CN217168320U

CN217168320U - Right-angle wrench with protection mechanism

Info

Publication number: CN217168320U
Application number: CN202220931846.7U
Authority: CN
Inventors: 王亮; 郑华平; 严林根
Original assignee: Zhejiang Liangye Group Co ltd
Current assignee: Zhejiang Liangye Group Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-12
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to an electric spanner technical field especially relates to a right angle spanner with protection mechanism. Its technical scheme includes casing and lithium cell, the double-shaft motor is installed to the inside centre of casing, double-shaft motor output shaft top is connected with the gear box, install bearing A in the middle of the gear box output shaft surface, the transmission is installed at gear box output shaft top, the transmission is installed at the transmission top and is detained A, the inside transmission that is located of casing is detained A top and is detained B through the transmission and install the shaft coupling, it has the transmission post to peg graft in the middle of the shaft coupling top, improves the use suitability of spanner, and then has improved the use practicality of spanner. The utility model provides a current device use angle be 180 degrees, and when the space was less, can't use it, it is lower to use the suitability, and the not good problem of practicality improves the use suitability of spanner, and then has improved the use practicality of spanner.

Description

Right-angle wrench with protection mechanism

Technical Field

The utility model relates to an electric spanner technical field specifically is a right angle spanner with protection mechanism.

Background

The electric wrench is an electric tool for screwing and unscrewing the bolt and the nut, and is a tool for screwing the high-strength bolt. The high-strength bolt screwing device is used for initial screwing, final screwing and initial screwing of a torsional shear type high-strength bolt in the construction of mounting a large hexagon head high-strength bolt on a steel structure bridge, a factory building, a chemical industry and power generation equipment, and has strict requirements on the torque or the axial force of a bolt fastener.

Through the magnanimity retrieval, discover electric wrench among the prior art as a public electric wrench for overhauing mechanical equipment that publication number is CN215617737U discloses, the cover has been established the location sleeve that has the bracing piece on the shell, and the bracing piece supports on mechanical equipment through adjusting pole and damping spring, makes electric wrench can obtain to support and handles, and the vibrations that electric wrench work produced simultaneously can carry out shock attenuation through damping spring and handle to prevent that vibrations influence the operation of staff to electric wrench and handle. This an electric spanner's for overhauing mechanical equipment bracing piece can rotate the processing through connecting piece relative positioning sleeve, lets the bracing piece can not occupation space when electric spanner does not use, and the handle below has set up the base case, can place box spanner commonly used, makes things convenient for electric spanner's use.

The existing electric wrench has the advantages that the use angle is 180 degrees, the electric wrench cannot be used when the space is small, the use applicability is low, and the practicability is poor.

Disclosure of Invention

An object of the utility model is to provide a right angle spanner with protection machanism possesses the high advantage of suitability, has solved current device and has used the angle and be 180 degrees, and when the space was less, can't use it, use the suitability lower, the not good problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a right-angle wrench with a protection mechanism comprises a shell and a lithium battery, wherein a double-shaft motor is installed in the middle of the inside of the shell, the top of an output shaft of the double-shaft motor is connected with a gear box, a bearing A is installed in the middle of the outer surface of the output shaft of the gear box, a transmission buckle A is installed at the top of the output shaft of the gear box, a shaft coupling is installed at the top of the transmission buckle A in the inside of the shell through a transmission buckle B, a transmission column is inserted in the middle of the top of the shaft coupling, the outer surface of the transmission column is sleeved with the bearing B near the top and near the bottom, a shaft baffle is installed at the middle of the bearing B at two sides of the outer surface of the transmission column, a driving gear is installed at the top of the transmission column, a transmission shaft is installed in the middle of the top of the shell, a driven gear is installed at the outer surface of the transmission shaft on the top of the driving gear, the outer surface of the transmission shaft is provided with a limiting sleeve at one side of the driven gear, and the output shaft of the gear box is arranged at the top of the bearing A and provided with a spring through a spring seat.

Preferably, the battery holder is installed to the casing bottom, it has the lithium cell to peg graft in the middle of battery holder one side, it is right the utility model provides an electric power supports.

Preferably, the casing surface is located battery tray position department and installs the handle cover, through setting up the handle cover, is convenient for grip the utility model discloses.

Preferably, the blades are installed on an output shaft at the bottom of the double-shaft motor, and the blades are arranged to dissipate heat inside the shell.

Preferably, the bottom installs the controller in the casing, the casing is located controller one side and installs the switch, through setting up controller and switch, is convenient for control the utility model discloses.

Preferably, the transmission column is connected with the coupler through transmission teeth, so that the transmission column is driven to rotate through the coupler.

Preferably, the driving gear is meshed with the driven gear, so that the transmission shaft is driven to rotate conveniently.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the transmission post, the driving gear, driven gear and transmission shaft, reach and realize right angle drive's effect, set up the driving gear at transmission capital portion, set up the transmission shaft in the middle of the top in the casing, it sets up driven gear to be located the driving gear top at the transmission shaft surface, it sets up the stop collar to be located driven gear one side at the transmission shaft surface, use the angle to solve and be 180 degrees, when the space is less, can't use it, use the suitability lower, the not good problem of practicality, improve the use suitability of spanner, and then improved the use practicality of spanner.

2. The utility model discloses a set up the blade in double-shaft motor bottom output shaft, reach the effect of cooling down to the motor operation to it is high to solve motor operating temperature, can't dispel the heat to it, makes the not good problem of life-span, has reduced the operating temperature of motor, thereby has improved the life of spanner.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged structural diagram of B in fig. 1.

Reference numerals: 1. a housing; 2. a controller; 3. a blade; 4. a double-shaft motor; 5. a coupling; 6. a switch; 7. a battery holder; 8. a lithium battery; 9. a spring; 10. a spring seat; 11. a gear case; 12. a bearing A; 13. a driver; 14. a transmission buckle A; 15. a transmission buckle B; 16. a bearing B; 17. a driving gear; 18. a driven gear; 19. a limiting sleeve; 20. a drive shaft; 21. a shaft stop; 22. a drive post.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, to achieve the above purpose, the present invention provides the following technical solutions: a right-angle wrench with a protection mechanism comprises a shell 1 and a lithium battery 8, wherein the bottom of the shell 1 is provided with a battery seat 7, the lithium battery 8 is inserted in the middle of one side of the battery seat 7, the middle inside the shell 1 is provided with a double-shaft motor 4, the top of an output shaft of the double-shaft motor 4 is connected with a gear box 11, the middle outside the output shaft of the gear box 11 is provided with a bearing A12, the top of the output shaft of the gear box 11 is provided with a transmission buckle A14, the top inside the shell 1 is provided with a transmission buckle A14, the top of the transmission buckle A15 is provided with a coupling 5, the middle inside the top of the coupling 5 is inserted with a transmission column 22, the transmission column 22 is connected with the coupling 5 through transmission teeth, the outer surface of the transmission column 22 is sleeved with a bearing B16 close to the top and the bottom, the outer surface of the transmission column 22 is provided with a shaft stopper 21 in the middle of the bearing B16 at two sides, the top of the transmission column 22 is provided with a driving gear 17, install transmission shaft 20 in the middle of the top in casing 1, driven gear 18 is installed at transmission shaft 20 surface position at driving gear 17 top, driving gear 17 meshes with driven gear 18 mutually, 20 surface positions of transmission shaft are installed stop collar 19 in driven gear 18 one side, gear box 11 output shaft position has spring 9 at bearing A12 top through spring holder 10, casing 1 surface position in battery tray 7 position department installs the handle cover, blade 3 is installed to 4 bottom output shafts of biax motor, controller 2 is installed to the bottom in casing 1, casing 1 is located controller 2 one side and installs switch 6.

The working principle of the right angle wrench with the protection mechanism based on the embodiment is as follows: will the utility model discloses install the back, during the use, connect the bolt cover through transmission shaft 20, and with the bolt cover at the nut surface, start biax motor 4 through switch 6 and controller 2, it rotates to drive gear box 11 output shaft through biax motor 4, it detains A14 rotation to drive the transmission through gear box 11 output shaft of rethread, detain A14 and transmission through the transmission and detain B15, it rotates to drive shaft coupling 5, it rotates to drive transmission post 22 through shaft coupling 5, it rotates to drive driving gear 17 through transmission post 22, through driving gear 17 and driven gear 18, it rotates to drive transmission shaft 20, realize the effect of dismouting screw, to this point, this equipment work flow is accomplished.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A right angle wrench with a protection mechanism comprises a shell (1) and a lithium battery (8), and is characterized in that: the motor is characterized in that a double-shaft motor (4) is installed in the middle of the inside of the shell (1), the top of an output shaft of the double-shaft motor (4) is connected with a gear box (11), a bearing A (12) is installed in the middle of the outer surface of the output shaft of the gear box (11), a transmission device (13) is installed at the top of the output shaft of the gear box (11), a transmission buckle A (14) is installed at the top of the transmission device (13), a coupling (5) is installed at the top of the transmission buckle A (14) inside the shell (1) through a transmission buckle B (15), a transmission column (22) is inserted in the middle of the top of the coupling (5), a bearing B (16) is sleeved on the outer surface of the transmission column (22) close to the top and the bottom, a shaft stopper (21) is installed in the middle of the bearing B (16) on the two sides of the outer surface of the transmission column (22), and a driving gear (17) is installed on the top of the transmission column (22), install transmission shaft (20) in the middle of the top in casing (1), driven gear (18) are installed to transmission shaft (20) surface position in driving gear (17) top, stop collar (19) are installed to transmission shaft (20) surface position in driven gear (18) one side, gear box (11) output shaft position in bearing A (12) top installs spring (9) through spring holder (10).

2. A right angle wrench as claimed in claim 1, wherein: a battery holder (7) is installed at the bottom of the shell (1), and a lithium battery (8) is inserted in the middle of one side of the battery holder (7).

3. A right angle wrench as claimed in claim 1, wherein: the outer surface of the shell (1) is provided with a handle sleeve at the position of the battery seat (7).

4. A right angle wrench as claimed in claim 1, wherein: and an output shaft at the bottom of the double-shaft motor (4) is provided with a blade (3).

5. A right angle wrench as claimed in claim 1, wherein: controller (2) are installed to the bottom in casing (1), casing (1) are located controller (2) one side and install switch (6).

6. A right angle wrench as claimed in claim 1, wherein: the transmission column (22) is connected with the coupler (5) through transmission teeth.

7. A right angle wrench as claimed in claim 1, wherein: the driving gear (17) is meshed with the driven gear (18).