CN201373170Y - Temperature control valve - Google Patents
Temperature control valve Download PDFInfo
- Publication number
- CN201373170Y CN201373170Y CN200920116279U CN200920116279U CN201373170Y CN 201373170 Y CN201373170 Y CN 201373170Y CN 200920116279 U CN200920116279 U CN 200920116279U CN 200920116279 U CN200920116279 U CN 200920116279U CN 201373170 Y CN201373170 Y CN 201373170Y
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- CN
- China
- Prior art keywords
- temperature control
- sensitive wax
- valve
- heat sensitive
- control valve
- 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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- Temperature-Responsive Valves (AREA)
Abstract
The utility model provides a temperature control valve, which belongs to the technical field of valves. The temperature control valve solves the problem that a current temperature control valve inside a high pressure washer is incapable of preserving water temperature within a certain range. The temperature control valve comprises a tubular valve body, one end of the valve body is provided with an water inlet hole while the other end is provided with a top cover of a water outlet hole, a valve core, a pushing rod and a spring are arranged inside the valve body, and two ends of the spring are respectively abutted on the valve core and the valve body. The temperature control valve is characterized in that the valve core comprises a cylinder shaped casing and a thermo-sensitive wax positioned inside the casing and one end of the pushing rod penetrates into the casing and abuts to the thermo-sensitive wax while the other end is abutted on the top cover. By adopting the expansion and contraction property of the thermo-sensitive wax, the temperature control valve controls opening and closing of the valve core. The temperature control valve has the advantages of being simple in structure, sensitive in water temperature control and the like.
Description
Technical field
The utility model belongs to valve technology field, particularly relates to a kind of thermostat valve.
Background technique
At present, water pump in the jetting machine, the motor feels hot because during work, producing a large amount of heat energy in the pump housing in the jetting machine raises water temperature, if adopt the thermostat valve of electromagnetic type or bimetallic strip that motor is stopped, motor is quit work, to be cooled to the rated temperature again row start, the frequent machine of stopping is so that damage motor easily.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of open and close of characteristic realization spool of expanding with heat and contract with cold according to heat sensitive wax, thereby has realized control water temperature, makes the thermostat valve of motor continuous operation.
The purpose of this utility model can realize by following technical proposal: a kind of thermostat valve, comprise valve body in a tubular form, the one end is the water inlet, the other end is provided with the top cover with osculum, is provided with spool, push rod, spring in the valve body, and the two ends of spring are resisted against respectively on spool and the valve body, it is characterized in that, described spool comprises tubular housing and the heat sensitive wax that is positioned at housing, and an end of described push rod penetrates housing and heat sensitive wax leans, and the other end is resisted against on the top cover.
Heat sensitive wax in this thermostat valve can raise or reduce and expand or dwindle with water temperature, when water temperature rises, heat sensitive wax expands gradually, will push the push rod that penetrates housing open, and push rod maintains static and can not be compressed, so spool just self is done reversing motion and pressure spring, when water temperature rose to 70 ± 5 ℃, heat sensitive wax expanded, after the spool reversing motion is a certain amount of, spool just breaks away from sealing surface, and this moment, this thermostat valve was in opening state.Hot water in the pump is discharged from the water outlet of thermostat valve, and cold water is from entering in the pump, after hot and cold water mixes, water temperature descends, when water temperature was reduced to 45 ± 5 ℃, heat sensitive wax shrank and forms sealing from new with sealing surface at the effect lower valve core of spring, and this thermostat valve is in closed condition at this moment.Directly control the water temperature of high-pressure water pump by thermostat valve, thereby realize motor continuous operation, the phenomenon of also having avoided motor to burn owing to high temperature.
In the filter core of above-mentioned thermostat valve, the inwall in described valve inleting water hole has recessed shoulder, and an end of described spring is resisted against on the recessed shoulder, and the other end is resisted against on the spool housing.
In the filter core of above-mentioned thermostat valve, the port of described housing is fixed with gland, has pilot hole on the gland, and push rod passes pilot hole and heat sensitive wax leans.
In the filter core of above-mentioned thermostat valve, be provided with diaphragm between described gland and the heat sensitive wax.
In the filter core of above-mentioned thermostat valve, the one side of described diaphragm has convex body and embeds in the heat sensitive wax, and another side has groove, and above-mentioned push rod is resisted against in the groove.Convex body has increased the area of contact between diaphragm and the heat sensitive wax, can more effectively sense the expansion and the contraction of heat sensitive wax; Groove make push rod against more little firmly, can not occur sliding yet.
In the filter core of above-mentioned thermostat valve, have annular groove on the described gland outer wall, on annular groove, be provided with seal ring.Seal ring is set effectively improves sealing between spool and the sealing surface, simultaneously,, also avoided the heat sensitive wax microdilatancy just to make spool break away from sealing surface because seal ring has certain elasticity.
In the filter core of above-mentioned thermostat valve, the inner port of described top cover osculum is a conical surface, and when being in closed condition, seal ring and conical surface lean.Conical surface can make it contact with seal ring and improve sealing easilier.
Compared with prior art, this thermostat valve has advantages such as simple in structure, control water temperature temperature sensitive.
Description of drawings
Fig. 1 is the sectional structure schematic representation of this thermostat valve.
Among the figure, 1, valve body; 1a, water inlet; 1b, recessed shoulder; 2, spring; 3, spool; 31, housing; 32, diaphragm; 32a, convex body; 33, gland; 34, heat sensitive wax; 35, seal ring; 4, push rod; 5, top cover; 51, osculum; 6, O RunddichtringO.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this thermostat valve comprises valve body 1, top cover 5, spool 3, push rod 4, spring 2.
Specifically, valve body 1 in a tubular form, has the outside thread that is used to connect on the outer wall of one end, the inner chamber of this end is water inlet 1a, have annular recessed shoulder on the inwall of the other end, top cover 5 is arranged on the annular recessed shoulder, and the sidewall of the recessed shoulder of this annular is extruded inward, make its crooked and formation retaining edge, thereby top cover 5 is fixed on the annular recessed shoulder.Be provided with O RunddichtringO 6 in order to improve sealability between top cover 5 and valve body 1, have the osculum 51 with valve body 1 intracavity inter-connection on the top cover 5, the external port of osculum 51 is positioned at outside the valve body 1, and its inner port is positioned at valve body 1 and is conical surface.
The inwall of valve body 1 water inlet 1a has recessed shoulder 1b, one end of above-mentioned spring 2 is resisted against on the recessed shoulder 1b, the other end is resisted against on the housing 31 of spool 3, effect lower seal 35 at spring 2 forms sealing with osculum 51 inner port, and osculum 51 inner port are that conical surface can make it contact with seal ring 35 and improve sealing easilier.Also have pilot hole on the above-mentioned gland 33, an end of push rod 4 is resisted against on the top cover 5, and the other end passes pilot hole, penetrates the groove on the diaphragm 32 and is resisted against on the groove.
This thermostat valve is arranged on the jetting machine, the heating because the motor of water pump is worked always, water temperature raises gradually, heat sensitive wax 34 expands gradually, when water temperature reaches 70 ± 5 ℃, because heat sensitive wax is filled the inner chamber of expiring the spool housing, heat sensitive wax 34 expands and the convex body 32a that embeds the diaphragm 32 in the heat sensitive wax 34 outwards must be squeezed gradually, pushes away in these push rod 4 outside squeezing that also will penetrate simultaneously in diaphragm 32 grooves.Because push rod 4 maintains static and can't be compressed, the pressure spring 2 simultaneously so spool 3 just can only self move in the other direction, at this moment, seal ring 35 on the gland 33 detaches the inner port in water hole 51, hot water in the jetting machine just can be discharged from osculum 51, simultaneously, cold water enters in the jetting machine and mixes with hot water.When being water-cooled to 45 ± 5 ℃, heat sensitive wax 34 shrinks gradually, and spool 3 is under the effect of spring 2, and the seal ring 35 on the gland 33 forms sealing with the inner port of osculum 51 again.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used valve body 1 morely; The recessed shoulder of water inlet 1a 1b; Spring 2; Spool 3; Housing 31; Diaphragm 32; Convex body 32a; Gland 33; Heat sensitive wax 34; Seal ring 35; Push rod 4; Top cover 5; Osculum 51; O RunddichtringO 6 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1, a kind of thermostat valve, comprise valve body (1) in a tubular form, the one end is water inlet (1a), the other end is provided with the have osculum top cover (5) of (51), be provided with spool (3), push rod (34), spring (2) in the valve body (1), the two ends of spring (2) are resisted against respectively on spool (3) and the valve body (1), it is characterized in that, described spool (3) comprises tubular housing (31) and is positioned at the heat sensitive wax (34) of housing (31), one end of described push rod (34) penetrates housing (31) and leans with heat sensitive wax (34), and the other end is resisted against on the top cover (5).
2, thermostat valve according to claim 1 is characterized in that, the inwall of described valve body (1) water inlet (1a) has recessed shoulder, and an end of described spring (2) is resisted against on the recessed shoulder, and the other end is resisted against on spool (3) housing (31).
3, thermostat valve according to claim 1 and 2 is characterized in that, the port of described housing (31) is fixed with gland (33), and gland has pilot hole on (33), and push rod (34) passes pilot hole and heat sensitive wax (34) leans.
4, thermostat valve according to claim 3 is characterized in that, is provided with diaphragm (32) between described gland (33) and the heat sensitive wax (34).
5, thermostat valve according to claim 4 is characterized in that, the one side of described diaphragm (32) has convex body (32a) and embeds in the heat sensitive wax (34), and another side has groove, and above-mentioned push rod (34) is resisted against in the groove.
6, thermostat valve according to claim 3 is characterized in that, has annular groove on described gland (33) outer wall, is provided with seal ring (35) on annular groove.
7, thermostat valve according to claim 1 is characterized in that, the inner port of described top cover (5) osculum (51) is a conical surface, and when being in closed condition, seal ring (35) leans with conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920116279U CN201373170Y (en) | 2009-03-23 | 2009-03-23 | Temperature control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920116279U CN201373170Y (en) | 2009-03-23 | 2009-03-23 | Temperature control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373170Y true CN201373170Y (en) | 2009-12-30 |
Family
ID=41499252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920116279U Expired - Fee Related CN201373170Y (en) | 2009-03-23 | 2009-03-23 | Temperature control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373170Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988449A (en) * | 2010-05-20 | 2011-03-23 | 陈绍英 | Constant temperature flow type separator |
| CN103939663A (en) * | 2014-05-05 | 2014-07-23 | 南京工业大学 | Wax type temperature sensing bulb |
| CN106439180A (en) * | 2016-11-08 | 2017-02-22 | 吴小艇 | Elastic propping device for temperature control valve |
| CN107387223A (en) * | 2017-09-19 | 2017-11-24 | 吉林大学 | Planetary gear type pump motor shaft connector |
| WO2021068475A1 (en) * | 2019-10-09 | 2021-04-15 | 珠海市舒丽玛温控卫浴设备有限公司 | Thermosensitive element |
-
2009
- 2009-03-23 CN CN200920116279U patent/CN201373170Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988449A (en) * | 2010-05-20 | 2011-03-23 | 陈绍英 | Constant temperature flow type separator |
| CN101988449B (en) * | 2010-05-20 | 2012-08-29 | 陈绍英 | Constant temperature flow type separator |
| CN103939663A (en) * | 2014-05-05 | 2014-07-23 | 南京工业大学 | Wax type temperature sensing bulb |
| CN106439180A (en) * | 2016-11-08 | 2017-02-22 | 吴小艇 | Elastic propping device for temperature control valve |
| CN107387223A (en) * | 2017-09-19 | 2017-11-24 | 吉林大学 | Planetary gear type pump motor shaft connector |
| WO2021068475A1 (en) * | 2019-10-09 | 2021-04-15 | 珠海市舒丽玛温控卫浴设备有限公司 | Thermosensitive element |
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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: 20091230 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |