Angle adjusting structure of electric wrench

Abstract

The utility model relates to the technical field of electric wrenches, in particular to an angle adjusting structure of an electric wrench, which comprises a lower surface shell, an upper surface shell covers the surface of the lower surface shell, the upper surface shell and the lower surface shell are fixedly connected through a bolt, a switching gearbox is arranged on one side of the lower surface shell and one side of the upper surface shell, and the switching gearbox is sleeved with the lower surface shell and the upper surface shell; stepped through holes are formed in the upper side and the lower side of the surface of the transfer gearbox, a pulling groove is formed in the position, located on one side of the stepped through holes, of the surface of the lower face shell, and the pulling groove is communicated with the stepped through holes; a self-locking part is arranged in the step through hole, angle adjusting parts are arranged on the surface of the lower face shell and the surface of the upper face shell, and the angle adjusting parts facilitate adjustment work of the angle between the transfer gearbox and the lower face shell and the angle between the transfer gearbox and the upper face shell. The angle adjusting part and the self-locking part are arranged, so that the self-locking function after angle adjustment is achieved, and the problem that a bolt needs to be rotated for fixation in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wrench technical field, concretely is electric wrench angle adjustment structure. BACKGROUND

[0002] Electric wrench is the wrench of power or battery power, electric wrench is mainly applied to steel structure installation industry, specially disassembles steel structure high -strength bolt or steel bar sleeve, however electric wrench needs to adjust the angle of its disassembly for the convenience of use when using, therefore needs angle adjustment structure.

[0003] The existing electric wrench needs to disassemble the fixed bolt first when angle adjustment, then reversely rotates the bolt to fix after rotating to the angle required, and this angle adjustment mode is more cumbersome, thereby increasing the labor intensity of angle adjustment, and the bolt is easy to lose in the dismounting process, thereby causing great trouble to people's use. UTILITY MODEL CONTENTS

[0004] The utility model discloses electric wrench angle adjustment structure to solve the problem that bolt needs to be disassembled when angle adjustment in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: electric wrench angle adjustment structure, including lower shell, the surface of lower shell is covered with upper shell, and upper shell and lower shell are fixedly connected through bolt, one side of lower shell and upper shell is provided with adapter box, and adapter box is sleeved with lower shell and upper shell;The upper and lower sides of the surface of adapter box are provided with step through -hole, and one side of the surface of lower shell is provided with pull -out groove, and the pull -out groove is communicated with step through -hole;The inside of step through -hole is provided with self -locking part, and the self -locking part is used for locking and fixing adapter box with lower shell and upper shell;The surface of lower shell and upper shell is provided with angle adjustment part, and the angle adjustment part is convenient for the angle adjustment work between adapter box and lower shell and upper shell.

[0006] Preferably, the angle adjustment part is composed of sleeve groove, rotating groove, angle groove and pin hole, the sleeve groove is provided with two groups, and the two groups of sleeve grooves are arranged at the two ends of lower shell and upper shell.

[0007] Preferably, the surface of lower shell and upper shell is provided with rotating groove, and the rotating groove is communicated with sleeve groove, and the surface of lower shell and upper shell is also provided with a plurality of angle grooves, and the angle grooves are communicated with rotating groove, and the inside of angle groove is provided with pin hole.

[0008] Preferably, the self-locking part comprises a pin, a pull tab and a tension spring, the pin is movably arranged in the inner part of the stepped through hole, and the bottom end of the pin is located in the inner part of the pin hole when the adapter dental box is locked and fixed with the lower shell and the upper shell.

[0009] Preferably, the surface of the pin is fixed with the pull tab, one end of the pull tab extends into the pulling groove, the surface of the pin is sleeved with the tension spring, and the two ends of the tension spring are fixedly connected with the stepped through hole and the surface of the pull tab respectively.

[0010] Preferably, the two sides of the inner wall of the adapter dental box are integrally provided with the plug-in blocks, and the plug-in blocks enter the angle groove from the sleeve-in groove and rotate in the rotating groove when the adapter dental box is sleeved with the lower shell and the upper shell.

[0011] Compared with the prior art, the electric wrench angle adjusting structure has the beneficial effects that: the angle adjusting part and the self-locking part are arranged, the pull tab is pulled upward through the pulling groove, the pull tab drives the pin to move upward, the bottom of the pin is separated from the inner part of the pin hole, the adapter dental box is pulled outward, the pin and the plug-in block are separated from the angle groove and enter the inner part of the rotating groove, the lower shell and the upper shell are rotated according to the angle to be adjusted, the adapter dental box is pushed after the rotation, the plug-in block of the adapter dental box is buckled into the inner part of the angle groove, the pin is automatically buckled into the inner part of the pin hole under the elastic force of the tension spring, the self-locking function after the angle adjustment is realized, and the problem that the bolt needs to be rotated and fixed in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional appearance structure schematic view of the utility model;

[0013] Figure 2 It is a separated state structure schematic view of the utility model;

[0014] Figure 3 It is a top view structure schematic view of the upper shell of the utility model;

[0015] Figure 4 It is a sleeve side view structure schematic view of the utility model;

[0016] Figure 5 It is an explosion structure schematic view of the self-locking part of the utility model.

[0017] In the drawing: 1, lower shell; 2, upper shell; 20, angle adjusting part; 21, sleeve-in groove; 22, rotating groove; 23, angle groove; 24, pin hole; 3, adapter dental box; 4, stepped through hole; 41, pulling groove; 5, self-locking part; 51, pin; 52, pull tab; 53, tension spring; 6, plug-in block. DETAILED DESCRIPTION

[0018] 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. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for the purpose of description, rather than being understood as indicating or implying relative importance. Meanwhile, in the description of the utility model, unless explicitly specified and limited, the terms "connected", "linked" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] The electric wrench angle adjusting structure provided by the utility model has the structure as shown in Figure 1 、 Figure 3 and Figure 4 , which comprises a lower shell 1, the surface of the lower shell 1 is covered with an upper shell 2, the upper shell 2 is fixedly connected with the lower shell 1 through bolts, one side of the lower shell 1 and the upper shell 2 is provided with an adapter gear box 3, the adapter gear box 3 is sleeved with the lower shell 1 and the upper shell 2, the surface of the lower shell 1 and the upper shell 2 is provided with an angle adjusting part 20, which facilitates the angle adjustment between the adapter gear box 3 and the lower shell 1 and the upper shell 2; the angle adjusting part 20 is composed of a sleeving groove 21, a rotating groove 22, an angle groove 23 and a pin hole 24, the sleeving groove 21 is provided with two groups, the two groups of sleeving grooves 21 are arranged at the two ends of the lower shell 1 and the upper shell 2, the surface of the lower shell 1 and the upper shell 2 is provided with the rotating groove 22, and the rotating groove 22 is in communication with the sleeving groove 21, the surface of the lower shell 1 and the upper shell 2 is also provided with a plurality of groups of angle grooves 23, and the angle grooves 23 are in communication with the rotating grooves 22, and the angle grooves 23 are provided with the pin hole 24; the two sides of the inner wall of the adapter gear box 3 are integrally provided with the plug-in blocks 6, and when the adapter gear box 3 is sleeved with the lower shell 1 and the upper shell 2, the plug-in blocks 6 enter the sleeving grooves 21 and rotate to the required angle in the rotating grooves 22 and then are inserted into the angle grooves 23.

[0020] In the implementation, the lower shell 1 and the upper shell 2 are covered and fixed by bolts, then the adapter gear box 3 is sleeved, when the adapter gear box 3 is sleeved, the plug-in blocks 6 of the inner wall of the adapter gear box 3 enter the sleeving grooves 21 and rotate to the required angle in the rotating grooves 22 and then are inserted into the angle grooves 23.

[0021] Further, as shown in Figure 2 and Figure 5As shown, the upper and lower sides of the adapter tooth box 3 surface are provided with stepped through holes 4, the surface of the lower shell 1 is provided with a pulling groove 41 on one side of the stepped through hole 4, and the pulling groove 41 is in communication with the stepped through hole 4; the inside of the stepped through hole 4 is provided with a self-locking part 5, which is used to lock and fix the adapter tooth box 3 with the lower shell 1 and the upper shell 2, the self-locking part 5 includes a pin 51, a pull tab 52 and a tight spring 53, the pin 51 is movably arranged in the inside of the stepped through hole 4, and when the adapter tooth box 3 is locked and fixed with the lower shell 1 and the upper shell 2, the bottom end of the pin 51 is located in the inside of the pin hole 24, the surface of the pin 51 is fixed with the pull tab 52, and one end of the pull tab 52 extends into the inside of the pulling groove 41, and the surface of the pin 51 is sleeved with the tight spring 53, and the two ends of the tight spring 53 are fixedly connected with the surface of the stepped through hole 4 and the pull tab 52.

[0022] In implementation, the pull tab 52 is pulled upward through the pulling groove 41, the pull tab 52 drives the pin 51 to move upward, so that the bottom of the pin 51 is separated from the inside of the pin hole 24, then the adapter tooth box 3 is pulled outward, the pin 51 and the plug-in block 6 are separated from the angle groove 23 and enter the inside of the rotating groove 22, then the lower shell 1 and the upper shell 2 are rotated according to the angle to be adjusted, after rotation, the adapter tooth box 3 is pushed, so that the plug-in block 6 on the adapter tooth box 3 is buckled into the inside of the angle groove 23, and the pin 51 is automatically buckled into the inside of the pin hole 24 under the elastic force of the tight spring 53.

[0023] Working principle: in use, first, the lower shell 1 and the upper shell 2 are closed and fixed by bolts, then the adapter tooth box 3 is sleeved, when the adapter tooth box 3 is sleeved, the plug-in block 6 on the inner wall of the adapter tooth box 3 enters from the sleeving groove 21 and rotates to the required angle in the inside of the rotating groove 22 and is inserted into the inside of the angle groove 23, after being inserted into the angle groove 23, the self-locking part 5 in the inside of the stepped through hole 4 locks and fixes the adapter tooth box 3 with the lower shell 1 and the upper shell 2, in implementation of the self-locking part 5, the pull tab 52 is pulled by the elastic force of the tight spring 53, the pull tab 52 drives the pin 51 to move downward, so that the bottom end of the pin 51 is buckled into the inside of the pin hole 24 to realize the fixing work.

[0024] If the angle needs to be adjusted, the pull tab 52 is pulled upward through the pulling groove 41, the pull tab 52 drives the pin 51 to move upward, so that the bottom of the pin 51 is separated from the inside of the pin hole 24, then the adapter tooth box 3 is pulled outward, the pin 51 and the plug-in block 6 are separated from the angle groove 23 and enter the inside of the rotating groove 22, then the lower shell 1 and the upper shell 2 are rotated according to the angle to be adjusted, after rotation, the adapter tooth box 3 is pushed, so that the plug-in block 6 on the adapter tooth box 3 is buckled into the inside of the angle groove 23, and the pin 51 is automatically buckled into the inside of the pin hole 24 under the elastic force of the tight spring 53, realizing the self-locking function after the angle adjustment, solving the problem of rotating bolt fixation in the prior art.

[0025] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An electric wrench angle adjustment structure comprising a lower housing (1), characterized in that: The surface of the lower shell (1) is covered by the upper shell (2), and the upper shell (2) is fixedly connected with the lower shell (1) by bolts, and the lower shell (1) and the upper shell (2) are provided with an adapter tooth box (3) on one side, and the adapter tooth box (3) is sleeved with the lower shell (1) and the upper shell (2); the upper and lower sides of the surface of the adapter tooth box (3) are provided with stepped through holes (4), and the surface of the lower shell (1) is provided with a pulling groove (41) on one side of the stepped through hole (4), which is in communication with the stepped through hole (4); the inside of the stepped through hole (4) is provided with a self-locking part (5) for locking and fixing the adapter tooth box (3) with the lower shell (1) and the upper shell (2); the surface of the lower shell (1) and the upper shell (2) is provided with an angle adjusting part (20), which is convenient for adjusting the angle between the adapter tooth box (3) and the lower shell (1) and the upper shell (2).

2. The electric power wrench angle adjustment structure according to claim 1, characterized by: The angle adjusting part (20) is composed of a sleeving groove (21), a rotating groove (22), an angle groove (23) and a pin hole (24), and the sleeving groove (21) is provided with two groups, which are arranged at the two ends of the lower shell (1) and the upper shell (2).

3. The electric power wrench angle adjustment structure according to claim 2, characterized by: The surface of the lower shell (1) and the upper shell (2) is provided with a rotating groove (22), and the rotating groove (22) is in communication with the sleeving groove (21), and the surface of the lower shell (1) and the upper shell (2) is also provided with a plurality of angle grooves (23), and the angle grooves (23) are in communication with the rotating grooves (22), and the inside of the angle grooves (23) is provided with a pin hole (24).

4. The electric power wrench angle adjustment structure according to claim 1, characterized by: The self-locking part (5) comprises a pin (51), a pull tab (52) and a tension spring (53), the pin (51) is movably arranged in the inside of the stepped through hole (4), and when the adapter tooth box (3) is locked and fixed with the lower shell (1) and the upper shell (2), the bottom end of the pin (51) is located in the inside of the pin hole (24).

5. The electric hand wrench angle adjustment structure according to claim 4, characterized by: The surface of the pin (51) is fixedly connected with the pull tab (52), and one end of the pull tab (52) extends into the inside of the pulling groove (41), and the surface of the pin (51) is sleeved with the tension spring (53), and the two ends of the tension spring (53) are fixedly connected with the surface of the stepped through hole (4) and the pull tab (52) respectively.

6. The electric power wrench angle adjustment structure according to claim 1, characterized by: The two sides of the inner wall of the adapter tooth box (3) are integrally provided with a plug-in block (6), and when the adapter tooth box (3) is sleeved with the lower shell (1) and the upper shell (2), the plug-in block (6) enters the sleeving groove (21) and rotates in the inside of the rotating groove (22) and then inserts into the inside of the angle groove (23).

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