CN217056338U

CN217056338U - Stop valve convenient for injecting heat medium

Info

Publication number: CN217056338U
Application number: CN202220684685.6U
Authority: CN
Inventors: 项策; 倪海宁; 汪德维
Original assignee: Yadeng Valve Pipe Fittings Co ltd
Current assignee: Yadeng Valve Pipe Fittings Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-26
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a stop valve convenient for injecting heat medium, which comprises an execution handle, a valve body, a valve cover, a valve core and a valve rod; an inner groove is formed in the valve body, a heat medium conducting component is arranged in the inner groove, and a heat preservation chamber and a communication channel are formed in the valve body; the heat medium conducting component comprises a left shell and a right shell, a guide channel is arranged between the lower ends of the left shell and the right shell, a sliding block, a left cavity and a right cavity are arranged in the left shell and the right shell, and the left cavity is provided with an injection port; a left spring is arranged in the left cavity, a right spring is arranged in the right cavity, and the elastic acting force of the right spring is greater than that of the left spring; the right chamber is provided with an outlet; the right chamber is always communicated with the leading-in channel. The utility model has the advantages of it is following and effect: the heat medium is injected/discharged by arranging the heat medium conducting component, and the heat preservation chamber is arranged in the valve body to contain the heat medium, so that the heat preservation purpose is achieved by the temperature rise in the valve body, and the heat preservation effect is better.

Description

Stop valve convenient for injecting heat medium

Technical Field

The utility model relates to the technical field of valves, in particular to stop valve convenient to pour into hot-medium into.

Background

The stop valve is also called a gate valve and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve core to force a sealing surface not to leak.

When the traditional valve stop works in a low-temperature environment for a long time, the residual medium is easy to freeze or crystallize, so that the valve rod is difficult to move. The prior art generally wraps the whole valve body with heat insulation material to achieve the purpose of heat insulation, but the heat insulation effect is poor, and the heat insulation material needs to be manually unfolded to wrap the whole valve body, so that the steps are very complicated. Therefore, the existing requirements are not met, and a stop valve convenient for injecting heat medium is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stop valve convenient to pour into hot-medium into to solve the problem that proposes in the background art.

The above technical object of the present invention can be achieved by the following technical solutions: a stop valve convenient for injecting a heat medium comprises an execution handle, a valve body, a valve cover, a valve core and a valve rod, wherein the valve cover is arranged at the upper end of the valve body;

an inner groove is arranged at the upper end of the valve body, a heat medium conducting component is fixedly arranged in the inner groove, a heat preservation chamber is arranged in the valve body, a connecting channel is arranged between the heat medium conducting component and the heat preservation chamber of the valve body, and the heat medium is transmitted between the heat medium conducting component and the heat preservation chamber through the connecting channel;

the heat medium conducting component comprises a shell, the shell is formed by splicing a left shell and a right shell, a bolt is inserted into the upper ends of the left shell and the right shell to fix the left shell and the right shell, an introduction channel connected with the communication channel is arranged between the lower ends of the left shell and the right shell, the introduction channel is communicated with the communication channel, and a side cover is fixedly arranged on the right side of the right shell;

the left shell and the right shell are internally provided with transverse stroke holes, the stroke holes are provided with sliding blocks in a sliding manner, the sliding blocks separate the stroke holes to form a left cavity and a right cavity, the upper end of the left cavity is provided with an injection hole, the left shell is internally provided with an injection hole which communicates the injection hole with the outside, and a heat medium is injected into the injection hole to push the sliding blocks to the right, so that the left cavity is communicated with the guide-in channel, and the purpose of transmitting the heat medium to the heat preservation chamber is achieved;

in addition, a left spring is arranged in the left chamber in a compression mode, a right spring is arranged in the right chamber in a compression mode, the elastic acting force of the right spring is larger than that of the left spring, so that the sliding block can be pushed leftwards to seal the left chamber in an initial state, and the purpose of cutting off the left chamber to be communicated with the guide channel is achieved;

the upper end of the right chamber is provided with a discharge port, and the right shell is internally provided with a discharge hole for communicating the discharge port with the outside; the right chamber is always communicated with the guide-in channel.

The further setting is as follows: the right-hand member of sliding block fixed be provided with the ladder groove, and right side casing on the fixed stopper that is provided with, through the purpose that reaches spacing sliding block with the counterbalance in ladder groove, in order to guarantee right cavity communicate with each other with leading-in way all the time.

The further setting is as follows: the upper port of leading-in way department fixedly be provided with a support flat board, the support flat board play the effect of supporting and guide sliding block, the left side of support flat board seted up a plurality of filtration pores to the hot-medium can let in to leading-in way through the filtration pore.

The further setting is that: a control valve for communication/interception is connected to the discharge hole.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in realize the injection of hot medium/discharge through setting up hot medium conduction component to set up the heat preservation room in the valve body and hold hot medium, reach heat retaining purpose through the inside intensification of valve body from this, the heat preservation effect is better, and hot medium conduction component has the convenient advantage of injection of hot medium/discharge.

2. The utility model discloses casing in the hot medium conduction component is formed by the left casing of detachable and the concatenation of right casing, easy to assemble, dismantlement, and the stroke hole in the casing is separated by the sliding block and is formed left cavity and right cavity to promote the sliding block through the cooperation of left spring and right spring and move, have novel structure, advantage that can self return.

Specifically, in an initial state, because the elastic acting force of the right spring is greater than that of the left spring, the right spring can push the sliding block to seal the left cavity, so that the purpose of cutting off the communication between the left cavity and the guide channel is achieved; when a user injects heat medium gas through the injection hole, the heat medium gas gradually fills the left cavity to increase the air pressure in the left cavity, and the sliding block is pushed to the right, so that the left cavity is communicated with the guide-in channel, and the purpose of transmitting the heat medium to the heat preservation chamber is achieved; the discharge of the heat medium gas can be achieved through the discharge port.

3. The utility model discloses in the cooperation through ladder groove and stopper, reach the purpose of spacing sliding block to guarantee that right cavity communicates with each other with leading-in way all the time, thereby avoid the unable exhaust phenomenon of hot medium gas in the heat preservation room to take place.

4. The utility model discloses in play the effect of supporting and guide sliding block through setting up the support flat board, avoid sliding block to overturn and take place to the condition of leading-in way, and set up the filtration pore on the support flat board to the hot-medium can let in to leading-in the way through the filtration pore.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

In the figure: 11. an execution handle; 12. a valve body; 13. a valve cover; 14. a valve core; 15. a valve stem; 16. a flow channel; 21. a heat preservation chamber; 22. a communicating channel; 23. an introduction path; 31. an inner tank; 41. a left housing; 42. a right housing; 43. a sliding block; 44. a side cover; 51. a left chamber; 52. a right chamber; 53. a left spring; 54. a right spring; 61. an injection port; 62. an injection hole; 63. an outlet port; 64. a discharge hole; 65. a control valve; 71. a stepped groove; 72. a limiting block; 81. supporting the flat plate; 82. and (5) filtering holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a stop valve convenient for injecting a heat medium includes an actuating handle 11, a valve body 12, a valve cover 13, a valve core 14 and a valve rod 15, wherein the valve cover 13 is covered on the upper end of the valve body 12, a valve cavity is formed in the valve body 12 in a penetrating manner, the valve rod 15 is longitudinally arranged in the valve cavity in a penetrating manner, the actuating handle 11 is connected to the upper end of the valve rod 15 and can drive the valve rod 15) to longitudinally reciprocate, the valve core 14 is arranged at the lower end of the valve rod 15 in a linking manner, and a flow passage 16 is formed in the valve body 12. The basic structure of the stop valve is described above, which belongs to the prior art and is not further described here.

An inner groove 31 is arranged at the upper end of the valve body 12, a heat medium conducting component is fixedly arranged in the inner groove 31, a heat preservation chamber 21 is arranged in the valve body 12, a connecting channel 22 is arranged between the heat medium conducting component and the heat preservation chamber 21 of the valve body 12, and the heat medium is transmitted between the heat medium conducting component and the heat preservation chamber 22 through the connecting channel 22;

the heat medium conducting member comprises a shell formed by splicing a left shell 41 and a right shell 42, a bolt is inserted into the upper ends of the left shell 41 and the right shell 42 to fix the left shell 41 and the right shell 42, an introduction channel 23 connected with the communication channel 22 is arranged between the lower ends of the left shell 41 and the right shell 42, the introduction channel 23 is communicated with the communication channel 22, and a side cover 44 is fixedly arranged on the right side of the right shell 42;

transverse stroke holes are formed in the left shell 41 and the right shell 42, a sliding block 43 is arranged in the stroke holes in a sliding manner, the sliding block 43 separates the stroke holes to form a left cavity 51 and a right cavity 52, an injection hole 61 is formed in the upper end of the left cavity 51, an injection hole 62 for communicating the injection hole 61 with the outside is formed in the left shell 41, and a heat medium is injected into the injection hole 62 to push the sliding block 43 to the right, so that the left cavity 51 is communicated with the guide channel 23, and the purpose of transmitting the heat medium to the heat preservation chamber 21 is achieved;

in addition, a left spring 53 is arranged in the left chamber 51 in a compression mode, a right spring 54 is arranged in the right chamber 52 in a compression mode, and the elastic acting force of the right spring 54 is larger than that of the left spring 53, so that the sliding block 43 can be pushed leftwards to seal the left chamber 51 in an initial state, and the purpose of cutting off the communication between the left chamber 51 and the guide-in channel 23 is achieved;

a discharge port 63 is formed at the upper end of the right chamber 52, and a discharge hole 64 for communicating the discharge port 63 with the outside is formed in the right housing 42; the right chamber 52 is always in communication with the inlet duct 23.

A stepped groove 71 is fixedly arranged at the right end of the sliding block 43, a limit block 72 is fixedly arranged on the right shell 42, and the purpose of limiting the sliding block 43 is achieved by the limit block 72 abutting against the stepped groove 71, so that the right chamber 52 is always communicated with the guide-in channel 23.

Wherein, a supporting plate 81 is fixedly arranged at the upper port of the guide channel 23, the supporting plate 81 plays a role of supporting and guiding the sliding block 43, and a plurality of filtering holes 82 are arranged on the left side of the supporting plate 81, so that the heat medium can be introduced into the guide channel 23 through the filtering holes 82.

A communication/shutoff control valve 65 is connected to the discharge opening 64.

The utility model discloses a theory of operation does:

in an initial state, because the elastic acting force of the right spring 54 is greater than that of the left spring 53, the right spring 54 can push the sliding block 43 to seal the left chamber 51, so that the purpose of cutting off the communication between the left chamber 51 and the guide channel 23 is achieved; when a user injects the heat medium gas through the injection hole 62, the heat medium gas gradually fills the left chamber 51 to increase the air pressure in the left chamber 51, and pushes the sliding block 43 to the right, so that the left chamber 51 is communicated with the guide channel 23, and the purpose of transmitting the heat medium to the heat preservation chamber 21 is achieved; the discharge of the heat medium gas is realized through the discharge port 63.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A stop valve convenient for injecting a heat medium comprises an execution handle (11), a valve body (12), a valve cover (13), a valve core (14) and a valve rod (15), wherein the valve cover (13) is arranged at the upper end of the valve body (12) in a covering manner, the valve body (12) is internally provided with a valve cavity in a penetrating manner, the valve rod (15) is longitudinally arranged in the valve cavity in a penetrating manner, the execution handle (11) is connected at the upper end of the valve rod (15) and can drive the valve rod (15) to longitudinally reciprocate, the valve core (14) is arranged at the lower end of the valve rod (15) in a linkage manner, and a flow channel (16) is formed in the valve body (12); the method is characterized in that:

an inner groove (31) is arranged at the upper end of the valve body (12), a heat medium conducting component is fixedly arranged in the inner groove (31), a heat preservation chamber (21) is arranged in the valve body (12), a connecting channel (22) is arranged between the heat medium conducting component and the heat preservation chamber (21) of the valve body (12), and the heat medium is transmitted between the heat medium conducting component and the heat preservation chamber through the connecting channel (22);

the heat medium conducting component comprises a shell, the shell is formed by splicing a left shell (41) and a right shell (42), a bolt is inserted into the upper ends of the left shell (41) and the right shell (42) to fix the left shell and the right shell, an introduction channel (23) connected with the communication channel (22) is arranged between the lower ends of the left shell (41) and the right shell (42), the introduction channel (23) is communicated with the communication channel (22), and a side cover (44) is fixedly arranged on the right side of the right shell (42);

transverse stroke holes are formed in the left shell (41) and the right shell (42), a sliding block (43) is arranged in the stroke holes in a sliding manner, the stroke holes are separated by the sliding block (43) to form a left cavity (51) and a right cavity (52), an injection hole (61) is formed in the upper end of the left cavity (51), an injection hole (62) for communicating the injection hole (61) with the outside is formed in the left shell (41), and a heat medium is injected into the injection hole (62) to push the sliding block (43) to the right, so that the left cavity (51) is communicated with the guide channel (23) to achieve the purpose of transmitting the heat medium to the heat preservation chamber (21);

in addition, a left spring (53) is arranged in the left chamber (51) in a compression mode, a right spring (54) is arranged in the right chamber (52) in a compression mode, the elastic acting force of the right spring (54) is larger than that of the left spring (53), so that the sliding block (43) can be pushed leftwards to seal the left chamber (51) in an initial state, and the purpose of cutting off the communication between the left chamber (51) and the guide channel (23) is achieved;

a discharge hole (63) is formed in the upper end of the right chamber (52), and a discharge hole (64) for communicating the discharge hole (63) with the outside is formed in the right shell (42); the right chamber (52) is always communicated with the guide channel (23).

2. A shut-off valve for facilitating the injection of a thermal medium as defined in claim 1, wherein: the right end of sliding block (43) fixed be provided with ladder groove (71), and right casing (42) on fixed be provided with stopper (72), through stopper (72) and the purpose that reaches spacing sliding block (43) with the counterbalance in ladder groove (71), in order to guarantee right cavity (52) communicate with each other with introduction way (23) all the time.

3. A shut-off valve for facilitating the injection of a thermal medium as defined in claim 1, wherein: the last port department of leading in way (23) fixed be provided with a support flat board (81), support flat board (81) play the effect of supporting and guide sliding block (43), the left side of support flat board (81) seted up a plurality of filtration pores (82) to the heat medium can let in to leading in way (23) through filtration pore (82).

4. A shut-off valve for facilitating the injection of a thermal medium in accordance with claim 1, wherein: a control valve (65) for communication/shutoff is connected to the discharge opening (64).