Quick fastening structure

Abstract

The utility model provides a quick fastening structure, which relates to the field of valve sleeve fastening and comprises a lower mounting plate, the bottom end of the lower mounting plate is fixedly connected with the top end of a buffer block, the top end of the lower mounting plate is fixedly connected with the bottom end of an adjusting load-bearing component, and the top end of the lower mounting plate is fixedly connected with the bottom end of a limiting support component. The top end of the adjusting bearing assembly is fixedly connected with the bottom end of an upper mounting plate, the top end of the upper mounting plate is fixedly connected with the bottom end of a fixed torsion rotating air cylinder, one side of the fixed torsion rotating air cylinder is fixedly connected with one end of an air outlet pipe, and one side of the fixed torsion rotating air cylinder is fixedly connected with one end of an air inlet pipe. And the bottom end of the lower mounting plate is fixedly connected with the top end of a limiting assembly. According to the valve sleeve cover clamping device, the two-way threaded rod rotates to drive the movable threaded block to move, then the limiting clamping block is driven to move towards the outer wall of the valve sleeve cover, arrangement of a traditional limiting tool is omitted, and the valve sleeve cover can be clamped stably and conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of valve sleeve fastening, in particular to a quick fastening structure. Background Art

[0002] The valve sleeve is a component in the valve, usually located in the center of the valve. It can be used to control the flow and pressure of the fluid, and can also play a sealing role. When tightening the valve sleeve, a quick valve sleeve fastening device is required.

[0003] In the prior art, the valve sleeve fastening device fastens the valve sleeve assembly through a torsional rotating cylinder and a rotating clamp. Since the valve sleeve assembly needs to be placed above the device, the valve sleeve cover is limited by a limiting tool. The limiting effect of the limiting tool on the valve sleeve cover is general, and it is also cumbersome to remove the valve sleeve assembly. Secondly, since the placement space of the device is limited, it is inconvenient to dock the rotating clamp under the torsional rotating cylinder. Utility Model Content

[0004] The purpose of the present utility model is to provide a quick fastening structure to solve the problem that the valve sleeve cover is limited by a limiting tool in the above-mentioned background technology, the limiting effect of the limiting tool on the valve sleeve cover is general, and it is also relatively cumbersome to remove the valve sleeve assembly. Secondly, due to the limited placement space of the device, it is inconvenient to dock the rotating clamp under the torsional rotating cylinder.

[0005] The top end of the lifting link lever is connected with the bottom end of the lifting link, and the bottom end of the lifting link is connected with the lift lever respectively. The bottom end of the plate is fixedly connected to the top end of the limit assembly, and the limit assembly includes a fixed frame, a hollow groove, a limit port, a bidirectional threaded rod, a rotating button, a movable threaded block and a limit clamp, the top end of the lower mounting plate is fixedly connected to the bottom end of the fixed centering tooling, the inner wall of the fixed centering tooling is movably connected to the outer wall of the valve sleeve cover, the top end of the valve sleeve cover is fixedly connected to the bottom end of the first valve sleeve assembly, the top end of the first valve sleeve assembly is movably connected to the bottom end of the first rotating fixture assembly, the first rotating fixture assembly includes a first rotating sleeve and a first connecting sleeve, the top end of the valve sleeve cover is fixedly connected to the bottom end of the second valve sleeve assembly, the top end of the second valve sleeve assembly is movably connected to the bottom end of the second rotating fixture assembly, the second rotating fixture assembly includes a second rotating sleeve and a second connecting sleeve, and a movable groove is opened inside the lower mounting plate.

[0006] As a preferred embodiment, the bottom end of the first fixing rod is fixedly connected to the top of a corner of the lower mounting plate, and a receiving groove is provided inside the first fixing rod, the inner wall of the rotating ring is provided with a bearing, and the inner wall of the rotating ring is rotatably connected to the outer wall of the first fixing rod through the bearing, and the top of the rotating ring is fixedly connected to the bottom end of the threaded ring.

[0007] As a preferred embodiment, the inner wall of the threaded ring is threadedly connected to the outer wall of the movable threaded rod, and the top of the movable threaded rod is fixedly connected to the bottom end of the first connecting rod, the outer wall of the movable threaded rod is movably connected to the inner wall of the storage groove, and the top of the first connecting rod is fixedly connected to the bottom end of the upper mounting plate.

[0008] As a preferred embodiment, the remaining triangles of the lower mounting plate are fixedly connected to the bottom end of the second fixing rod, and a limiting groove is provided inside the second fixing rod, the inner wall of the limiting groove is movably connected to the outer wall of the limiting rod, and the top end of the limiting rod is fixedly connected to the bottom end of the second connecting rod, and the top end of the second connecting rod is fixedly connected to the bottom end of the upper mounting plate.

[0009] As a preferred embodiment, the top end of the fixing bracket is fixedly connected to the bottom end of the lower mounting plate, and a fixing bracket is provided inside the fixing bracket, and a limiting opening is provided at the top of the hollow slot.

[0010] As a preferred embodiment, a bearing is provided on the outer wall of one end of the bidirectional threaded rod, and the outer wall of one end of the bidirectional threaded rod is rotatably connected to the inner wall of the hollow groove through the bearing, and the other end of the bidirectional threaded rod is fixedly connected to one end of the rotating button.

[0011] As a preferred embodiment, a thread groove is provided inside the movable thread block, and the outer walls at both ends of the bidirectional threaded rod are threadedly connected to the inner wall thread groove of the movable thread block, the inner wall of the limiting opening is movably connected to the outer wall of the movable thread block, and the top end of the movable thread block is fixedly connected to the bottom end of the limiting clamp block, and the outer wall of the movable thread block is movably connected to the inner wall of the movable groove.

[0012] As a preferred embodiment, the top end of the first valve sleeve assembly is movably connected to the bottom end of the first rotating sleeve, and the top end of the first rotating sleeve is fixedly connected to the bottom end of the first connecting sleeve, the top end of the second valve sleeve assembly is movably connected to the bottom end of the second rotating sleeve, and the top end of the second rotating sleeve is fixedly connected to the bottom end of the second connecting sleeve, and the inner walls of the first rotating sleeve and the second rotating sleeve are movably plugged into the rotating end of the fixed torque rotating cylinder.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. The utility model places the valve sleeve cover between the fixed centering tooling, and at the same time the valve sleeve cover is located between the limiting clamps. The rotating knob drives the bidirectional threaded rod to rotate, and the rotation of the bidirectional threaded rod drives the movable threaded block to move, thereby driving the limiting clamps to move toward the outer wall of the valve sleeve cover, thereby clamping and limiting the valve sleeve cover, getting rid of the setting of the traditional limiting tooling, and facilitating the clamping and stabilization of the valve sleeve cover.

[0015] 2. According to the utility model, the fixed centering tool is fixed above the lower mounting plate by bolts. First, the threaded ring is rotated to make the threaded ring rotate through the rotating ring, thereby driving the movable threaded rod to move upward, and the movable threaded rod moves upward to drive the first connecting rod to move upward, thereby driving the upper mounting plate to move upward, and the upper mounting plate moves upward to drive the second connecting rod to move upward through the limit of the limit rod, so that the placement space between the lower mounting plate and the upper mounting plate is increased, and the threaded ring is rotated in the opposite direction to drive the movable threaded rod and the first connecting rod to move downward, thereby driving the upper mounting plate to move downward, thereby allowing the rotating end of the upper mounting plate to be inserted into the interior of the first connecting sleeve, thereby facilitating the adjustment of the placement space, facilitating the placement of the valve sleeve cover, and facilitating the docking of the fixed torque rotating cylinder with the first rotating clamp assembly and the second rotating clamp assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a quick fastening structure provided by the utility model;

[0017] Figure 2 A schematic diagram of a lower mounting plate of a quick fastening structure provided by the utility model;

[0018] Figure 3 A schematic diagram of a valve sleeve cover with a quick fastening structure provided by the utility model;

[0019] Figure 4 A schematic diagram of a first valve sleeve assembly of a quick fastening structure provided by the utility model;

[0020] Figure 5 A schematic diagram of a first rotating clamp assembly of a quick fastening structure provided by the present invention;

[0021] Figure 6 A schematic diagram of a second rotating clamp assembly of a quick fastening structure provided by the present invention;

[0022] Figure 7 A cross-sectional view of a position limiting component of a quick fastening structure provided by the utility model;

[0023] Figure 8 A cross-sectional view of an adjustable load-bearing component of a quick fastening structure provided by the utility model;

[0024] Figure 9 This is a cross-sectional view of a position limiting support assembly of a quick fastening structure provided by the utility model.

[0025] Legend:

[0026] 1. Lower mounting plate; 2. Buffer block; 3. Adjustable load-bearing assembly; 301. First fixed rod; 302. Storage groove; 303. Rotating ring; 304. Threaded ring; 305. Moving threaded rod; 306. First connecting rod; 4. Position-limiting support assembly; 401. Second fixed rod; 402. Position-limiting groove; 403. Position-limiting rod; 404. Second connecting rod; 5. Upper mounting plate; 6. Fixed torque rotary cylinder; 7. Exhaust pipe; 8. Inlet pipe; 9. Position-limiting assembly; 901. Fixed bracket; 9 02. Hollow groove; 903. Limiting port; 904. Bidirectional threaded rod; 905. Rotating knob; 906. Moving threaded block; 907. Limiting clamp; 10. Fixed centering fixture; 11. Valve sleeve cover; 12. First valve sleeve assembly; 13. First rotating fixture assembly; 1301. First rotating sleeve; 1302. First connecting sleeve; 14. Second valve sleeve assembly; 15. Second rotating fixture assembly; 1501. Second rotating sleeve; 1502. Second connecting sleeve; 16. Moving groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1-9The utility model provides a technical solution: it includes: a lower mounting plate 1, the bottom end of the lower mounting plate 1 is fixedly connected to the top of the buffer block 2, the top of the lower mounting plate 1 is fixedly connected to the bottom end of the adjusting load-bearing assembly 3, the adjusting load-bearing assembly 3 includes a first fixing rod 301, a receiving groove 302, a rotating ring 303, a threaded ring 304, a movable threaded rod 305 and a first connecting rod 306, the top of the lower mounting plate 1 is fixedly connected to the bottom end of the limiting support assembly 4, the limiting support assembly 4 includes a second fixing rod 401, a limiting groove 402, a limiting rod 403 and a second connecting rod 404, the top of the adjusting load-bearing assembly 3 is fixedly connected to the bottom end of the upper mounting plate 5, the top of the upper mounting plate 5 is fixedly connected to the bottom end of the fixed torque rotating cylinder 6, one side of the fixed torque rotating cylinder 6 is fixedly connected to one end of the outlet pipe 7, one side of the fixed torque rotating cylinder 6 is fixedly connected to one end of the inlet pipe 8, and the bottom end of the lower mounting plate 1 is fixed to the top of the limiting assembly 9 Connection, the limit assembly 9 includes a fixed frame 901, a hollow groove 902, a limit port 903, a bidirectional threaded rod 904, a rotating button 905, a movable threaded block 906 and a limit clamp 907. The top of the lower mounting plate 1 is fixedly connected to the bottom end of the fixed centering tooling 10, the inner wall of the fixed centering tooling 10 is movably connected to the outer wall of the valve sleeve cover 11, the top of the valve sleeve cover 11 is fixedly connected to the bottom end of the first valve sleeve assembly 12, the top of the first valve sleeve assembly 12 is movably connected to the bottom end of the first rotating fixture assembly 13, the first rotating fixture assembly 13 includes a first rotating sleeve 1301 and a first connecting sleeve 1302, the top of the valve sleeve cover 11 is fixedly connected to the bottom end of the second valve sleeve assembly 14, the top of the second valve sleeve assembly 14 is movably connected to the bottom end of the second rotating fixture assembly 15, the second rotating fixture assembly 15 includes a second rotating sleeve 1501 and a second connecting sleeve 1502, and a movable groove 16 is opened inside the lower mounting plate 1.

[0029] In one embodiment, the bottom end of the first fixed rod 301 is fixedly connected to the top of a corner of the lower mounting plate 1, and a receiving groove 302 is provided inside the first fixed rod 301, a bearing is provided on the inner wall of the rotating ring 303, and the inner wall of the rotating ring 303 is rotatably connected to the outer wall of the first fixed rod 301 through the bearing, and the top of the rotating ring 303 is fixedly connected to the bottom end of the threaded ring 304.

[0030] Specifically, the threaded ring 304 is rotated so that the threaded ring 304 is rotated through the rotating ring 303 , thereby driving the movable threaded rod 305 to move upward.

[0031] In one embodiment, the inner wall of the threaded ring 304 is threadedly connected to the outer wall of the movable threaded rod 305, and the top of the movable threaded rod 305 is fixedly connected to the bottom end of the first connecting rod 306, the outer wall of the movable threaded rod 305 is movably connected to the inner wall of the storage groove 302, and the top of the first connecting rod 306 is fixedly connected to the bottom end of the upper mounting plate 5.

[0032] Specifically, the threaded rod 305 moves upward, driving the first connecting rod 306 to move upward, thereby driving the upper mounting plate 5 to move upward.

[0033] In one embodiment, the remaining triangles of the lower mounting plate 1 are fixedly connected to the bottom end of the second fixing rod 401, and a limiting groove 402 is opened inside the second fixing rod 401, the inner wall of the limiting groove 402 is movably connected to the outer wall of the limiting rod 403, and the top end of the limiting rod 403 is fixedly connected to the bottom end of the second connecting rod 404, and the top end of the second connecting rod 404 is fixedly connected to the bottom end of the upper mounting plate 5.

[0034] Specifically, the upper mounting plate 5 moves upward, driving the second connecting rod 404 to move upward through the limitation of the limiting rod 403 , thereby ensuring the stability of the upper mounting plate 5 during movement.

[0035] In one embodiment, the top of the fixing frame 901 is fixedly connected to the bottom of the lower mounting plate 1 , and the fixing frame 901 is provided inside the fixing frame 901 , and a limiting opening 903 is provided at the top of the hollow slot 902 .

[0036] Specifically, the setting of the limiting opening 903 increases the stability of the moving threaded block 906 during movement.

[0037] In one embodiment, a bearing is provided on the outer wall of one end of the bidirectional threaded rod 904, and the outer wall of one end of the bidirectional threaded rod 904 is rotatably connected to the inner wall of the hollow groove 902 through the bearing, and the other end of the bidirectional threaded rod 904 is fixedly connected to one end of the rotating button 905.

[0038] Specifically, it is convenient to move the limiting clamping block 907 and to clamp and limit the valve sleeve cover 11 .

[0039] In one embodiment, a thread groove is provided inside the movable thread block 906, and the outer walls at both ends of the bidirectional threaded rod 904 are threadedly connected to the inner wall thread groove of the movable thread block 906, the inner wall of the limiting opening 903 is movably connected to the outer wall of the movable thread block 906, and the top end of the movable thread block 906 is fixedly connected to the bottom end of the limiting clamp 907, and the outer wall of the movable thread block 906 is movably connected to the inner wall of the movable groove 16.

[0040] Specifically: rotating the rotation button 905 drives the bidirectional threaded rod 904 to rotate, and the rotation of the bidirectional threaded rod 904 drives the movable thread block 906 to move, and then drives the limiting clamping block 907 to move toward the outer wall of the valve sleeve cover 11, thereby clamping the valve sleeve cover 11 and limiting it.

[0041] In one embodiment, the top end of the first valve sleeve assembly 12 is movably connected to the bottom end of the first rotating sleeve 1301, and the top end of the first rotating sleeve 1301 is fixedly connected to the bottom end of the first connecting sleeve 1302, the top end of the second valve sleeve assembly 14 is movably connected to the bottom end of the second rotating sleeve 1501, and the top end of the second rotating sleeve 1501 is fixedly connected to the bottom end of the second connecting sleeve 1502, and the inner walls of the first rotating sleeve 1301 and the second rotating sleeve 1501 are movably plugged into the rotating end of the fixed torque rotating cylinder 6.

[0042] Specifically: the first connecting sleeve 1302 and the second connecting sleeve 1502 are connected to the first rotating sleeve 1301 and the second rotating sleeve 1501 through bolts, and the first connecting sleeve 1302 and the second connecting sleeve 1502 are connected to the cylinder shaft of the fixed torque rotating cylinder 6 through pins, with clearance fit.

[0043] Working principle: The fixed centering tool 10 is fixed on the upper part of the lower mounting plate 1 by bolts, and the threaded ring 304 is first rotated to make the threaded ring 304 rotate through the rotating ring 303, thereby driving the movable threaded rod 305 to move upward, and the movable threaded rod 305 moves upward to drive the first connecting rod 306 to move upward, thereby driving the upper mounting plate 5 to move upward, and the upper mounting plate 5 moves upward to drive the second connecting rod 404 to move upward through the limit of the limit rod 403, so that the placement space between the lower mounting plate 1 and the upper mounting plate 5 is increased, and the valve sleeve cover 11 is placed between the fixed centering tool 10, and the valve sleeve cover 11 is located between the limit clamps 907, and the rotating knob 905 is rotated to drive the bidirectional threaded rod 904 to rotate, and the rotation of the bidirectional threaded rod 904 drives the The movable threaded block 906 moves, thereby driving the limiting clamp 907 to move toward the outer wall of the valve sleeve cover 11, thereby clamping and limiting the valve sleeve cover 11, and rotating the threaded ring 304 in the opposite direction to drive the movable threaded rod 305 and the first connecting rod 306 to move downward, thereby driving the upper mounting plate 5 to move downward, thereby allowing the rotating end of the upper mounting plate 5 to be inserted into the interior of the first connecting sleeve 1302, and controlling the solenoid valve to inflate the fixed torque rotating cylinder 6, thereby driving the first rotating clamp assembly 13 to rotate and tighten the first valve sleeve assembly 12. After the first valve sleeve assembly 12 is tightened, reversely rotate the rotating button 905 to expand the limiting clamp 907, remove the valve sleeve cover 11, rotate it, and then replace it, thereby tightening the second valve sleeve assembly 14.

[0044] 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 quick fastening structure, characterized in that: include: A lower mounting plate (1), wherein the bottom end of the lower mounting plate (1) is fixedly connected to the top end of the buffer block (2), the top end of the lower mounting plate (1) is fixedly connected to the bottom end of the adjustable load-bearing assembly (3), the adjustable load-bearing assembly (3) comprises a first fixed rod (301), a receiving groove (302), a rotating ring (303), a threaded ring (304), a movable threaded rod (305) and a first connecting rod (306), the top end of the lower mounting plate (1) is fixedly connected to the bottom end of the position-limiting support assembly (4), the position-limiting support assembly (4) comprises a second fixed rod (40 1), a limiting groove (402), a limiting rod (403) and a second connecting rod (404), the top of the adjusting load-bearing component (3) is fixedly connected to the bottom end of the upper mounting plate (5), the top of the upper mounting plate (5) is fixedly connected to the bottom end of the fixed torque rotating cylinder (6), one side of the fixed torque rotating cylinder (6) is fixedly connected to one end of the outlet pipe (7), one side of the fixed torque rotating cylinder (6) is fixedly connected to one end of the inlet pipe (8), the bottom end of the lower mounting plate (1) is fixedly connected to the top of the limiting component (9), the limiting component The component (9) includes a fixed frame (901), a hollow groove (902), a limiting opening (903), a bidirectional threaded rod (904), a rotating knob (905), a movable threaded block (906) and a limiting clamp (907), the top end of the lower mounting plate (1) is fixedly connected to the bottom end of the fixed centering tool (10), the inner wall of the fixed centering tool (10) is movably connected to the outer wall of the valve sleeve cover (11), the top end of the valve sleeve cover (11) is fixedly connected to the bottom end of the first valve sleeve assembly (12), the top end of the first valve sleeve assembly (12) is fixedly connected to the first rotating fixture The bottom end of the assembly (13) is movably connected, the first rotating fixture assembly (13) includes a first rotating sleeve (1301) and a first connecting sleeve (1302), the top end of the valve sleeve cover (11) is fixedly connected to the bottom end of the second valve sleeve assembly (14), the top end of the second valve sleeve assembly (14) is movably connected to the bottom end of the second rotating fixture assembly (15), the second rotating fixture assembly (15) includes a second rotating sleeve (1501) and a second connecting sleeve (1502), and a movable groove (16) is provided inside the lower mounting plate (1).

2. A quick fastening structure according to claim 1, characterized in that: The bottom end of the first fixing rod (301) is fixedly connected to the top of a corner of the lower mounting plate (1), and a receiving groove (302) is provided inside the first fixing rod (301). A bearing is provided on the inner wall of the rotating ring (303), and the inner wall of the rotating ring (303) is rotatably connected to the outer wall of the first fixing rod (301) through the bearing. The top end of the rotating ring (303) is fixedly connected to the bottom end of the threaded ring (304).

3. A quick fastening structure according to claim 2, characterized in that: The inner wall of the threaded ring (304) is threadedly connected to the outer wall of the movable threaded rod (305), and the top end of the movable threaded rod (305) is fixedly connected to the bottom end of the first connecting rod (306). The outer wall of the movable threaded rod (305) is movably connected to the inner wall of the receiving groove (302), and the top end of the first connecting rod (306) is fixedly connected to the bottom end of the upper mounting plate (5).

4. A quick fastening structure according to claim 3, characterized in that: The remaining triangles of the lower mounting plate (1) are fixedly connected to the bottom end of the second fixing rod (401), and a limiting groove (402) is provided inside the second fixing rod (401), the inner wall of the limiting groove (402) is movably connected to the outer wall of the limiting rod (403), and the top end of the limiting rod (403) is fixedly connected to the bottom end of the second connecting rod (404), and the top end of the second connecting rod (404) is fixedly connected to the bottom end of the upper mounting plate (5).

5. The quick fastening structure according to claim 1, characterized in that: The top end of the fixing frame (901) is fixedly connected to the bottom end of the lower mounting plate (1), and the fixing frame (901) is provided inside the fixing frame (901), and a limiting opening (903) is provided at the top of the hollow groove (902).

6. The quick fastening structure according to claim 5, characterized in that: A bearing is provided on the outer wall of one end of the bidirectional threaded rod (904), and the outer wall of one end of the bidirectional threaded rod (904) is rotatably connected to the inner wall of the hollow groove (902) through the bearing, and the other end of the bidirectional threaded rod (904) is fixedly connected to one end of the rotating knob (905).

7. The quick fastening structure according to claim 6, characterized in that: A thread groove is provided inside the movable thread block (906), and the outer walls at both ends of the bidirectional threaded rod (904) are threadedly connected to the inner wall thread groove of the movable thread block (906), the inner wall of the limiting opening (903) is movably connected to the outer wall of the movable thread block (906), and the top end of the movable thread block (906) is fixedly connected to the bottom end of the limiting clamp (907), and the outer wall of the movable thread block (906) is movably connected to the inner wall of the movable groove (16).

8. The quick fastening structure according to claim 1, characterized in that: The top end of the first valve sleeve assembly (12) is movably connected to the bottom end of the first rotating sleeve (1301), and the top end of the first rotating sleeve (1301) is fixedly connected to the bottom end of the first connecting sleeve (1302). The top end of the second valve sleeve assembly (14) is movably connected to the bottom end of the second rotating sleeve (1501), and the top end of the second rotating sleeve (1501) is fixedly connected to the bottom end of the second connecting sleeve (1502). The inner walls of the first rotating sleeve (1301) and the second rotating sleeve (1501) are movably plugged into the rotating end of the fixed torque rotating cylinder (6).

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