CN218347997U

CN218347997U - Detachable temperature control valve

Info

Publication number: CN218347997U
Application number: CN202120856304.3U
Authority: CN
Inventors: 罗建英; 陈琛
Original assignee: Guangdong Henderson Metal Co ltd
Current assignee: Guangdong Henderson Metal Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2023-01-20
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to the technical field of valve body structure products, in particular to a detachable temperature control valve, which comprises a valve body, wherein the upper end of the valve body is connected with a nut cover by screw threads, one side wall of the valve body is connected with a fluid outlet pipe, and the valve body is internally provided with a valve core assembly, a temperature control assembly and a manual control assembly; the elastic element and the sealing element in the detachable temperature control valve can be replaced, so that the maintenance is convenient, and the service life of the temperature control valve is prolonged; through the design of the balanced valve body, the valve can work under larger pressure difference; the detachable temperature control valve has the advantages of simple structure, low process difficulty and relatively low manufacturing cost, and is suitable for mass production.

Description

Detachable temperature control valve

Technical Field

The utility model relates to a valve body structure product technical field specifically is a removable temperature-sensing valve.

Background

With the improvement of heat collecting system, household heat metering and chamber temperature control are implemented gradually, and the existing indoor temperature control technology mainly adopts the steps of installing an automatic temperature control valve on a radiator and achieving the purpose of controlling the indoor temperature by automatically adjusting the flow of a heat medium in the radiator. The temperature control valve is adopted to realize the control of the temperature of the separated chambers, so that the energy can be saved to the maximum extent, and the requirements of different users on indoor temperature conditions can be met.

However, the existing temperature control valve has complex process, various parts and high manufacturing cost, and is not beneficial to mass production.

Disclosure of Invention

An object of the utility model is to provide a removable temperature-sensing valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the detachable temperature control valve comprises a valve body, wherein a nut cover is in threaded connection with the upper end of the valve body, a fluid outlet pipe is connected to one side wall of the valve body, and a valve core assembly, a temperature control assembly and a manual control assembly are arranged inside the valve body.

Preferably, the valve core assembly comprises a round rod-shaped valve core, and a sealing cover and a sealing rod which are in threaded connection with the bottom of the valve core, a sealing table of an annular structure is arranged outside the sealing rod, the sealing table is fixedly connected with the inner peripheral wall of the valve body, the sealing cover is positioned above the sealing table, a pressure spring is sleeved outside the valve core, and the pressure spring is positioned between the nut cover and the sealing cover.

Preferably, the maximum outer diameter of the upper end of the sealing rod is smaller than the minimum diameter of the inner circle of the sealing table, a first accommodating groove of an annular structure is formed in the bottom of the sealing cover, a first sealing element is arranged in the first accommodating groove, and the first sealing element is located above the gap between the sealing rod and the sealing table.

Preferably, the upper end of the valve core penetrates through an inner hole of the nut cover, a second accommodating groove of an annular structure is formed in the surface of the inner hole wall of the nut cover, a second sealing element is arranged in the second accommodating groove, and the second sealing element is matched with the valve core.

Preferably, the first sealing element and the second sealing element are both rubber rings.

Preferably, the manual control assembly comprises a handle, one end of the handle is hinged to the upper end of the valve core, a gasket is fixedly connected to the upper end of the nut cover, and the bottom of the handle is in contact with the gasket.

Preferably, the temperature control assembly comprises a temperature sensing bag frame fixedly connected to the inner peripheral wall of the valve body and a temperature sensing bag of which one end is connected with the temperature sensing bag frame, and one end of the temperature sensing bag is connected with the bottom end of the sealing rod.

Preferably, the inside of the thermal bulb is filled with a thermal liquid.

Preferably, the inner end part of the nut cover is provided with a boss-shaped structure, and the boss-shaped structure is in sealing fit with the inclined plane structure on the periphery of the upper end of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

1) This removable temperature-sensing valve, its removable inside elastic element of temperature-sensing valve and sealing member are removable, and convenient maintenance has prolonged the life of temperature-sensing valve.

2) This removable temperature-sensing valve through balanced type valve body design, makes the valve can work under bigger pressure differential.

3) The detachable temperature control valve has the advantages of simple structure, low process difficulty and relatively low manufacturing cost, and is suitable for mass production.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the present invention;

the valve comprises a valve body 1, a nut cover 2, a fluid outlet pipe 3, a valve core 4, a sealing cover 5, a sealing rod 6, a sealing table 7, a sealing element I8, a pressure spring 9, a sealing element II 10, a handle 11, a gasket 12, a temperature sensing bag frame 13 and a temperature sensing bag 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The utility model discloses still have following different structural grouping:

example one

Referring to fig. 1, the present invention provides a technical solution: a detachable temperature control valve comprises a valve body 1, wherein the upper end of the valve body 1 is in threaded connection with a nut cover 2, one side wall of the valve body 1 is connected with a fluid outlet pipe 3, a valve core assembly, a temperature control assembly and a manual control assembly are arranged inside the valve body 1, a boss-shaped structure is arranged at the inner end of the nut cover 1, and the boss-shaped structure is in sealing fit with an inclined plane structure on the periphery of the upper end of the valve body 1; the nut cover 2 can be formed by processing a forged blank or a hexagonal rod, a groove is formed in the middle of the top of the nut cover and is provided with a second sealing element 10 which has a circumferential sealing effect with the valve core 4, and a threaded structure is arranged in an inner cavity of the nut cover and is meshed with the valve body 1 to be screwed up in the clockwise direction and unscrewed in the counterclockwise direction; the boss-shaped structure at the inner end part of the nut cover 2 and the inclined plane structure of the valve body 1 play a role of hard sealing.

The valve core assembly comprises a round-rod-shaped valve core 4, a sealing cover 5 and a sealing rod 6, wherein the sealing cover 5 and the sealing rod 6 are in threaded connection with the bottom of the valve core 4, a sealing table 7 of an annular structure is arranged outside the sealing rod 6, the sealing table 7 is fixedly connected with the inner peripheral wall of the valve body 1, the sealing cover 5 is positioned above the sealing table 7, a pressure spring 9 is sleeved outside the valve core 4, and the pressure spring 9 is positioned between the nut cover 2 and the sealing cover 5; the maximum outer diameter of the upper end of the sealing rod 6 is smaller than the minimum diameter of the inner circle of the sealing platform 7, a first accommodating groove of an annular structure is formed in the bottom of the sealing cover 5, a first sealing element 8 is arranged in the first accommodating groove, and the first sealing element 8 is located above the gap between the sealing rod 6 and the sealing platform 7; the upper end of the valve core 4 penetrates through an inner hole of the nut cover 2, a second accommodating groove of an annular structure is formed in the surface of the inner hole wall of the nut cover 2, a second sealing element 10 is arranged in the second accommodating groove, and the second sealing element 10 is matched with the valve core 4; the sealing cover 5 provided with the first sealing element 8, the valve core 4 and the sealing rod 6 form a valve core assembly, the first sealing element 8 and the sealing rod 6 form fixed sealing, and the valve core assembly forms movable sealing with the valve body 1 through the expansion and contraction of the pressure spring 9.

Wherein, the manual control assembly comprises a handle 11, one end of the handle 11 is hinged at the upper end of the valve core 4, the upper end of the nut cover 2 is fixedly connected with a gasket 12, and the bottom of the handle 11 is contacted with the gasket 12.

The temperature control assembly comprises a temperature sensing bag frame 13 fixedly connected to the inner peripheral wall of the valve body 1 and a temperature sensing bag 14 of which one end is connected with the temperature sensing bag frame 13, and one end of the temperature sensing bag 14 is connected with the bottom end of the sealing rod 6; the inside of the thermal bulb 14 is filled with a thermal liquid; one end of the temperature sensing bag 14 is connected with the valve core assembly, and the other end is fixed on the temperature sensing bag frame 13; when the temperature of the temperature sensing bulb 14 changes, the volume of the temperature sensing liquid expands or contracts along with the change; when the temperature sensing liquid expands, the valve core component is pushed to open the temperature control valve upwards, and the flow of the refrigerant is increased; when the temperature sensing liquid contracts, the pressure spring 9 resets to push the valve core component to close the temperature control valve, and the flow of the refrigerant is reduced.

Wherein, the first sealing element 8 and the second sealing element 10 are both rubber rings.

Principle of operation

According to the detachable temperature control valve, the sealing cover 5 provided with the first sealing element 8 is in threaded connection with the sealing rod 6 through the valve core 4 to form a valve core assembly, and the valve core assembly changes the opening degree and adjusts the flow under the action of the pressure spring 9 and the temperature sensing bulb 14.

When the temperature sensing liquid expands, the valve core component is pushed to open the temperature control valve upwards, and the flow of the refrigerant is increased; when the temperature sensing liquid contracts, the pressure spring 9 resets to push the valve core component to close the temperature control valve, and the flow of the refrigerant is reduced.

When the temperature control valve needs to be repaired, the nut cover 2 is unscrewed in the anticlockwise direction, and then the valve body 1 can be opened and the internal parts can be maintained or replaced.

When the temperature control valve needs to be manually controlled, the opening and closing of the temperature control valve can be realized by rotating the handle 11.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The detachable temperature control valve comprises a valve body (1) and is characterized in that the upper end of the valve body (1) is in threaded connection with a nut cover (2), a fluid outlet pipe (3) is connected to one side wall of the valve body (1), and a valve core assembly, a temperature control assembly and a manual control assembly are arranged inside the valve body (1).

2. A detachable temperature control valve according to claim 1, wherein the valve core assembly comprises a round rod-shaped valve core (4), and a sealing cover (5) and a sealing rod (6) which are in threaded connection with the bottom of the valve core (4), a sealing table (7) with an annular structure is arranged outside the sealing rod (6), the sealing table (7) is fixedly connected with the inner peripheral wall of the valve body (1), the sealing cover (5) is positioned above the sealing table (7), a pressure spring (9) is sleeved outside the valve core (4), and the pressure spring (9) is positioned between the nut cover (2) and the sealing cover (5).

3. A detachable temperature control valve according to claim 2, characterized in that the maximum outer diameter of the upper end of the sealing rod (6) is smaller than the minimum diameter of the inner circle of the sealing platform (7), the bottom of the sealing cover (5) is provided with a first accommodating groove with an annular structure, a first sealing element (8) is arranged in the first accommodating groove, and the first sealing element (8) is positioned above the gap between the sealing rod (6) and the sealing platform (7).

4. A detachable temperature control valve according to claim 2, characterized in that the upper end of the valve core (4) penetrates through the inner hole of the nut cap (2), the surface of the inner hole wall of the nut cap (2) is provided with a second accommodating groove of an annular structure, a second sealing element (10) is arranged in the second accommodating groove, and the second sealing element (10) is matched with the valve core (4).

5. A removable temperature control valve according to claim 3, wherein the first sealing member (8) and the second sealing member (10) are both rubber rings.

6. A removable temperature controlled valve according to claim 1, characterized in that the manual control assembly comprises a handle (11), one end of the handle (11) is hinged on the upper end of the valve core (4), a gasket (12) is fixedly connected on the upper end of the nut cap (2), and the bottom of the handle (11) is in contact with the gasket (12).

7. A detachable temperature control valve according to claim 1, wherein the temperature control assembly comprises a temperature sensing bag frame (13) fixedly connected to the inner peripheral wall of the valve body (1) and a temperature sensing bag (14) with one end connected with the temperature sensing bag frame (13), and one end of the temperature sensing bag (14) is connected with the bottom end of the sealing rod (6).

8. A removable temperature controlled valve according to claim 7, wherein the inside of the bulb (14) is filled with a temperature sensitive liquid.

9. A removable temperature control valve according to claim 1, wherein the inner end of the nut cap (2) is provided with a boss-like formation which sealingly engages with a ramp formation on the periphery of the upper end of the valve body (1).