CN216098648U

CN216098648U - Electric torque wrench

Info

Publication number: CN216098648U
Application number: CN202122054408.5U
Authority: CN
Inventors: 景晓宇
Original assignee: Qingdao Shenlan Haoran Electromechanical Equipment Co ltd
Current assignee: Qingdao Shenlan Haoran Electromechanical Equipment Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-22
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses an electric torque wrench, which relates to the technical field of torque wrenches and comprises a main body device, a first sleeve ring and a second sleeve ring, wherein the second sleeve ring is arranged inside the main body device, the outer wall of the second sleeve ring is fixedly connected with a second supporting leg, the outer wall of the left end of the second sleeve ring is movably connected with the first sleeve ring, the outer wall of the first sleeve ring is fixedly connected with a first supporting leg, and the left end of the first supporting leg is fixedly connected with an anti-skidding bottom block. According to the utility model, by utilizing the auxiliary positioning effect of the first support leg and the second support leg, the situation that the driving head is deviated due to acting force generated by a user holding the electric torque wrench by hand is avoided after the driving head is butted, the problems that the driving head is deviated easily due to butt joint of the driving head in a holding state of the electric torque wrench in use, so that the torsion of a thread is overlarge, and the nut is fatigue-failed are solved, and meanwhile, the nut can be assembled and disassembled quickly by the torque wrench.

Description

Electric torque wrench

Technical Field

The utility model relates to the technical field of torque wrenches, in particular to an electric torque wrench.

Background

Torque wrenches (torque wrench), also called torque wrenches, torque wrenches or torque wrenches, are one type of wrench, and generally classified into electric torque wrenches and manual torque wrenches. The torque is the product of force and distance, and the torque applied needs to be controlled when fastening threaded fasteners such as screws, bolts, nuts and the like so as to ensure the threaded fastening and prevent the threads from being damaged due to overlarge torque, so that the torque wrench is used for operation. Firstly, a required upper limit of torque value is set, when the applied torque reaches a set value, the wrench can make a 'click' sound or the wrench joint is bent a little, which represents that the tightening is not carried out any more, but the existing electric wrench has certain problems in use.

The following problems exist in the prior art:

1. when the electric torque wrench is used, the nut joint is small, the driving head is easy to deviate in butt joint in a handheld state, the electric torque wrench cannot be perpendicular to the surface of a device for unloading screws, the butt joint time is prolonged, and the nut is not convenient to rapidly assemble and disassemble;

2. when an electric torque wrench is used for tightening the nut, the butt joint of the driving head and the butt joint nut is easy to deviate, so that the threads on the outer wall of the nut cannot be accurately butted with the bearing thread groove, the threads are overlarge in torque force, and the nut is fatigue-failed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric torque wrench, which aims to provide a first sleeve ring, a second sleeve ring, a first supporting leg and a second supporting leg and solves the problems that in the use of the electric torque wrench, a nut joint is small, a driving head is easy to deviate in butt joint in a handheld state, the electric torque wrench cannot be perpendicular to the surface of a device for unloading a screw, and the nut is not convenient to rapidly assemble and disassemble; wherein another kind of purpose is when utilizing electrodynamic type torque spanner to tighten the nut in order to solve, and the skew can cause nut outer wall screw thread and accept the thread groove and can not accurately dock easily taking place for the drive head with the butt joint nut butt joint for the screw thread receives torsion too big, leads to the problem of nut fatigue failure, with the effect of reaching nut and the accurate butt joint of thread groove to ground.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides an electrodynamic type torque wrench, includes main body device, the first lantern ring and second lantern ring, the inside of main body device is provided with the second lantern ring, the outer wall fixedly connected with second landing leg of the second lantern ring, the left end outer wall swing joint of the second lantern ring has first lantern ring, the first landing leg of outer wall fixedly connected with of first lantern ring, the left end fixedly connected with antiskid bottom block of first landing leg.

The inner wall of the second lantern ring is fixedly connected with a pressing rotating block, one side of the pressing rotating block is movably connected with a bearing rotating block, the bottom surface of the bearing rotating block is fixedly connected with a built-in toothed ring, and the left side of the built-in toothed ring is fixedly connected with a reset spring.

Adopt above-mentioned technical scheme, the effect of the assistance-localization real-time of the first landing leg of utilization and second landing leg in this scheme for after the drive head can dock, can not produce the condition that receives the handheld electrodynamic type torque wrench of user and produce the effort and lead to the skew of drive head, solved electrodynamic type torque wrench in use well, the nut connects lessly, under the handheld state, the drive head dock takes place the skew easily, can not make electrodynamic type torque wrench and the device surface of uninstallation screw become vertical state, be unfavorable for the problem of fast loading and unloading nut.

The technical scheme of the utility model is further improved as follows: the inner wall of the second lantern ring is provided with a limiting sliding groove, the inner wall of the limiting sliding groove is movably connected with a limiting strip, and the inner wall of the built-in toothed ring is in toothed connection with a threaded outer ring.

Adopt above-mentioned technical scheme, the effect of spacing strip in this scheme is that prevent that the second cover ring from producing rotatoryly when using, influences stable effect.

The technical scheme of the utility model is further improved as follows: the bottom fixedly connected with adapter arm of spacing, the inner wall swing joint of adapter arm has the drive head, the outer wall of adapter arm with the inner wall swing joint of second cover ring.

By adopting the technical scheme, the driving head in the scheme is a joint butted with the nut.

The technical scheme of the utility model is further improved as follows: the inner wall of the thread outer ring is fixedly connected with the outer wall of the bearing rod.

By adopting the technical scheme, the driving assembly in the scheme is a device for providing power drive for the driving head.

The technical scheme of the utility model is further improved as follows: the inside of main part device is provided with drive assembly, drive assembly's right side fixedly connected with handle.

By adopting the technical scheme, the handle in the scheme is convenient to hold by hands.

The technical scheme of the utility model is further improved as follows: and one end of the return spring, which is far away from the built-in toothed ring, is fixedly connected with the inner wall of the second sleeve ring.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides an electric torque wrench, which utilizes the auxiliary positioning effect of a first supporting leg and a second supporting leg to ensure that the situation that the driving head deviates due to acting force generated by a user holding the electric torque wrench by hand is not generated after the driving head is butted, thereby well solving the problems that the nut joint is smaller when the electric torque wrench is used, the driving head easily deviates when being held by hand, the electric torque wrench cannot be vertical to the surface of a device for unloading a screw, and the nut is not convenient to be quickly assembled and disassembled, and simultaneously solving the problems that when the nut is tightened by the electric torque wrench, the nut outer wall thread and a bearing thread groove cannot be accurately butted due to the easy deviation of the butting of the driving head and a butting nut, so that the thread is subjected to overlarge torque, and the nut is fatigue failure is caused.

2. The utility model provides an electric torque wrench, which can be completed by only butting with a bearing rod and then pressing and rotating when a second lantern ring is installed, is very simple and quick, can adjust the included angle between a first supporting leg and a second supporting leg by rotating the first supporting leg, well avoids the shielding of the first supporting leg and the second supporting leg on the sight of a user, and is also suitable for the assembly and disassembly of nuts on the surfaces of equipment with different specifications.

Drawings

FIG. 1 is a schematic structural diagram of a main body device according to the present invention;

FIG. 2 is a schematic view of a driving assembly according to the present invention;

FIG. 3 is a detailed view of the connection structure of the first and second collars according to the present invention;

fig. 4 is an enlarged view of the structure at the position a of the present invention.

In the figure: 1. a main body device; 2. a drive assembly; 3. a drive head; 4. a first collar; 5. a second collar; 6. a first leg; 7. a second leg; 8. a grip; 9. a bearing rod; 10. a limiting strip; 11. an anti-slip bottom block; 12. a limiting chute; 13. a return spring; 14. a gear ring is arranged inside; 15. a threaded outer ring; 16. carrying the turning block; 17. and pressing the rotating block.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the present invention provides an electric torque wrench, which comprises a main body device 1, a first collar 4 and a second collar 5, wherein the main body device 1 is internally provided with the second collar 5, the outer wall of the second collar 5 is fixedly connected with a second leg 7, the outer wall of the left end of the second collar 5 is movably connected with the first collar 4, the outer wall of the first collar 4 is fixedly connected with a first leg 6, the included angle between the first leg 6 and the second leg 7 can be adjusted by rotating the first leg 6, so as to well avoid the shielding of the first leg 6 and the second leg 7 from the sight of a user, the left end of the first leg 6 is fixedly connected with an anti-slip bottom block 11, the inner wall of the second collar 5 is fixedly connected with a pressure-applying rotating block 17, one side of the pressure-applying rotating block 17 is movably connected with a rotating block 16, the bottom surface of the rotating block 16 is fixedly connected with an internal gear ring 14, the left side fixedly connected with reset spring 13 of built-in ring gear 14, spacing spout 12 has been seted up to the inner wall of second lantern ring 5, the inner wall swing joint of spacing spout 12 has spacing 10, the bottom fixedly connected with of spacing 10 accepts the pole 9, the outer wall of accepting the pole 9 and the inner wall swing joint of the second lantern ring 5, when the installation to second lantern ring 5, only need press the rotation after the butt joint with accepting the pole 9 and can accomplish, the inner wall toothing of built-in ring gear 14 has screw outer lane 15, the inner wall of screw outer lane 15 and the outer wall fixed connection of accepting the pole 9, reset spring 13 keeps away from the one end of built-in ring gear 14 and the inner wall fixed connection of the second lantern ring 5.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the inner wall swing joint of the adapting rod 9 has the driving head 3, when the driving head 3 is utilized to tighten or lift off the screw, the first supporting leg 6 and the second supporting leg 7 are directly tightly attached to the surface of the device, the anti-skid bottom block 11 plays a role in increasing resistance, the first supporting leg 6 and the second supporting leg 7 can be prevented from sliding, the driving assembly 2 is arranged in the main body device 1, and the right side of the driving assembly 2 is fixedly connected with the handle 8.

The working principle of the electric torque wrench will be described in detail below.

As shown in fig. 1-4, during the use, firstly, the second lantern ring 5 is sleeved on the bearing rod 9, then the limiting sliding groove 12 is aligned with the limiting strip 10, then the first lantern ring 4 is pressed, the pressing rotating block 17 mounted on the inner wall of the second lantern ring 5 is driven to be clamped with the first supporting leg 6 on the built-in toothed ring 14, then the second supporting leg 7 is rotated to drive the built-in toothed ring 14 to rotate and be connected with the threaded outer ring 15, after the connection is completed, the pressing of the first lantern ring 4 is loosened, when the driving head 3 is used for screwing up or screwing down the screw, the first supporting leg 6 and the second supporting leg 7 are directly attached to the surface of the device, and the included angle between the first supporting leg 6 and the second supporting leg 7 can be adjusted by rotating the first supporting leg 6.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. An electrodynamic type torque wrench, includes main part device (1), first lantern ring (4) and second lantern ring (5), its characterized in that: a second lantern ring (5) is arranged inside the main body device (1), a second supporting leg (7) is fixedly connected to the outer wall of the second lantern ring (5), a first lantern ring (4) is movably connected to the outer wall of the left end of the second lantern ring (5), a first supporting leg (6) is fixedly connected to the outer wall of the first lantern ring (4), and an anti-skidding bottom block (11) is fixedly connected to the left end of the first supporting leg (6);

the inner wall of the second lantern ring (5) is fixedly connected with a pressure applying rotating block (17), one side of the pressure applying rotating block (17) is movably connected with a bearing rotating block (16), the bottom surface of the bearing rotating block (16) is fixedly connected with a built-in toothed ring (14), and the left side of the built-in toothed ring (14) is fixedly connected with a return spring (13).

2. The electric torque wrench as claimed in claim 1, wherein: the inner wall of the second lantern ring (5) is provided with a limiting sliding groove (12), the inner wall of the limiting sliding groove (12) is movably connected with a limiting strip (10), and a threaded outer ring (15) is in toothed connection with the inner wall of the built-in toothed ring (14).

3. The electric torque wrench as claimed in claim 2, wherein: the bottom fixedly connected with adapting rod (9) of spacing strip (10), the inner wall swing joint of adapting rod (9) has driving head (3), the outer wall of adapting rod (9) with the inner wall swing joint of second lantern ring (5).

4. The electric torque wrench as claimed in claim 3, wherein: the inner wall of the thread outer ring (15) is fixedly connected with the outer wall of the bearing rod (9).

5. The electric torque wrench as claimed in claim 4, wherein: the main body device (1) is internally provided with a driving component (2), and the right side of the driving component (2) is fixedly connected with a handle (8).

6. The electric torque wrench as claimed in claim 1, wherein: one end of the return spring (13) far away from the built-in gear ring (14) is fixedly connected with the inner wall of the second lantern ring (5).