CN219144044U

CN219144044U - Damage-proof travel switch

Info

Publication number: CN219144044U
Application number: CN202222818028.9U
Authority: CN
Inventors: 刘献强; 董贵锋; 刘柏希; 刘洳妍
Original assignee: Zhejiang Zhenghuo Electric Co ltd
Current assignee: Zhejiang Zhenghuo Electric Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-06
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of travel switches, in particular to a damage-preventing travel switch which comprises a first shell and a second shell, wherein the structural dimensions of the first shell and the second shell are matched, and the peripheries of the first shell and the second shell are connected through a plurality of groups of first screws, first gaskets and first elastic gaskets; a torsion bar is rotatably arranged at one end of the second shell far away from the first shell, a rocker arm is arranged on the torsion bar, and the bottom of the rocker arm is connected with a second elastic pad through a second screw, a second gasket; the second shell is internally provided with a micro switch, a rotating shaft, a spring seat, a first buffer cushion and a second buffer cushion. According to the utility model, the rocker arm is connected with the torsion bar through the second screw, the second gasket and the second elastic pad, so that the rocker arm is convenient to replace and maintain, the periphery of the first shell and the periphery of the second shell are connected through a plurality of groups of first screws, the first gasket and the first elastic pad, the rocker arm is more convenient to mount and dismount, and the rocker arm can be regularly inspected, maintained and maintained, so that the damage caused by long-time use of internal coordination is prevented.

Description

Damage-proof travel switch

Technical Field

The utility model relates to the technical field of control equipment, in particular to a damage-preventing travel switch.

Background

The travel switch is a common small-current master control electric appliance. The contact of the production mechanical moving part is enabled to act by utilizing the collision of the production mechanical moving part to realize the connection or disconnection of the control circuit, so that a certain control purpose is achieved.

Publication (bulletin) number: CN105448574a discloses a travel switch, which comprises a metal sheet and a pushing shaft, wherein the pushing shaft is connected with a sliding sheet, and an insulating block is arranged between the metal sheet and the pushing shaft. Compared with the prior art, the utility model prevents the pushing shaft from shifting downwards after multiple displacements by arranging the insulating block below the pushing shaft, and leads the pushing shaft to directly touch the metal sheet to form a short circuit, thereby prolonging the service life of the whole switch.

The travel switch improves the service life of the whole switch, but the travel switch body is of an integrated structure, and is inconvenient to use for a long time to inspect or maintain internal fittings to cause damage.

Disclosure of Invention

The present utility model is directed to a damage-proof travel switch, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the damage-proof travel switch comprises a first shell and a second shell which are matched in structural dimension, wherein the peripheries of the first shell and the second shell are connected through a plurality of groups of first screws, first gaskets and first elastic gaskets;

the torsion bar is rotatably arranged at one end of the second shell far away from the first shell, the rocker arm is arranged on the torsion bar, and the bottom of the rocker arm is connected with the second elastic pad through a second screw, a second gasket;

the micro-switch, the rotating shaft, the spring seat, the first buffer pad and the second buffer pad are arranged in the second shell, the rotating shaft is sleeved with the first sleeve, the second sleeve is arranged at one end of the first sleeve, and the first sleeve is connected with the second sleeve through the round pin.

Preferably, a nameplate area is arranged in the middle of the outer wall of one side of the first shell away from the second shell.

Preferably, a first seal ring is installed in the first sleeve.

Preferably, the connection part of the first shell and the second shell passes through a second sealing ring.

Preferably, the second buffer pad is connected to the end of the rotating shaft through a third screw, a third gasket and a third elastic pad.

Preferably, a fourth gasket is mounted on the outer wall of the torsion bar, and the fourth gasket is connected to the outer wall of the torsion bar through a fourth screw.

Preferably, a three-phase cable which is communicated with the inside is arranged on the outer wall of one side of the second shell, and three connector lugs of the cable are connected with the binding posts through three groups of fifth screws.

Preferably, a sealing cover for sealing is arranged at the joint of the cable and the second shell.

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

1. in this damage prevention travel switch, connect through second screw, second gasket and second bullet pad between rocking arm and the torsion bar, be convenient for change and maintenance, first casing and second casing be connected through multiunit first screw, first gasket and first bullet pad all around, and it is more convenient to install and dismantle, can regularly inspect, maintenance and maintenance, prevents that inside cooperation from using for a long time and causing the damage.

2. In this damage prevention travel switch, the first casing is kept away from one side outer wall mid-mounting of second casing and is had the nameplate district for model, rated power, the voltage etc. of display device.

3. In this damage prevention travel switch, install the third gasket on the outer wall of torsion bar, the third gasket passes through the fourth screw to be connected on the outer wall of torsion bar, is convenient for install or dismantle.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, however, the utility model.

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the first housing of the present utility model;

fig. 3 is a schematic structural view of the direction a in fig. 1 according to the present utility model.

Meaning of each reference numeral in the drawings:

1. a first housing; 2. a first screw; 3. a first gasket; 4. a first spring pad; 5. a second housing; 6. a rocker arm; 7. a second screw; 8. a second gasket; 9. a second spring pad; 10. a combination screw; 11. a micro-switch; 12. a first sleeve; 13. round pins; 14. a spring seat; 15. a first seal ring; 16. a third screw; 17. a third gasket; 18. a third spring pad; 19. a fourth screw; 20. a fourth gasket; 21. a second seal ring; 22. a second sleeve; 23. a first cushion pad; 24. a second cushion pad; 25. a nameplate area; 26. a fifth screw; 27. a cable; 28. binding posts; 29. sealing cover; 30. a rotating shaft; 31. torsion bar.

Detailed Description

The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The damage-proof travel switch comprises a first shell 1 and a second shell 5 with matched structural dimensions, wherein the peripheries of the first shell 1 and the second shell 5 are connected through a plurality of groups of first screws 2, first gaskets 3 and first elastic gaskets 4; a torsion bar 31 is rotatably arranged at one end of the second shell 5 far away from the first shell 1, a rocker arm 6 is arranged on the torsion bar 31, and the bottom of the rocker arm 6 is connected with a second elastic pad 9 through a second screw 7 and a second gasket 8; install micro-gap switch 11, pivot 30, spring holder 14, first blotter 23 and second blotter 24 in the second casing 5, first sleeve 12 has been cup jointed on the pivot 30, second sleeve 22 is installed to the tip of first sleeve 12, connect through round pin 13 between first sleeve 12 and the second sleeve 22, be connected through second screw 7 between rocking arm 6 and the torsion bar 31, second gasket 8 and second bullet pad 9, be convenient for change and maintenance, first casing 1 and second casing 5 are connected through multiunit first screw 2, first gasket 3 and first bullet pad 4 all around, the installation is dismantled more conveniently, can regularly inspect, maintenance and maintenance, prevent that the inside cooperation from using for a long time from causing the damage.

In the present embodiment, the operating principle of the rocker arm 6 and the torsion bar 31 is as follows: when the running adhesive tape is deviated, the edge of the adhesive tape and the vertical roller rotate and are extruded to incline, if the inclination of the vertical roller is larger than the primary action angle, a group of switch signals are immediately sent out, if the inclination of the vertical roller is continuously larger than the secondary action angle, another group of switch signals are output, the two groups of switch signals are respectively used for alarming or stopping, and the vertical roller is automatically reset after the normal operation of the adhesive tape machine is restored.

Further, a nameplate area 25 is installed in the middle of the outer wall of one side of the first casing 1 far away from the second casing 5, and is used for displaying the type, rated power, voltage and the like of the equipment.

It should be noted that the first sleeve 12 is internally provided with the first sealing ring 15, and the joint of the first casing 1 and the second casing 5 passes through the second sealing ring 21, so that the sealing effect is improved through the arranged first sealing ring 15 and second sealing ring 21.

Specifically, the second cushion 24 is connected to the end of the rotating shaft 30 through the third screw 16, the third washer 17 and the third spring pad 18, the fourth washer 20 is installed on the outer wall of the torsion bar 31, and the fourth washer 20 is connected to the outer wall of the torsion bar 31 through the fourth screw 19, so that the installation or the disassembly is facilitated.

In addition, install the three-phase cable 27 that is linked together with inside on the one side outer wall of second casing 5, three connector lug of cable 27 is connected through three group's fifth screw 26 and terminal 28, and the junction of cable 27 and second casing 5 is provided with the sealed lid 29 that is used for sealedly, improves sealed effect.

The utility model relates to a working principle of a damage-proof travel switch: during the use, operating personnel controls according to the two states of rocking arm 6 and torsion bar 31, and is connected through second screw 7, second gasket 8 and second bullet pad 9 between rocking arm 6 and the torsion bar 31, is convenient for change and maintenance, and first casing 1 and second casing 5 are connected through multiunit first screw 2, first gasket 3 and first bullet pad 4 all around, and the installation is dismantled more conveniently, can regularly inspect, maintenance and maintenance, prevents that inside cooperation from using for a long time and causing the damage.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a travel switch of damage prevention which characterized in that: the novel elastic cushion comprises a first shell (1) and a second shell (5) which are matched in structural size, wherein the peripheries of the first shell (1) and the second shell (5) are connected through a plurality of groups of first screws (2), first gaskets (3) and first elastic cushions (4);

a torsion bar (31) is rotatably arranged at one end, far away from the first shell (1), of the second shell (5), a rocker arm (6) is arranged on the torsion bar (31), and the bottom of the rocker arm (6) is connected with a second elastic pad (9) through a second screw (7) and a second gasket (8);

install micro-gap switch (11), pivot (30), spring holder (14), first blotter (23) and second blotter (24) in second casing (5), first sleeve (12) have been cup jointed on pivot (30), second sleeve (22) are installed to one end of first sleeve (12), connect through round pin (13) between first sleeve (12) and the second sleeve (22).

2. The tamper resistant travel switch of claim 1, wherein: and a nameplate area (25) is arranged in the middle of the outer wall of one side of the first shell (1) far away from the second shell (5).

3. The tamper resistant travel switch of claim 1, wherein: a first sealing ring (15) is arranged in the first sleeve (12).

4. The tamper resistant travel switch of claim 1, wherein: the joint of the first shell (1) and the second shell (5) passes through a second sealing ring (21).

5. The tamper resistant travel switch of claim 1, wherein: the second cushion pad (24) is connected to the end part of the rotating shaft (30) through a third screw (16), a third gasket (17) and a third elastic pad (18).

6. The tamper resistant travel switch of claim 1, wherein: a fourth gasket (20) is arranged on the outer wall of the torsion bar (31), and the fourth gasket (20) is connected to the outer wall of the torsion bar (31) through a fourth screw (19).

7. The tamper resistant travel switch of claim 1, wherein: and a three-phase cable (27) communicated with the inside is arranged on the outer wall of one side of the second shell (5), and three connector lugs of the cable (27) are connected with the binding posts (28) through three groups of fifth screws (26).

8. The tamper resistant travel switch of claim 7, wherein: the connection part of the cable (27) and the second shell (5) is provided with a sealing cover (29) for sealing.