CN215815614U

CN215815614U - Auxiliary contact convenient to dismantle

Info

Publication number: CN215815614U
Application number: CN202121519013.1U
Authority: CN
Inventors: 胡国伟; 计新华; 赵青青; 郑彬; 荣良章; 张红伟
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-11
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to the technical field of contactors, in particular to an auxiliary contact convenient to disassemble, which comprises: a housing; the upper part of the movable buckle penetrates through the shell and is exposed, and the lower part of the movable buckle is rotatably arranged in the shell; one end of the pressing piece is movably arranged in the shell and is linked with the movable buckle, and the movable buckle is pushed to rotate by pressing the pressing piece. According to the utility model, the movable buckle is pushed to rotate by pressing the pressing piece, so that the connection with the contactor is released, and compared with pulling, pressing is more convenient for a user to apply force without the help of tools. Rotate simultaneously and compare the translation, the power of exerting can be littleer, and thereby the angle between movable buckle after the rotation and the contactor is bigger makes movable buckle break away from the contactor more easily, and then convenient to detach.

Description

Auxiliary contact convenient to dismantle

Technical Field

The utility model relates to the technical field of contactors, in particular to an auxiliary contact convenient to disassemble.

Background

The auxiliary contacts are mainly used in a control circuit, are arranged on two sides of the contactor body and are used for helping to transmit action state signals of the body or forming electrical interlocking among switches. The connection between the main circuit and the contactor is a snap connection.

For example, patent number 2015211033314, and the patent name is contactor and the mounting structure of hanging auxiliary contact's of side utility model, although provide a simple structure and firm, the contactor of the dismouting of being convenient for and the mounting structure of hanging auxiliary contact of side, thereby it adopts and outwards stimulates the sliding plate with the help of screwdriver or other extracting tool and removes buckle structure, and then pulls down auxiliary contact. Thus, the movable buckle cannot be disassembled without a tool and can be damaged due to over-exertion.

Moreover, because the movable buckle is pulled outwards and is a smaller part, if no force is applied, the tool can slide or cannot be held, so that the movable buckle is reset and is inconvenient to take down. Meanwhile, the buckle is translated, so that the buckle can be completely separated only by moving a certain distance, namely, a certain force is needed instead of slightly pulling.

Disclosure of Invention

The utility model aims to provide an auxiliary contact convenient to disassemble, which is characterized in that a movable buckle is pushed to rotate by pressing a pressing piece, so that the connection with a contactor is released, compared with pulling, the pressing is more convenient for a user to apply force by pressing, a tool is not needed, meanwhile, the movable buckle rotates and translates in comparison, the applied force is smaller, the angle between the rotated movable buckle and the contactor is larger, so that the auxiliary contact is convenient to disassemble, and the problem that the conventional auxiliary contact is inconvenient to disassemble is solved.

The purpose of the utility model is realized as follows:

an auxiliary contact for facilitating disassembly, comprising: a housing;

the upper part of the movable buckle penetrates through the shell and is exposed, and the lower part of the movable buckle is rotatably arranged in the shell;

one end of the pressing piece is movably arranged in the shell and is linked with the movable buckle, and the movable buckle is pushed to rotate by pressing the pressing piece.

Preferably, the side surface of the movable buckle is inwards recessed to form an arc-shaped groove, and one end of the pressing piece abuts against the arc-shaped groove so as to push the movable buckle to rotate;

or/and one end of the pressing piece is provided with a pushing part, and the surface of the pushing part abutted against the movable buckle is an arc surface, so that friction is reduced.

Preferably, the pushing portion is provided with a notch on a surface adjacent to the rotation direction of the movable buckle, so as to avoid interference when the movable buckle rotates.

Preferably, the shell is provided with a fixed buckle for being connected with the contactor, the fixed buckle and the pressing piece are respectively positioned on two sides of the movable buckle, and the length of the pressing piece is less than half of the length of the shell.

Preferably, the movable buckle comprises a clamping part, a rotating shaft and a stress part, the clamping part and the stress part are respectively and integrally formed on the upper side and the lower side of the rotating shaft, and the stress part is abutted to the pressing piece;

the connecting groove matched with the rotating shaft is formed in the shell, so that the lower portion of the movable buckle is rotatably arranged in the shell.

Preferably, the housing includes an upper case and a lower case, and the upper case and the lower case are located at upper and lower sides of the rotating shaft, and the connecting grooves are formed at inner sides of the upper case and the lower case.

Preferably, a spring is arranged between the movable buckle and the shell, and the rotated movable buckle is reset through the spring.

Preferably, one side of the movable buckle adjacent to the spring is provided with a convex block, a placing groove is formed in the shell, one end of the spring is sleeved on the convex block, and the other end of the spring is located in the placing groove.

Preferably, a limiting block is arranged in the shell, and the limiting block is positioned above the opening of the placing groove and on one side of the movable buckle, so that the limiting block is used for limiting the spring.

Preferably, a first limiting plate is arranged in the shell, the pressing piece is provided with an elongated groove, and the first limiting plate is movably arranged in the elongated groove and used for limiting the pressing piece;

or/and the shell is internally provided with a second limiting plate, the side edge of the pressing piece is provided with a limiting groove, and when the pressing piece is pressed to push the movable buckle to rotate, the second limiting plate moves in the limiting groove.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. according to the utility model, the movable buckle is pushed to rotate by pressing the pressing piece, so that the connection with the contactor is released, and compared with pulling, pressing is more convenient for a user to apply force without the help of tools. Rotate simultaneously and compare the translation, the power of exerting can be littleer, and the angle between movable buckle after the rotation and the contactor is bigger to make movable buckle break away from the contactor more easily, and then convenient to detach.

2. According to the utility model, friction is reduced by arranging the arc surface or/and the arc surface, and when the arc surface and the arc surface are both arc-shaped, compared with a plane, the contact area between the movable buckle and the pressing piece is increased, so that the pressing piece can better push the movable buckle to rotate.

3. The pushing part of the utility model is provided with a notch on the surface adjacent to the rotating direction of the movable buckle, thereby avoiding the interference of the movable buckle during rotation.

4. The fixed buckle and the pressing piece are respectively positioned on two sides of the movable buckle, and the length dimension of the pressing piece is smaller than half of the length dimension of the shell.

5. The upper shell and the lower shell are positioned on the upper side and the lower side of the rotating shaft, and the inner sides of the upper shell and the lower shell are respectively provided with the connecting groove, so that the rotating shaft is pressed from the upper side and the lower side, and the rotating stability of the movable buckle is further ensured.

6. According to the utility model, the spring is limited through the convex block, the placing groove and the limiting block, so that the spring is ensured to move horizontally without tilting, and the influence of the position change of the spring on the movable buckle is avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a structural schematic view of the lower case.

Fig. 4 is an enlarged schematic view of a in fig. 3.

Fig. 5 is a schematic structural view of a structure related to the movable buckle.

Fig. 6 is a schematic structural view of the movable buckle.

Fig. 7 is a schematic structural view of the upper case.

Reference numerals: 1-a shell; 11-a connecting trough; 12-upper shell; 13-a lower shell; 14-placing the groove;

15-a limiting block; 16-a first limiting plate; 17-a second limiting plate; 2, movable buckle; 21-an arc-shaped groove;

22-a clamping part; 23-a rotating shaft; 24-a force-receiving portion; 25-a bump; 3-pressing piece; 31-a pushing portion;

32-inclined plane; 33-a limiting groove; 34-an elongated slot; 4, fixing a buckle; 5-a spring; 6-a linkage rod;

61-projection; 7-static contact; 8-movable contact bridge.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, an auxiliary contact for facilitating detachment includes: the device comprises a shell 1, a movable buckle 2 and a pressing piece 3, wherein the upper part of the movable buckle 2 penetrates through the shell 1 and is exposed, and the lower part of the movable buckle is rotatably arranged in the shell 1. Wherein the movable catch 2 can be used for connection with a contactor or for connection between auxiliary contacts.

Meanwhile, one end of the pressing piece 3 is movably arranged in the shell 1 and is linked with the movable buckle 2, and the movable buckle 2 is pushed to rotate by pressing the pressing piece 3.

Therefore in the in-service use process, thereby promote activity buckle 2 to rotate through pressing piece 3 and move 2 lower parts atress of buckle and drive the outside upset in 2 upper portions of activity buckle promptly, and then remove to be connected with the contactor, the pulling of comparing presses more convenient to use person's application of force and need not be with the help of the instrument. Rotate simultaneously and compare the translation, the power of exerting can be littleer, and the angle between movable buckle after the rotation and the contactor is bigger to make movable buckle break away from the contactor more easily, and then convenient to detach.

The friction is reduced, so that an arc-shaped groove 21 is formed on the side surface of the stress part 24 in an inward concave mode, and one end of the pressing piece 3 abuts against the arc-shaped groove 21 to push the movable buckle 2 to rotate; or one end of the pressing piece 3 is provided with a pushing part 31, and the surface of the pushing part 31, which is abutted against the movable buckle 2, is a cambered surface.

Or both are used in combination, and when both are used in combination, compared with the plane, the arc shape can increase the contact area between the movable buckle 2 and the pressing piece 3, so that the pressing piece 3 can better push the movable buckle 2 to rotate.

And in order to avoid interference when rotating, the pushing portion 31 is provided with a notch on a surface adjacent to the rotating direction of the movable catch 2, thereby avoiding interference when the movable catch 2 rotates. And the notch may be formed by a groove or by a chamfer 32, i.e. adjacent faces are provided with chamfers 32.

As shown in fig. 1-2, a fixed buckle 4 for connecting with a contactor is arranged on the housing 1, the fixed buckle 4 and the pressing piece 3 are respectively positioned at two sides of the movable buckle 2, and the length of the pressing piece 3 is less than half of the length of the housing 1.

Therefore, in the actual use process, compared with the prior art which adopts pressing such as the utility model of patent No. 2018114205664, the length of the pressing piece 3 can be reduced by pressing rotation, thereby reducing the occupied space of the pressing piece 3.

Meanwhile, the auxiliary contact further comprises a linkage rod 6, a fixed contact 7 and a movable contact bridge 8, the linkage rod 6 is movably arranged in the shell 1, the movable contact bridge 8 is arranged on the linkage rod 6, and the fixed contact 7 and the movable contact bridge 8 are contacted and separated through the linkage rod 6. Meanwhile, a protrusion 61 is arranged on the side edge of the linkage rod 6, the protrusion 61 penetrates through the shell 1 and is exposed, and the protrusion 61 is used for being matched with the contactor.

Wherein the movable buckle 2 and the fixed buckle 4 are positioned at two sides of the linkage rod 6, and the pressing piece 3 and the linkage rod 6 are respectively positioned at two sides of the movable buckle 2, thereby further displaying that the length dimension of the pressing piece 3 is less than half of the length dimension of the shell 1, and therefore the length of the pressing piece 3 can be reduced by pressing and rotating, and the occupied space of the pressing piece 3 is reduced.

As shown in fig. 5 and 6, the movable buckle 2 includes a clamping portion 22, a rotating shaft 23 and a force-receiving portion 24, the clamping portion 22 and the force-receiving portion 24 are integrally formed on the upper and lower sides of the rotating shaft 23, and the force-receiving portion 24 abuts against the pressing member 3.

Wherein the rotating structure is: first, the inside of the housing 1 is provided with a connecting groove 11 adapted to the rotating shaft 23, so that the lower portion of the movable buckle 2 is rotatably disposed in the housing 1.

Moreover, in order to ensure the stability of rotation, the housing 1 of the auxiliary contact includes an upper shell 12 and a lower shell 13, the upper shell 12 and the lower shell 13 are located at the upper and lower sides of the rotating shaft 23, and the inner sides of the upper shell 12 and the lower shell 13 are both opened with the connecting slot 11.

Therefore, in the actual use process, the rotating shaft 23 is pressed from the upper side and the lower side, and the rotating stability of the movable buckle 2 is further ensured.

As shown in fig. 2, a spring 5 is provided between the movable catch 2 and the housing 1, and the rotated movable catch 2 is returned by the spring 5.

The specific position of the spring 5 can be selected according to actual conditions, and the positions of the spring 5 are as follows: the spring 5 and the pressing piece 3 are respectively positioned at two sides of the movable buckle 2. Therefore, in the actual use process, when the connection with the contactor needs to be released, the pressing piece 3 is pressed, at the moment, the lower part of the movable buckle 2 is stressed, and the upper part of the movable buckle 2 rotates, the lower part of the movable buckle 2 moves inwards at the same time, and the spring 5 is further pressed. When the auxiliary contact is taken down, the pressing piece 3 is not forced, so the movable buckle 2 is reset due to the elasticity of the spring 5.

Meanwhile, the related structure of the spring 5 is as follows, and firstly, the installation structure of the spring 5 is as follows: the movable buckle 2 is provided with a convex block 25 on one side adjacent to the spring 5, a placing groove 14 is formed in the shell 1, one end of the spring 5 is sleeved on the convex block 25, and the other end of the spring 5 is located in the placing groove 14.

Secondly based on the installation of spring 5, spring 5's limit structure: the shell 1 is internally provided with a limiting block 15, and the limiting block 15 is positioned above the opening of the placing groove 14 and at one side of the movable buckle 2, thereby being used for limiting the spring 5.

Therefore, in the actual use process, the spring 5 is limited by the convex block 25, the placing groove 14 and the limiting block 15, the horizontal movement of the spring 5 is ensured without tilting, and the influence of the position change of the spring 5 on the movable buckle 2 is avoided.

As shown in fig. 2 to 7, the limiting structure of the pressing member 3 is various, and specifically, the limiting structure is as follows:

the first method comprises the following steps: the first limiting plate 16 is arranged in the shell 1, the pressing piece 3 is provided with an elongated groove 34, and the first limiting plate 16 is movably arranged in the elongated groove 34 and used for limiting the pressing piece 3.

And the second method comprises the following steps: the shell 1 is internally provided with a second limiting plate 17, the side edge of the pressing piece 3 is provided with a limiting groove 33, and when the pressing piece 3 is pressed to push the movable buckle 2 to rotate, the second limiting plate 17 moves in the limiting groove 33.

And the third is that: the two previous are combined.

Therefore, in the actual use process, the limit structure is used for limiting the moving range of the pressing piece 3 and preventing the pressing piece 3 from being separated from the shell 1.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. While the present invention is not limited to the above-described embodiments, various changes and modifications may be made without departing from the spirit and scope of the utility model, and these changes and modifications are intended to be included within the scope of the utility model as claimed.

Claims

1. An auxiliary contact for facilitating disassembly, comprising: a housing (1);

the upper part of the movable buckle (2) penetrates through the shell (1) and is exposed, and the lower part of the movable buckle is rotatably arranged in the shell (1);

the pressing piece (3) is movably arranged in the shell (1) at one end and is linked with the movable buckle (2), and the movable buckle (2) is pushed to rotate by pressing the pressing piece (3).

2. A readily removable auxiliary contact according to claim 1, wherein: an arc-shaped groove (21) is formed in the side face of the movable buckle (2) in an inwards concave mode, and one end of the pressing piece (3) abuts against the arc-shaped groove (21) so that the movable buckle (2) is pushed to rotate;

or/and one end of the pressing piece (3) is provided with a pushing part (31), and the surface of the pushing part (31) abutted against the movable buckle (2) is an arc surface, so that friction is reduced.

3. An auxiliary contact for facilitating disassembly as claimed in claim 2, wherein: the pushing part (31) is provided with a notch on the surface adjacent to the rotating direction of the movable buckle (2), so that the interference of the movable buckle (2) during rotation is avoided.

4. A readily removable auxiliary contact according to claim 1, wherein: the contactor-connecting device is characterized in that a fixing buckle (4) used for being connected with a contactor is arranged on the shell (1), the fixing buckle (4) and the pressing piece (3) are respectively located on two sides of the movable buckle (2), and the length dimension of the pressing piece (3) is smaller than half of that of the shell (1).

5. A readily removable auxiliary contact according to claim 1, wherein: the movable buckle (2) comprises a clamping part (22), a rotating shaft (23) and a stress part (24), the clamping part (22) and the stress part (24) are respectively and integrally formed on the upper side and the lower side of the rotating shaft (23), and the stress part (24) is abutted to the pressing piece (3);

the connecting groove (11) matched with the rotating shaft (23) is formed in the shell (1), so that the lower portion of the movable buckle (2) is rotatably arranged in the shell (1).

6. An auxiliary contact for facilitating disassembly as claimed in claim 5, wherein: casing (1) includes epitheca (12) and inferior valve (13), and epitheca (12) and inferior valve (13) are located pivot (23) upper and lower both sides to epitheca (12) and inferior valve (13) inboard have all been seted up connecting groove (11).

7. An auxiliary contact for facilitating disassembly according to any of claims 1 to 6, wherein: a spring (5) is arranged between the movable buckle (2) and the shell (1), and the movable buckle (2) after rotating is reset through the spring (5).

8. An auxiliary contact for facilitating disassembly as claimed in claim 7, wherein: one side of the movable buckle (2) adjacent to the spring (5) is provided with a convex block (25), a placing groove (14) is formed in the shell (1), one end of the spring (5) is sleeved on the convex block (25), and the other end of the spring (5) is located in the placing groove (14).

9. An auxiliary contact for facilitating disassembly as claimed in claim 8, wherein: a limiting block (15) is arranged in the shell (1), and the limiting block (15) is located above an opening of the placing groove (14) and located on one side of the movable buckle (2) and used for limiting the spring (5).

10. An auxiliary contact for facilitating disassembly according to any of claims 1 to 6, wherein: a first limiting plate (16) is arranged in the shell (1), the pressing piece (3) is provided with an elongated groove (34), and the first limiting plate (16) is movably arranged in the elongated groove (34) and used for limiting the pressing piece (3);

or/and, there is two (17) limiting plates in the casing (1), and spacing groove (33) have been seted up to pressing piece (3) side, and when pressing piece (3) were pressed and are promoted activity buckle (2) and rotate, two (17) limiting plates removed in spacing groove (33).