CN202756694U - Constant-temperature steam heat valve capable of returning water automatically - Google Patents
Constant-temperature steam heat valve capable of returning water automatically Download PDFInfo
- Publication number
- CN202756694U CN202756694U CN 201220393131 CN201220393131U CN202756694U CN 202756694 U CN202756694 U CN 202756694U CN 201220393131 CN201220393131 CN 201220393131 CN 201220393131 U CN201220393131 U CN 201220393131U CN 202756694 U CN202756694 U CN 202756694U
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- valve
- returning
- valve body
- water
- valve rod
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Abstract
The utility model relates to a steam heat valve, and provides a constant-temperature steam heat valve capable of returning water automatically which can adjust indoor temperature automatically and keep the indoor temperature to be constant. The constant-temperature steam heat valve capable of returning water automatically comprises a valve body, a valve cover, a valve core assembly and a flow controller, wherein the valve cover is arranged on the valve body. A valve seat is arranged in the valve body and located at a connecting position between a water inlet pipe and a water outlet pipe, a water returning pipe body is arranged at one end of the water inlet pipe in the valve body in integral forming mode, the water returning pipe body is provided with a water returning opening and a water outlet, and the flow controller is arranged on the water returning pipe body of the valve body. The valve core assembly comprises a press cap, a valve rod, a sealing seat capable of being opened and closed, and a return spring, wherein the press cap is arranged above the valve cover, the sealing seat is arranged on a valve cavity of the valve seat and capable of being opened and closed, one end of the valve rod penetrates through the press cap and the valve cap and is connected with the sealing seat, the return spring is arranged on the circumferential outer side wall of the valve rod in a containing cavity, located below the press cap, of the valve cover, and an open clamping ring used for controlling the return spring to stretch and retract is arranged above the free end, close to the press cap, of the valve rod. An automatic constant-temperature controller used for controlling the valve rod to move up and down is arranged at the free end of the valve rod.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates in particular to a kind of automatic water-returning thermostatic radiator valve.
Background technique
Central heating valve is the main regulating equipment of heating system Flow-rate adjustment, and heating system is by the hot water flow in the thermostat valve control radiator, to reach the purpose of control room temperature height.
Such as Fig. 1, traditional central heating valve comprises valve body 1', valve gap 2', Open-close sealing seat 3', valve rod 4' and temperature control adjusting handle 5', described valve gap 2' is located at valve body 1' top, described valve body 1' has a water intake 11' and water outlet 12', the adjacent place of friendship of described valve body 1' middle part water intake 11' and water outlet 12' is provided with valve seat 13', described valve seat 13' is provided with the valve pocket that connects intake-outlet, but on the valve pocket of being located at described valve seat 13' of described Open-close sealing seat 3' folding, the end of described valve rod 4' passes valve gap 2' and Open-close sealing seat 3' is flexibly connected, described temperature control adjusting handle 5' is located on the free end of valve rod 4', during work, rotate to control aperture between Open-close sealing seat and the valve seat by manual rotation temperature control adjusting handle band ovable valve stem, reach the purpose of control room temperature height with the size of adjust flux, above-mentioned thermostat valve utilizes the size of valve opening to regulate the high end of temperature, the size of its flow is by regulating manually control, can not automatically regulate according to the temperature in the heating installation room size of hot water flow, operation is trouble, temperature control inaccuracy, can't guarantee the equilibrium of room temperature, energy-conservation not, very inconvenient during use.
The model utility content
For the problem of above-mentioned existence, the utility model provide a kind of reasonable in design, easy to use, can automatically regulate room temperature and make room temperature keep the automatic water-returning thermostatic radiator valve of constant temperature.
For solving this technical problem, the utility model is taked following scheme: a kind of automatic water-returning thermostatic radiator valve, comprise valve body, be located at the valve gap of valve body top and be located at the mangetic core assembly of valve body internal control water heating uninterrupted, described valve body vertically part is provided with intake pipe and outlet pipe, the adjacent place of friendship that is positioned at intake pipe and outlet pipe in the described valve body is provided with valve seat, described valve seat is provided with the valve pocket that connects intake-outlet, also comprise flow dontroller, the end that described valve body is positioned at intake pipe is an one-body molded backwater body also, described backwater body has backwater mouth and water outlet, described flow dontroller is located between the backwater mouth and water outlet of backwater body of valve body, described mangetic core assembly comprises pressure cap, valve rod, Open-close sealing seat and Returnning spring, described valve gap top has cavity volume, described pressure cap is located at the valve gap top, but on the valve pocket of being located at described valve seat of described Open-close sealing seat folding, one end of described valve rod passes pressure cap and valve gap links to each other with the Open-close sealing seat, described Returnning spring is located on the periphery wall of the described valve rod of cavity volume that valve gap is positioned at pressure cap below, described valve rod is positioned at Returnning spring and is provided with the flexible slotted collar of control Returnning spring near that free-ended top of pressure cap, also is provided with on the free end of described valve rod and controls on it, the automatic constant temp. controller of lower motion.
Further improvedly be: described automatic constant temp. controller comprises connecting base, the temperature regulation handwheel, the in-built depression bar that the temperature sensing device of temperature sensing medium is arranged and be subjected to temperature sensing device control, one end of described connecting base is by the removable valve body top of being located at of loose joint nut, described temperature regulation handwheel sleeve is located at the connecting base top and is threaded with connecting base, described temperature sensing device is located at top in the temperature regulation handwheel, one end of described depression bar and temperature sensing device are flexibly connected, the other end is located in the connecting base, described depression bar be positioned at connecting base that on end, be installed with shoulder block, be provided with positioning apparatus for circumferential direction between described shoulder block and the connecting base, also hang on the described shoulder block and be connected to gland, be provided with the temperature control spring in the described gland, one end of described temperature control spring resists the lower end in shoulder block, described gland is installed with the top fuse away from that end of shoulder block, described top fuse is conflicted with the free end of valve rod and is connected, described connecting base is provided with the spring mounting groove near the inboard of that end of valve body, be provided with spring in the described spring mounting groove, an end of described spring resists the lower end in shoulder block.
Further improvedly be: described positioning apparatus for circumferential direction is to be evenly equipped with draw-in groove in the outside of shoulder block, is evenly equipped with the projection positive stop strip corresponding with each draw-in groove of shoulder block in the inboard of connecting base.
Further improvedly be: described temperature regulation handwheel is marked with aperture numerical value near that free-ended periphery of valve body, the described connecting base periphery wall corresponding with aperture numerical value is provided with the indication snap ring, and the periphery of described pointer cover is provided with the aperture pointer.
Further improvedly be: the lower O RunddichtringO that is provided with at least more than one between described valve rod and the valve gap.
Further improvedly be: the top that described valve rod is positioned at lower O RunddichtringO also is arranged with copper backing, and the diameter of described copper backing is greater than the diameter of lower O RunddichtringO, and the other end of described Returnning spring resists in the copper backing top.
Further improvedly be: be provided with one or more upper O RunddichtringO between described pressure cap and the valve gap.
Further improvedly be: also be provided with sleeve between described valve gap and the pressure cap, described jacket casing is located on the valve rod, and an end of described sleeve is positioned at the below of O type circle, and the other end is positioned at the top of copper backing.
Further improvedly be: the free end of described valve body outlet pipe is connected with connecting tube by attachment cap, and the free end of described connecting tube is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing between described attachment cap and the connecting tube.
Further improvedly be: that free end that described valve body return pipe is positioned at backwater mouth is connected with connecting tube by attachment cap, the free end of described connecting tube is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing between described attachment cap and the connecting tube.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: this novel constant-temperature central heating valve is comprised of valve body and automatic constant temp. controller two parts, utilize the interior temperature sensing device of radiator valve to control the aperture of Open-close sealing seat, radiator valve can be screwed into the temperature of required setting during use, when room temperature surpasses the temperature of setting, temperature sensing device in the radiator valve is because of expanded by heating, compression valve rod turns down valve, reduce the flow of inlet water of radiator, make room temperature reach the temperature of setting, when room temperature is lower than the temperature of setting, temperature sensing device shrinks because of cooling, valve rod rebounds valve is opened greatly, increase the radiator flow of inlet water, until room temperature reaches setting value, temperature sensing device can be very sensitive the minor variations of perception room temperature, thereby flow automatic regulation is big or small, reach comfortable temperature range, and this novel constant-temperature central heating valve is provided with the backwater body, the backwater body links to each other with loose pad device, to finish the hot water that becomes cold water after the heat exchange and discharge central heating valve from the backwater body in radiator, the flow dontroller that is located on the backwater body can be controlled the size of water flow, thereby further strengthens the temperature control regulating action.
Description of drawings
Fig. 1 is prior art thermostat valve structural representation;
Fig. 2 is the utility model embodiment's structural representation;
Fig. 3 is the utility model embodiment temperature sensing device stereochemical structure explosive view.
Embodiment
Now with specific embodiment the utility model is further specified by reference to the accompanying drawings.
With reference to figure 2 and Fig. 3, the utility model embodiment discloses a kind of automatic constant-temperature thermostat valve, comprise valve body 1, valve gap 2, pressure cap 3, Open-close sealing seat 4, valve rod 5, and automatic constant temp. controller, described valve gap 2 is located at valve body 1 top, described valve gap 2 tops have cavity volume 21, the bottom has lower shaft hole 22, cavity volume 21 is communicated with axis hole 22, described pressure cap 3 is located at valve gap 2 tops, described pressure cap 3 tops have upper shaft hole 31, described valve body 1 vertically part is provided with intake pipe 11 and outlet pipe 12, the end that described valve body 1 is positioned at intake pipe 11 is an one-body molded backwater body 14 also, described backwater body 14 has backwater mouth 141 and water outlet 142, be provided with flow dontroller 15 between the backwater mouth of the backwater body of described valve body and the water outlet, be positioned at intake pipe 11 in the described valve body 1 and be provided with valve seat 13 with the adjacent place of the friendship of water outlet 12, described valve seat 13 is provided with the valve pocket that connects intake-outlet, but on the valve pocket of being located at described valve seat 13 of described Open-close sealing seat 4 foldings, the setting seat of described keying is-20 ℃ to 200 ℃ and ageing-resistant by Applicable temperature, corrosion resistant rubber product is made, the upper shaft hole 31 that one end of described valve rod 5 passes pressure cap 3 and the lower shaft hole 22 of valve gap 2 link to each other with Open-close sealing seat 4 in the valve body 1, also be provided with metallic shim 41 between described valve gap 2 and the Open-close sealing seat 4, when closure is dammed, micro-deformation can occur compensating action is played in sealing in sealing seat under the effect of pretightening force, thereby the Open-close sealing seat is tightly fitted on the valve seat of valve body, make the Open-close sealing seat can be fully and the valve base sealing of valve body, line fluid is ended fully, good sealing effect, really reach the effect without water clock, the periphery that described valve gap 2 is positioned at the described valve rod 5 of cavity volume of pressure cap 3 belows is provided with Returnning spring 7, described valve rod 5 is positioned at Returnning spring 7 and is provided with the slotted collar 51 that control Returnning spring 7 stretches near pressure cap 3 those free-ended tops, described automatic constant temp. controller is located on the free end of valve rod 5, is used for the upper and lower displacement of control valve rod.
Such as Fig. 3, described automatic constant temp. controller comprises connecting base 61, temperature regulation handwheel 62, the in-built depression bar 64 that the temperature sensing device 63 of temperature sensing medium is arranged and be subjected to temperature sensing device control, one end of described connecting base 61 is by a loose joint nut 65 removable valve body 1 tops of being located at, described temperature regulation handwheel 62 is sheathed on connecting base 61 tops and is threaded with connecting base 61, described temperature sensing device 63 is located at temperature regulation handwheel 62 interior tops, one end of described depression bar 64 inserts on the attachment hole of temperature sensing device 63 belows, the other end is located in the connecting base 61, described depression bar 64 be positioned at connecting base 61 that on end, be installed with shoulder block 66, in order to prevent that shoulder block from rotating in connecting base, be provided with positioning apparatus for circumferential direction between described shoulder block 66 and the connecting base 61, described positioning apparatus for circumferential direction is to be evenly equipped with draw-in groove 661 in the outside of shoulder block 66, be evenly equipped with the projection positive stop strip 611 corresponding with each draw-in groove of shoulder block in the inboard of connecting base 61, also hang on the described shoulder block and be connected to gland 67, be provided with temperature control spring 68 in the described gland 67, one end of described temperature control spring 68 resists in the lower end of shoulder block 66, that end away from shoulder block 66 of described gland 67 is installed with top fuse 671, described top fuse 671 is conflicted with the free end of valve rod 5 and is connected, described connecting base 61 is provided with spring mounting groove 612 near the inboard of valve body 1 that end, be provided with spring 613 in the described spring mounting groove 612, one end of described spring 613 resists in the lower end of shoulder block 66, described temperature regulation handwheel 62 is marked with aperture numerical value 621 near valve body 1 that free-ended periphery, described connecting base 61 and aperture numerical value 621 corresponding periphery walls are provided with indication snap ring 69, and the periphery of described pointer snap ring 69 is provided with aperture pointer 691.
During work, utilize heat responsive element in the automatic constant temp. controller to come the aperture of control valve body elastic seal seat, when room temperature raises, the heat responsive element of automatic constant temp. controller is because of expanded by heating, depression bar is subject to downward pressure and moves, overcome temperature control spring pressure and the top fuse compression valve rod by temperature control spring commander gland below and make that the aperture of open-shut device reduces in the valve body, reduce flow of inlet water, when room temperature descended, heat responsive element shrank because of cooling, the aperture increase that valve rod rebounds and makes open-shut device, increase flow of inlet water, utilize the size of heat responsive element perception room temperature minor variations flow automatic regulation, reach comfortable temperature range, to reduce the loss of the energy.
Be provided with O RunddichtringO 81 between described pressure cap 3 and the valve gap 2; between the valve rod 5 of lower shaft hole 22 upper ends and valve gap 2, be provided with two lower O RunddichtringOs 82; two lower O RunddichtringOs 82 play the effect of double seal protection; has good sealability; prevent that further valve from leaking; further strengthened the reliability of constant temperature control valve sealing, working life of having improved spool so that the movement that valve rod can be nimbly and freely when driving the upper and lower folding of elastic seal seat, without jam.
The top that described valve rod 5 is positioned at lower O RunddichtringO 82 also is arranged with copper backing 83, the other end of described Returnning spring 7 resists in copper backing 83 tops, the diameter of described copper backing 83 is greater than the diameter of lower O RunddichtringO 82, can make so smooth being arranged on bottom the valve gap of copper backing, and then the masterpiece that makes spring is used in the copper backing surface, can not oppress lower O RunddichtringO distortion.
Also be arranged with sleeve 84 on the valve rod 5 between described valve gap 2 and the pressure cap 3, one end of described sleeve 84 is positioned at the below of O type circle 81, the other end is positioned at the top of copper backing 83, and sleeve plays fixing upper and lower O RunddichtringO, prevents that valve rod from making the seal ring position movement in movement process.
Be connected with connecting tube 92 by attachment cap 91 on the described valve body 1 outlet pipe 12 axial free-ended periphery walls, the free end of described connecting tube 92 is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing 93 between described attachment cap 91 and the connecting tube 92.Install, change and during the maintenance thermostat valve, need not 360 degree and repeat rotating temperature controlled valve, only need tighten or unscrew attachment cap and connecting tube just can easily be finished installation or removal, be not subjected to the few restriction in wall gap, installation, maintenance is convenient, flexible, time saving and energy saving, brings convenience for production and workmen work.
That free end that described valve body 1 return pipe 14 is positioned at backwater mouth 141 is connected with connecting tube 17 by attachment cap 16, the free end of described connecting tube 17 is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing 18 between described attachment cap 16 and the connecting tube 17.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; this technological scheme method of specific implementation and approach are a lot; the above only is preferred implementation of the present utility model; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (10)
1. automatic water-returning thermostatic radiator valve, comprise valve body, be located at the valve gap of valve body top and be located at the mangetic core assembly of valve body internal control water heating uninterrupted, described valve body vertically part is provided with intake pipe and outlet pipe, the adjacent place of friendship that is positioned at intake pipe and outlet pipe in the described valve body is provided with valve seat, described valve seat is provided with the valve pocket that connects intake-outlet, it is characterized in that: also comprise flow dontroller, the end that described valve body is positioned at intake pipe is an one-body molded backwater body also, described backwater body has backwater mouth and water outlet, described flow dontroller is located between the backwater mouth and water outlet of backwater body of valve body, described mangetic core assembly comprises pressure cap, valve rod, Open-close sealing seat and Returnning spring, described valve gap top has cavity volume, described pressure cap is located at the valve gap top, but on the valve pocket of being located at described valve seat of described Open-close sealing seat folding, one end of described valve rod passes pressure cap and valve gap links to each other with the Open-close sealing seat, described Returnning spring is located on the periphery wall of the described valve rod of cavity volume that valve gap is positioned at pressure cap below, described valve rod is positioned at Returnning spring and is provided with the flexible slotted collar of control Returnning spring near that free-ended top of pressure cap, also is provided with on the free end of described valve rod and controls on it, the automatic constant temp. controller of lower motion.
2. automatic water-returning thermostatic radiator valve according to claim 1, it is characterized in that: described automatic constant temp. controller comprises connecting base, the temperature regulation handwheel, the in-built depression bar that the temperature sensing device of temperature sensing medium is arranged and be subjected to temperature sensing device control, one end of described connecting base is by the removable valve body top of being located at of loose joint nut, described temperature regulation handwheel sleeve is located at the connecting base top and is threaded with connecting base, described temperature sensing device is located at top in the temperature regulation handwheel, one end of described depression bar and temperature sensing device are flexibly connected, the other end is located in the connecting base, described depression bar be positioned at connecting base that on end, be installed with shoulder block, be provided with positioning apparatus for circumferential direction between described shoulder block and the connecting base, also hang on the described shoulder block and be connected to gland, be provided with the temperature control spring in the described gland, one end of described temperature control spring resists the lower end in shoulder block, described gland is installed with the top fuse away from that end of shoulder block, described top fuse is conflicted with the free end of valve rod and is connected, described connecting base is provided with the spring mounting groove near the inboard of that end of valve body, be provided with spring in the described spring mounting groove, an end of described spring resists the lower end in shoulder block.
3. automatic water-returning thermostatic radiator valve according to claim 2, it is characterized in that: described positioning apparatus for circumferential direction is to be evenly equipped with draw-in groove in the outside of shoulder block, is evenly equipped with the projection positive stop strip corresponding with each draw-in groove of shoulder block in the inboard of connecting base.
4. automatic water-returning thermostatic radiator valve according to claim 2, it is characterized in that: described temperature regulation handwheel is marked with aperture numerical value near that free-ended periphery of valve body, the described connecting base periphery wall corresponding with aperture numerical value is provided with the indication snap ring, and the periphery of described pointer cover is provided with the aperture pointer.
5. it is characterized in that: the lower O RunddichtringO that is provided with at least more than one between described valve rod and the valve gap according to claim 1 and 2 or 3 or 4 described automatic water-returning thermostatic radiator valves.
6. automatic water-returning thermostatic radiator valve according to claim 5, it is characterized in that: the top that described valve rod is positioned at lower O RunddichtringO also is arranged with copper backing, the diameter of described copper backing is greater than the diameter of lower O RunddichtringO, and the other end of described Returnning spring resists in the copper backing top.
7. automatic water-returning thermostatic radiator valve according to claim 6 is characterized in that: be provided with one or more upper O RunddichtringO between described pressure cap and the valve gap.
8. automatic water-returning thermostatic radiator valve according to claim 7, it is characterized in that: also be provided with sleeve between described valve gap and the pressure cap, described jacket casing is located on the valve rod, and an end of described sleeve is positioned at the below of O type circle, and the other end is positioned at the top of copper backing.
9. automatic water-returning thermostatic radiator valve according to claim 1, it is characterized in that: the free end of described valve body outlet pipe is connected with connecting tube by attachment cap, the free end of described connecting tube is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing between described attachment cap and the connecting tube.
10. automatic water-returning thermostatic radiator valve according to claim 1, it is characterized in that: that free end that described valve body return pipe is positioned at backwater mouth is connected with connecting tube by attachment cap, the free end of described connecting tube is provided with internal thread or the outside thread that is connected with pipeline, is provided with Sealing between described attachment cap and the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393131 CN202756694U (en) | 2012-08-09 | 2012-08-09 | Constant-temperature steam heat valve capable of returning water automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393131 CN202756694U (en) | 2012-08-09 | 2012-08-09 | Constant-temperature steam heat valve capable of returning water automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756694U true CN202756694U (en) | 2013-02-27 |
Family
ID=47735878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393131 Expired - Fee Related CN202756694U (en) | 2012-08-09 | 2012-08-09 | Constant-temperature steam heat valve capable of returning water automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756694U (en) |
-
2012
- 2012-08-09 CN CN 201220393131 patent/CN202756694U/en not_active Expired - Fee Related
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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: 20130227 Termination date: 20150809 |
|
| EXPY | Termination of patent right or utility model |