CN212497486U

CN212497486U - Electric wrench for mechanical maintenance

Info

Publication number: CN212497486U
Application number: CN202020598027.6U
Authority: CN
Inventors: 王爱勤
Original assignee: Shenzhen Darenyi Hardware Tools Co ltd
Current assignee: Shenzhen Darenyi Hardware Tools Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-09
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of electric tools, in particular to an electric wrench for mechanical maintenance, which comprises a gun body, wherein the left end inside the gun body is fixedly connected with a plurality of small electric rotating motors, the left ends of the small electric rotating motors are fixedly connected with rotating shafts, the left ends of the rotating shafts penetrate through the gun body and are rotatably connected with the gun body, the left ends of the rotating shafts are fixedly connected with pneumatic telescopic rods, the middle part of the left end of the gun body is fixedly connected with a fixed shaft, the left end of the fixed shaft is fixedly connected with a round block, the left end inside the round block is provided with a second butt joint groove, and the middle end of the second butt joint groove is fixedly connected with; through setting up the light, do benefit to and carry out screw dismantlement on the machinery and advance to screw up in the dim place of light, reduced misoperation, convenience when having guaranteed the operation, the spanner annex has set up a plurality of moreover, through the removal of push rod, is convenient for change the spanner annex of different specifications, has guaranteed the practicality and the application scope of the rifle body.

Description

Electric wrench for mechanical maintenance

Technical Field

The utility model relates to an electric tool technical field especially relates to an electric spanner for mechanical maintenance.

Background

With the development of battery manufacturing technology, a battery-type electric tool without a power line using a nickel-cadmium battery as a power source appeared, but the development was slow due to the high price at that time, and the charging time was shortened due to the reduction in the price of the battery in the middle and late 70 s.

At present, an electric wrench for mechanical maintenance is generally in a gun body shape, when a screw on a machine is disassembled or screwed up through the electric wrench in the gun body shape, the situation of dim light can be met, and the gun body is not provided with an illumination structure, so that misoperation can be easily caused, and convenience in operation can be affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric wrench for mechanical maintenance to solve the rifle body that above-mentioned background art provided and do not have illumination structure, easily at dim local misoperation of light, the spanner annex is changed moreover conveniently inadequately, influences the simple operation nature, leads to the practicality of the rifle body and the problem that application scope is limited etc.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric wrench for mechanical maintenance, comprising a gun body:

the left end of the interior of the gun body is fixedly connected with a plurality of small electric rotating motors, the left ends of the small electric rotating motors are fixedly connected with rotating shafts, the left ends of the rotating shafts penetrate through the gun body and are rotatably connected with the gun body, the left ends of the rotating shafts are fixedly connected with air pressure telescopic rods, the middle part of the left end of the gun body is fixedly connected with a fixed shaft, the left end of the fixed shaft is fixedly connected with a round block, the left end of the interior of the round block is provided with a second butt joint groove, the middle end of the second butt joint groove is fixedly connected with a fixed rod, a plurality of push rods are arranged on the inner side of the round block and positioned on the periphery of the fixed rod, the right end of each push rod is fixedly connected with the left end of the air pressure telescopic rod, the left end of each push rod extends out of the second butt joint groove, the middle, just the dead lever left end has connect the light, the equal fixedly connected with locating piece in both ends about the dead lever, just equal threaded connection in both ends has locking screw about the disk, the light left end is equipped with the butt joint piece, just butt joint piece left end fixedly connected with cutting ferrule, the inside opening of cutting ferrule has a plurality of through-hole, just the inside equal rotation in through-hole is connected with the wrench accessory, first butt joint groove has all been opened to wrench accessory left end, the inside middle-end of cutting ferrule is opened there is the slot, just the equal fixedly connected with location concave rail in both ends about the slot, just the dead lever alternates into in the slot, the locating piece dock in the location concave rail, just the cutting ferrule periphery is opened has a plurality of to lead to the groove.

Furthermore, the butt joint block is butt jointed in the second butt joint groove, and the locking screw rod is in threaded connection with the butt joint block.

Further, each of the wrench attachments has a different specification.

Further, the butt joint piece is run through into to the push rod left end, just the push rod left end extends into through-hole, a plurality of push rod and a plurality of the through-hole all is annular evenly distributed, just butt joint piece and through-hole all rotate with the push rod and are connected.

Furthermore, the left end of the push rod is rectangular, the first butt joint groove is rectangular, the left end of the push rod is in butt joint with the inside of the first butt joint groove, a magnetic sheet is connected with the inside of the first butt joint groove, and the push rod is composed of iron adsorbed with the magnetic sheet.

Further, the electric wire is inlaid in the fixing rod and the butt joint block, the illuminating lamp is electrically connected with the storage battery through the electric wire, and the storage battery is electrically connected with the button switch through the electric wire.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

through setting up the light, do benefit to and carry out the dismantlement or the screwing up of screw in the dim place of light, reduce misoperation, convenience when having guaranteed the operation, and set up the wrench attachment of a plurality of different specifications in the cutting ferrule, the practicality and the application scope of the rifle body have been guaranteed, and every wrench attachment is all the autonomous working, therefore the wrench attachment does not influence each other when using, and be convenient for accomodate the wrench attachment to the through-hole in with wrench attachment is automatic through reset spring's elasticity, and will dock and butt joint groove separation, do benefit to the wrench attachment of changing other specifications through the cutting ferrule.

Drawings

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

FIG. 2 is a schematic view of a partially enlarged structure A of the present invention;

fig. 3 is a schematic diagram of a right view structure of the cutting sleeve of the present invention;

fig. 4 is a schematic view of the gun body structure of the present invention.

In FIGS. 1-4: the gun comprises a gun body 1, a small electric rotating motor 2, a fixed shaft 3, a round block 4, a button switch 5, a push rod 6, a fixed rod 7, a clamping sleeve 8, a wrench accessory 9, a butt joint block 10, an air pressure telescopic rod 11, a first butt joint groove 12, a rotating shaft 13, an illuminating lamp 14, a storage battery 15, a positioning block 16, a through hole 17, a slot 18, a second butt joint groove 19, a positioning concave rail 20 and a locking screw 21.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1 to 4:

the utility model provides an electric wrench for mechanical maintenance, including the rifle body 1, each part of an electric wrench for mechanical maintenance is described in detail below:

the left end inside the gun body 1 is fixedly connected with a plurality of small electric rotating motors 2, the left ends of the small electric rotating motors 2 are fixedly connected with rotating shafts 13, the left ends of the rotating shafts 13 penetrate through the gun body 1, the rotating shafts 13 are rotatably connected with the gun body 1, the left ends of the rotating shafts 13 are fixedly connected with air pressure telescopic rods 11, the middle parts of the left ends of the gun body 1 are fixedly connected with fixed shafts 3, the left ends of the fixed shafts 3 are fixedly connected with round blocks 4, the left ends inside the round blocks 4 are provided with second butt joint grooves 19, the middle ends of the second butt joint grooves 19 are fixedly connected with fixed rods 7, a plurality of push rods 6 are arranged inside the round blocks 4 and positioned at the peripheries of the fixed rods 7, the right ends of the push rods 6 are fixedly connected with the left ends of the air pressure telescopic rods 11, the left ends of the push rods 6 extend out of the second butt joint grooves 19, and the middle parts of, a storage battery 15 is embedded in the left end of the fixing rod 7, an illuminating lamp 14 is connected to the left end of the fixing rod 7, electric wires are embedded in the fixing rod 7 and the butt joint block 10, the illuminating lamp 14 is electrically connected with the storage battery 15 through the electric wires, and the storage battery 15 is electrically connected with the button switch 5 through the electric wires;

specifically, when carrying out the dismantlement or the screwing up of screw, press button switch 5, carry out the circular telegram to illumination lamp 14 through battery 15 after button switch 5 is closed, illumination lamp 14 lights to be convenient for the rifle body 1 carries out the dismantlement or the screwing up of screw in the dim place of light, reduce misoperation, guaranteed the convenience when operating.

The upper end and the lower end of the fixed rod 7 are fixedly connected with positioning blocks 16, the upper end and the lower end of the round block 4 are in threaded connection with locking screws 21, the left end of the illuminating lamp 14 is provided with a butt joint block 10, the left end of the butt joint block 10 is fixedly connected with a clamping sleeve 8, a plurality of through holes 17 are formed in the clamping sleeve 8, wrench accessories 9 are rotatably connected in the through holes 17, the left end of each wrench accessory 9 is provided with a first butt joint groove 12, the middle end of the inner part of the clamping sleeve 8 is provided with a slot 18, the upper end and the lower end of the slot 18 are fixedly connected with positioning concave rails 20, the fixed rod 7 is inserted into the slot 18, the positioning blocks 16 are in butt joint with the positioning concave rails 20, the periphery of the clamping sleeve 8 is provided with a plurality of through

grooves

11 and 2, the butt joint block 10 is in butt joint with a second butt joint groove 19, the locking screws 21 are in threaded connection with the butt joint block 10, the left end of the push rod 6 penetrates through the butt joint block 10, the left end of the push rod 6 extends into a through hole 17, the push rods 6 and the through holes 17 are uniformly distributed in an annular shape, the butt joint block 10 and the through hole 17 are rotatably connected with the push rod 6, the left end of the push rod 6 is rectangular, the first butt joint groove 12 is rectangular, the left end of the push rod 6 is in butt joint with the first butt joint groove 12, a magnetic sheet is connected with the first butt joint groove 12, and the push rod 6 is composed of iron adsorbed with the magnetic sheet;

furthermore, when the wrench accessories 9 are used for disassembling or screwing the screws, according to the specification of the observed screws, the wrench accessories 9 with corresponding specification are selected, the corresponding pneumatic telescopic rod 11 is extended to drive the push rod 6 to move leftwards, the push rod 6 moves leftwards to push the wrench accessories 9, so that the left end of the push rod 6 is inserted into the corresponding first butt groove 12, the push rod 6 moves leftwards continuously to eject the wrench accessories 9 out of the through hole 17, then the corresponding screws are aligned through the wrench accessories 9, the small electric rotating motor 2 is started, the small electric rotating motor 2 drives the rotating shaft 13 to rotate, the rotating shaft 13 rotates through the pneumatic telescopic rod 11 and the push rod 6, and the wrench accessories 9 are driven by the push rod to rotate together due to the fact that the first butt groove 12 and the left end of the push rod are rectangular, and finally the effect of disassembling or screwing the screws is achieved, the plurality of wrench accessories 9 are arranged, so that screws with different specifications can be conveniently disassembled or screwed by selecting different wrench accessories 9, the practicability and the application range of the gun body 1 are ensured, after the wrench accessories 9 are used, the push rod 6 is moved rightwards, and the push rod 6 consists of iron and can be adsorbed with a magnetic sheet in the butt joint groove, so that the wrench accessories 9 can be automatically contracted into the through hole 17, and the replacement and use of the wrench accessories 9 with different specifications are facilitated;

further, when all wrench accessories 9 in the cutting ferrule 8 can not correspond to the screws, the cutting ferrule 8 with wrench accessories 9 of other specifications needs to be replaced, the locking screw 21 is loosened, the butt joint block 10 is moved out of the second butt joint groove 19, other cutting ferrules 8 are butt-jointed into the second butt joint groove 19 through the butt joint block 10, the fixing rod 7 penetrates through the slot 18 at the moment, the positioning block 16 is butt-jointed into the positioning concave rail 20, the accurate butt joint position of the butt joint block 10 and the second butt joint groove 19 can be quickly found through the limiting of the positioning block 16 and the positioning concave rail 20, the locking screw 21 and the butt joint block 10 can be quickly fixed in a threaded mode, and the stability of the cutting ferrule 8 after installation is guaranteed.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An electric wrench for mechanical maintenance, comprising a gun body (1), characterized in that:

the left end inside the gun body (1) is fixedly connected with a plurality of small electric rotating motors (2), the left ends of the small electric rotating motors (2) are fixedly connected with rotating shafts (13), the left ends of the rotating shafts (13) penetrate through the gun body (1), the rotating shafts (13) are rotatably connected with the gun body (1), the left ends of the rotating shafts (13) are fixedly connected with air compression telescopic rods (11), the middle part of the left end of the gun body (1) is fixedly connected with a fixed shaft (3), the left end of the fixed shaft (3) is fixedly connected with a round block (4), the left end inside the round block (4) is provided with a second butt joint groove (19), the middle end of the second butt joint groove (19) is fixedly connected with a fixed rod (7), the periphery of the fixed rod (7) which is positioned at the inner side of the round block (4) is provided with a plurality of push rods (6), and the right ends of the push rods (6) are fixedly connected with the, the left end of the push rod (6) extends out of a second butt joint groove (19), the middle of the front end of the round block (4) is movably connected with a button switch (5), the left end inside the fixing rod (7) is inlaid with a storage battery (15), the left end of the fixing rod (7) is connected with a lighting lamp (14), the upper end and the lower end of the fixing rod (7) are fixedly connected with positioning blocks (16), the upper end and the lower end of the round block (4) are respectively in threaded connection with a locking screw rod (21), the left end of the lighting lamp (14) is provided with a butt joint block (10), the left end of the butt joint block (10) is fixedly connected with a clamping sleeve (8), a plurality of through holes (17) are formed inside the clamping sleeve (8), a wrench accessory (9) is rotatably connected inside the through holes (17), a first butt joint groove (12) is formed at the left end of the wrench accessory (9), and a slot (, and the upper end and the lower end of the slot (18) are fixedly connected with a positioning concave rail (20), the fixing rod (7) is inserted into the slot (18), and the positioning block (16) is butted in the positioning concave rail (20).

2. An electric wrench for mechanical maintenance, as claimed in claim 1, wherein: the butt joint block (10) is in butt joint in the second butt joint groove (19), and the locking screw rod (21) is in threaded connection with the butt joint block (10).

3. An electric wrench for mechanical maintenance, as claimed in claim 1, wherein: the specifications of each wrench attachment (9) are different.

4. An electric wrench for mechanical maintenance, as claimed in claim 1, wherein: push rod (6) left end runs through into butt joint piece (10), just push rod (6) left end extends into through-hole (17), a plurality of push rod (6) and a plurality of through-hole (17) all are annular evenly distributed, just butt joint piece (10) and through-hole (17) all rotate with push rod (6) and are connected.

5. An electric wrench for mechanical maintenance, according to claim 4, characterized in that: the left end of the push rod (6) is rectangular, the first butt joint groove (12) is rectangular, the left end of the push rod (6) is in butt joint with the inside of the first butt joint groove (12), a magnetic sheet is connected with the inside of the first butt joint groove (12), and the push rod (6) is composed of iron adsorbed with the magnetic sheet.

6. An electric wrench for mechanical maintenance, as claimed in claim 1, wherein: the electric wire is embedded in the fixing rod (7) and the butt joint block (10), the illuminating lamp (14) is electrically connected with the storage battery (15) through the electric wire, and the storage battery (15) is electrically connected with the button switch (5) through the electric wire.