Thermal-insulation negative-pressure-resistant fluorine-lined ball valve

Abstract

The utility model relates to the technical field of fluorine-lined ball valves, and provides a thermal-insulation negative-pressure-resistant fluorine-lined ball valve, which comprises a fluorine-lined ball valve main body, a protective hoop is clamped outside the fluorine-lined ball valve main body, a bracket is screwed on the outer wall of one side of the protective hoop, an air inlet fan is placed on the bracket, an air inlet pipe is inserted on the bracket, and the air inlet pipe is screwed on the outer wall of one side of the protective hoop. One end of the air inlet pipe is communicated with the air outlet end of the air inlet fan in an inserted manner; according to the thermal-insulation negative-pressure-resistant fluorine-lined ball valve, the fluorine-lined ball valve body is sleeved with the protective hoop, the thermal insulation effect of the protective hoop can be improved through the thermal insulation layer, low-temperature interference of the external environment is reduced, external air can be sucked into the air inlet pipe through the air inlet fan, and the air in the air inlet pipe is heated through the electric heating wire by means of the power source; and heated gas can be guided into the protective hoop along the air inlet pipe to heat and preserve heat of the fluorine-lined ball valve main body, so that the phenomenon of low-temperature crystallization of the fluorine-lined ball valve main body is avoided, and normal closing and opening of the valve are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluorine lining ball valve technical field, specifically, relates to the heat preservation anti negative pressure fluorine lining ball valve. BACKGROUND

[0002] Fluorine lining ball valve is with the ball that has circular through hole to take open and close piece, and the ball rotates with the valve rod around the valve body center line to realize the valve opening and closing, adopts the special moulding process, makes the sealing surface dense good, adds V type PTFE packing combination makes the valve reaches zero leakage, fluorine lining ball valve has certain anti negative pressure effect, and the anti negative pressure capacity of fluorine lining ball valve is mainly reflected in its design and material, and fluorine lining ball valve adopts full plastic lining process and has the characteristics of strong corrosion resistance of medium.

[0003] Through the search, the prior art (publication number: CN208024873U) a fluorine lining ball valve, in the paper, it is proposed that "including ball valve main body, valve rod and ball, the ball is arranged in the ball valve main body, the valve rod is worn in the ball valve main body inside and one end is fixedly connected on the ball, and the other end extends to the ball valve main body outside, the upper cover of the ball valve main body is arranged on the upper cover of the ball valve main body, the upper cover is located the circumferential side of valve rod and is provided with the filler groove for filler, the upper cover is still provided with the filler gland that compacts the filler, the circumferential side of the valve rod is formed with the retaining ring in the filler groove", but the prior art lacks the heat preservation effect, and the medium can crystallize because of the temperature reduction when the fluorine lining ball valve is used in low temperature environment, thereby affecting the normal closing and opening of the valve, therefore, it is necessary to design the heat preservation anti negative pressure fluorine lining ball valve. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing heat preservation anti negative pressure fluorine lining ball valve, solves the problem of fluorine lining ball valve in the related art in the use process, and the medium can crystallize because of the temperature reduction when the fluorine lining ball valve is used in low temperature environment, thereby affecting the normal closing and opening of the valve.

[0005] The technical scheme of the utility model is as follows:

[0006] The heat preservation anti negative pressure fluorine lining ball valve, including fluorine lining ball valve main body, the outside of fluorine lining ball valve main body is clamped with the protection clamp, and the outer wall of the protection clamp is screwed with the support on one side, the air inlet fan is placed on the support, the air inlet pipe is inserted on the support, and the air inlet pipe is inserted into the air outlet end of the air inlet fan in intercommunication on one end, the other end of the air inlet pipe extends to the protection clamp, the power supply is screwed in the inside of the air inlet pipe, and the electric heating wire is inserted on the power supply, the heat preservation layer is screwed in the inside of the protection clamp, and the heat dissipation assembly is arranged on the protection clamp.

[0007] Preferably, the heat dissipation assembly comprises a clamping groove, a heat dissipation hole and a sealing gasket, a pair of clamping grooves are formed in the outer wall of the two ends of the protective clamp, a plurality of heat dissipation holes are equidistantly formed in the inner part of the clamping groove, and the outer part of the clamping groove is provided with the sealing gasket through a rubber rope.

[0008] Preferably, the outer wall of the sealing gasket is equidistantly bonded with a plurality of sealing blocks, the size of the sealing block is equal to that of the heat dissipation hole, the sealing gasket is made of rubber material, and the size of the sealing gasket and the clamping groove is equal.

[0009] Preferably, the top of the air inlet fan is screwed with a controller, and the power supply is connected with the controller through a wire.

[0010] Preferably, the bottom of the protective clamp is screwed with a pair of supporting blocks on both sides, and the supporting blocks are inclined, and the supporting blocks are made of styrene butadiene rubber.

[0011] Preferably, the top of the protective clamp is fused with a pair of connecting blocks on both sides, two limiting rods are fused on a pair of the connecting blocks, two limiting blocks are installed on the other pair of the connecting blocks through a rotating shaft, and the other end of the limiting block is clamped and fixed with the limiting rod.

[0012] Preferably, the heat preservation layer is made of polyurethane foam board, and the central part of the heat preservation layer is fused with a reinforcing block.

[0013] Preferably, the protective clamp is made of ABS plastic, and the outer contour of the protective clamp is in a cylindrical shape.

[0014] The utility model discloses a kind of fluorine-lined ball valve heat preservation devices, including fluorine-lined ball valve body, protective clamp, heat preservation layer, air inlet fan, air inlet pipe, power supply, electric heating wire, heat dissipation assembly and sealing gasket.

[0015] By the protective clamp is sleeved in the outside of fluorine-lined ball valve body, the heat preservation effect of protective clamp can be improved by heat preservation layer, the low temperature interference of external environment is reduced, the external air can be sucked into air inlet pipe by air inlet fan, and the air in air inlet pipe is heated by power supply and electric heating wire, the heated gas is guided into protective clamp along air inlet pipe, and fluorine-lined ball valve body is heated and preserved, so that the low temperature crystallization of fluorine-lined ball valve body is avoided, the normal closing and opening of valve are guaranteed, and the mode can be quickly heated, the effect of ventilation, heat dissipation and cooling is achieved when fluorine-lined ball valve body is overheated, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model discloses a kind of fluorine-lined ball valve heat preservation devices, including fluorine-lined ball valve body, protective clamp, heat preservation layer, air inlet fan, air inlet pipe, power supply, electric heating wire, heat dissipation assembly and sealing gasket.

[0017] Figure 1 It is overall isometric view of the utility model;

[0018] Figure 2 It is overall vertical section view of the utility model;

[0019] Figure 3 It is the whole structure schematic view of the utility model;

[0020] Figure 4 It is the whole cross-sectional view of the utility model;

[0021] Figure 5 It is the whole front view of the utility model.

[0022] In the drawing: 1, fluorine lining ball valve main body; 2, protection clamp; 3, support; 4, air inlet fan; 5, air inlet pipe; 6, power supply; 7, heating wire; 8, heat preservation layer; 9, heat dissipation assembly; 91, clamping groove; 92, heat dissipation hole; 93, sealing gasket; 94, sealing block; 10, controller; 11, support block; 12, connecting block; 13, limiting rod; 14, limiting block; 15, reinforcing block. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0024] As Figures 1-5The embodiment shown, the heat preservation anti negative pressure fluorine lined ball valve is provided, including fluorine lined ball valve main body 1, fluorine lined ball valve main body 1 The outside of the protection clamp 2 is clamped, and the outer wall of the protection clamp 2 is screwed on one side Support 3, the support 3 is placed with the air inlet fan 4, the support 3 is inserted with the air inlet pipe 5, and the air inlet pipe 5 is inserted with the air outlet end of the air inlet fan 4 The end of the communication, the other end of the air inlet pipe 5 extends into the protection clamp 2, the inside of the air inlet pipe 5 is screwed with the power supply 6, and the power supply 6 is inserted with the heating wire 7, The inside of the protection clamp 2 is screwed with the heat preservation layer 8, the protection clamp 2 is provided with a heat dissipation assembly 9, the heat dissipation assembly 9 includes a clamping groove 91, a heat dissipation hole 92 and a sealing pad 93, The outer wall of the protection clamp 2 is provided with a pair of clamping grooves 91, and a plurality of heat dissipation holes 92 are equidistantly arranged in the clamping grooves 91, and the clamping grooves 91 are provided with sealing pads 93 by rubber rope, The sealing pad 93 can block the clamping groove 91, realize the sealing of the heat dissipation hole 92, can make the inside of the protection clamp 2 in a sealed state, reduce the heat loss, the outer wall of the sealing pad 93 is equidistantly glued with a plurality of sealing blocks 94, and the size of the sealing block 94 is equal to the size of the heat dissipation hole 92, the sealing pad 93 is made of rubber material, and the size of the sealing pad 93 and the clamping groove 91 is equal, the sealing block 94 is inserted into the heat dissipation hole 92, which can improve the sealing performance, the top of the air inlet fan 4 is screwed with the controller 10, and the power supply 6 is connected with the controller 10 by wire, The bottom of the protection clamp 2 is screwed with a pair of support blocks 11 on both sides, and the support blocks 11 are inclined, the support blocks 11 are made of butadiene styrene rubber, the support blocks 11 can improve the height of the protection clamp 2 and support the protection clamp 2, The top of the protection clamp 2 is fused with a pair of connecting blocks 12 on both sides, a pair of connecting blocks 12 are fused with two limit rods 13, another pair of connecting blocks 12 are installed with two limit blocks 14 through the rotating shaft, and the other end of the limit block 14 is clamped and fixed with the limit rod 13, by rotating the limit block 14 to connect with the limit rod 13, the protection clamp 2 can be fixed on the fluorine lined ball valve main body 1, the heat preservation layer 8 is made of polyurethane foam board, the central part of the heat preservation layer 8 is fused with a reinforcing block 15, the reinforcing block 15 can be used to shape the polyurethane foam board, so that the heat preservation layer 8 is tightly attached to the inner wall of the protection clamp 2, the protection clamp 2 is made of ABS plastic, and the outer contour of the protection clamp 2 is cylindrical, which is conducive to improving the firmness of the protection clamp 2.

[0025] In the embodiment, the power supply 6, the electric heating wire 7 and the controller 10 are all mature technologies, so they are not described in detail. In use, the protective hoop 2 is sleeved on the outside of the fluorine-lined ball valve body 1, the limiting block 14 is rotated to be connected with the limiting rod 13, the protective hoop 2 can be fixed on the fluorine-lined ball valve body 1, the heat preservation effect of the protective hoop 2 can be improved through the heat preservation layer 8, the outside air can be sucked into the air inlet pipe 5 through the air inlet fan 4, the controller 10 is started to start the power supply 6, the electric heating wire 7 heats the air in the air inlet pipe 5, the heated gas is guided into the protective hoop 2 along the air inlet pipe 5, the fluorine-lined ball valve body 1 is heated and preserved, and the phenomenon of low-temperature crystallization of the fluorine-lined ball valve body 1 is avoided, when the fluorine-lined ball valve body 1 is caused to have a temperature that is too high due to a flowing medium, the sealing gasket 93 can be taken off to be cooled through the heat dissipation hole 92, the sealing block 94 is inserted into the heat dissipation hole 92, the sealing property can be improved, the polyurethane foam board is shaped through the reinforcing block 15, and the heat preservation layer 8 is tightly attached to the inner wall of the protective hoop 2.

[0026] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A thermally insulated anti-negative pressure fluorine lined ball valve, characterized in that, The application relates to a fluorine-lined ball valve body (1), the outer part of which is clamped with a protective clamp (2), one side of the outer wall of the protective clamp (2) is screwed with a support (3), the support (3) is placed with an air inlet fan (4), the support (3) is inserted with an air inlet pipe (5), one end of the air inlet pipe (5) is inserted into the air outlet end of the air inlet fan (4) in communication, the other end of the air inlet pipe (5) extends into the protective clamp (2), the inner part of the air inlet pipe (5) is screwed with a power supply (6), the power supply (6) is inserted with an electric heating wire (7), the inner part of the protective clamp (2) is screwed with a heat preservation layer (8), and the protective clamp (2) is provided with a heat dissipation assembly (9).

2. The thermally insulated anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The heat dissipation assembly (9) comprises clamping grooves (91), heat dissipation holes (92) and sealing pads (93), the outer walls of the two ends of the protective clamp (2) are provided with a pair of clamping grooves (91), a plurality of heat dissipation holes (92) are equidistantly arranged in the inner part of the clamping groove (91), and the outer part of the clamping groove (91) is mounted with a sealing pad (93) through a rubber rope.

3. The thermally insulated anti-negative pressure fluorine lined ball valve according to claim 2, characterized in that, The outer wall of the sealing pad (93) is equidistantly glued with a plurality of sealing blocks (94), the size of the sealing block (94) is equal to that of the heat dissipation hole (92), the sealing pad (93) is made of rubber material, and the size of the sealing pad (93) and the clamping groove (91) is equal.

4. The thermally insulated anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The top of the air inlet fan (4) is screwed with a controller (10), and the power supply (6) is connected with the controller (10) through wires.

5. The thermally insulated, anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The bottom of the protective clamp (2) is screwed with a pair of supporting blocks (11) on the two sides, and the supporting blocks (11) are inclined, the supporting blocks (11) are made of styrene-butadiene rubber.

6. The thermally insulated, anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The top of the protective clamp (2) is fused with a pair of connecting blocks (12) on the two sides, two limiting rods (13) are fused on the connecting blocks (12), two limiting blocks (14) are installed on the connecting blocks (12) through rotating shafts, and the other end of the limiting block (14) is clamped and fixed with the limiting rod (13).

7. The thermally insulated, anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The heat preservation layer (8) is made of polyurethane foam board, and the central part of the heat preservation layer (8) is fused with a reinforcing block (15).

8. The thermally insulated, anti-negative pressure fluorine lined ball valve according to claim 1, characterized in that, The protective clamp (2) is made of ABS plastic, and the outer contour of the protective clamp (2) is in a cylindrical shape.

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