CN203859061U - Pressure relay - Google Patents
Pressure relay Download PDFInfo
- Publication number
- CN203859061U CN203859061U CN201420306705.1U CN201420306705U CN203859061U CN 203859061 U CN203859061 U CN 203859061U CN 201420306705 U CN201420306705 U CN 201420306705U CN 203859061 U CN203859061 U CN 203859061U
- Authority
- CN
- China
- Prior art keywords
- pressure
- lower cover
- main body
- push rod
- 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.)
- Expired - Fee Related
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The utility model discloses a pressure relay which comprises a main body, a lower cover, a pressure regulation knob, a support, an ejector rod, a film piece and an electrical plug, wherein the main body is fixedly connected with the lower cover through a bolt; the film piece is fixedly arranged between the main body and the lower cover; the ejector rod is in contact with and arranged on the film piece, and is arranged inside the main body in a sleeving manner; the top end of the ejector rod is connected with the support through threads; a connecting rod and a spring are arranged on the support in a sleeving manner in sequence; the upper end of the spring is arranged inside the pressure regulation knob in a sleeving manner; the pressure regulation knob is connected onto the main body through threads; two micro-switches are arranged on the inner wall of the main body, and are connected with the electrical plug; the electrical plug is fixedly connected onto the main body. According to the pressure relay, the support and the ejector rod are in split type threaded connection, so that the control on the triggering stroke of the pressure relay can be realized; the triggering pressure can be conveniently adjusted through the pressure regulation knob, and the use conditions of various working conditions can be met; the pressure relay further has the characteristics of simple structure, excellent sealing property, and high sensitivity.
Description
Technical field
The utility model relates to a kind of relay, is specifically related to a kind of pressure switch.
Background technology
Pressure switch is to utilize the pressure of liquid to open and close the hydraulic pressure electric conversion element of electrical contact.In the time that system pressure reaches the setting of pressure switch, send the signal of telecommunication, make electric component action, play the effect of automatic control and safeguard protection.
The pressure switch of prior art often volume is large, and structure is comparatively complicated, and the process of its pressure regulation bothers relatively.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of simple in structure, the large and pressure regulation pressure switch easily of pressure adjustable range.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of pressure switch, comprises body, lower cover, pressure adjustment knob, bearing, push rod, diaphragm and electric connector; Described body and lower cover are bolted to connection, and cover under described to offer to take over aperture, and described diaphragm is fixedly installed between body and lower cover; Above diaphragm, contact is provided with push rod, and described top stem casing is located at body interior, and top and the bearing of described push rod are threaded connection; On described bearing, be arranged with successively connecting rod and spring, the upper end of described spring is set in pressure adjustment knob; Described pressure adjustment knob is threaded connection on body; On the inwall of described body, be provided with two sensitive switches, described sensitive switch is connected with electric connector, and described electric connector is fixedly connected on body.
Wherein, the contact-making surface of described body and lower cover adopts stepped construction.
Wherein, the contact jaw of described push rod and diaphragm is provided with disk.
Wherein, the two ends of described connecting rod are provided with wedge.
Wherein, in described pressure adjustment knob, be provided with anti-slip tank.
Wherein, between described pressure adjustment knob and body, be provided with dust cap.
(3) beneficial effect
Compared with prior art, the utility model pressure switch adopts bearing to be threaded with push rod is split type, realize the control that pressure switch is triggered to stroke, can regulate easily the size that triggers pressure by pressure adjustment knob, meet the service condition of various working; In addition, the utility model also has the features such as simple in structure, good airproof performance, sensitivity height.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of pressure switch of the utility model.
Fig. 2 is that a kind of pressure switch of the utility model triggers view.
Fig. 3 is the partial enlarged drawing of a kind of pressure switch A of the utility model portion.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
The structure of a kind of pressure switch of the utility model as Figure 1-3, comprises body 5, lower cover 1, pressure adjustment knob 9, bearing 7, push rod 4, diaphragm 2 and electric connector 12; Described body 5 is bolted to connection with lower cover 1, offers and take over aperture 102 on described lower cover 1, and described diaphragm 2 is fixedly installed between body 5 and lower cover 1; Diaphragm 2 above contact is provided with push rod 4, and described push rod 4 is set in body 1 inside, and the top of described push rod 4 and bearing 7 are threaded connection; On described bearing 7, be arranged with successively connecting rod 8 and spring 9, the upper end of described spring 9 is set in pressure adjustment knob 10; Described pressure adjustment knob 10 is threaded connection on body 5; On the inwall of described body 5, be provided with two sensitive switches 6, described sensitive switch 6 is connected with electric connector 12, and described electric connector 12 is fixedly connected on body 5.
Preferably, described body 5 adopts stepped construction with the contact-making surface of lower cover 1, and described diaphragm 2 is arranged between body 5 and lower cover 1, and therefore diaphragm 2 bends at ladder place, not only strengthen the bonding strength of diaphragm 2 between body 5 and lower cover 1, and improved the sealing property of relay.
Preferably, described push rod 4 is provided with disk 401 with the contact jaw of diaphragm 2, the diameter of described disk 401 is greater than the diameter of push rod 4, reduce the pressure between push rod 4 and diaphragm 2, prevent from damaging diaphragm 2 because the local pressure of push rod 4 and diaphragm 2 contact-making surfaces is excessive, the safety in utilization that has improved pressure switch has extended useful life.
Preferably; the two ends of described connecting rod 8 are provided with wedge 801, and described wedge 801 can play the effect of buffering in the time that connecting rod 8 contacts sensitive switch 6, and described wedge 801 can reduce the impulsive force to sensitive switch 6 greatly; thereby protect sensitive switch 6, extended the bulk life time of relay.
Preferably, in described pressure adjustment knob 10, be provided with anti-slip tank 103, described anti-slip tank 103 can increase the frictional force between hand and pressure adjustment knob 10 in rotational pressure adjusting knob 10, uses more convenient.
Preferably, between described pressure adjustment knob 10 and body 5, be provided with dust cap 11, described dust cap 11 can prevent that dust and other impurities from entering in body 5, causes that body 5 and pressure adjustment knob 10 are worn and torn, the problem such as stuck.
The use principle of the utility model pressure switch is as follows: in the time that system pressure arrives the set pressure of pressure switch, diaphragm 2 raises up under the effect of pressure, promoting push rod 4 moves upward, the elastic force that connecting rod 8 overcomes spring 9 moves upward, trigger sensitive switch 6 simultaneously, thereby externally send switching signal.In the time that system pressure reduces, the elastic force of spring 9 is greater than upwarding pressure that diaphragm 2 is subject to, and connecting rod 8 moves downward under the effect of spring 9, causes sensitive switch 6 to switch, thereby externally sends switching signal.
Need to change the set pressure of pressure switch time, only need to screw pressure adjustment knob 10 along pointer, spring 9 is further compressed, now push rod is subject to downward active force increase, only has corresponding increase system pressure, make it be greater than the downward active force of spring 9 to diaphragm 2 active force upwards and could trigger sensitive switch, realize the object that improves set pressure.In the time that needs are turned down set pressure, vice versa.
In the time need to changing the triggering stroke of pressure switch, by rotary support 7, make in its precession push rod 4, now connecting rod 8 moves down with respect to the position of sensitive switch 6, has increased the triggering stroke of pressure switch.If reduce the triggering stroke of pressure switch, vice versa.
The utility model pressure switch adopts bearing 7 to be threaded with push rod 4 is split type, realizes the control that pressure switch is triggered to stroke, can regulate easily the size that triggers pressure by pressure adjustment knob 10, meets the service condition of various working; In addition, the utility model also has the features such as simple in structure, good airproof performance, sensitivity height.
These are only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. a pressure switch, is characterized in that: comprise body (5), lower cover (1), pressure adjustment knob (9), bearing (7), push rod (4), diaphragm (2) and electric connector (12); Described body (5) is bolted to connection with lower cover (1), on described lower cover (1), offer and take over aperture (102), described diaphragm (2) is fixedly installed between body (5) and lower cover (1); Diaphragm (2) contacts above and is provided with push rod (4), and described push rod (4) is set in body (1) inside, and the top of described push rod (4) and bearing (7) are threaded connection; On described bearing (7), be arranged with successively connecting rod (8) and spring (9), the upper end of described spring (9) is set in pressure adjustment knob (10); Described pressure adjustment knob (10) is threaded connection on body (5); On the inwall of described body (5), be provided with two sensitive switches (6), described sensitive switch (6) is connected with electric connector (12), and described electric connector (12) is fixedly connected on body 5.
2. a kind of pressure switch according to claim 1, is characterized in that: described body (5) adopts stepped construction with the contact-making surface of lower cover (1).
3. a kind of pressure switch according to claim 1, is characterized in that: described push rod (4) is provided with disk (401) with the contact jaw of diaphragm (2).
4. a kind of pressure switch according to claim 1, is characterized in that: the two ends of described connecting rod (8) are provided with wedge (801).
5. a kind of pressure switch according to claim 1, is characterized in that: in described pressure adjustment knob (10), be provided with anti-slip tank (103).
6. according to a kind of pressure switch described in claim 1 to 5 any one, it is characterized in that: between described pressure adjustment knob (10) and body (5), be provided with dust cap (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306705.1U CN203859061U (en) | 2014-06-10 | 2014-06-10 | Pressure relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306705.1U CN203859061U (en) | 2014-06-10 | 2014-06-10 | Pressure relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859061U true CN203859061U (en) | 2014-10-01 |
Family
ID=51608903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306705.1U Expired - Fee Related CN203859061U (en) | 2014-06-10 | 2014-06-10 | Pressure relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109643621A (en) * | 2016-08-25 | 2019-04-16 | 浙江沁园水处理科技有限公司 | Voltage regulating type high voltage switch and the water purifier using the high-voltage switch gear |
| CN111755282A (en) * | 2020-07-03 | 2020-10-09 | 南京苏谷电气技术有限公司 | Pressure relay |
-
2014
- 2014-06-10 CN CN201420306705.1U patent/CN203859061U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109643621A (en) * | 2016-08-25 | 2019-04-16 | 浙江沁园水处理科技有限公司 | Voltage regulating type high voltage switch and the water purifier using the high-voltage switch gear |
| CN109643621B (en) * | 2016-08-25 | 2020-04-07 | 浙江沁园水处理科技有限公司 | Pressure regulating type high-voltage switch and water purifier using same |
| CN111755282A (en) * | 2020-07-03 | 2020-10-09 | 南京苏谷电气技术有限公司 | Pressure relay |
| CN111755282B (en) * | 2020-07-03 | 2022-09-20 | 济宁市明航工矿设备有限公司 | Pressure relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |