CN212887363U

CN212887363U - Portable screw screwing and unscrewing device

Info

Publication number: CN212887363U
Application number: CN202021714650.XU
Authority: CN
Inventors: 郭志伟; 郭伟; 郭红兵; 张丽; 刘玉斌; 牛波; 崔政
Original assignee: Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Current assignee: Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-06
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to a portable screw screwing and unscrewing device, belonging to the technical field of screw screwing and unscrewing devices; the technical problem to be solved is as follows: the improvement of the structure of the portable screw screwing and unscrewing device is provided; the technical scheme for solving the technical problem is as follows: fixing holes are formed in the two sides of the fixing plate, a main shaft is vertically arranged in the fixing hole in one side of the fixing plate, a driving gear is arranged on the main shaft, an auxiliary shaft is vertically arranged in the fixing hole in the other side of the fixing plate, a driven gear is arranged on the auxiliary shaft, and the driving gear is in transmission connection with the driven gear through a chain; one end of the main shaft is sleeved with a stop valve wrench, the other end of the main shaft is movably connected with a fixed shaft, and a joint bearing is arranged on the fixed shaft; one end of the auxiliary shaft is movably connected with the square shaft sleeve, and the other end of the auxiliary shaft is movably connected with the screw mounting seat; the utility model discloses be applied to and twist the screw of tearing open.

Description

Portable screw screwing and unscrewing device

Technical Field

The utility model relates to a portable wrong screw device of tearing open belongs to wrong screw device technical field of tearing open.

Background

The loosening and tightening screwing-disassembling screw belongs to basic work for installing and maintaining mechanical part parts, a screw head or a nut is generally twisted by using a screwdriver or a spanner with a handle, the aim of saving labor can be generally achieved by using a high-torque screwdriver or a spanner, but in actual operation, the screw with a hidden setting position is often encountered, the existing screwdriver or the spanner cannot be used for dismounting on the premise of not damaging surrounding part structures, or when the spanner is used for twisting, the target screw bolt is weak in stress or cannot be stressed, so that dismounting failure is caused; in order to solve the problem that the screwing and unscrewing device does not support transverse use, although the L-shaped wrench or the inner hexagon wrench can be used for screwing and unscrewing, in a part of harsh environments, such as a narrow environment or an aerial work environment, the wrench cannot be in place, and the screwing and unscrewing is still laborious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: provides an improvement of the structure of a portable screwing and unscrewing device.

In order to solve the technical problem, the utility model discloses a technical scheme be: a portable screw screwing and unscrewing device comprises a fixing plate, wherein fixing holes are formed in two sides of the fixing plate, a main shaft is vertically arranged in the fixing hole in one side of the fixing plate, a driving gear is arranged on the main shaft, an auxiliary shaft is vertically arranged in the fixing hole in the other side of the fixing plate, a driven gear is arranged on the auxiliary shaft, and the driving gear is in transmission connection with the driven gear through a chain;

one end of the main shaft is sleeved with a stop valve wrench, the other end of the main shaft is movably connected with a fixed shaft, and a joint bearing is arranged on the fixed shaft;

one end of the auxiliary shaft is movably connected with the square shaft sleeve, and the other end of the auxiliary shaft is movably connected with the screw mounting seat;

the joint bearing is connected with the handle end of the nut fixing pliers in a welding mode, and the jaw of the nut fixing pliers is arranged to be aligned to the outer side of the screw mounting seat, so that the jaw of the nut fixing pliers can clamp a nut to be disassembled and assembled on a screw.

And a telescopic spring is connected between the handle of the nut fixing clamp and the fixing plate.

The screw mounting seat is made of a magnetic material.

The utility model discloses beneficial effect for prior art possesses does: the screw screwing and unscrewing device provided by the utility model is based on the transmission structure design, the unscrewing power is transmitted to the driven gear by the stop valve wrench through the chain, and drives the corresponding shaft sleeve and the screw mounting seat to rotate, thereby twisting the screw to be rotated; whole device also can be according to the needs of twisting the bolt of tearing open, and do the extension processing to the device drive wheel and the pivot from the driving wheel, sets up fastening spanner at pivot extension end in addition, carries out reverse fixed to the bolt nut of twisting the tearing open, makes whole bolt atress more even, twists to tear open more laborsaving, but the wide application is in the narrow and small or high altitude screw of spare part in space and is twisted and tear open.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

in the figure: 1 is a fixed plate, 2 is a main shaft, 3 is a driving gear, 4 is an auxiliary shaft, 5 is a driven gear, 6 is a chain, 7 is a stop valve wrench, 8 is a fixed shaft, 9 is a joint bearing, 10 is a square shaft sleeve, 11 is a screw mounting seat, 12 is a nut fixing clamp, and 13 is a telescopic spring.

Detailed Description

As shown in fig. 1 and 2, the utility model relates to a portable screwing and unscrewing device, including fixed plate (1), the both sides of fixed plate (1) all open has the fixed orifices, main shaft (2) are installed perpendicularly to the fixed orifices of fixed plate (1) one side, install drive gear (3) on main shaft (2), countershaft (4) are installed perpendicularly to the fixed orifices of fixed plate (1) other side, install driven gear (5) on countershaft (4), drive gear (3) are connected with driven gear (5) transmission through chain (6);

one end of the main shaft (2) is sleeved with a stop valve wrench (7), the other end of the main shaft (2) is movably connected with a fixed shaft (8), and a joint bearing (9) is arranged on the fixed shaft (8);

one end of the auxiliary shaft (4) is movably connected with the square shaft sleeve (10), and the other end of the auxiliary shaft (4) is movably connected with the screw mounting seat (11);

the joint of the joint bearing (9) is welded with the handle end of the nut fixing pliers (12), and the jaws of the nut fixing pliers (12) are arranged to be aligned with the outer side of the screw mounting seat (11), so that the jaws of the nut fixing pliers (12) can clamp a nut to be disassembled and assembled on a screw.

And a telescopic spring (13) is connected between the handle of the nut fixing pliers (12) and the fixing plate (1).

The screw mounting seat (11) is made of magnetic materials.

The embodiment 1 of the utility model provides a twist and tear screw device open, concretely relates to horizontal screwdriver or horizontal spanner, mainly constitute by the fixed plate as the base, before using, need to open at the both ends of fixed plate has the pivot hole, installs main shaft and countershaft in the pivot hole, then installs drive and driven gear, and both realize the linkage through the chain, and the torsion shaft of application force and atress is in two axes; when screwing and dismantling screw nut, the mode of setting up fixed pincers through the extension end at main shaft and countershaft realizes the reverse fixed to the nut, stops through rotating at this moment and send the valve spanner, drives the countershaft rotation, can carry out the dismouting with screw and nut in the screw mount pad, and the expanding spring that sets up between fixed pincers of cooperation and the fixed plate can make the dismouting more laborsaving.

The embodiment 2 of the utility model also can change whole device into the screwdriver and carry out the dismouting, conveniently twist and tear the screw open, install interchangeable screwdriver head on the screw mount pad during the repacking to remove the tool bit to the screw upper end of treating the dismouting, use during the dismouting and only send valve spanner to rotate the screwdriver head rotation main shaft and can drive on the countershaft and rotate, thereby reach the purpose of twisting the screw open.

About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a portable screw device of tearing open by twisting, includes fixed plate (1), the fixed orifices, its characterized in that have all been opened to the both sides of fixed plate (1): a main shaft (2) is vertically arranged in a fixing hole at one side of the fixing plate (1), a driving gear (3) is arranged on the main shaft (2), an auxiliary shaft (4) is vertically arranged in a fixing hole at the other side of the fixing plate (1), a driven gear (5) is arranged on the auxiliary shaft (4), and the driving gear (3) is in transmission connection with the driven gear (5) through a chain (6);

2. A portable screw turning and unscrewing device as claimed in claim 1, wherein: and a telescopic spring (13) is connected between the handle of the nut fixing pliers (12) and the fixing plate (1).

3. A portable screw turning and unscrewing device as claimed in claim 2, wherein: the screw mounting seat (11) is made of magnetic materials.