Wrench convenient for overhauling ball valve

Abstract

The utility model discloses a wrench convenient to overhaul a ball valve, and relates to the technical field of ball valve auxiliary instruments, the wrench comprises a fixed wrench rod, the outer wall of the fixed wrench rod is in threaded connection with a clamping column, by arranging an adjusting wrench block, when different types of ball valves are overhauled through the wrench, in order to improve the overhaul flexibility of the wrench on the different types of ball valves, the adjusting wrench block can be used for adjusting the clamping column. A mounting rod can be inserted into the outer wall of a fixed pulling rod, a first bolt is rotated, the first bolt slides into a mounting groove through the limiting effect of a first nut, a rotating shaft is rotated according to the requirement for the radian of the ball valve, the radian outline between two sets of adjusting pulling blocks and the fixed pulling rod is adjusted, and the radian of the ball valve is adjusted; and a second bolt is rotated, and the second bolt is inserted into the inner wall of the adjusting groove under the limiting effect of a second nut, so that the effect of clamping and stable use of the adjusting wrench block is achieved, and the effect of improving the contact radian of the wrench and ball valves of different models is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve auxiliary instrument technical field, concretely is a wrench convenient for overhauling ball valve. BACKGROUND

[0002] Ball valve (ball valve), opening and closing part (ball) is driven by the valve rod, and the rotating movement around the ball valve axis, the valve can also be used for the adjustment and control of fluid, wherein the hard sealing V type ball valve has very strong shearing force between V type ball core and the metal valve seat of hardfacing hard alloy, and it is especially suitable for the medium containing fiber, small solid particles and the like, and when carrying out routine overhaul to the ball valve, the ball valve needs to be overhauled by the wrench.

[0003] But the existing wrench when using, although can overhaul the ball valve, but the use shape of the wrench is fixed, makes when needing to overhaul the ball valve of different models, needs to frequently change the wrench and overhauls the operation of different ball valves, and the flexible adjustment and overhaul effect of different shape ball valves by single wrench is not high, reduces the problem of the flexibility of daily use of the wrench.

[0004] Therefore, in view of the defects of the prior art, the wrench for conveniently overhauling the ball valve is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a wrench for conveniently overhauling the ball valve, which solves the problem of frequent replacement of the wrench for overhauling different ball valves when different models of ball valves need to be overhauled, and the flexible adjustment and overhaul effect of different shape ball valves by single wrench is not high.

[0006] To achieve the above object, the utility model provides following technical scheme: A wrench convenient to overhaul ball valve, including fixed wrench lever, the outer wall of fixed wrench lever is connected with the clamping post, the connecting portion of the outer wall of fixed wrench lever and clamping post is equipped with spiral groove, the outer wall of fixed wrench lever is connected with the mounting rod, the outer wall of mounting rod is equipped with first nut, the inner wall of first nut is connected with the first bolt of fixed wrench lever outer wall screw connection, the connecting portion of fixed wrench lever outer wall and first bolt is equipped with installation groove, the end of mounting rod is rotatably connected with the pivot, the outer wall of pivot is fixedly connected with the adjusting wrench block, the outer wall of mounting rod is equipped with second nut, the inner wall of second nut is connected with the second bolt of pivot outer wall sliding connection, the connecting portion of pivot outer wall and second bolt is equipped with adjusting groove, the inner wall of fixed wrench lever is slidingly connected with the adjusting wrench lever, the connecting portion of the inner wall of fixed wrench lever and adjusting wrench lever is equipped with telescopic groove, the side wall of fixed wrench lever is slidingly connected with the sliding rod of adjusting wrench lever side wall sliding connection, the outer wall of sliding rod is sleeved with the spring of fixed wrench lever side wall fixed connection, one end of spring is fixedly connected with the pull block of sliding rod one end fixed connection, the connecting portion of adjusting wrench lever side wall and sliding rod is equipped with the insertion slot, the outer wall of adjusting wrench lever is fixedly connected with the anti -skid convex grain, the outer wall of adjusting wrench lever is fixedly connected with the storage hook, the outer wall of storage hook is hung with the protractor.

[0007] Further, the spiral groove is linearly formed on the surface of the fixed wrench lever, and the outer wall of the clamping post is provided with an outer spiral at the connecting portion with the spiral groove.

[0008] Further, the installation groove is arranged on the movement track of the first bolt, and the mounting rod and the pivot are both provided with two groups, and the positions of the two groups of the mounting rod and the pivot are symmetrically distributed about the central axis of the fixed wrench lever.

[0009] Further, the adjusting wrench block forms a flip structure between the pivot and the mounting rod, the adjusting wrench block and the pivot are one-to-one correspondingly arranged, and the bottom of the adjusting wrench block is arc-shaped.

[0010] Further, the adjusting groove is arranged on the movement track of the second bolt, and the adjusting groove is annularly arranged on the outer wall of the pivot.

[0011] Further, the inner wall profile of the telescopic groove is adaptively arranged with the outer wall profile of the adjusting wrench lever.

[0012] Further, the insertion slot is linearly formed on the side wall of the adjusting wrench lever, and is used for cooperating with the sliding rod.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a setting of adjusting the wrench block, when the different model ball valve is overhauled through the wrench, in order to improve the flexibility of the wrench to the different model ball valve overhaul, improve the use efficiency of the overhaul personnel to the wrench, can first install the rod and insert into the fixed wrench rod outer wall, and rotate the first bolt through the limiting effect of the first nut, make the first bolt slip into the installation groove, and according to the need of the radian of ball valve, rotate the pivot, adjust the radian profile between two sets of adjusting wrench block and fixed wrench rod, and rotate the second bolt, under the limiting effect of the second nut, make the second bolt insert into the inner wall of the adjusting groove, reach the effect that the adjusting wrench block is stably used, play the role of improving the contact radian of the wrench and different model ball valve;

[0015] 2. The utility model discloses a setting of adjusting the wrench rod, when the different overhaul personnel uses the wrench to overhaul the different model ball valve, in order to the adjusting effect of the different personnel to the wrench moment of rotation, through the limiting effect of the telescopic groove, pull up the adjusting wrench rod, after the adjusting wrench rod is pulled to the length that needs to be used, loosen the pull block, under the counteraction of the spring being stretched and loosened, make the sliding rod insert into the inner wall of the insertion groove, reach the effect that the length of the adjusting wrench rod is conveniently adjusted, and before using the wrench, can take down the protractor from the storage hook, make the protractor place to the outer wall of the ball valve, make when rotating the wrench can observe the protractor to master the angle of rotation of the wrench when overhauling the ball valve and record, play the role of assisting the subsequent overhaul personnel to overhaul the ball valve, and simultaneously through the setting of anti -skid relief, reach the effect that the stability of the wrench rotation is improved, ensure the effect that the operation is safe. ACCURACY OF DRAWINGS

[0016] Figure 1 It is wrench structure schematic drawing;

[0017] Figure 2 It is insertion groove position distribution structure schematic drawing;

[0018] Figure 3 It is adjusting wrench block adjusting state structure schematic drawing;

[0019] Figure 4 It is installation groove position distribution structure schematic drawing;

[0020] Figure 5 It is adjusting groove position distribution structure schematic drawing;

[0021] Figure 6 It is telescopic groove position distribution structure schematic drawing;

[0022] Figure 7 It is storage hook and protractor position distribution structure schematic drawing.

[0023] In the diagram: 1. Fixed lever; 2. Clamping post; 3. Spiral groove; 4. Mounting rod; 5. First nut; 6. First bolt; 7. Mounting groove; 8. Rotating shaft; 9. Adjusting block; 10. Second nut; 11. Second bolt; 12. Adjusting groove; 13. Adjusting lever; 14. Telescopic groove; 15. Sliding rod; 16. Spring; 17. Pull block; 18. Slot; 19. Anti-slip ridge; 20. Storage hook; 21. Protractor. Detailed Implementation

[0024] 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.

[0025] Example: Figures 1-7 As shown, a wrench for easy maintenance of ball valves includes a fixed lever 1, a retaining post 2 threadedly connected to the outer wall of the fixed lever 1, a spiral groove 3 formed at the connection between the outer wall of the fixed lever 1 and the retaining post 2, an mounting rod 4 engaging with the outer wall of the fixed lever 1, a first nut 5 provided on the outer wall of the mounting rod 4, a first bolt 6 threadedly connected to the inner wall of the first nut 5 and threadedly connected to the outer wall of the fixed lever 1, an installation groove 7 formed at the connection between the outer wall of the fixed lever 1 and the first bolt 6, a rotating shaft 8 rotatably connected to the end of the mounting rod 4, an adjusting lever 9 fixedly connected to the outer wall of the rotating shaft 8, a second nut 10 provided on the outer wall of the mounting rod 4, a second bolt 11 threadedly connected to the inner wall of the second nut 10 and slidably connected to the outer wall of the rotating shaft 8, and the outer wall of the rotating shaft 8 engaging with the retaining post 2. The second bolt 11 has an adjustment groove 12 at its connection point. An adjustment lever 13 is slidably connected to the inner wall of the fixed lever 1. An expansion groove 14 is provided at the connection point between the inner wall of the fixed lever 1 and the adjustment lever 13. A sliding rod 15 is slidably connected to the side wall of the fixed lever 1 and the side wall of the adjustment lever 13. A spring 16 is sleeved on the outer wall of the sliding rod 15 and fixedly connected to the side wall of the fixed lever 1. A pull block 17 is fixedly connected to one end of the spring 16 and fixedly connected to one end of the sliding rod 15. A slot 18 is provided at the connection point between the side wall of the adjustment lever 13 and the sliding rod 15. An anti-slip texture 19 is fixedly connected to the outer wall of the adjustment lever 13. A storage hook 20 is fixedly connected to the outer wall of the adjustment lever 13. A protractor 21 is suspended from the outer wall of the storage hook 20.

[0026] Furthermore, the spiral groove 3 is formed in a straight line on the surface of the fixed lever 1, and the connection between the outer wall of the locking post 2 and the spiral groove 3 is provided with an external spiral, which is beneficial to the use of the spiral groove 3 in a straight line on the surface of the fixed lever 1, so as to simultaneously adjust the number of locking posts 2 when adjusting the adjusting block 9.

[0027] Further, the mounting groove 7 is arranged on the movement track of the first bolt 6, and the mounting rod 4 and the rotating shaft 8 are both provided with two groups, and the positions of the two groups of the mounting rod 4 and the rotating shaft 8 are symmetric about the central axis of the fixed wrench rod 1, which is beneficial to the mounting groove 7 arranged on the movement track of the first bolt 6, and plays a role of clamping and inserting the mounting rod 4.

[0028] Further, the adjusting wrench block 9 forms a turnover structure between the rotating shaft 8 and the mounting rod 4, and the adjusting wrench block 9 and the rotating shaft 8 are one-to-one corresponding, and the bottom of the adjusting wrench block 9 is arc-shaped, which is beneficial to the rotation of the rotating shaft 8, drives the adjusting wrench block 9 to perform turnover movement along the outer wall of the mounting rod 4, and plays a role of conveniently adjusting the arc of the wrench for maintenance.

[0029] Further, the adjusting groove 12 is arranged on the movement track of the second bolt 11, and the adjusting groove 12 is arranged in a ring shape on the outer wall of the rotating shaft 8, which is beneficial to the adjusting groove 12 arranged in a ring shape on the outer wall of the rotating shaft 8, and plays a role of multidirectional adjusting the arc of the contact part between the wrench bottom and the ball valve.

[0030] Further, the insertion groove 18 is in a linear shape and is arranged in the side wall of the adjusting wrench rod 13, which is beneficial to the insertion groove 18 arranged in a linear shape in the side wall of the adjusting wrench block 13, and plays a role of conveniently adjusting the length of the wrench used.

[0031] Working principle: when using the wrench for convenient maintenance of the ball valve, first, when the wrench is used to maintain different types of ball valves, in order to improve the flexibility of the wrench for maintaining different types of ball valves and improve the use efficiency of the wrench for maintenance personnel, the mounting rod 4 can be inserted into the outer wall of the fixed wrench rod 1, and the first bolt 6 is rotated under the limiting action of the first nut 5, so that the first bolt 6 slides into the mounting groove 7, and the rotating shaft 8 is rotated according to the need of the arc of the ball valve, the arc profile between the two groups of adjusting wrench blocks 9 and the fixed wrench rod 1 is adjusted, and the second bolt 11 is rotated under the limiting action of the second nut 10, so that the second bolt 11 is inserted into the inner wall of the adjusting groove 12, so as to achieve the effect of stably using the adjusting wrench block 9, and play a role of improving the contact arc of the wrench and different types of ball valves.

[0032] Finally, when different maintenance personnel use wrenches to maintain different types of ball valves, in order to adjust the torque of the wrench for different personnel, through the limiting effect of the telescopic groove 14, the adjusting wrench rod 13 is pulled up and adjusted to the length needed, then the pull block 17 is loosened, under the counteraction of the stretched spring 16, the sliding rod 15 is inserted into the inner wall of the insertion slot 18, the effect of convenient adjustment of the length of the adjusting wrench rod 13 is achieved, and before using the wrench, the protractor 21 can be taken off from the storage hook 20, placed on the outer wall of the ball valve, so that when the wrench is rotated, the angle of the wrench during the maintenance of the ball valve can be observed and recorded, which plays a role in assisting the subsequent maintenance personnel in the maintenance of the ball valve, and through the setting of the anti-skid convex pattern 19, the stability of the wrench rotation is improved, and the safety of the operation is ensured.

[0033] This is the working principle of the wrench for conveniently maintaining the ball valve.

[0034] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application in order to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A wrench for facilitating the maintenance of a ball valve, comprising a fixed lever (1), characterized in that, The outer wall of the fixed lever (1) is threadedly connected with a clamping column (2), the connecting part of the outer wall of the fixed lever (1) and the clamping column (2) is provided with a spiral groove (3), the outer wall of the fixed lever (1) is clamped and connected with a mounting rod (4), the outer wall of the mounting rod (4) is provided with a first nut (5), the inner wall of the first nut (5) is threadedly connected with a first bolt (6) which is threadedly connected with the outer wall of the fixed lever (1), the connecting part of the outer wall of the fixed lever (1) and the first bolt (6) is provided with a mounting groove (7), the end of the mounting rod (4) is rotatably connected with a rotating shaft (8), the outer wall of the rotating shaft (8) is fixedly connected with an adjusting lever block (9), the outer wall of the mounting rod (4) is provided with a second nut (10), the inner wall of the second nut (10) is threadedly connected with a second bolt (11) which is slidingly connected with the outer wall of the rotating shaft (8), the connecting part of the outer wall of the rotating shaft (8) and the second bolt (11) is provided with an adjusting groove (12), the inner wall of the fixed lever (1) is slidingly connected with an adjusting lever (13), the connecting part of the inner wall of the fixed lever (1) and the adjusting lever (13) is provided with an expansion groove (14), the side wall of the fixed lever (1) is slidingly connected with a sliding rod (15) which is slidingly connected with the side wall of the adjusting lever (13), the outer wall of the sliding rod (15) is sleeved with a spring (16) which is fixedly connected with the side wall of the fixed lever (1), one end of the spring (16) is fixedly connected with a pulling block (17) which is fixedly connected with one end of the sliding rod (15), the connecting part of the side wall of the adjusting lever (13) and the sliding rod (15) is provided with a slot (18), the outer wall of the adjusting lever (13) is fixedly connected with an anti-skid convex (19), the outer wall of the adjusting lever (13) is fixedly connected with a storage hook (20), the outer wall of the storage hook (20) is hung with a protractor (21).

2. A wrench for facilitating maintenance of a ball valve according to claim 1, wherein The spiral groove (3) is linearly arranged on the surface of the fixed lever (1), and the connecting part of the outer wall of the clamping column (2) and the spiral groove (3) is provided with an outer spiral.

3. The wrench for facilitating the maintenance of a ball valve according to claim 1, wherein The mounting groove (7) is arranged on the movement track of the first bolt (6), and the mounting rod (4) and the rotating shaft (8) are both provided with two groups, and the positions of the two groups of the mounting rod (4) and the rotating shaft (8) are symmetrically distributed about the central axis of the fixed lever (1).

4. The wrench for facilitating the maintenance of a ball valve according to claim 1, wherein The adjusting lever block (9) forms a turnover structure between the rotating shaft (8) and the mounting rod (4), the adjusting lever block (9) and the rotating shaft (8) are one-to-one correspondingly arranged, and the bottom of the adjusting lever block (9) is in arc shape.

5. The ball valve wrench of claim 1, wherein: The adjusting groove (12) is arranged on the movement track of the second bolt (11), and the adjusting groove (12) is annularly arranged on the outer wall of the rotating shaft (8).

6. The wrench for facilitating the maintenance of a ball valve according to claim 1, wherein The inner wall profile of the expansion groove (14) is adaptively arranged with the outer wall profile of the adjusting lever (13).

7. The ball valve wrench of claim 1, wherein: The slot (18) is linearly arranged on the side wall of the adjusting lever (13) and is used for cooperating with the sliding rod (15).

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