CN212690975U

CN212690975U - Connecting structure for temperature control valve

Info

Publication number: CN212690975U
Application number: CN202021452666.8U
Authority: CN
Inventors: 郑申龙; 杨洪伟
Original assignee: DOUBLE-LIN CORP
Current assignee: DOUBLE-LIN CORP
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-12
Anticipated expiration: 2030-07-21

Abstract

The utility model provides a connection structure for temperature-sensing valve belongs to temperature-sensing valve technical field. It has solved the inconvenient problem that just connect the back leakproofness is not good of current temperature-sensing valve and pipe connection. This a connection structure for temperature-sensing valve, including the valve body that has water inlet and delivery port, the valve body is located water inlet and delivery port department and is provided with coupling nut one and coupling nut two respectively, coupling nut one is provided with the loose joint pipe that one end stretches into coupling nut one outward, the cover is equipped with the linkage unit on the periphery wall that the loose joint pipe is located coupling nut one, be provided with the joint ring in the coupling nut two, this coupling nut two is located and has seted up the circular conical bore on the inner wall that offsets with the joint ring, the periphery wall that the joint ring contradicts with coupling nut two is for the circular conical surface with the circular conical bore looks inconsistent complex, the joint ring is located and sets up a plurality of opening along its circumferencial direction interval distribution on the circular conical. The utility model has the advantages of convenient connection and good sealing performance.

Description

Connecting structure for temperature control valve

Technical Field

The utility model belongs to the technical field of the temperature-sensing valve, a connection structure for temperature-sensing valve is related to.

Background

A temperature control valve, a temperature control valve for short, is a typical application of a flow control valve in the field of temperature control, and has the following basic principle: the outlet temperature of the equipment is controlled by controlling the inlet flow of a heat exchanger, an air conditioning unit or other heat and cold equipment and primary heat (cold) medium. When the existing temperature control valve is connected with a pipe fitting, the existing temperature control valve is generally sealed by a sealing ring or special glue, and has the defects of poor durability, inconvenience in installation, maintenance and use and the like, and meanwhile, the problem of inconvenient connection possibly exists when the pipe fitting is connected with a valve body.

Disclosure of Invention

The utility model aims at providing a connect convenient and the good connection structure of leakproofness to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a connecting structure for a temperature control valve comprises a valve body with a water inlet and a water outlet, wherein a first connecting nut and a second connecting nut are respectively arranged at the position of the valve body at the water inlet and the water outlet, and the connecting nut is characterized in that a movable connecting pipe with one end extending into the first connecting nut and clamped and matched with the first connecting nut is arranged outside the first connecting nut, the movable connecting pipe is in contact sealing with the water inlet through the first connecting nut, a connecting unit fixedly connected with the movable connecting pipe and used for being connected with a pipe fitting is sleeved on the peripheral wall of the movable connecting pipe outside the first connecting nut, a clamping ring with two ends respectively abutting against the water outlet and the first connecting nut and allowing the pipe fitting to extend into the connecting nut is arranged in the second connecting nut, a conical hole is arranged on the inner wall abutting against the clamping ring, the peripheral wall of the clamping ring abutting against the second connecting nut is a conical surface in contact matching with the conical hole, and the clamping ring is provided with a plurality of openings which are distributed at intervals along the circumferential direction on the conical surface.

In the above-described connection structure for a thermo-valve, the connection unit is composed of a connection ring and a sealing ring gasket.

In the above connection structure for a thermostatic valve, a sealing ring gasket for enhancing sealing performance is sleeved on one end of the movable connecting pipe located in the first connecting nut.

In the above connecting structure for the temperature control valve, a sealing ring for enhancing the sealing property is arranged between the clamping ring and the water outlet of the valve body.

Compared with the prior art, this a connection structure for temperature-sensing valve has following advantage:

1. the first connecting nut is externally provided with a movable connecting pipe, one end of the movable connecting pipe extends into the first connecting nut and is in clamping fit with the first connecting nut, the movable connecting pipe is in contact sealing with the water inlet through the first connecting nut, and a connecting unit which is fixedly connected with the movable connecting pipe and is used for being connected with a pipe fitting is sleeved on the outer peripheral wall of the movable connecting pipe, which is positioned outside the first connecting nut;

2. be provided with the joint ring that both ends contradicted with delivery port and coupling nut two respectively and supply the pipe fitting to stretch into the installation in coupling nut two, this coupling nut two is located and has seted up the circular conical bore on the inconsistent inner wall with the joint ring, the periphery wall that joint ring contradicts with coupling nut two is the circular conical surface with the circular conical bore inconsistent complex, and the joint ring is located and has seted up a plurality of along its circumferencial direction interval distribution's opening on the circular conical surface, the setting of above-mentioned structure, make joint ring and pipe fitting fastening through coupling nut two, can not produce the damage to joint ring and pipe fitting simultaneously again, guarantee its life after connecting, loading and unloading are simple and easy maintenance.

Drawings

Fig. 1 is a schematic sectional view of the connecting structure for a thermo-valve according to the present invention.

In the figure, 1, a water inlet; 2. a water outlet; 3. a valve body; 4. a first connecting nut; 5. a second connecting nut; 6. a loose joint pipe; 7. a connection unit; 8. a snap ring; 9. an opening; 10. a connecting ring; 11. a sealing ring gasket; 12. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the connecting structure for the temperature control valve comprises a valve body 3 with a water inlet 1 and a water outlet 2, a connecting nut I4 and a connecting nut II 5 are respectively arranged at the positions of the valve body 3 at the water inlet 1 and the water outlet 2, a movable connecting pipe 6 with one end extending into the connecting nut I4 and matched with the connecting nut I in a clamping manner is arranged outside the connecting nut I4, the movable connecting pipe 6 is in contact sealing with the water inlet 1 in the valve body 3 through the connecting nut I4, a connecting unit 7 which is fixedly connected with the movable connecting pipe 6 and used for connecting with a pipe fitting is sleeved on the outer peripheral wall of the movable connecting pipe 6 outside the connecting nut I4, a clamping ring 8 with two ends respectively contacting with the water outlet 2 and the connecting nut II 5 in the valve body 3 and used for the pipe fitting to extend into the pipe fitting is arranged in the connecting nut II 5, the pipe fitting is fixed on the water outlet 2 of the valve body 3 through the connecting nut II 5 and the clamping ring 8, a, the outer peripheral wall of the clamping ring 8, which is abutted to the connecting nut II 5, is a conical surface which is abutted to a conical hole, the clamping ring 8 is positioned on the conical surface and is provided with a plurality of openings 9 which are distributed at intervals along the circumferential direction, the openings 9 extend to the middle part of the clamping ring 8, when a pipe fitting is inserted into the connecting nut II 5, penetrates through the clamping ring 8 and extends into the water outlet 2, the connecting nut II 5 is rotationally connected, the clamping ring 8 is fastened with the pipe fitting through the connecting nut II 5, and the connecting unit 7 consists of a connecting ring 10 which is sleeved on the movable connecting pipe 6 and is in threaded connection with the pipe fitting and a sealing ring gasket 11 which is sleeved on the movable connecting pipe 6, is clamped with the connecting ring 10 and is used for enhancing the sealing performance.

In order to further say in detail, in order to improve the leakproofness of the junction after the assembly, a tip cover that loose joint pipe 6 is located connecting nut 4 is equipped with sealing ring pad 11 that is used for strengthening the leakproofness, and valve body 3 is located the inside of water inlet 1 and offers the bell mouth of the leakproofness of being convenient for when conflicting and strengthening conflicting, is provided with sealing washer 12 of strengthening the leakproofness between joint ring 8 and the delivery port 2 of valve body 3, and the notch that supplies sealing washer 12 to install is offered to this delivery port 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A connecting structure for a temperature control valve comprises a valve body (3) with a water inlet (1) and a water outlet (2), wherein a first connecting nut (4) and a second connecting nut (5) are respectively arranged at the positions, located at the water inlet (1) and the water outlet (2), of the valve body (3), and is characterized in that a movable connecting pipe (6) with one end extending into the first connecting nut (4) and in clamping fit with the first connecting nut is arranged outside the first connecting nut (4), the movable connecting pipe (6) is in butt seal with the water inlet (1) through the first connecting nut (4), a connecting unit (7) which is fixedly connected with the movable connecting pipe (6) and used for being connected with a pipe fitting is sleeved on the outer peripheral wall, located outside the first connecting nut (4), of the movable connecting nut (6), a clamping ring (8) with two ends respectively abutting against the water outlet (2) and the second connecting nut (5) and allowing the pipe fitting to extend into the installation is arranged in the second connecting, the connecting nut II (5) is positioned on the inner wall which is in contact with the clamping ring (8) and is provided with a conical hole, the outer peripheral wall of the clamping ring (8) which is in contact with the connecting nut II (5) is a conical surface which is in contact with the conical hole and is matched with the conical hole, and the clamping ring (8) is positioned on the conical surface and is provided with a plurality of openings (9) which are distributed at intervals along the circumferential direction.

2. A coupling arrangement for a thermostatic valve according to claim 1 characterised in that the coupling unit (7) consists of a coupling ring (10) and a sealing ring gasket (11).

3. A connection arrangement for a thermo valve according to claim 1, characterised in that the end of the union pipe (6) located inside the first connection nut (4) is provided with a sealing ring gasket (11) for enhanced sealing.

4. A connection arrangement for a thermostatic valve according to claim 1 characterised in that a sealing ring (12) for enhanced sealing is provided between the snap ring (8) and the outlet (2) of the valve body (3).