CN218954151U

CN218954151U - Anti-blocking gate valve

Info

Publication number: CN218954151U
Application number: CN202223353307.9U
Authority: CN
Inventors: 杨朗
Original assignee: Jiangsu Xiangwang Valve Co ltd
Current assignee: Jiangsu Xiangwang Valve Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to an anti-blocking gate valve, which comprises a valve body, wherein a valve cover is fixedly arranged on the upper end surface of the valve body, a valve rod is arranged in the valve cover, the valve rod is in threaded connection with the valve cover, a hand wheel is fixedly arranged at the upper end of the valve rod, a valve clack is arranged at the lower end of the valve rod and positioned in the valve body, the valve clack is positioned in a plugging opening, a cleaning pipe is fixedly arranged at the lower end surface of the plugging opening and positioned at the lower end surface of the valve body, a first conical surface is arranged at the lower end of the cleaning pipe, a second conical surface is arranged in the first conical surface, a sealing plug is fixedly arranged at one end of the second conical surface, a fixing ring is fixedly arranged at the other end of the second conical surface, a connecting column is fixedly arranged at the lower end surface of the fixing ring, a fastening nut is arranged at the connecting position of the connecting column and the cleaning pipe, and when the interior of the valve body is required to be cleaned, a user can detach the fastening nut and the sealing plug in the valve body respectively, and then the plug in the valve body can be taken out, so that the anti-blocking gate valve is convenient to use.

Description

Anti-blocking gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to an anti-blocking gate valve.

Background

Gate valves are a type of valve that is widely used in pipe network systems, also commonly referred to as gate valves or gate valves. In the gate valve, a valve rod drives a closing member (namely a valve clack) to move along the direction perpendicular to the central line of a valve seat so as to cut off and open the medium flow in a pipeline, but most of cavities of the gate valve in the prior art are of closed structures, so that the gate valve is not easy to clean and easy to block after long-term use; the water inlet pipe and the water outlet pipe at two ends of the traditional gate valve are mostly of fixed structures, and the distance between the water inlet pipe and the water outlet pipe cannot be adjusted according to the distance between the outer connecting pipes; moreover, without the filter device, if the valve is used for a long time, the valve is inevitably blocked due to rust, and the utility model provides a new solution to the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides an anti-blocking gate valve, which aims to solve the technical problems that most of cavities of the gate valve in the prior art mentioned in the background art are of a closed structure, the gate valve is not easy to clean and easy to block after long-term use.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-blocking gate valve, includes the valve body, the up end of valve body is fixed to be equipped with the valve gap, the inside of valve gap is equipped with the valve rod, valve rod and valve gap threaded connection, the fixed hand wheel that is equipped with in upper end of valve rod, the lower extreme of valve rod just is located the inside of valve body and is equipped with the valve clack, the valve clack is located the inside of shutoff mouth, the lower extreme of shutoff mouth just is located the fixed clearance pipe that is equipped with of lower terminal surface of valve body, first conical surface has been seted up to the lower extreme of clearance pipe, the inside of first conical surface is equipped with the second conical surface, the fixed sealing plug that is equipped with of one end of second conical surface, the fixed retainer plate that is equipped with of other end, the lower terminal surface of retainer plate is fixed and is equipped with the spliced pole, the junction of spliced pole and clearance pipe is equipped with fastening nut.

Preferably, the connecting pipe is all fixed to both ends of valve body, the sliding tray has all been seted up on the outer wall of connecting pipe, the inside of sliding tray all slides and is equipped with the slip cap, a side of slip cap is all fixed and is equipped with the compensation pipe, the inner wall diameter of compensation pipe is equal to the outer wall diameter of connecting pipe, the one end of compensation pipe is all fixed and is equipped with external flange, external hole has all been seted up on the external flange, is convenient for slide the compensation pipe.

In a further preferred mode, the inside of the compensation tube is provided with a filter plate, the outer wall of the filter plate is fixedly provided with a plurality of sliding blocks, the sliding blocks are arranged in a circumferential shape, the inner wall of the compensation tube is correspondingly provided with sliding grooves, and the sliding blocks are slidably mounted with the sliding grooves so as to facilitate the filtration of the iron embroidery inside the external connection tube.

In a further preferred aspect, the outer wall of the sliding block is provided with fixing holes, the inner wall of the sliding groove is provided with connecting holes correspondingly, and fixing screws are arranged in the fixing holes and the connecting holes, so that the filter plate can be detached conveniently.

In a further preferred embodiment, the first and second conical surfaces have equal inclination, so as to increase the tightness between the sealing plug and the cleaning tube.

In a further preferred embodiment, the sealing plug is located inside the cleaning tube, and the upper end surface of the sealing plug is level with the inner wall of the valve body, so that the medium can flow smoothly.

In a further preferred aspect, a pull ring is fixedly arranged on the lower end face of the connecting column, so that the sealing plug is convenient to pull out.

In a further preferred embodiment, the outer wall of the compensation tube is provided with a threaded hole, an adjusting screw is arranged in the threaded hole, one end of the adjusting screw abuts against the outer wall of the connecting tube, and the compensation tube is fixed conveniently.

(III) beneficial effects

Compared with the prior art, the utility model provides an anti-blocking gate valve, which has the following beneficial effects:

1. according to the utility model, the cleaning pipe, the first conical surface, the second conical surface, the sealing plug, the fixing ring, the connecting column and the fastening nut are arranged at the lower end of the valve body, so that when the interior of the valve body needs to be cleaned, a user can detach the fastening nut and the sealing plug respectively, and then the blockage in the valve body can be flushed out through medium flow in the valve body;

2. according to the utility model, the connecting pipe, the sliding groove, the sliding sleeve, the compensating pipe and the external flange are arranged, so that a user can conveniently adjust the length of the compensating pipe according to the distance between the external pipes, the adjusting screw is screwed down when the adjusting screw is adjusted to a proper position until the tail end abuts against the outer wall of the connecting pipe, at the moment, the compensating pipe can be fixed, and the valve body is convenient to install between the external pipes with different distances and is convenient to use;

3. according to the utility model, the filter plate, the sliding block, the sliding groove, the fixing holes, the connecting block and the fixing screws are arranged, so that rust inside an external pipeline can be blocked by the filter plate, the rust can be prevented from entering the valve body, the anti-blocking effect is achieved, and a user can detach the filter plate through the fixing screws, so that the filter plate is convenient to clean.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an anti-blocking gate valve according to the present utility model;

FIG. 2 is an exploded view of the installation of the filter plate and compensation tube of the present utility model;

FIG. 3 is an overall cross-sectional view of an anti-blocking gate valve of the present utility model;

FIG. 4 is a cross-sectional view of a compensating tube of the present utility model;

fig. 5 is a schematic view showing the positions of the sealing plug, the fixing ring, the connecting column and the pull ring on the second conical surface in the utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a hand wheel; 5. a valve flap; 6. cleaning the pipe; 7. a first conical surface; 8. a second conical surface; 9. a sealing plug; 10. a fixing ring; 11. a connecting column; 12. a fastening nut; 13. a connecting pipe; 14. a sliding groove; 15. a sliding sleeve; 16. a compensation tube; 17. an external flange; 18. an external hole; 19. a filter plate; 20. a slide block; 21. a chute; 22. a fixing hole; 23. a connection hole; 24. a fixing screw; 25. a pull ring; 26. a threaded hole; 27. and (5) adjusting a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, an anti-blocking gate valve comprises a valve body 1, wherein a valve cover 2 is fixedly arranged on the upper end face of the valve body 1, a valve rod 3 is arranged in the valve cover 2, the valve rod 3 is in threaded connection with the valve cover 2, a hand wheel 4 is fixedly arranged at the upper end of the valve rod 3, a valve clack 5 is arranged in the valve body 1, the valve clack 5 is arranged in a plugging opening, a cleaning pipe 6 is fixedly arranged at the lower end face of the plugging opening and is positioned at the lower end face of the valve body 1, a first conical surface 7 is arranged at the lower end of the cleaning pipe 6, a second conical surface 8 is arranged in the first conical surface 7, a sealing plug 9 is fixedly arranged at one end of the second conical surface 8, a fixing ring 10 is fixedly arranged at the other end of the second conical surface, a connecting column 11 is fixedly arranged at the lower end face of the fixing ring 10, and a fastening nut 12 is arranged at the joint of the connecting column 11 and the cleaning pipe 6.

In this embodiment, the connecting pipe 13 is fixed at both ends of the valve body 1, the sliding groove 14 is formed on the outer wall of the connecting pipe 13, the sliding sleeve 15 is slidably arranged in the sliding groove 14, the compensating pipe 16 is fixed on one side surface of the sliding sleeve 15, the diameter of the inner wall of the compensating pipe 16 is equal to the diameter of the outer wall of the connecting pipe 13, the external flange 17 is fixed at one end of the compensating pipe 16, the external hole 18 is formed on the external flange 17, and a user can adjust the extension length of the compensating pipe 16 through the cooperation of the sliding sleeve 15 and the sliding groove 14.

In this embodiment, the inside of the compensation tube 16 is provided with the filter plate 19, the outer wall of the filter plate 19 is fixedly provided with the sliding blocks 20, the sliding blocks 20 are provided with a plurality of sliding grooves 21, the inner wall of the compensation tube 16 is correspondingly provided with the sliding grooves 21, the sliding blocks 20 are slidably mounted with the sliding grooves 21, and rust inside the external pipeline can be filtered by the filter plate 19 so as to prevent the rust from entering the valve body 1.

In this embodiment, the outer walls of the sliding blocks 20 are provided with fixing holes 22, the inner walls of the sliding grooves 21 are provided with connecting holes 23 correspondingly, fixing screws 24 are arranged in the fixing holes 22 and the connecting holes 23, and a user can detach the filter plate 19 through the fixing screws 24.

In the present embodiment, the inclination of the first tapered surface 7 is equal to that of the second tapered surface 8, so that the sealing property between the sealing plug 9 and the cleaning tube 6 can be increased.

In this embodiment, the sealing plug 9 is located inside the cleaning tube 6, and the upper end surface of the sealing plug is level with the inner wall of the valve body 1, so that the medium inside the valve body 1 can flow more smoothly.

In this embodiment, the lower end surface of the connecting post 11 is fixedly provided with a pull ring 25, and a user can detach the sealing plug 9 through the pull ring 25.

In this embodiment, the outer wall of the compensating tube 16 is provided with a threaded hole 26, an adjusting screw 27 is disposed in the threaded hole 26, one end of the adjusting screw 27 abuts against the outer wall of the connecting tube 13, and a user can fix the compensating tube 16 through the adjusting screw 27, so as to prevent the valve body 1 from being turned upside down.

Example 2:

in sum, when the use, when need clear up the inside of valve body 1, the user can dismantle fastening nut 12 and sealing plug 9 respectively earlier, then the medium flow through valve body 1 inside can dash out the inside plug of valve body 1, this design can effectively prevent that the inside of valve body 1 from producing the jam, facilitate the use, and through setting up first conical surface 7, second conical surface 8 and retainer plate 10, thereby when the user needs to install sealing plug 9, can insert first conical surface 7's inside earlier with second conical surface 8, then screw up fastening nut 12 again, and make its inside support fastening ring 10, in order to play sealing connection's effect, and still set up sliding tray 14 on connecting pipe 13, sliding sleeve 15, compensating pipe 16 and external flange 17, thereby this design can be convenient for the user come according to the distance between the external pipe, adjust the length that compensating pipe 16 stretches out, screw is screwed up again when adjusting to suitable position, until the tail end offsets the outer wall of first conical surface 7, then with the compensating pipe 16, and make its inside of this compensating pipe 16 support the fixed knot of messenger's inside pipe 10, and the filter plate is convenient for install at the inside of this valve body 1, and the filter plate is further convenient for take off the inside pipe 1, and the filter plate is prevented from entering the inside pipe 19, and the effect of the internal connection is convenient for the use of the filter plate is carried out at the inside pipe is further to the inside 1, the filter plate is fixed to the inside is used to the inside of the valve body is prevented.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides an anti-blocking gate valve, includes valve body (1), its characterized in that: valve body (1) up end is fixed be equipped with valve gap (2), the inside of valve gap (2) is equipped with valve rod (3), valve rod (3) and valve gap (2) threaded connection, the upper end of valve rod (3) is fixed be equipped with hand wheel (4), the lower extreme of valve rod (3) just is located the inside of valve body (1) and is equipped with valve clack (5), valve clack (5) are located the inside of shutoff mouth, the lower extreme of shutoff mouth just is located the fixed clearance pipe (6) that are equipped with of lower terminal surface of valve body (1), first conical surface (7) have been seted up to the lower extreme of clearance pipe (6), the inside of first conical surface (7) is equipped with second conical surface (8), the one end of second conical surface (8) is fixed be equipped with sealing plug (9), and the other end is fixed be equipped with retainer plate (10), the lower terminal surface of retainer plate (10) is fixed be equipped with spliced pole (11), the junction of spliced pole (11) and clearance pipe (6) is equipped with fastening nut (12).

2. The anti-blocking gate valve of claim 1, wherein: connecting pipe (13) are all fixed at both ends of valve body (1), sliding tray (14) have all been seted up on the outer wall of connecting pipe (13), the inside of sliding tray (14) is all slided and is equipped with slip cap (15), a side of slip cap (15) is all fixed and is equipped with compensation pipe (16), the inner wall diameter of compensation pipe (16) equals the outer wall diameter of connecting pipe (13), the one end of compensation pipe (16) is all fixed and is equipped with external flange (17), external hole (18) have all been seted up on external flange (17).

3. The anti-blocking gate valve of claim 2, wherein: the inside of compensation pipe (16) all is equipped with filter (19), all be fixed on the outer wall of filter (19) and be equipped with slider (20), slider (20) are provided with a plurality ofly, and become the circumference and arrange, spout (21) have all been seted up to the inner wall of compensation pipe (16) all correspondence, slider (20) all with spout (21) slidable mounting.

4. A block-resistant gate valve according to claim 3, wherein: the outer wall of the sliding block (20) is provided with fixing holes (22), the inner wall of the sliding groove (21) is provided with connecting holes (23) correspondingly, and fixing screws (24) are arranged in the fixing holes (22) and the connecting holes (23).

5. The anti-blocking gate valve of claim 1, wherein: the first conical surface (7) and the second conical surface (8) have the same inclination.

6. The anti-blocking gate valve of claim 1, wherein: the sealing plug (9) is positioned in the cleaning pipe (6), and the upper end surface of the sealing plug is leveled with the inner wall of the valve body (1).

7. The anti-blocking gate valve of claim 1, wherein: the lower end face of the connecting column (11) is fixedly provided with a pull ring (25).

8. The anti-blocking gate valve of claim 2, wherein: a threaded hole (26) is formed in the outer wall of the compensation tube (16), an adjusting screw (27) is arranged in the threaded hole (26), and one end of the adjusting screw (27) abuts against the outer wall of the connecting tube (13).