CN216430690U

CN216430690U - Low-temperature anti-freezing anti-cracking valve

Info

Publication number: CN216430690U
Application number: CN202122573008.5U
Authority: CN
Inventors: 韩长青
Original assignee: Jiangsu Qingyun Machinery Co ltd
Current assignee: Jiangsu Qingyun Machinery Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-03
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a freeze proof crack control valve of low temperature, which comprises a valve seat, the equal fixedly connected with connecting pipe in both sides of disk seat, the surface cover of connecting pipe is equipped with heating sleeve, heating sleeve's surface cover is equipped with protective case, the upper end surface movable mounting of disk seat has the visor, the locating hole has been seted up to the front end below of visor, front end top fixed mounting of disk seat has the fixed plate, the upper end through connection of fixed plate has the locating lever, the one end of locating lever is located the place ahead position fixedly connected with pull ring of fixed plate, the fixed position that the surface of locating lever is located the rear of fixed plate has the limiting plate, the surface cover of locating lever is equipped with reset spring. The utility model discloses can improve the security of valve, avoid the valve to freeze because of low temperature and split to can prevent to lead to damaging because of the foreign object collision in the valve use, have the practicality.

Description

Low-temperature anti-freezing anti-cracking valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a freeze proof crack control valve of low temperature.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, is a control part in a fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The existing valve has certain defects when in use, is easy to frost crack due to low temperature when in use, has poor safety effect and is easy to be damaged, and the valve is not provided with a safety protection mechanism, is easy to damage due to collision in the use process and brings certain influence on the use process, so that the low-temperature frost crack resistant valve is provided at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a low-temperature anti-freezing and anti-cracking valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a freeze crack control valve that freezes of low temperature, includes the disk seat, the equal fixedly connected with connecting pipe in both sides of disk seat, the surface cover of connecting pipe is equipped with heating sleeve, heating sleeve's surface cover is equipped with protective case, the upper end surface movable mounting of disk seat has the visor, the locating hole has been seted up to the front end below of visor, fixed mounting has the fixed plate on the front end of disk seat, the upper end through connection of fixed plate has the locating lever, the one end of locating lever is located the place ahead position fixedly connected with pull ring of fixed plate, the position fixed mounting that the surface of locating lever is located the rear of fixed plate has the limiting plate, the surface cover of locating lever is equipped with reset spring, heating sleeve's inside fixed mounting has the electrothermal tube, fixed mounting has the junction box in the middle of heating sleeve's the upper end, protective case includes heat preservation, the connecting tube, A buffer layer and a protection layer.

Preferably, one end of the connecting pipe is fixedly connected with a flange, bolt holes are formed in the outer surface of the flange, and the number of the bolt holes is a plurality of groups.

Preferably, a hinge is arranged between the rear end of the valve seat and the rear end of the protective cover, the protective cover is movably arranged at the upper end of the valve seat through the hinge, and the protective cover is made of plastic materials.

Preferably, the fixed plate is L-shaped, the locating lever runs through the fixed plate and is movably connected with the fixed plate, the limiting plate is located at a position between the protective cover and the fixed plate, and the reset spring is located at a position between the limiting plate and the fixed plate.

Preferably, the electrothermal tubes are of an annular structure, the electrothermal tubes are arranged in a plurality of groups, the electrothermal tubes are distributed in parallel, and the upper ends of the wiring tubes penetrate through the outer surface of the protective sleeve and extend to the position above the protective sleeve.

Preferably, heat preservation, buffer layer and protective layer constitute protective case by inside and outside in proper order, the heat preservation is the rock wool material, the buffer layer is the rubber material, the protective layer is the steel material.

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

1. in the utility model, through the arranged heating sleeve, the protective sleeve, the electrothermal tube, the wiring tube, the heat preservation layer, the buffer layer and the protective layer, when the valve is in a low-temperature environment, the electrothermal tube in the heating sleeve can heat the fluid passing through the valve and the connecting tube of the valve, thereby avoiding frost cracking of the valve caused by low temperature, the protective sleeve can effectively protect the valve, and simultaneously, the heat preservation and insulation are carried out, thereby preventing the valve from being excessively interfered by the external environment;

2. in the utility model, the valve is provided with the safety protection mechanism through the arranged protective cover, the hinge, the positioning hole, the fixing plate, the positioning rod, the pull ring, the limiting plate and the reset spring, when the valve is normally used, the valve is protected by the protective cover, the damage of the valve caused by the collision of foreign objects is avoided, and the use effect of the valve is better;

to sum up, the utility model discloses can improve the security of valve, avoid the valve to freeze because of low temperature and split to can prevent to lead to damaging because of the foreign object collision in the valve use, have the practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of a low-temperature anti-freezing and anti-cracking valve provided by the utility model;

fig. 2 is a schematic view of the low-temperature anti-freezing and anti-cracking valve provided by the utility model;

fig. 3 is a schematic structural diagram of a heating sleeve of a low-temperature anti-freezing and anti-cracking valve provided by the utility model;

fig. 4 is the utility model provides a protective case's of freeze crack control valve door of low temperature cross-sectional view.

In the figure: 1. a valve seat; 2. a connecting pipe; 3. heating the sleeve; 4. protecting the sleeve; 5. a flange; 6. a protective cover; 7. a hinge; 8. positioning holes; 9. a fixing plate; 10. positioning a rod; 11. a pull ring; 12. a limiting plate; 13. a return spring; 14. an electric heating tube; 15. a wire connecting pipe; 16. a heat-insulating layer; 17. a buffer layer; 18. and a protective layer.

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.

Referring to fig. 1-4, a low temperature anti-freezing and anti-cracking valve comprises a valve seat 1, wherein connecting pipes 2 are fixedly connected to both sides of the valve seat 1, the connecting pipes 2 are used for connecting fluid pipelines, so as to control the pipelines through the valve, a heating sleeve 3 is sleeved on the outer surface of each connecting pipe 2, a protective sleeve 4 is sleeved on the outer surface of each heating sleeve 3, a protective cover 6 is movably mounted on the outer surface of the upper end of the valve seat 1, a positioning hole 8 is formed below the front end of each protective cover 6, a fixing plate 9 is fixedly mounted above the front end of the valve seat 1, a positioning rod 10 is penetratingly connected to the upper end of each fixing plate 9, a pull ring 11 is fixedly connected to the position, located in front of the fixing plate 9, of the outer surface of the positioning rod 10, a limiting plate 12 is fixedly mounted to the position, located behind the fixing plate 9, of the outer surface of the positioning rod 10 is sleeved with a return spring 13, when the valve needs to be adjusted or maintained, utilize pull ring 11 to pull forward locating lever 10 on the fixed plate 9, make the rear end of locating lever 10 break away from locating hole 8 of visor 6, then open visor 6 through hinge 7 and can carry out regulation control to the valve, heating tube 3's inside fixed mounting has electrothermal tube 14, electrothermal tube 14 can heat for the fluid in connecting pipe 2 and the connecting pipe 2 when the low temperature, avoid the valve because of low temperature frost crack, fixed mounting has wire connection 15 in the middle of heating tube 3's the upper end, wire connection 15 is used for connecting the power cord, thereby provide the power for electrothermal tube 14, protective case 4 includes heat preservation 16, buffer layer 17 and protective layer 18.

Wherein, the one end fixedly connected with flange 5 of connecting pipe 2, the bolt hole has been seted up to the surface of flange 5, and the quantity of bolt hole is a plurality of groups. The flange 5 plays a role in connection, so that the connection pipe 2 and the fluid pipeline can be stably connected.

Wherein, install hinge 7 between the rear end of disk seat 1 and the rear end of visor 6 jointly, and visor 6 passes through hinge 7 movable mounting in the position of the upper end of disk seat 1, and visor 6 opens and close through hinge 7, and visor 6 is the plastics material.

Wherein, fixed plate 9 is L type structure, and locating lever 10 runs through fixed plate 9 and with fixed plate 9 swing joint, and limiting plate 12 is located the position between visor 6 and fixed plate 9, and reset spring 13 is located the position between limiting plate 12 and fixed plate 9.

Wherein, the electrothermal tube 14 is the loop configuration, and the quantity of electrothermal tube 14 is a plurality of groups, and a plurality of groups electrothermal tube 14 are parallel distribution, and the upper end of wiring pipe 15 runs through the surface of protective sleeve 4 and extends to the position of protective sleeve 4's top, has the sheetmetal to be connected between electrothermal tube 14 and the wiring pipe 15 to connect the power cord through wiring pipe 15 and can supply power for electrothermal tube 14.

Wherein, heat preservation 16, buffer layer 17 and protective layer 18 constitute protective case 4 outside by inside in proper order, and heat preservation 16 is the rock wool material, and the heat preservation 16 of rock wool material can avoid the valve to receive ambient temperature's interference, and buffer layer 17 is the rubber material, and the buffer layer 17 of rubber material can make protective case 4 have the buffering effect, and protective layer 18 of cooperation steel construction can effectually play the guard action, and protective layer 18 is the steel material.

The working principle is as follows: with valve body 1 fixed with the fluid pipeline installation through flange 5 on the connecting pipe 2, when ambient temperature is lower, electrothermal tube 14 in the heating tube 3 can heat for the fluid in connecting pipe 2 and the connecting pipe 2 when low temperature, avoid the valve because of the low temperature frost crack, fixed mounting has wiring pipe 15 in the middle of the upper end of heating tube 3, wiring pipe 15 is used for connecting the power cord, thereby provide the power for electrothermal tube 14, when the valve needs to be adjusted or maintain, utilize pull ring 11 to pull locating lever 10 on fixed plate 9 forward, make the rear end of locating lever 10 break away from locating hole 8 of visor 6, then open visor 6 through hinge 7 can carry out regulation control to the valve.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a freeze proof crack control valve of low temperature, includes disk seat (1), its characterized in that, the equal fixedly connected with connecting pipe (2) in both sides of disk seat (1), the surface cover of connecting pipe (2) is equipped with heating sleeve pipe (3), the surface cover of heating sleeve pipe (3) is equipped with protective case (4), the upper end surface movable mounting of disk seat (1) has visor (6), locating hole (8) have been seted up to the front end below of visor (6), fixed mounting has fixed plate (9) on the front end of disk seat (1), the upper end through connection of fixed plate (9) has locating lever (10), the position fixedly connected with pull ring (11) in the place ahead of fixed plate (9) is located to the one end of locating lever (10), the position fixedly mounted that the surface of locating lever (10) is located the rear of fixed plate (9) has limiting plate (12), the outer surface cover of locating lever (10) is equipped with reset spring (13), the inside fixed mounting of heating sleeve pipe (3) has electrothermal tube (14), fixed mounting has wire barrel (15) in the middle of the upper end of heating sleeve pipe (3), protective case (4) include heat preservation (16), buffer layer (17) and protective layer (18).

2. The low-temperature anti-freezing and anti-cracking valve as claimed in claim 1, wherein one end of the connecting pipe (2) is fixedly connected with a flange (5), bolt holes are formed in the outer surface of the flange (5), and the number of the bolt holes is a plurality of groups.

3. The low-temperature anti-freezing and anti-cracking valve as claimed in claim 1, wherein a hinge (7) is installed between the rear end of the valve seat (1) and the rear end of the protective cover (6), the protective cover (6) is movably installed at the upper end of the valve seat (1) through the hinge (7), and the protective cover (6) is made of plastic.

4. The low-temperature anti-freezing and anti-cracking valve according to claim 1, wherein the fixing plate (9) is of an L-shaped structure, the positioning rod (10) penetrates through the fixing plate (9) and is movably connected with the fixing plate (9), the limiting plate (12) is located between the protective cover (6) and the fixing plate (9), and the return spring (13) is located between the limiting plate (12) and the fixing plate (9).

5. The low-temperature anti-freezing and anti-cracking valve as claimed in claim 1, wherein the electric heating tubes (14) are of a ring structure, the number of the electric heating tubes (14) is a plurality of groups, the groups of the electric heating tubes (14) are distributed in parallel, and the upper end of the wiring tube (15) penetrates through the outer surface of the protective sleeve (4) and extends to a position above the protective sleeve (4).

6. The low-temperature anti-freezing and anti-cracking valve as claimed in claim 1, wherein the heat insulating layer (16), the buffer layer (17) and the protective layer (18) sequentially form the protective sleeve (4) from inside to outside, the heat insulating layer (16) is made of rock wool, the buffer layer (17) is made of rubber, and the protective layer (18) is made of steel.