first spring (9) is fixedly connected with the spring block (10), a fixedly connected pressing block (11) is arranged on each push rod (4), and a pressing opening (12) used for fitting a cable is formed in each pressing block (11), and a plurality of clamping grooves (13) for embedding the spring blocks (10) are formed in one side of the push rod (4).

2. A transformer fixing device according to claim 1, wherein: an expansion rod (14) and a second spring (15) are arranged between the pressing block (11) and the push rod (4), and two ends of the second spring (15) and the expansion rod (14) are fixedly connected with the push rod (4) and the pressing block (11) respectively.

3. A transformer fixing device according to claim 1, wherein: the pressure opening (12) is arranged in a V shape.

4. A transformer fixing device according to claim 1, wherein: a rubber cushion layer is arranged in the pressure opening (12).

5. A transformer fixing device according to claim 1, wherein: and a push handle (16) is arranged on one side of the push rod (4) departing from the pressing block (11).

6. A transformer fixing device according to claim 1, wherein: the cross section of the spring block (10) is in a right trapezoid shape, and the surface where the oblique side is located faces the direction away from the pressing block (11).

7. A transformer fixing device according to claim 1, wherein: one side of the clamping groove (13) departing from the pressing block (11) is provided with a chute (17), and the chute (17) is communicated with the bottom of the clamping groove (13) and the top of the clamping groove (13).

8. A transformer fixing device according to claim 1, wherein: and a knob (18) is arranged on one side of the limiting rod (5) departing from the spring block (10).