CN213818570U

CN213818570U - Mechanical and electrical interlocking device

Info

Publication number: CN213818570U
Application number: CN202120097732.2U
Authority: CN
Inventors: 赵大川; 赵光; 李光峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-07-27
Anticipated expiration: 2031-01-14

Abstract

The utility model belongs to the technical field of mechanical and electrical interlocking, in particular to a mechanical and electrical interlocking device, which comprises a shell with an inwards concave structure, wherein a through groove is formed in the top end surface of the shell, the top end surface of the shell is connected with a gear through a support in a rotating way, the left end of the outer side wall of the gear is fixedly connected with a first connecting rod, the other end of the first connecting rod is fixedly connected with a protective cover, the protective cover is in sliding connection with the shell, a switch is arranged on the inner side of the shell and is in sliding connection with the shell, a rack is fixedly connected to the central position of the top end surface of the switch, and the rack is positioned in the through groove; the device no longer uses link structure, and before the protective cover of opening the device, the circuit in the device is in the physics off-state, and after the protective cover of opening the device, the circuit in the device just can connect, just can use the switch to control electrical apparatus this moment.

Description

Mechanical and electrical interlocking device

Technical Field

The utility model belongs to the technical field of mechanical electric interlocking, concretely relates to mechanical electric interlocking device.

Background

The interlocking device is widely applied to switching appliances and complete equipment, and mainly aims to protect personal safety, prevent misoperation, ensure power utilization sequence and the like. Considering the characteristics and cost factors of electrical equipment, a mechanical interlocking or an electrical interlocking is generally adopted for an isolating switch and an automatic transfer switch, a steel wire rope or a lever mechanism is generally used for a mechanical interlocking device, and the change of a mechanical position is used for ensuring that an operating mechanism cannot act; the interlocking device has two interlocking modes, one mode is to control the action of the operating mechanism through a linkage auxiliary contact (normally open or normally closed) on the operating mechanism, the other mode is to control the linkage auxiliary contact (normally open or normally closed) on the distance switch operating mechanism, and when a handle of the switch is pulled, the linkage auxiliary contact (normally open or normally closed) cuts off a circuit.

Most of the traditional interlocking devices adopt a mechanical interlocking mechanism, and realize the interlocking effect through the action of a mechanical connecting rod and a spring, but the reliability of the interlocking of the structure is poor, the structure is complex, and the interlocking device is easily influenced by physical factors.

In order to solve the above problems, a mechanical-electrical interlock device is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mechanical electric interlock has simple structure and strong reliability's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical and electrical interlocking device comprises a shell with an inwards concave structure, wherein a through groove is formed in the top end face of the shell, a gear is rotatably connected to the top end face of the shell through a support, a first connecting rod is fixedly connected to the left end of the outer side wall of the gear, a protective cover is fixedly connected to the other end of the first connecting rod, the protective cover is slidably connected with the shell, a switch is arranged on the inner side of the shell and is slidably connected with the shell, a rack is fixedly connected to the central position of the top end face of the switch and is positioned in the through groove, the rack is meshed with the gear and is connected with a first contact, a second contact is fixedly connected to the bottom end of the left end face of the switch, a rotating support is fixedly connected to the left end of the bottom end face of the shell, a second connecting rod is rotatably connected to the rotating support through a rotating shaft, and a fixing rod is fixedly connected to the other end of the second connecting rod, be provided with the fixture block that transversely runs through the dead lever on the dead lever, fixture block and dead lever sliding connection, fixture block outside cover is equipped with the second spring, the one end and the fixture block fixed connection of second spring, the other end and the dead lever fixed connection of second spring, the draw-in groove has been seted up to protective cover left end face bottom, the fixture block card is gone into in the draw-in groove, fixture block and protective cover sliding connection.

As the utility model relates to a mechanical-electrical interlock is preferred, the inboard first spring of fixedly connected with of casing right-hand member face, the other end and the switch fixed connection of first spring.

As the utility model relates to a mechanical electric interlock is preferred, first contact uses with the cooperation of second contact.

As the utility model relates to a mechanical-electrical interlock is preferred, the inclined plane setting is personally submitted to the fixture block right-hand member, the inclined plane of fixture block makes progress.

Compared with the prior art, the beneficial effects of the utility model are that:

the device no longer uses link structure, and before the protective cover of opening the device, the circuit in the device is in the physics off-state, and after the protective cover of opening the device, the circuit in the device just can connect, just can use the switch to control electrical apparatus this moment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural diagram of a position a in fig. 1 according to the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is a schematic view of the unfolding structure of the present invention;

in the figure: 1. a housing; 2. a through groove; 3. a gear; 4. a first connecting rod; 5. a protective cover; 6. a switch; 7. a first spring; 8. a rack; 9. a first contact; 10. a second contact; 11. rotating the support; 12. a second connecting rod; 13. fixing the rod; 14. a clamping block; 15. a second spring; 16. a clamping groove.

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.

Example 1

Referring to fig. 1-4, the present invention provides a mechanical and electrical interlocking device, which comprises a housing 1 having an indent structure, a through slot 2 is formed on a top end surface of the housing 1, the top end surface of the housing 1 is rotatably connected with a gear 3 through a bracket, a first connecting rod 4 is fixedly connected to a left end of an outer side wall of the gear 3, a protective cover 5 is fixedly connected to the other end of the first connecting rod 4, the protective cover 5 is slidably connected with the housing 1, a switch 6 is arranged inside the housing 1, the switch 6 is slidably connected with the housing 1, a rack 8 is fixedly connected to a center position of the top end surface of the switch 6, the rack 8 is located in the through slot 2, the rack 8 is engaged with the gear 3, a first contact 9 is fixedly connected to a bottom end of a left end surface of the switch 6, a second contact 10 is fixedly connected to a left end surface inside the bottom end surface of the housing 1, a rotating support 11 is fixedly connected to the left end surface of the housing 1, a second connecting rod 12 is rotatably connected to the rotating support 11 through a rotating shaft, the other end of the second connecting rod 12 is fixedly connected with a fixing rod 13, a clamping block 14 transversely penetrating through the fixing rod 13 is arranged on the fixing rod 13, the clamping block 14 is connected with the fixing rod 13 in a sliding mode, a second spring 15 is sleeved on the outer side of the clamping block 14, one end of the second spring 15 is fixedly connected with the clamping block 14, the other end of the second spring 15 is fixedly connected with the fixing rod 13, a clamping groove 16 is formed in the bottom end of the left end face of the protective cover 5, the clamping block 14 is clamped into the clamping groove 16, and the clamping block 14 is connected with the protective cover 5 in a sliding mode.

In the device, the first spring 7 is a compression spring.

In this embodiment: when the device is used, a user firstly pulls the fixture block 14, the second spring 15 is compressed, the fixture block 14 at the moment is drawn out from the clamping groove 16, the device is separated from the protective cover 5, the switch 6 moves leftwards under the action of the elastic force of the first spring 7, the gear 3 is rotated by the rack 8 meshed with the gear 3, the gear 3 drives the protective cover 5 to move through the first connecting rod 4, the switch 6 moves leftwards, the first contact 9 on the switch can be inserted into the second contact 10, the circuit in the device is physically communicated at the moment, the protective cover 5 is moved away to expose the switch 6, and the user can control the electric appliance through the switch 6 at the moment.

In an alternative embodiment, a first spring 7 is fixedly connected to the inner side of the right end face of the housing 1, and the other end of the first spring 7 is fixedly connected to the switch 6.

In this embodiment: through the design, the device can automatically complete physical communication after contact limitation.

In an alternative embodiment, the first contact 9 is used in cooperation with the second contact 10.

In an alternative embodiment, the right end surface of the latch 14 is inclined, and the inclined surface of the latch 14 faces upward.

In this embodiment: through the design, the latch 14 is automatically moved by being pressed when contacting the protection cover 5, so that the latch 14 can be smoothly clamped into the latch slot 16.

The utility model discloses a theory of operation and use flow: when the device is used, a user firstly pulls the fixture block 14, the second spring 15 is compressed, the fixture block 14 at the moment is drawn out from the clamping groove 16, the device is separated from the protective cover 5, the switch 6 moves leftwards under the action of the elastic force of the first spring 7, the gear 3 is rotated by the rack 8 meshed with the gear 3, the gear 3 drives the protective cover 5 to move through the first connecting rod 4, the switch 6 moves leftwards, the first contact 9 on the switch can be inserted into the second contact 10, the circuit in the device is physically communicated at the moment, the protective cover 5 is moved away to expose the switch 6, and the user can control the electric appliance through the switch 6 at the moment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mechanical-electrical interlocking device comprising a housing (1) having a concave structure, characterized in that: the top end face of the shell (1) is provided with a through groove (2), the top end face of the shell (1) is connected with a gear (3) through rotation of a support, the left end of the outer side wall of the gear (3) is fixedly connected with a first connecting rod (4), the other end of the first connecting rod (4) is fixedly connected with a protective cover (5), the protective cover (5) is in sliding connection with the shell (1), the inner side of the shell (1) is provided with a switch (6), the switch (6) is in sliding connection with the shell (1), the center position of the top end face of the switch (6) is fixedly connected with a rack (8), the rack (8) is positioned in the through groove (2), the rack (8) is meshed with the gear (3) and is connected with a first contact (9), the left end face of the switch (6) is fixedly connected with a second contact (10), casing (1) bottom face left end fixedly connected with rotates support (11), rotate in support (11) and be connected with second connecting rod (12) through the pivot rotation, the other end fixedly connected with dead lever (13) of second connecting rod (12), be provided with fixture block (14) of transversely running through dead lever (13) on dead lever (13), fixture block (14) and dead lever (13) sliding connection, fixture block (14) outside cover is equipped with second spring (15), the one end and fixture block (14) fixed connection of second spring (15), the other end and dead lever (13) fixed connection of second spring (15), draw-in groove (16) have been seted up to protective cover (5) left end face bottom, fixture block (14) card is gone into in draw-in groove (16), fixture block (14) and protective cover (5) sliding connection.

2. The mechanical-electrical interlock device of claim 1, wherein: the inner side of the right end face of the shell (1) is fixedly connected with a first spring (7), and the other end of the first spring (7) is fixedly connected with a switch (6).

3. The mechanical-electrical interlock device of claim 1, wherein: the first contact (9) is matched with the second contact (10) for use.

4. The mechanical-electrical interlock device of claim 1, wherein: the right end face of the clamping block (14) is arranged in an inclined plane, and the inclined plane of the clamping block (14) faces upwards.