CN104362038A - Wind pressure switch - Google Patents
Wind pressure switch Download PDFInfo
- Publication number
- CN104362038A CN104362038A CN201410597275.8A CN201410597275A CN104362038A CN 104362038 A CN104362038 A CN 104362038A CN 201410597275 A CN201410597275 A CN 201410597275A CN 104362038 A CN104362038 A CN 104362038A
- Authority
- CN
- China
- Prior art keywords
- switch
- shell
- left shell
- air chamber
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a wind pressure switch which comprises a left shell, a right shell and a microswitch. A switch support is fixed on the left shell, the microswitch is installed on the switch support, a diaphragm is clamped between the left shell and the right shell and divides the cavity composed of the left shell and the right shell into a left air chamber and a right air chamber, vent holes communicated with the left air chamber and the right air chamber are arranged in the left shell and the right shell, a through hole is arranged in the middle of the left shell, and a top diaphragm is clamped between the switch support and the through hole; a blind hole is arranged in the center of the top diaphragm, a switch support pillar is arranged in the center of the blind hole and is always abutted against the position of a button of the microswitch, and the switch support pillar is made of rigid materials. By the arrangement, the shortcoming that the top diagram and the microswitch adopt rubber bumps as contacts in the prior art is overcome, the top pillar made of the rigid materials is arranged on the top diaphragm and is assuredly less prone to deformation after extrusion, service life of products is prolonged, and accuracy of the products is improved.
Description
Technical field
The present invention relates to a kind of blast switch, particularly a kind of blast switch improving structure between teleblem and sensitive switch.
Background technology
Existing baroswitch, it comprises left shell, right shell body and diaphragm, left shell is fixed with support, one sensitive switch is rack-mount, diaphragm is clamped by left shell and right shell body, and the cavity of left shell and right shell being stopped composition is separated into left air chamber and right air chamber, left air chamber has blow vent, and right air chamber also has blow vent; The through hole of left shell is provided with tactile film, and this tactile film is clamped by left shell and support, tactile center membrane has contact, it is right that the left side of contact and the triggering of sensitive switch are rectified, right side can with film contact: the right side of diaphragm has right step, one liner and a spring housing are contained on right step, and the left end of spring is resisted against on liner, and right-hand member leans against on the adjustment screw that is placed in the middle of right shell body in screw.
The blast switch of said structure is adopted to be connected with the external world by the blow vent of left and right air chamber, so malleation or negative pressure can be utilized separately to control diaphragm action with left air chamber or right air chamber, also can work by left and right air chamber simultaneously, diaphragm action is controlled, thus applied range by the malleation of left and right air chamber and the pressure reduction of negative pressure.
But be mainly used in the environment of the high-temp combustions such as family expenses forced air ventilation gas heater due to this type of blast switch, the touch center of prior art is as contact with the integrated rubber bumps of touch, in high temperature environments, rubber contact can become more soft, blast switch is very responsive for the change of pressure, once rubber contact deliquescing, the sensitivity of connected sensitive switch will be had a greatly reduced quality, and have impact on precision and the useful life of whole blast switch.
Summary of the invention
(1) technical problem that will solve
Object of the present invention will overcome above-mentioned shortcoming exactly, aims to provide a kind of blast switch.
(2) technical scheme
For solving the problem, the present invention proposes a kind of blast switch, comprise left shell, right shell body and sensitive switch, left shell is fixed with switch bracket, and switch bracket installs sensitive switch, is clamped with diaphragm between left shell and right shell body, the cavity of left shell and right shell body composition is divided into left air chamber and right air chamber by this diaphragm, left shell with right shell body is equipped with the air vent hole be communicated with right air chamber with left air chamber, have through hole in the middle of left shell, between switch bracket and through hole, clamp teleblem; Diaphragm central authorities are fixed with the protruding balancing patch of band, right shell body central authorities are provided with set screw and regulating spring, this regulating spring is between set screw and balancing patch, described teleblem central authorities are provided with blind hole, described blind hole central authorities are provided with switch fore-set, conflict all the time in the button position of described switch fore-set and sensitive switch, described switch fore-set material is rigid plastics.
Further, left shell is provided with screw hole, and described left shell and right shell body are screwed.
Further, seamless welding between described balancing patch and diaphragm.
Further, described left shell or right shell body are provided with fixed support.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages: overcome teleblem and sensitive switch in prior art and adopt rubber bumps as the defect of contact, utilize on teleblem and rigid plastics fore-set is set, ensure that fore-set is not yielding after extrusion, improve useful life and the accuracy of product.
Accompanying drawing explanation
Fig. 1 is the explosive view of blast switch of the present invention;
Fig. 2 is the cutaway view of blast switch of the present invention;
Fig. 3 is the teleblem of blast switch of the present invention and the structural representation of left shell.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As depicted in figs. 1 and 2, blast switch of the present invention, comprise left shell 1, right shell body 2 and sensitive switch 3, left shell 1 is fixed with switch bracket 32, switch bracket 32 is installed sensitive switch 3, diaphragm 4 is clamped with between left shell 1 and right shell body 2, the cavity that left shell 1 and right shell body 2 form is divided into left air chamber 11 and right air chamber 21 by this diaphragm 4, left shell 1 and right shell body 2 are equipped with air vent hole, through hole 13 is had in the middle of left shell 1, the left air vent hole 12 be communicated with left air chamber 11, the right air vent hole 22 be communicated with right air chamber 21, teleblem 5 is clamped between switch bracket 32 and through hole 13, diaphragm 4 central authorities are fixed with the protruding balancing patch 6 of band, right shell body 2 central authorities are provided with set screw 7 and regulating spring 8, set screw 7 and regulating spring 8, for regulating the initial pressure of this partial pressure switch, play the effect of fine setting, and this regulating spring 8 is between set screw 7 and balancing patch 6, as shown in Figure 3, described teleblem 5 central authorities are provided with blind hole 51, and described blind hole 51 central authorities are provided with switch fore-set 52, and described switch fore-set 52 is conflicted all the time with the button position 31 of sensitive switch 3, and described switch fore-set 52 material is rigid plastics.
Left shell 1 is provided with screw hole 14, described left shell 1 and right shell body 2 are screwed, object is to be easy for installation and removal, the housing of the partial pressure switch of prior art adopts clamping or ultrasonic bonding, the sealing means of prior art causes dismounting difficulty, then cannot dismantling of ultrasonic bonding, makes troubles to maintenance.
Seamless welding between described balancing patch 6 and diaphragm 4, ensure that diaphragm position is air tight.
Described left shell 1 or right shell body 2 are provided with fixed support 9, for being fixed on outside plant.
Instant invention overcomes teleblem and sensitive switch in prior art adopts rubber bumps as the defect of contact, utilizes on teleblem and arranges rigid plastics fore-set, ensure that fore-set is not yielding after extrusion, improves useful life and the accuracy of product.
Below be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a blast switch, comprise left shell (1), right shell body (2) and sensitive switch (3), left shell (1) is fixed with switch bracket (32), switch bracket (32) is installed sensitive switch (3), diaphragm (4) is clamped with between left shell (1) and right shell body (2), the cavity that left shell (1) and right shell body (2) form is divided into left air chamber (11) and right air chamber (21) by this diaphragm (4), left shell (1) with right shell body (2) is equipped with the air vent hole be communicated with right air chamber (21) with left air chamber (11), through hole (13) is had in the middle of left shell (1), teleblem (5) is clamped between switch bracket (32) and through hole (13), diaphragm (4) central authorities are fixed with the protruding balancing patch (6) of band, right shell body (2) central authorities are provided with set screw (7) and regulating spring (8), this regulating spring (8), between set screw (7) and balancing patch (6), is characterized in that:
Described teleblem (5) central authorities are provided with blind hole (51), described blind hole (51) central authorities are provided with switch fore-set (52), described switch fore-set (52) is conflicted all the time with the button position of sensitive switch (3), and described switch fore-set (52) material is rigid plastics.
2. blast switch according to claim 1, is characterized in that: left shell (1) is provided with screw hole (14), and described left shell (1) and right shell body (2) are screwed.
3. blast switch according to claim 2, is characterized in that: seamless welding between described balancing patch (6) and diaphragm (4).
4. blast switch according to claim 3, is characterized in that: described left shell (1) or right shell body (2) are provided with fixed support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597275.8A CN104362038A (en) | 2014-10-29 | 2014-10-29 | Wind pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597275.8A CN104362038A (en) | 2014-10-29 | 2014-10-29 | Wind pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104362038A true CN104362038A (en) | 2015-02-18 |
Family
ID=52529293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597275.8A Pending CN104362038A (en) | 2014-10-29 | 2014-10-29 | Wind pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735908A (en) * | 2021-01-18 | 2021-04-30 | 段文博 | Wind pressure switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0542695A2 (en) * | 1991-11-15 | 1993-05-19 | MA-TER S.r.l. | Touch pressure switch including a manually operated safety microswitch |
| CN102222586A (en) * | 2011-06-23 | 2011-10-19 | 邱凌众 | Instant-heating-type electric-heating water tap |
| CN202585245U (en) * | 2012-04-17 | 2012-12-05 | 佛山市顺德万和电气配件有限公司 | Wind pressure switch for gas water heater |
| CN202796731U (en) * | 2012-09-12 | 2013-03-13 | 浙江华地电子有限公司 | Wind pressure switch |
| CN202905598U (en) * | 2012-12-07 | 2013-04-24 | 温州九和电器科技有限公司 | Wind pressure switch |
| CN204204742U (en) * | 2014-10-29 | 2015-03-11 | 余姚市嘉荣电子电器有限公司 | Blast switch |
-
2014
- 2014-10-29 CN CN201410597275.8A patent/CN104362038A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0542695A2 (en) * | 1991-11-15 | 1993-05-19 | MA-TER S.r.l. | Touch pressure switch including a manually operated safety microswitch |
| CN102222586A (en) * | 2011-06-23 | 2011-10-19 | 邱凌众 | Instant-heating-type electric-heating water tap |
| CN202585245U (en) * | 2012-04-17 | 2012-12-05 | 佛山市顺德万和电气配件有限公司 | Wind pressure switch for gas water heater |
| CN202796731U (en) * | 2012-09-12 | 2013-03-13 | 浙江华地电子有限公司 | Wind pressure switch |
| CN202905598U (en) * | 2012-12-07 | 2013-04-24 | 温州九和电器科技有限公司 | Wind pressure switch |
| CN204204742U (en) * | 2014-10-29 | 2015-03-11 | 余姚市嘉荣电子电器有限公司 | Blast switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735908A (en) * | 2021-01-18 | 2021-04-30 | 段文博 | Wind pressure switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |
|
| RJ01 | Rejection of invention patent application after publication |