CN212735832U - Electric wrench with auxiliary positioning mechanism - Google Patents

Abstract

The utility model discloses an electric wrench with auxiliary positioning mechanism relates to the electric wrench field, including the wrench body, one side on wrench body top is connected with the installation storehouse, and the internally mounted in installation storehouse has cooling fan, one side that the inside in installation storehouse is located cooling fan is connected with the filter screen. The utility model discloses a spanner main part that sets up, a pedestal, the installation cavity, the carriage release lever, drive gear, electromagnet, connect the storehouse, the crank, the ratchet, the pawl, action wheel and follow the driving wheel, can drive the action wheel and rotate from the driving wheel when having realized rotating the crank, action wheel and drive gear again from the driving wheel and rotate, drive gear meshes with the carriage release lever mutually, so the carriage release lever slides and leaves the inside of installation cavity, the carriage release lever that removes can fix at metal plane through electromagnet, thereby share bearing capacity for the spanner main part, thereby make operating personnel needn't all power support it, alleviate operating personnel burden.

Description

Electric wrench with auxiliary positioning mechanism

Technical Field

The utility model relates to an electric spanner field specifically is an electric spanner with auxiliary positioning mechanism.

Background

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

Current electric spanner is because internally mounted motor and battery, so weight is great, does not have supplementary fixed structure, and the manual work is taken and is under construction comparatively inconvenient, and the time just can the hand ache for a long time, and current electric spanner does not have heat radiation structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve current electric spanner because internally mounted motor and battery, so weight is great, does not have supplementary fixed structure, and it is comparatively inconvenient that the manual work is taken to be under construction, and the time just can the hand ache for a long time, and current electric spanner does not have heat radiation structure's problem, provides an electric spanner with supplementary positioning mechanism.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric wrench with auxiliary positioning mechanism, includes wrench body, one side on wrench body top is connected with the installation storehouse, and the internally mounted in installation storehouse has cooling fan, one side that the inside in installation storehouse is located cooling fan is connected with the filter screen, the inside top of wrench body is connected with the through-hole, wrench body's bottom is connected with the base, and the inside of base is provided with the installation cavity, the internally connected with carriage release lever of installation cavity, and the one end of carriage release lever is connected with electromagnet, one side of base is provided with connects the storehouse, and connects one side in storehouse and be connected with the crank, one side of crank is connected with the action wheel, and one side of action wheel is connected with from the driving wheel, all be connected with drive gear from one side of driving wheel and action.

Preferably, the inboard in installation storehouse is connected with the internal thread, one side on spanner main part top is connected with the external screw thread, and spanner main part passes through internal thread and external screw thread with the installation storehouse and can dismantle the connection, portable power source is installed on the top in installation storehouse, and one side of portable power source is provided with control switch.

Preferably, the outside of spanner main part is provided with the ventilation filter screen, and the quantity of ventilation filter screen is multiunit.

Preferably, the top and the bottom of carriage release lever all are connected with tooth, and tooth meshes with drive gear mutually, the both sides of carriage release lever all are connected with the slider, the inside of installation cavity be provided with slider assorted spout, and installation cavity and carriage release lever pass through slider and spout sliding connection.

Preferably, the driving wheel is meshed with the driven wheel, and the driven wheel is rotatably connected with the connecting bin through a bearing.

Preferably, the outer side of the crank is connected with a ratchet wheel, the outer side of the connecting bin is provided with a pawl above the ratchet wheel, the pawl is matched with the ratchet wheel, and the pawl is rotatably connected with the connecting bin.

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

1. the utility model discloses a spanner main part that sets up, a pedestal, the installation cavity, the carriage release lever, drive gear, electromagnet, connect the storehouse, the crank, the ratchet, the pawl, action wheel and follow the driving wheel, can drive the action wheel and rotate from the driving wheel when having realized rotating the crank, action wheel and drive gear again from the driving wheel and rotate, drive gear meshes with the carriage release lever mutually, so the carriage release lever slides and leaves the inside of installation cavity, the carriage release lever that removes can fix at metal plane through electromagnet, thereby share bearing capacity for the spanner main part, thereby make operating personnel needn't all power support it, alleviate operating personnel burden.

2. The utility model discloses an installation storehouse, through-hole, cooling fan, filter screen that set up have realized that cooling fan can dispel the heat for the inside motor of spanner main part when spanner main part moves for the motor operation is more smooth and easy, avoids because the high temperature that produces during the operation can't volatilize and take place to damage, thereby prolongs the life of motor and spanner main part.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic view of the crank connecting structure of the present invention.

In the figure: 1. a wrench body; 2. installing a bin; 3. a through hole; 4. a heat radiation fan; 5. filtering with a screen; 6. a base; 7. a mounting cavity; 8. a travel bar; 9. a transmission gear; 10. an electromagnetic chuck; 11. a connecting bin; 12. a crank; 13. a ratchet wheel; 14. a pawl; 15. a driving wheel; 16. a driven wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The cooling fan (model: DHBFG) and the electromagnetic chuck (model: JY-P25/20) mentioned in the utility model can be obtained by market or private ordering.

Please refer to fig. 1-3, an electric wrench with an auxiliary positioning mechanism, includes a wrench body 1, one side of the top end of the wrench body 1 is connected with an installation bin 2, and the inside of the installation bin 2 is provided with a heat dissipation fan 4, one side of the inside of the installation bin 2, which is located at the heat dissipation fan 4, is connected with a filter screen 5, the top end of the inside of the wrench body 1 is connected with a through hole 3, the bottom end of the wrench body 1 is connected with a base 6, and the inside of the base 6 is provided with an installation cavity 7, the inside of the installation cavity 7 is connected with a movable rod 8, and one end of the movable rod 8 is connected with an electromagnetic chuck 10, one side of the base 6 is provided with a connection bin 11, and one side of the connection bin 11 is connected with a crank 12, one side of the crank 12 is connected with a driving wheel 15.

The utility model discloses a spanner main part 1 that sets up, a pedestal 6, the installation cavity 7, the carriage release lever 8, drive gear 9, electromagnet 10, connect storehouse 11, crank 12, ratchet 13, pawl 14, action wheel 15 and from driving wheel 16, can drive action wheel 15 and rotate from driving wheel 16 when having realized rotating crank 12, action wheel 15 and drive gear 9 again from driving wheel 16 and rotate, drive gear 9 meshes with carriage release lever 8 mutually, so carriage release lever 8 slides and leaves the inside of installation cavity 7, carriage release lever 8 that removes can fix at metal plane through electromagnet 10, thereby share bearing capacity for spanner main part 1, thereby make operating personnel needn't all power support it, alleviate operating personnel burden.

Please refer to fig. 1 heavily, the inside of the installation bin 2 is connected with an internal thread, one side of the top end of the wrench body 1 is connected with an external thread, and the wrench body 1 and the installation bin 2 are detachably connected through the internal thread and the external thread, the portable power source is installed on the top end of the installation bin 2, and one side of the portable power source is provided with a control switch, so that the installation bin 2 can be conveniently replaced through the detachable connection, and the device is more flexible.

Please refer to fig. 2, the wrench body 1 is provided with a plurality of ventilation filter screens at the outer side, and the ventilation filter screens are made of metal grating material, so as to achieve the ventilation purpose and prevent dust and impurities from entering.

Please refer to fig. 1 and fig. 3, the top end and the bottom end of the moving rod 8 are both connected with teeth, and the teeth are engaged with the transmission gear 9, both sides of the moving rod 8 are connected with sliders, a sliding groove matched with the slider is arranged inside the mounting cavity 7, the mounting cavity 7 and the moving rod 8 are connected in a sliding manner through the slider and the sliding groove, the sliding groove and the slider can assist the moving rod 8 to slide inside the mounting cavity 7, and a clamping block is arranged inside the mounting cavity 7, so that the moving rod 8 can be prevented from moving away from the inside of the mounting cavity 7.

Please refer to fig. 3, the driving wheel 15 is engaged with the driven wheel 16, the driven wheel 16 is rotatably connected with the connecting chamber 11 through a bearing, the driving wheel 15 and the driven wheel 16 are both connected with a transmission shaft inside, and the transmission shaft penetrates through the base 6 and is connected with the transmission gear 9.

Please refer to fig. 2, the outside of the crank 12 is connected with a ratchet 13, the outside of the connecting bin 11 is located above the ratchet 13 and is provided with a pawl 14, the pawl 14 is matched with the ratchet 13, the pawl 14 is rotatably connected with the connecting bin 11, the ratchet 13 is matched with the pawl 14 to achieve the purpose of preventing the crank 12 from rotating, the ratchet 13 is fixedly connected with the crank 12, and the crank 12 drives the ratchet 13 to rotate when rotating.

The working principle is as follows: during the use, 1 internally mounted's of spanner main part battery makes it can normal operating for it provides the electric energy, utilizes spanner main part 1 to carry out the bolt pivoted the time, earlier gets into the bolt outside with the sleeve block of spanner main part 1 front end, confirms the position of having turned round after, rotates crank 12 for crank 12 drives action wheel 15 and rotates, action wheel 15 and from the meshing of driving wheel 16, so crank 12 rotates and can drive action wheel 15 and rotate from driving wheel 16. The action wheel 15 and the driven wheel 16 drive the transmission gear 9 to rotate respectively, two sets of transmission gear 9 can drive the movable rod 8 to move in the installation cavity 7, so that the movable rod 8 slides out from the installation cavity 7, the movable rod 8 utilizes the electromagnetic chuck 10 at the front end thereof, and can be fixed with a metal plane, so that the wrench body 1 has a point for sharing gravity, so that the wrench body 1 is supported without full force of an operator, the burden of the operator is reduced, when the wrench body 1 drives the bolt to rotate, an internal motor runs, the heat dissipation fan 4 is started, the heat dissipation fan 4 can dissipate heat in the wrench body 1 through the through hole 3, the heat dissipation fan dissipates heat through an external ventilation filter screen, and the service life of the wrench body 1 is prolonged for dissipating heat in the wrench body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An electric wrench with an auxiliary positioning mechanism comprises a wrench main body (1), and is characterized in that: one side of the top end of the wrench main body (1) is connected with an installation bin (2), a heat radiation fan (4) is installed inside the installation bin (2), one side, located on the heat radiation fan (4), of the installation bin (2) is connected with a filter screen (5), the top end of the inside of the wrench main body (1) is connected with a through hole (3), the bottom end of the wrench main body (1) is connected with a base (6), an installation cavity (7) is formed inside the base (6), a moving rod (8) is connected inside the installation cavity (7), one end of the moving rod (8) is connected with an electromagnetic chuck (10), one side of the base (6) is provided with a connection bin (11), one side of the connection bin (11) is connected with a crank (12), one side of the crank (12) is connected with a driving wheel (15), and one side of the driving wheel (15) is connected with a, one side of the driven wheel (16) and one side of the driving wheel (15) are both connected with a transmission gear (9).

2. The electric wrench with the auxiliary positioning mechanism according to claim 1, further comprising: the inboard of installation storehouse (2) is connected with the internal thread, one side on spanner main part (1) top is connected with the external screw thread, and spanner main part (1) can be dismantled through internal thread and external screw thread with installation storehouse (2) and be connected, portable power source is installed on the top of installation storehouse (2), and one side of portable power source is provided with control switch.

3. The electric wrench with the auxiliary positioning mechanism according to claim 1, further comprising: the outside of spanner main part (1) is provided with the ventilation filter screen, and the quantity of ventilation filter screen is the multiunit.

4. The electric wrench with the auxiliary positioning mechanism according to claim 1, further comprising: the top and the bottom of carriage release lever (8) all are connected with tooth, and tooth and drive gear (9) mesh mutually, the both sides of carriage release lever (8) all are connected with the slider, the inside of installation cavity (7) be provided with slider assorted spout, and installation cavity (7) pass through slider and spout sliding connection with carriage release lever (8).

5. The electric wrench with the auxiliary positioning mechanism according to claim 1, further comprising: the driving wheel (15) is meshed with the driven wheel (16), and the driven wheel (16) is rotatably connected with the connecting bin (11) through a bearing.

6. The electric wrench with the auxiliary positioning mechanism according to claim 1, further comprising: the outside of crank (12) is connected with ratchet (13), the outside of connecting storehouse (11) is located the top of ratchet (13) and is provided with pawl (14), and pawl (14) and ratchet (13) phase-match, pawl (14) with connect storehouse (11) and rotate and be connected.

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