Adjustable wrench for automobile maintenance

Abstract

The utility model discloses an adjustable wrench for automobile maintenance, which belongs to the technical field of wrenches, solves the problem that the existing wrench is inconvenient to use in a narrow space, and comprises a first telescopic rod, a second telescopic rod, a ratchet wrench head and a fixed wrench head, the end, away from the first telescopic rod, of the second telescopic rod moves out of the first telescopic rod, the ratchet wrench head is rotationally connected to the side, away from the second telescopic rod, of the first telescopic rod, the fixed wrench head is fixedly connected to the side, away from the first telescopic rod, of the second telescopic rod, and limiting holes are formed in the opposite surfaces of the first telescopic rod. The length of the wrench can be adjusted by installing the first telescopic rod, the second telescopic rod, the ratchet wrench head, the fixed wrench head, the limiting hole, the penetrating connection block, the first adjusting hole and the second adjusting hole, the wrench can be conveniently used in a narrow working environment after being folded twice, and the practicability of the wrench is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wrench, concretely relates to an adjustable wrench for automobile maintenance. BACKGROUND

[0002] Automobile maintenance is the general term of automobile maintenance and repair, mainly through technical means to find out the fault reason and take certain measures to make it eliminate the fault and restore to certain performance and safety standard for the automobile with fault, and the adjustable wrench is a commonly used tool, which can adjust the torque according to the requirement to adapt to the fastening requirement of different bolts or nuts, and the adjustable wrench is needed when the automobile is maintained.

[0003] The utility model discloses a kind of adjustable wrench for automobile maintenance, it includes wrench head and support rod, the wrench head includes working head, connecting plate and No.

[0004] The above design can adjust the angle and force arm of the force, achieve the effect of saving labor, and can replace the wrench head, but the above design has some problems in use, and is not convenient to continue work through folding in a narrow working environment. Content of the utility model

[0005] This part aims to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A kind of adjustable wrench for automobile maintenance includes: first telescopic link, second telescopic link, ratchet wrench head and fixed wrench head, the inside of first telescopic link is slidably connected with second telescopic link, the end of second telescopic link away from first telescopic link moves out the inside of first telescopic link, ratchet wrench head is rotatably connected on the side of first telescopic link away from second telescopic link, fixed wrench head is fixedly connected on the side of second telescopic link away from first telescopic link, the opposite surface of first telescopic link is provided with limiting hole, and limiting hole is communicated with the inside of first telescopic link, the inside of limiting hole is slidably connected with penetrating block, the surface of second telescopic link is provided with first adjusting hole and second adjusting hole, the surface of first telescopic link is provided with drive mechanism for pushing penetrating block.

[0008] As a preferred technical scheme of the utility model for a kind of adjustable wrench for automobile maintenance, drive mechanism includes drive installation shell, transmission rod and screw rod, drive installation shell is fixedly connected on the surface of first telescopic link, and the outlet of drive installation shell is located above limiting hole, transmission rod is slidably connected in the inside of drive installation shell, the end of transmission rod facing penetrating block is fixedly connected with penetrating block, screw rod is rotatably connected in the inside of drive installation shell, and screw rod is screw-connected with transmission rod, transmission rod is pushed to move up and down.

[0009] As a preferred technical scheme of the utility model for a kind of adjustable wrench for automobile maintenance, the side of second telescopic link facing first telescopic link is rotatably connected with rotating seat, the surface of rotating seat is provided with first connecting hole, the surface of second telescopic link is rotatably connected with rotating plate, and the surface of rotating plate is provided with second connecting hole.

[0010] As a preferred technical scheme of the utility model for a kind of adjustable wrench for automobile maintenance, the side of rotating seat away from first telescopic link is fixedly connected with limiting block.

[0011] The utility model provides a adjustable wrench for automobile maintenance optimal technical scheme, the surface of ratchet wrench head is equipped with first assembly hole, the surface of first telescopic link is equipped with second assembly hole symmetrically to ratchet wrench head,

[0012] The utility model provides a adjustable wrench for automobile maintenance optimal technical scheme, the surface of first telescopic link is equipped with third assembly hole fixedly connected with the blocking piece, the surface of ratchet wrench head is equipped with fourth assembly hole to the blocking piece,

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) in the utility model, through installing first telescopic link, second telescopic link, ratchet wrench head, fixed wrench head, limiting hole, threaded block, first adjusting hole and second adjusting hole, the length of the wrench can be adjusted, and through twice folding, it is convenient to use in the narrow working environment, and the practicability of the wrench is improved.

[0015] (2) in the utility model, the surface of first telescopic link is equipped with third assembly hole fixedly connected with the blocking piece, the surface of ratchet wrench head is equipped with fourth assembly hole to the blocking piece, the surface of ratchet wrench head is tightly rotated to the blocking piece, third assembly hole and fourth assembly hole position coincide, bolt enters third assembly hole and fourth assembly hole inside, and first telescopic link and ratchet wrench head are connected firmly and vertically, which is convenient to work in the environment less than the length of first telescopic link. ACCURACY OF DRAWINGS

[0016] Figure 1 The utility model provides whole development structure schematic drawing;

[0017] Figure 2 The utility model provides whole folding structure schematic drawing;

[0018] Figure 3 The utility model provides first telescopic link section view one of schematic drawing;

[0019] Figure 4 The utility model provides drive mechanism structure schematic drawing;

[0020] Figure 5 The utility model provides first telescopic link section view two of schematic drawing;

[0021] Figure 6 The utility model provides first assembly hole and second assembly hole position schematic drawing;

[0022] Figure 7 The utility model provides third assembly hole and fourth assembly hole position schematic drawing.

[0023] The correspondence between the reference signs and the component names in the drawings is as follows:

[0024] 1, first telescopic rod; 2, second telescopic rod; 3, ratchet wrench head; 4, fixed wrench head; 5, limiting hole; 6, through block; 7, first adjusting hole; 8, second adjusting hole; 9, drive mounting shell; 10, transmission rod; 11, screw rod; 12, rotating seat; 13, first connecting hole; 14, rotating plate; 15, second connecting hole; 16, first assembly hole; 17, second assembly hole; 18, blocking block; 19, third assembly hole; 20, fourth assembly hole. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments. The utility model provides the following embodiments.

[0028] As Figures 1 to 7 A adjustable wrench for automobile repair includes: first telescopic rod 1, second telescopic rod 2, ratchet wrench head 3 and fixed wrench head 4, the inside of first telescopic rod 1 is slidably connected with second telescopic rod 2, the end of second telescopic rod 2 away from first telescopic rod 1 moves out of the inside of first telescopic rod 1, ratchet wrench head 3 is rotatably connected on the side of first telescopic rod 1 away from second telescopic rod 2, fixed wrench head 4 is fixedly connected on the side of second telescopic rod 2 away from first telescopic rod 1, the opposite surface of first telescopic rod 1 is provided with limiting hole 5, and limiting hole 5 is in communication with the inside of first telescopic rod 1, the inside of limiting hole 5 is slidably connected with through block 6, the surface of second telescopic rod 2 is provided with first adjusting hole 7 and second adjusting hole 8, the surface of first telescopic rod 1 is provided with drive mechanism for pushing through block 6.

[0029] In this embodiment, the second telescopic rod 2 moves out of the interior of the first telescopic rod 1, the limiting hole 5 coincides with the first adjustment hole 7 or the second adjustment hole 8 respectively, the connecting block 6 enters the interior of the first adjustment hole 7 or the second adjustment hole 8 in sequence, the length of the second telescopic rod 2 moving out of the end of the first telescopic rod 1 is adjusted, and the length of the wrench is adjusted.

[0030] As attached Figure 4 As shown, the driving mechanism includes a driving mounting housing 9, a transmission rod 10, and a lead screw 11. The driving mounting housing 9 is fixedly connected to the surface of the first telescopic rod 1, and the outlet of the driving mounting housing 9 is located above the limiting hole 5. The transmission rod 10 is slidably connected inside the driving mounting housing 9, and the end of the transmission rod 10 facing the through block 6 is fixedly connected to the through block 6. The lead screw 11 is rotatably connected inside the driving mounting housing 9, and the lead screw 11 is threadedly connected to the transmission rod 10, pushing the transmission rod 10 to move up and down.

[0031] In this embodiment, rotating the lead screw 11 controls the transmission rod 10 to move up and down along the inside of the drive mounting housing 9. The transmission rod 10 drives the through block 6 to move up and down, providing driving force for the movement of the through block 6.

[0032] As attached Figure 3 and Figure 5 As shown, a rotating seat 12 is rotatably connected to the side of the second telescopic rod 2 facing the first telescopic rod 1. A first connecting hole 13 is provided on the surface of the rotating seat 12. A rotating plate 14 is rotatably connected to the surface of the second telescopic rod 2. A second connecting hole 15 is provided on the surface of the rotating plate 14.

[0033] In this embodiment, when the second telescopic rod 2 moves out of the first telescopic rod 1, the positions of the first connecting hole 13 and the limiting hole 5 coincide, the second telescopic rod 2 rotates perpendicularly to the rotating seat 12, the rotating plate 14 rotates, and the rotating plate 14 enters the angle between the first telescopic rod 1 and the drive mounting shell 9, the second connecting hole 15 coincides with the limiting hole 5, the connecting block 6 passes through the second connecting hole 15 and the first connecting hole 13, and the first telescopic rod 1 and the second telescopic rod 2 are vertically limited, which is convenient for working in a confined space.

[0034] As attached Figure 3 As shown, a limit block is fixedly connected to the side of the rotating seat 12 away from the first telescopic rod 1.

[0035] In this embodiment, during the process of the second telescopic rod 2 moving out of the first telescopic rod 1, the limiting block of the rotating seat 12 is in close contact with the inner wall of the first telescopic rod 1 to prevent the first telescopic rod 1 and the second telescopic rod 2 from separating.

[0036] As attached Figure 6 As shown, the surface of the ratchet wrench head 3 is provided with a first mounting hole 16, and the surface of the first telescopic rod 1 facing the ratchet wrench head 3 is provided with a second mounting hole 17 symmetrically.

[0037] In the embodiment, the ratchet wrench head 3 is rotated, the first assembly hole 16 and the second assembly hole 17 are coincided in position, the bolt is entered into the inside of the first assembly hole 16 and the second assembly hole 17, and the first telescopic rod 1 and the ratchet wrench head 3 are connected horizontally and firmly.

[0038] As shown in the accompanying drawings, the surface of the first telescopic rod 1 is fixedly connected with a blocking block 18, the surface of the blocking block 18 is provided with a third assembly hole 19, and the surface of the ratchet wrench head 3 facing the blocking block 18 is provided with a fourth assembly hole 20. Figure 7

[0039] In the embodiment, the ratchet wrench head 3 is rotated and closely attached to the surface of the blocking block 18, the third assembly hole 19 and the fourth assembly hole 20 are coincided in position, the bolt is entered into the inside of the third assembly hole 19 and the fourth assembly hole 20, and the first telescopic rod 1 and the ratchet wrench head 3 are connected vertically and firmly, thereby facilitating the work in the environment with a space less than the length of the first telescopic rod 1.

[0040] The above is further detailed description of the utility model in combination with the specific embodiments, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, on the premise of not departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection range determined by the claims of the utility model submitted.​

Claims

1. An adjustable wrench for automotive repair, comprising a first telescopic rod (1), a second telescopic rod (2), a ratchet wrench head (3), and a fixed wrench head (4), wherein the second telescopic rod (2) is slidably connected inside the first telescopic rod (1), and one end of the second telescopic rod (2) away from the first telescopic rod (1) is moved out of the interior of the first telescopic rod (1); the ratchet wrench head (3) is rotatably connected to the side of the first telescopic rod (1) away from the second telescopic rod (2); and the fixed wrench head (4) is fixedly connected to the side of the second telescopic rod (2) away from the first telescopic rod (1), characterized in that: The first telescopic rod (1) has a limiting hole (5) on its opposite surface, and the limiting hole (5) is connected to the interior of the first telescopic rod (1). A connecting block (6) is slidably connected inside the limiting hole (5). The surface of the second telescopic rod (2) has a first adjusting hole (7) and a second adjusting hole (8). The surface of the first telescopic rod (1) is equipped with a driving mechanism for pushing the connecting block (6).

2. An adjustable wrench for automobile repair according to claim 1, characterized in that, The drive mechanism includes a drive mounting housing (9), a transmission rod (10), and a lead screw (11). The drive mounting housing (9) is fixedly connected to the surface of the first telescopic rod (1), and the outlet of the drive mounting housing (9) is located above the limiting hole (5). The transmission rod (10) is slidably connected inside the drive mounting housing (9). The end of the transmission rod (10) facing the through block (6) is fixedly connected to the through block (6). The lead screw (11) is rotatably connected inside the drive mounting housing (9), and the lead screw (11) is threadedly connected to the transmission rod (10), pushing the transmission rod (10) to move up and down.

3. An adjustable wrench for automobile repair according to claim 1, characterized in that, The second telescopic rod (2) is rotatably connected to a rotating seat (12) on the side facing the first telescopic rod (1). The rotating seat (12) has a first connecting hole (13) on its surface. The second telescopic rod (2) is rotatably connected to a rotating plate (14). The rotating plate (14) has a second connecting hole (15) on its surface.

4. An adjustable wrench for automobile repair according to claim 3, characterized in that, A limit block is fixedly connected to the side of the rotating seat (12) away from the first telescopic rod (1).

5. An adjustable wrench for automobile repair according to claim 1, characterized in that, The surface of the ratchet wrench head (3) is provided with a first mounting hole (16), and the surface of the first telescopic rod (1) facing the ratchet wrench head (3) is provided with a second mounting hole (17).

6. An adjustable wrench for automobile repair according to claim 1, characterized in that, A blocking block (18) is fixedly connected to the surface of the first telescopic rod (1). A third mounting hole (19) is opened on the surface of the blocking block (18). A fourth mounting hole (20) is opened on the surface of the ratchet wrench head (3) facing the blocking block (18).

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