TWM444247U - Crankshaft wrench structure - Google Patents

Description

Crank wrench structure

This creation, in particular, provides a crank-type wrench structure that can be used with a variety of different sizes of sleeves for disassembly and assembly operations to achieve cost reduction and ease of use.

Please refer to FIG. 1 , which is a new patent application of Taiwan Patent Application No. 99211703, " Ratchet Wrench with Adjustable Ratchet Head Angle". The end of the trigger portion 10 is connected to the driving portion 20 by an angle fixing structure 11 , and the driving portion 20 is additionally The end of the ratchet tool 30 is sleeved with a ratcheting tool 30. The ratcheting tool 30 has a ratchet ring 31 directly attached to a disassembling component such as a nut or a bolt head. The trigger portion 10 and the driving portion 20 are provided. An angle fixing structure 11 is disposed between the shank portion 10, and the angle between the driving portion 20 and the driving portion 20 can be adjusted according to the requirement of the operating space. After the angle is fixed, the driving portion 20 can be driven by the trigger portion 10 at the fixed angle. The ratchet tool 30 performs an assembly and disassembly operation.

Please refer to FIG. 2 or to the angle fixing structure 11 between the trigger portion 10 and the driving portion 20, and select to switch to the non-fixed state, and the trigger portion 10 and the driving portion 20 are pivotally connected to drive. The portion 20 and the ratchet tool 30 form a crank shape, and the trigger portion 10 can crank the driving portion 20 and the ratchet tool 30 for a continuous 360-degree rotation to perform the disassembly and assembly operation in a continuous manner.

Referring to FIG. 1 again, since the detachable component such as the nut or the bolt head has various sizes, the ratchet ring 31 at the tip end of the ratchet tool 30 can be fitted to the detachable component at the other end of the driving portion 20. The press button 21 is designed to be replaceably sleeved with ratchet tools 30 of various sizes to match the size of the corresponding disassembling component. However, the manner in which this transformation is used is that the entire set of ratchet tools 30 must be replaced, so that the user must configure the ratchet tool 30 of various sizes, which not only causes the overall cost of the tool set to be too high, but also makes it difficult to carry and change.

In view of this, the creator has been engaged in research and development and production experience of related industries for many years, and has conducted in-depth research on the problems currently faced. After long-term efforts and research, he has finally developed an effective cost reduction and easy transformation. Crank The structure of the wrench is to greatly improve the shortcomings of the prior knowledge. This is the design tenet of the creation.

The purpose of the present invention is to provide a crank-type wrench structure, which comprises a grip portion of a grip portion and a crank seat with a sleeve joint, and the crank seat is provided with a ratchet device for controlling the rotation of the sleeve joint. One end of the other crank handle is coupled to the trigger lever, and the crank rod can be controlled to be connected to the crank seat in a fixed or pivotal manner to drive the crank seat for disassembly and assembly; wherein the crank seat sleeve joint The utility model is a polygonal column, which is sleeved with a sleeve having a multi-angled inner hole, and is matched with a sleeve of various sizes to perform disassembly and assembly work, thereby effectively reducing the cost and facilitating the change of use. Practical benefits.

The second object of the present invention is to provide a crank-type wrench structure, which comprises a handle with a grip and a crank seat with a sleeve joint, and the crank seat is provided with a ratchet device for controlling the rotation of the sleeve joint. One end of the other crank handle is coupled to the trigger lever, and the crank rod can be controlled to be connected to the crank seat in a fixed or pivotal manner to drive the crank seat for disassembly and assembly; wherein the crank seat sleeve joint The utility model is a polygonal sleeved inner hole for splicing a penetrating sleeve having a multi-angled outer tooth, and further reducing the operation space for disassembly and assembly by means of changing a transmissive sleeve of various sizes. , to achieve effective cost reduction and easy to change the practical benefits.

In order to enable the reviewing committee to have a better understanding of the present invention, a preferred embodiment and a drawing will be described in detail. As follows: Please refer to FIG. 3, the crank wrench structure of the first embodiment of the present invention includes There is a handle 40 of the grip portion 41 and a crank seat 50 with a sleeve joint 51. One end of the crank seat 50 is coupled to the trigger rod 40 by an angle fixing structure 42 so that the trigger rod 40 can be controlled to be fixed or pivoted. The crank handle 50 is connected to the crank handle 50 to carry out the disassembly and assembly work. Since the angle fixing structure 42 is a well-known technique in the industry, it will not be described in detail; the crank handle 50 is provided with a ratchet device for controlling the sleeve. In the direction of rotation of the joint 51, the sleeve joint 51 is a polygonal column. In the present embodiment, the sleeve joint 51 is a four-corner shaped column, and the size of the disassembling component such as a nut or a bolt head can be changed. More than the sleeve 60 of various corresponding sizes The sleeve is connected to the inner hole 601. Since the ratchet device in the crank seat 50 is a well-known technology in the industry and is not the main technical feature of the present invention, it will not be described in detail, because the sleeve 51 of the present invention is used for transforming various sockets. The sleeve 60 of the corresponding size is used for the disassembly and assembly operation without replacing the crank seat 50, so that not only the cost can be effectively reduced, but also the carrying and changing can be facilitated.

Referring to FIG. 4 , the crank wrench structure of the first embodiment of the present invention has an angle fixing structure 42 between the trigger lever 40 and the crank seat 50 , so that the trigger lever 40 can adjust the crank handle according to the requirement of the operation space. After the angle of 50 degrees is fixed, the shank 50 and the sleeve can be disassembled and assembled by the ejector lever 40 at the fixed angle.

Referring to FIG. 5 , the crank-type wrench structure of the first embodiment of the present invention has an angle fixing structure 42 between the trigger lever 40 and the crank seat 50 , so that the trigger lever 40 can be selected on the angle fixing structure 42 according to the operation space. Switching to the non-fixed state, that is, in a pivotable manner, the crank lever 40 and the sleeve are rotated by the trigger lever 40 in a crank shape for continuous 360-degree rotation, and the disassembly and assembly components are quickly disassembled and assembled by continuity.

Referring to FIG. 6, the crank-type wrench structure of the second embodiment of the present invention includes a trigger 70 with a grip portion 71 and a crank seat 80 having a sleeve joint 81. One end of the crank seat 80 is fixed at an angle. The structure 72 is coupled to the trigger 70 so that the trigger 70 can control the connection of the crank seat 80 in a fixed or pivotal manner to drive the crank seat 80 for disassembly and assembly. Since the angle fixing structure 72 has been known in the industry. Therefore, the crank seat 80 is provided with a ratchet device, and the sleeve joint 81 is a polygonal sleeve inner hole. In this embodiment, the sleeve 81 is The twelve-corner sleeve is connected to the inner hole, and the size of the disassembling component such as the nut or the bolt head is changed, and the sleeved outer tooth 901 of the penetrating sleeve 90 of various corresponding sizes is changed, because the crank seat 80 is inside. The ratchet device has been a well-known technology in the industry and is not the main technical feature of the present invention. Therefore, the sleeve 81 of the present invention is used for transforming and inserting various types of penetrating sleeves 90 of corresponding sizes for performing. Disassembly and assembly work without the need to replace the crank seat 80, so no It can effectively reduce the cost, easy to carry and can be converted to use.

Referring to FIG. 7, the crank-type wrench structure of the second embodiment of the present invention is provided with an angle fixing structure 72 between the trigger 70 and the crank seat 80, so that the wrench 70 can adjust the crank handle according to the requirements of the operation space. After the angle of 80 is fixed, the crank lever 80 and the penetrating sleeve 90 are driven by the trigger lever 70 at a fixed angle to reduce the operation space for disassembling and assembling the disassembling component. .

Referring to FIG. 8 , the crank-type wrench structure of the second embodiment of the present invention has an angle fixing structure 72 between the trigger lever 70 and the crank seat 80 , so that the trigger lever 70 can be selected on the angle fixing structure 72 according to the operation space. Switching to the non-fixed state, that is, in a pivotable manner, the crank lever 70 drives the crank seat 80 and the penetrating sleeve 90 to perform a continuous 360-degree rotation in a crank shape, and the disassembly and assembly components are quickly performed in continuity. Disassembly and assembly work.

Accordingly, this creation is a practical and progressive design. However, the same products and publications have not been disclosed, so that the requirements for new patent applications are allowed, and applications are filed according to law.

Conventional part:

10‧‧‧ Trigger

10‧‧‧Angle fixed structure

20‧‧‧ Drive Department

21‧‧‧ buckle

30‧‧‧ratchet tool

31‧‧‧ ratchet ring

This creative part:

40‧‧‧Toggles

41‧‧‧ grip

42‧‧‧ Angle fixed structure

50‧‧‧ crank seat

51‧‧‧ joints

60‧‧‧ sleeve

601‧‧‧ socket inner hole

70‧‧‧ wrench

71‧‧‧ grip

72‧‧‧ Angle fixed structure

80‧‧‧ crank seat

81‧‧‧ joints

90‧‧‧Transmissive sleeve

901‧‧‧ socket external teeth

Figure 1: Schematic diagram of a new patent case No. 99211703 (1).

Figure 2: Schematic diagram of the new patent case No. 99211703 (2).

Figure 3: Schematic diagram of the first embodiment of the present creation.

Figure 4: Schematic diagram of the operation of the first embodiment of the present creation (1).

Figure 5: Schematic diagram of the operation of the first embodiment of the present creation (2).

Figure 6: Schematic diagram of the second embodiment of the present creation.

Figure 7: Schematic diagram of the operation of the second embodiment of the present creation (1).

Figure 8: Schematic diagram of the operation of the second embodiment of the present creation (2).

70‧‧‧ wrench

71‧‧‧ grip

72‧‧‧ Angle fixed structure

80‧‧‧ crank seat

81‧‧‧ joints

90‧‧‧Transmissive sleeve

901‧‧‧ socket external teeth

Claims (2)

A crank-type wrench structure includes a grip portion of a grip portion and a crank seat with a sleeve joint. One end of the crank seat is connected to the trigger rod by an angle fixing structure, so that the trigger rod can be controlled to be fixed or pivoted. The connecting manner is connected to drive the crank seat; wherein the sleeve joint of the crank seat is a polygonal sleeve inner hole, and the through sleeves of various corresponding sizes are changed and sleeved to reduce the operation space for disassembly and assembly work. The crank-type wrench structure according to claim 1, wherein the crank seat is provided with a ratchet device to control the rotation direction of the sleeve joint.