Locking gate valve

Abstract

The utility model relates to the technical field of sluice valves, in particular to a locking sluice valve which mainly comprises a sluice valve body, a sluice valve seat is arranged at the top end of the sluice valve body, a sluice valve rod is arranged on the inner side of the sluice valve seat, a hand wheel is arranged at the top end of the sluice valve rod, and a pressing cap is arranged on the outer side of the sluice valve rod. And a built-in pipe is arranged at the bottom end of the oil injection hole, a sponge column is arranged in the built-in pipe, an arc-shaped pressing plate is arranged on the outer side of the built-in pipe, the clamping and locking assembly comprises a clamping convex block, and a threaded connector is arranged at the top end of the clamping convex block. According to the locking gate valve, the sponge column capable of storing lubricating oil is arranged in the gate valve rod, after the arc-shaped pressing plate on the side edge is squeezed, the lubricating oil slowly flows out to the rotating connection position of the gate valve rod and the gate valve seat through the oil drainage hole, and the lubricating oil can be supplemented; the internal lubricating effect can be continuously improved in the use process of the gate valve, and the opening and closing smoothness of the gate valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gate valve, concretely is a kind of lock gate valve. BACKGROUND

[0002] Lock gate valve is a kind of valve with locking function, usually used in the occasion needing to restrict or prevent unauthorized operation, lock gate valve as an important pipeline control equipment, with its unique locking function and good performance, plays an irreplaceable role in many fields, gate valve will be difficult to adjust with the passage of time.

[0003] Chinese patent with disclosure number CN215371239U discloses a kind of lock gate valve, the utility model is set by setting valve whole and the lock handle cooperating with valve whole, valve handle cooperates with valve whole, for opening or closing valve, hand wheel, hand wheel is fixedly arranged in the upper end of valve handle can be adjusted rotation, then setting ball in the inside to reduce friction, improve the silk smoothness of rotation.

[0004] The above-mentioned device reduces the internal friction when the hand wheel rotates during rotation adjustment, improves the rotation efficiency, and with the passage of time, the surface oxide layer of the ball becomes rough after wear in a humid environment, which reduces the effect of reducing friction by using the ball, thereby affecting the use efficiency of the gate valve, which needs to be optimized and improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lock gate valve, to solve the problem that gate valve will exist certain wear in the long-term use process, it is difficult to adjust and will affect the silk smoothness of gate valve opening and closing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of lock gate valve, comprising: gate valve body, the top of gate valve body is provided with gate valve seat, and the inside of gate valve seat is provided with gate valve stem, the top of gate valve stem is provided with hand wheel, and the outside of gate valve stem is provided with compression cap, further comprising lubrication adjusting assembly and clamping locking assembly:

[0007] Lubrication adjusting assembly is arranged in the inside of gate valve stem, and lubrication adjusting assembly includes oil injection hole, and the bottom of oil injection hole is provided with built-in pipe, the inside of built-in pipe is provided with sponge column, and the outside of built-in pipe is provided with arc pressing plate, and lubrication adjusting assembly is used to fill lubricating oil in the rotating part of gate valve stem;Clamping locking assembly is arranged at the top of gate valve stem, clamping locking assembly includes clamping protrusion, and the top of clamping protrusion is provided with threaded joint, the outside of threaded joint is provided with clamping fixing groove, and clamping locking assembly is used for the convenient fixed installation of hand wheel.

[0008] Preferably, the oil injection hole is arranged at the outer top end of the gate valve rod, and a plug is arranged in the oil injection hole.

[0009] Preferably, a connecting hole is arranged in the gate valve rod, and a drain hole is arranged at the outer bottom end of the gate valve rod.

[0010] Preferably, a through groove is arranged at the middle part of the inner side of the gate valve rod, and the built-in pipe is connected to the inner side of the through groove.

[0011] Preferably, a butt joint hole is arranged at the upper and lower ends of the inner side of the built-in pipe, and a limiting groove is arranged at the left and right ends of the inner side of the built-in pipe.

[0012] Preferably, an elastic connecting piece is arranged in the limiting groove, and the sponge column is arranged at the inner side of the elastic connecting piece.

[0013] Preferably, a guide limiting rod is connected to the outer side of the elastic connecting piece, and the arc-shaped pressing plate is connected to the outer side of the guide limiting rod.

[0014] Preferably, the clamping protrusion is fixedly installed at the top end of the gate valve rod, and the clamping fixed groove is arranged at the inner side of the hand wheel.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a sponge column is arranged in the gate valve rod, and the arc-shaped pressing plate at the side is extruded, and the lubricating oil slowly flows out to the rotary connection position of the gate valve rod and the gate valve seat through the drain hole, and the lubricating oil can be replenished, so that the internal lubricating effect can be continuously improved during the use of the gate valve, the smoothness of the gate valve opening and closing is improved, and the use efficiency of the gate valve is improved.

[0017] The connection between the gate valve rod and the hand wheel is clamped in the clamping fixed groove after rotation through the clamping protrusion, and then the protruding threaded joint is fixed in the connecting nut, so that the stability of installation can be improved during use, and the rotary adjusting efficiency of the hand wheel is avoided from being affected. DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is an enlarged three-dimensional structure schematic view of the compression cap and the gate valve rod connection of the utility model;

[0020] Figure 3 It is a local separated three-dimensional structure schematic view of the lubricating adjusting assembly of the utility model;

[0021] Figure 4 It is a separated three-dimensional structure schematic view of the gate valve rod and the hand wheel of the utility model.

[0022] In the diagram: 1. Gate valve body; 2. Gate valve seat; 3. Compression cap; 4. Gate valve stem; 5. Handwheel; 6. Oil filling hole; 7. Plug; 8. Connection hole; 9. Through groove; 10. Oil drain hole; 11. Internal tube; 12. Butt hole; 13. Limiting groove; 14. Elastic connector; 15. Sponge column; 16. Guide limiting rod; 17. Arc-shaped pressure plate; 18. Snap-fit ​​protrusion; 19. Threaded joint; 20. Snap-fit ​​fixing groove. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] like Figure 1 - Figure 4 As shown, this application provides a locking gate valve, including: a gate valve body 1, a gate valve seat 2 is provided at the top of the gate valve body 1, a gate valve stem 4 is provided on the inner side of the gate valve seat 2, a handwheel 5 is provided at the top of the gate valve stem 4, and a pressure cap 3 is provided on the outer side of the gate valve stem 4.

[0026] The gate valve stem 4 is provided with a lubrication adjustment component, which includes an oil injection hole 6. The bottom end of the oil injection hole 6 is provided with an internal tube 11. The internal tube 11 is provided with a sponge column 15, and the outside of the internal tube 11 is provided with an arc-shaped pressure plate 17. The lubrication adjustment component is used to fill the rotating parts of the gate valve stem 4 with lubricating oil.

[0027] Specifically, such as Figure 2 As shown, the oil injection hole 6 is located at the top outer side of the gate valve stem 4, and a plug 7 is installed inside the oil injection hole 6. The oil injection hole 6 can inject lubricating oil into the interior of the gate valve stem 4, and the plug 7 seals the outside of the oil injection hole 6.

[0028] Specifically, such as Figure 3 As shown, the gate valve stem 4 has a connecting hole 8 inside and an oil drain hole 10 at the bottom outer side. The lubricating oil injected into the oil injection hole 6 will enter the inner side of the gate valve stem 4 through the connecting hole 8. After being squeezed, it will flow out through the oil drain hole 10 to the rotating contact part of the gate valve stem 4, thereby improving the lubrication effect.

[0029] Specifically, such as Figure 3As shown, the inner middle part of the gate valve rod 4 is provided with a through groove 9, the built-in pipe 11 is connected to the inner side of the through groove 9, and the limiting groove 13 is connected to the inner side of the through groove 9, which facilitates the internal communication.

[0030] Specifically, as shown in the figure, Figure 3 As shown, the inner side of the built-in pipe 11 is provided with a butt joint hole 12 at the upper and lower ends, and the inner side of the built-in pipe 11 is provided with a limiting groove 13 at the left and right ends. The butt joint hole 12 facilitates the flow of oil, and the limiting groove 13 on the left and right sides is used to guide the movement of the limiting rod 16.

[0031] Specifically, as shown in the figure, Figure 3 As shown, the inner side of the limiting groove 13 is provided with an elastic connecting piece 14, and the sponge column 15 is arranged on the inner side of the elastic connecting piece 14. The sponge column 15 is arranged on the inner side of the elastic connecting piece 14, which is supported and protected by the elasticity of the elastic connecting piece 14. When the elastic connecting piece 14 is subjected to external force, it will extrude the sponge column 15 on the inner side. The sponge column 15 is used for adsorbing lubricating oil.

[0032] Specifically, as shown in the figure, Figure 3 As shown, the outer side of the elastic connecting piece 14 is connected with the guide limiting rod 16, and the arc-shaped pressing plate 17 is connected to the outer side of the guide limiting rod 16. The extrusion of the arc-shaped pressing plate 17 and the protruding part inside the gate valve seat 2 will drive the guide limiting rod 16 to move inwardly and extrude the sponge column 15 on the inner side.

[0033] The top end of the gate valve rod 4 is provided with a clamping and locking assembly, which comprises a clamping protrusion 18, and the top end of the clamping protrusion 18 is provided with a threaded joint 19. The outer side of the threaded joint 19 is provided with a clamping and fixing groove 20, and the clamping and locking assembly is used for convenient fixing and installation of the hand wheel 5.

[0034] Specifically, as shown in the figure, Figure 4 As shown, the clamping protrusion 18 is fixedly installed at the top end of the gate valve rod 4, the clamping and fixing groove 20 is arranged on the inner side of the hand wheel 5, and the clamping and fixing groove 20 is arranged on the inner side of the hand wheel 5. The clamping protrusion 18 is adapted to be arranged in the clamping and fixing groove 20, and a groove which is rotatable by ninety degrees with the clamping protrusion 18 is arranged in the middle of the clamping and fixing groove 20, so that the clamping protrusion 18 can be clamped after being inserted into the hand wheel 5.

[0035] In this embodiment: the sponge column 15 which can store lubricating oil is arranged in the inner side of the gate valve rod 4, and after the arc-shaped pressing plate 17 on the side is extruded, the lubricating oil slowly flows out through the oil leakage hole 10 to the rotating connection position of the gate valve rod 4 and the gate valve seat 2, and the lubricating oil can be replenished. In this way, the internal lubrication effect can be continuously improved during the use of the gate valve, the smoothness of the gate valve opening and closing is improved, and the connection between the gate valve rod 4 and the hand wheel 5 is clamped in the inner side of the clamping and fixing groove 20 after rotation through the clamping protrusion 18, and then the protruding threaded joint 19 is fixed by connecting the nut, which improves the stability of the installation of the hand wheel 5.

[0036] The utility model discloses a gate valve, which comprises a gate valve body (1), a gate valve rod (4) and a gate valve seat (2), wherein the gate valve body (1) is provided with a gate valve hole (3), the gate valve rod (4) is connected with the gate valve hole (3) and the gate valve seat (2) is connected with the gate valve hole (3) through the gate valve rod (4), the gate valve rod (4) is provided with a hand wheel (5), the gate valve seat (2) is provided with an arc-shaped pressing plate (17), the arc-shaped pressing plate (17) is provided with an elastic connecting piece (14), the elastic connecting piece (14) is provided with a sponge column (15), the sponge column (15) is provided with an oil injection hole (6) and an oil leakage hole (10), the gate valve rod (4) is provided with a protruding threaded joint (19) and a clamping protrusion (18), the gate valve body (1) is provided with a clamping fixed groove (20), and the protruding threaded joint (19) is connected with the clamping fixed groove (20) through the clamping protrusion (18).

[0037] It should be understood by those of ordinary skill in the art that the above discussion of any embodiment is merely exemplary; under the idea of the utility model, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of simplicity.

[0038] The utility model discloses a gate valve, which comprises a gate valve body (1), a gate valve rod (4) and a gate valve seat (2), wherein the gate valve body (1) is provided with a gate valve hole (3), the gate valve rod (4) is connected with the gate valve hole (3) and the gate valve seat (2) is connected with the gate valve hole (3) through the gate valve rod (4), the gate valve rod (4) is provided with a hand wheel (5), the gate valve seat (2) is provided with an arc-shaped pressing plate (17), the arc-shaped pressing plate (17) is provided with an elastic connecting piece (14), the elastic connecting piece (14) is provided with a sponge column (15), the sponge column (15) is provided with an oil injection hole (6) and an oil leakage hole (10), the gate valve rod (4) is provided with a protruding threaded joint (19) and a clamping protrusion (18), the gate valve body (1) is provided with a clamping fixed groove (20), and the protruding threaded joint (19) is connected with the clamping fixed groove (20) through the clamping protrusion (18).

Claims

1. A locking gate valve, comprising: The utility model provides a gate valve body (1), the top end of gate valve body (1) is provided with gate valve seat (2), and the inner side of gate valve seat (2) is provided with gate valve stem (4), the top end of gate valve stem (4) is provided with hand wheel (5), and the outer side of gate valve stem (4) is provided with compression cap (3), it is characterized by further including: Lubricating adjusting assembly is arranged in the inside of gate valve stem (4), and lubricating adjusting assembly includes oil injection hole (6), and the bottom end of oil injection hole (6) is provided with built-in pipe (11), the inside of built-in pipe (11) is provided with sponge column (15), and the outer side of built-in pipe (11) is provided with arc pressing plate (17), and lubricating adjusting assembly is used to fill lubricating oil in the rotating part of gate valve stem (4); Clamping locking assembly is arranged at the top end of gate valve stem (4), and the clamping locking assembly includes clamping lug (18), and the top end of clamping lug (18) is provided with threaded joint (19), the outer side of threaded joint (19) is provided with clamping fixed groove (20), and the clamping locking assembly is used for the convenient fixed installation of hand wheel (5).

2. A locking gate valve according to claim 1, wherein The oil injection hole (6) is opened in the outer top end of the gate valve stem (4), and the inside of the oil injection hole (6) is provided with a plug (7).

3. A locking gate valve according to claim 1, wherein The inside of the gate valve stem (4) is provided with a connecting hole (8), and the outer bottom end of the gate valve stem (4) is provided with a drain hole (10).

4. A locking gate valve according to claim 1, wherein The inside of the gate valve stem (4) is provided with a through groove (9), and the built-in pipe (11) is connected to the inside of the through groove (9).

5. A locking gate valve according to claim 4, wherein The inside of the built-in pipe (11) is provided with a butt joint hole (12) at the upper and lower ends, and the inside of the built-in pipe (11) is provided with a limiting groove (13) at the left and right ends.

6. A locking gate valve according to claim 5, wherein The inside of the limiting groove (13) is provided with an elastic connecting piece (14), and the sponge column (15) is arranged in the inside of the elastic connecting piece (14).

7. A locking gate valve according to claim 6, wherein The outside of the elastic connecting piece (14) is connected with a guide limiting rod (16), and the arc pressing plate (17) is connected to the outside of the guide limiting rod (16).

8. A locking gate valve according to claim 1, wherein The clamping lug (18) is fixedly installed at the top end of the gate valve stem (4), and the clamping fixed groove (20) is arranged in the inside of the hand wheel (5).

Images