CN103574149A - Constant temperature valve temperature adjusting device - Google Patents
Constant temperature valve temperature adjusting device Download PDFInfo
- Publication number
- CN103574149A CN103574149A CN201210258264.8A CN201210258264A CN103574149A CN 103574149 A CN103574149 A CN 103574149A CN 201210258264 A CN201210258264 A CN 201210258264A CN 103574149 A CN103574149 A CN 103574149A
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- Prior art keywords
- shell
- indicating ring
- spacing
- guiding connector
- thermostatic valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Abstract
A constant temperature valve temperature adjusting device comprises a casing, a guiding connecting piece, a temperature bulb, a connecting nut and an indication ring. The indication ring is fixedly connected with the guiding connecting piece, a position indicator is arranged on the indication ring, the casing is provided with an indication portion, and a limiting structure and an inner thread portion are arranged in a cavity of the casing from the inside to the outside sequentially. A sliding thread portion matched with the inner thread portion in the casing is arranged on the guiding connecting piece, and set temperature of a constant temperature valve can be adjusted through thread matching rotation of the inner thread portion and the sliding thread portion of the guiding connecting piece. A limit blocking portion is arranged on the indication ring correspondingly. Thread rotation of the casing and the guiding connecting piece is limited from two directions through butting location of the limit blocking portion of the indication ring and the limiting structure of the casing. An installing debugging process of the constant temperature valve temperature adjusting device is simple, and machining of parts is easy.
Description
Technical field
The present invention relates to fluid control technology field, specifically the heat supply thermostatic valve in a kind of HVAC control technique field.
Background technique
The thermostatic valve that HVAC control technique field is used, main and radiator supports the use, and mainly plays the use of constant adjusting room temperature, generally when room temperature changes, need to adjust the flow of valve.Thermostatic valve comprises the thermostatic valve valve gap mainly playing regulatory role and the valve body passing through for fluid.Thermostatic valve valve gap generally has the spacing of two positions when regulating constant fixed temperature, be maximum temperature and minimum temperature, existing thermostatic valve is generally that a groove is set on knob, and stopping element is inserted in respectively separably in the groove arranging on knob, if application number is 200610004727.2, denomination of invention is the application for a patent for invention of thermostat valve cap, wherein disclosed technological scheme is exactly on the open end of valve link, to be provided with groove at knob, stopping element 9 is inserted respectively in one of groove of knob separably, corresponding stopper is set in addition on valve link, stopping element and valve link stopper form the rotation of knob limited, because need to having the rotation of both direction, knob limits, therefore, also need to have two stopping elements to be respectively charged in corresponding groove, like this, assembling compares poor, be unfavorable for batch production, cause cost of production higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of assembling thermostatic valve duct thermostat relatively simple, easy for installation.For this reason, the present invention is by the following technical solutions:
A kind of thermostatic valve duct thermostat, comprise shell, guiding connector, temperature-sensitive bag, attaching nut, described attaching nut is socketed on the joint of described guiding connector movably, it is characterized in that, described thermostatic valve duct thermostat also comprises indicating ring, described indicating ring is fixedly connected with described guiding connector, on described indicating ring, be provided with position indicator, correspondingly described shell is provided with instruction unit in its outside position near indicating ring, in the inner chamber of described shell, be inwardly disposed with limit structure, internal thread part, on described guiding connector, be provided with the slip screw section coordinating with the internal thread part of described shell, screw-thread fit by the internal thread part of described shell and the slip screw section of described guiding connector is rotated, the setting temperature of adjustable described thermostatic valve, and on described indicating ring, be also provided with and coordinate spacing spacing stop part with the limit structure of described shell, the inconsistent location of limit structure of spacing stop part and described shell by described indicating ring, limits the screw thread rotation of described shell and described guiding connector from both direction.Like this, by indicating ring and guiding connector separate machined, assemble again, stop component is separately positioned on shell and indicating ring, exempted independent processing and two stop components have been installed, make the Installation and Debugging process of thermostatic valve duct thermostat relatively simple, and the processing of component is also relatively easy.
Further, described guiding connector comprises for packing the outer guide portion of described indicating ring into, concavo-convex auxiliary section, the first recess between outer guide portion and concavo-convex auxiliary section, the described indicating ring axial limiting portion that wall portion is provided with jog and arranges near jog within it, after the outer guide portion of the axial limiting portion of described indicating ring by guiding connector is pressed into, being connected in the first recess of guiding connector is fixed the axial position of indicating ring and described guiding connector, and the concavo-convex auxiliary section that makes guiding connector coordinates location that the radial position of indicating ring and described guiding connector is fixed with the jog of described indicating ring.
Further, the concavo-convex auxiliary section of described guiding connector is the gear shape auxiliary section that tooth is axial setting, and the jog of described indicating ring is circular gear screens portion, and the tooth of gear screens portion is axial setting.
Described thermostatic valve duct thermostat also comprises push rod component, and described guiding connector is provided with positioning guide hole near described joint, and the lower push rod of described push rod component is through the positioning guide hole of described guiding connector.
During described thermostatic valve duct thermostat assembling, first described guiding connector and shell, temperature-sensitive bag, push rod component to be installed together, and then adjust the position relationship between described shell and guiding connector, and then described indicating ring is installed, and described attaching nut is installed.The accuracy of the position of indicating ring indication can be guaranteed like this, has avoided the tolerance stack error in various parts processes, makes Installation and Debugging process relatively simple,
Preferably, described guiding connector, shown in indicating ring, shell all by molding and forming, process; The inner wall part of described guiding connector is provided with many and strengthens rib.The injection molding of these three parts is also relatively easy like this, has reduced the difficulty of injection mould.
Preferably, between the internal thread part of described shell and the outside wall portions of shell, be concentric setting, in the space between internal thread part and outside wall portions, be also provided with many strengthening rib, the outer surface of strengthening rib and internal thread part flush; In the inner chamber of described shell, from described internal thread part, be inwardly also provided with many ribs.Distortion when many strengthening rib being set here helping avoid molding and forming, and make shell keep enough intensity, can also make to keep good concentricity between the outside wall portions of shell and internal thread part in addition.
Preferably, that the limit structure of described shell comprises is first spacing, second spacing, described first spacing, the second spacing internal chamber wall portion that is separately positioned on shell, described first spacing, second spacing be the projection that the outside wall portions of shell inwardly arranges, described first spacing, the second spacing exterior edge face flushes with the exterior edge face of described shell; Spacing stop part on described indicating ring is and is wholely set, the both ends of the surface of spacing stop part become the first spacing stop part and the second spacing stop part, the first spacing stop part and the second spacing stop part are oppositely arranged, and first spacing the first contact part of shell and the first spacing stop part of indicating ring are inconsistent and carry out the first location; Second spacing the second contact part of shell and the second spacing stop part of indicating ring are inconsistent and carry out the second location.
Preferably, the position indicator arranging on described indicating ring is near described spacing stop part setting, described position indicator and described spacing stop part are in the same radial orientation of indicating ring, between position indicator and described spacing stop part, there is clearance portion, and described spacing stop part protrudes from described indicating ring near the upper plane of shell side.
Preferably, in described thermostatic valve duct thermostat the internal thread part of the distance L 3 between temperature-sensitive bag and guiding connector, shell surface and indicating ring near shell side upper plane between distance L 2, the exterior edge face of shell and the second plane of indicating ring between distance L 1 screw-thread fit that is all more than or equal to shell and guiding connector revolve the axial displacement height while turning around.
Like this, the present invention by arranging position-limit mechanism on shell, and then by spacing stop part is set on indicating ring, the inconsistent location of limit structure of spacing stop part and shell by indicating ring, from both direction, limit the screw thread rotation of shell and guiding connector, make the Installation and Debugging process of thermostatic valve duct thermostat relatively simple, and the processing of component is also relatively easy.
Accompanying drawing explanation
Fig. 1 sectional structure schematic diagram when the highest that is the first embodiment thermostatic valve duct thermostat of the present invention at setting temperature;
Fig. 2 is the structural representation of the guiding connector of thermostatic valve shown in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of guiding connector shown in Fig. 2;
Fig. 4 is the perspective view of the indicating ring of thermostatic valve shown in Fig. 1;
Fig. 5 is the plan view of indicating ring shown in Fig. 4;
Fig. 6 is the A-A cross-sectional schematic of indicating ring shown in Fig. 5;
Fig. 7 is the cross-sectional schematic of the indicating ring of the second mode of execution of the present invention;
Fig. 8 is the perspective view of the shell of thermostatic valve shown in Fig. 1;
Fig. 9 is the plan view of shell shown in Fig. 8;
Figure 10 is the G-G cross-sectional schematic of shell shown in Fig. 8.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Wherein the specific embodiment of the present invention is as shown in Fig. 1-Figure 10, wherein Fig. 1 is the sectional structure schematic diagram of the first embodiment thermostatic valve of the present invention, Fig. 2 is the structural representation of the guiding connector of thermostatic valve shown in Fig. 1, Fig. 3 is the sectional structure schematic diagram of guiding connector shown in Fig. 2, Fig. 4 is the perspective view of the indicating ring of thermostatic valve shown in Fig. 1, Fig. 5 is the plan view of indicating ring shown in Fig. 4, Fig. 6 is the A-A cross-sectional schematic of indicating ring shown in Fig. 5, Fig. 8 is the perspective view of the shell of thermostatic valve shown in Fig. 1, Fig. 9 is the plan view of shell shown in Fig. 8, Figure 10 is the G-G cross-sectional schematic of shell shown in Fig. 8.
As shown in the figure, thermostatic valve duct thermostat of the present invention comprises shell 4, guiding connector 3, indicating ring 2, attaching nut 1, and attaching nut 1 is connected on the joint 33 of guiding connector 3 movably.As shown in Figure 2 and Figure 3, guiding connector 3 comprise joint 33 for coordinating with attaching nut 1, for pack between gear auxiliary section 32 that the outer guide portion 36 of indicating ring 2, the gear that arranges for the inwall with indicating ring coordinate, outer guide portion 36 and gear auxiliary section 32 for coordinating first recess 34 of locating with indicating ring 2, for the slip screw section 31 with shell 4 screw-thread fit; The tooth of gear auxiliary section 32 is axial setting, the preferential polydonita screw thread that adopts in slip screw section 31, between slip screw section 31 and gear auxiliary section 32, be provided with the second recess 35, the inner wall part of guiding connector 3 is provided with many and strengthens rib 37, strengthening rib 37 can roughly be symmetrical arranged, to prevent the distortion of guiding connector 3 when the injection molding.The inner chamber of guiding connector 3 is also provided with roughly cylindrical positioning and guiding portion 38, positioning and guiding portion 38 inside are through hole shape, make lower push rod 5 can be from positioning guide hole 39 by and under the drive of temperature-sensitive bag 9, bellows, supported spring 10 etc. knee-action, thereby the action that drives thermostatic valve that valve port is opened greatly, turned down.Particularly, gear auxiliary section 32 is a group or many groups of auxiliary sections that combined by a plurality of gear shapes at base portion, and the gear screens portion 24 arranging for the inner wall part with indicating ring 2 coordinates location.
The first mode of execution of indicating ring 2 is as shown in Fig. 4, Fig. 5, Fig. 6, and indicating ring 2 comprises position indicator 21, spacing stop part 22, the gear screens portion 24 that wall portion arranges and the axial limiting portion 23 arranging near gear screens portion 24 within it.Indicating ring 2 all processes by molding and forming with guiding connector 3 in the present embodiment, and the two is difference injection molding, and when installation is, be first by guiding connector 3 and shell 4, temperature-sensitive bag 9, safety spring 8, upper ejector pin 7, supported spring 7, back-up ring 6, the parts such as lower push rod 5 and shell 4 are assembled together, and then according to the position relationship between shell 4 and guiding connector 3, indicating ring 2 is installed, the accuracy of the position of indicating ring 2 indications can be guaranteed like this, avoided the tolerance stack error in various parts processes, make Installation and Debugging process relatively simple, and the injection molding of these two parts is also relatively easy, reduced the difficulty of injection mould.
The structure of shell 4 is as shown in Fig. 8, Fig. 9, Figure 10, and shell 4 equally also processes by molding and forming.At it, the outer installment near indicating ring 2 has instruction unit 44 to shell 4, diapire position at it near the temperature-sensitive bag 9 of temperature sense is provided with the notch part 43 that multi-group has many breach, in the inner chamber of shell 4, be inwardly disposed with limit structure, internal thread part 45, many ribs 48, limit structure comprises first spacing 41, second spacing 42, first spacing 41 and second spacing 42 is arranged in the outside wall portions and the space between internal thread part 45 of shell 4, first spacing 41 and second spacing 42 be arranged on the inside projection of shell 4 outside wall portions, in space between the outside wall portions of shell 4 and internal thread part 45, be also provided with in addition many strengthening rib 47, the outer surface of strengthening rib 47 flushes with internal thread part surface 46, distortion when many strengthening rib 47 being set here helping avoid molding and forming, and make shell keep enough intensity, can also make in addition to keep good coaxality between the outside wall portions of shell 4 and internal thread part 45, here the outside wall portions of shell 4 refers to shell 4 near the outer wall part at indicating ring position.The structure of shell 4 is except limit structure, and other structure is roughly and is symmetrical arranged.
In addition, the present invention can also do some other improvement, the second mode of execution of indicating ring as shown in Figure 7, the main distinction of itself and the first mode of execution is, its spacing stop part 22a protrudes from indicating ring our department, particularly, be the upper plane 25 that the upper plane 225 of spacing stop part 22a protrudes from indicating ring our department, and in the first mode of execution, the upper plane of spacing stop part 22 and the upper plane 25 of indicating ring our department are substantially flush.The upper plane 25 that the upper plane 225 of spacing stop part 22a protrudes from indicating ring our department arranges, and like this, when concrete adjustment, the height of spacing stop part is relatively high, and its surface of contact also can correspondingly increase; And concrete when spacing, in the time of can making corresponding the reducing of spacing between shell 4 and indicating ring, still can carry out corresponding spacing, thereby reduce the whole height of thermostatic valve duct thermostat.In these two kinds of mode of executions, spacing stop part is all and is wholely set in addition, and it is outside bigger trapezoidal that the cross section of spacing stop part is roughly; The spacing stop part 222 of the first spacing stop part 221, second arranging respectively by spacing stop part 22, its bi-side of 22a, respectively with shell 4 on arrange first spacing 41, second spacing 42 inconsistent and obtain location.First of indicating ring the spacing stop part and the second spacing stop part also can arrange respectively in addition, and its sectional shape can be dihedral, square, annular or trapezoidal etc.Also have first spacing 41, second spacing 42 on shell 4 to divide and be arranged in the mode of execution of existing introduction, sectional shape is square, sectional shape can also be dihedral, annular or trapezoidal in addition, also can be wholely set, as be circular-arc, two faces of its both sides are respectively as first spacing, first spacing, can realize the object of the invention equally like this.
In addition, the gear auxiliary section arranging on guiding connector 3 is not limited to above-described mode, can also be other cooperating structure, as shape is not limited to gear shape, can also be the jog of square or trapezoid cross section; Can also be one or more groups projection is set on auxiliary section, correspondingly at the inner wall part of indicating ring 2, recess corresponding to many groups is set as screens portion in addition, during concrete assembling, make the projection on guiding connector can correspondingly selectively be stuck in one group of recess of indicating ring inner wall part, like this, not only radial position is adjustable between the two, and connection is also relatively convenient.In addition, the axial restraint mode of indicating ring and guiding connector is also not limited to make the axial limiting portion of indicating ring and this kind of mode of the first recess clamping of guiding connector, also can adopt in addition and carry out Plastic Welding location after assembling or the alternate manner such as buckle is fixing.
During concrete assembling, comprise following operation:
(10) assembling push rod component: upper ejector pin 7, safety spring 8, lower push rod 5, back-up ring 6 are fitted together to formation push rod component;
(20) assembling temperature-sensitive bag and push rod component: temperature-sensitive bag 9 is packed in shell 4, and then pack push rod component into be placed in shell 4 temperature-sensitive bag; Or after being assembled, temperature-sensitive bag 9 and push rod component reinstall in shell;
(30) assembling supported spring 10 and guiding connector 3, be first set in supported spring 10 on upper ejector pin 7, to carry out radial location by lower push rod; And then guiding connector 3 is screwed in shell, make the guide-localization hole 39 of lower push rod alignment guide link 3;
(40) press-fit indicating ring 2: indicating ring 2 is pressed into guiding connector 3, makes the axial limiting portion 23 of indicating ring 2 be fastened on the first recess 34 of guiding connector 3;
(50) load connected nut: the joint 33 that attaching nut 1 is pressed fit into guiding connector 3.
During concrete use, the height of thermostatic valve duct thermostat setting temperature is adjusted by rotational shell 4, Figure 1 shows that the sectional structure schematic diagram of thermostatic valve duct thermostat when setting temperature is the highest, at this moment, the first contact part 411 of first spacing 41 of shell 4 is inconsistent and locate with the first spacing stop part 221 of indicating ring 2, and the first contact part 411 contact location mode with the first spacing stop part 221 of indicating ring 2 can be that line contact, face contact or put contacts, the bottom surface of lower push rod 5 is at this moment that correspondingly, the valve port opening of thermostatic valve is corresponding increase also relatively farthest from constant temperature valve body, at this moment the distance L 3 between temperature-sensitive bag 9 and guiding connector 3 in thermostatic valve duct thermostat, the internal thread part surface 46 of shell 4 and the distance L 2 between the upper plane 25 of indicating ring 3, distance L 1 between the second plane 26 of the outer surface of shell 4 and indicating ring 3 is all greater than the axial displacement height that shell 4 and the screw-thread fit of guiding connector 3 can be rotated, preferably, distance L 3 in thermostatic valve duct thermostat between temperature-sensitive bag 9 and guiding connector 3, the internal thread part surface 46 of shell 4 and the distance L 2 between the upper plane 25 of indicating ring 3, distance L 1 between the second plane 26 of the outer surface of shell 4 and indicating ring 3 is all more than or equal to shell 4 can revolve with the screw-thread fit of guiding connector 3 the axial displacement height turning around.And during actual use, owing to being provided with spacing conflict mechanism on shell 4 and guiding connector 3, and between actual shell 4 and guiding connector 3 rotatable amplitude less than a circle.And when needs reduce setting temperature, making shell 4 movement direction rotation downwards, shell 4 drives post rod parts to move down, thereby the aperture of valve port is reduced.When lowest set temperature, the second contact part 421 of second spacing 42 of shell 4 is inconsistent and locate with the second spacing stop part 222 of indicating ring 2, that is, thermostatic valve duct thermostat can rotate rotation and set between these two positions.
And in true temperature during higher than setting temperature, temperature-sensitive bag 9 expanded by heating, move down post rod parts, thereby reduce valve port opening, reduce the amount of the medium that offers radiator, thereby ambient temperature is reduced; And in true temperature during lower than setting temperature, temperature-sensitive bag 9 contraction that turns cold, the spring force of supported spring 10 makes on post rod parts to move, and increase valve port opening, increase the amount of the medium that offers radiator, thereby ambient temperature is grown tall, thereby realize thermostatically controlled object.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction.Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.In specification the noun of locality used as upper and lower, inside and outside just for clarity, and should not regard limitation of the present invention as.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations, as mode of execution described above combined or substituting etc.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (10)
1. a thermostatic valve duct thermostat, comprise shell, guiding connector, temperature-sensitive bag, attaching nut, described attaching nut is socketed on the joint of described guiding connector movably, it is characterized in that, described thermostatic valve duct thermostat also comprises indicating ring, described indicating ring is fixedly connected with described guiding connector, on described indicating ring, be provided with position indicator, correspondingly described shell is provided with instruction unit in its outside position near indicating ring, in the inner chamber of described shell, be inwardly disposed with limit structure, internal thread part, on described guiding connector, be provided with the slip screw section coordinating with the internal thread part of described shell, screw-thread fit by the internal thread part of described shell and the slip screw section of described guiding connector is rotated, the setting temperature of adjustable described thermostatic valve, and on described indicating ring, be also provided with and coordinate spacing spacing stop part with the limit structure of described shell, the inconsistent location of limit structure of spacing stop part and described shell by described indicating ring, limits the screw thread rotation of described shell and described guiding connector from both direction.
2. thermostatic valve duct thermostat according to claim 1, it is characterized in that, described guiding connector comprises for packing the outer guide portion of described indicating ring into, concavo-convex auxiliary section, the first recess between outer guide portion and concavo-convex auxiliary section, the described indicating ring axial limiting portion that wall portion is provided with jog and arranges near jog within it, after the outer guide portion of the axial limiting portion of described indicating ring by guiding connector is pressed into, being connected in the first recess of guiding connector is fixed the axial position of indicating ring and described guiding connector, and the concavo-convex auxiliary section that makes guiding connector coordinates location that the radial position of indicating ring and described guiding connector is fixed with the jog of described indicating ring.
3. thermostatic valve duct thermostat according to claim 2, it is characterized in that, the concavo-convex auxiliary section of described guiding connector is the gear shape auxiliary section axially arranging, and the jog of described indicating ring is the gear screens portion that is arranged on ring-shaped inner wall portion, and the tooth of gear screens portion is axial setting.
4. according to claim 1-3 arbitrary described thermostatic valve duct thermostat wherein, it is characterized in that, described thermostatic valve duct thermostat also comprises push rod component, described guiding connector is provided with positioning guide hole near described joint, and the lower push rod of described push rod component is through the positioning guide hole of described guiding connector.
5. thermostatic valve duct thermostat according to claim 4, it is characterized in that, during described thermostatic valve duct thermostat assembling, first described guiding connector and shell, temperature-sensitive bag, push rod component to be installed together, and then adjust the position relationship between described shell and guiding connector, and then described indicating ring is installed, and described attaching nut is installed.
6. thermostatic valve duct thermostat according to claim 4, is characterized in that, described guiding connector, shown in indicating ring, shell all by molding and forming, process; The inner wall part of described guiding connector is provided with many and strengthens rib.
7. thermostatic valve duct thermostat according to claim 6, it is characterized in that, between the internal thread part of described shell and the outside wall portions of shell, be roughly coaxial setting, in space between internal thread part and outside wall portions, be also provided with many strengthening rib, the outer surface of strengthening rib and internal thread part flush outwardly; In the inner chamber of described shell, from described internal thread part, be inwardly also provided with many ribs.
8. according to the arbitrary described thermostatic valve duct thermostat of the claims, it is characterized in that, that the limit structure of described shell comprises is first spacing, second spacing, described first spacing, the second spacing internal chamber wall portion that is separately positioned on shell, described first spacing, second spacing be the projection that the outside wall portions of shell inwardly arranges, described first spacing, the second spacing exterior edge face flushes with the exterior edge face of described shell; Spacing stop part on described indicating ring is and is wholely set, the both ends of the surface of spacing stop part become the first spacing stop part and the second spacing stop part, the first spacing stop part and the second spacing stop part are oppositely arranged, and first spacing the first contact part of shell and the first spacing stop part of indicating ring are inconsistent and carry out the first location; Second spacing the second contact part of shell and the second spacing stop part of indicating ring are inconsistent and carry out the second location.
9. thermostatic valve duct thermostat according to claim 8, it is characterized in that, the position indicator arranging on described indicating ring is near described spacing stop part setting, described position indicator and described spacing stop part are in the same radial orientation of indicating ring, between position indicator and described spacing stop part, there is clearance portion, and described spacing stop part protrudes from described indicating ring near the upper plane of shell side.
10. according to the arbitrary described thermostatic valve duct thermostat of the claims, it is characterized in that, the distance L 3 in described thermostatic valve duct thermostat between temperature-sensitive bag and guiding connector, the internal thread part of shell surface and indicating ring near shell side upper plane between distance L 2, the exterior edge face of shell and the second plane of indicating ring between distance L 1 screw-thread fit that is all more than or equal to shell and guiding connector revolve the axial displacement height while turning around.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258264.8A CN103574149A (en) | 2012-07-25 | 2012-07-25 | Constant temperature valve temperature adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210258264.8A CN103574149A (en) | 2012-07-25 | 2012-07-25 | Constant temperature valve temperature adjusting device |
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| CN103574149A true CN103574149A (en) | 2014-02-12 |
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| CN201210258264.8A Pending CN103574149A (en) | 2012-07-25 | 2012-07-25 | Constant temperature valve temperature adjusting device |
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| CN105805406A (en) * | 2016-05-28 | 2016-07-27 | 许昌东方热力有限公司 | Concentrated heating energy-saving temperature control valve |
| CN106499871A (en) * | 2015-09-04 | 2017-03-15 | 喜开理株式会社 | Flow control valve |
| CN108644462A (en) * | 2018-07-20 | 2018-10-12 | 郑州博容节能科技有限公司 | Drive rod integral heat emission device constant temperature valve head |
| CN109060188A (en) * | 2018-05-19 | 2018-12-21 | 上饶市欧德环保有限公司 | A kind of temperature sensitization apparatus performance test machine |
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| CN109060188A (en) * | 2018-05-19 | 2018-12-21 | 上饶市欧德环保有限公司 | A kind of temperature sensitization apparatus performance test machine |
| CN109060188B (en) * | 2018-05-19 | 2019-11-19 | 江西艾芬达暖通科技股份有限公司 | A kind of temperature sensitization apparatus performance test machine |
| CN108644462A (en) * | 2018-07-20 | 2018-10-12 | 郑州博容节能科技有限公司 | Drive rod integral heat emission device constant temperature valve head |
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Application publication date: 20140212 |