CN216672013U

CN216672013U - Terminal protection structure of soft starter

Info

Publication number: CN216672013U
Application number: CN202122730307.5U
Authority: CN
Inventors: 房魁
Original assignee: Anhui Zhongtuo Electric Co ltd
Current assignee: Anhui Zhongtuo Electric Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-03
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to the technical field of electronic workpieces, in particular to a terminal protection structure of a soft starter, which comprises a shell, the bottom of the shell is connected with a connecting sleeve, a connecting mechanism is arranged between the connecting sleeve and the shell, the top end of the shell is fixedly connected with a rubber ring, the rubber ring is provided with a through hole, the inner wall of the shell is fixedly connected with a bracket, the bracket is fixedly connected with a terminal body, the inner wall of the shell is connected with a stretching mechanism, the stretching mechanism comprises vertical rods, a limiting block, a pull rod and a ball body, the rubber ring is fixedly connected with three vertical rods, the limiting block is fixedly connected on each vertical rod, the ball body is arranged between the three vertical rods, the ball body is fixedly connected with a pull rod, the pull rod is connected with the connecting sleeve in a sliding mode, the terminal of the soft starter can be protected, and the terminal is prevented from being exposed in the air and being easily oxidized to influence the service life of the terminal.

Description

Terminal protection structure of soft starter

Technical Field

The utility model relates to a protection structure, in particular to a terminal protection structure of a soft starter, and belongs to the technical field of electronic workpieces.

Background

The soft starter is a motor control device integrating the functions of soft starting, soft stopping, light load energy saving and multiple protection functions of a motor, not only can realize smooth starting of the motor without impact in the whole starting process, but also can adjust parameters in the starting process according to the characteristics of the load of the motor, such as a current limiting value, starting time and the like.

Because the terminal itself is the metal material, the terminal of materials such as copper, aluminium, iron all oxidizes in the air easily, takes place the corrosion, therefore the life of terminal in the air is not long, and when taking place certain oxidation, can influence its electrically conductive effect, consequently just needs a protective structure to protect it.

SUMMERY OF THE UTILITY MODEL

The terminal protection structure of the soft starter can protect the terminal of the soft starter and prevent the terminal from being exposed in the air and being easily oxidized to influence the service life of the terminal.

The terminal protection structure of the soft starter comprises a shell, wherein a connecting sleeve is connected to the bottom of the shell, a connecting mechanism is arranged between the connecting sleeve and the shell, a rubber ring is fixedly connected to the top end of the shell, a through hole is formed in the rubber ring, a support is fixedly connected to the inner wall of the shell, a terminal body is fixedly connected to the support, a stretching mechanism is connected to the inner wall of the shell and comprises vertical rods, a limiting block, a pull rod and a ball body, the three vertical rods are fixedly connected to the rubber ring, the limiting block is fixedly connected to each vertical rod, the ball body is arranged between the three vertical rods, the pull rod is fixedly connected to the ball body, and the pull rod is connected with the connecting sleeve in a sliding mode.

Preferably, the connecting mechanism comprises a connecting rod, an elastic block and a first spring, the connecting rod is fixedly connected with three connecting rods, the connecting rods are all connected with the elastic block in a sliding mode, and the elastic block is three and the first spring is fixedly connected between the connecting rods.

Preferably, the connecting mechanism further comprises a groove, the housing is provided with three grooves, and the three elastic blocks are respectively connected to the three grooves in a sliding manner.

Preferably, the stretching mechanism further comprises a pull ring, the pull rod penetrates through the connecting sleeve, and one end of the pull rod, which is located outside the shell, is fixedly connected with the pull ring.

Preferably, the stretching mechanism further comprises a sliding sleeve, a sliding rod and a second spring, the inner wall of the shell is fixedly connected with three sliding sleeves, three sliding sleeves are fixedly connected with the second springs, three sliding sleeves are fixedly connected with the sliding rod, and three sliding rods are respectively connected with three sliding sleeves.

Preferably, the three vertical rods are distributed in the shell in an annular array mode, and the cross sections of the three limiting blocks are triangular.

The beneficial effects of the utility model are: through the arrangement of the rubber ring and the pull rod, the pull ring can be pulled, after the pull ring is pulled, the pull rod is driven to move, along with the movement of the pull rod, the ball body moves along with the movement of the pull rod, the ball body is limited between the three vertical rods and cannot be separated, after the ball body moves, the ball body can contact with the three limiting blocks, then the ball body continues to move, the three limiting blocks and the three vertical rods are driven to move respectively towards three directions, and the three slide rods slide in the three sliding sleeves, meanwhile, along with the movement of the three vertical rods, the rubber ring is connected with the three vertical rods, so the rubber ring can be dragged due to the movement of the vertical rods, after the rubber ring is dragged, the through hole in the rubber ring is enlarged, the connecting wire is allowed to pass through due to the enlargement of the through hole at the moment, the connecting wire can be placed in the shell through the through hole and is connected with the terminal body on the support, after the connection, the pull ring is loosened, and the elastic force of the second spring in the sliding sleeves can reset the three vertical rods, and then make the rubber circle reset, the shape is replied to the through-hole this moment to wrap up the connecting wire, the terminal body in the shell has accomplished the connection this moment, and the connecting wire is wrapped up in by the through-hole, and whole shell is in and is close sealed state, therefore when using, the terminal body of metal material can slow down because of not contacting with the outside air, oxidation rate, thereby make to play certain safeguard effect to the terminal body.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a top view of the internal structure of the present invention;

FIG. 4 is an enlarged view of the part A shown in FIG. 2 according to the present invention.

In the figure: 1. a housing; 2. connecting sleeves; 3. a connecting mechanism; 31. a connecting rod; 32. a spring block; 33. a groove; 34. a first spring; 4. a rubber ring; 5. a through hole; 6. a support; 7. a terminal body; 8. a stretching mechanism; 81. a vertical rod; 82. a limiting block; 83. a pull rod; 84. a pull ring; 85. a sphere; 86. a sliding sleeve; 87. a slide bar; 88. a second spring.

Detailed Description

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

Referring to fig. 1-4, a terminal protection structure of a soft starter includes a housing 1, the bottom of the shell 1 is connected with a connecting sleeve 2, a connecting mechanism 3 is arranged between the connecting sleeve 2 and the shell 1, the top end of the shell 1 is fixedly connected with a rubber ring 4, the rubber ring 4 is provided with a through hole 5, the inner wall of the shell 1 is fixedly connected with a bracket 6, the bracket 6 is fixedly connected with a terminal body 7, the inner wall of the shell 1 is connected with a stretching mechanism 8, the stretching mechanism 8 comprises vertical rods 81, limiting blocks 82, a pull rod 83 and a ball 85, the rubber ring 4 is fixedly connected with the three vertical rods 81, the limiting blocks 82 are fixedly connected on the three vertical rods 81, the ball 85 is arranged between the three vertical rods 81, the ball 85 is fixedly connected with a pull rod 83, and the pull rod 83 is connected with the connecting sleeve 2 in a sliding manner.

As a technical optimization scheme of the present invention, the connecting mechanism 3 includes connecting rods 31, elastic blocks 32 and first springs 34, three connecting rods 31 are fixedly connected to the connecting sleeve 2, the elastic blocks 32 are slidably connected to the three connecting rods 31, and the first springs 34 are fixedly connected between the three elastic blocks 32 and the three connecting rods 31.

As a technical optimization scheme of the present invention, the connecting mechanism 3 further includes a groove 33, three grooves 33 are formed in the housing 1, and the three elastic blocks 32 are respectively slidably connected to the insides of the three grooves 33.

As a technical optimization scheme of the present invention, the stretching mechanism 8 further includes a pull ring 84, the pull rod 83 penetrates through the connecting sleeve 2, and one end of the pull rod 83 located outside the housing 1 is fixedly connected to the pull ring 84.

As a technical optimization scheme of the present invention, the stretching mechanism 8 further includes a sliding sleeve 86, a sliding rod 87 and a second spring 88, the inner wall of the housing 1 is fixedly connected with the three sliding sleeves 86, the interiors of the three sliding sleeves 86 are fixedly connected with the second spring 88, the interiors of the three second springs 88 are fixedly connected with the sliding rod 87, and the three sliding rods 87 are respectively connected to the interiors of the three sliding sleeves 86 in a sliding manner.

As a technical optimization scheme of the present invention, the three vertical rods 81 are distributed in the housing 1 in an annular array, and the cross sections of the three limiting blocks 82 are triangular.

When the utility model is used, firstly, the pull ring 84 is pulled to drive the pull rod 83 to move, the ball 85 moves along with the movement of the pull rod 83, the ball 85 is limited among the three vertical rods 81 and cannot be separated, after the ball 85 moves, the ball 85 contacts the three limit blocks 82, then the ball 85 continues to move to drive the three limit blocks 82 and the three vertical rods 81 to respectively move towards three directions, and the three slide rods 87 slide in the three slide sleeves 86, meanwhile, along with the movement of the three vertical rods 81, as the rubber ring 4 is connected with the three vertical rods 81, the rubber ring 4 is dragged by the movement of the vertical rods 81, after the rubber ring 4 is dragged, the through hole 5 on the rubber ring is pulled to be large, the through hole 5 at the moment allows the connecting wire to pass through, the connecting wire can be placed in the shell 1 through the through hole 5 and is connected with the terminal body 7 on the bracket 6, after the connection is completed, the pull ring 84 is loosened, the elastic force of the second spring 88 in the sliding sleeve 86 can reset the three vertical rods 81, the rubber ring 4 is reset, the through hole 5 is reset and wraps the connection line, the terminal body 7 in the housing 1 is connected, the connection line is wrapped by the through hole 5, and the whole housing 1 is in a state close to sealing, so that when the terminal body 7 made of metal is used, the oxidation speed is reduced because the terminal body 7 is not contacted with the outside air, and a certain protection effect is achieved on the terminal body 7, according to the maintenance requirement, the housing 1 can be separated from the connecting sleeve 2, the connecting sleeve 2 is pulled vigorously, the elastic blocks 32 on the three connecting rods 31 can be separated from the three grooves 33, and then the three connecting rods 31 slide down from the housing 1, so that the housing 1 is separated from the connecting sleeve 2, and the inside of the housing 1 can be repaired, and preventing and removing the terminal body 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a terminal protective structure of soft starter, includes shell (1), its characterized in that: the bottom of the shell (1) is connected with a connecting sleeve (2), a connecting mechanism (3) is arranged between the connecting sleeve (2) and the shell (1), the top end of the shell (1) is fixedly connected with a rubber ring (4), a through hole (5) is formed in the rubber ring (4), a support (6) is fixedly connected onto the inner wall of the shell (1), a terminal body (7) is fixedly connected onto the support (6), a stretching mechanism (8) is connected onto the inner wall of the shell (1), the stretching mechanism (8) comprises a vertical rod (81), a limiting block (82), a pull rod (83) and a ball body (85), three vertical rods (81) are fixedly connected onto the rubber ring (4), the limiting block (82) is fixedly connected onto the three vertical rods (81), the ball body (85) is arranged between the three vertical rods (81), and the pull rod (83) is fixedly connected onto the ball body (85), the pull rod (83) is connected with the connecting sleeve (2) in a sliding manner.

2. The terminal protection structure of the soft starter according to claim 1, wherein: coupling mechanism (3) include connecting rod (31), bullet piece (32) and first spring (34), fixedly connected with is three on adapter sleeve (2) connecting rod (31), it is three equal sliding connection has on connecting rod (31) bullet piece (32), three bullet piece (32) and three equal fixedly connected with first spring (34) between connecting rod (31).

3. The terminal protection structure of the soft starter according to claim 2, wherein: the connecting mechanism (3) further comprises a groove (33), the shell (1) is provided with three grooves (33), and the three elastic blocks (32) are respectively connected to the three grooves (33) in a sliding manner.

4. The terminal protection structure of the soft starter according to claim 1, wherein: the stretching mechanism (8) further comprises a pull ring (84), the pull rod (83) penetrates through the connecting sleeve (2), and one end, located outside the shell (1), of the pull rod (83) is fixedly connected with the pull ring (84).

5. The terminal protection structure of the soft starter according to claim 1, wherein: stretching mechanism (8) still include sliding sleeve (86), slide bar (87) and second spring (88), fixedly connected with is three on the inner wall of shell (1) sliding sleeve (86), three the equal fixedly connected with second spring (88) in inside of sliding sleeve (86), three equal fixedly connected with on second spring (88) slide bar (87), three slide bar (87) sliding connection respectively in three the inside of sliding sleeve (86).

6. The terminal protection structure of the soft starter according to claim 1, wherein: the three vertical rods (81) are distributed in the shell (1) in an annular array mode, and the cross sections of the three limiting blocks (82) are triangular.