CN219119907U - Gate valve with heat preservation function - Google Patents

Abstract

The utility model discloses a gate valve with a heat preservation function, which belongs to the field of gate valves, and comprises a gate valve body, wherein a water pipe is arranged at the water inlet and the water outlet of the gate valve body, a heat preservation ring is sleeved at the outer end of the joint of the gate valve body and the water pipe, the heat preservation ring comprises a lower heat preservation sleeve, a connecting shaft is arranged on the side wall of the upper end of the lower heat preservation sleeve, an upper heat preservation sleeve is arranged at the upper end of the connecting shaft, heat preservation grooves are formed between the lower heat preservation sleeve and the upper heat preservation sleeve, a pair of magnetic pads are fixedly connected at the section end of the upper heat preservation sleeve, a magnetic attraction layer matched with the magnetic pads is arranged at the section end of the lower heat preservation sleeve, a clamping block is fixedly connected above the side end of the upper heat preservation sleeve, and a clamping groove matched with the clamping block is formed at the right side of the upper end of the lower heat preservation sleeve.

Description

Gate valve with heat preservation function

Technical Field

The utility model relates to the field of gate valves, in particular to a gate valve with a heat preservation function.

Background

The gate valve is a gate plate of an opening and closing piece, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled; the gate valve is sealed by contact between the valve seat and the gate plate, and the metal materials such as 1Cr13, STL6, stainless steel and the like are usually deposited on the sealing surface to increase the wear resistance; the gate plate has a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

At present, when the gate valve is used in a low-temperature environment, the temperature in the valve is easily lost at the interfaces of the two ends, and the gate valve with the heat preservation function is installed in the valve body mostly when the heat preservation device is additionally installed, so that the gate valve cannot be overhauled conveniently when the heat preservation device fails, and the service life of the gate valve is reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the gate valve with the heat preservation function, which can realize the purpose of preserving heat at the joint of the gate valve and a pipeline through the heat preservation ring, is convenient and quick to assemble and disassemble and convenient to overhaul, can effectively reduce the temperature loss in the valve, and greatly prolongs the service life of the gate valve.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a gate valve with heat preservation function, includes the gate valve body, the water pipe is all installed to gate valve body water inlet and delivery port, gate valve body and water piping connection department outer pot head have the heat preservation ring, the heat preservation ring includes down the heat preservation cover, lower heat preservation cover upper end lateral wall installs the connecting axle, the last heat preservation cover is installed to the connecting axle upper end, the heat preservation groove has all been seted up in the middle of lower heat preservation cover and the last heat preservation cover, go up heat preservation cover cross-section end fixedly connected with a pair of magnetism pad, lower heat preservation cover cross-section end is equipped with the magnetic attraction layer with magnetism pad assorted, go up heat preservation cover side end top fixedly connected with fixture block, down heat preservation cover upper end right side has been seted up with fixture block assorted draw-in groove, the jack has been seted up in the middle of the draw-in groove, sliding connection has spacing fixture block in the middle of the fixture block, can realize carrying out the heat retaining purpose through heat preservation ring to gate valve and pipeline junction, not only easy dismounting is convenient to overhaul, simultaneously can effectually reduce the service life of gate valve inner temperature loss greatly.

Further, the magnetic pad comprises a sealing layer, the sealing layer is fixedly connected with a permanent magnetic layer, magnetic powder is filled in the permanent magnetic layer, the upper end of the permanent magnetic layer is fixedly connected with a heat preservation layer, the joint of the heat preservation ring is sealed through the sealing layer, and meanwhile the magnetic powder filled in the permanent magnetic layer is adsorbed with a magnetic attraction layer, so that the sealing effect is enhanced, the heat preservation layer is made of a material with poor heat conductivity, and therefore temperature transmission and loss are reduced.

Further, limit sliding grooves are formed in the left end and the right end of the jack, limit sliding blocks are connected in the limit sliding grooves in a sliding mode, the limit sliding blocks are fixedly connected with the limit clamping blocks, springs are installed in the limit sliding grooves, the limit clamping blocks are limited through the limit sliding blocks, and the limit clamping blocks can reset and slide by the aid of the springs.

Further, draw-in groove one end fixedly connected with pull ring is kept away from to spacing fixture block, and pull ring surface cover is equipped with the rubber circle, is convenient for apply effort pulling spacing fixture block through the pull ring, and the rubber circle can play anti-skidding guard action simultaneously.

Further, the inner wall of the heat preservation groove is fixedly connected with a heat preservation pad, the outer surface of the heat preservation pad is provided with a sealing film, the gate valve is insulated at the joint gap of the pipeline through the heat preservation pad, and the gate valve is sealed by the sealing film, so that the loss of temperature is further reduced.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the purpose of heat preservation of the junction of the gate valve and the pipeline through the heat preservation ring can be achieved, the gate valve is convenient and quick to assemble and disassemble and convenient to overhaul, meanwhile, the temperature loss in the valve can be effectively reduced, and the service life of the gate valve is greatly prolonged.

(2) The magnetic pad comprises a sealing layer, the sealing layer is fixedly connected with a permanent magnetic layer, magnetic powder is filled in the permanent magnetic layer, the upper end of the permanent magnetic layer is fixedly connected with a heat preservation layer, the joint of the heat preservation ring is sealed through the sealing layer, and meanwhile the magnetic powder filled in the permanent magnetic layer is adsorbed with a magnetic attraction layer, so that the sealing effect is enhanced, and the heat preservation layer is made of a material with poor heat conductivity, so that the temperature transmission is reduced, and the temperature loss is reduced.

(3) Limiting sliding grooves are formed in the left end and the right end of the insertion hole, limiting sliding blocks are slidably connected in the limiting sliding grooves and fixedly connected with the limiting clamping blocks, springs are mounted in the limiting sliding grooves, the limiting clamping blocks are limited through the limiting sliding blocks, and the limiting clamping blocks can reset and slide by means of the springs.

(4) Spacing fixture block is kept away from draw-in groove one end fixedly connected with pull ring, and pull ring surface cover is equipped with the rubber circle, is convenient for apply effort pulling spacing fixture block through the pull ring, and the rubber circle can play anti-skidding guard action simultaneously.

(5) The inner wall of the heat preservation groove is fixedly connected with a heat preservation pad, the outer surface of the heat preservation pad is provided with a sealing film, the gate valve is insulated at the joint gap of the pipeline through the heat preservation pad, and the gate valve is sealed by the sealing film, so that the loss of temperature is further reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of a magnetic pad portion of the present utility model;

FIG. 3 is a schematic top view of a heat retaining ring according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

The reference numerals in the figures illustrate:

1. a gate valve body; 2. a heat-insulating ring; 201. a lower insulation sleeve; 202. a connecting shaft; 203. a thermal insulation sleeve is arranged; 3. a heat preservation groove; 4. a magnetic pad; 401. a sealing layer; 402. a permanent magnetic layer; 403. a heat preservation layer; 5. a clamping block; 6. a clamping groove; 7. a limit clamping block; 8. a limit clamping groove; 9. a limit sliding block; 10. a spring; 11. a pull ring; 12. and a heat preservation pad.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1 and 3, a gate valve with heat preservation function includes a gate valve body 1, a water pipe is installed at the water inlet and the water outlet of the gate valve body 1, a heat preservation ring 2 is sleeved at the outer end of the joint of the gate valve body 1 and the water pipe, the heat preservation ring 2 comprises a lower heat preservation sleeve 201, a connecting shaft 202 is installed at the upper end side wall of the lower heat preservation sleeve 201, an upper heat preservation sleeve 203 is installed at the upper end of the connecting shaft 202, a heat preservation groove 3 is formed between the lower heat preservation sleeve 201 and the upper heat preservation sleeve 203, the heat preservation groove 3 is clamped with a flange joint, so that the heat preservation ring 2 is sleeved at the outer end of the heat preservation sleeve 2, a pair of magnetic pads 4 are fixedly connected at the section end of the upper heat preservation sleeve 203, the section end of the lower heat preservation sleeve 201 is provided with a magnetic attraction layer matched with the magnetic pads 4, the magnetic pads 4 are mutually attracted, so that the connection tightness and tightness of the upper heat preservation sleeve 203 can be effectively enhanced, a clamping block 5 is fixedly connected above the side end of the upper heat preservation sleeve 203, a clamping block 6 matched with the clamping block 5 is formed at the right side of the upper end of the lower heat preservation sleeve 201, a jack is formed in the middle of the clamping groove 6, a clamping block 7 is connected with the middle of the clamping block 6 in a sliding manner, the clamping block 7 is clamped with the middle, the clamping block 7 is clamped 5 is clamped with the clamping block 5 and is clamped with the clamping block 5, the clamping block 7 and is matched with the clamping groove 7 at the lower clamping groove 7, the clamping groove 7, and the whole temperature is matched with the clamping sleeve 5, and the whole temperature is fixedly connected with the clamping sleeve 8, and the whole by the clamping sleeve through the clamping groove 8.

Referring to fig. 2, the magnetic pad 4 includes a sealing layer 401, the sealing layer 401 is fixedly connected with a permanent magnetic layer 402, and the permanent magnetic layer 402 is filled with magnetic powder, the upper end of the permanent magnetic layer 402 is fixedly connected with an insulating layer 403, the sealing layer 401 seals the joint of the insulating ring 2, and the magnetic powder filled in the permanent magnetic layer 402 is adsorbed with a magnetic attraction layer, so as to enhance the sealing effect, and the insulating layer 403 is made of a material with poor thermal conductivity, thereby reducing temperature transmission and temperature loss.

Referring to fig. 4, the left end and the right end of the jack are both provided with a limit sliding groove, a limit sliding block 9 is slidably connected in the limit sliding groove, the limit sliding block 9 is fixedly connected with a limit clamping block 7, a spring 10 is installed in the limit sliding groove, the limit clamping block 7 is limited through the limit sliding block 9, and the limit clamping block 7 can be reset and slide by the spring 10.

The spacing fixture block 7 is kept away from draw-in groove 6 one end fixedly connected with pull ring 11, and pull ring 11 surface cover is equipped with the rubber circle, is convenient for apply effort pulling spacing fixture block 7 through pull ring 11, and the rubber circle can play anti-skidding guard action simultaneously.

With continued reference to fig. 1, the inner wall of the heat insulation groove 3 is fixedly connected with a heat insulation pad 12, and a sealing film is arranged on the outer surface of the heat insulation pad 12, so that the heat insulation pad 12 is used for insulating the gate valve at the joint gap of the pipeline and sealing the gate valve by using the sealing film, thereby further reducing the loss of temperature.

When the gate valve is used, referring to fig. 1-4, a worker pulls the limit clamping block 7 through the pull ring 11, so that the limit clamping block 7 is separated from the limit clamping groove 8, then an acting force is applied to the heat preservation ring 2, so that the clamping block 5 is separated from the clamping groove 6, further the lower heat preservation sleeve 201 is separated from the upper heat preservation sleeve 203, then the heat preservation groove 3 in the lower heat preservation sleeve 201 is clamped with the lower end of the junction of the gate valve body 1 and the pipeline flange, then the connecting shaft 202 is clamped with the upper end of the junction, meanwhile, the clamping block 5 is clamped with the clamping groove 6, then the pull ring 11 is released, under the rebound force of the spring 10, the limit clamping block 7 is clamped into the limit clamping groove 8 under the drive of the limit sliding block 9, and then the limit fixing is carried out on the clamping block 5, so that the whole heat preservation ring 2 keeps the flange junction warm.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a gate valve with heat preservation function, includes gate valve body (1), water pipe, its characterized in that are all installed to gate valve body (1) water inlet and delivery port: the gate valve body (1) is equipped with heat preservation ring (2) with water piping connection department outer pot head, heat preservation ring (2) are including lower heat preservation cover (201), connecting axle (202) are installed to lower heat preservation cover (201) upper end lateral wall, last heat preservation cover (203) are installed to connecting axle (202) upper end, heat preservation groove (3) have all been seted up in the middle of lower heat preservation cover (201) and last heat preservation cover (203), go up heat preservation cover (203) cross-section end fixedly connected with a pair of magnetic pad (4), lower heat preservation cover (201) cross-section end be equipped with magnetic pad (4) assorted magnetism inhale the layer, go up heat preservation cover (203) side top fixedly connected with fixture block (5), jack (6) with fixture block (5) assorted are seted up on lower heat preservation cover (201) upper end right side, set up the jack in the middle of jack sliding connection has spacing fixture block (7), set up spacing fixture block (8) with spacing fixture block (7) assorted in the middle of fixture block (5).

2. The gate valve with heat preservation function according to claim 1, wherein: the magnetic pad (4) comprises a sealing layer (401), wherein the sealing layer (401) is fixedly connected with a permanent magnetic layer (402), magnetic powder is filled in the permanent magnetic layer (402), and the upper end of the permanent magnetic layer (402) is fixedly connected with a heat preservation layer (403).

3. The gate valve with heat preservation function according to claim 1, wherein: limiting sliding grooves are formed in the left end and the right end of the jack, limiting sliding blocks (9) are connected in the limiting sliding grooves in a sliding mode, the limiting sliding blocks (9) are fixedly connected with limiting clamping blocks (7), and springs (10) are arranged in the limiting sliding grooves.

4. The gate valve with heat preservation function according to claim 1, wherein: the limiting clamping block (7) is fixedly connected with a pull ring (11) at one end far away from the clamping groove (6), and a rubber ring is sleeved on the outer surface of the pull ring (11).

5. The gate valve with heat preservation function according to claim 1, wherein: the inner wall of the heat preservation groove (3) is fixedly connected with a heat preservation pad (12), and a sealing film is arranged on the outer surface of the heat preservation pad (12).

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