CN213988789U - Touch structure in safety switch - Google Patents

Abstract

The utility model discloses a structure of touching in safety switch, its technical scheme main points are including rotating contact and the control of being connected with rotating contact, rotating contact is including rotation portion and a plurality of pressure contact, and is a plurality of the pressure contact array sets up in rotation portion, still be provided with the support piece of being connected with the control in the rotation portion, be connected through the casting between support piece and the rotation portion, be provided with the connecting piece of connecting control, support piece and rotation portion on the control, still be provided with manual groove on the rotation portion. The utility model relates to a structure of touching in the safety switch, this touch switch overall structure is firm, and life increases to have the effect with the high-efficient contact of switch contact.

Description

Touch structure in safety switch

Technical Field

The utility model relates to an electrical safety technical field, more specifically the structure that touches that says so relates to a safety switch is interior.

Background

The electric leakage reclosing switch in the traditional power distribution network, namely a plastic shell switch, realizes opening and closing by a multi-link mechanism in the plastic shell switch, has a complex structure and poor reliability, has higher failure rate in use, and consumes a lot of products in maintenance and replacement, so that a lot of defects exist in practical power distribution application.

The current chinese patent with publication number CN208000886U discloses a structure of a moving contact with integrated metal contact and plastic component, which comprises a moving contact, a bimetallic strip, a lock catch transmission connecting rod, a switch handle, an electromagnetic component and an energy storage spring, the moving contact is connected with the bimetallic strip at the lower part, the lock catch transmission connecting rod is connected with the moving contact at the upper part, the lock catch transmission connecting rod is connected with the switch handle, the moving contact rear part is provided with the electromagnetic component, the moving contact upper part is provided with the energy storage spring, the moving contact is composed of the plastic component and the metal contact, the upper end of the metal contact is embedded in the plastic component, and the lower end of the metal contact is arranged outside the plastic component.

Although the contact structure can be controlled to be in contact with and separated from the joint, the movable contact consists of the plastic part and the metal contact, the metal contact is embedded in the plastic part, pressure can be caused to the plastic part when the metal contact and the switch are removed in the using process, the metal contact can damage the plastic part along with the increase of the using times and time due to the strength factor of the plastic part, the service life of the contact is shortened, and the metal contact and the plastic part can be loosened and even separated, so that the contact effect of the switch contact structure is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a structure touches in the safety switch, this touch switch overall structure is firm, and life increases to have the effect with the high-efficient contact of switch contact.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a touch structure in a safety switch comprises a rotating contact and a control piece connected with the rotating contact, wherein the rotating contact comprises a rotating part and a plurality of pressure contacts, the pressure contacts are arrayed on the rotating part, and a supporting piece connected with the control piece is further arranged in the rotating part.

As a further improvement of the utility model, the support piece is connected with the rotating part through casting.

As a further improvement of the present invention, the control member is provided with a connecting member, and the connecting member sequentially passes through the control member, the supporting member and is connected to the rotating portion.

As a further improvement of the present invention, the support member includes a main support portion and a plurality of anti-separation portions, a plurality of the anti-separation portions are arranged along the main support portion in the length direction array.

As a further improvement of the utility model, a plurality of casting holes are formed on the main supporting part along the length direction.

As a further improvement of the present invention, one of the lug seats is provided in the casting hole, and the end of the lug seat that deviates from the support member wears out the rotating portion.

As a further improvement of the utility model, the anti-drop groove is arranged on the anti-drop part.

As a further improvement of the present invention, the rotating portion is further provided with a slot for the control member to be placed.

As a further improvement of the present invention, the end of the press contact, which is away from the rotating portion, is provided with a contact block which contacts with the switch.

As a further improvement of the utility model, a manual control groove is arranged on the rotating part.

The utility model has the advantages that: through set up support piece in the rotation portion, support piece improves the intensity of rotation portion for in the use, even form pressure between pressure contact and the rotation portion, rotation portion is difficult impaired, makes whole rotation contact sound construction, has improved rotation contact's life, and can conveniently control the rotation contact to realize with the contact or the separation of switch under the effect of control.

Drawings

FIG. 1 is a schematic perspective view of an integrated contact;

FIG. 2 is a schematic view showing the structure of the support member;

fig. 3 is a schematic sectional view showing the connection between the support member and the rotating portion.

Reference numerals: 1. rotating the contact; 2. a control member; 3. a rotating part; 31. a card slot; 4. pressing a contact; 41. a contact block; 5. a support member; 51. a main supporting section; 52. an anti-drop part; 53. casting a hole; 54. an ear mount; 55. a drop-proof groove; 6. a connecting member; 7. and (4) a manual control groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, a specific embodiment of a triggering structure in a safety switch according to the present invention includes a rotating contact 1 and a control member 2 connected to the rotating contact 1, including a rotating contact 1 and a control member 2, where the control member 2 is connected to the rotating contact 1, so that when the switch is in use, a pushing mechanism in the switch pushes the control member 2 to move, thereby driving the rotating contact 1 to rotate, thereby achieving conduction and separation, the rotating contact 1 includes a rotating portion 3 and a plurality of press contacts 4, a plurality of press contacts 4 are arranged on the rotating portion 3 in an array, the rotating portion 3 is made of thermoplastic material, the press contacts 4 are metal members, the end portion of the press contacts 4 far from the rotating portion 3 is provided with contact blocks 41 contacting with the switch, in this embodiment, the press contacts 4 are selected to be three, thereby controlling three switches to conduct and separate, a support member 5 connected to the control member 2 is arranged in the rotating portion 3, improve the hardness of rotating part 3 under support piece 5's effect for in carrying out used repeatedly the in-process, press contact 4 not fragile rotating part 3, improve whole rotating contact 1's life, and be difficult for appearing becoming flexible between press contact 4 and the rotating part 3, thereby make rotating contact 1's contact efficiency improve.

Referring to fig. 1 to 3, the supporting member 5 includes a main supporting portion 51 and a plurality of anti-slip portions 52, the plurality of anti-slip portions 52 are arranged in an array along a length direction of the main supporting portion 51, in this embodiment, three anti-slip portions 52 are provided, all of the three anti-slip portions 52 are perpendicular to the supporting portion, a plurality of casting holes 53 are formed in the main supporting portion 51 along the length direction, the rotating portion 3 and the supporting member 5 are fixed by casting, and since the casting holes 53 are formed in the main supporting portion 51, after casting, the rotating portion 3 and the supporting member 5 are firmly connected without looseness, wherein an ear seat 54 is provided in the casting hole 53 located in the middle, the ear seat 54 is integrally formed with the supporting member 5, and an end of the ear seat 54 facing away from the supporting member 5 penetrates out of the rotating portion 3, the anti-slip portions 52 are provided with anti-slip grooves 55, so that when the supporting member 5 and the rotating portion 3 are cast, the anti-slip grooves 55 have an effect of reinforcing a firm connection degree, so that the connectivity between the support 5 and the rotating portion 3 is further enhanced.

Referring to fig. 1 to 3, a slot 31 for the control member 2 to be placed is formed on the rotating portion 3, the control member 2 is provided with a connecting member 6 for connecting the control member 2, the support member 5 and the rotating portion 3, and the connecting member 6 sequentially passes through the control member 2, the support member 5 and the rotating portion 3 and is in threaded connection with the rotating portion 3, so that the control member 2, the support member 5 and the rotating portion 3 are fixed; a manual control groove 7 is further arranged on one side of the rotating part 3, and the cross section of the manual control groove 7 is hexagonal, so that an operator can manually operate the brake by using an auxiliary device.

The working principle is as follows: through set up support piece 5 in rotation portion 3, take shape through the casting between rotation portion 3 and the support piece 5, support piece 5 is last still to set up integrated into one piece's anticreep portion 52, thereby improve the firm in connection degree between support piece 5 and the rotation portion 3, improve the intensity of rotation portion 3 under support piece 5 effect, make in the use, even form pressure between pressure contact 4 and the rotation portion 3, rotation portion 3 is difficult for impaired, make whole rotation contact 1 sound construction, the life of rotation contact 1 has been improved, and can conveniently control rotation contact 1 under the effect of control 2 and realize the contact or the separation with the switch.

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 (10)

1. A structure for triggering in a safety switch, characterized in that: including rotating contact (1) and control piece (2) be connected with rotating contact (1), rotating contact (1) is including rotating portion (3) and a plurality of pressure contact (4), and is a plurality of pressure contact (4) set up on rotating portion (3), still be provided with support piece (5) be connected with control piece (2) in rotating portion (3).

2. A trip mechanism in a safety switch as set forth in claim 1, wherein: the supporting piece (5) is connected with the rotating part (3) through casting.

3. A trip mechanism in a safety switch as set forth in claim 1, wherein: the control part (2) is provided with a connecting piece (6), and the connecting piece (6) sequentially penetrates through the control part (2) and the supporting piece (5) and is connected with the rotating part (3).

4. A trip mechanism in a safety switch as set forth in claim 1, wherein: the supporting piece (5) comprises a main supporting part (51) and a plurality of anti-falling parts (52), wherein the anti-falling parts (52) are arranged in an array along the length direction of the main supporting part (51).

5. A trip mechanism in a safety switch according to claim 4, wherein: a plurality of casting holes (53) are formed in the main supporting part (51) along the length direction.

6. A trip mechanism in a safety switch according to claim 5, wherein: an ear seat (54) is arranged in one of the casting holes (53), and the end of the ear seat (54) departing from the support part (5) penetrates out of the rotating part (3).

7. A trip mechanism in a safety switch according to claim 4, wherein: the anti-falling part (52) is provided with an anti-falling groove (55).

8. A trip mechanism in a safety switch as set forth in claim 1, wherein: the rotating part (3) is also provided with a clamping groove (31) for the control piece (2) to be arranged.

9. A trip mechanism in a safety switch according to claim 8, wherein: and a contact block (41) contacted with the switch is arranged at the end part of the press contact (4) far away from the rotating part (3).

10. A trip mechanism in a safety switch according to any of claims 1-9, wherein: and a manual control groove (7) is also arranged on the rotating part (3).

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