CN211163729U

CN211163729U - Pneumatic ratchet wrench

Info

Publication number: CN211163729U
Application number: CN201922052132.XU
Authority: CN
Inventors: 毛国荣
Original assignee: Hangzhou Litong Machinery Co ltd
Current assignee: Zhejiang Wanke Machinery Co.,Ltd.
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-04
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a pneumatic ratchet wrench, which relates to a pneumatic ratchet wrench and aims at the problem of inconvenient use, the following proposal is proposed, comprising a working ring, wherein the middle of the working ring is fixedly and rotatably connected with a limiting shaft, the other end of the limiting shaft is fixedly and slidably sleeved with a rotating ring, one side of the rotating ring is fixedly connected with a sleeving ring, one side of the sleeving ring is in sliding connection with a magnet, and one side of the magnet is fixedly connected with a mounting pipe in sliding sleeved connection with the sleeving ring, one side of the working ring is rotatably connected with a limiting rod, both sides of the limiting rod are provided with limiting devices, a pushing device is arranged in the working ring, the utility model has simple structure and simple use, can be matched with screws with different specifications, is convenient to work, has simple structural design, is convenient to manufacture, saves cost, and can reduce the volume of the device at the same time, the storage after the use is convenient, and the next use is convenient.

Description

Pneumatic ratchet wrench

Technical Field

The utility model discloses wrench device technical field especially relates to a pneumatic ratchet spanner.

Background

The pneumatic ratchet wrench takes compressed air as power to tighten or loosen a bolt and a nut, and a ratchet wheel and pawl mechanism rotates a straight pneumatic tool of a socket of the mechanical wrench, so that the pneumatic ratchet wrench is convenient to use in partial use occasions.

The existing pneumatic ratchet wrench can work in the using process, but different wrenches need to be replaced when different specifications are fixed, so that the pneumatic ratchet wrench is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pneumatic ratchet spanner has solved awkward problem.

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

the utility model provides a pneumatic ratchet spanner, includes the work circle, the centre fixed rotation of work circle is connected with the dead axle, and the other end fixed slip of injecing the axle has cup jointed and has rotated the circle, one side fixedly connected with cup joints the circle of rotating the circle, sliding connection has magnet in the cup joints the circle, and the installation pipe that one side fixedly connected with of magnet and cup jointed the circle slip, one side of work circle is rotated and is connected with the restriction lever, the both sides of restriction lever all are provided with limiting device, be provided with thrust unit in the work circle, the handle of connection is rotated through the hinge to one side of work circle, one side of work circle is provided with the air vent.

Preferably, the limiting means comprises a ratchet rod rotatably connected with the operating ring, and a spring fixedly connected with the operating ring is fixedly connected to one side of the ratchet rod.

Preferably, the pushing device comprises a gas pipe located on the working ring, one end of the gas pipe is fixedly connected with a gas guide pipe, and the gas guide pipe is connected with an electromagnetic valve.

Preferably, an air guide cavity is arranged between the working ring and the rotating ring, and the cross section of the mounting pipe is of a hexagonal structure.

Preferably, one side of the vent hole is sleeved with a sealing plug, and the sealing plug is made of rubber.

Preferably, the inner wall of the installation pipe is fixedly connected with a rubber pressurizing sleeve,

the utility model has the advantages that:

1: through the detachable installation pipe, can cooperate the screw that uses different specifications, facilitate the work, structural design is comparatively simple simultaneously, conveniently makes, practices thrift the cost.

2: the installation pipe is detached and the handle is folded, so that the size of the device can be reduced, the device is convenient to use and store after completion, and the device is convenient to use next time.

Drawings

Fig. 1 is a schematic sectional view of a pneumatic ratchet wrench according to the present invention;

fig. 2 is a left side sectional view of a pneumatic ratchet wrench according to the present invention;

fig. 3 is a schematic top view of the pneumatic ratchet wrench according to the present invention.

Reference numbers in the figures: 1 working ring, 2 air holes, 3 rotating rings, 4 magnets, 5 sleeving rings, 6 air guide cavities, 7 springs, 8 air conveying pipes, 9 handles, 10 air guide pipes, 11 limiting rods, 12 ratchet rods, 13 mounting pipes and 14 limiting shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a pneumatic ratchet wrench comprises a working ring 1, a limiting shaft 14 is fixedly and rotatably connected in the middle of the working ring 1, a rotating ring 3 is fixedly and slidably sleeved at the other end of the limiting shaft 14, a sleeving ring 5 is fixedly connected at one side of the rotating ring 3, a magnet 4 is slidably connected in the sleeving ring 5, a mounting pipe 13 slidably sleeved with the sleeving ring 5 is fixedly connected at one side of the magnet 4, a limiting rod 11 is rotatably connected at one side of the working ring 1, limiting devices are respectively arranged at two sides of the limiting rod 11, a pushing device is arranged in the working ring 1, a handle 9 is rotatably connected at one side of the working ring 1 through a hinge, an air vent 2 is arranged at one side of the working ring 1, the limiting devices comprise a ratchet rod 12 rotatably connected with the working ring 1, a spring 7 is fixedly connected with the working ring 1 at one side of the ratchet rod 12, the pushing device comprises an air pipe 8 positioned in the working ring 1, one end of the gas pipe 8 is fixedly connected with a gas guide pipe 10, the gas guide pipe 10 is connected with an electromagnetic valve, a gas guide cavity 6 is arranged between the working ring 1 and the rotating ring 3, the cross section of the installation pipe 13 adopts a hexagonal structure, in the using process, the gas is introduced through the gas pipe 8 and then is controlled by the electromagnetic valve to be introduced to the gas guide pipe 10 on one side, so that high-pressure gas has the effect of pressure difference through the gas guide cavity 6, the teeth on the rotating ring 3 are pushed, the rotating ring 3 is driven to rotate, the rotating ring 3, the sleeving ring 5 on the rotating ring 3 and the installation pipe 13 are driven to rotate, the transmission of torque is realized, different ratchet rods 12 are driven to enter the working state through shifting the limiting rod 11, the flowing of the gas is matched with the electromagnetic valve, the rotation in different directions is realized, when screws with different specifications are rotated, through pulling installation pipe 13, drive magnet 4 simultaneously and remove, install the installation pipe 13 of another specification, adsorb fixedly through magnet 4 simultaneously, and the transmission of moment of torsion is guaranteed to the hexagon simultaneously, and handle 9 is folding after the use is accomplished, convenient storage.

One side of air vent 2 has cup jointed the sealing plug, and the sealing plug adopts the rubber material, and the inner wall fixedly connected with rubber of installation pipe 13 adds the pressure jacket, and the sealing jacket is sealed when not using, guarantees the safety of device inner tube, and the buffering when the pressure jacket guarantees to connect simultaneously reduces the wearing and tearing of device, increase of service life.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper" and "lower" are used in the description of the invention,

The terms "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in a descriptive sense and are not intended to imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pneumatic ratchet wrench comprises a working ring (1) and is characterized in that the middle of the working ring (1) is fixedly and rotatably connected with a limit shaft (14), the other end of the limiting shaft (14) is fixedly sleeved with a rotating ring (3) in a sliding manner, one side of the rotating ring (3) is fixedly connected with a sleeving ring (5), the sleeving ring (5) is connected with a magnet (4) in a sliding manner, and one side of the magnet (4) is fixedly connected with an installation tube (13) which is in sliding sleeve joint with the sleeve joint ring (5), one side of the working ring (1) is rotatably connected with a limiting rod (11), limiting devices are arranged on two sides of the limiting rod (11), the novel multifunctional working ring is characterized in that a pushing device is arranged in the working ring (1), one side of the working ring (1) is rotatably connected with a handle (9) through a hinge, and one side of the working ring (1) is provided with a vent hole (2).

2. A pneumatic ratchet wrench according to claim 1, wherein the limiting means comprises a ratchet rod (12) rotatably connected to the operating ring (1), and a spring (7) fixedly connected to the operating ring (1) is fixedly connected to one side of the ratchet rod (12).

3. The pneumatic ratchet wrench as claimed in claim 1, wherein the pushing device comprises an air pipe (8) located on the working ring (1), an air duct (10) is fixedly connected to one end of the air pipe (8), and an electromagnetic valve is connected to the air duct (10).

4. A pneumatic ratchet wrench according to claim 1, characterised in that a venting chamber (6) is provided between the working ring (1) and the rotating ring (3), and the cross-section of the mounting tube (13) is of hexagonal configuration.

5. A pneumatic ratchet wrench as claimed in claim 1, characterised in that a sealing plug is sleeved on one side of the vent (2), the sealing plug being made of rubber.

6. A pneumatic ratchet wrench according to claim 1, in which a rubber compression sleeve is fixedly attached to the inner wall of the mounting tube (13).