CN217123015U - Electric wrench with auxiliary positioning device - Google Patents

Abstract

The utility model provides an electric wrench with auxiliary positioning device, including the spanner body, the head of spanner body is provided with the spanner head, the edge groove has been seted up to the center department of spanner head, the each end internal surface in edge groove all sets up flutedly, each the inboard equal sliding connection of recess has the extrusion piece. The utility model discloses in, adjust each extrusion piece simultaneously through drive assembly and remove along the recess that corresponds separately, thereby be convenient for make the stable centre gripping of extrusion piece after the bolt that the edge groove was lived is adjusted by each, be favorable to enlarging the application range of this ratchet spanner, conveniently be used for the rotating of not unidimensional bolt, support simultaneously at screw surface at each extrusion piece of drive assembly drive, this spanner can tightly fix a position on the screw surface, thereby can easily not take place to drop, be favorable to protecting this spanner self, also be favorable to the workman not need pull out the spanner when relaxing the arm, make things convenient for the workman to continue the rotating work of screw immediately after relaxing.

Description

An electric wrench with auxiliary positioning device

technical field

The utility model relates to the technical field of electric wrenches, in particular to an electric wrench with an auxiliary positioning device.

Background technique

A wrench is a commonly used installation and removal tool. It is a hand tool that uses the principle of leverage to turn bolts, screws, nuts and other threaded fastening bolts or nuts. Wrenches are usually made of carbon or alloy structural steel.

At present, the connection of existing electric wrenches used for nested screws (nuts) is often not adjustable, so each wrench can only be used to move screws of corresponding sizes, which leads to the need for workers to wear Wrenches of various specifications are not conducive to saving the workload of the staff. In addition, the existing electric wrenches are directly nested at the end of the screw, so when the wrench is placed in a horizontal state on the threaded part or the threaded part is upward When the screw is on, it is easy to fall off, and the staff needs to hold the wrench at all times, which is not convenient to use.

Therefore, it is necessary to provide an electric wrench with an auxiliary positioning device to solve the above technical problems.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and proposes an electric wrench with an auxiliary positioning device.

In order to solve the above technical problems, the utility model provides an electric wrench with an auxiliary positioning device, which includes a wrench body, the head of the wrench body is provided with a wrench head, and the center of the wrench head is provided with a rib groove, so The inner surface of each end of the rib groove is provided with grooves, the inner side of each groove is slidably connected with an extrusion block, and the outer surface of the wrench head is provided with a drive assembly for simultaneously driving each extrusion block to move, The outer side of the wrench head is sleeved with a fixing cover, the side of the fixing cover close to the wrench body is provided with a tail cover, and the tail cover and the wrench body are fixedly connected, and a drive is arranged between the fixing cover and the tail cover A rotating assembly in which the wrench head rotates, and a battery is fixedly connected to the tail of the outer surface of the wrench body.

Preferably, the drive assembly includes a ring cover and a helical gear ring, the ring cover is fixedly connected to the outer edge of the top end of the wrench head, and the bottom end of the ring cover is fixedly connected to a side cover at the position corresponding to the groove, and The side cover is fixedly connected to the outer side wall of the wrench head, the inner side of each side cover is provided with a transmission helical gear, and the transmission helical gear and the helical gear ring are meshed and connected, and the center of each transmission helical gear is fixedly connected There is a driving screw, and the driving screw is rotatably connected to the inner side of the wrench head, and each of the driving screws is respectively threadedly connected to the inner side of each extrusion block.

Preferably, the outer side wall of the ring cover is evenly provided with a plurality of first through openings, the outer surface of the helical gear ring and the inner surface of each extrusion block are provided with friction lines, and the outer surface of the fixed cover is uniform A second through port is opened, and the second through port and the first through port are on the same level.

Preferably, the rotating assembly includes two ring gears and a motor, the two ring gears are fixedly connected to the upper and lower ends of the wrench head respectively, the ring gear is rotatably connected to the inner side of the fixed cover, and the motor is fixedly connected to the tail The top of the cover, the output end of the motor is fixedly connected with a transmission column, and the transmission column is rotatably connected to the inner side of the fixed cover, and the outer surface of the transmission column is fixedly connected to the position of the ring gear. The ring gears are meshed with each other.

Preferably, a limit ring is fixedly connected to the outer edge of one end of the two ring gears away from the wrench head, and the limit ring is located outside the fixed cover.

Preferably, the motor and the battery are electrically connected, and an adjustment switch is provided on the outer surface of the battery.

Compared with the related art, an electric wrench with an auxiliary positioning device provided by the present invention has the following beneficial effects:

(1) The present utility model provides an electric wrench with an auxiliary positioning device. The drive assembly is used to adjust the movement of each extrusion block along the corresponding groove at the same time, so as to facilitate the bolts covered by the groove to be squeezed after each adjustment. The pressing block is stably clamped, which is conducive to expanding the use range of the ratchet wrench and is convenient for the rotation of bolts of different sizes.

(2) The present utility model provides an electric wrench with an auxiliary positioning device. When the drive assembly drives each extrusion block and presses against the surface of the screw at the same time, the wrench will be tightly positioned on the surface of the screw, so that it will not fall off easily. It is beneficial to protect the wrench itself, and it is also beneficial that the worker does not need to pull out the wrench when relaxing the arm, so that the worker can continue the screw rotation work immediately after the relaxation.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic diagram of the internal structure of the fixed cover of the present invention;

3 is a schematic diagram of the internal structure of the wrench head of the present invention.

Symbols in the figure: 1, wrench body; 2, wrench head; 201, groove; 202, groove; 3, extrusion block; 4, drive screw; 5, drive helical gear; 6, side cover; 7, ring Cover; 701, first port; 8, helical gear ring; 9, ring gear; 901, limit ring; 10, fixed cover; 1001, tail cover; 1002, second port; 11, transmission column; 12, Transmission gear; 13, motor; 14, battery; 1401, adjustment switch.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and embodiments.

Please refer to accompanying drawings 1-3, an electric wrench with an auxiliary positioning device, including a wrench body 1, the head of the wrench body 1 is provided with a wrench head 2, the center of the wrench head 2 is provided with a rib 201, the rib groove The inner surface of each end of 201 is provided with grooves 202, and the inner side of each groove 202 is slidably connected with extrusion blocks 3, and the outer surface of the wrench head 2 is provided with a drive assembly for simultaneously driving each extrusion block 3 to move. The outer side of the head 2 is sleeved with a fixed cover 10, and the side of the fixed cover 10 close to the wrench body 1 is provided with a tail cover 1001, and the tail cover 1001 and the wrench body 1 are fixedly connected, and the fixed cover 10 and the tail cover 1001 are arranged between There is a rotating component that drives the wrench head 2 to rotate, and a battery 14 is fixedly connected to the tail of the outer surface of the wrench body 1;

Through the drive assembly, each pressing block 3 is adjusted to move along the corresponding grooves 202 at the same time, so that the bolts covered by the rib grooves 201 are stably clamped by the adjusted pressing blocks 3, which is conducive to expanding the range of the ratchet wrench. The scope of use is convenient for the rotation of bolts of different sizes. At the same time, when the drive assembly drives each extrusion block 3 against the surface of the screw at the same time, the wrench will be tightly positioned on the surface of the screw, so that it will not fall off easily, which is beneficial to Protecting the wrench itself also helps the worker not need to unplug the wrench when loosening the arm, so that the worker can continue the screw rotation work immediately after loosening;

After each pressing block 3 completes the clamping of the screw end, the electric power is supplied to the motor 13 of the rotating assembly through the battery 14, so that the rotating assembly drives the wrench head 2 to rotate inside the fixed cover 10, thereby facilitating the auxiliary staff to quickly Complete the screwing of the bolts.

In a further solution, the drive assembly includes a ring cover 7 and a helical gear ring 8. The ring cover 7 is fixedly connected to the outer edge of the top end of the wrench head 2, and the bottom end of the ring cover 7 is fixedly connected to the position of the groove 202. Side covers are fixedly connected. 6, and the side cover 6 is fixedly connected to the outer side wall of the wrench head 2, the inner side of each side cover 6 is provided with a transmission helical gear 5, and the transmission helical gear 5 is meshed with the helical gear ring 8, and each transmission helical gear 5. A drive screw 4 is fixedly connected to the center of the wrench, and the drive screw 4 is rotatably connected to the inner side of the wrench head 2, and each drive screw 4 is threadedly connected to the inner side of each extrusion block 3, respectively.

By adopting the above technical solution, it is convenient to rotate the helical gear ring 8 to drive the respective drive helical gears 5 to rotate at the same time, thereby facilitating the simultaneous rotation of the respective drive screws 4, thereby facilitating the respective drive screws 4 to drive the corresponding extrusion blocks 3 moves along the respective corresponding grooves 202, which is beneficial to realize the clamping range of the wrench, and is convenient to expand the applicable range of the wrench.

In a further solution, the outer side wall of the ring cover 7 is evenly provided with a plurality of first through openings 701, the outer surface of the helical gear ring 8 and the inner surface of each extrusion block 3 are provided with friction lines, and the outer surface of the fixed cover 10 is provided with friction lines. The second through openings 1002 are evenly opened, and the second through openings 1002 and the first through openings 701 are on the same level,

By adopting the above technical solution, it is convenient for the worker to insert into the first through opening 701 through the second through opening 1002 on the fixed cover 10 to rotate the friction helical gear ring 8 .

In a further solution, the rotating assembly includes two ring gears 9 and a motor 13, the two ring gears 9 are respectively fixedly connected to the upper and lower ends of the wrench head 2, and the ring gear 9 is rotatably connected to the inner side of the fixed cover 10, and the motor 13 is fixed. Connected to the top of the tail cover 1001, the output end of the motor 13 is fixedly connected with a transmission column 11, and the transmission column 11 is rotatably connected to the inner side of the fixed cover 10, and the outer surface of the transmission column 11 The position corresponding to the ring gear 9 is fixedly connected with a transmission gear 12, and the transmission gear 12 is meshed with the ring gear 9,

By adopting the above technical solution, the transmission column 11 and each transmission gear 12 are rotated by the driving of the motor 13, and the transmission gear 12 realizes the rotation of the wrench head 2 by driving the corresponding ring gear 9, so as to make the wrench head 2 drive the screw to rotate. .

In a further solution, a limit ring 901 is fixedly connected to the outer edge of one end of the two ring gears 9 away from the wrench head 2, and the limit ring 901 is located on the outside of the fixed cover 10,

By adopting the above technical solution, it is convenient to stably limit the ring gear 9 and the wrench head 2 to the inner side of the fixed cover 10 through the limiting ring 901 .

In a further solution, the motor 13 and the battery 14 are electrically connected, and the outer surface of the battery 14 is provided with an adjustment switch 1401,

By adopting the above-mentioned technical solution, it is convenient to drive the motor 13 to start and stop and the forward and reverse rotation of the motor 13 through the adjustment switch 1401 .

The above are only the embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (6)

1. An electric wrench with an auxiliary positioning device, characterized in that it comprises a wrench body (1), the head of the wrench body (1) is provided with a wrench head (2), and the center of the wrench head (2) is provided with a wrench head (2). A rib groove (201) is provided at the rib groove (201), grooves (202) are formed on the inner surface of each end of the rib groove (201), and an extrusion block (3) is slidably connected to the inner side of each groove (202). , the outer surface of the wrench head (2) is provided with a drive assembly for simultaneously driving each extrusion block (3) to move, the outer surface of the wrench head (2) is sleeved with a fixed cover (10), the fixed cover (10) A tail cover (1001) is provided on the side close to the wrench body (1), and the tail cover (1001) is fixedly connected with the wrench body (1), the fixed cover (10) and the tail cover (1001) A rotating assembly for driving the wrench head (2) to rotate is arranged therebetween, and a battery (14) is fixedly connected to the tail of the outer surface of the wrench body (1). 2. An electric wrench with an auxiliary positioning device according to claim 1, characterized in that the drive assembly comprises a ring cover (7) and a helical gear ring (8), and the ring cover (7) is fixedly connected At the outer edge of the top end of the wrench head (2), a side cover (6) is fixedly connected to the position of the bottom end of the ring cover (7) corresponding to the groove (202), and the side cover (6) is fixedly connected to the wrench The outer side wall of the head (2) and the inner side of each side cover (6) are provided with a transmission helical gear (5), and the transmission helical gear (5) is meshed with the helical gear ring (8). A drive screw (4) is fixedly connected to the center of the drive helical gear (5), and the drive screw (4) is rotatably connected to the inner side of the wrench head (2), and each of the drive screws (4) is respectively threadedly connected on the inner side of each extrusion block (3). 3. An electric wrench with an auxiliary positioning device according to claim 2, characterized in that a plurality of first through openings (701) are evenly opened on the outer side wall of the ring cover (7), and the helical gear The outer surface of the ring (8) and the inner surface of each extrusion block (3) are provided with friction patterns, and the outer surface of the fixed cover (10) is evenly provided with second through openings (1002), and the second through openings (1002) is on the same level as the first port (701). 4. An electric wrench with an auxiliary positioning device according to claim 1, wherein the rotating assembly comprises two ring gears (9), a motor (13), and the two ring gears (9) They are respectively fixedly connected to the upper and lower ends of the wrench head (2), the ring gear (9) is rotatably connected to the inner side of the fixed cover (10), the motor (13) is fixedly connected to the top end of the tail cover (1001), and the The output end of the motor (13) is fixedly connected with a transmission column (11), and the transmission column (11) is rotatably connected to the inner side of the fixed cover (10), and the outer surface of the transmission column (11) corresponds to the ring gear (9). A transmission gear (12) is fixedly connected at all positions, and the transmission gear (12) is meshed with the ring gear (9). 5. An electric wrench with an auxiliary positioning device according to claim 4, characterized in that, a limit ring ( 901), the limiting ring (901) is located outside the fixed cover (10). 6 . The electric wrench with an auxiliary positioning device according to claim 4 , wherein the motor ( 13 ) and the battery ( 14 ) are electrically connected, and the outer surface of the battery ( 14 ) is provided with 6 . There is an adjustment switch (1401).

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