Locking device of electric screw driver

Abstract

The utility model discloses a locker of an electric screw driver, which comprises a locker main body, an inner thread outer sleeve is sleeved on the outer side of the locker main body, an inner fixing sleeve is arranged inside the inner thread outer sleeve, a strip-shaped groove is arranged on the outer side of the inner thread outer sleeve, and the inner fixing sleeve is sleeved on the inner fixing sleeve. A plurality of strip-shaped grooves are formed in the outer side of the inner thread outer sleeve, the strip-shaped grooves in the outer side of the inner thread outer sleeve are evenly distributed, and the locker body is matched with the inner thread outer sleeve and the inner fixing sleeve, so that more labor is saved when the electric screwdriver rotates the screwdriver head. According to the locker of the electric screw driver, the locker body is matched with the inner thread outer sleeve and the inner fixing sleeve, so that more labor is saved when the electric screw driver rotates a screw driver head, simple disassembly and assembly of the screw driver are not affected, and after the inner thread outer sleeve is matched with the inner fixing sleeve, after the locker body is installed, the screw driver head is not damaged. The locker main body is more convenient to reinstall, the disassembly and assembly mode is simpler, and maintenance of the locker is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electric screwdriver locking device structures, in particular to a locking device for an electric screwdriver. Background Art

[0002] An electric screwdriver, also known as an electric screwdriver or electric screwdriver, is an electric tool used to tighten and loosen screws. This electric tool is equipped with a mechanism for adjusting and limiting torque. It is mainly used in assembly lines and is one of the essential tools for most manufacturing companies.

[0003] Existing electric screwdriver lockers have certain drawbacks when used. The lockers of traditional electric screwdrivers are inconvenient to disassemble and assemble, which is not conducive to the disassembly, assembly and maintenance of the lockers, and the screwdriver head is not labor-saving enough when rotating. Utility Model Content

[0004] The main purpose of the utility model is to provide a locking device for an electric screwdriver, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A locking device for an electric screwdriver includes a locking device body, wherein the outer side of the locking device body is provided with an internal threaded outer sleeve, the interior of the internal threaded outer sleeve is provided with an internal fixing sleeve, the outer side of the internal threaded outer sleeve is provided with a strip groove, the number of strip grooves on the outer side of the internal threaded outer sleeve is several, and the strip grooves on the outer side of the internal threaded outer sleeve are evenly distributed. The locking device body cooperates with the internal threaded outer sleeve and the internal fixing sleeve to make it easier to rotate the screwdriver head of the electric screwdriver without affecting the easy disassembly and assembly of the screwdriver. The internal threaded outer sleeve cooperates with the internal fixing sleeve to make it more convenient to reinstall the locking device body after installation, and the disassembly and assembly method is simpler, which is conducive to the maintenance of the locking device.

[0007] Preferably, the locking device body includes a bearing outer frame, a hexagonal bearing inner sleeve, a steel ball, a hexagonal fixing pile, a circular limiting through hole and a magnetic circular card.

[0008] Preferably, the bearing outer frame is arranged inside the internal threaded outer sleeve, the hexagonal bearing inner sleeve is arranged inside the bearing outer frame, and the steel ball is clamped inside the clamping groove between the inner side of the bearing outer frame and the outer side of the hexagonal bearing inner sleeve. There are several steel balls installed, and the steel balls are evenly distributed between the bearing outer frame and the hexagonal bearing inner sleeve.

[0009] Preferably, the hexagonal fixing pile is fixedly installed on the upper surface of the hexagonal bearing inner sleeve, the circular limiting through hole is opened at the center position of the lower surface of the hexagonal fixing pile, and the magnetic circular card is fixedly installed inside the circular limiting through hole.

[0010] Preferably, the inner fixing sleeve includes an externally threaded inner sleeve, a screw through hole and a hexagon socket screw.

[0011] Preferably, the externally threaded inner sleeve is arranged inside the internally threaded outer sleeve, and the screw through holes are opened on the upper surface of the externally threaded inner sleeve near the edge. There are three screw through holes, and the screw through holes are evenly distributed on the upper surface of the externally threaded inner sleeve.

[0012] Preferably, the hexagon socket screw is arranged inside the screw through hole.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In the utility model, by providing the locking device body, the internal threaded outer sleeve and the internal fixing sleeve, the locking device body cooperates with the internal threaded outer sleeve and the internal fixing sleeve so that the electric screwdriver can rotate the screwdriver head more labor-saving without affecting the easy disassembly and assembly of the screwdriver. The internal threaded outer sleeve cooperates with the internal fixing sleeve so that after the locking device body is installed, it is more convenient to reinstall the locking device body, the disassembly and assembly method is simpler, and it is beneficial to the maintenance of the locking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The upper surface of the locking device of an electric screwdriver of the present invention is a schematic diagram showing the overall structure;

[0016] Figure 2 The lower surface of the locking device of an electric screwdriver of the present invention is a schematic diagram showing the overall structure;

[0017] Figure 3 This is a schematic diagram of the exploded structure of the upper surface of the locking device of an electric screwdriver of the present invention;

[0018] Figure 4 This is a schematic diagram showing the exploded structure of the lower surface of a locking device of an electric screwdriver according to the present invention.

[0019] In the figure: 1. Locking device body; 101. Bearing outer frame; 102. Hexagon socket bearing inner sleeve; 103. Steel ball; 104. Hexagon socket fixing pile; 105. Circular limit hole; 106. Magnet circular card; 2. Internal threaded outer sleeve; 3. Internal fixing sleeve; 301. External threaded inner sleeve; 302. Screw hole; 303. Hexagon socket screw. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-4 As shown, a locking device for an electric screwdriver includes a locking device body 1, an outer sleeve of the locking device body 1 is provided with an internal threaded outer sleeve 2, an internal fixing sleeve 3 is provided inside the internal threaded outer sleeve 2, and a strip groove is provided on the outer side of the internal threaded outer sleeve 2. The number of strip grooves on the outer side of the internal threaded outer sleeve 2 is several, and the strip grooves on the outer side of the internal threaded outer sleeve 2 are evenly distributed. The locking device body 1 cooperates with the internal threaded outer sleeve 2 and the internal fixing sleeve 3 to make it easier to rotate the screwdriver head of the electric screwdriver without affecting the easy disassembly and assembly of the screwdriver. The internal threaded outer sleeve 2 cooperates with the internal fixing sleeve 3 to make it more convenient to re-disassemble and re-assemble the locking device body 1 after installation, and the disassembly and assembly method is simpler, which is conducive to the maintenance of the locking device.

[0022] The locking device body 1 includes a bearing outer frame 101, a hexagonal bearing inner sleeve 102, a steel ball 103, a hexagonal fixing pile 104, a circular limiting through hole 105 and a magnetic circular card 106; the bearing outer frame 101 is arranged inside the internal threaded outer sleeve 2, the hexagonal bearing inner sleeve 102 is arranged inside the bearing outer frame 101, and the steel ball 103 is clamped in the clamping groove between the inner side of the bearing outer frame 101 and the outer side of the hexagonal bearing inner sleeve 102. There are several steel balls 103 installed, and the steel balls 103 are evenly distributed between the bearing outer frame 101 and the hexagonal bearing inner sleeve 102; the hexagonal fixing pile 104 is fixedly installed on the hexagonal On the upper surface of the bearing inner sleeve 102, a circular limiting through hole 105 is opened at the center position of the lower surface of the hexagonal fixing pile 104, and the magnetic circular card 106 is fixedly installed inside the circular limiting through hole 105; the inner fixing sleeve 3 includes an externally threaded inner sleeve 301, a screw through hole 302 and a hexagonal screw 303; the externally threaded inner sleeve 301 is arranged inside the internally threaded outer sleeve 2, and the screw through hole 302 is opened on the upper surface of the externally threaded inner sleeve 301 near the edge. There are three screw through holes 302, and the screw through holes 302 are evenly distributed on the upper surface of the externally threaded inner sleeve 301; the hexagonal screw 303 is arranged inside the screw through hole 302.

[0023] It should be noted that the present invention is a locking device for an electric screwdriver. When in use, the locking device body 1, the internal threaded outer sleeve 2 and the internal fixing sleeve 3 are rotated downward on the outer side of the bearing outer frame 101 until the internal threaded outer sleeve 2 exits the outer side of the external threaded inner sleeve 301, and the external threaded inner sleeve 301 is installed to the front end of the electric screwdriver through the hexagonal screw 303 in the screw through hole 302 of the external threaded inner sleeve 301. Then, the hexagonal groove on the upper surface of the hexagonal fixing pile 104 is aligned with the rotating shaft of the electric screwdriver, and the rotating shaft of the electric screwdriver is inserted into the inside of the hexagonal fixing pile 104. The internal threaded outer sleeve 2 is rotated upward until the internal threaded outer sleeve 2 is re-sheathed on the outer side of the external threaded inner sleeve 301 and tightened. When installing the screwdriver head, the upper end of the screwdriver head is inserted into the inner The inside of the hexagonal bearing sleeve 102 is fixed until the magnet circular card 106 in the circular limiting through hole 105 adsorbs the screwdriver head. The rotating shaft of the electric screwdriver rotates, and then the hexagonal bearing sleeve 102 is driven to rotate through the hexagonal fixing pile 104, and the screwdriver head rotates accordingly. The steel ball 103 between the bearing outer frame 101 and the hexagonal bearing sleeve 102 makes it easier for the electric screwdriver to drive the screwdriver head to rotate. The locking device body 1 cooperates with the internal threaded outer sleeve 2 and the internal fixing sleeve 3 to make it easier for the electric screwdriver to rotate the screwdriver head without affecting the easy disassembly and assembly of the screwdriver. The internal threaded outer sleeve 2 cooperates with the internal fixing sleeve 3 to make it more convenient to disassemble and reassemble the locking device body 1 after the locking device body 1 is installed. The disassembly and assembly method is simpler, which is beneficial to the maintenance of the locking device.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A locking device for an electric screwdriver, characterized in that: The invention comprises a locking device body (1), wherein the outer side of the locking device body (1) is provided with an internally threaded outer sleeve (2), the inner side of the internally threaded outer sleeve (2) is provided with an internal fixing sleeve (3), the outer side of the internally threaded outer sleeve (2) is provided with strip-shaped grooves, the number of strip-shaped grooves provided on the outer side of the internally threaded outer sleeve (2) is several, and the strip-shaped grooves on the outer side of the internally threaded outer sleeve (2) are evenly distributed.

2. The locking device for an electric screwdriver according to claim 1, characterized in that: The locking device body (1) comprises a bearing outer frame (101), a hexagon socket bearing inner sleeve (102), a steel ball (103), a hexagon socket fixing pile (104), a circular limiting through hole (105) and a magnetic circular card (106).

3. The locking device for an electric screwdriver according to claim 2, characterized in that: The bearing outer frame (101) is arranged inside the internal threaded outer sleeve (2), the hexagonal bearing inner sleeve (102) is arranged inside the bearing outer frame (101), and the steel balls (103) are clamped inside the clamping groove between the inner side of the bearing outer frame (101) and the outer side of the hexagonal bearing inner sleeve (102). There are a plurality of steel balls (103) installed, and the steel balls (103) are evenly distributed between the bearing outer frame (101) and the hexagonal bearing inner sleeve (102).

4. The locking device for an electric screwdriver according to claim 3, characterized in that: The hexagonal fixing pile (104) is fixedly mounted on the upper surface of the hexagonal bearing inner sleeve (102), the circular limiting through hole (105) is opened at the center position of the lower surface of the hexagonal fixing pile (104), and the magnetic circular card (106) is fixedly mounted inside the circular limiting through hole (105).

5. The locking device for an electric screwdriver according to claim 4, characterized in that: The inner fixing sleeve (3) comprises an externally threaded inner sleeve (301), a screw through hole (302) and a hexagon socket screw (303).

6. The locking device for an electric screwdriver according to claim 5, characterized in that: The externally threaded inner sleeve (301) is arranged inside the internally threaded outer sleeve (2), and the screw through holes (302) are opened at positions close to the edge of the upper surface of the externally threaded inner sleeve (301). There are three screw through holes (302) opened, and the screw through holes (302) are evenly distributed on the upper surface of the externally threaded inner sleeve (301).

7. The locking device for an electric screwdriver according to claim 6, characterized in that: The hexagon socket screw (303) is arranged inside the screw through hole (302).

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