Top-drive manual plug valve

Abstract

The utility model relates to the technical field of plug valves, and particularly discloses a top-drive manual plug valve which comprises a connecting block, a valve body and a valve seat fixedly connected to the bottom of the valve body, a valve rod is rotationally connected in the valve body, a groove is formed in the top of the valve body, an inserting groove is formed in the bottom of the inner wall of the groove, and the valve rod is connected with the inserting groove. By arranging the valve body, the clamping block, the clamping groove, the valve rod, the connecting rod, the connecting block and the fixing assembly, the connecting block rotates, the clamping block is driven by the connecting rod to rotate, the valve rod is driven by the clamping block to rotate, the valve rod is driven by the clamping block to rotate, and the valve rod is driven by the clamping block to rotate. And the clamping block is clamped into the clamping groove, the fixing assembly limits the clamping block, shaking of the clamping block during rotation can be reduced, and the stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plug valve, specifically a kind of top drive manual plug valve. BACKGROUND

[0002] Top drive manual plug valve is a kind of operation form of top drive plug valve, it is mainly controlled by hand operation to open and close valve, and top drive manual plug valve is a kind of drilling tool, usually installed on top drive, by manually rotating valve stem to drive plug body to rotate in valve body, to realize the opening, closing or regulating flow of fluid passage.

[0003] The prior art patent No.CN210106646U discloses a manual plug valve, which comprises a valve stem and a ball body. In use, a user first inserts a connecting rod into the interior of the valve stem. A limiting block has a clamping groove at its top end, which facilitates clamping of clamping rods on both sides of the connecting rod. The user can conveniently rotate the valve stem by a handle, which in turn drives the ball body to rotate. When the circular hole on the ball body is aligned with the water inlet and water outlet on both sides of the valve seat, the plug valve is in water flow. A threaded block is rotatably arranged in the interior of the valve seat. The interior of the threaded block is provided with a screen, which prevents large floating objects or impurities in the water from blocking the valve seat and affecting the use of the plug valve. The front wall of the valve seat is provided with a glass layer, which facilitates observation by the user.

[0004] The above-mentioned device uses the clamping rod of the connecting rod to clamp in the clamping groove, thereby driving the valve stem to drive the ball body to rotate. However, the clamping rod clamped in the clamping groove has poor stability, and dust is easily accumulated in the clamping groove, making it difficult for the clamping rod to be clamped in the clamping groove. To solve the above problems, a top drive manual plug valve is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a top drive manual plug valve to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A top drive manual plug valve comprises a connecting block, a valve body and a valve seat fixedly connected to the bottom of the valve body. The valve body is rotatably connected with a valve stem. The top of the valve body is provided with a recess. The bottom of the inner wall of the recess is provided with a plug-in groove. The bottom of the connecting block is fixedly connected with a connecting rod. The bottom of the connecting rod is fixedly connected with a clamping block. The top of the valve stem is provided with a clamping groove for clamping the clamping block. The bottom of the valve stem is fixedly connected with a valve plate. The valve plate is rotatably connected in the valve seat. The recess is provided with a fixing assembly for fixing the clamping block.

[0008] The valve body is provided with a guide assembly for guiding rotation of the clamping block, and a cover plate is hinged to one side of the valve body, and the valve body is provided with a positioning assembly for positioning the cover plate.

[0009] In an alternative, the fixing assembly comprises a limiting plate and two groups of fixing grooves, the limiting plate is fixedly connected to the connecting rod, the two groups of fixing grooves are formed in the limiting plate, two groups of fixing blocks are clamped in the fixing grooves, the bottom of each fixing block is fixedly connected with a sliding block, the bottom of the inner wall of the groove is provided with a sliding groove for matching the sliding of the two groups of sliding blocks, and the two groups of sliding blocks are connected by a spring.

[0010] In an alternative, the guide assembly comprises a positioning block and a positioning groove, the positioning block is fixedly connected to the bottom of the limiting plate, and the positioning groove is formed in the top of the valve body.

[0011] In an alternative, the positioning assembly comprises a first mounting plate and a second mounting plate, the first mounting plate is fixedly connected to one side of the cover plate, the second mounting plate is fixedly connected to one side of the valve body, the first mounting plate and the second mounting plate are overlapped, one side of the first mounting plate is fixedly connected with a mounting block, the second mounting plate is provided with a mounting groove for matching the clamping of the mounting block, the mounting block is provided with a mounting hole, and the mounting hole is threadedly connected with a bolt.

[0012] In an alternative, the valve rod is fixedly connected with a guide ring, and the valve body is provided with a guide groove for matching the rotation of the guide ring.

[0013] In an alternative, the connecting block is provided with a handle.

[0014] Compared with the prior art, the valve body has the advantages that:

[0015] The valve body, the clamping block, the clamping groove, the valve rod, the connecting rod, the connecting block and the fixing assembly are arranged, the connecting block is rotated, the clamping block is driven to rotate through the connecting rod, the valve rod is driven to rotate through the clamping block, the valve plate is driven to rotate in the valve seat, the clamping block is clamped into the clamping groove, the fixing assembly limits the clamping block, the shaking of the clamping block during rotation is reduced, and the stability is improved.

[0016] The cover plate and the positioning assembly are arranged, the positioning assembly can position the cover plate, the shaking is reduced, dust accumulation in the groove and the clamping groove is prevented, and the influence on the clamping of the clamping block into the clamping groove is reduced.

[0017] The guide assembly is arranged, the rotation of the clamping block is guided and limited, and the shaking is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic view of the utility model.

[0019] Figure 2 It is the structure schematic view of the utility model in the position of locating block.

[0020] Figure 3 It is the structure schematic view of the utility model in the position of fixed block.

[0021] Figure 4 It is the structure schematic view of the utility model in the position of clamping groove.

[0022] In the drawing: 11, valve body;12, recess;13, plug-in slot;14, clamping groove;15, valve stem;16, valve plate;17, clamping block;18, connecting block;19, connecting rod;20, limit plate;21, fixed groove;22, fixed block;23, spring;24, sliding block;25, sliding slot;26, guide ring;27, valve seat;28, locating groove;29, locating block;30, cover plate;31, first mounting plate;32, second mounting plate;33, mounting block. DETAILED DESCRIPTION

[0023] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connected, can be two element internal communication or two element mutual action relationship, unless another explicit limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a 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 ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-4The embodiment discloses a top drive manual cock valve which comprises a connecting block 18, a valve body 11 and a valve seat 27 fixedly connected to the bottom of the valve body 11, the valve body 11 is rotationally connected with a valve rod 15, a recess 12 is formed in the top of the valve body 11, an insertion groove 13 is formed in the bottom of the inner wall of the recess 12, a connecting rod 19 is fixedly connected to the bottom of the connecting block 18, a clamping block 17 is fixedly connected to the bottom of the connecting rod 19, a clamping groove 14 used for clamping the clamping block 17 is formed in the top of the valve rod 15, a valve plate 16 is fixedly connected to the bottom of the valve rod 15, the valve plate 16 is rotationally connected in the valve seat 27, and a fixing assembly used for fixing the clamping block 17 is arranged in the recess 12.

[0026] The valve body 11 is provided with a guide assembly used for guiding the rotation of the clamping block 17, and the valve body 11 is hingedly connected with a cover plate 30, and the valve body 11 is provided with a positioning assembly used for positioning the cover plate 30.

[0027] The fixing assembly comprises a limiting plate 20 and two groups of fixing grooves 21, the limiting plate 20 is fixedly connected to the connecting rod 19, the two groups of fixing grooves 21 are formed in the limiting plate 20, two groups of fixing blocks 22 are clamped in the fixing grooves 21, the bottom of the fixing block 22 is fixedly connected with a sliding block 24, the bottom of the inner wall of the recess 12 is provided with a sliding groove 25 used for sliding the two groups of sliding blocks 24, the two groups of sliding blocks 24 are connected through springs 23, the connecting rod 19 drives the limiting plate 20 to move downwards, the two groups of fixing blocks 22 are extruded by the limiting plate 20, the two groups of fixing blocks 22 drive the sliding blocks 24 to move close to each other in the sliding groove 25 and extrude the springs 23, when the fixing blocks 22 are clamped in the fixing grooves 21, the two groups of fixing blocks 22 are bounced to the two sides under the action of the elastic force of the springs 23, so that the two groups of fixing blocks 22 fix the limiting plate 20, the clamping block 17 can be prevented from being separated from the clamping groove 14, the rotation is more stable, and the stability is improved.

[0028] The guide assembly comprises a positioning block 29 and a positioning groove 28, the positioning block 29 is fixedly connected to the bottom of the limiting plate 20, the positioning groove 28 is formed in the top of the valve body 11, and the positioning block 29 is slidingly connected in the positioning groove 28, the positioning block 29 rotates in the positioning groove 28, the rotation of the clamping block 17 can be guided and limited, and the shaking is reduced.

[0029] The positioning assembly comprises a first mounting plate 31 fixedly connected to one side of the cover plate 30, and a second mounting plate 32 fixedly connected to one side of the valve body 11, the first mounting plate 31 and the second mounting plate 32 are overlapped, one side of the first mounting plate 31 is fixedly connected with a mounting block 33, the second mounting plate 32 is provided with a mounting groove for matching the mounting block 33, the mounting block 33 is provided with a mounting hole, and a bolt is threadedly connected in the mounting hole, the bolt is rotated, the bolt is separated from the screw hole, the cover plate 30 is lifted and turned over, the mounting block 33 is separated from the second mounting plate 32, the cover plate 30 can be fixed, the shaking is reduced, and the dust is prevented from being accumulated in the recess 12 and the clamping groove 14, thereby reducing the influence on the clamping of the clamping block 17 in the clamping groove 14.

[0030] The valve rod 15 is fixedly connected with a guide ring 26, the valve body 11 is provided with a guide groove for matching the guide ring 26 to rotate, when the valve rod 15 rotates, the guide ring 26 rotates in the guide groove, and the valve rod 15 can rotate more stably.

[0031] The connecting block 18 is provided with a handle, and the handle can be used to conveniently rotate the connecting block 18 by workers.

[0032] The working principle of the utility model is as follows: in use, first, the bolt is rotated, the bolt is separated from the screw hole, the cover plate 30 is lifted and turned over, the mounting block 33 is separated from the second mounting plate 32, the clamping block 17 is clamped into the recess 12, and the clamping block 17 is clamped into the clamping groove 14 through the insertion groove 13, the clamping block 17 drives the connecting rod 19 to slide downward in the recess 12, the connecting rod 19 drives the limiting plate 20 to move downward, the two groups of fixing blocks 22 are extruded by the limiting plate 20, the two groups of fixing blocks 22 drive the sliding blocks 24 to approach each other in the sliding grooves 25 and extrude the springs 23, when the fixing block 22 is clamped into the fixed groove 21 and is subjected to the elastic force of the spring 23, the two groups of fixing blocks 22 are bounced to the two sides, the two groups of fixing blocks 22 fix the limiting plate 20, the clamping block 17 is prevented from separating from the clamping groove 14, the rotation is more stable, the stability is improved, the connecting rod 19 slides downward at the same time, the connecting block 18 drives the positioning block 29 to be clamped into the positioning groove 28, the handle is rotated, the connecting block 18 is rotated, the connecting block 18 drives the positioning block 29 to rotate in the positioning groove 28, the connecting block 18 drives the connecting rod 19 to rotate, so that the clamping block 17 drives the valve rod 15 to rotate, the valve rod 15 drives the guide ring 26 to rotate in the guide groove, and the valve plate 16 is rotated.

[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A top drive handwheel valve comprising a connecting block (18), a valve body (11) and a valve seat (27) fixedly connected to the bottom of the valve body (11), characterized in that: The valve body (11) is rotationally connected with a valve rod (15), the top of the valve body (11) is provided with a recess (12), the bottom of the inner wall of the recess (12) is provided with a plug-in slot (13), the bottom of the connecting block (18) is fixedly connected with a connecting rod (19), the bottom of the connecting rod (19) is fixedly connected with a clamping block (17), the top of the valve rod (15) is provided with a clamping slot (14) for matching the clamping block (17), the bottom of the valve rod (15) is fixedly connected with a valve plate (16), the valve plate (16) is rotationally connected in a valve seat (27), and the recess (12) is provided with a fixing assembly for fixing the clamping block (17). The valve body (11) is provided with a guide assembly for guiding the rotation of the clamping block (17), and the side of the valve body (11) is hingedly connected with a cover plate (30). The valve body (11) is provided with a positioning assembly for positioning the cover plate (30).

2. A top drive manual gate valve according to claim 1, wherein: The fixing assembly comprises a limiting plate (20) and two groups of fixing grooves (21), the limiting plate (20) is fixedly connected on the connecting rod (19), the two groups of fixing grooves (21) are formed on the limiting plate (20), the fixing grooves (21) are clamped with two groups of fixing blocks (22), the bottom of the fixing block (22) is fixedly connected with a sliding block (24), the bottom of the inner wall of the recess (12) is provided with a sliding groove (25) for matching the sliding of the two groups of sliding blocks (24), and the two groups of sliding blocks (24) are connected through springs (23).

3. A top drive manual gate valve as defined in claim 1, wherein: The guide assembly comprises a positioning block (29) and a positioning groove (28), the positioning block (29) is fixedly connected at the bottom of the limiting plate (20), and the positioning groove (28) is formed at the top of the valve body (11). The positioning block (29) is slidingly connected in the positioning groove (28).

4. A top drive manual gate valve as defined in claim 1, wherein: The positioning assembly comprises a first mounting plate (31) and a second mounting plate (32), the first mounting plate (31) is fixedly connected on one side of the cover plate (30), the second mounting plate (32) is fixedly connected on one side of the valve body (11), the first mounting plate (31) and the second mounting plate (32) are overlapped, one side of the first mounting plate (31) is fixedly connected with a mounting block (33), the second mounting plate (32) is provided with a mounting groove for matching the clamping of the mounting block (33), the mounting block (33) is provided with a mounting hole, and the mounting hole is threadedly connected with a bolt.

5. A top drive manual gate valve as defined in claim 1, wherein: The valve rod (15) is fixedly connected with a guide ring (26), and the valve body (11) is provided with a guide groove for matching the rotation of the guide ring (26).

6. A top drive manual gate valve as defined in claim 1, wherein: The connecting block (18) is provided with a handle.

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