CN208596642U - Pressure switch - Google Patents
Pressure switch Download PDFInfo
- Publication number
- CN208596642U CN208596642U CN201821479239.1U CN201821479239U CN208596642U CN 208596642 U CN208596642 U CN 208596642U CN 201821479239 U CN201821479239 U CN 201821479239U CN 208596642 U CN208596642 U CN 208596642U
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- CN
- China
- Prior art keywords
- lower case
- upper housing
- inserted sheet
- moving contact
- mandril
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Abstract
The utility model relates to a kind of pressure switches, including shell and switch bracket, shell includes upper housing and lower case, switch bracket is equipped with quiet inserted sheet and dynamic inserted sheet, switch bracket is arranged in lower case, quiet inserted sheet is equipped with static contact, dynamic inserted sheet is equipped with elastic moving contact, elastic moving contact is located at side of the static contact far from upper housing, elasticity moving contact is mutually touched with static contact when not by external force, slip is provided with mandril in lower case, the corresponding elastic moving contact setting in the end of mandril, lower case is equipped with instantaneously changing spring leaf in one end close to upper housing, instantaneously changing spring leaf and mandril, which contradict, to be cooperated, upper housing is equipped with water inlet, upper housing and lower case are screwed on by screw thread, cooperated between upper housing and lower case by diaphragm seal, upper housing is equipped with the accommodating cavity being conducted with water inlet, diaphragm is placed in accommodating cavity, under Diaphragm can be pressed on the bottom surface of accommodating cavity by shell.Using the above scheme, simple in construction, easy to disassemble and assemble, it is low in cost.
Description
Technical field
The utility model relates to a kind of pressure switches.
Background technique
Pressure switch is the pressure by fluid media (medium), carrys out the on-off of control circuit.
General pressure switch, including shell and switch bracket, shell include upper housing and lower case, on switch bracket
Equipped with quiet inserted sheet and dynamic inserted sheet, switch bracket is set in lower case, and quiet inserted sheet and dynamic inserted sheet are respectively from lower case far from upper housing
One end be pierced by, quiet inserted sheet is equipped with static contact, moves inserted sheet and is equipped with elastic moving contact, it is separate that elastic moving contact is located at static contact
The side of upper housing, elasticity moving contact is mutually touched with static contact when not by external force, and slip is provided with mandril in lower case,
The corresponding elastic moving contact setting in the end of mandril, lower case are equipped with installation cavity, setting in installation cavity in one end close to upper housing
Have a spring leaf, spring leaf and mandril contradict far from one end of elastic moving contact and cooperate, and upper housing is equipped with water inlet, water inlet with
Installation cavity is conducted, and when hydraulic pressure reaches certain value, hydraulic pressure can drive Spring deformation, to push mandril, mandril it is another
The corresponding elastic moving contact in end, elastic moving contact can be lifted off static contact by mandril, so that the disconnection of external circuit is realized, in order to realize
Sealing between upper housing and lower case, does not allow water to flow into lower case from water inlet, and spring leaf directly welds to be formed with lower case
Sealing, and in order to improve outer cover intensity and waterproofness, need entirety to be sealed with epoxy resin.Existing for above-mentioned technical proposal
Problem: spring leaf is welded with shell and shell is integrally sealed with epoxy resin, when some parts damages in pressure switch, dismounting
Replacement is inconvenient, the pressure switch that can only more renew, while manufacturing cost is high.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, provides a kind of pressure switch, structure is simple, dismounting side
Just, low in cost.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of pressure switch, including shell and
Switch bracket, the shell include upper housing and lower case, and the switch bracket is equipped with quiet inserted sheet and dynamic inserted sheet, switch bracket
It is arranged in lower case, quiet inserted sheet and dynamic inserted sheet are pierced by from lower case far from one end of upper housing respectively, are set on the quiet inserted sheet
There is static contact, the dynamic inserted sheet is equipped with elastic moving contact, and elastic moving contact is located at side of the static contact far from upper housing, not
It is mutually touched by elasticity moving contact when external force with static contact, slip is provided with mandril, the end pair of mandril in the lower case
Elastic moving contact is answered to be arranged, lower case is equipped with the instantaneously changing spring leaf that upward housing direction arches upward, wink in one end close to upper housing
Ricochet reed and mandril are contradicted far from one end of elastic moving contact to be cooperated, and the upper housing is equipped with water inlet, the upper housing
Be screwed on cooperation with lower case by screw thread, cooperated between upper housing and lower case by diaphragm seal, upper housing be equipped with into
The accommodating cavity that the mouth of a river is conducted, diaphragm are placed in accommodating cavity, and diaphragm can be pressed on the bottom surface of accommodating cavity by lower case, diaphragm by
Compressive strain can compress instantaneously changing spring leaf, and instantaneously changing spring leaf can drive mandril to the side movement close to elastic moving contact.
By using above scheme, quiet inserted sheet is connected with dynamic inserted sheet with external circuit, the on-off of quiet inserted sheet and dynamic inserted sheet
The on-off of controllable external circuit, external circuit can control water-filled pipe whether water flowing, the water inlet of upper housing can be with water service pipe
Road is connected, and when water flow flows into water inlet, water flow applies pressure to diaphragm, and diaphragm is rubber diaphragm, and flexible deformation can occur,
To compress instantaneously changing spring leaf, after instantaneously changing spring leaf is compressed deformation, can restore to deform once removing and compressing power, instantaneously changing spring
Piece is disposed adjacent with diaphragm, when hydraulic pressure reaches certain value, notch distortion under the moment of arching upward that hydraulic pressure can drive instantaneously changing spring leaf, from
And mandril is pushed, elastic moving contact can be lifted off static contact by the corresponding elastic moving contact of the other end of mandril, mandril, to realize outer
The disconnection of portion's circuit, water-filled pipe are no longer intake；With the outflow of water flow, after hydraulic pressure is decreased to certain value, instantaneously changing spring leaf
Restore deformation, mandril does not have the active force of instantaneously changing spring leaf, since elastic moving contact needs to restore deformation, gives mandril elasticity
Power, and drive mandril mobile, elastic moving contact is reset to static contact to touching, realizes the conducting of external circuit, water-filled pipe
Continue to intake, upper housing and lower case are screwed on cooperation by screw thread, and connection structure is simple, and convenient for disassembly and assembly, wherein diaphragm not only may be used
For compressing instantaneously changing Spring deformation, the sealing between upper housing and lower case, and upper housing and lower case can be also used for
This simple connection type may not only be applied to the location and installation of diaphragm, and be convenient for the assembly of upper housing and lower case, structure
Simply, convenient for disassembly and assembly, it is low in cost.
The utility model is further arranged so that the diaphragm includes mounting portion and pressure section, and the mounting portion circularizes
Setting, pressure section is located at the inside of mounting portion and flexible deformation, the accommodating cavity can occur for corresponding water inlet setting, pressure section
Bottom surface be equipped with annular groove with mounting portion shape adaptation, mounting portion can be pressed on the bottom surface of annular groove by lower case
On.
By using above scheme, the mounting portion of diaphragm can be pressed at annular groove by the end face of lower case, realize film
The location and installation of piece, the pressure section of diaphragm by hydraulic pressure effect can to dilatation at lower case, to compress instantaneously changing spring leaf,
When the pressure section of diaphragm is not acted on by hydraulic pressure, it can restore to the original state.
The utility model is further arranged so that the lower case is equipped with the installation cavity installed for switch bracket, described
The lateral surface of switch bracket is equipped with fixture block, and the inner wall of the installation cavity is equipped with the card slot being engaged by clamping with fixture block or card hole.
By using above scheme, fixture block is fastened at card hole, and switch bracket is directly installed in lower case, can avoid adopting
With other auxiliary mounting structures, so that structure is simpler, it is easier for installation.
The lateral surface for being further arranged so that the switch bracket of the utility model is equipped with stepped groove, the stepped groove
Place is arranged with sealing ring, and sealing ring can be contradicted with the inner wall of installation cavity to be cooperated.
By using above scheme, sealing ring is easy for installation, and the setting of sealing ring is so that between switch bracket and lower case
With good sealing effect, water be may not flow into installation cavity, safer.
Guide pad, the installation are additionally provided on the lateral surface for being further arranged so that the switch bracket of the utility model
The inner wall of chamber is equipped with the guide groove plugged for guide pad.
By using above scheme, guide pad can slide along guide groove, when installing switch bracket, play certain guiding
Effect is engaged by clamping convenient for switch bracket and lower case.
The medium position for being further arranged so that the lower case of the utility model is equipped with the through-hole worn for mandril, under
The end position of shell is equipped with the placing groove placed for instantaneously changing spring leaf, and through-hole is conducted with placing groove.
By using above scheme, instantaneously changing spring leaf is placed in placing groove, is not easy to drop out in assembly, is also given instantaneously changing
The certain deformation space of spring leaf, the end of mandril may extend to placing groove, can compress mandril after instantaneously changing Spring deformation, thus
Drive mandril mobile.
The inner wall for being further arranged so that the accommodating cavity of the utility model is equipped with internal screw thread, the end of lower case
Position is equipped with external screw thread compatible with internal screw thread.
By using above scheme, the position of internal screw thread and external screw thread setting is reasonable, can make full use of upper housing and lower casing
The space structure of body, so that whole assembly is more compact.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of the section structure of the utility model embodiment；
Fig. 3 is the configuration schematic diagram of the utility model embodiment；
Fig. 4 is diaphragm structure schematic diagram；
Fig. 5 is the structural schematic diagram of upper housing；
Fig. 6 is the structural schematic diagram of switch bracket；
Fig. 7 is the structural schematic diagram of lower case.
Specific embodiment
As shown in Fig. 1-Fig. 7, a kind of pressure switch, including shell and switch bracket 3, shell include upper housing 1 under
Shell 2, switch bracket 3 are equipped with quiet inserted sheet 41 and dynamic inserted sheet 42, and inserted sheet is used after being molded or assembled using mold insert with switch bracket 3
Resin seal, switch bracket 3 are arranged in lower case 2, and quiet inserted sheet 41 and dynamic inserted sheet 42 are respectively from lower case 2 far from upper housing 1
One end be pierced by, quiet inserted sheet 41 is equipped with static contact 411, moves inserted sheet 42 and is equipped with elastic moving contact 421, elastic moving contact 421
Side positioned at static contact 411 far from upper housing 1, elasticity moving contact 421 is touched with 411 phase of static contact when not by external force, under
Slip is provided with mandril 5 on shell 2, and the corresponding elastic moving contact 421 in the end of mandril 5 is arranged, lower case 2 is close to upper casing
One end of body 1 is equipped with the instantaneously changing spring leaf 6 that upward housing direction arches upward, instantaneously changing spring leaf 6 and mandril 5 far from elastic moving contact
421 one end contradicts cooperation, and upper housing 1 is equipped with water inlet 11, upper housing 1 and lower case 2 and is screwed on cooperation by screw thread, upper casing
By the sealing cooperation of diaphragm 7 between body 1 and lower case 2, upper housing 1 is equipped with the accommodating cavity 12 being conducted with water inlet 11, film
Piece 7 is placed in accommodating cavity 12, and diaphragm 7 can be pressed on the bottom surface of accommodating cavity 12 by lower case 2, and 7 compressive deformation of diaphragm can compress
Instantaneously changing spring leaf 6, instantaneously changing spring leaf 6 can drive mandril 5 to the side movement close to elastic moving contact 421.
In the present embodiment, diaphragm 7 includes mounting portion 71 and pressure section 72, and mounting portion 71 circularizes setting, pressure section 72
Positioned at mounting portion 71 inside and corresponding water inlet 11 be arranged, flexible deformation, the bottom surface of accommodating cavity 12 can occur for pressure section 72
It is equipped with the annular groove 13 with 71 shape adaptation of mounting portion, mounting portion 71 can be pressed on annular groove by the end face of lower case 2
On 13 bottom surface.
In the present embodiment, lower case 2 is equipped with the installation cavity 21 installed for switch bracket 3, the lateral surface of switch bracket 3
It is equipped with fixture block 31, the inner wall of installation cavity 21 is equipped with the card hole 22 that cooperation is connect with fixture block card 31, naturally it is also possible to be set as card
Slot structure.
In the present embodiment, the lateral surface of switch bracket 3 is equipped with stepped groove 32, is arranged with sealing ring 8 at stepped groove 32,
When switch bracket 3 is inserted in installation cavity 21, sealing ring 8 can be contradicted with the inner wall of installation cavity 21 to be cooperated, and realizes switch bracket 3 and peace
The sealing behaveing affectedly between 21 inner walls.
In the present embodiment, guide pad 33 is additionally provided on the lateral surface of switch bracket 3, the inner wall of installation cavity 21 is equipped with for leading
The guide groove 23 plugged to block 33.
In the present embodiment, the medium position of lower case 2 is equipped with the through-hole 24 worn for mandril 5, the end position of lower case 2
The placing groove 25 placed for instantaneously changing spring leaf 6 is installed, through-hole 24 is conducted with placing groove 25.
In the present embodiment, the inner wall of accommodating cavity 12 is equipped with internal screw thread 14, and the end position of lower case 2 is equipped with and interior spiral shell
The compatible external screw thread 26 of line 14, certain internal screw thread may be provided in lower case, and external screw thread is arranged on upper housing.
Above embodiments, only one kind of the utility model preferably specific embodiment, those skilled in the art are in this reality
It is included in the protection scope of the utility model with the usual variations and alternatives carried out in new technique aspects.
Claims (7)
1. a kind of pressure switch, including shell and switch bracket, the shell includes upper housing and lower case, the switch branch
Frame is equipped with quiet inserted sheet and dynamic inserted sheet, and switch bracket is arranged in lower case, and quiet inserted sheet and dynamic inserted sheet are respectively far from lower case
One end of upper housing is pierced by, and the quiet inserted sheet is equipped with static contact, and the dynamic inserted sheet is equipped with elastic moving contact, elastic moving contact
Side positioned at static contact far from upper housing, elasticity moving contact is mutually touched with static contact when not by external force, in the lower case
Slip is provided with mandril, and the corresponding elastic moving contact in the end of mandril is arranged, and lower case is equipped in one end close to upper housing
The instantaneously changing spring leaf that upward housing direction arches upward, instantaneously changing spring leaf and mandril are contradicted far from one end of elastic moving contact to be cooperated, institute
Upper housing is stated equipped with water inlet, it is characterised in that: the upper housing and lower case are screwed on cooperation by screw thread, upper housing and under
Being cooperated between shell by diaphragm seal, upper housing is equipped with the accommodating cavity being conducted with water inlet, and diaphragm is placed in accommodating cavity,
Diaphragm can be pressed on the bottom surface of accommodating cavity by lower case, and diaphragm compressive deformation can compress instantaneously changing spring leaf, and instantaneously changing spring leaf can
Drive mandril to the side movement close to elastic moving contact.
2. pressure switch according to claim 1, it is characterised in that: the diaphragm includes mounting portion and pressure section, described
Mounting portion circularizes setting, and pressure section is located at the inside of mounting portion and elastic change can occur for corresponding water inlet setting, pressure section
Shape, the bottom surface of the accommodating cavity are equipped with the annular groove with mounting portion shape adaptation, and mounting portion can be pressed on ring by lower case
On the bottom surface of connected in star.
3. pressure switch according to claim 1 or 2, it is characterised in that: the lower case is equipped with pacifies for switch bracket
The installation cavity of dress, the lateral surface of the switch bracket are equipped with fixture block, and the inner wall of the installation cavity is equipped with matches with fixture block clamping
The card slot or card hole of conjunction.
4. pressure switch according to claim 3, it is characterised in that: the lateral surface of the switch bracket is equipped with ladder
Slot is arranged with sealing ring at the stepped groove, and sealing ring can be contradicted with the inner wall of installation cavity to be cooperated.
5. pressure switch according to claim 3, it is characterised in that: be additionally provided with guiding on the lateral surface of the switch bracket
Block, the inner wall of the installation cavity are equipped with the guide groove plugged for guide pad.
6. pressure switch according to claim 1 or 2, it is characterised in that: the medium position of the lower case is equipped with for top
The through-hole that bar is worn, the end position of lower case are equipped with the placing groove placed for instantaneously changing spring leaf, and through-hole is conducted with placing groove.
7. pressure switch according to claim 1 or 2, it is characterised in that: the inner wall of the accommodating cavity is equipped with internal screw thread,
The end position of lower case is equipped with external screw thread compatible with internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479239.1U CN208596642U (en) | 2018-09-11 | 2018-09-11 | Pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479239.1U CN208596642U (en) | 2018-09-11 | 2018-09-11 | Pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596642U true CN208596642U (en) | 2019-03-12 |
Family
ID=65605524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479239.1U Active CN208596642U (en) | 2018-09-11 | 2018-09-11 | Pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045023A (en) * | 2021-04-26 | 2021-06-29 | 宁波利佳青石电气科技有限公司 | High-low voltage switch of water purifier |
| CN114220704A (en) * | 2021-11-29 | 2022-03-22 | 佛山市高明毅力温控器有限公司 | Air pressure switch and automatic assembly process method |
-
2018
- 2018-09-11 CN CN201821479239.1U patent/CN208596642U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045023A (en) * | 2021-04-26 | 2021-06-29 | 宁波利佳青石电气科技有限公司 | High-low voltage switch of water purifier |
| CN113045023B (en) * | 2021-04-26 | 2022-07-15 | 宁波利佳青石电气科技有限公司 | High-low voltage switch of water purifier |
| CN114220704A (en) * | 2021-11-29 | 2022-03-22 | 佛山市高明毅力温控器有限公司 | Air pressure switch and automatic assembly process method |
| CN114220704B (en) * | 2021-11-29 | 2024-01-30 | 佛山市高明毅力温控器有限公司 | Pneumatic switch and automatic assembly process method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |