Telescopic gate valve

Abstract

The utility model discloses a telescopic gate valve which comprises a gate valve body and a first connecting pipe fixedly installed on the side face of the gate valve body, when a pipeline on one side is short and is inconvenient to connect with the gate valve, a sliding block on the side wall of a second connecting pipe can be pulled outwards at the moment, and the sliding block is pulled to slide outwards along an open groove at the same time; when the sliding block is pulled to the position where the second connecting pipe can be pulled, the second connecting pipe can be pulled outwards, when the second connecting pipe is pulled to the proper position, the second connecting pipe can be connected with a pipeline needing to be connected, and in order to prevent the second connecting pipe from moving after connection, the sliding block can be pushed inwards along the open groove again. According to the telescopic gate valve, the second connecting pipe can be pulled to be in butt joint with a connecting pipeline when the connecting pipeline is short, fixation and fixation cancelling between the first connecting pipe and the second connecting pipe can be completed by pulling the sliding blocks, and the telescopic gate valve is simple and practical in structure.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to a telescopic gate valve. Background Technology

[0002] A gate valve is an opening and closing element consisting of a gate. The direction of the gate's movement is perpendicular to the direction of fluid flow. Gate valves can only be fully open or fully closed; they cannot be used for regulation or throttling. Gate valves achieve sealing through the contact between the valve seat and the gate. Typically, the sealing surface is overlaid with metal material to increase wear resistance. Gates can be rigid or resilient. Based on the type of gate, gate valves are classified as rigid gate valves or resilient gate valves.

[0003] Most existing gate valves are fixed, one-piece structures. When replacing gate valves in pipelines, the spacing between pipelines changes, making it difficult or impossible to install the new gate valve. The old gate valve needs to be disassembled and replaced with a new, compatible one, which is a cumbersome process and affects construction efficiency.

[0004] Therefore, we propose a telescopic gate valve to solve the problems mentioned above. Utility Model Content

[0005] This utility model provides a telescopic gate valve, which solves the problem mentioned in the background art that most existing gate valves are fixed integrated structures. When the gate valve between pipelines is replaced, the distance between the pipelines will change, making it difficult or even impossible to install the new gate valve. The old gate valve needs to be disassembled and replaced with a new and suitable gate valve, which is a cumbersome operation process and affects the construction efficiency.

[0006] This utility model provides the following technical solution: a telescopic gate valve, including a gate valve body and a connecting pipe 1 fixedly installed on the side of the gate valve body. The side wall of the connecting pipe 1 is provided with a plurality of sliding grooves equidistantly, and protruding teeth are fixedly installed in each of the plurality of sliding grooves equidistantly. The outer wall of the connecting pipe 1 is slidably connected to a connecting pipe 2, the side wall of the connecting pipe 2 is provided with slots equidistantly, and sliders are slidably connected in each of the slots.

[0007] As an optional solution of this utility model, the side wall of the second connecting pipe is equidistantly connected with a plurality of threaded rods, and the plurality of threaded rods are respectively rotatably connected in the slot.

[0008] As an optional solution of this utility model, one end of each of the plurality of sliders is provided with a locking tooth, which can cooperate with the protruding tooth to complete the fixation.

[0009] As an optional solution of this utility model, each of the plurality of sliders is provided with a threaded hole, and the threaded rod is threadedly connected to the slider.

[0010] As an optional solution of this utility model, wherein: the connecting pipe is provided with equidistant sliding grooves 2, and a connecting rod is slidably connected in each of the sliding grooves 2.

[0011] As an optional solution of this utility model, a connecting block is fixedly installed on one side wall of each of the connecting rods, and the connecting blocks are fixedly installed on the inner wall of the connecting pipe.

[0012] As an optional embodiment of this utility model, the first connecting pipe and the second connecting pipe have the same length, and the connecting rod can be completely slidable into the second sliding groove.

[0013] This utility model has the following beneficial effects:

[0014] 1. When one side of the pipe is too short to easily connect to the gate valve, the slider on the side wall of the connecting pipe can be pulled outwards. Simultaneously, the slider should be pulled outwards along the groove until the connecting pipe can be pulled. Once the connecting pipe is in the appropriate position, it can be connected to the desired pipe. To prevent the connecting pipe from moving after connection, the slider can be pushed inwards along the groove again until it abuts the teeth, thus fixing the connecting pipe to the first pipe. This telescopic gate valve allows the connecting pipe to be pulled to connect with the first pipe when the connecting pipe is short. The fixing and unfixing of the connecting pipe can be completed by pulling the slider. The structure is simple and practical.

[0015] 2. With the cooperation of the gate valve body, connecting pipe one, slide groove one, convex tooth, slide groove two, connecting pipe two, slot, threaded rod, slider, threaded hole, locking tooth, connecting rod and connecting block, this device achieves better fixing effect between connecting pipe one and connecting pipe two through the cooperation between locking tooth and convex tooth. By setting multiple connecting rods, the movement of connecting pipe two is more stable when it is pulled, and it will not tilt. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention during stretching.

[0017] Figure 2 This is a schematic diagram of the overall longitudinal cross-sectional structure of the present invention during stretching.

[0018] Figure 3 This is a schematic diagram of the overall transverse cross-sectional structure of the present invention during stretching.

[0019] Figure 4 This is a schematic diagram of the overall structure of the present invention during contraction.

[0020] Figure 5 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0021] In the diagram: 1. Gate valve body; 2. Connecting pipe one; 21. Slide groove one; 22. Raised tooth; 23. Slide groove two; 3. Connecting pipe two; 31. Slotted; 32. Threaded rod; 33. Sliding block; 34. Threaded hole; 35. Clamping tooth; 36. Connecting rod; 37. Connecting block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figure 1 - Figure 3 A telescopic gate valve includes a gate valve body 1 and a connecting pipe 2 fixedly installed on the side of the gate valve body 1. The side wall of the connecting pipe 2 is provided with a plurality of sliding grooves 21 at equal intervals. The sliding grooves 21 are all fixedly installed with protruding teeth 22 at equal intervals. The outer wall of the connecting pipe 2 is slidably connected to a connecting pipe 3. The side wall of the connecting pipe 3 is provided with slots 31 at equal intervals. The slots 31 are all slidably connected to sliders 33.

[0025] When one side of the pipe is too short to easily connect to the gate valve, the slider 33 on the side wall of the connecting pipe 2 3 can be pulled outwards. Simultaneously, the slider 33 is pulled outwards along the slot 31. When the slider 33 is pulled to a position where the connecting pipe 2 3 can be pulled, the connecting pipe 2 3 can be pulled outwards. When the connecting pipe 2 3 is pulled to a suitable position, the connecting pipe 2 3 can be connected to the pipe to be connected. To prevent the connecting pipe 2 3 from moving after connection, the slider 33 can be pushed inwards along the slot 31 again. Pushing the slider 33 inwards until it abuts the protrusion 22 completes the fixation between the connecting pipe 2 3 and the connecting pipe 1 2. This device can pull the connecting pipe 2 3 to connect when the connecting pipe is short. By pulling the slider 33, the fixation and unfixation between the connecting pipe 1 2 and the connecting pipe 2 3 can be completed. The structure is simple and practical.

[0026] Example 2

[0027] Please see Figure 2 - Figure 5A number of threaded rods 32 are rotatably connected at equal intervals to the side wall of the connecting pipe 2 3. The threaded rods 32 are rotatably connected in the slot 31. With the cooperation between the connecting pipe 2 3, the threaded rods 32 and the slot 31, the threaded rods 32 can rotate on the side wall of the connecting pipe 2 3.

[0028] Each of the sliders 33 has a locking tooth 35 at one end. The locking tooth 35 can cooperate with the protruding tooth 22 to complete the fixation. With the cooperation between the slider 33, the locking tooth 35 and the protruding tooth 22, the cross-combination between the locking tooth 25 and the protruding tooth 22 can better fix the connecting tube 1 2 and the connecting tube 2 3.

[0029] Each of the sliders 33 has a threaded hole 34. The threaded rod 32 is threadedly connected to the slider 33. With the cooperation between the slider 33, the threaded hole 34 and the threaded rod 32, rotating the threaded rod 32 can drive the slider 33 to move.

[0030] The connecting pipe 2 is provided with equidistant sliding grooves 23. Each of the sliding grooves 23 is slidably connected to a connecting rod 36. With the cooperation between the connecting pipe 2, the sliding grooves 23 and the connecting rods 36, the connecting rods 36 can slide within the sliding grooves 23.

[0031] A connecting block 37 is fixedly installed on one side wall of each of the connecting rods 36. The connecting blocks 37 are fixedly installed on the inner wall of the connecting pipe 2 3. With the cooperation between the connecting rods 36, the connecting blocks 37 and the connecting pipe 2 3, the connecting rods 36 can make the movement of the connecting pipe 2 3 more stable.

[0032] The first connecting pipe 2 and the second connecting pipe 3 are of the same length. The connecting rod 36 can slide completely into the second sliding groove 23. With the cooperation between the first connecting pipe 2, the second connecting pipe 3, the connecting rod 36 and the second sliding groove 23, when stretching is required, the length can be stretched to a longer length than the original length through the second connecting pipe 3.

[0033] When it is necessary to extend the length of the pipe connected to the side of the gate valve, the threaded rods 32 on both sides of the connecting pipe can be rotated simultaneously. The rotation of the threaded rods 32 drives the slider 33 upward along the threaded hole 34. When the slider 33 is pulled upward until the retaining teeth 35 and the protruding teeth 22 are no longer in contact and do not affect the pulling of the connecting pipe 3, the connecting pipe 3 can be pulled towards the pipe to be connected. The connecting pipe 3 is pulled and the connecting rod 36 slides in the sliding groove 23. When the connecting pipe 3 is pulled until it contacts the pipe to be connected, the connection between the connecting pipe 3 and the pipe can be made. After the connection is completed, the threaded rod 32 can be rotated again. The rotation of the threaded rod 32 drives the slider 33 to push it into the slide groove 21 again. The slider 33 is pushed until the locking tooth 35 at one end contacts the protruding tooth 22. The locking and fixing between the connecting tube 2 and the connecting tube 3 is completed by the cooperation between the two. The device has a better fixing effect between the connecting tube 2 and the connecting tube 3 through the cooperation between the locking tooth 35 and the protruding tooth 22. By setting multiple connecting rods 36, the movement of the connecting tube 3 can be more stable when it is pulled, and it will not tilt.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A telescopic gate valve, comprising a gate valve body (1) and a connecting pipe (2) fixedly installed on the side of the gate valve body (1), characterized in that: The side wall of the connecting pipe 1 (2) is provided with a plurality of sliding grooves 1 (21) at equal intervals. Each of the sliding grooves 1 (21) is fixedly installed with protruding teeth (22) at equal intervals. The outer wall of the connecting pipe 1 (2) is slidably connected to the connecting pipe 2 (3). The side wall of the connecting pipe 2 (3) is provided with slots (31) at equal intervals. Each of the slots (31) is slidably connected to the slider (33).

2. The telescopic gate valve according to claim 1, characterized in that: The side wall of the connecting pipe 2 (3) is equidistantly connected to a number of threaded rods (32), and the number of threaded rods (32) are respectively rotatably connected in the slot (31).

3. A telescopic gate valve according to claim 2, characterized in that: Each of the sliders (33) has a locking tooth (35) at one end, which can cooperate with the protruding tooth (22) to complete the fixation.

4. A telescopic gate valve according to claim 3, characterized in that: Each of the sliders (33) has a threaded hole (34), and the threaded rod (32) is threadedly connected to the slider (33).

5. A telescopic gate valve according to claim 4, characterized in that: The connecting pipe 1 (2) is provided with equidistant sliding grooves 2 (23), and a connecting rod (36) is slidably connected in each of the sliding grooves 2 (23).

6. A telescopic gate valve according to claim 5, characterized in that: A connecting block (37) is fixedly installed on one side wall of each of the connecting rods (36), and the connecting blocks (37) are fixedly installed on the inner wall of the connecting pipe (3).

7. A telescopic gate valve according to claim 6, characterized in that: The first connecting pipe (2) has the same length as the second connecting pipe (3), and the connecting rod (36) can slide completely into the second sliding groove (23).

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