CN214379046U

CN214379046U - Protection device for electrical contact assembly

Info

Publication number: CN214379046U
Application number: CN202120404260.0U
Authority: CN
Inventors: 毛文韬; 杨蕴芸; 覃锐; 雷正涛; 张正帅; 周天文; 石国勇; 王司杭; 胡榆旋; 双羽林
Original assignee: Wuhan Donghu University
Current assignee: Wuhan Donghu University
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-08
Anticipated expiration: 2031-02-23

Abstract

The utility model relates to an electrical contact technical field just discloses a protection device for electrical contact subassembly, including electrical equipment, electrical equipment's top is provided with the terminal, the outside swing joint of terminal has the lead wire, the outside cover of terminal is equipped with the movable sleeve that is located the lead wire outside, the right-hand member fixed mounting of movable sleeve has the first connecting plate that is located the lead wire outside, the right-hand member fixed mounting of first connecting plate has first fixed case, the inside swing joint of first fixed case has one end to run through and extend to the outside first movable rod of first fixed case, the right-hand member fixed mounting of first movable rod has the second connecting plate. This a protection device for electrical contact subassembly possesses the advantage of preventing dragging, and the lead wire that has solved current electrical equipment relies on the intensity of lead wire itself completely to support when receiving to drag, makes it receive the damage easily, perhaps connects the department not hard up, influences the problem of the normal transmission of lead wire.

Description

Protection device for electrical contact assembly

Technical Field

The utility model relates to an electrical contact technical field specifically is a protection device for electrical contact subassembly.

Background

The electric contact is a fixed contact head, which refers to an electric contact which cannot move relatively between the conductors connected by touch, such as a bus joint, a lead wire connection of electric equipment and the like; sliding contacts, in which auxiliary conductors can touch each other, and elastic knots of the bus bars, electric brushes of the motor, and the like are all sliding touches; the disconnectable contacts are called disconnectable contacts, and the contacts of various switches are disconnectable contacts, in which the contacts can be closed or disconnected during normal operation.

The electrical contact assembly is seen everywhere in life, for example, the lead wire connection of electrical equipment belongs to a fixed connection contact, but the lead wire of the existing electrical equipment is supported completely by the strength of the lead wire when being pulled, so that the lead wire is easily damaged, or the joint is loosened to influence the normal transmission of the lead wire, and therefore, the protection device for the electrical contact assembly is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a protection device for electrical contact subassembly possesses the advantage of preventing dragging, and the lead wire of having solved current electrical equipment relies on the intensity of lead wire itself completely to support when receiving to drag, makes it receive the damage easily, perhaps connects the department not hard up, influences the problem of the normal transmission of lead wire.

(II) technical scheme

In order to realize the above-mentioned purpose of preventing dragging, the utility model provides a following technical scheme: a protection device for an electrical contact assembly comprises electrical equipment, wherein a binding post is arranged above the electrical equipment, a lead is movably connected to the outer portion of the binding post, a movable sleeve positioned outside the lead is sleeved on the outer portion of the binding post, a first connecting plate positioned outside the lead is fixedly installed at the right end of the movable sleeve, a first fixed box is fixedly installed at the right end of the first connecting plate, a first movable rod with one end penetrating and extending to the outer portion of the first fixed box is movably connected to the inner portion of the first fixed box, a second connecting plate is fixedly installed at the right end of the first movable rod, a second fixed box positioned below the first fixed box is fixedly installed at the left end of the second connecting plate, a second movable rod with one end penetrating and extending to the outer portion of the second fixed box is movably connected to the inner portion of the second fixed box, and the left end of the second movable rod is fixedly connected to the right end of the first connecting plate, the utility model discloses a solar energy collecting device, including first movable rod, second movable rod, lead wire swing joint, the bottom of first movable rod and the equal fixed mounting in top of second movable rod have U type seat, the inboard of U type seat is rotated and is connected with the driving roller, lead wire swing joint is in the outside of two driving rollers, and the lead wire keeps away from the one end of terminal and runs through and extend to the right-hand member of second connecting plate, the bottom of first fixed box and the equal fixed mounting in top of the fixed box of second have a fixed block, the top the right-hand member and the below of fixed block the equal fixed mounting in left end of fixed block has T type pole, the outside cover of T type pole is equipped with the spring, the outside cover of T type pole is equipped with the adapter sleeve, the top the adapter sleeve is located the top the right-hand member of spring, the below the adapter sleeve is located the below the left end of spring.

Preferably, the top ends of the inner cavities of the first fixed box and the second fixed box and the bottom ends of the inner cavities are fixedly provided with slide rails, and the left end of the first movable rod and the right end of the second movable rod are fixedly provided with slide blocks matched with the slide rails.

Preferably, the right end of the first fixed box and the left end of the second fixed box are both provided with through holes, the upper part is movably connected with a first movable rod in the through holes, and the lower part is movably connected with a second movable rod in the through holes.

Preferably, the front surface fixed mounting of U type seat has one end to run through and extend to the spacer pin of U type seat rear surface, the outside rotation of spacer pin is connected with the driving roller that is located U type seat inboard.

Preferably, the first connecting plate and the second connecting plate are both provided with movable holes, and the movable holes are movably connected with leads.

Preferably, the right end fixed mounting of first connecting plate has quantity and is two and be located the elastic bellows of first fixed case front and back side respectively, two the other end of elastic bellows all fixed connection is in the left end of second connecting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a protection device for electrical contact subassembly possesses following beneficial effect:

the protection device for the electrical contact assembly is characterized in that in the using process, when a lead is accidentally pulled, the transmission roller is movably connected with the lead, so that the lead is prevented from being damaged due to overlarge friction force between the lead and the transmission roller, the upper transmission roller can be pulled to move leftwards in the pulling process through the lead, an upper spring is extruded through the upper connecting sleeve, the first movable rod can be retracted into the first fixed box, the second connecting plate can be pulled to move leftwards when the upper transmission roller moves leftwards, meanwhile, the lower connecting sleeve can extrude the lower spring to buffer the upper spring, the pulling force can be buffered through the rebounding acting forces of the two springs, and meanwhile, through the elasticity and the variable property of the elastic corrugated pipe, the elastic corrugated pipe can be compressed towards the middle without blocking the extension of the lead, thereby make the lead wire need not remove to overcome through self intensity and pull the power, and then make it be difficult to receive the damage because of pulling the power, after pulling the power and disappearing, under the elastic action of elasticity bellows and spring, elasticity bellows and spring resume initial condition, and then drive the lead wire and get into again between the relative one side of first connecting plate and second connecting plate, possess the advantage of preventing pulling.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an electrical device; 2. a binding post; 3. a lead wire; 4. a first connecting plate; 5. a first stationary box; 6. a first movable bar; 7. a second connecting plate; 8. a movable sleeve; 9. a second stationary box; 10. A second movable bar; 11. a U-shaped seat; 12. a driving roller; 13. a fixed block; 14. a T-shaped rod; 15. A spring; 16. connecting sleeves; 17. an elastic bellows.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a protection device for an electrical contact assembly comprises an electrical device 1, a terminal 2 is disposed above the electrical device 1, a lead 3 is movably connected to the outside of the terminal 2, a movable sleeve 8 positioned outside the lead 3 is sleeved outside the terminal 2, a first connecting plate 4 positioned outside the lead 3 is fixedly installed at the right end of the movable sleeve 8, a first fixed box 5 is fixedly installed at the right end of the first connecting plate 4, a first movable rod 6 with one end penetrating and extending to the outside of the first fixed box 5 is movably connected inside the first fixed box 5, a second connecting plate 7 is fixedly installed at the right end of the first movable rod 6, movable holes are respectively formed inside the first connecting plate 4 and the second connecting plate 7, the lead 3 is movably connected inside the movable hole, a second fixed box 9 positioned below the first fixed box 5 is fixedly installed at the left end of the second connecting plate 7, a second movable rod 10 with one end penetrating and extending to the outside of the second fixed box 9 is movably connected inside the second fixed box 9, slide rails are fixedly arranged at the top end of the inner cavity and the bottom end of the inner cavity of the first fixed box 5 and the second fixed box 9, slide blocks matched with the slide rails are fixedly arranged at the left end of the first movable rod 6 and the right end of the second movable rod 10, through holes are respectively arranged at the right end of the first fixed box 5 and the left end of the second fixed box 9, a first movable rod 6 is movably connected inside the through hole at the upper part, a second movable rod 10 is movably connected inside the through hole at the lower part, the left end of the second movable rod 10 is fixedly connected with the right end of the first connecting plate 4, U-shaped seats 11 are fixedly arranged at the bottom end of the first movable rod 6 and the top end of the second movable rod 10, a driving roller 12 is rotatably connected inside the U-shaped seats 11, a limiting pin with one end penetrating and extending to the rear surface of the U-shaped seats 11 is fixedly arranged on the front surface of the U-shaped seats 11, the outer part of the limiting pin is rotatably connected with driving rollers 12 positioned on the inner side of a U-shaped seat 11, a lead 3 is movably connected with the outer parts of the two driving rollers 12, one end of the lead 3, far away from the binding post 2, penetrates through and extends to the right end of a second connecting plate 7, fixed blocks 13 are fixedly arranged at the bottom end of the first fixed box 5 and the top end of the second fixed box 9, T-shaped rods 14 are fixedly arranged at the right end of the upper fixed block 13 and the left end of the lower fixed block 13, springs 15 are sleeved outside the T-shaped rods 14, connecting sleeves 16 are sleeved outside the T-shaped rods 14, the upper connecting sleeves 16 are positioned at the right end of the upper springs 15, the lower connecting sleeves 16 are positioned at the left end of the lower springs 15, two elastic corrugated pipes 17 which are respectively positioned at the front side and the rear side of the first fixed box 5 are fixedly arranged at the right end of the first connecting plate 4, and the other ends of the two elastic corrugated pipes 17 are fixedly connected with the left end of the second connecting plate 7, in the using process, when the lead 3 is accidentally pulled, the transmission roller 12 is movably connected with the lead 3, so that the lead 3 is prevented from being damaged due to overlarge friction force between the lead 3 and the transmission roller 12, the upper transmission roller 12 can be pulled to move leftwards in the pulling process through the lead 3, so that the upper spring 15 is extruded through the upper connecting sleeve 16, at the moment, the first movable rod 6 can be retracted into the first fixed box 5, when the upper transmission roller 12 moves leftwards, the second connecting plate 7 can be pulled to move leftwards, meanwhile, the lower connecting sleeve 16 can press down the upper spring 15 to buffer the upper spring 15, the pulling force can be buffered through the rebounding force of the two springs 15, and meanwhile, through the elasticity and the variable property of the elastic corrugated pipe 17, the elastic corrugated pipe 17 can be compressed towards the middle without blocking the extension of the lead 3, thereby make lead wire 3 need not remove to overcome through self intensity and pull the power, and then make it be difficult to receive the damage because of pulling the power, after pulling the power and disappearing, under the elastic action of elastic bellows 17 and spring 15, elastic bellows 17 and spring 15 resume initial state, and then drive lead wire 3 reentrant between the relative one side of first connecting plate 4 and second connecting plate 7, possess the advantage of preventing pulling.

In summary, in the process of using the protection device for the electrical contact assembly, when the lead 3 is accidentally pulled, the driving roller 12 is movably connected with the lead 3, so as to prevent the lead 3 from being damaged due to an excessive friction force between the lead 3 and the driving roller 12, the upper driving roller 12 can be pulled to move leftward during the pulling process through the lead 3, so as to extrude the upper spring 15 through the upper connecting sleeve 16, at this time, the first movable rod 6 can be retracted into the first fixed box 5, when the upper driving roller 12 moves leftward, the second connecting plate 7 can be pulled to move leftward, meanwhile, the lower connecting sleeve 16 can extrude the lower spring 15 to buffer the lower spring 15, the pulling force can be buffered through the rebounding force of the two springs 15, and meanwhile, through the elasticity and the easy-to-change property of the elastic corrugated tube 17, elasticity bellows 17 can take place the compression to the centre, and can not block stretching out of lead wire 3, thereby make lead wire 3 need not remove to overcome through self intensity and pull the power, and then make it be difficult to receive the damage because of pulling the power, after pulling the power and disappearing, under the elastic action of elasticity bellows 17 and spring 15, elasticity bellows 17 and spring 15 resume initial condition, and then drive lead wire 3 and reentrant between first connecting plate 4 and the relative one side of second connecting plate 7, possess and prevent the advantage of pulling, the lead wire of having solved current electrical equipment is when receiving and pulling, rely on the intensity of lead wire itself completely to support, make it receive the damage easily, perhaps joint department is not hard up, influence the problem of the normal transmission of lead wire.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A protection device for an electrical contact assembly, comprising an electrical apparatus (1), characterized in that: the top of electrical equipment (1) is provided with terminal (2), the outside swing joint of terminal (2) has lead wire (3), the outside cover of terminal (2) is equipped with and is located outside movable sleeve (8) of lead wire (3), the right-hand member fixed mounting of movable sleeve (8) has and is located outside first connecting plate (4) of lead wire (3), the right-hand member fixed mounting of first connecting plate (4) has first fixed case (5), the inside swing joint of first fixed case (5) has one end to run through and extend to outside first movable rod (6) of first fixed case (5), the right-hand member fixed mounting of first movable rod (6) has second connecting plate (7), the left end fixed mounting of second connecting plate (7) has second fixed case (9) that is located first fixed case (5) below, the inside swing joint of second fixed case (9) has one end to run through and extend to outside second fixed case (9) of second Movable rod (10), the left end fixed connection of second movable rod (10) is in the right-hand member of first connecting plate (4), the equal fixed mounting in top of the bottom of first movable rod (6) and second movable rod (10) has U type seat (11), the inboard rotation of U type seat (11) is connected with driving roller (12), lead wire (3) swing joint is in the outside of two driving rollers (12), and lead wire (3) keep away from the right-hand member that terminal (2) one end runs through and extends to second connecting plate (7), the bottom of first fixed box (5) and the top of second fixed box (9) all fixed mounting have fixed block (13), top the right-hand member and the below of fixed block (13) the equal fixed mounting in left end of fixed block (13) has T type pole (14), the outside cover of T type pole (14) is equipped with spring (15), the outside cover of T type pole (14) is equipped with adapter sleeve (16), the upper part is that the connecting sleeve (16) is positioned at the upper part and the right end of the spring (15) is positioned at the lower part, and the connecting sleeve (16) is positioned at the left end of the spring (15) at the lower part.

2. A protection device for an electrical contact assembly according to claim 1, wherein: the inner chamber top and the equal fixed mounting in inner chamber bottom of first fixed case (5) and second fixed case (9) have the slide rail, the left end of first movable rod (6) and the equal fixed mounting in right-hand member of second movable rod (10) have the slider with slide rail looks adaptation.

3. A protection device for an electrical contact assembly according to claim 1, wherein: the through-hole has all been seted up to the right-hand member of first fixed case (5) and the left end of the fixed case of second (9), the top the inside swing joint of through-hole has first movable rod (6), the below the inside swing joint of through-hole has second movable rod (10).

4. A protection device for an electrical contact assembly according to claim 1, wherein: the front surface fixed mounting of U type seat (11) has one end to run through and extend to the spacer pin of U type seat (11) rear surface, the outside rotation of spacer pin is connected with and is located the inboard driving roller (12) of U type seat (11).

5. A protection device for an electrical contact assembly according to claim 1, wherein: the movable holes are formed in the first connecting plate (4) and the second connecting plate (7), and the leads (3) are movably connected in the movable holes.

6. A protection device for an electrical contact assembly according to claim 1, wherein: the right-hand member fixed mounting of first connecting plate (4) has quantity and is two and be located elastic bellows (17) of side around first fixed case (5) respectively, two the equal fixed connection in the left end of second connecting plate (7) of the other end of elastic bellows (17).