Portable lithium battery wrench

Abstract

The utility model relates to the technical field of lithium battery wrenches, in particular to a portable lithium battery wrench which comprises a device body, the bottom end of the device body is fixedly arranged at the top end of a protective cover in a battery box, a battery is installed in the protective cover, a U-shaped groove is formed in the front wall of the protective cover, a limiting box is embedded in the U-shaped groove, and the limiting box is arranged in the limiting box. The top end of the protective cover is provided with a fixing buckle, the top end of the device body is connected with a threaded sleeve, the outer side of the threaded sleeve is sleeved with an auxiliary cylinder, an internal battery can be further replaced and fixed through the device, immediate locking can be conducted after the battery is rapidly replaced, the battery is prevented from falling off, and convenience and safety are improved; through the simple structure of the device, after the lithium battery wrench fixes the threads, the threads can be quickly collected only by lifting up without receiving the screws by hands, and the efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium electric wrench technical field, concretely is a portable lithium electric wrench. BACKGROUND

[0002] Electric wrench refers to the electric tool of screwing and unscrewing bolt and nut, and is a kind of tool for tightening high-strength bolt.It is used for the initial tightening, final tightening of high-strength bolt construction of large hexagonal head high-strength bolt and the initial tightening of torsional shear type high-strength bolt, and occasions with strict requirements on torque or axial force of bolt fastener.With the development of science and technology, the existing electric wrench will be equipped with lithium battery as power supply, which saves the trouble of connecting power supply through wire in the past electric wrench, and the existing lithium electric wrench mostly adopts brushless motor structure, because brushless electric wrench relies on digital circuit to control the commutation and speed reduction, speed regulation of electric wrench, and brushless electric wrench no longer uses mechanical carbon brush commutator, which solves the life problem that cannot be overcome by brush electric wrench.According to the public number CN217620301U, a portable lithium electric wrench is disclosed, the lithium electric wrench includes torque output mechanism, torque amplification mechanism, power unit, electric control unit, lithium battery pack and handle mechanism, characterized in that, the handle mechanism is provided with first damping part and second damping part, the first damping part and the second damping part are arranged on the outer side of the handle mechanism, and the damping performance of the lithium electric wrench is improved through the cooperation of the first damping part and the second damping part, which helps the user to operate the equipment without feeling uncomfortable due to the vibration of the motor, but when disassembling the screw at high place, the screw thread is taken out by rotating, and the screw is taken out by keeping the outward pulling force in the taking-out process, which needs to be caught by hand to prevent loss and falling, which has certain hidden danger, and the bottom fixed battery has certain falling risk after replacement in use, cannot be safely and reliably connected, therefore, it is urgent to design a portable lithium electric wrench to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of portable lithium electric wrench, to solve the problem that in the background art described above, but when disassembling the screw at high place, the screw thread is taken out by rotating, and the screw is taken out by keeping the outward pulling force in the taking-out process, which needs to be caught by hand to prevent loss and falling, which has certain hidden danger, and the bottom fixed battery has certain falling risk after replacement in use, cannot be safely and reliably connected.

[0004] To achieve the above object, the utility model provides the following technical scheme: A portable lithium battery wrench, including equipment body, the bottom end of equipment body is fixed with the top end of protection cover in battery box, the inside of protection cover is installed battery, the front wall of protection cover is equipped with U groove, the inside of U groove is embedded limit box, the top end of protection cover is equipped with fixed buckle, the top end of equipment body is connected with threaded sleeve, the outside of threaded sleeve is equipped with auxiliary cylinder.

[0005] Preferably, the bottom end of the fixed block in the fixed buckle is fixed to the top end of the front side of the protection cover, a square groove is formed in the front end center of the fixed block, and a limit round plate is fixed to the top end of the fixed block.

[0006] Preferably, the center of the limit round plate is inserted with the top end of a vertical rod, the bottom end of the vertical rod penetrates the top end of the fixed block and is sleeved in the center of the square groove, a protruding block is fixed to the right side of the center of the vertical rod, the bottom end of the vertical rod is fixed with the top end of a connecting spring, the bottom end of the spring is fixed in the inside center of a limit recess block, and the bottom end of the limit recess block is perpendicular to the bottom end of the vertical rod and is fixed to the inside bottom end of the square groove.

[0007] Preferably, the right wall of a U-shaped clamping plate is fixed to the left side of a meander plate in the limit box, the left side of the U-shaped clamping plate is embedded in the inside of the U-shaped groove, the bottom end of a side plate is fixed to the top end center of the U-shaped clamping plate, the right wall of a C-shaped block is fixed to the left side of the side plate, and an inner groove is formed in the inside right wall bottom end of the C-shaped block.

[0008] Preferably, the inside of a threaded pipe is sleeved with the outside of a center of a fixed sleeve in the threaded sleeve, and the right end inside of the threaded pipe is threadedly inserted with a right end of an auxiliary cylinder.

[0009] Preferably, a magnetic head is arranged on the right side of the fixed sleeve, and the right side of the magnetic head is connected with the top end left center of the equipment body.

[0010] Preferably, the inside of a threaded bearing is threadedly inserted in the right side of the threaded pipe in the auxiliary cylinder, the right wall of a connecting pipe is fixed to the left end outside of the threaded bearing, and a fixed ring is fixed to the left end outer wall of the connecting pipe.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The portable lithium battery wrench is provided with a battery box and limit box, a protection cover, a battery, a U-shaped groove, a fixed buckle, a fixed block, a square groove, a limit round plate, a vertical rod, a protruding block, a spring, a limit recess block, a meander plate, a U-shaped clamping plate, a side plate, a C-shaped block, an inner groove and other accessories, so that the internal battery can be replaced and fixed, the battery can be locked immediately after replacement, the battery can be prevented from falling, and the convenience and safety are improved.

[0013] The portable lithium electric wrench is fixed with the screw after the simple structure of the device, and the screw is quickly collected by lifting only, without using hands to take the screw, and the efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the utility model;

[0015] Figure 2 It is a threaded sleeve structure schematic diagram of the utility model;

[0016] Figure 3 It is a threaded sleeve and auxiliary cylinder split schematic diagram of the utility model;

[0017] Figure 4 It is a battery box and limiting box split schematic diagram of the utility model;

[0018] Figure 5 It is a fixed buckle structure schematic diagram of the utility model;

[0019] Figure 6 It is a limiting box structure schematic diagram of the utility model.

[0020] In the drawing: 1, equipment body; 2, battery box; 201, protective cover; 202, battery; 203, U-shaped groove; 204, fixed buckle; 2040, fixed block; 2041, square groove; 2042, limiting round plate; 2043, vertical rod; 2044, protruding block; 2045, spring; 2046, limiting recessed block; 3, limiting box; 301, backplate; 302, U-shaped clamping plate; 303, side plate; 304, C-shaped block; 305, inner groove; 4, threaded sleeve; 401, fixed sleeve; 4011, magnetic head; 402, threaded pipe; 5, auxiliary cylinder; 501, threaded bearing; 502, connecting pipe; 503, fixed ring. DETAILED DESCRIPTION

[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-6 An embodiment provided by the utility model:

[0023] The utility model provides a portable lithium electric wrench, including equipment body 1, its characterized in be that: the bottom end of equipment body 1 is fixed in the top end of protective cover 201 of battery box 2, installs battery 202 in the inside of protective cover 201, the front wall of protective cover 201 is seted up U -shaped groove 203, U -shaped groove 203 inside fits in the limiting box 3 of box, the top end of protective cover 201 is equipped with fixed buckle 204, the top end of equipment body 1 is connected with threaded sleeve 4, and threaded sleeve 4 outside sets up auxiliary cylinder 5.

[0024] As the utility model further is that the bottom end of fixed block 2040 in fixed buckle 204 is fixed in the top end of the front side of protective cover 201, the front end center of fixed block 2040 is seted up square slot 2041, the top end of fixed block 2040 is fixed with limiting round plate 2042, the center of limiting round plate 2042 is inserted with the top end of vertical rod 2043, the bottom end of vertical rod 2043 is threaded through the top end of fixed block 2040 and sets up in the center of square slot 2041, the right side of the center of vertical rod 2043 is fixed with protruding block 2044, the bottom end of vertical rod 2043 is fixed with the top end of connecting spring 2045, the bottom end of spring 2045 is fixed in the inside center of limiting recess block 2046, the bottom end of limiting recess block 2046 is perpendicular to the bottom end of vertical rod 2043 and is fixed in the inside bottom end of square slot 2041, and the battery is locked immediately after quick replacement, to prevent the battery from falling.

[0025] Further, the left side of the meander plate 301 in the limiting box 3 is fixed with the right wall of the U-shaped clamping plate 302, the left side of the U-shaped clamping plate 302 is fitted inside the U-shaped groove 203, the top end center of the U-shaped clamping plate 302 is fixed with the bottom end of the side plate 303, the left side of the side plate 303 is fixed with the right wall of the C-shaped block 304, the inside right wall bottom end of the C-shaped block 304 is seted up with the inner groove 305, to improve convenience and safety.

[0026] As the utility model further is that the center outside of fixed sleeve 401 in threaded sleeve 4 is seted up with the inside of threaded pipe 402, the right end inside of threaded pipe 402 is threaded with the right end inside of auxiliary cylinder 5, the right side of fixed sleeve 401 is equipped with magnetic head 4011, the right side of magnetic head 4011 is connected with the top end left center of equipment body 1, and the simple structure is convenient for the lithium electric wrench to be fixed with thread, and the thread can be quickly collected without using hand after taking screw.

[0027] Further, the inside of threaded bearing 501 in auxiliary cylinder 5 is threaded in the right side of threaded pipe 402, the left end outside of threaded bearing 501 is fixed with the right wall of connecting pipe 502, the left end outer wall of connecting pipe 502 is fixed with fixed ring 503, to be convenient for fixed and improve stability, and it is convenient to collect screw.

[0028] Working principle: in use, the user first presses the vertical rod 2043 at the top of the fixed buckle 204 downward under the action of the spring 2045, and then the protruding block 2044 on the right side of the vertical rod 2043 falls to the bottom of the inner groove 305 inside the C-shaped block 304, that is, the limiting box 3 is taken out, then the battery 202 is connected to the connector in the protective cover 201, and then the U-shaped clamping plate 302 in the backplate 301 is embedded in the U-shaped groove 203, and the protruding block 2044 is re-set in the inner groove 305. When it is needed to use, the threaded sleeve 4 and the auxiliary cylinder 5 are installed and worked, the fixed ring 503 on the left side of the connecting pipe 502 in the auxiliary cylinder 5 is pressed against the wall, the fixed sleeve 401 is used to screw, the threaded bearing 501 is pushed to the equipment body 1 under the action of the threaded pipe 402 while the screw is turned, and then the screw is taken out and falls into the connecting pipe 502, so that the screw is convenient to collect. This is the whole working principle of the utility model.

[0029] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A portable lithium electric wrench comprising a tool body (1), characterized in that: The bottom end of the equipment body (1) is fixedly provided with the top end of the protective cover (201) of the battery box (2), the inside of the protective cover (201) is provided with the battery (202), the front wall of the protective cover (201) is provided with the U-shaped groove (203), the inside of the U-shaped groove (203) is embedded with the limiting box (3), the top end of the protective cover (201) is provided with the fixed buckle (204), the top end of the equipment body (1) is connected with the threaded sleeve (4), and the outer side of the threaded sleeve (4) is provided with the auxiliary cylinder (5).

2. The portable lithium electric wrench of claim 1, wherein: The bottom end of the fixed block (2040) in the fixed buckle (204) is fixedly arranged on the top end of the front side of the protective cover (201), the front end of the fixed block (2040) is provided with the square groove (2041) in the center, and the top end of the fixed block (2040) is fixedly provided with the limiting circular plate (2042).

3. The portable lithium electric wrench of claim 2, wherein: The center of the limiting circular plate (2042) is inserted with the top end of the vertical rod (2043), the bottom end of the vertical rod (2043) penetrates through the top end of the fixed block (2040) and is sleeved in the center of the square groove (2041), the right side of the center of the vertical rod (2043) is fixedly provided with the protruding block (2044), the bottom end of the vertical rod (2043) is fixedly provided with the top end of the connecting spring (2045), the bottom end of the spring (2045) is fixedly arranged in the inside center of the limiting recess block (2046), and the bottom end of the limiting recess block (2046) is perpendicular to the bottom end of the vertical rod (2043) and is fixedly arranged in the inside bottom end of the square groove (2041).

4. The portable lithium electric wrench of claim 1, wherein: The left side of the meander plate (301) in the limiting box (3) is fixedly provided with the right wall of the U-shaped clamping plate (302), the left side of the U-shaped clamping plate (302) is embedded in the inside of the U-shaped groove (203), the top end of the U-shaped clamping plate (302) is fixedly provided with the bottom end of the side plate (303) in the center, the left side of the side plate (303) is fixedly provided with the right wall of the C-shaped block (304), and the inside right wall of the C-shaped block (304) is provided with the inner groove (305) in the bottom end.

5. The portable lithium electric wrench of claim 1, wherein: The inside of the center of the fixed sleeve (401) in the threaded sleeve (4) is sleeved with the threaded pipe (402), and the right end outside of the threaded pipe (402) is threadedly inserted with the right end inside of the auxiliary cylinder (5).

6. The portable lithium electric wrench of claim 5, wherein: The right side of the fixed sleeve (401) is provided with the magnetic suction head (4011), and the right side of the magnetic suction head (4011) is connected with the top end of the left side center of the equipment body (1).

7. The portable lithium electric wrench of claim 1, wherein: The inside of the threaded bearing (501) in the auxiliary cylinder (5) is threadedly inserted in the right side of the threaded pipe (402), the left end outside of the threaded bearing (501) is fixedly provided with the right wall of the connecting pipe (502), and the left end outer wall of the connecting pipe (502) is fixedly provided with the fixed ring (503).

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