Drill chuck wrench

Abstract

The utility model discloses a drill chuck wrench, which relates to the technical field of drill chuck wrenches, and comprises a connecting rod and a drill key, the drill key is fixedly arranged on the outer wall of the connecting rod, the outer wall of the connecting rod is provided with a telescopic assembly for adjusting the length, and the telescopic assembly comprises a connecting column and an extension block, the extension block is fixedly arranged on the outer wall of the connecting column, a groove is formed in the outer wall of the connecting rod, and one end of the extension block is movably inserted into the inner wall of the groove. The utility model has the beneficial effects that the extension block is driven to move by outwards pulling the connecting column, so that the distance between the connecting column and the connecting rod is lengthened, an action point is prolonged, a user can conveniently hold the extension block by hand for use, and after use, the extension block is retracted into the connecting rod by inwards pushing the connecting column, so that the distance between the connecting column and the connecting rod is conveniently reduced, and the service life of the extension block is prolonged. The storage length of the drill chuck wrench is reduced, storage space is saved, and the drill chuck wrench is convenient to carry, store and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drill chuck wrench, especially relates to a drill chuck wrench. BACKGROUND

[0002] The drill chuck is a kind of clamp, is used to be fixed on hand or electric tool with drill bit and other devices, so as to complete drilling, thread tapping, reaming and other operations in the process of machining, and the wrench is a kind of tool for tightening or loosening fastener such as bolt, nut using lever principle, the drill chuck wrench usually has a bevel gear with lengthened force arm, is used to tighten drill chuck, to increase torque input, ensure that drill chuck can firmly hold drill bit or other rotating tools.

[0003] In prior art, mainly through the head of drill chuck wrench is inserted into the fastening hole of drill chuck, ensure that the wrench is in complete contact with drill chuck and fits, then rotate the wrench, make it be closely connected with chuck, carry out work, but the existing drill chuck wrench has certain limitation in use, as user needs to rotate the wrench to operate when using, when the wrench is short, the lever action is small when exerting force, can not provide enough torque to loosen or tighten fastener such as bolt, nut, lead to reduce work efficiency, when the wrench is long, in narrow working environment, the long wrench can not be used smoothly, can collide with surrounding objects, interfere with operation or cause damage, and occupy large space, inconvenient to carry and store, therefore, the drill chuck wrench is provided to solve the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the short wrench when exerting force, the lever action is small, can not provide enough torque to loosen or tighten fastener such as bolt, nut, lead to reduce work efficiency, when the wrench is long, in narrow working environment, the long wrench can not be used smoothly, can collide with surrounding objects, interfere with operation or cause damage, and occupy large space, inconvenient to carry and store in prior art, and a kind of drill chuck wrench is provided to solve the above problems.

[0005] In order to solve the problems existing in prior art, the utility model adopts the following technical scheme:

[0006] A kind of drill chuck wrench, comprising:

[0007] Connecting rod and drill key, the drill key is fixedly arranged on the outer wall of connecting rod, the outer wall of connecting rod is provided with telescopic component for adjusting length, and the telescopic component comprises:

[0008] Connecting column and extension block, the extension block is fixedly arranged on the outer wall of connecting column, the outer wall of connecting rod is provided with recess, and the one end of extension block is movably inserted into the inner wall of recess;

[0009] The positioning unit comprises a clamping groove and a clamping block, the clamping groove is arranged on the inner wall of the groove, and a plurality of sets of clamping grooves are arranged; the outer wall of the extension block is provided with a connecting groove, the inner wall of the connecting groove is fixedly provided with a spring strip, and the other end of the spring strip is fixedly arranged on the outer wall of the clamping block; and the outer wall of the clamping block is butted and clamped in the corresponding clamping groove.

[0010] Preferably, the inner wall of the extension block is movably inserted with a pull rod, the outer wall of the pull rod is fixedly provided with an inclined block, the outer wall of the clamping block is provided with a socket, and the outer wall of the inclined block is movably inserted in the socket.

[0011] Preferably, the outer wall of the connecting column is provided with a connecting port, the inner wall of the connecting port is movably inserted with an extension rod, and the outer wall of the extension rod is fixedly connected with the pull rod.

[0012] Preferably, the outer wall of the extension rod is fixedly provided with a push plate, and the push plate covers the outer wall of the connecting port.

[0013] Preferably, the outer wall of the pull rod is fixedly provided with a moving block, the inner wall of the extension block is provided with a moving groove, and the moving block is movably clamped in the moving groove.

[0014] Preferably, the outer wall of the extension block is fixedly provided with a sliding block, the inner wall of the groove is provided with a sliding groove, and the sliding block is slidably clamped in the sliding groove.

[0015] Preferably, the outer wall of the connecting column is fixedly provided with a connecting block, and the outer wall of the connecting block is rotatably connected with a handle through a pin shaft.

[0016] Preferably, the outer wall of the push plate is fixedly adhered with an anti-skid pad.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. In the utility model, through setting the connecting relationship of connecting rod, drill key, connecting column and extension block, make through the head of connecting rod is inserted into the fastening hole of drill chuck, and ensure that drill key and drill chuck are in complete contact and fit, through the rotation of connecting rod, make it is closely connected with chuck, keep the good operation of drill chuck and spanner, and through pulling outwards connecting column, make driving connecting rod moves, take out connecting rod from the fastening hole of drill chuck, convenient to use, and the user pushes the push plate to the direction of connecting block, make the push block moves to the inner chamber of connecting groove, make the block separate from the clamping groove, at this time, through pulling outwards connecting column, make driving extension block moves, make the distance between connecting column and connecting rod is long, thereby extension point is long, convenient for user hand use, and after use, push inwards connecting column, make extension block withdraws in connecting rod, convenient for reducing the distance between connecting column and connecting rod, make the storage length of drill chuck spanner is reduced, be favorable to saving storage space, convenient to carry and store, convenient to use, and the clamping groove is provided with multiple groups, corresponding different length limit position, when connecting column moves to the position of corresponding distance according to the use requirement of user, the push block is aligned with the clamping groove at corresponding position, after loosening the push plate, the pushing force of spring strip pushes outwards push block, make the push block moves outwards and inserts and clamps in corresponding clamping groove, make the use position of extension block is fixed, thereby improve the stability of drill chuck spanner when using.

[0019] 2. In the utility model, through setting connecting column, connecting block and handle, make through rotating handle to connecting rod outer wall direction, convenient to fold up handle, reduce storage space, convenient to carry and store. ACCURACY

[0020] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model without imposing any undue limitation on the utility model.

[0021] In the drawings:

[0022] Figure 1 It is whole structure schematic diagram of the utility model;

[0023] Figure 2 It is back structure schematic diagram of the utility model;

[0024] Figure 3 It is connecting rod structure section view of the utility model;

[0025] Figure 4 It is chute structure schematic diagram of the utility model;

[0026] Figure 5 It is extension block structure section view of the utility model.

[0027] Figure No. 1, connecting rod; 101, drill key; 102, card slot; 103, sliding slot; 2, connecting column; 201, connecting block; 202, handle; 3, extension block; 301, sliding block; 302, connecting slot; 303, spring bar; 304, clamping block; 305, socket; 4, pull rod; 401, inclined block; 402, moving block; 403, moving slot; 404, extension rod; 405, push plate; 406, non-slip pad. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0029] Embodiment: The embodiment provides a drill chuck wrench, referring to Figures 1-5 , specifically comprising:

[0030] The connecting rod 1 and the drill key 101, the drill key 101 is fixedly arranged on the outer wall of the connecting rod 1, the head of the connecting rod 1 is inserted into the fastening hole of the drill chuck, the drill key 101 is ensured to be in full contact and fit with the drill chuck, the connecting rod 1 is connected with the chuck tightly by rotating, the good operation of the drill chuck and the wrench is maintained, the outer wall of the connecting rod 1 is provided with a telescopic assembly for adjusting the length, the telescopic assembly comprises:

[0031] The connecting column 2 and the extension block 3, the extension block 3 is fixedly arranged on the outer wall of the connecting column 2, the outer wall of the connecting rod 1 is provided with a groove, and one end of the extension block 3 is movably inserted into the inner wall of the groove, in use, the connecting column 2 is pulled outward, so that the extension block 3 is moved outward, the distance between the connecting column 2 and the connecting rod 1 is lengthened, the extension point is lengthened, the user holds and uses conveniently, the connecting column 2 is pushed inward, the extension block 3 is retracted into the connecting rod 1, the storage length of the drill chuck wrench is reduced, the storage space is saved, and the drill chuck wrench is convenient to carry and store;

[0032] The positioning unit comprises the card slot 102 and the clamping block 304, the card slot 102 is arranged on the inner wall of the groove, and a plurality of groups of the card slot 102 are arranged, the outer wall of the extension block 3 is provided with the connecting slot 302, the spring bar 303 is fixedly arranged on the inner wall of the connecting slot 302, and the other end of the spring bar 303 is fixedly arranged on the outer wall of the clamping block 304, the outer wall of the clamping block 304 is butted and clamped in the corresponding card slot 102, when the connecting column 2 is extended to the corresponding length, the clamping block 304 is aligned with the corresponding card slot 102, the clamping block 304 is pushed outward by the spring bar 303, the clamping block 304 is inserted and kept in the card slot 102, the position of the clamping block 304 is limited, the use position of the extension block 3 is fixed, and the stability of the extension block 3 in use is improved.

[0033] The pull rod 4 is movably inserted into the inner wall of the extension block 3, the outer wall of the pull rod 4 is fixedly provided with an inclined block 401, the outer wall of the clamping block 304 is provided with a socket 305, and the outer wall of the inclined block 401 is movably inserted into the socket 305, in use, the pull rod 4 is pushed to move towards the connecting groove 302, so that the inclined block 401 is driven to move, the inclined block 401 is pressed against the inner wall of the socket 305, the clamping block 304 is pushed to move into the inner cavity of the connecting groove 302, and the clamping block 304 is separated from the clamping groove 102, so that the extension block 3 is conveniently moved.

[0034] The connecting column 2 is provided with a connecting opening in the outer wall, and the extension rod 404 is movably inserted into the inner wall of the connecting opening, and the outer wall of the extension rod 404 is fixedly connected with the pull rod 4, so as to extend the action point of the pull rod 4, and the user can adjust the extension rod 404 to drive the pull rod 4 to move outside the connecting column 2.

[0035] The outer wall of the extension rod 404 is fixedly provided with a push plate 405, and the push plate 405 covers the outer wall of the connecting opening, so as to shield the connecting opening and reduce the entry of impurities into the connecting opening and affect the movement.

[0036] The outer wall of the pull rod 4 is fixedly provided with a moving block 402, the inner wall of the extension block 3 is provided with a moving groove 403, and the moving block 402 is movably connected in the moving groove 403, so as to limit the movement path and range of the pull rod 4 by sliding the moving block 402 in the moving groove 403.

[0037] The outer wall of the extension block 3 is fixedly provided with a sliding block 301, the inner wall of the groove is provided with a sliding groove 103, and the sliding block 301 is slidably connected in the sliding groove 103, so as to limit the movement path and range of the extension block 3 by sliding the sliding block 301 along the sliding groove 103, and prevent the extension block 3 from moving excessively and separating from the connecting rod 1.

[0038] The outer wall of the connecting column 2 is fixedly provided with a connecting block 201, and the outer wall of the connecting block 201 is rotatably connected with a handle 202 through a pin shaft, and the handle 202 is folded by rotating the handle 202 towards the outer wall of the connecting rod 1, so as to reduce the storage space and facilitate carrying and storage.

[0039] The outer wall of the push plate 405 is fixedly attached with a non-slip pad 406, so as to promote the friction between the user and the push plate 405 and facilitate adjustment.

[0040] Specifically, the working principle and operation method of the utility model are as follows:

[0041] In use, the user pushes the push plate 405 towards the connecting block 201, so that the moving push plate 405 drives the extension rod 404 to move, the moving extension rod 404 drives the pull rod 4 to move, the moving pull rod 4 drives the inclined block 401 to move, the inclined block 401 extrudes the inner wall of the socket 305, so that the clamping block 304 is pushed to move into the inner cavity of the connecting groove 302, and the clamping block 304 is separated from the clamping groove 102, at this time, the connecting column 2 is pulled outwards, so that the extension block 3 is driven to move, the distance between the connecting column 2 and the connecting rod 1 is lengthened, the action point is lengthened, the user is convenient to hold and use, and after use, the connecting column 2 is pushed inwards, so that the extension block 3 is retracted into the connecting rod 1, the distance between the connecting column 2 and the connecting rod 1 is reduced, the storage length of the drill chuck wrench is reduced, storage space is saved, and the drill chuck wrench is convenient to carry and store, convenient to use, and a plurality of clamping grooves 102 are arranged, corresponding to different length limiting positions, when the connecting column 2 is moved to a position corresponding to the distance required by the user, the clamping block 304 is aligned with the clamping groove 102 at the corresponding position, after the push plate 405 is released, the pushing force of the spring strip 303 pushes the clamping block 304 outwards, the clamping block 304 is inserted into and clamped in the corresponding clamping groove 102, the use position of the extension block 3 is fixed, and the stability of the drill chuck wrench in use is improved, in use, the user inserts the head of the connecting rod 1 into the fastening hole of the drill chuck, ensures that the drill key 101 is in complete contact with and fits the drill chuck, holds the handle 202 and rotates the handle 202, so that the handle 202 is tightly connected with the chuck, the drill chuck and the wrench are kept in good operation, and the connecting rod 1 is taken out of the fastening hole of the drill chuck by pulling the connecting column 2 outwards, which is convenient to use.

[0042] In use, the handle 202 is folded by rotating the handle 202 towards the outer wall of the connecting rod 1, storage space is saved, and the handle 202 is convenient to carry and store.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drill chuck wrench, comprising a connecting rod (1) and a drill key (101), wherein the drill key (101) is fixedly disposed on the outer wall of the connecting rod (1), characterized in that: The outer wall of the connecting rod (1) is provided with a telescopic component for adjusting the length, the telescopic component including: The connecting column (2) and the extension block (3) are fixedly installed on the outer wall of the connecting column (2). The outer wall of the connecting rod (1) is provided with a groove, and one end of the extension block (3) is movably inserted into the inner wall of the groove. The positioning unit includes a slot (102) and a block (304). The slot (102) is formed on the inner wall of the groove, and multiple sets of slots (102) are provided. The outer wall of the extension block (3) is provided with a connecting groove (302). A spring strip (303) is fixedly provided on the inner wall of the connecting groove (302), and the other end of the spring strip (303) is fixedly provided on the outer wall of the block (304). The outer wall of the block (304) is connected to and engaged in the corresponding slot (102).

2. A drill chuck wrench according to claim 1, characterized in that: The inner wall of the extension block (3) is movably connected to a pull rod (4), the outer wall of the pull rod (4) is fixedly provided with an inclined block (401), the outer wall of the locking block (304) is provided with an insertion port (305), and the outer wall of the inclined block (401) is movably connected to the insertion port (305).

3. A drill chuck wrench according to claim 1, characterized in that: The outer wall of the connecting column (2) has a connection port, and an extension rod (404) is movably inserted into the inner wall of the connection port. The outer wall of the extension rod (404) is fixedly connected to the pull rod (4).

4. A drill chuck wrench according to claim 3, characterized in that: A push plate (405) is fixedly provided on the outer wall of the extension rod (404), and the push plate (405) covers the outside of the connection port.

5. A drill chuck wrench according to claim 2, characterized in that: The outer wall of the pull rod (4) is fixedly provided with a movable block (402), and the inner wall of the extension block (3) is provided with a movable groove (403), and the movable block (402) is movably engaged in the movable groove (403).

6. A drill chuck wrench according to claim 5, characterized in that: The extension block (3) has a slider (301) fixedly installed on its outer wall, and a groove (103) is provided on the inner wall of the groove. The slider (301) is slidably engaged in the groove (103).

7. A drill chuck wrench according to claim 1, characterized in that: The outer wall of the connecting column (2) is fixedly provided with a connecting block (201), and the outer wall of the connecting block (201) is rotatably connected with a handle (202) via a pin.

8. A drill chuck wrench according to claim 4, characterized in that: The outer wall of the push plate (405) is fixedly glued with an anti-slip pad (406).

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