CN220774225U - Pressure switch - Google Patents
Pressure switch Download PDFInfo
- Publication number
- CN220774225U CN220774225U CN202322401881.5U CN202322401881U CN220774225U CN 220774225 U CN220774225 U CN 220774225U CN 202322401881 U CN202322401881 U CN 202322401881U CN 220774225 U CN220774225 U CN 220774225U
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- Prior art keywords
- magnetic
- shell
- control
- magnetic pole
- pressure
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 230000001276 controlling effect Effects 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 13
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The utility model discloses a pressure switch, which comprises a connecting seat, a control module, a magnetic switch module and a housing, wherein the control module is arranged on the connecting seat and comprises a shell, a control component and a regulating component, the control component can be arranged in the shell in a linear movement manner and is provided with a magnetic attraction component, the regulating component comprises a positioning nut embedded in the shell, a regulating screw and a pressure spring, the regulating screw is arranged in the shell in a threaded manner and penetrates through the positioning nut, and the pressure spring is abutted against the regulating screw and the control component.
Description
Technical Field
The present utility model relates to a pressure switch, in particular for use in a pump and for controlling the pressure of a fluid.
Background
The common pipeline is connected with a pump, and fluid in the pump pressurizing pipeline can break through the limit of height difference and special topography so as to smoothly convey the fluid. And the pump is provided with a pressure switch for detecting the pressure change in the pipeline and controlling the operation of the pump so as to ensure that the pipeline can keep certain pressure.
The present pressure switch comprises a connecting seat, a diaphragm, a positioning seat, a switch module and a control component, wherein the connecting seat can be used for connecting a pipeline, the diaphragm is arranged on the connecting seat in a sealing way, the positioning seat and the switch module are arranged on the connecting seat, a regulating screw is arranged on the positioning seat, a pressure spring abutting against the regulating screw is arranged in the positioning seat, and the control component is arranged in the positioning seat in a linear movement way and abuts against the diaphragm under the pushing of the pressure spring.
When the pressure in the pipeline is insufficient, the pressure switch can control the pumping operation to enable the pressure in the pipeline to rise; when the pressure in the pipeline rises and is larger than the resistance of the pressure spring, the pressure of the fluid can push the diaphragm, and the diaphragm pushes the control assembly and triggers the switch module, so that the switch module controls the pump to stop running.
In order to prevent the adjusting screw from being loosened and moved due to vibration during the operation of the pump, the current manufacturer can fix the adjusting screw by gluing with a fixing agent after the adjusting screw is adjusted, but the mode of fixing the adjusting screw by gluing with the fixing agent may not only lead to the follow-up difficulty of the user to rotate the adjusting screw to adjust the pressure value, but also destroy the gluing fixing effect of the fixing agent after adjusting the position of the adjusting screw, and lead to the displacement of the adjusting screw due to the vibration of the pump, so that the user still needs to re-apply the fixing agent to fix the position of the adjusting screw, which is inconvenient in use.
Disclosure of Invention
The utility model aims to solve the technical problems that: the problem that the current pressure switch is inconvenient in operation of adjusting the position of the adjusting screw is solved.
The technical scheme of the utility model is as follows: the pressure switch of the present utility model comprises:
the connecting seat comprises a seat body, a connecting pipe and a diaphragm, wherein the connecting pipe is formed at one side of the seat body, a through hole which is communicated with the seat body and the connecting pipe is formed in the connecting seat, and the diaphragm is arranged on the seat body and seals the through hole;
a control module, set up on this adaptor, this control module contains:
the shell is arranged on the connecting seat, a movable space is formed in the shell, and a regulating and controlling screw hole communicated with the movable space is formed at the top of the shell;
the control component is arranged in the movable space of the shell in a linear movement way and is provided with a magnetic component; and
the regulating and controlling assembly comprises a positioning screw cap, a regulating and controlling screw and a pressure spring, wherein the positioning screw cap is embedded in a regulating and controlling screw hole of the shell, the regulating and controlling screw is screwed in the regulating and controlling screw hole and penetrates through the positioning screw cap, the pressure spring is arranged in a movable space of the shell, and two ends of the pressure spring are respectively abutted against the regulating and controlling screw and the control assembly, so that the control assembly is abutted against the diaphragm;
the magnetic switch module is arranged on the shell of the control module and can switch according to the position of the magnetic attraction component of the control component; and
and the outer cover is arranged on the control module.
Wherein, a mounting hole communicated with the regulating screw hole is formed at one side of the shell of the control module, and the positioning nut can be installed from the mounting hole and embedded in the regulating screw hole of the shell.
In addition, the magnetic attraction assembly is provided with a first magnetic pole and a second magnetic pole, the first magnetic pole of the magnetic attraction assembly faces the magnetic switch module, and the second magnetic pole of the magnetic attraction assembly is positioned at the other side of the first magnetic pole opposite to the magnetic switch module.
Furthermore, the shell of the control module forms a movable long groove communicated with the two opposite sides of the movable space respectively, the control assembly comprises a propping piece and a swing arm, the propping piece is arranged in the movable space of the shell in a linear movement mode, two opposite ends of the propping piece extend to form a support arm respectively, one end of the swing arm is pivoted to the shell, the magnetic attraction assembly is arranged at the other end of the swing arm, two control channels are formed in the middle section of the swing arm, and the support arm of the propping piece passes through the movable long groove of the shell and stretches into the control channels of the swing arm.
The advantages of the utility model are as follows:
the pressure switch can be applied to a pump and can control the operation of the pump according to the pressure of fluid, wherein the pressure switch not only can prevent the adjusting screw from easily shaking to release the pump by embedding the set position screw cap in the adjusting screw hole in the shell of the control module, but also can enable a user to automatically adjust the position of the adjusting screw according to the requirement so as to adjust the pressure setting size without carrying out subsequent anti-loosening treatment, thereby effectively improving the operation convenience of the pressure switch.
Drawings
FIG. 1 is an exploded view of a preferred embodiment of a pressure switch of the present utility model;
FIG. 2 is a schematic perspective view of the pressure switch of the present utility model with the housing removed;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of the pressure switch of the present utility model disposed on a pump;
FIG. 5 is a schematic cross-sectional view of the pressure switch of the present utility model when the fluid pressure is less than a set point;
FIG. 6 is a schematic partial cross-sectional view of the pressure switch of the present utility model when the fluid pressure is less than a set point;
FIG. 7 is a schematic cross-sectional view of the pressure switch of the present utility model when the fluid pressure reaches a set point;
FIG. 8 is a schematic partial cross-sectional view of the pressure switch of the present utility model when the fluid pressure reaches a set point;
wherein, the reference numerals:
10-connecting seats;
11-a base;
12-connecting pipe;
13-a membrane;
14-through holes;
20-a control module;
21-a housing;
211-an activity space;
212-adjusting and controlling screw holes;
213-fitting holes;
214-a movable elongated slot;
22-a control assembly;
221-a magnetic attraction component;
222-first pole;
223-second pole;
224-an abutment;
225-swinging arms;
226-arm;
227-control channels;
23-regulatory components;
231-positioning nuts;
232-adjusting and controlling screws;
233-a pressure spring;
30-a magnetic switch module;
40-outer cover;
50-pumping.
Detailed Description
The technical means adopted by the utility model to achieve the preset aim are further described below by matching with the attached drawings and the preferred embodiments of the utility model.
Referring to fig. 1 to 3, a pressure switch according to a preferred embodiment of the present utility model includes a connector base 10, a control module 20, a magnetic switch module 30, and a housing 40.
As shown in fig. 1 to 3, the connecting seat 10 comprises a seat body 11, a connecting tube 12 and a membrane 13, wherein the connecting tube 12 is formed at one side of the seat body 11, a through hole 14 penetrating the seat body 11 and the connecting tube 12 is formed in the connecting seat 10, and the membrane 13 is arranged on the seat body 11 and seals the through hole 14.
The control module 20 is disposed on the engagement seat 10, and the control module 20 includes a housing 21, a control assembly 22, and a control assembly 23.
The housing 21 is disposed on the engagement seat 10, and the housing 21 has a movable space 211 formed therein, and a control screw hole 212 communicating with the movable space 211 formed at the top.
The control component 22 is disposed in the movable space 211 of the housing 21 in a linearly movable manner, and the control component 22 has a magnetic component 221.
The adjusting and controlling assembly 23 comprises a positioning nut 231, an adjusting and controlling screw 232 and a pressure spring 233, wherein the positioning nut 231 is embedded in the adjusting and controlling screw hole 212 of the housing 21, the adjusting and controlling screw 232 is screwed in the adjusting and controlling screw hole 212 and penetrates through the positioning nut 231, the pressure spring 233 is arranged in the movable space 211 of the housing 21, and two ends of the pressure spring 233 are respectively abutted against the adjusting and controlling screw 232 and the control assembly 22, so that the control assembly 22 is abutted against the diaphragm 13.
As shown in fig. 1 to 3, the magnetic switch module 30 is disposed on the housing 21 of the control module 20, and the magnetic switch module 30 can switch according to the position of the magnetic attraction component 221 of the control component 22; wherein, the magnetic switch module 30 may be a reed switch or a hall sensor; in addition, as shown in fig. 3, the magnetic attraction component 221 has a first magnetic pole 222 and a second magnetic pole 223, the first magnetic pole 222 of the magnetic attraction component 221 faces the magnetic switch module 30, and the second magnetic pole 223 of the magnetic attraction component 221 is located at the other side of the first magnetic pole 222 opposite to the magnetic switch module 30.
As shown in fig. 1, the housing 40 is provided over the control module 20.
As shown in fig. 1, a mounting hole 213 communicating with the adjusting screw hole 212 is formed at one side of the housing 21 of the control module 20, and the positioning nut 231 can be inserted into and embedded in the adjusting screw hole 212 of the housing 21 from the mounting hole 213.
In addition, as shown in fig. 1 and 2, the housing 21 of the control module 20 forms a movable slot 214 on opposite sides of the movable space 211, and the control assembly 22 includes an abutment member 224 and a swing arm 225, the abutment member 224 is disposed in the movable space 211 of the housing 21 in a linearly movable manner, opposite ends of the abutment member 224 extend to form a support arm 226, one end of the swing arm 225 is pivoted on the housing 21, the magnetic attraction assembly 221 is disposed at the other end of the swing arm 225, two control channels 227 are formed at a middle section of the swing arm 225, and the support arm 226 of the abutment member 224 extends into the control channels 227 of the swing arm 225 through the movable slot 214 of the housing 21.
As shown in fig. 4, the pressure switch of the present utility model is applied to a pump 50, and the magnetic switch module 30 is electrically connected to the pump 50, and can control whether the pump 50 is operated according to the pressure of the fluid, wherein, as shown in fig. 5 and 6, when the pressure of the fluid in the pipeline of the pump 50 is insufficient, the magnetic attraction component 221 of the control component 22 is located in the magnetic induction range of the magnetic switch module 30, and the magnetic switch module 30 is in a conducting state, so that the pump 50 starts to operate and the pipeline starts to be pressurized.
During operation of the pump 50, the flow pressure in the pipeline gradually rises, as shown in fig. 5 to 8, when the fluid pressure in the pipeline exceeds the pressure exerted on the propping member 224 by the pressure spring 233, the diaphragm 13 deforms and pushes the propping member 224, so that the arm 226 of the propping member 224 pushes the swing arm 225 to swing; as shown in fig. 7 and 8, when the fluid pressure reaches a pressure set value, the magnetic attraction component 221 on the swing arm 225 is separated from the magnetic induction range of the magnetic switch module 30, and the magnetic switch module 30 is turned off, so that the pump 50 stops operating.
As shown in fig. 2 and 3, a user can adjust the pressure applied by the pressure spring 233 to the abutting member 224 by removing the outer cover 40 and rotating the adjusting screw 232, so as to adjust the pressure setting value when the magnetic switch module 30 of the pressure switch is turned off, wherein the positioning nut 231 embedded in the adjusting screw hole 212 inside the housing 21 of the control module 20 can not only make the adjusting screw 232 not easy to be vibrated by the pump 50 to release, but also make the user adjust the position of the adjusting screw 232 according to the requirement, so as to adjust the pressure setting value without performing subsequent anti-loosening treatment, thereby effectively improving the operation convenience of the pressure switch.
In addition, as shown in fig. 3, the first magnetic pole 222 of the magnetic attraction component 221 of the pressure switch of the present utility model faces the magnetic switch module 30, and the second magnetic pole 223 of the magnetic attraction component 221 is located at the other side of the first magnetic pole 222 opposite to the magnetic switch module 30, so that the magnetic attraction component 221 is not easy to generate noise due to the influence of magnetic force lines of the magnetic attraction component 221 during moving relative to the magnetic switch module 30.
In summary, the pressure switch of the present utility model is provided with the positioning nut 231, so that the adjusting screw 232 is not easy to be vibrated by the pump 50 to generate loosening, and meanwhile, the user can adjust the position of the adjusting screw 232 according to the requirement, so as to adjust the pressure setting size, and the subsequent anti-loosening treatment is not required, thereby effectively improving the operation convenience of the pressure switch.
The present utility model is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (5)
1. A pressure switch, the pressure switch comprising:
the connecting seat comprises a seat body, a connecting pipe and a diaphragm, wherein the connecting pipe is formed on one side of the seat body, a through hole penetrating through the seat body and the connecting pipe is formed in the connecting seat, and the diaphragm is arranged on the seat body and seals the through hole;
a control module disposed on the docking bay, the control module comprising:
the shell is arranged on the connecting seat, a movable space is formed in the shell, and a regulating and controlling screw hole communicated with the movable space is formed at the top of the shell;
the control component is arranged in the movable space of the shell in a linear movement manner and is provided with a magnetic component; and
the adjusting and controlling assembly comprises a positioning screw cap, an adjusting and controlling screw and a pressure spring, wherein the positioning screw cap is embedded in an adjusting and controlling screw hole of the shell, the adjusting and controlling screw is screwed in the adjusting and controlling screw hole and penetrates through the positioning screw cap, the pressure spring is arranged in a movable space of the shell, and two ends of the pressure spring are respectively abutted against the adjusting and controlling screw and the control assembly, so that the control assembly is abutted against the diaphragm;
the magnetic switch module is arranged on the shell of the control module and can switch according to the position of the magnetic attraction component of the control component; and
and the outer cover is arranged on the control module.
2. The pressure switch of claim 1, wherein a mounting hole is formed in a side of the housing of the control module to communicate with the regulation screw hole, and the set screw cap is fitted into and embedded in the regulation screw hole of the housing from the mounting hole.
3. The pressure switch of claim 1, wherein the magnetic attraction assembly has a first magnetic pole and a second magnetic pole, the first magnetic pole of the magnetic attraction assembly faces the magnetic switch module, and the second magnetic pole of the magnetic attraction assembly is located at the other side of the first magnetic pole opposite to the magnetic switch module.
4. The pressure switch of claim 2, wherein the magnetic attraction assembly has a first magnetic pole and a second magnetic pole, the first magnetic pole of the magnetic attraction assembly faces the magnetic switch module, and the second magnetic pole of the magnetic attraction assembly is located at the other side of the first magnetic pole opposite to the magnetic switch module.
5. The pressure switch according to any one of claims 1 to 4, wherein the housing of the control module forms a movable slot in communication with each other on opposite sides of the movable space, and the control assembly comprises a pushing member and a swing arm, the pushing member is linearly movably disposed in the movable space of the housing, opposite ends of the pushing member extend to form a support arm, one end of the swing arm is pivotally disposed on the housing, the magnetic attraction assembly is disposed at the other end of the swing arm, two control channels are formed at a middle section of the swing arm, and the support arm of the pushing member extends into the control channels of the swing arm through the movable slot of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322401881.5U CN220774225U (en) | 2023-09-05 | 2023-09-05 | Pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322401881.5U CN220774225U (en) | 2023-09-05 | 2023-09-05 | Pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774225U true CN220774225U (en) | 2024-04-12 |
Family
ID=90617674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322401881.5U Active CN220774225U (en) | 2023-09-05 | 2023-09-05 | Pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774225U (en) |
-
2023
- 2023-09-05 CN CN202322401881.5U patent/CN220774225U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |