CN201651332U - Antifreezing locking valve with adjustable KV value - Google Patents
Antifreezing locking valve with adjustable KV value Download PDFInfo
- Publication number
- CN201651332U CN201651332U CN2009202460165U CN200920246016U CN201651332U CN 201651332 U CN201651332 U CN 201651332U CN 2009202460165 U CN2009202460165 U CN 2009202460165U CN 200920246016 U CN200920246016 U CN 200920246016U CN 201651332 U CN201651332 U CN 201651332U
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- Prior art keywords
- valve
- locking
- lock sleeve
- adjustable
- bonnet
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- Expired - Fee Related
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- Safety Valves (AREA)
Abstract
The utility model relates to an antifreezing locking valve with adjustable KV value, which belongs to the technical field of winter heating equipment. The antifreezing locking valve is characterized in that an antifreezing sleeve is arranged at the bottom of the inner cavity of the valve and is screwedly connected with a valve body; a locking member is screwedly connected with the upper end of a valve cap, and an annular groove is arranged on the locking member; and a compression spring is sheathed at the upper outer part of a locking sleeve, the lower outer part of the locking sleeve is screwedly connected with the inner circle of a valve cover, and after connection, the valve cover tightly presses a lock barrel at the upper end of the locking sleeve. When the valve is locked, a projection at the bottom of the valve barrel is clamped below the lug of the locking sleeve.
Description
Technical field
A kind of antifreeze locking valve of adjustable KV value belongs to the heat supply in winter equipment technical field.
Background technique
Because country has cancelled welfare heating in winter, some area beginnings are at those resident families that do not pay dues and the vacant room and the heating installation house lead in place of some public places, and mounted valve also stops to heat with the method for throttle down.In order not allow the user open pipe valve voluntarily, general this pipe valve all adopts locking valve, has only the key ability Open valve of managerial department with special use.But the heating area all is cold place, the temperature in evening in winter if room temperature is low excessively, can influence the healthy of indoor people all below 0 ℃ on the one hand, possible bursting by freezing such as interior conduit, radiating fin on the other hand, the many troubles that cause unnecessary loss and bring thus.The defective of prior art: 1, do not possess the ability of automatic on-off under low-temperature condition; 2, can not regulate the KV value, cause user's thermal equilibrium unbalance.
Summary of the invention
The purpose of this utility model provides a kind of antifreeze locking valve of adjustable KV value.
The technical solution of the utility model mainly comprises valve body, memory alloy, piston assembly, valve rod, locking element, lock core, valve bonnet, stage clip, lock sleeve, steel ball, bonnet, antifreezing set, boosting spring, adjusting element, push rod, sealing gasket, lock sleeve projection; Described antifreezing set is connected with valve body by screw thread at the intracavity bottom of valve, one dividing plate is arranged in the antifreezing set, and there is a through hole centre of dividing plate, and a side of dividing plate has sealing gasket, the opposite side of sealing gasket is close to memory alloy, and the other end of memory alloy withstands the end in the antifreezing set; The opposite side of described dividing plate is close to push rod, and the through hole that the center bolt of push rod passes dividing plate is connected with sealing gasket; The opposite side of described push rod withstands an end of boosting spring, and the other end of boosting spring withstands adjusting element the inner, the through hole that has a water supply stream to pass through in the middle of the adjusting element, and cylindrical is connected with antifreezing set by screw thread; There is a circular groove upper end of described bonnet by the locking element that is threaded above the locking element, circular groove is connected with the locking hole of lock sleeve by several locking steel balls; Circle is the up-small and down-big conical surface in the lower end mouth of described valve bonnet; The last outside of described lock sleeve is with stage clip, and following outside is connected with circle in the valve bonnet by screw thread, and after the connection, valve bonnet tightly is pressed in lock core the upper end of lock sleeve; When valve is lockable, the boss of lock core bottom is stuck in the below of the projection of lock sleeve, its process promotes valve bonnet again and moves down, and when steel ball moves on the inner conical surface of valve bonnet, is extruded in the hole of lock sleeve into, partly is extruded in the circular groove of locking element into; Described valve is lockable, and lock core does not rotate, and the boss of lock core bottom and the projection of lock sleeve do not stagger.
The beneficial effects of the utility model are: valve has the antifreeze effect of using end, and valve can be taken away valve bonnet by " lock " mechanism, the KV value of regulating valve.
Description of drawings
Accompanying drawing 1 is that valve of the present utility model is in the sectional drawing when closing.
Accompanying drawing 2 is A-A sectional views of the lock end face among Fig. 1.
1 valve body among the figure, 2 memory alloys, 3 piston assemblys, 4 valve rods, 5 locking elements, 6 lock cores, 7 valve bonnets, 8 stage clips, 9 lock sleeves, 10 steel balls, 11 bonnets, 12 antifreezing sets, 13 boosting springs, 14 adjusting elements, 15 push rods, 16 sealing gaskets, 17 lock sleeve projections, 18 keyholes; The flow direction of thermal medium when arrow C is valve open among Fig. 1, the flow direction of thermal medium when arrow D is the antifreeze function unlatching.
Embodiment
Now in conjunction with the accompanying drawings mode of execution is described in detail.The application mainly is made up of valve body (1), memory alloy (2), piston assembly (3), valve rod (4), locking element (5), lock core (6), valve bonnet (7), stage clip (8), lock sleeve (9), steel ball (10), bonnet (11), antifreezing set (12), boosting spring (13), adjusting element (14), push rod (15), sealing gasket (16), lock sleeve projection (17), keyhole (18); Antifreezing set (12) is connected with valve body (1) by screw thread at the intracavity bottom of valve (1), antifreezing set has a dividing plate in (12), there is a through hole centre of dividing plate, one side of dividing plate has sealing gasket (16), the opposite side of sealing gasket (16) is close to memory alloy (2), the other end of memory alloy (2) withstands the end in the antifreezing set (12), the opposite side of dividing plate is close to push rod (15), the through hole that the center bolt of push rod (15) passes dividing plate is connected with sealing gasket, the opposite side of push rod (15) withstands an end of boosting spring (13), the other end of boosting spring (13) withstands adjusting element (14) the inner, adjusting element (14) is connected with antifreezing set (12) by screw thread, the through hole that has a water supply stream to pass through in the middle of it.Its antifreeze principle is work like this: for example certain family is not owing to hand over the heating expense by property the utility model locking valve to be closed and pinned, and the water outlet in valve body this moment (1) is by piston assembly (3) shutoff, and thermal medium can not flow to radiator; When room temperature more and more lower, when the current temperature in the pipeline is hanged down to the low temperature deformation value of memory alloy (2), memory alloy (2) shrinks rapidly, sealing gasket this moment (16) is under the acting in conjunction of hydraulic pressure and boosting spring (13), sealing gasket (16) is pushed open, and thermal medium flows to indoor by the through hole on the antifreezing set (12); When room temperature raises gradually, cause the in-pipe flow temperature to raise, and when reaching the deformation values of memory alloy (2), memory alloy expand rapidly, promote sealing gasket (16) and block through hole on the dividing plate in the antifreezing set (12), block heat medium flow to radiator; Rotate adjusting element (14), can regulate the degree of tightness of boosting spring, thereby regulate the critical temperature of antifreeze unlatching.Another feature of the present utility model is the top by the locking element (5) that is threaded of bonnet (11), above the locking element (5) circular groove is arranged, and circular groove is connected by the locking hole of several locking steel balls (10) with lock sleeve (9); The lower end mouth of valve bonnet (7) is the up-small and down-big conical surface; There is the lock sleeve projection (17) of an accompanying drawing 2 at the inner chamber middle part of lock sleeve (9), and what cooperate with it is the boss of lock core (6) bottom; The last outside of lock sleeve (9) is with stage clip (8), and the interior bottom of valve bonnet (7) is connected with lock sleeve (9) by screw thread, and lock core (6) tightly is pressed in the upper end of lock sleeve (9); When valve is lockable, the boss of lock core (6) bottom is stuck in the below of the projection (17) of lock sleeve (9), its process promotes valve bonnet (7) again and moves down, when steel ball (10) moves on the inner conical surface of valve bonnet (7), in the circular groove that be extruded in the hole of lock sleeve (9) into, part is extruded locking element (5) into, valve pins; As long as lock core does not rotate, the boss of lock core (6) bottom and the projection (17) of lock sleeve (9) do not stagger, and valve bonnet (7) is not just opened, and the working state of valve just can not be changed, thereby has reached the purpose that prevents that the user from opening voluntarily.This structural principle is work like this: when needs change user's heating state, for example, need block certain user's heating, needing that maybe heating system is carried out thermal equilibrium regulates, when promptly each user being carried out the adjusting of KV value, insert in the keyhole (18) from the top of valve with special heating key, (6) 90 ° of rotational lock cores, the boss of the boss of lock core bottom and lock sleeve (9) staggers and breaks away from this moment, stage clip (8) pushes away lock sleeve (9) downwards at once, and the steel ball (10) in the lock sleeve (9) also moves downward, and steel ball (10) breaks away from the compressing of valve bonnet (7), be free state, and leaving the circular groove of locking element (5), valve is unblanked, and just can take away valve bonnet (7) this moment, with instrument turn valve rod (4), just KV value or throttle down can have been regulated.
Claims (5)
1. the antifreeze locking valve of an adjustable KV value mainly is made up of valve body, memory alloy, piston assembly, valve rod, locking element, lock core, valve bonnet, stage clip, lock sleeve, bonnet, antifreezing set, boosting spring, adjusting element, push rod, lock sleeve projection; It is characterized in that antifreezing set is connected with valve body by screw thread at the intracavity bottom of valve; There is a circular groove upper end of bonnet by the locking element that is threaded above the locking element; The last outside of lock sleeve is with stage clip, and following outside is connected with circle in the valve bonnet by screw thread, and after the connection, valve bonnet tightly is pressed in lock core the upper end of lock sleeve.
2. the antifreeze locking valve of adjustable KV value according to claim 1, it is characterized in that a dividing plate is arranged in the antifreezing set, there is a through hole centre of dividing plate, and a side of dividing plate has sealing gasket, the opposite side of sealing gasket is close to memory alloy, and the other end of memory alloy withstands the end in the antifreezing set; The opposite side of described dividing plate is close to push rod, and the through hole that the center bolt of push rod passes dividing plate is connected with sealing gasket; The opposite side of described push rod withstands an end of boosting spring, and the other end of boosting spring withstands adjusting element the inner, the through hole that has a water supply stream to pass through in the middle of the adjusting element, and its cylindrical is connected with antifreezing set by screw thread.
3. the antifreeze locking valve of adjustable KV value according to claim 1 is characterized in that the circular groove on the locking element is connected with the locking hole of lock sleeve by steel ball.
4. the antifreeze locking valve of adjustable KV value according to claim 1 is characterized in that the interior circle of lower end mouth of valve bonnet is the up-small and down-big conical surface.
5. the antifreeze locking valve of adjustable KV value according to claim 1 is characterized in that lock core does not rotate, and the boss of lock core bottom and the projection of lock sleeve do not stagger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460165U CN201651332U (en) | 2009-10-14 | 2009-10-14 | Antifreezing locking valve with adjustable KV value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460165U CN201651332U (en) | 2009-10-14 | 2009-10-14 | Antifreezing locking valve with adjustable KV value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651332U true CN201651332U (en) | 2010-11-24 |
Family
ID=43116568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202460165U Expired - Fee Related CN201651332U (en) | 2009-10-14 | 2009-10-14 | Antifreezing locking valve with adjustable KV value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664261A (en) * | 2019-03-08 | 2020-09-15 | 盖博肯珀金属工程有限公司 | Valve for drinking water apparatus |
-
2009
- 2009-10-14 CN CN2009202460165U patent/CN201651332U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664261A (en) * | 2019-03-08 | 2020-09-15 | 盖博肯珀金属工程有限公司 | Valve for drinking water apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20111014 |