Hand-pressing type socket wrench
Technical Field
The invention relates to the technical field of wrenches, in particular to a hand-pressing type socket wrench.
Background
Compared with an ordinary wrench, the ratchet wrench on the market is not required to be unscrewed or screwed when a bolt or a nut is unscrewed or screwed, the wrench is not required to be unscrewed by half a turn and then sleeved and screwed, a lot of convenience is provided, but in some narrow spaces for extending the wrench, the wrench is not provided with enough spaces on two sides to rotate the wrench by a small angle, even if the ratchet wrench is used, the wrench is inconvenient, and at the moment, the wrench is not required to be rotated integrally to unscrew or screw the bolt or the nut.
Disclosure of Invention
The present invention is directed to a hand-operated socket wrench to overcome the above-mentioned disadvantages of the prior art.
A hand-press socket wrench comprises a shell, a first rotating shaft, a cover body, a hand-press driving mechanism, a socket driving mechanism and a steering conversion mechanism;
two ends of the first rotating shaft are respectively inserted into the shaft holes at the front end and the rear end of the shell in a sliding mode, and the cover body is fixed to the top of the shell;
the hand pressing driving mechanism is arranged at the rear end of the shell and is used for driving the sleeve driving mechanism to rotate in a hand pressing mode;
the two sleeve driving mechanisms are arranged and are respectively positioned at the front end and the rear end of the first rotating shaft, and the sleeve driving mechanisms are used for driving the sleeves to rotate;
the steering conversion mechanism is arranged in the middle of the first rotating shaft and used for changing the rotating direction of the sleeve.
Preferably, the hand-press driving mechanism comprises a first gear, a speed change gear, a hand-press handle, an arc-shaped rack, a second gear, a rotating disk and a commutator bar, the first gear and the speed change gear are coaxially arranged on a second rotating shaft, the speed change gear is positioned above the first gear, the second rotating shaft is rotatably connected with the shell, the front end of the inner side of the hand-press handle is rotatably connected with a third rotating shaft, the third rotating shaft is fixedly connected with the shell, a torsion spring is sleeved on the third rotating shaft, one end of the torsion spring is connected with the hand-press handle, the other end of the torsion spring is connected with the shell, the arc-shaped rack is fixed at the rear end of the inner side of the hand-press handle, the arc-shaped rack is meshed with the first gear, the second gear is rotatably connected with the shell through a fourth rotating shaft, the second gear is meshed with the speed change gear, and the rotating disk, the inner side of the rotating disk is circumferentially provided with a plurality of tooth grooves, the commutator bar is fixed on the fourth rotating shaft and is positioned between the rotating disk and the second gear, two ends of the commutator bar are respectively provided with a tooth piece, and the end part of the tooth piece is abutted to the tooth grooves.
Preferably, the sleeve driving mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear located at the rear end of the rotating shaft is fixed on the rotating disk, the second bevel gear is provided with two second bevel gears which are respectively fixed on the first rotating shaft and symmetrically arranged on two sides of the first bevel gear, the first bevel gear located on the front side of the first rotating shaft is rotatably connected with the shell through a fifth rotating shaft, a sleeve mounting block is fixed at one end of the fifth rotating shaft, which extends out, and the outer wall of the sleeve mounting block is magnetic.
Preferably, the steering conversion mechanism comprises a connecting rod, a positioning rod, a support rod, a fixed plate, balls and rotating discs, the rotating discs are provided with two rotating discs and fixed on the first rotating shaft, annular grooves are formed in opposite sides of the two rotating discs, the support rod is located between the two rotating discs, the balls are arranged at two ends of the support rod, the connecting rod is vertically fixed in the middle of the support rod, a strip-shaped hole for the connecting rod to stretch out is formed in the top of the cover body, the fixing plate is fixed at the top of the connecting rod, the positioning rod is inserted into two ends of the fixed plate in a sliding mode, and two positioning grooves matched with the positioning rod are formed in the top of the cover body.
The invention has the following advantages:
1. according to the invention, the sleeve on the sleeve mounting block is driven to rotate by the hand-press driving mechanism, the whole wrench does not need to be rotated by hands when the bolt or the nut is unscrewed or screwed, and the bolt or the nut can be unscrewed or screwed even if the wrench does not have enough space on two sides to rotate the wrench at a small angle.
2. The invention can only engage one of the second bevel gears at the two sides of the first bevel gear at the same time through the steering conversion mechanism, thereby changing the rotating direction of the sleeve to unscrew or tighten the bolt or the nut, the whole rotating direction changing process is simple and convenient, when the rotating direction of the sleeve is changed, only the positioning rod needs to be lifted from the positioning groove, the fixing plate is moved, the resisting rod also moves along with the fixing plate, the balls at the two ends of the resisting rod push the rotating disc to move, the rotating shaft moves along with the rotating shaft, thereby the first bevel gear is engaged with one of the second bevel gears at the two sides of the first bevel gear, and finally the positioning rod is inserted into the other positioning groove.
Drawings
Fig. 1 and 2 are overall three-dimensional structural diagrams of the present invention.
Fig. 3 is a partial enlarged view of the invention at a in fig. 1.
Fig. 4 and 5 are schematic views of the inside of the housing of the present invention.
Fig. 6 is a partial enlarged view of the invention at B in fig. 5.
Fig. 7 is a cross-sectional view of the bottom of the housing of the present invention.
Wherein: 1. the hand-press type manual-pressing hand-pressing device comprises a shell, 2, first rotating shafts, 3, a cover body, 31, a strip-shaped hole, 32, a positioning groove, 4, a hand-pressing driving mechanism, 41, a first gear, 42, a speed-changing gear, 421, a second rotating shaft, 43, a hand-pressing handle, 431, a third rotating shaft, 432, a torsion spring, 44, an arc-shaped rack, 45, a second gear, 451, a fourth rotating shaft, 46, a rotating disc, 461, a tooth groove, 47, a reversing sheet, 471, a tooth sheet, 5, a sleeve driving mechanism, 51, a first bevel gear, 52, a second bevel gear, 53, a fifth rotating shaft, 54, a sleeve mounting block, 6, a steering conversion mechanism, 61, a rotating disc, 611, an annular groove, 62, a resisting rod, 63.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
As shown in fig. 1-7, the present invention provides a hand-pressed socket wrench, which comprises a housing 1, a first rotating shaft 2, a cover 3, a hand-pressed driving mechanism 4, a socket driving mechanism 5 and a steering conversion mechanism 6;
two ends of the first rotating shaft 2 are respectively inserted into shaft holes at the front end and the rear end of the shell 1 in a sliding mode, and the cover body 3 is fixed to the top of the shell 1;
the hand pressing driving mechanism 4 is arranged at the rear end of the shell 1 and is used for driving the sleeve driving mechanism 5 to rotate in a hand pressing mode;
the two sleeve driving mechanisms 5 are arranged and are respectively positioned at the front end and the rear end of the first rotating shaft 2, and the sleeve driving mechanisms 5 are used for driving the sleeves to rotate;
the steering changing mechanism 6 is arranged in the middle of the rotating shaft I2 and used for changing the rotating direction of the sleeve.
In this embodiment, the hand press driving mechanism 4 includes a first gear 41, a speed change gear 42, a hand press handle 43, an arc-shaped rack 44, a second gear 45, a rotating disk 46 and a reversing piece 47, the first gear 41 and the speed change gear 42 are coaxially disposed on a second rotating shaft 421, the speed change gear 42 is located above the first gear 41, the second rotating shaft 421 is rotatably connected with the housing 1, a front end of an inner side of the hand press handle 43 is rotatably connected with a third rotating shaft 431, the third rotating shaft 431 is fixedly connected with the housing 1, the third rotating shaft 431 is sleeved with a torsion spring 432, one end of the torsion spring 432 is connected with the hand press handle 43, the other end of the torsion spring 432 is connected with the housing 1, a rear end of the inner side of the hand press handle 43 is fixed with the arc-shaped rack 44, the arc-shaped rack 44 is engaged with the first gear 41, the second gear 45 is rotatably connected with the housing 1 through a fourth rotating shaft 451, the second gear 45 is engaged, the rotating disc 46 is rotatably connected to the fourth rotating shaft 451 and located above the second gear 45, a plurality of tooth grooves 461 are formed in the inner side of the rotating disc 46 along the circumference, the commutator bar 47 is fixed to the fourth rotating shaft 451 and located between the rotating disc 46 and the second gear 45, tooth bars 471 are respectively arranged at two ends of the commutator bar 47, and end portions of the tooth bars 471 are abutted to the tooth grooves 461.
In this embodiment, the sleeve driving mechanism 5 includes a first bevel gear 51 and a second bevel gear 52, the first bevel gear 51 located at the rear end of the first rotating shaft 2 is fixed on the rotating disk 46, the second bevel gears 52 are two and are respectively fixed on the first rotating shaft 2 and symmetrically arranged at two sides of the first bevel gear 51, the first bevel gear 51 located at the front side of the first rotating shaft 2 is rotatably connected with the housing 1 through a fifth rotating shaft 53, a sleeve mounting block 54 is fixed at one end of the fifth rotating shaft 53 extending out, and an outer wall of the sleeve mounting block 54 has magnetism.
In this embodiment, the steering conversion mechanism 6 includes two connecting rods 64, two positioning rods 66, two abutting rods 62, a fixing plate 65, balls 63 and two rotating disks 61, the two rotating disks 61 are fixed on the first rotating shaft 2, two opposite sides of the two rotating disks 61 are provided with annular grooves 611, the abutting rods 62 are located between the two rotating disks 61, the balls 63 are arranged at two ends of the abutting rods 62, the connecting rods 64 are perpendicularly fixed in the middle of the abutting rods 62, the top of the cover body 3 is provided with strip-shaped holes 31 through which the connecting rods 64 extend, the fixing plate 65 is fixed at the top of the connecting rods 64, the positioning rods 66 are inserted into two ends of the fixing plate 65 in a sliding manner, and the top of the cover body 3 is provided with two positioning grooves 32 respectively matched with the positioning rods 66.
The specific implementation mode and principle are as follows:
in practical application, a sleeve to be used is installed on the sleeve installation block 54, when the rotation direction of the sleeve needs to be changed, the positioning rod 66 is taken out from the positioning groove 32 on the cover body 3, the fixing plate 65 is moved, the abutting rod 62 moves along with the movement, the ball 63 on the abutting rod 62 pushes the rotating disc 61 to move, so that the rotating shaft I2 also moves along with the shaft hole of the shell body 1, the second bevel gear 52 on the rotating shaft I2, which is originally meshed with the first bevel gear 51, is separated, the second bevel gear 52 on the other side of the first bevel gear 51 is meshed with the first bevel gear 51, the positioning rod 66 is inserted into the other positioning groove 32 on the cover body 3, the sleeve is sleeved on a bolt or nut to be loosened or tightened, then the hand handle 43 is pressed by hand, the arc-shaped rack 44 fixed on the hand handle 42 drives the reversing piece 47 to rotate through gear transmission, the tooth piece 471 on the reversing piece 47 drives the rotating disc 46 to rotate, the first bevel gear 51 fixed on the rotating disc 46 drives the first bevel gear 51 fixed with the rotating disc to rotate, the first bevel gear 51 drives the rotating shaft five 53 to rotate through gear transmission, the sleeve mounting block 54 on the rotating shaft five 53 drives the sleeve to rotate, so that the bolt or the nut is loosened or screwed, when the hand handle 43 is pressed to be stationary, the hand handle 43 is loosened, the hand handle 43 is reset under the action of the torsion spring 432, the tooth 471 on the commutator bar 47 does not drive the rotating disc 46 to rotate reversely in the resetting process, and then the hand handle 43 is continuously pressed by hand until the bolt or the nut is completely loosened or screwed.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.