Socket wrench with folding structure

Abstract

The utility model is applicable to the technical field of socket wrenches, and provides a socket wrench with a folding structure, which comprises a first connecting rod, the upper portion of the first connecting rod is rotationally matched with a second connecting rod through a pin rod. The first gear is arranged in an inner cavity of the first connecting rod; the pin rod extends to the inner side of the first connecting rod and is sleeved with a second gear; the first gear is meshed with the second gear; a holding wheel is arranged on the outer side, extending to the first connecting rod, of the pin rod; the fixing block is arranged at the top of the second connecting rod; a wrench head is arranged on the side, away from the second connecting rod, of the fixing block. The fixing block is in threaded fit with the wrench head; according to the socket spanner, the second connecting rod with the folding function is arranged, when the socket spanner is not used, the second connecting rod can be rotationally contained in the through groove, then the spanner head and the fixing block are separated in a screwing mode in a detachable connection mode, and therefore the socket spanner is compact and convenient to carry and store. Meanwhile, the socket spanner is suitable for various working occasions and has stability and reliability.

Description

Technical Field

[0001] The utility model belongs to the technical field of socket wrenches, and in particular relates to a socket wrench with a folding structure. Background Art

[0002] A socket wrench is a commonly used hand tool used to tighten or loosen bolts and nuts. A traditional socket wrench usually consists of a fixed rod and a connecting rod. The connecting rod is driven by a handle to rotate the fixed rod, thereby tightening or loosening bolts and nuts.

[0003] However, the connecting rod of a conventional socket wrench is usually fixed, and due to its large overall size and lack of compactness, it brings certain inconveniences to carrying and storing; especially when it is necessary to frequently carry a tool box or tool backpack for outdoor work or maintenance work, the conventional socket wrench will take up a lot of space, making it inconvenient to carry other tools or items. Utility Model Content

[0004] The utility model provides a socket wrench with a folding structure, aiming to solve the problem that a traditional socket wrench connecting rod is usually fixed, and due to its large overall size and lack of compactness, it brings certain inconveniences in carrying and storing; especially when it is necessary to frequently carry a tool box or a tool backpack for outdoor work or maintenance work, the traditional socket wrench will take up a lot of space, making it inconvenient to carry other tools or items.

[0005] The utility model is implemented as follows: a socket wrench with a folding structure comprises a first connecting rod; the upper position of the first connecting rod is matched with a second connecting rod through a pin rod for rotation; a first gear is arranged in the inner cavity of the first connecting rod; the pin rod extends to the inner side of the first connecting rod and is sleeved with a second gear, and the first gear is meshed with the second gear; the pin rod extends to the outer side of the first connecting rod and is provided with a grip wheel; a fixing block is arranged at the top of the second connecting rod; a wrench head is arranged on the side of the fixing block away from the second connecting rod; an external thread groove is provided on the outer side of the fixing block opposite to the wrench head; an internal spiral groove is provided on the side of the wrench head opposite to the wrench head.

[0006] Preferably, a handle is provided on a side of the first connecting rod away from the second connecting rod, a mounting groove is provided on a bottom side of the handle, and an extension rod is provided in the mounting groove.

[0007] Preferably, the extension rod comprises an inner rod and an outer rod, the outer rod is arranged inside the assembly groove and sleeved on the outer side of the inner rod, and a plurality of assembly holes are formed through the inner rod and the outer rod.

[0008] Preferably, a protective cover is hinged on the assembly groove, a clamping block is arranged on the end side of the protective cover, and a clamping groove is formed on the side of the handle opposite to the clamping block.

[0009] Preferably, an anti-slip cover is provided on the outer side of the handle, and irregular patterns are provided on the anti-slip cover.

[0010] Preferably, the outer wall of the first connecting rod is penetrated by through grooves that are interconnected, and the length of the through grooves is greater than the length of the second connecting rod.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] Folding and compactness: By providing a second connecting rod with a folding function, the user can rotate the second connecting rod into the through slot when not in use, significantly reducing the overall size of the wrench and making it more compact; this makes the socket wrench portable and can be easily stored in a tool box, backpack or pocket;

[0013] Efficient disassembly and assembly: This design adopts a disassembly and assembly connection method. Users can separate or connect the wrench head and the fixed block by rotating them. This quick and simple disassembly and assembly process improves the convenience of operation and makes the socket wrench more efficient when used frequently.

[0014] Adaptable to various work situations: Due to its compact size and folding function, this socket wrench can adapt to various work situations; whether it is a large-scale engineering project or daily minor repairs, this wrench can provide the required rotational torque;

[0015] Stability and reliability: With a well-designed connecting rod structure and wrench head, this socket wrench provides powerful torque while ensuring operational stability and reliability; helping to prevent accidents when tightening or loosening bolts or nuts;

[0016] Easy to carry and store: Due to its compact size and folding function, this socket wrench is easy to carry and store; whether it is working outdoors, on the construction site or doing repair work at home, this wrench can provide a convenient operating experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the split structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the folding structure of the second connecting rod of the utility model;

[0020] Figure 4 It is a front structural schematic diagram of the utility model;

[0021] Figure 5It is a schematic diagram of the connection structure between the first connecting rod and the second connecting rod of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the first gear and the second gear of the utility model;

[0023] In the figure: 1. first connecting rod; 2. pin rod; 3. second connecting rod; 4. first gear; 5. second gear; 6. grip wheel; 7. fixing block; 8. wrench head; 9. external thread groove; 10. internal spiral groove; 11. grip; 12. assembly groove; 13. extension rod; 14. inner rod; 15. outer rod; 16. assembly hole; 17. protective cover; 18. clamping block; 19. clamping groove; 20. anti-slip sleeve; 21. through groove. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The utility model embodiment provides a socket wrench with a folding structure, such as Figure 1-6 As shown, it includes a first connecting rod 1; the upper position of the first connecting rod 1 is rotatably matched with a second connecting rod 3 through a pin rod 2; a first gear 4 is arranged in the inner cavity of the first connecting rod 1; the pin rod 2 extends to the inner side of the first connecting rod 1 and is sleeved with a second gear 5, and the first gear 4 is meshed with the second gear 5; the pin rod 2 extends to the outer side of the first connecting rod 1 and is provided with a grip wheel 6; a fixing block 7 is arranged on the top of the second connecting rod 3; a wrench head 8 is arranged on the side of the fixing block 7 away from the second connecting rod 3; an external thread groove 9 is provided on the outer side of the fixing block 7 opposite to the wrench head 8; an internal spiral groove 10 is provided on the side of the wrench head 8 opposite to the wrench head 8.

[0027] It should be noted that, since the connecting rod of a traditional socket wrench is usually fixed, its overall size is large and not compact enough, which brings certain inconveniences to carrying and storing; especially when it is necessary to frequently carry a tool box or tool backpack for outdoor work or maintenance work, the traditional socket wrench will take up a lot of space, making it inconvenient to carry other tools or items. In this solution, a second connecting rod 3 with a folding function is provided. When not in use, the second connecting rod 2 can be rotated and stored in the through groove 21, and then the wrench head 8 and the fixed block 7 are screwed apart by a detachable connection method, so that the socket wrench is compact, easy to carry and store; at the same time, this socket wrench is suitable for a variety of working occasions and has stability and reliability.

[0028] Specifically, in this embodiment, this scheme mainly includes a first connecting rod 1; the upper position of the first connecting rod 1 is rotatably matched with the second connecting rod 3 through the pin rod 2; when the wrench is needed, the first connecting rod 1 and the second connecting rod 3 are unfolded, so that the first gear 4 in the inner cavity of the first connecting rod 1 is meshed with the second gear 5 on the pin rod 2 extending to the inner side of the first connecting rod 1; the user can control the rotation of the first connecting rod 1 and the second connecting rod 3 by rotating the grip wheel 6, so that it can be aligned with the thread of the bolt or nut at a specific angle; then, the inner spiral groove 10 is aligned with the fixing block 7 and tightened to fix it; this design realizes the stable and firm fixation of the wrench head 8, so that it can smoothly cooperate with the bolt or nut for screwing operation; this socket wrench with a folding structure makes the folding structure make the socket wrench more compact, easy to carry and store, and very suitable for use in various work occasions.

[0029] In a further preferred embodiment of the present invention, Figure 2-4 As shown, a handle 11 is provided on a side of the first connecting rod 1 away from the second connecting rod 3 , a mounting groove 12 is provided on the bottom side of the handle 11 , and an extension rod 13 is provided in the mounting groove 12 .

[0030] In this embodiment, the handle 11 is located on the side of the first connecting rod 1 away from the second connecting rod 3, providing the user with a comfortable and stable grip; an extension rod 13 is arranged in the assembly groove 12; the addition of the extension rod 13 increases the length of the socket wrench, so that it can adapt to longer or deeper bolts or nuts.

[0031] In a further preferred embodiment of the present invention, Figure 2-4 As shown, the extension rod 13 includes an inner rod 14 and an outer rod 15 . The outer rod 15 is arranged inside the assembly groove 12 and sleeved on the outer side of the inner rod 14 . A plurality of assembly holes 16 are formed through the inner rod 14 and the outer rod 15 .

[0032] In this embodiment, by adjusting the length between the inner rod 14 and the outer rod 15 and then installing the fastening bolts on the corresponding assembly holes 16, the user can fix the length of the extension rod 13 according to the operation requirements to meet different operation requirements.

[0033] In a further preferred embodiment of the present invention, Figure 3-4 As shown, a protective cover 17 is hinged on the assembly groove 12 , a clamping block 18 is arranged on the end side of the protective cover 17 , and a clamping groove 19 is arranged on the side of the handle 11 opposite to the clamping block 18 .

[0034] In this embodiment, when the extension rod 13 is not in use or does not need to be used, the protective cover 17 can be conveniently rotated to connect the card block 18 with the card slot 19 to cover the assembly slot 12 and the extension rod 13 to protect these components from dust, dirt and other external factors.

[0035] In a further preferred embodiment of the present invention, Figure 1-2 As shown, an anti-slip cover 20 is provided on the outer side of the handle 11, and irregular patterns are provided on the anti-slip cover 20.

[0036] In this embodiment, through the design of the anti-slip sleeve 20 and the irregular patterns, the user can hold the socket wrench more stably, thereby improving the stability and safety of the operation.

[0037] In a further preferred embodiment of the present invention, Figure 5 As shown, the outer wall of the first connecting rod 1 is penetrated by a through groove 21 that is interconnected, and the length of the through groove 21 is greater than the length of the second connecting rod 3 .

[0038] In this embodiment, the design of the through slot 21 allows the wrench head 8 to move more flexibly to adapt to different operating angles and requirements; it also provides a greater torque for the screwing operation of the wrench head 8, making the screwing process smoother.

[0039] Working principle: When the wrench is needed, the first connecting rod 1 and the second connecting rod 3 are unfolded so that the first gear 4 in the inner cavity of the first connecting rod 1 meshes with the second gear 5 on the pin rod 2 extending to the inner side of the first connecting rod 1; the user can control the rotation of the first connecting rod 1 and the second connecting rod 3 by rotating the grip wheel 6 so that it can be aligned with the thread of the bolt or nut at a specific angle; then, the inner spiral groove 10 is aligned with the fixing block 7 and tightened to fix it; this design realizes the stability and firm fixation of the wrench head 8, so that it can smoothly cooperate with the bolt or nut for screwing operation; this socket wrench with a folding structure makes the folding structure make the socket wrench more compact, easy to carry and store, and very suitable for use in various work occasions;

[0040] The grip 11 is located on the side of the first connecting rod 1 away from the second connecting rod 3, providing the user with a comfortable and stable grip; an extension rod 13 is arranged in the assembly groove 12; by adjusting the length between the inner rod 14 and the outer rod 15, and then installing the fastening bolts on the corresponding assembly holes 16, the user can fix the length of the extension rod 13 according to the operation requirements to meet different operation requirements; so that it can adapt to longer or deeper bolts or nuts;

[0041] When the extension rod 13 is not in use or does not need to be used, the protective cover 17 can be conveniently rotated to plug the block 18 into the slot 19 to cover the assembly slot 12 and the extension rod 13 to protect these components from dust, dirt and other external factors.

[0042] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A socket wrench with a folding structure, characterized in that: include: a first connecting rod; The upper part of the first connecting rod is rotatably matched with the second connecting rod through a pin rod; A first gear disposed in the inner cavity of the first connecting rod; The pin rod extends to the inner side of the first connecting rod and is sleeved with a second gear, and the first gear is meshed with the second gear; The pin rod is extended to the outer side of the first connecting rod and a grip wheel is arranged; a fixing block disposed on the top of the second connecting rod; A wrench head is provided on one side of the fixing block away from the second connecting rod; An external thread groove is provided at the outer side of the fixing block opposite to the wrench head; An inner spiral groove is provided on a side of the wrench head opposite to the wrench head.

2. A socket wrench with a folding structure as claimed in claim 1, characterized in that: A handle is arranged on one side of the first connecting rod away from the second connecting rod, a mounting groove is arranged on the bottom side of the handle, and an extension rod is arranged in the mounting groove.

3. A socket wrench with a folding structure as claimed in claim 2, characterized in that: The extension rod comprises an inner rod and an outer rod. The outer rod is arranged inside the assembly groove and sleeved on the outer side of the inner rod. A plurality of assembly holes are penetrated through the inner rod and the outer rod.

4. A socket wrench with a folding structure as claimed in claim 3, characterized in that: A protective cover is hinged on the assembly groove, a clamping block is arranged on the end side of the protective cover, and a clamping groove is arranged on the side of the handle opposite to the clamping block.

5. The socket wrench with a folding structure as claimed in claim 4, characterized in that: An anti-slip cover is arranged on the outer side of the handle, and irregular patterns are arranged on the anti-slip cover.

6. The socket wrench with a folding structure as claimed in claim 2, characterized in that: The outer wall of the first connecting rod is penetrated by a through slot which is connected to each other, and the length of the through slot is greater than the length of the second connecting rod.

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