Self-adaptive clamping structure for valve hand wheel

Abstract

The utility model relates to the technical field of valve hand wheels, in particular to a valve hand wheel self-adaptive clamping structure which comprises a valve hand wheel and a shell, the shell is installed above the surface of the valve hand wheel, a rotating shaft is rotatably connected to the interior of the shell, a driving bevel gear is fixedly installed on the surface of the rotating shaft, and the driving bevel gear is fixedly connected with the shell. A rotating rod is rotationally connected to the surface of the shell, a driven bevel gear is fixedly mounted on the surface of the rotating rod, and a threaded groove is formed in the rotating rod. The rotating head enables an operator to rapidly adjust the rotating shaft and rapidly start the driving bevel gear and the driven bevel gear, operation efficiency is improved, the driven bevel gear rotates to drive the rotating rod, the threaded rod extends out, the screw barrel is moved through the connecting rod, when the screw barrel is aligned with a connecting piece of a valve hand wheel, the screw rod descends, the fixing sleeve makes contact with the connecting piece, and the valve hand wheel is fixed. A movable sleeve stabilizing structure is additionally arranged below, a valve hand wheel is allowed to be rotated through a connecting rod, and operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve hand wheel technical field especially relates to a valve hand wheel self -adaptation clamping structure. BACKGROUND

[0002] With the development of electrification technology, electric, hydraulic, pneumatic and other automation valves are widely used in coal chemical industry, petroleum chemical industry, rubber, papermaking, pharmaceutical and other fields, and are generally used as medium shunt or flow switching device in pipeline. The traditional valve hand wheel operation often depends on the strength and technology of the operator, which may have deficiencies in operation accuracy and efficiency, thus consuming a lot of time, and the current valve screwing auxiliary mode or tool has the disadvantages of low screwing efficiency and poor adaptability, and cannot completely adapt to hand wheels of different specifications and sizes, so a valve hand wheel self-adaptive clamping structure is proposed to solve the above problems. SUMMARY

[0003] The utility model aims at solving the technical problem in the above background technology.

[0004] The utility model adopts the following technical scheme: a valve hand wheel self-adaptive clamping structure, including valve hand wheel and shell, the shell is installed above the surface of valve hand wheel, the inside rotation is connected with the shaft of shell, the surface fixed mounting of shaft has driving bevel gear, the surface rotation is connected with the connecting rod of shell, the surface fixed mounting of connecting rod has driven bevel gear, the inside of connecting rod is equipped with thread groove, the inside screw thread connection of thread groove has screw rod, the end away from thread groove of screw rod is fixedly installed with connecting rod, the lower surface rotation is connected with screw cylinder of connecting rod, the inside screw thread connection of screw cylinder has screw rod, the bottom fixedly installed with fixed sleeve of screw rod, the lower installation of fixed sleeve has movable sleeve, the surface screw thread connection of screw rod has and tight nut.

[0005] Preferably, one end of the shaft extending to the outside of the shell is fixedly installed with a rotating head. Here, the operator can quickly rotate and adjust the shaft to drive the driving bevel gear inside the shell to rotate.

[0006] Preferably, the driving bevel gear and the driven bevel gear are in meshing transmission, the number of driven bevel gears is three groups, and the three groups of driven bevel gears are distributed in a circle on the surface of the driving bevel gear. Here, the power of the driving bevel gear is evenly transmitted, reducing the risk of local wear and damage, and the transmission efficiency and reaction speed of the whole clamping structure can be improved.

[0007] Preferably, the surface of the connecting rod is provided with anti-skid lines uniformly encircling the surface of the connecting rod. Here, the anti-skid lines can provide better grip and anti-skid property, reduce hand fatigue during operation, and improve the operation comfort of the user.

[0008] Preferably, the fixed sleeve and the movable sleeve are identical in shape and are sleeved on the surface of the connecting member inside the valve hand wheel. Here, the fixed sleeve and the movable sleeve can form stable support inside the valve hand wheel, improving the overall stability and reliability.

[0009] Preferably, the bottom surface of the shell is fixedly provided with an insertion block, the surface of the insertion block is rotationally connected with a locking cap, the surface of the valve hand wheel is fixedly provided with an external threaded joint, and the locking cap is threadedly connected with the external threaded joint. Here, quick and simple installation and disassembly are allowed, maintenance and component replacement are facilitated, the connection of the valve hand wheel is ensured to be stable during use, and the risk of accidental loosening is reduced.

[0010] Preferably, the insertion block is inserted into the internal portion of the external threaded joint, the internal portion of the external threaded joint is fixedly provided with a limiting block, the bottom surface of the insertion block is provided with a limiting slot, and the limiting block is inserted into the internal portion of the limiting slot. Here, the correct position of the insertion block in the internal portion of the external threaded joint is ensured, operation errors or device damage caused by position deviation are prevented, excessive movement is avoided, and the safety of equipment operation is improved.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、The rotating head in the utility model is convenient for the operator to quickly rotate and adjust the rotating shaft, so that the driving bevel gear can quickly drive the driven bevel gear to rotate, thereby improving the operation efficiency and response speed, the driven bevel gear drives the rotating rod to rotate, the threaded rod in the rotating rod can be extended, the threaded rod drives the connecting rod to move, the connecting rod drives the screw cylinder on the lower surface to move, when the connecting rod moves to the position above the connecting part of the connecting member inside the valve hand wheel, the screw cylinder is rotated, the screw rod is rotated out of the screw cylinder, the fixed sleeve at the bottom end of the screw rod is butted with the connecting member inside the valve hand wheel, and the movable sleeve is installed below the fixed sleeve, so that the fixed sleeve and the movable sleeve are stably arranged on the valve hand wheel, and when the valve hand wheel is inconvenient to be rotationally stressed, the valve hand wheel can be rotated through the connecting rod, so as to improve the operation efficiency of the valve hand wheel.

[0013] 2、The insertion block of the bottom surface of the shell and the locking cap of the external threaded joint allow quick installation and stable connection, maintenance and component replacement are simplified, the stability of the connection is ensured, accidental loosening in the use process is prevented, the cooperation of the limiting block and the limiting slot ensures the correct positioning of the insertion block in the external threaded joint, operation errors or device damage are avoided, and excessive movement is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A valve hand wheel self-adapting clamping structure is provided for the utility model, and a schematic view of the valve hand wheel self-adapting clamping structure is provided for the utility model.

[0015] Figure 2 A valve hand wheel self-adapting clamping structure is provided for the utility model, and a schematic view of the valve hand wheel of the valve hand wheel self-adapting clamping structure is provided for the utility model.

[0016] Figure 3 A valve hand wheel self-adapting clamping structure is provided for the utility model, and a bottom view of the shell of the valve hand wheel self-adapting clamping structure is provided for the utility model.

[0017] Figure 4 A valve hand wheel self-adapting clamping structure is provided for the utility model, and a sectional view of the shell of the valve hand wheel self-adapting clamping structure is provided for the utility model.

[0018] Figure 5 A valve hand wheel self-adapting clamping structure is provided for the utility model, and a bottom view of the shell of the valve hand wheel self-adapting clamping structure is provided for the utility model. Figure 3 An enlarged view of A in the middle.

[0019] Legend:

[0020] 1, valve hand wheel; 2, external thread joint; 3, limiting block; 4, shell; 5, plug; 6, limiting groove; 7, rotating shaft; 8, driving bevel gear; 9, rotating head; 10, driven bevel gear; 11, rotating rod; 12, threaded groove; 13, threaded rod; 14, connecting rod; 15, anti-skid line; 16, screw cylinder; 17, screw rod; 18, locking nut; 19, fixed sleeve; 20, movable sleeve; 21, locking cap. DETAILED DESCRIPTION

[0021] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model will be further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0023] Embodiment one

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a valve hand wheel self -adaptation clamping structure, including valve hand wheel 1 and casing 4, casing 4 installs above the surface of valve hand wheel 1, the inside rotation of casing 4 is connected with the shaft 7, and the one end fixed mounting of the extension of shaft 7 to the outside of casing 4 is provided with rotary head 9, can conveniently operator fastly rotate the adjustment of shaft 7, in order to drive the rotation of the driving bevel gear 8 in the inside of casing 4, the surface fixed mounting of shaft 7 is provided with driving bevel gear 8, the surface rotation of casing 4 is connected with the rod 11, the surface fixed mounting of rod 11 is provided with driven bevel gear 10, and the meshing transmission between driving bevel gear 8 and driven bevel gear 10, the number of driven bevel gear 10 is three groups, and three groups driven bevel gear 10 are circumferentially distributed on the surface of driving bevel gear 8, ensure that the strength of driving bevel gear 8 is evenly transmitted, reduce the risk of local wear and damage, can improve the transmission efficiency and reaction speed of whole clamping structure, the inside of rod 11 is provided with thread groove 12, and the inside screw thread connection of thread groove 12 is provided with threaded rod 13, and the one end fixed mounting of threaded rod 13 away from thread groove 12 is provided with connecting rod 14, the surface of connecting rod 14 is provided with anti -skid line 15, and anti -skid line 15 evenly surrounds on the surface of connecting rod 14, and anti -skid line 15 can provide better grip feeling and skid resistance, reduce the hand fatigue when operating, improve the operation comfort of user, the lower surface rotation of connecting rod 14 is connected with screw cylinder 16, the inside screw thread connection of screw cylinder 16 is provided with screw rod 17, and the bottom fixed mounting of screw rod 17 is provided with fixed sleeve 19, and the lower installation of fixed sleeve 19 is provided with movable sleeve 20, and fixed sleeve 19 and movable sleeve 20 are consistent in shape, and fixed sleeve 19 and movable sleeve 20 are on the surface of connecting piece inside valve hand wheel 1, and fixed and movable sleeve 20 can form stable support inside valve hand wheel 1, improve the stability and reliability of whole, and the surface screw thread connection of screw rod 17 is provided with and tight nut 18.

[0025] Example two

[0026] Please refer to Figures 2-4 The bottom surface of the casing 4 is fixedly installed with an insertion block 5, the surface of the insertion block 5 is rotationally connected with a locking cap 21, the surface of the valve hand wheel 1 is fixedly installed with an external threaded joint 2, the locking cap 21 is threadedly connected with the external threaded joint 2, allowing quick and simple installation and disassembly, facilitating maintenance and replacement of parts, ensuring stable connection of the valve hand wheel 1 during use, reducing the risk of accidental loosening, the insertion block 5 is inserted into the inside of the external threaded joint 2, a limiting block 3 is fixedly installed in the inside of the external threaded joint 2, a limiting groove 6 is formed in the bottom surface of the insertion block 5, the limiting block 3 is inserted into the inside of the limiting groove 6, ensuring the correct position of the insertion block 5 inside the external threaded joint 2, preventing operation errors or device damage caused by position deviation, avoiding excessive movement, and improving the safety of equipment operation.

[0027] Working principle: When the clamping structure is installed on the valve handwheel 1, the plug 5 at the bottom of the shell 4 is connected to the locking cap 21 on the external threaded joint 2 through a thread, allowing the operator to quickly lock or unlock the connection between the valve handwheel 1 and the clamping structure. The limit block 3 in the plug 5 cooperates with the limit groove 6 to ensure that the plug 5 is correctly positioned inside the external threaded joint 2, preventing accidental movement of the clamping structure during use, and increasing the accuracy and safety of the operation. By rotating the rotating head 9 outside the shell 4, the rotating head 9 is connected to the rotating shaft 7, so that the rotation of the rotating head 9 will drive the rotating shaft 7 to rotate, and the active bevel gear 8 fixed on the rotating shaft 7 also rotates with the rotating shaft 7. The active bevel gear 8 drives the three sets of driven bevel gears 10 to rotate inside the shell 4, and the rotating rod 11 rotates with the rotation of the driven bevel gear 10. The rotating rod 11 is designed with a thread groove 12. The thread groove 12 The screw 17 is rotated to move out of the screw barrel 16, and the fixing sleeve 19 at the bottom end of the screw 17 is docked with the connecting piece on the inner side of the valve handwheel 1. Then, the tightening nut 18 is tightened on the surface of the screw 17 so that the screw 17 will not rotate at will. Finally, the movable sleeve 20 is installed under the fixed sleeve 19, so that the fixed sleeve 19 and the movable sleeve 20 are stabilized on the valve handwheel 1, so that when it is inconvenient for the operator to rotate the valve handwheel 1 under force, the valve handwheel 1 can be rotated by the connecting rod 14, so as to improve the operating efficiency of the valve handwheel 1.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A valve handwheel adaptive clamping structure, comprising a valve handwheel (1) and a housing (4), characterized in that: The housing (4) is mounted above the surface of the valve handwheel (1); the interior of the housing (4) is rotatably connected to a rotating shaft (7); the surface of the rotating shaft (7) is fixedly mounted with a driving bevel gear (8); the surface of the housing (4) is rotatably connected to a rotating rod (11); the surface of the rotating rod (11) is fixedly mounted with a driven bevel gear (10); a thread groove (12) is provided inside the rotating rod (11); the thread groove (12) is internally threadedly connected to a threaded rod (13); a connecting rod (14) is fixedly mounted on one end of the threaded rod (13) away from the thread groove (12); a screw barrel (16) is rotatably connected to the lower surface of the connecting rod (14); the screw barrel (16) is internally threadedly connected to a screw rod (17); a fixed sleeve (19) is fixedly mounted on the bottom end of the screw rod (17); a movable sleeve (20) is mounted below the fixed sleeve (19); and a tightening nut (18) is threadedly connected to the surface of the screw rod (17).

2. The valve handwheel adaptive clamping structure according to claim 1, characterized in that: A rotating head (9) is fixedly mounted on one end of the rotating shaft (7) extending to the outside of the housing (4).

3. The valve handwheel adaptive clamping structure according to claim 1, characterized in that: The driving bevel gear (8) and the driven bevel gear (10) are meshed and driven. There are three groups of driven bevel gears (10), and the three groups of driven bevel gears (10) are circumferentially distributed on the surface of the driving bevel gear (8).

4. The valve handwheel adaptive clamping structure according to claim 1, characterized in that: The surface of the connecting rod (14) is provided with anti-skid patterns (15), and the anti-skid patterns (15) are evenly surrounded on the surface of the connecting rod (14).

5. The valve handwheel adaptive clamping structure according to claim 1, characterized in that: The fixed sleeve (19) and the movable sleeve (20) have the same shape, and the fixed sleeve (19) and the movable sleeve (20) are sleeved on the surface of the connecting piece on the inner side of the valve hand wheel (1).

6. The valve handwheel adaptive clamping structure according to claim 1, characterized in that: An insert block (5) is fixedly mounted on the bottom surface of the housing (4), a locking cap (21) is rotatably connected to the surface of the insert block (5), an external threaded connector (2) is fixedly mounted on the surface of the valve hand wheel (1), and the locking cap (21) is threadedly connected to the external threaded connector (2).

7. The valve handwheel adaptive clamping structure according to claim 6, characterized in that: The insert block (5) is inserted into the interior of the external threaded joint (2), a limiting block (3) is fixedly installed inside the external threaded joint (2), a limiting groove (6) is provided on the bottom surface of the insert block (5), and the limiting block (3) is inserted into the interior of the limiting groove (6).

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