Reset type handle calipers

Abstract

The utility model discloses reset type handle calipers which comprise a handle, one end of the handle is provided with a calipers assembly in a hinged mode, the calipers assembly comprises a movable calipers and a fixed calipers, the movable calipers are connected with one end of the handle in a threaded mode and arranged at the end of the handle in a sleeved mode, and the handle is provided with an elastic reset assembly. The elastic reset assembly comprises a screw rod and a spring, the screw rod is sleeved with the spring, one end of the fixed caliper is in threaded connection with the screw rod and is transversely arranged on one side of the movable caliper, a positioning baffle is arranged on one side of the movable caliper, and when the handle drives the movable caliper to rotate to a designated position, the movable caliper is fixed through the positioning baffle. According to the reset type handle caliper, the opening angle of a valve can be accurately controlled, rapid and automatic reset of a spring is achieved, major accidents such as medium loss caused by manual operation errors are avoided, and unmanned automatic closing is achieved after the valve is opened.

Description

Technical Field

[0001] The utility model relates to the technical field of tools, in particular to a reset handle caliper. Background Art

[0002] Reset handle calipers are mostly used for automatic reset ball valves. The reset principle is to add a spring to the handle, with a lever-type single-sided spring as the actual principle. The spring is compressed when the handle is opened, and the spring pushes the handle to close when the handle is released. Its function is to rely on the principle of automatic rebound and reset of the spring. It is usually used for normally closed valves with rotary opening and closing. The existing reset handle is prone to excessive rotation angle during operation, and the opening angle of the valve cannot be controlled. Long-term operation will cause irreversible damage to the reset valve, resulting in unnecessary loss of the medium and even safety accidents. Utility Model Content

[0003] In view of the above problems, the utility model provides a reset handle caliper.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reset handle caliper, comprising a handle, a caliper assembly hingedly provided at one end of the handle, the caliper assembly comprising a movable caliper and a fixed caliper, the movable caliper being threadedly connected and sleeved on one end of the handle, the handle being provided with an elastic reset assembly, the elastic reset assembly comprising a screw and a spring, the spring being sleeved on the screw, one end of the fixed caliper being threadedly connected to the screw and being transversely arranged to one side of the movable caliper, a positioning baffle being provided on one side of the movable caliper, and when the handle drives the movable caliper to rotate to a specified position, the positioning baffle forms a limiting abutment with one end of the fixed caliper.

[0005] Preferably, a threaded interface is provided on the outer peripheral surface of the handle facing the movable caliper, and the movable caliper is sequentially provided with an articulated sleeve, a connecting part and a clamping part, the articulated sleeve is provided with a threaded inner wall adapted to the threaded interface, one end of the connecting part is connected to the articulated sleeve, and the clamping part is connected to the other end of the connecting part, and the positioning baffle is arranged on the outer end surface of the clamping part and close to one side of the connecting part.

[0006] Preferably, the clamping portion is arranged in a semicircular shape on a side away from the connecting portion, and an octagonal through hole is provided through the axial center of the semicircular shape of the connecting portion.

[0007] Preferably, a hinge seat and a locking panel are provided on the fixed caliper, a hinge hole is transversely provided on the hinge seat, a hinge bolt is provided on the hinge hole, the hinge bolt is rotatably arranged in the hinge hole, a limiting convex ring is provided on one side of the hinge bolt, the outer diameter of the limiting convex ring is larger than the outer diameter of the hinge bolt, a limiting hole matched with the limiting convex ring is provided on one side of the hinge hole, one end of the screw rod extends and is tightened in the hinge bolt, and a first screw hole matched with the screw rod is provided on the hinge bolt.

[0008] Preferably, a clearance opening is provided in the middle of the hinged seat and toward the handle, and the clearance opening is opened at an angle of 90°.

[0009] Preferably, the hinge sleeve is provided with a clearance through hole for the movable displacement of the screw rod.

[0010] Preferably, a first convex ring is provided on a side of the hinge sleeve away from the connecting portion, and a second convex ring is provided on a side of the hinge seat corresponding to the first convex ring.

[0011] Preferably, a T-shaped support sleeve, a gasket and a tightening nut are sequentially arranged on the side of the screw away from the hinge sleeve, one end of the spring is pressed against the T-shaped support sleeve, a first mounting hole for the screw to pass through is provided on the T-shaped support sleeve, the gasket is attached to the T-shaped support sleeve away from the spring, a second mounting hole for the screw to pass through is provided on the gasket, a third mounting hole is provided on the tightening nut, and the tightening nut is tightened on one side of the gasket.

[0012] Preferably, two groups of locking holes are symmetrically provided on the locking panel, and a corresponding inner annular surface is provided on a side of the locking panel facing the clamping portion.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the articulated sleeve and the handle are connected by threads, and the locking panel is fixed to the valve through two sets of lock holes, wherein the screw is threadedly connected to the articulated bolt on the articulated seat, so that the handle drives the movable caliper to rotate by means of the articulated bolt, and when rotated to a specified angle, the positioning baffle on one side of the clamping part rotates clockwise to one side of the locking panel and forms abutment, thereby being able to accurately control the valve opening angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the caliper assembly of the utility model;

[0016] Figure 3 This is an exploded view of the structure of the fixed caliper of the utility model;

[0017] Figure 4 It is an exploded view of the local structure of the utility model;

[0018] Figure 5 It is a partial cross-sectional view of the handle and the fixed caliper of the utility model.

[0019] In the figure: 1. handle; 2. caliper assembly; 3. movable caliper; 4. fixed caliper; 5. elastic reset assembly; 8. screw; 9. spring; 10. positioning baffle; 11. threaded interface; 12. hinge sleeve; 13. connecting part; 14. clamping part; 15. threaded inner wall; 16. octagonal through hole; 17. hinge seat; 18. locking panel; 19. hinge hole; 20. hinge bolt; 21. limiting convex ring; 23. limiting hole; 24. first screw hole; 25. clearance opening; 26. clearance through hole; 27. first convex ring; 28. second convex ring; 29. ​​T-shaped support sleeve; 30. gasket; 31. tightening nut; 32. first mounting hole; 33. second mounting hole; 34. third mounting hole; 35. locking hole; 36. inner annular surface. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] Example: As attached Figures 1 to 5 The reset handle caliper shown in the figure comprises a handle 1, one end of which is hingedly provided with a caliper assembly 2, the caliper assembly 2 comprises an active caliper 3 and a fixed caliper 4, the active caliper 3 is threadedly connected and sleeved on one end of the handle 1, the handle 1 is provided with an elastic reset assembly 5, the elastic reset assembly 5 comprises a screw 8 and a spring 9, the spring 9 is sleeved on the screw 8, one end of the fixed caliper 4 is threadedly connected to the screw 8 and is transversely arranged on one side of the active caliper 3, a positioning baffle 10 is provided on one side of the active caliper 3, and when the handle 1 drives the active caliper 3 to rotate to a specified position, the positioning baffle 10 0 forms a limited abutment with one end of the fixed caliper 4, the hinge sleeve 12 is connected to the handle 1 through a thread, and the locking panel 18 is fixed to the valve through two sets of lock holes 35, wherein the screw 8 is threadedly connected to the hinge bolt 20 on the hinge seat 17, so that the handle 1 drives the movable caliper 3 to clamp the valve stem and rotate using the hinge bolt 20. When it rotates to a specified angle, the positioning baffle 10 on one side of the clamping part 14 rotates clockwise to one side of the locking panel 18 and forms an abutment, which can accurately control the opening angle of the valve, and the spring 9 quickly and automatically resets to avoid major accidents such as mass loss caused by manual operation errors. After opening, no one automatically closes.

[0022] As attached Figure 4 and attached Figure 5 As shown, a threaded interface 11 is provided on the outer peripheral surface of the handle 1 facing the movable caliper 3, and an articulated sleeve 12, a connecting portion 13 and a clamping portion 14 (an integrated structure) are sequentially provided on the movable caliper 3. A threaded inner wall 15 adapted to the threaded interface 11 is provided on the articulated sleeve 12, one end of the connecting portion 13 is connected to the articulated sleeve 12, and the clamping portion 14 is connected to the other end of the connecting portion 13. The positioning baffle 10 is arranged on the outer end surface of the clamping portion 14 and close to one side of the connecting portion 13. The connection structure is stable and easy to disassemble.

[0023] As attached Figure 4 As shown, the clamping portion 14 is arranged in a semicircular shape on one side away from the connecting portion 13, and an octagonal through hole 16 is opened through the axial center position of the semicircular shape of the connecting portion 13. The designed semicircular shape is to prevent the clamping portion 14 from forming structural interference with the fixed caliper 4 when rotating, and the octagonal through hole 16 is opened to adapt to the installation angle of different types of valve nuts.

[0024] As attached Figure 3 and attached Figure 5 As shown, the fixed caliper 4 is provided with a hinge seat 17 and a locking panel 18 (an integrated structure), the hinge seat 17 is transversely provided with a hinge hole 19, the hinge hole 19 is provided with a hinge bolt 20, the hinge bolt 20 is rotatably set in the hinge hole 19, a limiting convex ring 21 (an integrated structure) is provided on one side of the hinge bolt 20, the outer diameter of the limiting convex ring 21 is larger than the outer diameter of the hinge bolt 20, a limiting hole 23 matched with the limiting convex ring 21 is provided on one side of the hinge hole 19, one end of the screw rod 8 extends and is tightened in the hinge bolt 20, and a first screw hole 24 matched with the screw rod 8 is provided on the hinge bolt 20, the locking panel 18 is used to form a lock with the valve, provide a better supporting force for the rotation of the handle 1, and the rotatably set hinge bolt 20 is connected with the screw rod 8, so that the handle 1 can rotate clockwise and reset counterclockwise.

[0025] As attached Figure 3 As shown, a clearance opening 25 is provided in the middle of the hinge seat 17 and toward the handle 1. The clearance opening 25 is opened at an angle of 90° to facilitate the internal screw rod 8 to make way when the handle 1 rotates, thereby avoiding the screw rod 8 from getting stuck when rotating.

[0026] As attached Figure 2 As shown, the hinge sleeve 12 is provided with a clearance hole 26 for the movable displacement of the screw rod 8. When the screw rod 8 rotates, due to the excessive pressure received, the screw rod 8 will be twisted and deformed to a certain extent. In order to prevent the screw rod 8 from getting stuck, the clearance hole 26 is provided on the hinge sleeve 12 to have a better clearance effect.

[0027] As attached Figure 1 and attached Figure 2 As shown, a first convex ring 27 (an integrated structure) is provided on the side of the articulated sleeve 12 away from the connecting portion 13, and a second convex ring 28 (an integrated structure) is provided on the side of the articulated seat 17 corresponding to the first convex ring 27. The first convex ring 27 and the second convex ring 28 can be equipped with padlocks to prevent illegal operations by non-operating personnel, which is safe and reliable.

[0028] As attached Figure 4 and attached Figure 5 As shown, a T-shaped support sleeve 29, a gasket 30 and a tightening nut 31 are sequentially arranged on the side of the screw rod 8 away from the hinge sleeve 12, one end of the spring is pressed against the T-shaped support sleeve 29, and a first mounting hole 32 for the screw rod 8 to pass through is opened on the T-shaped support sleeve 29, the gasket 30 is attached to the T-shaped support sleeve 29 away from the side of the spring, and a second mounting hole 33 for the screw rod 8 to pass through is opened on the gasket 30, and a third mounting hole 34 is opened on the tightening nut 31, and the tightening nut 31 is tightened on one side of the gasket 30, and the T-shaped support sleeve 29 is used to support the spring, and the tightening nut 31 can be used to adjust the torque of the spring, which can meet the requirements of all rotary valves with automatic reset handles 1.

[0029] As attached Figure 5 As shown, two groups of lock holes 35 are symmetrically opened on the locking panel 18, and a corresponding inner ring surface 36 is opened on the locking panel 18 toward the clamping part 14. The two groups of lock holes 35 are used to facilitate calibration, and the inner ring surface 36 is used to adapt to the outer contour of the clamping part, reduce the gap between the structures, and improve the aesthetics of the equipment.

[0030] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

Claims

1. A reset handle caliper, comprising a handle (1), characterized in that: A caliper assembly (2) is hingedly provided at one end of the handle (1), and the caliper assembly (2) includes a movable caliper (3) and a fixed caliper (4). The movable caliper (3) is threadedly connected and sleeved on one end of the handle (1). An elastic reset assembly (5) is provided on the handle (1), and the elastic reset assembly (5) includes a screw rod (8) and a spring (9). The spring (9) is sleeved on the screw rod (8). One end of the fixed caliper (4) is threadedly connected to the screw rod (8) and is transversely arranged on one side of the movable caliper (3). A positioning baffle (10) is provided on one side of the movable caliper (3). When the handle (1) drives the movable caliper (3) to rotate to a specified position, the positioning baffle (10) and one end of the fixed caliper (4) are shaped The fixed caliper (4) is provided with a hinge seat (17) and a locking panel (18); a hinge hole (19) is transversely provided on the hinge seat (17); a hinge bolt (20) is provided on the hinge hole (19); the hinge bolt (20) is rotatably arranged in the hinge hole (19); a limiting convex ring (21) is provided on one side of the hinge bolt (20); the outer diameter of the limiting convex ring (21) is larger than the outer diameter of the hinge bolt (20); a limiting hole (23) matched with the limiting convex ring (21) is provided on one side of the hinge hole (19); one end of the screw rod (8) extends and is screwed into the hinge bolt (20); and a first screw hole (24) matched with the screw rod (8) is provided on the hinge bolt (20).

2. A reset handle caliper according to claim 1, characterized in that: A threaded interface (11) is provided on the outer peripheral surface of the handle (1) facing the movable caliper (3); the movable caliper (3) is provided with an articulated sleeve (12), a connecting portion (13) and a clamping portion (14) in sequence; the articulated sleeve (12) is provided with a threaded inner wall (15) adapted to the threaded interface (11); one end of the connecting portion (13) is connected to the articulated sleeve (12); the clamping portion (14) is connected to the other end of the connecting portion (13); and the positioning baffle (10) is provided on the outer end surface of the clamping portion (14) and close to one side of the connecting portion (13).

3. A reset handle caliper according to claim 2, characterized in that: The clamping portion (14) is arranged in a semicircular shape on a side away from the connecting portion (13), and an octagonal through hole (16) is provided through the axial center of the semicircular shape of the connecting portion (13).

4. The reset handle caliper according to claim 1, characterized in that: A clearance opening (25) is provided in the middle of the hinge seat (17) and on the side facing the handle (1), and the clearance opening (25) is opened at an angle of 90°.

5. The reset handle caliper according to claim 2, characterized in that: The hinge sleeve (12) is provided with a clearance through hole (26) for the screw rod (8) to move movably.

6. A reset handle (1) caliper according to claim 2, characterized in that: A first convex ring (27) is provided on the side of the hinge sleeve (12) away from the connecting portion (13), and a second convex ring (28) is provided on the side of the hinge seat (17) corresponding to the first convex ring (27).

7. The reset handle caliper according to claim 2, characterized in that: A T-shaped support sleeve (29), a gasket (30) and a tightening nut (31) are sequentially arranged on the side of the screw rod (8) away from the hinge sleeve (12); one end of the spring is pressed against the T-shaped support sleeve (29); a first mounting hole (32) for the screw rod (8) to pass through is provided on the T-shaped support sleeve (29); the gasket (30) is attached to the T-shaped support sleeve (29) away from the spring; a second mounting hole (33) for the screw rod (8) to pass through is provided on the gasket (30); a third mounting hole (34) is provided on the tightening nut (31); and the tightening nut (31) is tightened on one side of the gasket (30).

8. The reset handle caliper according to claim 1, characterized in that: The locking panel (18) is symmetrically provided with two groups of locking holes (35), and the locking panel (18) is provided with a corresponding inner annular surface (36) on one side facing the clamping portion (14).

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