CN214956512U

CN214956512U - Travel switch of linkage multiple connection points

Info

Publication number: CN214956512U
Application number: CN202121423714.5U
Authority: CN
Inventors: 陈旺
Original assignee: Guangdong Pfannenberg Technology Co ltd
Current assignee: Guangdong Pfannenberg Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-30
Anticipated expiration: 2031-06-25

Abstract

The utility model provides a travel switch of linkage multiple connection points, which belongs to the travel switch field and comprises a shell and a trigger push rod movably arranged in the shell through an elastic component, wherein the shell is fixedly provided with a plurality of groups of switch connection points, the trigger push rod is provided with a plurality of inclined planes and a U-shaped top block matched with the inclined planes, the U-shaped top block is driven to move up and down through the movement of the trigger push rod and simultaneously triggers the corresponding switch connection points, and the linkage on-off of a plurality of groups of switch connection points is realized; under the condition that only one group of switch connection points is needed, the other switch connection points can be used as standby connection points, so that the safety is ensured; when multiple functions need to use the travel switch, such as illumination and safety switch in the electric box, the travel switch can be started simultaneously, and a plurality of travel switches do not need to be installed.

Description

Travel switch of linkage multiple connection points

Technical Field

The utility model belongs to the travel switch field especially relates to a travel switch of many tie points of linkage.

Background

A travel switch and a position switch (also called a limit switch), which are commonly used small-current master control electrical appliances. The contact of the mechanical motion part is operated by the collision to realize the connection or disconnection of the control circuit, thereby achieving a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke.

However, most of the existing travel switches are only provided with one group of switch connection points, and once the switch connection points are in problem, the travel switches need to be replaced in a whole, and certain potential safety hazards can be formed when the travel switches are damaged and cannot be replaced temporarily.

In addition, with the development of automation, the use of the travel switch is more and more extensive, and a plurality of function points in one set of system equipment may need to use the travel switch at the same time. However, the method has poor linkage and is troublesome to install and not beneficial to the development of automation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a travel switch of many tie points of linkage, it includes the casing to and through the resettable movable mounting of elastomeric element trigger push rod in the casing, the casing on the fixed a plurality of switch tie points of group that are provided with, trigger push rod move about under the effect of external force and switch on a plurality of switch tie points of group respectively simultaneously.

The shell comprises a base with an upper opening, a face cover for shielding the upper opening is covered on the upper portion of the base, and the face cover and the base are matched to form the shell with a hollow space; the base be provided with the spout in the axis department that extends along length direction, the spout in be provided with elastomeric element matched with fixed fixture block, the spout both sides be provided with a plurality of installation screw that match one by one with the switch tie point.

The elastic component is a spiral spring, the trigger push rod is slidably mounted in a chute of the base, one end of the trigger push rod extends out of the base to serve as a trigger end, an upward concave groove is formed in the lower surface of the trigger push rod, a baffle is arranged in the groove, the elastic component is located between the fixed fixture block and the baffle, and two ends of the elastic component respectively abut against the fixed fixture block and the baffle; the upper surface of the trigger push rod is provided with a plurality of inclined surfaces corresponding to the switch connection points.

The upper surface of the trigger end of the trigger push rod is provided with a guide groove, the surface cover is provided with a guide block which extends downwards and is connected to the guide groove in a sliding manner at the position corresponding to the guide groove, and the guide groove and the guide block are matched with the sliding guide of the trigger push rod; the two sides of the tail end of the trigger end respectively extend outwards and transversely to form a T-shaped trigger end.

Each inclined plane top of trigger push rod respectively be provided with a U-shaped kicking block, the opening of the U-shaped of U-shaped kicking block downward and the horizontal pole and the inclined plane butt of U-shaped, trigger push rod's slip reciprocates through inclined plane drive U-shaped kicking block, the horizontal pole upper surface of U-shaped kicking block be provided with the electrically conductive contact that the intercommunication corresponds a set of switch tie point, electrically conductive contact intercommunication corresponds two switch tie points of a set of when U-shaped kicking block removes the highest point.

The switch connecting points are two in one group, each group is fixedly installed on the base through bolts and corresponds to one conductive contact, the switch connecting points are located above the face cover, and the conductive contacts penetrate through the face cover and then are connected with the switch connecting points.

The travel switch of linkage many tie points still include the protective housing, the protective housing joint at the upper surface of base and cooperation base parcel switch tie point, one side of protective housing is provided with the wire opening.

The utility model discloses beneficial effect who has: the utility model provides a be provided with on the trigger push rod a plurality of inclined planes and with inclined plane complex U-shaped kicking block, the switch tie point that reciprocates and triggers simultaneously correspondence through the removal drive U-shaped kicking block that triggers the push rod realizes the linkage break-make of multiunit switch tie point. Under the condition that only one group of switch connection points is needed, the other switch connection points can be used as standby connection points, so that the safety is ensured; when multiple functions need to use the travel switch, such as illumination and safety switch in the electric box, the travel switch can be started simultaneously, and a plurality of travel switches do not need to be installed.

Drawings

Fig. 1 is a schematic structural diagram of a travel switch with linkage multiple connection points.

Fig. 2 is a schematic structural view of a travel switch hiding protective case linked with multiple connection points.

Fig. 3 is a schematic sectional structure view of a travel switch with linkage multiple connection points.

Fig. 4 is a schematic structural diagram of a travel switch hidden surface cover and a switch connection point of a linkage multi-connection point.

Fig. 5 is an exploded view of a travel switch with multiple linkage points.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The travel switch with linkage multiple connection points as shown in fig. 1-5 comprises a shell 1 and a trigger push rod 2 movably arranged in the shell 1 in a resettable manner through an elastic component 3, wherein four groups of switch connection points 4 are fixedly arranged on the shell 1; the shell 1 comprises a base 11 with an upper opening, a surface cover 12 for shielding the upper opening is covered on the upper part of the base 11, and the surface cover 12 and the base 11 are matched to form the shell 1 with a hollow space; a sliding groove 13 is formed in the central axis of the base 11 extending in the length direction, a right-angled triangular prism-shaped fixed clamping block 14 matched with the elastic component 3 is arranged in the sliding groove 13, and four mounting screw holes 15 respectively matched with the switch connection points 4 one by one are formed in two sides of the sliding groove 13; the trigger push rod 2 is slidably mounted in the sliding groove 13 of the base 11, one end of the trigger push rod extends out of the base 11 to serve as a trigger end 21, an upward concave groove is formed in the lower surface of the trigger push rod 2, a baffle 22 is arranged in the groove, the elastic component 3 is located between the fixed clamping block 14 and the baffle 22, and two ends of the elastic component 3 respectively abut against the fixed clamping block 14 and the baffle 22; the upper surface of the trigger push rod 2 is provided with two inclined surfaces 23 corresponding to the switch connection points 4; the upper surface of the triggering end 21 of the triggering push rod 2 is provided with a guide groove 24, the surface cover 12 is provided with a guide block 16 which extends downwards and is connected to the guide groove 24 in a sliding manner at the position corresponding to the guide groove 24, and the guide groove 24 and the guide block 16 are matched for the sliding guide of the triggering push rod; both sides of the tail end of the trigger end 21 respectively extend outwards and transversely to form a T-shaped trigger end 21; a U-shaped top block 5 is arranged above each inclined surface 23 of the trigger push rod 2, the U-shaped opening of the U-shaped top block 5 is downward, the U-shaped cross rod is abutted against the inclined surface 23, the trigger push rod 2 slides to drive the U-shaped top block 5 to move up and down through the inclined surface 23, the upper surface of the cross rod of the U-shaped top block 5 is provided with a conductive contact 51 communicated with a corresponding group of switch connection points 4, each U-shaped top block 5 is provided with two conductive contacts 51, and the conductive contact 51 is communicated with the corresponding group of two switch connection points 4 when the U-shaped top block 5 moves to the highest position; the switch connecting points 4 are two in one group, each group is fixedly installed on the base 11 through bolts and corresponds to one conductive contact 51, the switch connecting points 4 are located above the surface cover 12, and the conductive contacts 51 penetrate through the surface cover 12 and then are connected with the switch connecting points 4.

As a preferred embodiment, the elastic member 3 is a coil spring.

As preferred embodiment, the travel switch of linkage multiple connection point still include protective housing 6, protective housing 6 joint in the upper surface of base 11 and cooperation base 11 parcel switch connection point 4, one side of protective housing 6 is provided with wire opening 61.

Under the condition that only one group of switch connection points 4 is needed to work, the rest switch connection points 4 can be used as standby connection points, and the safety is ensured; when multiple functions need to use the travel switch, such as illumination and safety switch in the electric box, the travel switch can be started simultaneously, and a plurality of travel switches do not need to be installed.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The travel switch is characterized by comprising a shell (1) and a trigger push rod (2) which is movably arranged in the shell (1) through an elastic component (3) in a resettable mode, wherein a plurality of groups of switch connection points (4) are fixedly arranged on the shell (1), and the trigger push rod (2) moves under the action of external force and is simultaneously and respectively connected with the plurality of groups of switch connection points (4).

2. A linked multi-connection-point travel switch according to claim 1, wherein the housing (1) comprises a base (11) with an upper opening, the upper part of the base (11) is covered with a surface cover (12) for shielding the upper opening, and the cooperation of the surface cover (12) and the base (11) forms the housing (1) with a hollow space; base (11) be provided with spout (13) in the axis department that extends along length direction, spout (13) in be provided with fixed fixture block (14) with elastomeric element (3) matched with, spout (13) both sides be provided with a plurality of installation screw (15) that match one by one with switch tie point (4).

3. The travel switch of linkage multiple connection points according to claim 2, wherein the elastic component (3) is a coil spring, the trigger push rod (2) is slidably installed in the sliding groove (13) of the base (11) and one end of the trigger push rod extends out of the base (11) to serve as a trigger end (21), an upward concave groove is formed in the lower surface of the trigger push rod (2), a baffle (22) is arranged in the groove, the elastic component (3) is located between the fixed clamping block (14) and the baffle (22), and two ends of the elastic component (3) respectively abut against the fixed clamping block (14) and the baffle (22); the upper surface of the trigger push rod (2) is provided with a plurality of inclined surfaces (23) corresponding to the switch connection points (4).

4. A linked multi-connection-point travel switch according to claim 3, wherein the trigger push rod (2) is provided with a guide groove (24) on the upper surface of the trigger end (21), the surface cover (12) is provided with a guide block (16) which extends downwards and is slidably connected to the guide groove (24) at the corresponding guide groove (24), and the guide groove (24) and the guide block (16) are matched with the sliding guide of the trigger push rod; the two sides of the tail end of the triggering end (21) extend outwards and transversely respectively to form a T-shaped triggering end (21).

5. The travel switch of linkage multiple connection points according to claim 4, characterized in that a U-shaped top block (5) is arranged above each inclined surface (23) of the trigger push rod (2), the U-shaped top block (5) is provided with a downward U-shaped opening, a U-shaped cross rod is abutted to the inclined surface (23), the trigger push rod (2) slides to drive the U-shaped top block (5) to move up and down through the inclined surface (23), the upper surface of the cross rod of the U-shaped top block (5) is provided with a conductive contact (51) communicated with a corresponding group of switch connection points (4), and the conductive contact (51) is communicated with a corresponding group of two switch connection points (4) when the U-shaped top block (5) moves to the highest position.

6. A travel switch with linkage multiple connection points according to claim 5, characterized in that the switch connection points (4) are in a group of two, each group is fixedly installed on the base (11) through bolts and corresponds to one conductive contact (51), the switch connection points (4) are located above the face cover (12), and the conductive contacts (51) penetrate through the face cover (12) and then are connected with the switch connection points (4).

7. The travel switch of linkage multiple connection points according to any one of claims 1 to 6, further comprising a protective shell (6), wherein the protective shell (6) is clamped on the upper surface of the base (11) and is matched with the base (11) to wrap the switch connection point (4), and one side of the protective shell (6) is provided with a wire opening (61).