CN202905598U

CN202905598U - Wind pressure switch

Info

Publication number: CN202905598U
Application number: CN 201220666863
Authority: CN
Inventors: 杨建良; 张文豪; 周国忠; 张文玺
Original assignee: WENZHOU JIUHE ELECTRICAL TECHNOLOGY Co Ltd
Current assignee: ZHONGSHAN H & J ELECTRICAL APPLIANCE TECHNOLOGY CO., LTD.
Priority date: 2012-12-07
Filing date: 2012-12-07
Publication date: 2013-04-24
Anticipated expiration: 2022-12-07

Abstract

The utility model discloses a wind pressure switch, comprising an upper cover, a lower cover, a separation film, a piston, a return spring, an adjusting screw, a rubber ring, a gasket, and a microswitch, wherein the rubber ring and the gasket are located between the piston and the inner wall of the upper cover; a through hole is formed in the center of the upper cover, and an assembling support is arranged at the outer periphery of the through hole; the assembling support comprises a positioning plate wall perpendicular to the outer wall of the upper cover and two parallel side walls formed by perpendicularly protruding from the two side ends of the positioning plate wall, and the two parallel side walls both provided with corresponding pin holes; the microswitch is arranged between the two parallel side walls and fixed on the assembling support through two pins which penetrate through the pin holes and positioning holes; one end of the microswitch is arranged adjacent to the positioning plate wall, and a trigger handle of the microswitch, being located inside the through hole in the center of the upper cover, is higher than the inner wall of the upper cover and arranged exactly opposite to the gasket; and the piston can push the gasket to move to trigger the trigger handle of the microswitch during the reciprocating motion. The wind pressure switch has a relatively reasonable and compact structure and effectively guarantees the stability and reliability of the microswitch.

Description

A kind of blast switch

Technical field

The utility model belongs to the pressure switch construction design field, is specifically related to a kind of blast switch.

Background technology

Blast switch is a kind of detecting element, and generally being used in needs blast mechanically, and such as pneumatic press, airoperated clipper, gas heater, it is to utilize gas pressure to promote sensitive switch.

Known blast switch, there is a diaphragm clip to be held between metal top cover and the lower plastic cover, the space segmentation that lid is defined becomes upper chamber and lower chamber, each air chamber all has blow vent, loam cake is fixed with sensitive switch, and prop up the spring that is held between lower cover and the barrier film, upwards to promote by the central protuberance of its elastic force with barrier film, make its action thereby depress sensitive switch.

Existing blast switch all is the assembling support to be set covering, and sensitive switch is fixed on the assembling support again, because existing assembling supporting structure is not too reasonable, cause sensitive switch loosening easily, especially at the stronger environment of vibratility, affect its useful life and effect.

Summary of the invention

The purpose of this utility model provide a kind of structure comparatively rationally compact, effectively guarantee the blast switch of sensitive switch reliability.

The technical scheme that realizes the utility model purpose is: a kind of blast switch comprises loam cake, lower cover, barrier film, piston, back-moving spring, set screw, cushion rubber, diaphragm seal and sensitive switch; Described diaphragm center place is provided with open-work, and described piston is arranged in the barrier film open-work, and described barrier film becomes upper chamber and lower chamber with the spatial separation that piston encloses loam cake and lower cover; Described lower cover center is provided with the adjusting screw, and described set screw is arranged in this adjusting screw, and described back-moving spring is between lower cover inwall and piston; Described sensitive switch is provided with location hole and triggers handle; Described cushion rubber and diaphragm seal are between piston and loam cake inwall; Described loam cake center is provided with open-work, and is provided with the assembling support in the open-work periphery; Described assembling support comprise one perpendicular to the location wooden partition of upper cover outer wall with from vertical two parallel side walls that protrude formation of this location wooden partition two side ends, be equipped with corresponding pin shaft hole on two parallel side walls; Described sensitive switch is arranged between two parallel side walls, and is fixed on the assembling support by two bearing pins that pass described pin shaft hole and location hole; One end positioned adjacent wooden partition of described sensitive switch arranges, and it triggers handle and is arranged in the loam cake central bore and exceeds the loam cake inwall, and over against the diaphragm seal setting; Described piston can promote the triggering handle that diaphragm seal moved also and then touched sensitive switch in moving back and forth.

In the such scheme, also comprise a capping, described lower cover outer wall is regulated the screw periphery at it and also is provided with annular boss, and this cap cover is located on the annular boss.

In the such scheme, also comprise being arranged on the mounting bracket that covers.

The utility model structure is comparatively rationally compact, and its sensitive switch has high stability, can satisfy the stronger environment of vibration and use.

Description of drawings

Fig. 1 is a kind of perspective view of the present utility model;

A kind of perspective view of Fig. 2 when to be blast switch shown in Figure 1 from another angle observe;

Fig. 3 is a kind of explosive view of blast switch shown in Figure 1;

Fig. 4 is a kind of perspective view of loam cake in the blast switch shown in Figure 1;

Fig. 5 is a kind of perspective view of lower cover in the blast switch shown in Figure 1.

Mark is shown in the accompanying drawing: loam cake 1, and open-work 11, lower cover 2 is regulated screw 21, annular boss 22, barrier film 3, open-work 31, piston 4, back-moving spring 5, set screw 6, cushion rubber 71, diaphragm seal 72, sensitive switch 8, location hole 81, assembling support 9, location wooden partition 91, parallel side wall 92, pin shaft hole 921, bearing pin 100, capping 200, mounting bracket 300.

Embodiment

(embodiment 1)

Fig. 1 to Fig. 3 has shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of perspective view of the present utility model; A kind of perspective view of Fig. 2 when to be blast switch shown in Figure 1 from another angle observe; Fig. 3 is a kind of explosive view of blast switch shown in Figure 1; Fig. 4 is a kind of perspective view of loam cake in the blast switch shown in Figure 1; Fig. 5 is a kind of perspective view of lower cover in the blast switch shown in Figure 1.

Present embodiment is a kind of blast switch, sees that Fig. 1 to shown in Figure 5, comprises loam cake 1, lower cover 2, barrier film 3, piston 4, back-moving spring 5, set screw 6, cushion rubber 71, diaphragm seal 72 and sensitive switch 8; Described diaphragm center place is provided with open-work 31, and described piston is arranged in the barrier film open-work, and described barrier film becomes upper chamber and lower chamber with the spatial separation that piston encloses loam cake and lower cover; Described lower cover center is provided with regulates screw 21, and described set screw is arranged in this adjusting screw, and described back-moving spring is between lower cover inwall and piston; Described sensitive switch is provided with location hole 81 and triggers handle; Described cushion rubber and diaphragm seal are between piston and loam cake inwall; Described loam cake center is provided with open-work 11, and is provided with assembling support 9 in the open-work periphery; Described assembling support comprise one perpendicular to the location wooden partition 91 of upper cover outer wall with from vertical two parallel side wall 92, two parallel side walls that protrude formation of this location wooden partition two side ends, be equipped with corresponding pin shaft hole 921; Described sensitive switch is arranged between two parallel side walls, and is fixed on the assembling support by two bearing pins 100 that pass described pin shaft hole and location hole; One end positioned adjacent wooden partition of described sensitive switch arranges, and it triggers handle and is arranged in the loam cake central bore and exceeds the loam cake inwall, and over against the diaphragm seal setting; Described piston can promote the triggering handle that diaphragm seal moved also and then touched sensitive switch in moving back and forth.

Present embodiment also comprises a capping 200, and described lower cover outer wall is regulated the screw periphery at it and also is provided with annular boss 22, and this cap cover is located on the annular boss.

Present embodiment also comprises and is arranged on the mounting bracket 300 that covers.

The present embodiment structure is comparatively rationally compact, and its sensitive switch has high stability, can satisfy the stronger environment of vibration and use.

Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims

1. a blast switch comprises loam cake (1), lower cover (2), barrier film (3), piston (4), back-moving spring (5), set screw (6), cushion rubber (71), diaphragm seal (72) and sensitive switch (8); Described diaphragm center place is provided with open-work (31), and described piston is arranged in the barrier film open-work, and described barrier film becomes upper chamber and lower chamber with the spatial separation that piston encloses loam cake and lower cover; Described lower cover center is provided with regulates screw (21), and described set screw is arranged in this adjusting screw, and described back-moving spring is between lower cover inwall and piston; Described sensitive switch is provided with location hole (81) and triggers handle; Described cushion rubber and diaphragm seal are between piston and loam cake inwall; It is characterized in that: described loam cake center is provided with open-work (11), and is provided with assembling support (9) in the open-work periphery; Described assembling support comprise one perpendicular to the location wooden partition (91) of upper cover outer wall with from vertical two parallel side walls (92) that protrude formation of this location wooden partition two side ends, be equipped with corresponding pin shaft hole (921) on two parallel side walls; Described sensitive switch is arranged between two parallel side walls, and is fixed on the assembling support by two bearing pins (100) that pass described pin shaft hole and location hole; One end positioned adjacent wooden partition of described sensitive switch arranges, and it triggers handle and is arranged in the loam cake central bore and exceeds the loam cake inwall, and over against the diaphragm seal setting; Described piston can promote the triggering handle that diaphragm seal moved also and then touched sensitive switch in moving back and forth.

2. blast switch according to claim 1 is characterized in that: also comprise a capping (200), described lower cover outer wall is regulated screw periphery at it and also is provided with annular boss (22), and this cap cover is located on the annular boss.

3. blast switch according to claim 1 is characterized in that: also comprise being arranged on the mounting bracket (300) that covers.