CN102135207B - Floor heating thermostatic valve - Google Patents
Floor heating thermostatic valve Download PDFInfo
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- CN102135207B CN102135207B CN 201110025066 CN201110025066A CN102135207B CN 102135207 B CN102135207 B CN 102135207B CN 201110025066 CN201110025066 CN 201110025066 CN 201110025066 A CN201110025066 A CN 201110025066A CN 102135207 B CN102135207 B CN 102135207B
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Abstract
The invention provides a floor heating thermostatic valve, which belongs to the technical field of engineering components, and solves the problem that the set temperature value cannot be adjusted along with the temperature increasing of water at a water inlet in the conventional thermostat valve. The floor heating thermostatic valve comprises a valve body with a sealing part; the inner cavity of the valve body is divided into a water inlet cavity and a water outlet cavity; a thermal bulb and a valve plug are arranged in the valve body; a thermal bulb body is positioned in the water inlet cavity; the thermal bulb is connected with the valve plug, when water temperature in the water inlet cavity is increased, the thermal bulb can drive the valve plug to move close to the sealing part; an elastic piece which ensures that an ejector rod of the thermal bulb can be contracted into the thermal bulb body when the water temperature in the water inlet cavity is reduced is arranged between the thermal bulb and the valve body; and an adjustment mechanism for adjusting the length of the ejector rod penetrating through the body is arranged between the side wall of the water outlet cavity of the valve body and the thermal bulb. The floor heating thermostatic valve has the advantages of high running safety performance, wider application range and accurate adjustment, can control the temperature accurately and sensitively, and is convenient to use.
Description
Technical field
The invention belongs to the engineering element technical field, relate to a kind of valve, particularly a kind of floor heating thermostatic valve.
Background technique
Floor heating is the abbreviation of floor panel heating, is take whole ground as radiator, and by the heating agent in the flooring radiation layer, the whole ground of homogeneous heating utilizes the make progress rule of radiation of the accumulation of heat on ground self and heat to conduct from the bottom to top, reaches the purpose of heating.The underground heat radiant heating is compared with the traditional heating mode, has comfortable, health, health care; Conserve space, beautify the room; Energy-efficient; Good thermal stability; Operating cost is low; The various features such as strong adaptability and long service life.This technology not only is widely used in all kinds of public buildings such as residential houses and hospital, market etc., also is widely used in the buildings such as field pitch, green house of vegetables.At present, Korea S, Japan and the developed country such as American-European surpass in 50% the novel building and have all adopted the underground heat radiant heating.
Ground radiation heating mainly is divided into hot-water heating and electric warm according to the difference of heat-supplying mode, and floor heating thermostatic valve is exactly one of parts important in the water ground heating system.It produces the self-powering type action by thermometer bulb induction water temperature, thereby need not the constant valve of hot water flow realization room temperature that exterior power can be regulated the radiator of flowing through.Its disclosed pertinent literature is such as the disclosed a kind of thermostat valve [China Patent No.: ZL200920116279.4 of Chinese patent literature; Notice of authorization number: CN201373170Y], 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, the two ends that are provided with spool, push rod, spring in the valve body are resisted against respectively on spool and the valve body, 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.This thermostat valve generally should in jetting machine, although can respond to water temperature and produce corresponding action, can't be applied in the water ground heating system.Its reason is, 1, this thermostat valve raises with the water inlet water temperature and opens, and the thermostatic valve in the water floor heating needs to cut out with the rising of water inlet water temperature; 2, this thermostat valve can't be adjusted set temperature value.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of induction water temperature and reduced gradually flow with the water temperature rising, reduce the floor heating thermostatic valve that improves gradually flow with water temperature.
Another object of the present invention is that people are regulated when this floor heating thermostatic valve is in cut-off state with respect to the water temperature in the valve inleting water chamber according to the truth situation.
Purpose of the present invention can realize by following technical proposal: a kind of floor heating thermostatic valve, comprise the valve body with sealed department, and the inner chamber of valve body is divided into water-inlet cavity and water chamber; Be provided with thermometer bulb and spool in the valve body; It is characterized in that the body of described thermometer bulb is positioned at water-inlet cavity, be connected with spool on the described thermometer bulb, thermometer bulb can be with movable valve plug to moving near the sealed department direction when the water temperature in the water-inlet cavity raises; Being provided with between described thermometer bulb and the valve body after the water temperature in the water-inlet cavity descends to make the thermometer bulb push rod be retracted to the intrinsic elastic component of thermometer bulb; Be provided with between the water chamber sidewall of described valve body and the thermometer bulb and can regulate the controlling mechanism that push rod penetrates length in the body.
When this floor heating thermostatic valve is arranged in the water ground heating system, thermometer bulb in this floor heating thermostatic valve has a set temperature value when leaning with respect to spool and sealed department, this set temperature value has water temperature in the valve inleting water chamber accordingly, is K ℃ so set this water temperature value.
When water temperature is lower than K ℃, have the gap between spool and the sealed department, the water in the water-inlet cavity flows into water chamber from above-mentioned gap, and this floor heating this moment thermostatic valve is in opening state.When water temperature raise gradually, the temperature sensing medium induction water temperature in the thermometer bulb also expanded gradually, promotes thermometer bulb body or push rod and moves, and the band movable valve plug is to moving near the sealed department direction; The gap that has between spool and the sealed department diminishes gradually, and the flow of this floor heating thermostatic valve also reduces gradually.When water temperature equaled K ℃, spool was resisted against on the sealed department and forms sealing, and then stoped water and then water chamber in the water-inlet cavity, and this floor heating this moment thermostatic valve is in cut-off state.
When water temperature was reduced to gradually and be lower than K ℃, spool promoted the push rod body and moves under the elastic force effect of elastic component, and then the band movable valve plug is to moving away from the sealed department direction.
Handle controlling mechanism and be adjusted at the length that K ℃ of state lower push rod passes body, namely adjust the interior water of valve water-inlet cavity and can make this floor heating thermostatic valve be in the temperature of cut-off state; And then can change the limiting temperature of heating environment.Thus, people can handle controlling mechanism according to above principle, reach the required temperature of people.
In above-mentioned floor heating thermostatic valve, described controlling mechanism comprises the top cover that is fixed on the valve body water chamber sidewall, is equipped with an end on the described top cover and penetrates the interior screw mandrel of valve body water chamber, and screw mandrel and top cover are threaded connection; One end of described screw mandrel can be connected with the outer end of push rod, and the other end of screw mandrel passes top cover and is connected with handwheel.
Rotate handwheel drive screw mandrel and circumferentially rotate, screw mandrel moves axially simultaneously, and then changes the spacing between screw mandrel end face and the thermometer bulb body.Water can make this floor heating thermostatic valve be in the temperature of cut-off state and the limiting temperature of heating environment all reduces in the pitch smaller even, valve water-inlet cavity, otherwise temperature raises.
In above-mentioned floor heating thermostatic valve, described spool is positioned at water chamber and described spool links to each other with the body of thermometer bulb, and the push rod exterior edge face of described thermometer bulb can lean with an end face of screw mandrel; Be arranged with spring one on the push rod outer end of described thermometer bulb, an end and the spool of spring one lean, and the other end is resisted against on screw mandrel or the push rod; Described elastic component is to be arranged on the body of thermometer bulb and the spring two between the water-inlet cavity internal face; One end of described spring two and the body of thermometer bulb lean, and the water-inlet cavity internal face of the other end and valve body leans.
In above-mentioned floor heating thermostatic valve, described controlling mechanism comprises the top cover that is fixed on the valve body water chamber sidewall, be equipped with lifting screw and lifting nut on the described top cover, described lifting nut and top cover are threaded connection, and an end of lifting nut penetrates in the valve body water chamber and can be connected with the outer end of push rod; Described lifting screw is axially fixed on the top cover, and an end of lifting screw passes top cover and is connected with handwheel; The other end of described lifting screw circumferentially is fixedly connected with the other end of described lifting nut.
The rotation handwheel drives lifting screw successively and lifting nut circumferentially rotates, and lifting nut moves axially simultaneously, and then changes the spacing between lifting nut end face and the thermometer bulb body.Water can make this floor heating thermostatic valve be in the temperature of cut-off state and the limiting temperature of heating environment all reduces in the pitch smaller even, valve water-inlet cavity, otherwise temperature raises.
In above-mentioned floor heating thermostatic valve, be provided with the O type circle that two parallel to an axiss arrange between described lifting screw and the top cover.Obviously, lifting screw only rotates with respect to top cover, also only has thus circumferential rotation between O type circle and the lifting screw, there is no to move axially, and can reduce the wear extent of O type circle within the unit time, improves sealing and the working life of valve.
In above-mentioned floor heating thermostatic valve, be provided with the sensing dish between described handwheel and the top cover, the sensing dish is fixed on the top cover, has pointer on the described sensing dish, has graduation line and identification character on the described handwheel.Can accurately reflect handwheel with respect to the position of top cover by pointer, graduation line and identification character when rotating handwheel, can reflect the spacing between lifting nut end face and the thermometer bulb body, and then be convenient for people to adjust accurately the limiting temperature of heating environment.Obviously, this floor heating thermostatic valve has the advantage of reasonable in design and hommization.
In above-mentioned floor heating thermostatic valve, have some circumferential equally distributed raised lines on the described top cover, have one to one groove of several and above-mentioned raised line on the sensing dish, described raised line embeds in the groove.
In above-mentioned floor heating thermostatic valve, have block one on the described sensing dish, have block two on the described handwheel, described block two side faces can lean with the side of block one when rotating handwheel.
In above-mentioned floor heating thermostatic valve, the push rod outer end that described spool is positioned at water-inlet cavity and described spool and thermometer bulb is connected mutually, is fixed with bottom on the water-inlet cavity sidewall of valve body; Be provided with spring two between the body of described thermometer bulb and the bottom, an end of spring two and the body of thermometer bulb lean, and the other end and bottom lean; Described elastic component is the spring one that is arranged between spool and the lifting nut, and an end and the spool of spring one lean, and the other end and lifting nut lean.
In above-mentioned floor heating thermostatic valve, described spool is positioned at water chamber and described spool links to each other with the body of thermometer bulb, and the push rod exterior edge face of described thermometer bulb can lean with an end face of lifting nut; Be arranged with spring one on the push rod outer end of described thermometer bulb, an end and the spool of spring one lean, and the other end is resisted against on lifting nut or the push rod; Described elastic component is to be arranged on the body of thermometer bulb and the spring two between the water-inlet cavity internal face; One end of described spring two and the body of thermometer bulb lean, and the water-inlet cavity internal face of the other end and valve body leans.
In above-mentioned floor heating thermostatic valve, the spacing one between the body ear end face of described thermometer bulb and the bottom surface, valve inleting water chamber is greater than the spacing two between spool and the sealed department.When water temperature continued to raise and is higher than K ℃, the temperature sensing medium induction water temperature in the thermometer bulb also continued to expand, and promotes the thermometer bulb body to moving away from the spool direction and Compress Spring two, and certainly, spool still is resisted against on the sealed department; Also has the space of moving for the thermometer bulb body on the valve body.When water temperature is higher than K ℃ and be reduced to gradually when equaling K ℃, under the elastic force effect of spring two, the thermometer bulb body is gradually to moving near the spool direction.
Compared with prior art, this floor heating thermostatic valve has the following advantages:
1, thermometer bulb is directly responded to the water temperature in the water-inlet cavity, and then according to this water temperature automatic control flow size, so that this floor heating thermostatic valve has a temperature control is accurate, sensitive, and advantage easy to use.
2, has the sufficient space that moves for the thermometer bulb body in the unsteady setting of thermometer bulb and the valve body, so when the water temperature in the water-inlet cavity surpasses this floor heating thermostatic valve setting temperature, the thermometer bulb body can also move, so avoid temperature sensing medium in the thermometer bulb to expand causing body cavity pressure excessive and cause the phenomenon of temperature sensing medium seepage to occur, i.e. this floor heating thermostatic valve has the high advantage of safety in operation.
3, regulate the set temperature value of thermometer bulb by handling controlling mechanism, even this floor heating thermostatic valve can be according to the required adjustment set temperature value of reality, even this floor heating thermostatic valve using scope is wider.
4, controlling mechanism is provided with the limit journey mechanism of pointer, graduation line and identification character and restriction hand wheel rotating angle, so can make this floor heating of adjustment thermostatic valve more accurate.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention one.
Fig. 2 is the sectional structure schematic representation of the embodiment of the invention one state one.
Fig. 3 is the sectional structure schematic representation of the embodiment of the invention one state two.
Fig. 4 is the sectional structure schematic representation of the embodiment of the invention one state three.
Fig. 5 is the sectional structure schematic representation of the embodiment of the invention two.
Among the figure, 1, valve body; 1a, arrow; 1b, water-inlet cavity; 1c, water chamber; 1d, sealed department; 2, thermometer bulb; 2a, body; 2b, push rod; 2c, temperature sensing medium; 3, spool; 3a, base plate; 3b, side plate; 4, sensing dish; 4a, pointer; 4b, block one; 4c, groove; 5, handwheel; 5a, joint; 5b, surfacing end; 5c, block two; 6, spring one; 7, spring two; 8, seal ring; 9, pad two; 10, pad one; 11, jump ring two; 12, top cover; 13, O type circle; 14, lifting nut; 15, lifting screw; 16, jump ring one; 17, graduation line; 18, identification character; 19, bottom; H 1, spacing one; H2, spacing two.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 4, this floor heating thermostatic valve comprises valve body 1, thermometer bulb 2, spool 3, spring 1, spring 27 and controlling mechanism.
Specifically, have sealed department 1d in the valve body 1, and then valve body 1 inner chamber is divided into water-inlet cavity 1b and water chamber 1c.The arrow 1a that has the sign current direction on valve body 1 outer wall.
The water chamber 1c top of valve body 1 has mounting hole, is fixed with top cover 12 at the mounting hole place, and top cover 12 is tightly connected with valve body 1.This mounting hole is set is mainly used in the parts such as thermometer bulb 2, spool 3, spring 1 and spring 27 are packed in the valve body 1, also convenient for maintaining is changed above-mentioned parts simultaneously.Controlling mechanism is located between the push rod 2b of top cover 12 and thermometer bulb 2 and can regulates push rod 2b and penetrates length in the body 2a, namely can adjust the setting temperature of this floor heating thermostatic valve by the operation controlling mechanism.
Spring 27 is set on the body 2a of thermometer bulb 2, and the front end of body 2a has annular convex shoulder, and an end of spring 27 is resisted against on the above-mentioned annular convex shoulder end face, and the other end is resisted against on the valve body 1 water-inlet cavity 1b bottom surface.Under the effect of spring 27, the exterior edge face of push rod 2b is pressed on the valve gap by controlling mechanism, and the ear end face of body 2a and valve body 1 water-inlet cavity 1b bottom surface have spacing one h1.
Spool 3 is cylindric and it adopts copper or stainless steel and other metal materials to make.Spool 3 is set on the body 2a of thermometer bulb 2, and the port of spool 3 is towards sealed department 1d.Spool 3 comprises the base plate 3a that is circular and cylindrical side plate 3b.Be provided with between the push rod 2b of base plate 3a and thermometer bulb 2 make base plate 3a inner side surface and the side of the push rod 2b seal ring 8 that forms circumferential seal.Side plate 3b is set on the thermometer bulb 2 body 2a, and the end of side plate 3b links to each other with the lateral part of base plate 3a, and the other end of side plate 3b can lean with the sealed department 1d of valve body 1 and form hard sealing.The other end of side plate 3b is directly related with the flow of this floor heating thermostatic valve with the spacing h2 between the sealing surface, and above-mentioned spacing one h1 is greater than spacing h2.
On the push rod 2b outer end of thermometer bulb 2 along being arranged with successively jump ring 2 11, pad 1, spring 1 and pad 29 from the outer end to interior extreme direction.Jump ring 2 11 is fixed on the push rod 2b, and the two ends of spring 1 lean with pad and pad 29 respectively; Under the elastic force effect of spring 1, the end face of base plate 3a can lean with body 2a front-end face, and pad 29 is resisted against on the base plate 3a other end of spool 3; Pad 1 is resisted against on the jump ring 2 11.The elastic force of spring 27 is greater than the elastic force of spring 1.
Controlling mechanism comprises lifting screw 15, lifting nut 14 and handwheel 5.More particularly, lifting screw 15 and lifting nut 14 ecto-entads are located on the top cover 12 successively.Be provided with the O type circle 13 that two parallel to an axiss arrange between lifting screw 15 and the top cover 12.Lifting nut 14 is threaded connection with top cover 12, and an end of lifting nut 14 penetrates in the valve body 1 water chamber 1c and leans with the outer end of push rod 2b.One end of lifting screw 15 passes top cover 12 and is connected with handwheel 5, and the other end of lifting screw 15 circumferentially is fixedly connected with the other end of lifting nut 14.
Have the circular orientation convex shoulder on one end of lifting screw 15, have the recessed shoulder of the circular orientation corresponding with the circular orientation convex shoulder on the top cover 12, the bottom surface of the end face of circular orientation convex shoulder and the recessed shoulder of circular orientation leans.Be fixed with jump ring 1 on the other end of lifting screw 15, the exterior edge face of the end face of jump ring 1 and top cover 12 leans.So lifting screw 15 is axially fixed on the top cover 12, but lifting screw 15 can circumferentially rotate.Drive successively lifting screw 15 and lifting nut 14 and circumferentially rotate when circumferential rotation handwheel 5, lifting nut 14 also moves axially when circumferentially rotating, and then promotes thermometer bulb 2 push rod 2b and move axially, and realizes regulating push rod 2b and penetrates length in the body 2a.
For better reaching controlled handwheel 5 rotations more accurately, so between handwheel 5 and top cover 12, be provided with sensing dish 4 in a tubular form.Have cross sectional area on the top cover 12 and be the orthohexagonal section of putting forth effort, this is puted forth effort the relative inscribed circle of section and has 6 circumferential equally distributed raised lines, and sensing is coiled has 90 circumferential equally distributed groove 4c on 4 inwalls, and raised line embeds in the groove 4c one to one.Handwheel 5 comprises the joint 5a that links to each other with lifting screw 15 and is set in surfacing end 5b cylindrical on the lifting screw 15, and the end of surfacing end 5b links to each other with joint 5a, and the ring-shaped step bottom surface on other end and the sensing dish 4 leans.Thus, sensing dish 4 is fixed.
Sensing is coiled has pointer 4a on 4 outer walls, have block one 4b on the ring-shaped step side of sensing dish 4, and block one 4b and pointer 4a are positioned at same radius on line.Have graduation line 17 and identification character 18 on the surfacing end 5b outer side surface of handwheel 5.Have block two 5c on the surfacing end 5b inner side surface of handwheel 5, described block two 5c sides can lean with the side of block one 4b when rotating handwheel 5.Above-mentioned raised line and groove 4c are fixed sensing dish 4 and can make and be on top cover 12 arbitrary positions.Also be connected by raised line and groove 4c between handwheel 5 and the lifting screw 15, and then can more easily pointer 4a be adjusted on the position corresponding with valve state with identification character 18.
When this floor heating thermostatic valve is arranged in the water ground heating system, thermometer bulb 2 in this floor heating thermostatic valve has a set temperature value when leaning with sealed department 1d with respect to spool 3, this set temperature value has water temperature in a valve body 1 water-inlet cavity 1b accordingly, is K ℃ so set this water temperature value.
As shown in Figure 2, when actual water temperature was lower than K ℃ in the water-inlet cavity 1b, under the elastic force effect of spring 1 and spring 27, spool 3 was resisted against on the body 2a of thermometer bulb 2; The side plate 3b other end of spool 3 and the spacing h2 between the sealing surface be greater than zero, and namely the water in the water-inlet cavity 1b enters water chamber 1c between the side plate 3b other end of spool 3 and sealing surface, and this floor heating thermostatic valve is in opening state under this state.
As shown in Figures 2 and 3, when actual water temperature in the water-inlet cavity 1b is lower than K ℃ and when raising gradually, owing to the temperature sensing medium 2c in the thermometer bulb 2 experience water temperature and gradually expansion, and then promotion thermometer bulb 2 body 2a move while Compress Spring 27 gradually to the base plate 3a direction away from spool 3.In thermometer bulb 2 body 2a moving process, the active force that causes body 2a to act on the spool 3 reduces, so spool 3 under effect in the bullet of spring 1, promotes spool 3 to moving and be resisted against all the time on the thermometer bulb 2 body 2a near valve body 1 sealed department 1d direction; In this process, the length of spring 1 is extended gradually.Under this state, the flow of this floor heating thermostatic valve reduces gradually.
As shown in Figure 3, when actual water temperature equaled K ℃ in the water-inlet cavity 1b, the side plate 3b of the spool 3 and sealed department 1d of valve body 1 leans and form hard sealing between the two stoped the water in the water-inlet cavity 1b to flow into water chamber 1c, and this floor heating thermostatic valve is in cut-off state.
As shown in Figure 3 and Figure 4, when actual water temperature in the water-inlet cavity 1b raise gradually and is higher than K ℃, the temperature sensing medium 2c in the thermometer bulb 2 experienced water temperature and prolonged expansion, and then continued to promote thermometer bulb 2 body 2a and move to the base plate 3a direction away from spool 3 gradually; Spacing one h1 between the ear end face of body 2a and the valve body 1 water-inlet cavity 1b bottom surface guarantees that thermometer bulb 2 body 2a move enough spaces to the base plate 3a direction away from spool 3.In this process, Compress Spring 27 continues compressed, and the sealed department 1d that spool 3 still is resisted against with valve body 1 leans; The body 2a front-end face of thermometer bulb 2 breaks away from the base plate 3a of spool 3 and the spacing between body 2a front-end face and the base plate 3a increases gradually.Obviously, this structure has effectively been protected thermometer bulb 2, has improved practicability and the working life of this floor heating thermostatic valve, i.e. this floor heating thermostatic valve is in cut-off state and is in the safety protection state.
When actual water temperature in the water-inlet cavity 1b reduces and gradually from being higher than K ℃ gradually to being lower than K ℃ when descending, temperature sensing medium 2c in the thermometer bulb 2 experiences water temperature and shrinks gradually, and thermometer bulb 2 body 2a move to the base plate 3a direction near spool 3 under the elastic force effect of spring 27 gradually.Concrete steps are in thermometer bulb 2 body 2a moving process: at first, spacing is dwindled gradually between the body 2a front-end face of thermometer bulb 2 and the base plate 3a of spool 3; Then, until body 2a front-end face and base plate 3a lean; At last, thermometer bulb 2 body 2a promote spool 3 to moving away from valve body 1 sealed department 1d direction, simultaneously Compress Spring 1.
In a word, when actual water temperature was in a certain temperature for a long time in the water-inlet cavity 1b, spool 3 can be in state of equilibrium under the effect of spring 1 and spring 7.If actual water temperature change in the water-inlet cavity 1b, the volume of temperature sensing medium 2c is along with changing and under the effect of spring 1 and spring 27, changing automatically the flow of this floor heating thermostatic valve.
Embodiment two
As shown in Figure 5, present embodiment is basic identical with embodiment one structure and principle, and different place is: the push rod 2b outer end that spool 3 is positioned at water-inlet cavity 1b and spool 3 and thermometer bulb 2 is connected mutually.Spool 3 in the form of annular discs and itself and push rod 2b are connected as a single entity.Be fixed with bottom 19 on the water-inlet cavity 1b sidewall of valve body 1, be fixed with top cover 12 on the water chamber 1c sidewall of valve body 1, an end and the spool 3 of spring 1 lean, and the other end and top cover 12 lean; One end of spring 27 and the body 2a of thermometer bulb 2 lean, and the other end and bottom 19 lean.
Be equipped with lifting screw 15 and lifting nut 14 on the top cover 12, lifting nut 14 is threaded connection with top cover 12, one end of lifting nut 14 penetrates in the valve body 1 water chamber 1c and leans with the other end of spring 1, described lifting screw 15 is axially fixed on the top cover 12, and an end of lifting screw 15 passes top cover and is connected with handwheel 5; The other end of lifting screw 15 circumferentially is fixedly connected with the other end of lifting nut 14.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used valve body 1; Arrow 1a; Water-inlet cavity 1b; Water chamber 1c; Sealed department 1d; Thermometer bulb 2; Body 2a; Push rod 2b; Temperature sensing medium 2c; Spool 3; Base plate 3a; Side plate 3b; Sensing dish 4; Pointer 4a; Block one 4b; Groove 4c; Handwheel 5; Joint 5a; Surfacing end 5b; Block two 5c; Spring 1; Spring 27; Seal ring 8; Pad 29; Pad 1; Jump ring 2 11; Top cover 12; O type circle 13; Lifting nut 14; Lifting screw 15; Jump ring 1; Graduation line 17; Identification character 18; Bottom 19; Spacing one h1; The terms such as spacing two h2, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (5)
1. floor heating thermostatic valve comprises the have sealed department valve body (1) of (1d), and the inner chamber of valve body (1) is divided into water-inlet cavity (1b) and water chamber (1c); Be provided with thermometer bulb (2) and spool (3) in the valve body (1); It is characterized in that, the body (2a) of described thermometer bulb (2) is positioned at water-inlet cavity (1b), be connected with spool (3) on the described thermometer bulb (2), thermometer bulb (2) can be with movable valve plug (3) to moving near sealed department (1d) direction when the water temperature in the water-inlet cavity (1b) raises; Be provided with between described thermometer bulb (2) and the valve body (1) and after the water temperature in the water-inlet cavity (1b) descends, can make thermometer bulb (2) push rod (2b) be retracted to elastic component in thermometer bulb (2) body (2a); Be provided with between water chamber (1c) sidewall of described valve body (1) and the thermometer bulb (2) and can regulate the controlling mechanism that push rod (2b) penetrates the interior length of body (2a); Described controlling mechanism comprises the top cover (12) that is fixed on valve body (1) water chamber (1c) sidewall, be equipped with lifting screw (15) and lifting nut (14) on the described top cover (12), described lifting nut (14) is threaded connection with top cover (12), and an end of lifting nut (14) penetrates in valve body (1) water chamber (1c) and can be connected with the outer end of push rod (2b); Described lifting screw (15) is axially fixed on the top cover (12), and an end of lifting screw (15) passes top cover (12) and is connected with handwheel (5); The other end of described lifting screw (15) circumferentially is fixedly connected with the other end of described lifting nut (14); Be provided with sensing dish (4) in a tubular form between described handwheel (5) and the top cover (12), sensing dish (4) is fixed on the top cover (12), have pointer (4a) on the described sensing dish (4), have graduation line (17) and identification character (18) on the described handwheel (5); Have some circumferential equally distributed raised lines on the described top cover (12), have one to one groove (4c) of several and above-mentioned raised line on the sensing dish (4), described raised line embeds in the groove (4c); Also be to be connected with groove fit by raised line between described handwheel (5) and the lifting screw (15), described handwheel (5) comprises the joint (5a) that links to each other with lifting screw (15) and is set in the upper cylindrical surfacing end (5b) of lifting screw (15), one end of surfacing end (5b) links to each other with joint (5a), and the ring-shaped step bottom surface on other end and the sensing dish (4) leans.
2. floor heating thermostatic valve according to claim 1 is characterized in that, is provided with the O type circle (13) that two parallel to an axiss arrange between described lifting screw (15) and the top cover (12).
3. floor heating thermostatic valve according to claim 1, it is characterized in that, has block one (4b) on the described sensing dish (4), have block two (5c) on the described handwheel (5), described block two (5c) side can lean with the side of block one (4b) when rotating handwheel (5).
4. floor heating thermostatic valve according to claim 1 and 2, it is characterized in that, push rod (2b) outer end that described spool (3) is positioned at water-inlet cavity (1b) and described spool (3) and thermometer bulb (2) is connected mutually, is fixed with bottom (19) on water-inlet cavity (1b) sidewall of valve body (1); Be provided with spring two (7) between the body (2a) of described thermometer bulb (2) and the bottom (19), the body (2a) of an end of spring two (7) and thermometer bulb (2) leans, and the other end and bottom (19) lean; Described elastic component is for being arranged on the spring one (6) between spool (3) and the lifting nut (14), and an end of spring one (6) and spool (3) lean, and the other end and lifting nut (14) lean.
5. floor heating thermostatic valve according to claim 1 and 2, it is characterized in that, described spool (3) is positioned at water chamber (1c) and described spool (3) links to each other with the body (2a) of thermometer bulb (2), and push rod (2b) exterior edge face of described thermometer bulb (2) can lean with an end face of lifting nut (14); Be arranged with spring one (6) on push rod (2b) outer end of described thermometer bulb (2), an end of spring one (6) and spool (3) lean, and the other end is resisted against on lifting nut (14) or the push rod (2b); Described elastic component is for being arranged on the body (2a) of thermometer bulb (2) and the spring two (7) between water-inlet cavity (1b) internal face; The body (2a) of one end of described spring two (7) and thermometer bulb (2) leans, and water-inlet cavity (1b) internal face of the other end and valve body (1) leans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025066 CN102135207B (en) | 2011-01-24 | 2011-01-24 | Floor heating thermostatic valve |
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| CN 201110025066 CN102135207B (en) | 2011-01-24 | 2011-01-24 | Floor heating thermostatic valve |
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| CN102135207A CN102135207A (en) | 2011-07-27 |
| CN102135207B true CN102135207B (en) | 2013-03-13 |
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| CN 201110025066 Expired - Fee Related CN102135207B (en) | 2011-01-24 | 2011-01-24 | Floor heating thermostatic valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103335144A (en) * | 2013-07-08 | 2013-10-02 | 东阳市宇宙铜业有限公司 | Improved structure of floor heating thermostatic valve |
| CN103925408A (en) * | 2014-05-06 | 2014-07-16 | 绍兴市天泽节能设备科技有限公司 | Dynamic balance type automatic temperature control valve with ejector pin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913766Y (en) * | 2005-12-09 | 2007-06-20 | 郭富永 | Adjustable thermostatic valve |
| CN101084392A (en) * | 2004-11-09 | 2007-12-05 | 印第安纳马斯科公司 | Thermostatic mixer with device for dynamic regulation of a water flow |
| CN101865307A (en) * | 2010-03-04 | 2010-10-20 | 卓旦春 | Self-operated type constant-temperature water mixing valve for floor heating |
| CN201672121U (en) * | 2010-05-27 | 2010-12-15 | 邹维民 | Novel temperature control valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103537A (en) * | 1996-09-25 | 1998-04-21 | Ntc Kogyo Kk | Automatic mixing valve |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101084392A (en) * | 2004-11-09 | 2007-12-05 | 印第安纳马斯科公司 | Thermostatic mixer with device for dynamic regulation of a water flow |
| CN2913766Y (en) * | 2005-12-09 | 2007-06-20 | 郭富永 | Adjustable thermostatic valve |
| CN101865307A (en) * | 2010-03-04 | 2010-10-20 | 卓旦春 | Self-operated type constant-temperature water mixing valve for floor heating |
| CN201672121U (en) * | 2010-05-27 | 2010-12-15 | 邹维民 | Novel temperature control valve |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-103537A 1998.04.21 |
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| CN102135207A (en) | 2011-07-27 |
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