Height adjusting device of stainless steel ammonia ball valve

Abstract

The utility model discloses a stainless steel ammonia ball valve height adjusting device which comprises a moving box, a lifting platform, a first gear and a limiting supporting piece, the bottom of the moving box is symmetrically connected with fixed trundles, the lifting platform is arranged in the moving box, the lifting platform is internally connected with a two-way screw rod, and the two-way screw rod is connected with a second gear. A first gear is connected to the end of the two-way screw, and a first fixing sleeve is connected into one end of the top of the lifting table. The two-way screw rod, the first gear, the first fixing sleeve, the manual control rotating piece, the moving rods and the limiting supporting piece are used in cooperation, the distance between the two moving rods and the limiting supporting piece can be conveniently adjusted, ball valves of different specifications can be conveniently limited and supported, the ball valves can be better attached through the arrangement of the limiting grooves, and the service life of the ball valves is prolonged. And the first limiting sliding block slides along the second limiting sliding groove to assist the movable rod to stably move in the limiting groove, and stable supporting performance is provided for movement adjusting work of the limiting supporting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve installation, in particular to a height regulating device for a stainless steel ammonia ball valve. Background Art

[0002] A ball valve is a valve in which the valve stem drives the opening and closing part (ball) and rotates around the axis of the ball valve. Stainless steel ball valves are made of stainless steel and have strong corrosion resistance. Stainless steel ball valves are suitable for a variety of media, such as liquids, gases and steam. They can operate under high temperature, high pressure and harsh working conditions, and have good performance stability.

[0003] Stainless steel ball valves are generally connected to pipelines through flanges. During installation, workers need to lift the ball valve to fit the flange at the end of the ball valve with the flange at the end of the pipeline, and overlap the holes on the flange, and then use bolts to fix the ball valve and pipeline. Due to the heavy weight of the ball valve, during the installation of the ball valve, workers need to keep the ball valve at the same height for a long time, which makes the workers' labor intensity high, the installation of the ball valve is more laborious, and the installation efficiency is low, which needs to be developed urgently. Utility Model Content

[0004] The utility model aims to provide a height adjustment device for a stainless steel ammonia ball valve to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a height adjustment device for a stainless steel ammonia ball valve, comprising a moving box, a lifting platform, a first gear and a limit support, the bottom of the moving box is symmetrically connected with fixed casters, a lifting platform is arranged inside the moving box, a bidirectional screw is connected inside the lifting platform, the end of the bidirectional screw is connected with a first gear, a first fixed sleeve is connected inside one end of the top of the lifting platform, a first transmission rod is connected inside the first fixed sleeve, the top and bottom of the first transmission rod are respectively connected with a manual rotating part and a second gear, the second gear is meshed with one side of the first gear, the outside of the bidirectional screw is symmetrically sleeved with two moving rods, the top of the moving rod is connected to the limit support, and the top of the limit support is connected inside with a limit groove.

[0006] By adopting the above technical scheme, with the coordinated use of the bidirectional screw, the first gear, the first fixed sleeve, the manual rotating part, the moving rod and the limit support, it is convenient to adjust the distance between the two moving rods and the limit support, and it is convenient to provide limit support for ball valves of different specifications. The setting of the limit groove facilitates better fit with the ball valve, providing stability for subsequent installation work. The sliding of the first limit slider along the second limit slider can assist the moving rod to move stably in the limit groove, providing stable support for the movement and adjustment of the limit support.

[0007] The utility model is further configured as follows: a fixed groove block is connected to one side of the moving box, a lubrication rod is connected to the inside of the fixed groove block, an L-shaped sliding block is sleeved on the outside of the lubrication rod, a spring is sleeved on the outside of the lubrication rod, the bottom of the spring is tightly attached to the top of the L-shaped sliding block, a positioning slot matching the hand-controlled rotating disk is connected to the bottom of the L-shaped sliding block, a friction-increasing inner pad is connected to the inner surface of the positioning slot, and an operating groove is connected to one side of the L-shaped sliding block.

[0008] By adopting the above technical solution, when the positioning slot contacts the top of the manual rotating disk, the setting of the friction-increasing inner pad can increase the friction of the manual rotating disk, limit the movement of the manual rotating disk, and prevent the manual rotating disk and the connected third gear from rotating, affecting the use height of the lifting platform.

[0009] The utility model is further configured as follows: a limiting groove is connected inside the top of the lifting platform, and a second limiting sliding groove is connected inside the front side and the rear side of the limiting groove.

[0010] The utility model is further configured as follows: a lifting cylinder is connected to the middle of the bottom of the lifting platform, a hollow cylinder is sleeved on the outside of the lifting cylinder, second limiting sliding blocks are connected to the bottoms of both sides of the lifting cylinder, first limiting sliding grooves are connected to both sides of the inside of the hollow cylinder, and the first limiting sliding grooves are slidably connected to the second limiting sliding blocks.

[0011] The utility model is further configured as follows: the front side and the rear side of the top of the moving rod are connected with a first limiting sliding block, and the first limiting sliding block is slidably connected with the second limiting sliding groove.

[0012] By adopting the above technical solution, the first limit slider slides along the second limit slide groove to assist the moving rod to stably move in the limit groove, providing stable support for the movement and adjustment of the limit support. The utility model is further configured as follows: the interior of the lifting cylinder is connected with a one-way screw, the bottom of the one-way screw is connected to the bottom of the moving box, the end of the one-way screw is connected with a toothed disc, and one side of the top of the toothed disc is meshed with a third gear.

[0013] By adopting the above technical solution, the coordinated use of the toothed disc, the one-way screw, the third gear, the second transmission rod and the manual rotating disc can adjust the range of movement of the lifting cylinder outside the hollow cylinder to adjust the operating height of the lifting platform.

[0014] The utility model is further configured as follows: a fixing seat is connected to the bottom of the rear side of the hollow cylinder, and the hollow cylinder is fixed to the rear side of the moving box through the fixing seat.

[0015] The utility model is further configured as follows: a second transmission rod is connected to one side of the third gear, a second fixing sleeve is connected to the bottom of one side of the moving box, a manual rotating disk is provided on one side of the second fixing sleeve, and the end of the second transmission rod is passed through the second fixing sleeve and connected to the manual rotating disk.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The height adjustment device of the stainless steel ammonia ball valve can adjust the distance between the two moving rods and the limiting support by using the two-way screw, the first gear, the first fixed sleeve, the manual rotating member, the moving rod and the limiting support, so as to facilitate the limiting support of ball valves of different specifications. The setting of the limiting groove facilitates better fitting with the ball valve, and provides stability for subsequent installation work. The first limiting slider slides along the second limiting slide groove to assist the moving rod to move stably in the limiting groove, and provide stable support for the movement and adjustment of the limiting support.

[0018] (2) The height adjustment device of the stainless steel ammonia ball valve can adjust the range of the lifting cylinder to move outside the hollow cylinder through the coordinated use of the gear plate, the one-way screw, the third gear, the second transmission rod and the hand-controlled rotating disk, and is used to adjust the use height of the lifting platform, so that the ball valve supported and limited on the limit support can be well fitted with the pipeline installation part so that it can be kept at the same height, providing convenience for the installation work;

[0019] (3) The height adjustment device of this stainless steel ammonia ball valve can increase the friction of the manual rotating disk by setting a friction-increasing inner pad when the positioning slot contacts the top of the manual rotating disk, thereby limiting the movement of the manual rotating disk and preventing the manual rotating disk and the connected third gear from rotating, thereby affecting the use height of the lifting platform. Subsequently, force is applied to the operating groove to lift the L-shaped sliding block to make it slide along the lubrication rod, and the manual rotating disk without limit can rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle; Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0022] Figure 4 This is a schematic diagram of the top view of the connection structure between the lifting platform and the limit support member of the utility model; Figure 5 It is a side view structural diagram of the connection between the hollow cylinder and the movable box of the utility model.

[0023] In the figure: 1, moving box; 101, fixed caster; 2, lifting platform; 3, two-way screw; 4, first gear; 5, first fixed sleeve; 6, first transmission rod; 7, second gear; 8, manual rotating member; 9, moving rod; 901, first limit slider; 10, limit support; 1001, limit groove; 11, lifting cylinder; 1101, second limit slider; 12, hollow cylinder; 1201, first limit slide groove; 13, one-way screw; 14, toothed disc; 15, third gear; 16, second transmission rod; 17, second fixed sleeve; 18, manual rotating disc; 19, limit groove; 1901, second limit slide groove; 20, fixed slot block; 21, lubrication rod; 22, L-shaped sliding block; 2201, positioning slot; 2202, operating groove; 23, spring; 24, friction-increasing inner pad; 25, fixed seat. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides an embodiment: a height adjustment device for a stainless steel ammonia ball valve, comprising a moving box 1, a lifting platform 2, a first gear 4 and a limit support 10, the bottom of the moving box 1 is symmetrically connected with fixed casters 101, the interior of the moving box 1 is provided with a lifting platform 2, the interior of the lifting platform 2 is connected with a bidirectional screw 3, the end of the bidirectional screw 3 is connected with a first gear 4, one end of the top of the lifting platform 2 is connected with a first fixed sleeve 5, the interior of the first fixed sleeve 5 is connected with a first transmission rod 6, the top and bottom of the first transmission rod 6 are respectively connected with a manual rotating member 8 and a second gear 7, the second gear 7 It is meshed with one side of the first gear 4, and the outer symmetrical sleeve of the bidirectional screw 3 is provided with two moving rods 9. The coordinated use of the bidirectional screw 3, the first gear 4, the first fixed sleeve 5, the manual rotating part 8, the moving rod 9 and the limiting support 10 facilitates the adjustment of the distance between the two moving rods 9 and the limiting support 10, and facilitates the limiting support of ball valves of different specifications; the top of the moving rod 9 is connected to the limiting support 10, and the top of the limiting support 10 is internally connected to the limiting groove 1001, wherein the setting of the limiting groove 1001 facilitates better fitting with the ball valve, and provides stability for subsequent installation work.

[0026] A fixed slot block 20 is connected to one side of the moving box 1, and a lubricating rod 21 is connected to the inside of the fixed slot block 20. The outer sleeve of the lubricating rod 21 is provided with an L-shaped sliding block 22, and the outer sleeve of the lubricating rod 21 is provided with a spring 23. The bottom of the spring 23 is in close contact with the top of the L-shaped sliding block 22. The bottom of the L-shaped sliding block 22 is connected to a positioning slot 2201 matching the manual rotating disk 18, and the inner surface of the positioning slot 2201 is connected to a friction-increasing inner pad 24. An operating groove 2202 is connected to one side of the L-shaped sliding block 22. When the positioning slot 2201 contacts the top of the manual rotating disk 18, the setting of the friction-increasing inner pad 24 can increase the friction of the manual rotating disk 18, limit the positioning of the manual rotating disk 18, and prevent the manual rotating disk 18 and the connected third gear 15 from rotating, thereby affecting the use height of the lifting platform 2.

[0027] A limiting groove 19 is connected to the top of the lifting platform 2, and a second limiting sliding groove 1901 is connected to the front and rear sides of the limiting groove 19.

[0028] A lifting cylinder 11 is connected to the middle of the bottom of the lifting platform 2, a hollow cylinder 12 is sleeved on the outside of the lifting cylinder 11, second limit sliders 1101 are connected to the bottoms of both sides of the lifting cylinder 11, and first limit slide grooves 1201 are connected to both sides of the hollow cylinder 12. The first limit slide grooves 1201 are slidably connected to the second limit slider 1101.

[0029] The front and rear sides of the top of the moving rod 9 are connected with a first limiting slider 901, and the first limiting slider 901 is slidingly connected to the second limiting slot 1901, wherein the sliding of the first limiting slider 901 along the second limiting slot 1901 can assist the moving rod 9 to stably move in the limiting slot 19, and provide stable support for the movement and adjustment of the limiting support 10.

[0030] The inside of the lifting cylinder 11 is connected with a one-way screw 13, the bottom of the one-way screw 13 is connected to the bottom of the moving box 1, the end of the one-way screw 13 is connected with a toothed disc 14, and one side of the top of the toothed disc 14 is meshed with a third gear 15. The coordinated use of the toothed disc 14, the one-way screw 13, the third gear 15, the second transmission rod 16 and the manual rotating disc 18 can adjust the range of the lifting cylinder 11 to move outside the hollow cylinder 12, which is used to adjust the use height of the lifting platform 2. The bottom of the rear side of the hollow cylinder 12 is connected with a fixed seat 25, and the hollow cylinder 12 is fixed to the rear side of the moving box 1 through the fixed seat 25. One side of the third gear 15 is connected with a second transmission rod 16, and the bottom of one side of the moving box 1 is connected with a second fixed sleeve 17, and a manual rotating disc 18 is arranged on one side of the second fixed sleeve 17. The end of the second transmission rod 16 is penetrated by the second fixed sleeve 17 and connected with the manual rotating disc 18.

[0031] When the embodiment of the present application is in use: the two-way screw 3, the first gear 4, the first fixed sleeve 5, the manual rotating part 8, the moving rod 9 and the limit support 10 are used in combination, which facilitates the adjustment of the distance between the two moving rods 9 and the limit support 10, and facilitates the limit support of ball valves of different specifications, wherein the setting of the limit groove 1001 facilitates better fit with the ball valve, and the toothed disk 14, the one-way screw 13, the third gear 15, the second transmission rod 16 and the manual rotating disk 18 are used in combination to adjust the range of the lifting cylinder 11 to move outside the hollow cylinder 12, which is used to adjust the use height of the lifting platform 2, and facilitates the adjustment of the ball valve supported and limited on the limit support 10 to fit well with the pipeline mounting part so that it can be maintained at the same height.

[0032] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. The height adjustment device of the stainless steel ammonia ball valve is characterized by: The invention comprises a moving box (1), a lifting platform (2), a first gear (4) and a limit support (10); the bottom of the moving box (1) is symmetrically connected to a fixed caster (101); the interior of the moving box (1) is provided with a lifting platform (2); the interior of the lifting platform (2) is connected to a bidirectional screw (3); the end of the bidirectional screw (3) is connected to a first gear (4); one end of the top of the lifting platform (2) is connected to a first fixed sleeve (5); the interior of the first fixed sleeve (5) is connected to a first transmission rod (6); the top and bottom of the first transmission rod (6) are respectively connected to a hand-controlled rotating member (8) and a second gear (7); the second gear (7) is meshedly connected to one side of the first gear (4); the exterior of the bidirectional screw (3) is symmetrically sleeved with two moving rods (9); the top of the moving rod (9) is connected to a limit support (10); the top of the limit support (10) is connected to a limit groove (1001).

2. The height adjustment device for a stainless steel ammonia ball valve according to claim 1 is characterized in that: A fixed groove block (20) is connected to one side of the moving box (1), a lubricating rod (21) is connected to the inside of the fixed groove block (20), an L-shaped sliding block (22) is sleeved on the outside of the lubricating rod (21), a spring (23) is sleeved on the outside of the lubricating rod (21), the bottom of the spring (23) is tightly attached to the top of the L-shaped sliding block (22), a positioning groove (2201) matching the hand-controlled rotating disk (18) is connected to the bottom of the L-shaped sliding block (222), a friction-increasing inner pad (24) is connected to the inner surface of the positioning groove (2201), and an operating groove (2202) is connected to one side of the L-shaped sliding block (22).

3. The height adjustment device for a stainless steel ammonia ball valve according to claim 1 is characterized in that: The top of the lifting platform (2) is internally connected to a limiting groove (19), and the front and rear sides of the limiting groove (19) are internally connected to second limiting sliding grooves (1901).

4. The height adjustment device for a stainless steel ammonia ball valve according to claim 3 is characterized in that: A lifting cylinder (11) is connected to the middle of the bottom of the lifting platform (2), a hollow cylinder (12) is sleeved on the outside of the lifting cylinder (11), second limiting sliders (1101) are connected to the bottoms of both sides of the lifting cylinder (11), first limiting slide grooves (1201) are connected to both sides of the hollow cylinder (12), and the first limiting slide grooves (1201) are slidably connected to the second limiting sliders (1101).

5. The height adjustment device for a stainless steel ammonia ball valve according to claim 1 is characterized in that: The front and rear sides of the top of the moving rod (9) are connected to a first limiting sliding block (901), and the first limiting sliding block (901) is slidably connected to a second limiting sliding groove (1901).

6. The height adjustment device for a stainless steel ammonia ball valve according to claim 4 is characterized in that: The interior of the lifting cylinder (11) is connected to a one-way screw rod (13), the bottom of the one-way screw rod (13) is connected to the bottom of the moving box (1), the end of the one-way screw rod (13) is connected to a toothed disc (14), and one side of the top of the toothed disc (14) is toothedly connected to a third gear (15).

7. The height adjustment device for a stainless steel ammonia ball valve according to claim 4 is characterized in that: The bottom of the rear side of the hollow cylinder (12) is connected to a fixing seat (25), and the hollow cylinder (12) is fixed to the rear side of the mobile box (1) via the fixing seat (25).

8. The height adjustment device for a stainless steel ammonia ball valve according to claim 6 is characterized in that: A second transmission rod (16) is connected to one side of the third gear (15); a second fixing sleeve (17) is connected to the bottom of one side of the moving box (1); a hand-controlled rotating disk (18) is provided on one side of the second fixing sleeve (17); and an end of the second transmission rod (16) passes through the second fixing sleeve (17) and is connected to the hand-controlled rotating disk (18).

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