CN221088829U - Multipurpose wrench with adjustable opening - Google Patents

Abstract

The utility model discloses an opening-adjustable multipurpose wrench which comprises a handle and a wrench head, wherein the wrench head comprises a fixed wrench head and a movable wrench head, a driving threaded rod is rotatably arranged in the fixed wrench head, a movable wrench head is sleeved on the threaded rod, an adjusting component for driving the threaded rod to rotate is arranged on the handle, the adjusting component comprises a worm, the worm is arranged at one end, far away from the wrench head, of the handle, and a stress application rod penetrates through the handle. According to the utility model, in the process of adjusting the opening size of the spanner head and adapting the joint nut, the spanner head can be directly operated in the box to clamp the joint nut without repeatedly taking and placing the spanner inside and outside the box to adjust the opening size of the spanner head, so that the structure is simple, the operation is convenient, and the time and the labor are saved.

Description

Multipurpose wrench with adjustable opening

Technical Field

The utility model relates to the technical field of wrenches, in particular to an opening-adjustable multipurpose wrench.

Background

The wrench is a common installation and disassembly tool. A hand tool for tightening the openings or trepanning fasteners of bolts, screws, nuts and other threads using lever principles.

The Chinese patent application spanner with the prior publication number of CN216265706U, which is used in a special adjustable occasion, comprises a handle, a handle head and a stress application rod, wherein a round hole is arranged at the rear end of the handle, the stress application rod is arranged in the round hole, the front end of the handle is provided with the handle head vertical to the handle, the handle head comprises a fixed handle head fixed on the handle and a movable handle head movably connected with the fixed handle head, a chute is arranged on the fixed handle head, a screw is arranged at the lower end of the movable handle head, and the screw is movably arranged in the chute through a fixed screw. "

In the above-mentioned published patent, when the nut fastening or dismantlement of case inner tube joint through the spanner, need adjust handle head opening size according to the nut specification, all need adjust at the handle head end at every turn, need take out the spanner promptly and adjust, match with the nut again, if unsuitable, will continue to get and put the spanner and adjust, waste time and energy.

Disclosure of utility model

The utility model aims at: in order to solve the technical problems mentioned in the background art, an opening-adjustable multipurpose wrench is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multipurpose spanner with adjustable opening, includes handle and spanner head, the spanner head is including fixed binding clip and activity binding clip, the inside drive threaded rod that rotates of fixed binding clip is installed, and the activity binding clip cover is established on the threaded rod, drive threaded rod pivoted adjusting part is installed to the handle, adjusting part includes the worm, and the one end that the spanner head was kept away from at the handle is installed to the worm, it has the afterburning pole to run through on the handle.

As a further description of the above technical solution:

The adjusting assembly further comprises a first transmission shaft and a second transmission shaft, the two groups of transmission shafts are rotatably arranged at two ends of the handle, a belt is connected between the two groups of transmission shafts in a transmission mode, the first transmission shaft is arranged at one end, close to the worm, of the handle, a worm wheel is fixedly sleeved on the first transmission shaft, and the worm is in meshed connection with the worm wheel.

As a further description of the above technical solution:

the second transmission shaft is fixedly sleeved with a second gear, the threaded rod is fixedly sleeved with a first gear, and the two groups of gears are in meshed connection.

As a further description of the above technical solution:

The fixed binding clip is L type structure, has seted up the spout on L type structure's the horizontal end, and sliding connection has the slide bar in the spout, slide bar one end and movable binding clip fixed connection, and the other end cover of slide bar is established on the threaded rod.

As a further description of the above technical solution:

the handle is longitudinally provided with a plurality of through holes for accommodating the stressing rod to pass through.

As a further description of the above technical solution:

The worm gear and the gears are arranged at one ends of the transmission shafts and the threaded rod, and the belt is arranged at the other ends of the transmission shafts.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. According to the utility model, the worm is rotated, the worm wheel is driven to drive the first transmission shaft to rotate, the second transmission shaft is driven to drive the second gear to rotate under the action of belt transmission, the first gear is driven to drive the threaded rod to rotate, the sliding rod is driven to drive the movable binding clip to move, so that the movable binding clip is clamped on the joint nut, and the fixed binding clip and the movable binding clip are tightly clamped on the joint nut under the action of thread self-locking, gear meshing and worm wheel self-locking. In the process of adjusting the opening size of the spanner head and adapting the joint nut, the spanner does not need to be repeatedly taken and put inside and outside the box to adjust the opening size of the spanner head, the spanner head can be directly operated in the box to clamp the joint nut, the structure is simple, the operation is convenient, and the time and the labor are saved.

2. According to the utility model, the handle is longitudinally provided with the through holes for accommodating the stressing rods, the positions of the stressing rods are adjusted according to the depth of the stressing rods extending into the box, so that the force arm is convenient to adjust and apply force, the force is saved, and the operation handle is convenient to drive the spanner head to rotate.

Drawings

Fig. 1 shows a schematic perspective view of an opening-adjustable multipurpose wrench according to an embodiment of the utility model;

Fig. 2 is a schematic diagram showing an internal structure of an opening-adjustable multipurpose wrench according to an embodiment of the utility model;

Fig. 3 shows a schematic front section view of an opening-adjustable multipurpose wrench according to an embodiment of the utility model.

Legend description:

1. A handle; 101. a through hole; 21. fixing the clamp head; 2101. a chute; 22. a movable clamp head; 23. a slide bar; 24. a threaded rod; 3. a stress application rod; 41. a worm; 42. a first drive shaft; 43. a belt; 44. a second drive shaft; 45. a worm wheel; 46. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a multipurpose spanner with adjustable opening, including handle 1 and spanner head, the spanner head includes fixed binding clip 21 and activity binding clip 22, the drive threaded rod 24 is installed in the inside rotation of fixed binding clip 21, fixed binding clip 21 is L type structure, the spout 2101 has been seted up on the horizontal end of L type structure, sliding connection has slide bar 23 in spout 2101, slide bar 23 one end and activity binding clip 22 fixed connection, the other end cover of slide bar 23 is established on threaded rod 24, drive threaded rod 24 pivoted adjusting part is installed to handle 1, adjusting part includes worm 41, first transmission shaft 42 and second transmission shaft 44, worm 41 installs the one end of keeping away from the spanner head at handle 1, two sets of transmission shafts rotate and install at handle 1 both ends, the transmission is connected with belt 43 between the two sets of transmission shafts, first transmission shaft 42 is installed and is close to the one end of worm 41 at handle 1, fixed cover is equipped with worm wheel 45 on the first transmission shaft 42, worm 41 and worm wheel 45 meshing connection, fixed cover is equipped with second gear 46 on the second transmission shaft 44, fixed cover is equipped with first gear on 24, two sets of gear meshing connection.

The wrench head opening is clamped on the joint nut of the box inner pipe to be fastened or detached, and the size of the wrench head opening is adjusted according to the specification of the joint nut, so that the wrench head opening size is matched with the specification of the joint nut. Specifically, the worm 41 is rotated, the worm wheel 45 is driven to drive the first transmission shaft 42 to rotate, the second transmission shaft 44 is driven to drive the second gear 46 to rotate under the transmission action of the belt 43, the first gear is driven to drive the threaded rod 24 to rotate according to the gear engagement principle, the sliding rod 23 is driven to drive the movable clamp head 22 to move according to the thread transmission principle, the movable clamp head 22 is clamped on the joint nut, the fixed clamp head 21 and the movable clamp head 22 are tightly clamped on the joint nut under the thread self-locking action, the gear engagement action and the worm and gear self-locking action, after the clamping, the worker holds the stressing rod 3 to insert into the through hole 101, and the handle 1 is driven to rotate the spanner head by applying force to the stressing rod 3, so that the fastening and the dismounting of the joint nut are completed. In the process of adjusting the opening size of the wrench head and adapting the joint nut, the wrench head can be directly operated in the box to clamp the joint nut without repeatedly taking and placing the wrench inside and outside the box to adjust the opening size of the wrench head, and the wrench head clamping device is simple in structure, convenient to operate, time-saving and labor-saving.

Specifically, as shown in fig. 1, the handle 1 is provided with a plurality of through holes 101 for accommodating the stressing rod 3 along the longitudinal direction, and the position of the stressing rod 3 is adjusted according to the depth of the stressing rod extending into the box, so that the force arm is conveniently adjusted to apply force, the force is saved, and the handle 2 is conveniently operated to drive the spanner head to rotate.

Specifically, as shown in fig. 3, a set of worm gear 45 and two sets of gears are arranged at one end of two sets of transmission shafts and one set of threaded rod 24, a belt 43 is arranged at the other end of the two sets of transmission shafts, and the installation of the stressing rod 3 on the handle is not interfered.

Working principle: when the wrench is used, the wrench head opening is clamped on the joint nut of the box inner pipe to be fastened or detached, and the wrench head opening is adjusted according to the specification of the joint nut, so that the wrench head opening is matched with the specification of the joint nut. Specifically, the worm 41 is rotated, the worm wheel 45 is driven to drive the first transmission shaft 42 to rotate, the second transmission shaft 44 is driven to drive the second gear 46 to rotate under the transmission action of the belt 43, the first gear is driven to drive the threaded rod 24 to rotate according to the gear engagement principle, the slide rod 23 is driven to drive the movable clamp head 22 to move according to the thread transmission principle, so that the movable clamp head 22 is clamped on the joint nut, and the fixed clamp head 21 and the movable clamp head 22 are tightly clamped on the joint nut under the thread self-locking action, the gear engagement action and the worm and gear self-locking action;

Secondly, a worker holds the stressing rod 3 to insert into the through hole 101, adjusts the position of the stressing rod 3 according to the depth of the stressing rod extending into the box, conveniently adjusts the force arm to apply force, and drives the spanner head to rotate through applying force to the stressing rod 3 to drive the handle 1 to complete fastening and dismounting of the butt joint nut;

In the process of adjusting the opening size of the wrench head and adapting the joint nut, the wrench head can be directly operated in the box to clamp the joint nut without repeatedly taking and placing the wrench inside and outside the box to adjust the opening size of the wrench head, and the wrench head clamping device is simple in structure, convenient to operate, time-saving and labor-saving.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a multipurpose spanner with adjustable opening, includes handle (1) and spanner head, its characterized in that, the spanner head includes fixed binding clip (21) and activity binding clip (22), drive threaded rod (24) is installed in fixed binding clip (21) inside rotation, and activity binding clip (22) cover is established on threaded rod (24), drive threaded rod (24) pivoted adjusting part is installed in handle (1), adjusting part includes worm (41), and one end that the spanner head was kept away from in handle (1) is installed to worm (41), run through on handle (1) has afterburning pole (3).

2. The multipurpose wrench with adjustable opening according to claim 1, wherein the adjusting assembly further comprises a first transmission shaft (42) and a second transmission shaft (44), the two sets of transmission shafts are rotatably mounted at two ends of the handle (1), a belt (43) is connected between the two sets of transmission shafts in a transmission manner, the first transmission shaft (42) is mounted at one end, close to the worm (41), of the handle (1), a worm wheel (45) is fixedly sleeved on the first transmission shaft (42), and the worm (41) is meshed with the worm wheel (45).

3. The multipurpose wrench with adjustable opening according to claim 2, wherein the second gear (46) is fixedly sleeved on the second transmission shaft (44), the first gear is fixedly sleeved on the threaded rod (24), and the two sets of gears are in meshed connection.

4. The multipurpose wrench with adjustable opening according to claim 3, wherein the fixed jaw (21) is of an L-shaped structure, a sliding groove (2101) is formed in a horizontal end of the L-shaped structure, a sliding rod (23) is slidably connected in the sliding groove (2101), one end of the sliding rod (23) is fixedly connected with the movable jaw (22), and the other end of the sliding rod (23) is sleeved on the threaded rod (24).

5. The multipurpose wrench with adjustable opening according to claim 4, wherein the handle (1) is provided with a plurality of through holes (101) for receiving the stressing rod (3) therethrough in a longitudinal direction.

6. The multipurpose wrench with adjustable opening according to claim 5, wherein one worm gear (45) and two gears are disposed at one end of two sets of transmission shafts and one threaded rod (24), and the belt (43) is disposed at the other end of the two sets of transmission shafts.