CN204067185U - Hydraulic pressure switch - Google Patents
Hydraulic pressure switch Download PDFInfo
- Publication number
- CN204067185U CN204067185U CN201420600453.3U CN201420600453U CN204067185U CN 204067185 U CN204067185 U CN 204067185U CN 201420600453 U CN201420600453 U CN 201420600453U CN 204067185 U CN204067185 U CN 204067185U
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- Prior art keywords
- push pedal
- hydraulic pressure
- pressure switch
- set screw
- shell block
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Abstract
The utility model discloses a kind of hydraulic pressure switch, comprise shell block, cap, diaphragm, push pedal, moving contact, fixed contact, set screw and back-moving spring; The inner chamber of the housing connected and composed by described cap and described shell block is divided into epicoele and cavity of resorption by described diaphragm, described cap is provided with to supply water and flows into the water inlet of described epicoele, described set screw is arranged on the center of described shell block, described push pedal is arranged in described cavity of resorption, and can move vertically; One end and the described set screw of described back-moving spring offset, and the other end and described push pedal offset; Described moving contact is fixed in described push pedal, together can move with described push pedal; Described fixed contact is fixed on described shell block, and described moving contact contacts to be formed with described fixed contact and is electrically connected.The compact conformation of hydraulic pressure switch of the present utility model is reasonable, reliable in action, and action sensitivity is higher, can meet the job requirement of more occasions.
Description
Technical field
The utility model relates to a kind of hydraulic pressure switch, belongs to construction of switch design field.
Background technology
A kind of low water pressure switch is disclosed in patent documentation CN202018918U, it comprises shell and drain pan, described drain pan is fixed by screw and shell, the top of described shell is provided with the water inlet supplying water and flow into, water inlet end is provided with diaphragm, the week of this diaphragm is installed on locating piece along limit, described locating piece is provided with pressure key chamber, flange and diaphragm groove, wherein press in key chamber and pressure key is installed, be installed in described flange by the pin body of pressure key simultaneously, described pin body then contacts with the shift knob of sensitive switch, cylindrical flange is provided with in locating piece, and install for the pin body of described pressure key, and the free gap of relative set and make that pressure key can be vertical up and down.Although this hydraulic pressure switch has good result of use, but still Shortcomings: select sensitive switch as the electric elements of on-off circuit in this hydraulic pressure switch, make the structure of hydraulic pressure switch not compact, action sensitivity is poor, is difficult to the job requirement meeting some special occasions.
Utility model content
To this, it is reasonable that the purpose of this utility model is to provide a kind of compact conformation, the hydraulic pressure switch that action sensitivity is high.
The technical scheme realizing the utility model object is:
A kind of hydraulic pressure switch, comprises shell block, cap, diaphragm, push pedal, moving contact, fixed contact, set screw and back-moving spring; The inner chamber of the housing connected and composed by described cap and described shell block is divided into epicoele and cavity of resorption by described diaphragm, described cap is provided with to supply water and flows into the water inlet of described epicoele, described set screw is arranged on the center of described shell block, described push pedal is arranged in described cavity of resorption, and can move vertically; One end and the described set screw of described back-moving spring offset, and the other end and described push pedal offset; Described moving contact is fixed in described push pedal, together can move with described push pedal; Described fixed contact is fixed on described shell block, and described moving contact contacts to be formed with described fixed contact and is electrically connected.
In technique scheme, the inner of described set screw is provided with the holding tank for arranging described back-moving spring, and the outer end of described set screw is provided with the inner hexagonal hole for screwing.
In technique scheme, described cap outside is provided with the circular tube shaped installation portion be coaxially set with described water inlet, and the outer wall of described installation portion is provided with external screw thread.
In technique scheme, described water inlet, described diaphragm, described push pedal, described back-moving spring and described set screw are coaxially set.
In technique scheme, described diaphragm comprise be located at center pushing part, center, be located at the fixed part of outer peripheral edges and connect the connecting portion of pushing part, described center and described fixed part; Described push pedal and described connecting portion correspondence position are provided with annular groove, and the cross sectional shape of described annular groove is trapezoidal or circular arc.
In technique scheme, described fixed part is fixedly clamped by described shell block and described cap.
The utility model has positive effect:
(1) in hydraulic pressure switch of the present utility model, do not select sensitive switch as the electric elements of on-off circuit, but directly moving contact is fixed in push pedal, fixed contact is fixed on shell block, compact conformation is reasonable, this hydraulic pressure switch in use, push pedal described in water pressure pushing is moved, push pedal drives moving contact fixed thereon to contact turning circuit with fixed contact in the process of movement, when hydraulic pressure disappears or is not enough, under the elastic force effect of back-moving spring, promote described push pedal move, make to be fixed on moving contact in push pedal away from fixed contact thus open circuit, compared with the existing hydraulic pressure switch with sensitive switch, the action of hydraulic pressure switch of the present utility model is more reliable, action sensitivity is higher, the job requirement of more occasions can be met.
(2) in hydraulic pressure switch of the present utility model, the inner of described set screw is provided with the holding tank for arranging described back-moving spring, the outer end of described set screw is provided with the inner hexagonal hole for screwing, the effect spacing to back-moving spring can be played by arranging holding tank, offset to prevent back-moving spring position, inner hexagonal hole being set in addition, using die nut to screw set screw when assembling hydraulic pressure switch convenient.
(3), in hydraulic pressure switch of the present utility model, described cap outside is provided with the circular tube shaped installation portion be coaxially set with described water inlet, and the outer wall of described installation portion is provided with external screw thread; Hydraulic pressure switch can be facilitated to be connected with outer water tube by adopting this structure.
(4), in hydraulic pressure switch of the present utility model, described water inlet, described diaphragm, described push pedal, described back-moving spring and described set screw are coaxially set; By the action sensitivity adopting this structure can improve hydraulic pressure switch further.
(5) in hydraulic pressure switch of the present utility model, described diaphragm comprise be located at center pushing part, center, be located at the fixed part of outer peripheral edges and connect the connecting portion of pushing part, described center and described fixed part; Described push pedal and described connecting portion correspondence position are provided with annular groove, and the cross sectional shape of described annular groove is trapezoidal or circular arc; By adopting said structure can effectively avoid diaphragm and push pedal to rub, thus play the effect of protection diaphragm.
Accompanying drawing explanation
Fig. 1 is the cutaway view of hydraulic pressure switch of the present utility model.
Reference numeral shown in figure is: 1-shell block; 2-cap; 3-diaphragm; 4-push pedal; 5-moving contact; 6-fixed contact; 7-set screw; 8-back-moving spring; 9-cavity of resorption; 10-epicoele; 11-water inlet; 12-holding tank; 13-inner hexagonal hole; 14-installation portion; Pushing part, 15-center; 16-fixed part; 17-connecting portion; 18-annular groove.
Embodiment
Do to illustrate below in conjunction with the concrete structure of Figure of description to hydraulic pressure switch of the present utility model:
A kind of hydraulic pressure switch, as shown in Figure 1, it comprises shell block 1, cap 2, diaphragm 3, push pedal 4, moving contact 5, fixed contact 6, set screw 7 and back-moving spring 8; The inner chamber of the housing connected and composed with described shell block 1 by described cap 2 is divided into epicoele 10 and cavity of resorption 9 by described diaphragm 3, described cap 2 is provided with to supply water and flows into the water inlet 11 of described epicoele 10, described set screw 7 is arranged on the center of described shell block 1, described push pedal 4 is arranged in described cavity of resorption 9, and can move vertically; One end and the described set screw 7 of described back-moving spring 8 offset, and the other end and described push pedal 4 offset; Described moving contact 5 is fixed in described push pedal 4, together can move with described push pedal 4; Described fixed contact 6 is fixed on described shell block 1, and described moving contact 5 contacts to be formed with described fixed contact 6 and is electrically connected.In hydraulic pressure switch of the present utility model, do not select sensitive switch as the electric elements of on-off circuit, but directly moving contact 5 is fixed in push pedal 4, fixed contact 6 is fixed on shell block 1, compact conformation is reasonable, this hydraulic pressure switch in use, push pedal 4 described in water pressure pushing is moved, push pedal 4 drives moving contact 5 fixed thereon to contact turning circuit with fixed contact 6 in the process of movement, when hydraulic pressure disappears or is not enough, under the elastic force effect of back-moving spring 8, promote described push pedal 4 move, make to be fixed on moving contact 5 in push pedal 4 away from fixed contact 6 thus open circuit, compared with the existing hydraulic pressure switch with sensitive switch, the action of hydraulic pressure switch of the present utility model is more reliable, action sensitivity is higher, the job requirement of more occasions can be met.
The inner of described set screw 7 in the present embodiment is provided with the holding tank 12 for arranging described back-moving spring 8, and the outer end of described set screw 7 is provided with the inner hexagonal hole 13 for screwing; The effect spacing to back-moving spring 8 can being played by arranging holding tank 12, to prevent back-moving spring 8 position from offseting, inner hexagonal hole 13 is set in addition, using die nut to screw set screw 7 when assembling hydraulic pressure switch convenient.
In the present embodiment, described cap 2 outside is provided with the circular tube shaped installation portion 14 be coaxially set with described water inlet 11, and the outer wall of described installation portion 14 is provided with external screw thread; Hydraulic pressure switch can be facilitated to be connected with outer water tube by adopting this structure.
Further, described water inlet 11, described diaphragm 3, described push pedal 4, described back-moving spring 8 and described set screw 7 are coaxially set; By the action sensitivity adopting this structure can improve hydraulic pressure switch further.
Described diaphragm 3 in the present embodiment comprises the pushing part, center 15 being located at center, the fixed part 16 being located at outer peripheral edges and connects the connecting portion 17 of pushing part, described center 15 and described fixed part 16; Described push pedal 4 is provided with annular groove 18 with described connecting portion 17 correspondence position, and the cross sectional shape of described annular groove 18 is trapezoidal or circular arc, and the edges and corners of the diaphragm 3 that may wear and tear on annular groove 18 described in the present embodiment are equipped with fillet; After described diaphragm 3 is subject to hydraulic pressure, pushing part, described center 15 promotes push pedal 4 and moves.By adopting said structure can effectively avoid diaphragm 3 and push pedal 4 to rub, thus play the effect of protection diaphragm 3.
Fixed part 16 described in the present embodiment is fixedly clamped by described shell block 1 and described cap 2, and described shell block 1 is fixedly connected with by screw or rivet with cap 2.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the 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 exhaustive without the need to also giving all execution modes.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.
Claims (6)
1. a hydraulic pressure switch, is characterized in that: comprise shell block (1), cap (2), diaphragm (3), push pedal (4), moving contact (5), fixed contact (6), set screw (7) and back-moving spring (8); The inner chamber of the housing connected and composed by described cap (2) and described shell block (1) is divided into epicoele (10) and cavity of resorption (9) by described diaphragm (3), described cap (2) is provided with to supply water and flows into the water inlet (11) of described epicoele (10), described set screw (7) is arranged on the center of described shell block (1), described push pedal (4) is arranged in described cavity of resorption (9), and can move vertically; One end and the described set screw (7) of described back-moving spring (8) offset, and the other end and described push pedal (4) offset; Described moving contact (5) is fixed in described push pedal (4), together can move with described push pedal (4); Described fixed contact (6) is fixed on described shell block (1), and described moving contact (5) contacts to be formed with described fixed contact (6) and is electrically connected.
2. hydraulic pressure switch according to claim 1, it is characterized in that: the inner of described set screw (7) is provided with the holding tank (12) for arranging described back-moving spring (8), the outer end of described set screw (7) is provided with the inner hexagonal hole (13) for screwing.
3. hydraulic pressure switch according to claim 2, it is characterized in that: described cap (2) outside is provided with the circular tube shaped installation portion (14) be coaxially set with described water inlet (11), and the outer wall of described installation portion (14) is provided with external screw thread.
4. hydraulic pressure switch according to claim 1, is characterized in that: described water inlet (11), described diaphragm (3), described push pedal (4), described back-moving spring (8) and described set screw (7) are coaxially set.
5. hydraulic pressure switch according to any one of claim 1 to 4, is characterized in that: described diaphragm (3) comprise be located at center pushing part, center (15), be located at the fixed part (16) of outer peripheral edges and connect the connecting portion (17) of pushing part, described center (15) and described fixed part (16); Described push pedal (4) and described connecting portion (17) correspondence position are provided with annular groove (18), and the cross sectional shape of described annular groove (18) is trapezoidal or circular arc.
6. hydraulic pressure switch according to claim 5, is characterized in that: described fixed part (16) is fixedly clamped by described shell block (1) and described cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600453.3U CN204067185U (en) | 2014-10-16 | 2014-10-16 | Hydraulic pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600453.3U CN204067185U (en) | 2014-10-16 | 2014-10-16 | Hydraulic pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067185U true CN204067185U (en) | 2014-12-31 |
Family
ID=52208642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600453.3U Active CN204067185U (en) | 2014-10-16 | 2014-10-16 | Hydraulic pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067185U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531548A (en) * | 2016-12-19 | 2017-03-22 | 杨嘉奇 | Pressure switch |
| CN107086155A (en) * | 2017-05-27 | 2017-08-22 | 重庆隆鑫机车有限公司 | Hydraulic braking electric switch and motorcycle |
| CN108538681A (en) * | 2018-06-20 | 2018-09-14 | 中国人民解放军海军潜艇学院 | The hydraulic member switch and its communicating buoy automatic releasing device that band manually controls |
| CN110571098A (en) * | 2019-09-29 | 2019-12-13 | 蔡士军 | Pressure relay |
| CN111489918A (en) * | 2019-01-28 | 2020-08-04 | 株式会社鹭宫制作所 | Pressure switch |
-
2014
- 2014-10-16 CN CN201420600453.3U patent/CN204067185U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531548A (en) * | 2016-12-19 | 2017-03-22 | 杨嘉奇 | Pressure switch |
| CN106531548B (en) * | 2016-12-19 | 2019-09-20 | 杨嘉奇 | Pressure switch |
| CN107086155A (en) * | 2017-05-27 | 2017-08-22 | 重庆隆鑫机车有限公司 | Hydraulic braking electric switch and motorcycle |
| CN108538681A (en) * | 2018-06-20 | 2018-09-14 | 中国人民解放军海军潜艇学院 | The hydraulic member switch and its communicating buoy automatic releasing device that band manually controls |
| CN111489918A (en) * | 2019-01-28 | 2020-08-04 | 株式会社鹭宫制作所 | Pressure switch |
| CN111489918B (en) * | 2019-01-28 | 2022-04-19 | 株式会社鹭宫制作所 | Pressure switch |
| CN110571098A (en) * | 2019-09-29 | 2019-12-13 | 蔡士军 | Pressure relay |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |