CN112728201A

CN112728201A - Temperature control valve

Info

Publication number: CN112728201A
Application number: CN202011617005.0A
Authority: CN
Inventors: 段井胜; 孟秋英; 朱尚旺
Original assignee: Individual
Current assignee: Taizhou Kingsten Valve Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-30
Anticipated expiration: 2040-12-30
Also published as: CN112728201B

Abstract

The invention discloses a temperature control valve which comprises a valve body, wherein an upper valve hole and a lower valve hole which are coaxial are sequentially arranged in the valve body from top to bottom, and a shoulder is formed between the lower end of the upper valve hole and the upper end of the lower valve hole; the left side surface and the right side surface of the valve body are symmetrically provided with a water inlet and a water outlet which are communicated with the upper valve hole, the upper valve hole is internally connected with a valve sleeve in a sliding manner, the upper end of the upper valve hole of the valve body is fixedly provided with a retaining ring for preventing the valve sleeve from being separated from the upper valve hole, and a first spring for forcing the valve sleeve to move upwards is arranged between the shoulder and the valve sleeve in the upper valve hole; a temperature control valve element assembly is inserted in the valve sleeve and used for controlling the connection or disconnection of the water inlet and the water outlet, and a valve lock assembly is fixedly arranged in the lower valve hole; the temperature control valve has the advantages of simple structure, compact volume, convenient installation and maintenance, and on-line cleaning and maintenance of the valve rod and the valve block.

Description

Temperature control valve

Technical Field

The invention belongs to the technical field of heating valves, and particularly relates to a temperature control valve.

Background

With the implementation of the improvement of welfare heating policy, various temperature control valves for regulating the indoor temperature of buildings are also introduced into common people. The existing indoor temperature control technology mainly adopts an automatic temperature control valve arranged on a radiator, and achieves the purpose of controlling the indoor temperature by automatically adjusting the flow of a heat medium in the radiator. Because the general heating water quality is poor and a large amount of sundries are mixed, after the temperature control valve operates for a period of time, the valve core and the valve sleeve of the temperature control valve are blocked and lose the control function; in addition, the valve rod in the temperature control valve continuously and repeatedly acts in the sealing ring for a long time, so that the sealing ring is abraded, and finally, the heat medium is leaked; in order to clean and maintain the temperature control valve, only the heating is stopped first and then the temperature control valve is detached from the radiator, which brings great inconvenience to the use and maintenance of the heating system. The invention patent with application number CN200910076164.1 and name of 'temperature control valve capable of being cleaned and maintained on line' discloses a temperature control valve, which can realize on-line cleaning, but has the following disadvantages:

(1) when the valve sleeve needs to be cleaned, the adjusting button is manually rotated firstly, the valve sleeve is rotated by 90 degrees, and then the valve core is taken out, so that the valve sleeve is troublesome to operate, only the valve core can be cleaned, and the valve sleeve cannot be cleaned;

(2) when the valve sleeve rotates 90 degrees, the valve sleeve is sealed by means of the gap between the valve sleeve and the inner hole of the valve body, and water in the water inlet and the water outlet flows to the outside through the gap between the valve sleeve and the inner hole of the valve body, so that leakage and waste are caused.

Disclosure of Invention

The invention aims to provide a temperature control valve which has simple structure, compact volume and convenient installation and maintenance and can clean and maintain a valve rod and a valve block on line.

In order to achieve the purpose, the invention provides the following technical scheme: a temperature control valve comprises a valve body, wherein an upper valve hole and a lower valve hole which are coaxial are sequentially arranged in the valve body from top to bottom, and a shoulder is formed between the lower end of the upper valve hole and the upper end of the lower valve hole; the left side surface and the right side surface of the valve body are symmetrically provided with a water inlet and a water outlet which are communicated with the upper valve hole, the upper valve hole is internally connected with a valve sleeve in a sliding manner, the upper end of the upper valve hole of the valve body is fixedly provided with a retaining ring for preventing the valve sleeve from being separated from the upper valve hole, and a first spring for forcing the valve sleeve to move upwards is arranged between the shoulder and the valve sleeve in the upper valve hole; the temperature control valve core assembly is connected in the valve sleeve and used for controlling the connection or disconnection of the water inlet and the water outlet, the valve lock assembly is fixedly arranged in the lower valve hole, when the valve lock assembly is used for locking the temperature control valve core assembly, the valve sleeve moves downwards to compress the first spring to control the connection of the water inlet and the water outlet, and when the valve lock assembly is used for unlocking the temperature control valve core assembly, the valve sleeve moves upwards under the action of the first spring to control the connection of the water inlet and the water outlet.

Furthermore, the valve lock assembly comprises a lower positioning rod, a lower sliding hole is formed in the lower end of a lower valve hole in the valve body downwards along the vertical direction, the lower positioning rod is connected in the lower sliding hole in a sliding mode, a locking block is rotatably connected above the lower positioning rod in the lower valve hole through a hinge shaft, a first positioning groove, a second positioning groove and a locking hook are arranged on the locking block, a tension spring is arranged between the lower positioning rod and the locking block, the upper end of the tension spring is connected with the locking block, the lower end of the tension spring is connected with the lower positioning rod, and the lower positioning rod is pulled to move downwards to drive the locking block to rotate around the hinge shaft through the tension; when the locking block is rotated to the locking position, the upper end of the lower positioning rod is propped in the first positioning groove, and when the locking block is rotated to the unlocking position, the upper end of the lower positioning rod is propped in the second positioning groove.

Furthermore, a limiting sliding groove communicated with the lower sliding hole is formed in the valve body in the vertical direction, and a shifting rod extending out of the limiting sliding groove is fixedly arranged on the side face of the lower positioning rod.

Furthermore, the temperature control valve element assembly comprises a valve block, the valve block is inserted into the valve sleeve, a convex shoulder is arranged on the inner side wall of the valve sleeve, and the lower end of the valve block is abutted against the convex shoulder when the valve block is inserted into the valve sleeve; the lower end of the valve block is provided with a connecting plate, and a lock rod is fixedly arranged on the connecting plate; when the locking block is rotated to the locking position, the locking hook is hooked on the locking rod, and when the locking block is rotated to the unlocking position, the locking hook is separated from the locking rod; a valve cavity with an opening at the upper end is arranged in the valve block, a valve port is arranged at the bottom of the valve cavity in the valve block, a plug is fixedly arranged at the opening at the upper end of the valve cavity, a valve rod is connected in the plug in a sliding manner, a temperature control head is fixedly arranged at the upper end of the plug, the upper end of the valve rod is positioned in the temperature control head, the lower end of the valve rod is positioned in the valve cavity, and a sealing ring for controlling the on-off of the valve; the upper end of the valve rod is fixedly provided with a spring piece, a second spring between the spring piece and the plug is sleeved on the valve rod, the second spring is used for forcing the valve rod to move upwards, and when the temperature rises, the temperature control head controls the valve rod to move downwards.

Furthermore, the outer side of the valve block is provided with an upper ring groove communicated with the valve cavity and a lower ring groove communicated with the valve port; the inner side wall of the upper valve hole is provided with an upper second ring groove communicated with the water outlet and a lower second ring groove communicated with the water inlet; the side wall of the valve sleeve is provided with an upper through hole and a lower through hole, when the lock hook is hooked on the lock rod, the upper through hole communicates the upper annular groove with the upper annular groove, and the lower through hole communicates the lower annular groove with the lower annular groove; when the lock hook is separated from the lock rod, the upper through hole is completely staggered with the upper annular groove and the upper two annular grooves, and the lower through hole is completely staggered with the lower annular groove and the lower two annular grooves.

Furthermore, an upper hole for communicating the upper ring groove with the valve cavity and a lower hole for communicating the valve port with the lower ring groove are arranged in the valve block; and the valve body is internally provided with an upper two holes for communicating the upper two ring grooves with the water outlet and a lower two holes for communicating the lower two ring grooves with the water inlet.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

(1) the temperature control valve element assembly is of an integral structure and can be integrally inserted into the valve body, so that the temperature control valve element assembly can be integrally detached for cleaning and maintenance;

(2) when the temperature control valve core assembly needs to be cleaned and maintained, the valve sleeve can enable the water inlet and the water outlet to be automatically closed only by pulling the shifting rod down and then pulling the temperature control valve core assembly out, and water in the water inlet and the water outlet cannot leak to the outside;

(3) when the temperature control valve core assembly is installed in and removed from the valve body, the temperature control valve core assembly only needs to be inserted and pulled out, does not need to be rotated for multiple circles like the prior art, and is simpler and quicker to install and remove.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention, when the present invention is in a normal use state;

FIG. 2 is a schematic structural view of the temperature control valve core assembly after disassembly in an embodiment of the present invention;

fig. 3 is a schematic structural view of a temperature control valve core assembly in an embodiment of the invention.

Detailed Description

Referring to fig. 1-3, a temperature control valve includes a valve body 1, an upper valve hole 1a and a lower valve hole 1b which are coaxial are sequentially arranged in the valve body 1 from top to bottom, and a shoulder 1c is formed between the lower end of the upper valve hole 1a and the upper end of the lower valve hole 1 b; the left side surface and the right side surface of the valve body 1 are symmetrically provided with a water inlet 1d and a water outlet 1e which are communicated with an upper valve hole 1a, the upper valve hole 1a is internally and slidably connected with a valve sleeve 3, the upper end of the upper valve hole 1a of the valve body 1 is fixedly provided with a baffle ring 2 for preventing the valve sleeve 3 from being separated from the upper valve hole 1a, and a first spring 4 for forcing the upward movement of the valve sleeve 3 is arranged between a shoulder 1c and the valve sleeve 3 in the upper valve hole 1 a; the temperature control valve core assembly 8 is inserted in the valve sleeve 3, the temperature control valve core assembly 8 is used for controlling connection or disconnection of the water inlet 1d and the water outlet 1e, the valve lock assembly is fixedly arranged in the lower valve hole 1b, when the valve lock assembly is used for locking the temperature control valve core assembly 8, the valve sleeve 3 moves downwards to compress the first spring 4 to control the water inlet 1d and the water outlet 1e to be connected, and when the valve lock assembly is used for unlocking the temperature control valve core assembly 8, the valve sleeve 3 moves upwards under the action of the first spring 4 to control the water inlet 1d and the water outlet 1e to be disconnected.

The valve lock assembly comprises a lower positioning rod 7, a lower sliding hole 1f is formed in the lower end of a lower valve hole 1b in the valve body 1 in the downward direction, the lower positioning rod 7 is connected in the lower sliding hole 1f in a sliding mode, a locking block 5 is connected above the lower positioning rod 7 in the lower valve hole 1b in a rotating mode through a hinge shaft 71, a first positioning groove 51, a second positioning groove 5a and a lock hook 53 are formed in the locking block 5, a tension spring 6 is arranged between the lower positioning rod 7 and the locking block 5, the upper end of the tension spring 6 is connected with the locking block 5, the lower end of the tension spring 6 is connected with the lower positioning rod 7, and the lower positioning rod 7 is pulled to move downwards to drive the locking block 5 to rotate around the hinge shaft 71 through the; when the lock block 5 is rotated to the locking position, the upper end of the lower positioning rod 7 abuts against the first positioning groove 51, and when the lock block 5 is rotated to the unlocking position, the upper end of the lower positioning rod 7 abuts against the second positioning groove 5 a. A limiting sliding groove 1g communicated with the lower sliding hole 1f is arranged in the valve body 1 along the vertical direction, and a shifting rod 70 extending out of the limiting sliding groove 1g is fixedly arranged on the side face of the lower positioning rod 7.

The temperature control valve element assembly 8 comprises a valve block 81, the valve block 81 is inserted into the valve sleeve 3, a shoulder 8a is arranged on the inner side wall of the valve sleeve 3, and when the valve block 81 is inserted into the valve sleeve 3, the lower end of the valve block 81 is abutted against the shoulder 8 a; a connecting plate 86 is arranged at the lower end of the valve block 81, and a locking rod 87 is fixedly arranged on the connecting plate 86; when the lock block 5 rotates to the locking position, the lock hook 53 is hooked on the lock rod 87, and when the lock block 5 rotates to the unlocking position, the lock hook 53 is separated from the lock rod 87; a valve cavity 8b with an opening at the upper end is arranged in the valve block 81, a valve port 813 is arranged at the bottom of the valve cavity 8b in the valve block 81, a plug 8c is fixedly installed at the opening at the upper end of the valve cavity 8b, a valve rod 82 is slidably connected in the plug 8c, a temperature control head 84 is fixedly arranged at the upper end of the plug 8c, the upper end of the valve rod 82 is positioned in the temperature control head 84, the lower end of the valve rod 82 is positioned in the valve cavity 8b, and a sealing ring 85 for controlling the on-off of the valve port 813 is arranged; the upper end of the valve rod 82 is fixedly provided with a spring piece 8d, a second spring 83 positioned between the spring piece 8d and the plug 8c is sleeved on the valve rod 82, the second spring 83 is used for forcing the valve rod 82 to move upwards, and when the temperature rises, the temperature control head 84 controls the valve rod 82 to move downwards.

The outer side of the valve block 81 is provided with an upper ring groove 811 communicated with the valve cavity 8b and a lower ring groove 815 communicated with the valve port 813; the inner side wall of the upper valve hole 1a is provided with an upper double ring groove 101 communicated with the water outlet 1e and a lower double ring groove 102 communicated with the water inlet 1 d; the side wall of the valve sleeve 3 is provided with an upper through hole 31 and a lower through hole 32, when the lock hook 53 is hooked on the lock rod 87, the upper through hole 31 communicates the upper annular groove 811 with the upper annular groove 101, and the lower through hole 32 communicates the lower annular groove 815 with the lower annular groove 102; when the latch hook 53 is disengaged from the latch bar 87, the upper through hole 31 is completely misaligned with the upper ring groove 811 and the upper two ring grooves 101, and the lower through hole 32 is completely misaligned with the lower ring groove 815 and the lower two ring grooves 102. An upper hole 812 for communicating the upper ring groove 811 with the valve cavity 8b and a lower hole 814 for communicating the valve port 813 with the lower ring groove 815 are formed in the valve block 81; an upper two-hole 103 for communicating the upper two-ring groove 101 with the water outlet 1e and a lower two-hole 104 for communicating the lower two-ring groove 102 with the water inlet 1d are arranged in the valve body 1.

As shown in fig. 1, when the present invention is used normally, hot water flows into the water outlet 1e from the water inlet 1d through the lower two holes 104, the lower two ring grooves 102, the lower through hole 32, the lower ring groove 815, the lower hole 814, the valve port 813, the valve cavity 8b, the upper hole 812, the upper ring groove 811, the upper through hole 31, the upper two ring grooves 101, and the upper two holes 103 in sequence, when the indoor temperature is too high, the temperature control head 84 gradually expands to push the valve rod 82 to drive the sealing ring 85 to gradually move downward, and the upper opening of the valve port 813 is gradually reduced until it is closed; when the indoor temperature is reduced, the temperature control head 84 begins to contract again, the sealing ring 85 is away from the upper opening of the valve port 813 again under the action of the second spring 83, the flow of the hot water is increased, and the process is repeated in this way, so that the indoor temperature is maintained within a certain range.

When the temperature control plug-in unit needs to be cleaned or maintained, the shifting rod 70 is pulled downwards, the shifting rod 70 drives the lower positioning rod 7 to move downwards, the lower positioning rod 7 is separated from the first positioning groove 51, the locking block 5 rotates anticlockwise to an unlocking position under the action of the tension spring 6, the locking hook 53 is separated from the locking rod 87, and at the moment, the valve block 81 is pulled outwards; meanwhile, when the valve block 81 is pulled out upward, the valve housing 3 moves upward to close the water inlet 1d and the water outlet 1e under the action of the first spring 4. The water inlet 1d and the water outlet 1e are isolated from each other, and hot water in the water inlet 1d and the water outlet 1e cannot leak to the outside, so that the temperature control plug-in unit can be cleaned or maintained on line.

After cleaning or maintenance, the valve block 81 is directly inserted into the valve housing 3, the lock rod 87 acts on the driving part 52 of the lock block 5 to push the lock block 5 to rotate clockwise, so that the lock rod 87 gradually enters the lock hook 53, when the lock block 5 rotates to a locking position, the first positioning groove 51 is right opposite to the lower positioning rod 7, the lower positioning rod 7 extends into the first positioning groove 51 under the action of the tension spring 6, the lock block 5 cannot rotate, and then the valve block 81 cannot be pulled out, and installation is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A temperature control valve is characterized by comprising a valve body, wherein an upper valve hole and a lower valve hole which are coaxial are sequentially arranged in the valve body from top to bottom, and a shoulder is formed between the lower end of the upper valve hole and the upper end of the lower valve hole; the left side surface and the right side surface of the valve body are symmetrically provided with a water inlet and a water outlet which are communicated with the upper valve hole, the upper valve hole is internally connected with a valve sleeve in a sliding manner, the upper end of the upper valve hole of the valve body is fixedly provided with a retaining ring for preventing the valve sleeve from being separated from the upper valve hole, and a first spring for forcing the valve sleeve to move upwards is arranged between the shoulder and the valve sleeve in the upper valve hole; the temperature control valve core assembly is connected in the valve sleeve and used for controlling the connection or disconnection of the water inlet and the water outlet, the valve lock assembly is fixedly arranged in the lower valve hole, when the valve lock assembly is used for locking the temperature control valve core assembly, the valve sleeve moves downwards to compress the first spring to control the connection of the water inlet and the water outlet, and when the valve lock assembly is used for unlocking the temperature control valve core assembly, the valve sleeve moves upwards under the action of the first spring to control the connection of the water inlet and the water outlet.

2. The temperature control valve according to claim 1, wherein the valve lock assembly comprises a lower positioning rod, a lower sliding hole is formed in the lower end of a lower valve hole in the valve body in the downward direction, the lower positioning rod is connected in the lower sliding hole in a sliding manner, a locking block is rotatably connected above the lower positioning rod in the lower valve hole through a hinge shaft, a first positioning groove, a second positioning groove and a locking hook are arranged on the locking block, a tension spring is arranged between the lower positioning rod and the locking block, the upper end of the tension spring is connected with the locking block, the lower end of the tension spring is connected with the lower positioning rod, and the lower positioning rod is pulled to move downwards to drive the locking block to rotate around the hinge shaft through the tension spring; when the locking block is rotated to the locking position, the upper end of the lower positioning rod is propped in the first positioning groove, and when the locking block is rotated to the unlocking position, the upper end of the lower positioning rod is propped in the second positioning groove.

3. The thermostatic valve according to claim 2, wherein a limiting sliding groove is vertically formed in the valve body and is communicated with the lower sliding hole, and a driving rod extending out of the limiting sliding groove is fixedly arranged on the side surface of the lower positioning rod.

4. The thermostatic valve according to claim 2, wherein the thermostatic cartridge assembly comprises a valve block, the valve block is inserted into a valve sleeve, the inner side wall of the valve sleeve is provided with a shoulder, and the lower end of the valve block abuts against the shoulder when the valve block is inserted into the valve sleeve; the lower end of the valve block is provided with a connecting plate, and a lock rod is fixedly arranged on the connecting plate; when the locking block is rotated to the locking position, the locking hook is hooked on the locking rod, and when the locking block is rotated to the unlocking position, the locking hook is separated from the locking rod; a valve cavity with an opening at the upper end is arranged in the valve block, a valve port is arranged at the bottom of the valve cavity in the valve block, a plug is fixedly arranged at the opening at the upper end of the valve cavity, a valve rod is connected in the plug in a sliding manner, a temperature control head is fixedly arranged at the upper end of the plug, the upper end of the valve rod is positioned in the temperature control head, the lower end of the valve rod is positioned in the valve cavity, and a sealing ring for controlling the on-off of the valve; the upper end of the valve rod is fixedly provided with a spring piece, a second spring between the spring piece and the plug is sleeved on the valve rod, the second spring is used for forcing the valve rod to move upwards, and when the temperature rises, the temperature control head controls the valve rod to move downwards.

5. The thermostatic valve according to claim 4, wherein the valve block has an upper ring groove on the outside thereof for communicating with the valve chamber and a lower ring groove for communicating with the valve port; the inner side wall of the upper valve hole is provided with an upper second ring groove communicated with the water outlet and a lower second ring groove communicated with the water inlet; the side wall of the valve sleeve is provided with an upper through hole and a lower through hole, when the lock hook is hooked on the lock rod, the upper through hole communicates the upper annular groove with the upper annular groove, and the lower through hole communicates the lower annular groove with the lower annular groove; when the lock hook is separated from the lock rod, the upper through hole is completely staggered with the upper annular groove and the upper two annular grooves, and the lower through hole is completely staggered with the lower annular groove and the lower two annular grooves.

6. The thermostatic valve according to claim 5, wherein an upper hole for communicating the upper ring groove and the valve chamber and a lower hole for communicating the valve port and the lower ring groove are provided in the valve block; and the valve body is internally provided with an upper two holes for communicating the upper two ring grooves with the water outlet and a lower two holes for communicating the lower two ring grooves with the water inlet.