CN217030006U - High-temperature-resistant and good-wear-resistance gate valve - Google Patents

Abstract

The utility model belongs to the technical field of valves, and particularly relates to a gate valve with high temperature resistance and good wear resistance, which comprises a valve body, a communicating pipe and a wear-resistant mechanism, wherein the communicating pipe is connected with the wear-resistant mechanism; the communicating pipe is fixedly connected to the top of the valve body; a cavity is formed in the communicating pipe; the cavity is communicated with the interior of the valve body; a square groove is formed in the inner wall of the bottom end of the communicating pipe; the wear-resistant mechanism is arranged in the square groove; the wear-resistant mechanism comprises a round rod, a T-shaped rod, an inclined plate, a spring, a sliding groove and a sliding block; the round rod is fixedly connected to the side wall of the square groove; the T-shaped rod is sleeved on the outer wall of the round rod and is in sliding fit with the outer wall of the round rod; the inclined plate is fixedly connected to the end part of the T-shaped rod; the spring is sleeved on the outer wall of the round rod; one end of the spring is fixedly connected to the bottom of the T-shaped rod, and the other end of the spring is fixedly connected to the side wall of the square groove; through setting up wear-resisting mechanism, when the valve clack reciprocates inside the cavity through the threaded rod, reduce and valve body inner wall direct friction, and then improved valve body work efficiency, prolonged valve body life.

Description

High-temperature-resistant and good-wear-resistance gate valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a gate valve with high temperature resistance and good wear resistance.

Background

In the industrial production field, a valve is an important device, and a gate valve is one of valves which are widely used.

The gate valve is generally applied to central air conditioning pipeline, running water pipeline and building fire control, and its mounting means is comparatively simple, only need with valve body and pipeline assembly back alright use.

Gate valve among the prior art reciprocates in the use through hand wheel and threaded rod area valve clack inside the valve body, realizes the inside liquid circulation of control valve body and the purpose that dams, and the valve clack of long-term use constantly rubs mutually with the valve body inner wall, and then makes the valve clack outer wall impaired to make the valve body leakproofness descend, reduced valve body work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that in the use process of the gate valve, the hand wheel and the threaded rod drive the valve clack to move up and down in the valve body so as to realize the purposes of controlling the liquid circulation and interception in the valve body, the valve clack used for a long time continuously rubs with the inner wall of the valve body, the outer wall of the valve clack is damaged, the sealing performance of the valve body is reduced, and the working efficiency of the valve body is reduced, the gate valve with high temperature resistance and high wear resistance is provided by the utility model.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the gate valve with high temperature resistance and good wear resistance comprises a valve body, a communicating pipe and a wear-resistant mechanism; the communicating pipe is fixedly connected to the top of the valve body; a cavity is formed in the communicating pipe; the cavity is communicated with the interior of the valve body; a square groove is formed in the inner wall of the bottom end of the communicating pipe; the wear-resistant mechanism is arranged in the square groove; the wear-resistant mechanism comprises a round rod, a T-shaped rod, an inclined plate, a spring, a sliding groove and a sliding block; the round rod is fixedly connected to the side wall of the square groove; the T-shaped rod is sleeved on the outer wall of the round rod and is in sliding fit with the outer wall of the round rod; the inclined plate is fixedly connected to the end part of the T-shaped rod; the spring is sleeved on the outer wall of the round rod; one end of the spring is fixedly connected to the bottom of the T-shaped rod, and the other end of the spring is fixedly connected to the side wall of the square groove; the sliding grooves are symmetrically formed in the side wall of the square groove; the sliding block is connected inside the sliding groove in a sliding manner; the side wall of the T-shaped rod is fixedly connected with the outer wall of the sliding block; through setting up wear-resisting mechanism, when the valve clack reciprocates inside the cavity through the threaded rod, reduce and valve body inner wall direct friction, and then improved valve body work efficiency, prolonged valve body life.

Preferably, a threaded rod is arranged inside the square groove; a hand wheel is fixedly connected to the outer wall of the top end of the threaded rod; the bottom of the threaded rod is provided with a valve clack; the valve clack is positioned in the valve body; a limiting component is arranged between the bottom of the threaded rod and the top of the valve clack; the threaded rod is in rotating connection and matching with the valve clack through a limiting component; through the hand wheel drive threaded rod rotation, the valve clack of being convenient for reciprocates in the cavity inside.

Preferably, a sealing gasket is arranged on the side wall of the inclined plate; the sealing gasket is made of rubber; the outer wall of the sealing gasket is in contact with the side wall of the valve clack; the outer wall of the valve clack can be protected by a sealing gasket.

Preferably, one side of the side wall of the square groove close to the cavity is symmetrically provided with a sealing block; the sealing block is contacted with the outer walls of the two sides of the inclined plate; through setting up sealed piece, improved the leakproofness, avoid liquid to get into inside the square groove.

Preferably, the limiting assembly comprises a fixed seat, an annular groove and a circular ring; the fixed seat is fixedly connected to the top of the valve clack; the bottom end of the threaded rod is rotatably connected inside the fixed seat; the annular groove is formed in the fixed seat; the circular ring is fixedly connected to the outer wall of the bottom end of the threaded rod and is positioned inside the annular groove; through setting up spacing subassembly, when the threaded rod takes the valve clack to reciprocate, play limiting displacement.

Preferably, the inner walls of the two ends of the valve body are provided with threads; the two sides of the top of the valve clack and the bottom of the sealing gasket are arc-shaped; and the threads are utilized to facilitate the installation of the pipeline and the valve body.

The utility model has the following beneficial effects:

1. according to the utility model, through the wear-resistant mechanism, when the valve clack rises to a certain height, the outer wall of the top of the valve clack contacts the inclined plate firstly, so that the T-shaped rod fixedly connected with the bottom of the inclined plate slides on the outer wall of the round rod and compresses the spring, because the side wall of the T-shaped rod is fixedly connected with the outer wall of the sliding block, when the T-shaped rod slides on the outer wall of the round rod, the sliding block slides in the sliding groove to play a role in supporting and fixing, and after the valve clack completely rises to a certain height, the inclined plate is attached to the outer wall of the valve clack due to the return action of the spring, so that the sealing effect is realized, meanwhile, the direct friction between the valve clack and the inner wall of the valve body is avoided, and the service life of the device is prolonged.

2. According to the utility model, the sealing gasket and the sealing block are arranged on the side wall of the inclined plate, so that the valve clack can be well protected when being in contact with the inclined plate, and the sealing block is arranged on the side wall of the square groove, so that the sealing effect is achieved when the inclined plate moves in the square groove, liquid is prevented from entering the square groove, and the working efficiency of the valve body is improved.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a main structure of the first embodiment;

FIG. 2 is a sectional view of the present embodiment;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present embodiment;

FIG. 4 is an enlarged view of the structure B in FIG. 2 according to the present embodiment;

fig. 5 is a partial sectional view of the second valve body of the present embodiment.

In the figure: 1. a valve body; 11. a cavity; 12. a square groove; 13. a threaded rod; 14. a valve clack; 15. a hand wheel; 2. a communicating pipe; 31. a round bar; 32. a T-shaped rod; 33. a sloping plate; 34. a spring; 35. a sliding slot; 36. a slider; 4. a gasket; 5. a sealing block; 61. a fixed seat; 62. an annular groove; 63. a circular ring; 7. high-temperature sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 4, the gate valve with good high temperature resistance and wear resistance comprises a valve body 1, a communicating pipe 2 and a wear-resistant mechanism; the communicating pipe 2 is fixedly connected to the top of the valve body 1; a cavity 11 is formed in the communicating pipe 2; the cavity 11 is communicated with the interior of the valve body 1; a square groove 12 is formed in the inner wall of the bottom end of the communicating pipe 2; the wear-resistant mechanism is arranged in the square groove 12; the wear-resistant mechanism comprises a round rod 31, a T-shaped rod 32, a sloping plate 33, a spring 34, a sliding groove 35 and a sliding block 36; the round rod 31 is fixedly connected with the side wall of the square groove 12; the T-shaped rod 32 is sleeved on the outer wall of the round rod 31 and is in sliding fit with the outer wall of the round rod 31; the inclined plate 33 is fixedly connected to the end part of the T-shaped rod 32; the spring 34 is sleeved on the outer wall of the round rod 31; one end of the spring 34 is fixedly connected to the bottom of the T-shaped rod 32, and the other end of the spring is fixedly connected to the side wall of the square groove 12; the sliding grooves 35 are symmetrically formed in the side wall of the square groove 12; the sliding block 36 is connected in the sliding groove 35 in a sliding manner; the side wall of the T-shaped rod 32 is fixedly connected with the outer wall of the sliding block 36; when the valve flap 14 is lifted to the inside of the cavity 11, the outer wall of the valve flap 14 is contacted and rubbed with the inner wall of the valve body 1 in the lifting process, so that the outer wall of the valve flap 14 is damaged and the sealing performance is poor, by arranging a wear-resistant mechanism in the cavity 11, when the valve flap 14 is lifted, the outer wall at the top of the valve flap 14 is firstly contacted with the inclined plate 33, so that the T-shaped rod 32 fixedly connected with the bottom of the inclined plate 33 slides on the outer wall of the round rod 31 and compresses the spring 34, because the side wall of the T-shaped rod 32 is fixedly connected with the outer wall of the sliding block 36, when the T-shaped rod 32 slides on the outer wall of the round rod 31, the sliding block 36 slides in the sliding groove 35 to play a role in supporting and fixing, after the valve flap 14 is completely lifted to the proper height, due to the restoring effect of the spring 34, make swash plate 33 and the laminating of valve clack 14 outer wall to realize sealed effect, avoid valve clack 14 direct and valve body 1 inner wall friction simultaneously, improve the life of device.

A threaded rod 13 is arranged in the square groove 12; a hand wheel 15 is fixedly connected to the outer wall of the top end of the threaded rod 13; the bottom of the threaded rod 13 is provided with a valve flap 14; the valve clack 14 is positioned inside the valve body 1; a limiting component is arranged between the bottom of the threaded rod 13 and the top of the valve clack 14; the threaded rod 13 is in rotating connection and matching with the valve clack 14 through a limiting component; during operation, in the process of using the valve body 1, in order to control the circulation and closure of the liquid in the valve body 1, the hand wheel 15 needs to be manually rotated, so that the valve clack 14 is matched with the threaded rod 13 to move downwards in the cavity 11, the valve clack 14 falls into the valve body 1, and closure of the liquid in the valve body 1 is completed, otherwise, when the valve clack 14 is in the valve body 1, the threaded rod 13 is rotated through the hand wheel 15, so that the valve clack 14 is raised in the cavity 11, and the purpose of flowing the liquid in the valve body 1 is achieved.

The side wall of the inclined plate 33 is provided with a sealing gasket 4; the sealing gasket 4 is made of rubber; the outer wall of the sealing gasket 4 is contacted with the side wall of the valve clack 14; the side wall of the square groove 12 close to one side of the cavity 11 is symmetrically provided with sealing blocks 5; the sealing blocks 5 are in contact with the outer walls of the two sides of the inclined plate 33; threads are arranged on the inner walls of the two ends of the valve body 1; the two sides of the top of the valve clack 14 and the bottom of the sealing gasket 4 are arc-shaped; during operation, through setting up sealed 4 at swash plate 33 lateral wall for valve clack 14 has played better guard action when contacting with swash plate 33, sets up sealed piece 5 at 12 lateral walls in square groove, makes swash plate 33 when the inside removal in square groove 12, has played sealed effect, avoids inside liquid enters into square groove 12, has improved valve body 1's work efficiency.

The limiting assembly comprises a fixed seat 61, an annular groove 62 and a circular ring 63; the fixed seat 61 is fixedly connected to the top of the valve clack 14; the bottom end of the threaded rod 13 is rotatably connected inside the fixed seat 61; the annular groove 62 is formed in the fixed seat 61; the circular ring 63 is fixedly connected with the outer wall of the bottom end of the threaded rod 13 and is positioned inside the annular groove 62; the during operation is through operation hand wheel 15 for threaded rod 13 rotates, because threaded rod 13 bottom is rotated and is connected inside fixing base 61, and fixing base 61 is inside to be provided with ring channel 62, again because ring 63 rigid coupling is at 13 bottom outer walls of threaded rod, and is located inside the ring channel 62, thereby make threaded rod 13 when fixing base 61 internal rotation, can play spacing effect, thereby realize the lift of valve clack 14.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, two high-temperature sealing rings 7 are disposed inside the valve body 1; the two high-temperature sealing rings 7 are positioned on two sides of the valve clack 14; during operation, through setting up high temperature sealing washer 7, after valve body 1 and pipe connection, can play sealed effect, play thermal-insulated effect to higher temperature liquid simultaneously.

The working principle is as follows: when the device is used, the valve clack 14 can be utilized to cut off liquid in the valve body 1, when the liquid in the valve body 1 needs to circulate, the valve clack 14 is lifted to the inside of the cavity 11, the outer wall of the valve clack 14 can be contacted and rubbed with the inner wall of the valve body 1 in the lifting process, and the outer wall of the valve clack 14 can be damaged in the past, so that the sealing performance is poor, by arranging the wear-resistant mechanism in the cavity 11, when the valve clack 14 is lifted, the outer wall at the top of the valve clack 14 can be firstly contacted with the inclined plate 33, so that the T-shaped rod 32 fixedly connected with the bottom of the inclined plate 33 slides on the outer wall of the round rod 31 and compresses the spring 34, because the side wall of the T-shaped rod 32 is fixedly connected with the outer wall of the sliding block 36, when the T-shaped rod 32 slides on the outer wall of the round rod 31, the sliding block 36 slides in the sliding groove 35 to play a role of supporting and fixing, after the valve clack 14 is completely lifted to a certain height, due to the return effect of the spring 34, the inclined plate 33 is attached to the outer wall of the valve clack 14, the sealing gasket 4 is arranged on the side wall of the inclined plate 33, so that the valve clack 14 is well protected when being in contact with the inclined plate 33, the sealing block 5 is arranged on the side wall of the square groove 12, so that the inclined plate 33 plays a role of sealing when moving inside the square groove 12, liquid is prevented from entering the square groove 12, and the working efficiency of the valve body 1 is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a gate valve that high temperature resistant wearability is good which characterized in that: comprises a valve body (1), a communicating pipe (2) and a wear-resistant mechanism; the communicating pipe (2) is fixedly connected to the top of the valve body (1); a cavity (11) is formed in the communicating pipe (2); the cavity (11) is communicated with the interior of the valve body (1); a square groove (12) is formed in the inner wall of the bottom end of the communicating pipe (2); the wear-resistant mechanism is arranged in the square groove (12);

the wear-resistant mechanism comprises a round rod (31), a T-shaped rod (32), a sloping plate (33), a spring (34), a sliding groove (35) and a sliding block (36); the round rod (31) is fixedly connected with the side wall of the square groove (12); the T-shaped rod (32) is sleeved on the outer wall of the round rod (31) and is in sliding fit with the outer wall of the round rod (31); the inclined plate (33) is fixedly connected to the end part of the T-shaped rod (32); the spring (34) is sleeved on the outer wall of the round rod (31); one end of the spring (34) is fixedly connected to the bottom of the T-shaped rod (32), and the other end of the spring is fixedly connected to the side wall of the square groove (12); the sliding grooves (35) are symmetrically formed in the side walls of the square groove (12); the sliding block (36) is connected inside the sliding groove (35) in a sliding manner; the side wall of the T-shaped rod (32) is fixedly connected with the outer wall of the sliding block (36).

2. The gate valve of claim 1, wherein the gate valve has high temperature resistance and high wear resistance, and is characterized in that: a threaded rod (13) is arranged in the square groove (12); a hand wheel (15) is fixedly connected to the outer wall of the top end of the threaded rod (13); the bottom of the threaded rod (13) is provided with a valve flap (14); the valve clack (14) is positioned inside the valve body (1); a limiting component is arranged between the bottom of the threaded rod (13) and the top of the valve clack (14); the threaded rod (13) is in rotating connection and matching with the valve clack (14) through a limiting component.

3. The gate valve of claim 2, wherein the gate valve has high temperature resistance and good wear resistance, and is characterized in that: a sealing gasket (4) is arranged on the side wall of the inclined plate (33); the sealing gasket (4) is made of rubber; the outer wall of the sealing gasket (4) is in contact with the side wall of the valve clack (14).

4. The gate valve of claim 3, wherein the gate valve has high temperature resistance and good wear resistance, and is characterized in that: one side of the side wall of the square groove (12) close to the cavity (11) is symmetrically provided with a sealing block (5); the sealing block (5) is in contact with the outer walls of the two sides of the inclined plate (33).

5. The gate valve of claim 4, wherein the gate valve has high temperature resistance and high wear resistance, and the gate valve further comprises: the limiting assembly comprises a fixed seat (61), an annular groove (62) and a circular ring (63); the fixed seat (61) is fixedly connected to the top of the valve clack (14); the bottom end of the threaded rod (13) is rotatably connected inside the fixed seat (61); the annular groove (62) is formed in the fixed seat (61); and the circular ring (63) is fixedly connected with the outer wall of the bottom end of the threaded rod (13) and is positioned inside the annular groove (62).

6. The gate valve of claim 5, wherein the gate valve has high temperature resistance and high wear resistance, and the gate valve further comprises: threads are arranged on the inner walls of the two ends of the valve body (1); the two sides of the top of the valve clack (14) and the bottom of the sealing gasket (4) are arc-shaped.

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