CN217515215U

CN217515215U - Input shaft of automobile steering device

Info

Publication number: CN217515215U
Application number: CN202221233102.4U
Authority: CN
Inventors: 赵华伦; 封如兵; 穆雷
Original assignee: Anhui Rem Industrial System Co ltd
Current assignee: Anhui Rem Industrial System Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-30
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the technical field of auto parts, and an auto steering ware input shaft is disclosed, including fixed axle and connecting axle, the connecting axle sets up in the upside of fixed axle, the fixed drive gear that has cup jointed of downside of fixed axle, be provided with the connecting block between fixed axle and the connecting axle, the slot has all been seted up at the both ends of connecting block, the one end of fixed axle and connecting axle all pegs graft with the slot that corresponds, first cavity, two have all been seted up to the both sides of connecting block the inside of first cavity all slides and is provided with the slide, the inside both ends of first cavity are all fixed and are provided with the dead lever, the rod wall activity of dead lever has cup jointed first spring, the inner wall fixed connection of one side of slot and first cavity is kept away from respectively with the slide that corresponds in the both ends of first spring. The utility model discloses can carry out quick convenient dismantlement to the axis body and the connecting piece of steering gear output shaft, conveniently change, and need not to use dedicated instrument, convenient operation.

Description

Input shaft of automobile steering device

Technical Field

The utility model relates to an auto parts technical field especially relates to an auto steering ware input shaft.

Background

Driven by the industrial revolution, the level of human mechanization is higher and higher, and shaft parts, which are mechanical parts that support and rotate with rotating parts to transfer motion, torque or bending moment, are used more and more frequently.

Among them, the utility model with publication number CN206187091U discloses an input shaft of an automobile steering gear, the input shaft is a shaft body with a power output gear at the tail end, the power output gear is engaged with the power output end of the steering gear, the shaft body comprises a split type connecting shaft and a fixing shaft, one end of the fixing shaft is fixedly connected with the power output gear and is of an integral structure, the other end of the fixing shaft is fixedly connected with one end of the connecting shaft by a connecting piece, the connecting piece is a hoop for adjusting tightness by means of bolt connection, the surface of the connecting shaft is subjected to rust-proof treatment, the utility model sets the whole shaft body as a connected split structure, the part connected with the power output gear is made of materials with higher cost, and the part not connected with the power output gear is made of low-cost materials and subjected to rust-proof treatment on the surface, so that the gear has the effects of low manufacturing cost and long service life.

In view of the above-mentioned technology, the inventor believes that, since the connecting member is fixed by the bolt, it is troublesome to detach the shaft body by loosening the connecting member and also to use a tool such as a wrench, and thus an improvement is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art connecting piece of auto steering ware input shaft and passing through the bolt fastening, will loosen the connecting piece and still need use instruments such as spanner with the axis body split, it is comparatively troublesome, consequently need make modified problem, and the auto steering ware input shaft that provides.

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

an input shaft of an automobile steering device comprises a fixed shaft and a connecting shaft, wherein the connecting shaft is arranged on the upper side of the fixed shaft, a transmission gear is fixedly sleeved on the lower side of the fixed shaft, a connecting block is arranged between the fixed shaft and the connecting shaft, slots are respectively formed in two ends of the connecting block, one end of the fixed shaft and one end of the connecting shaft are respectively inserted into the corresponding slots, first cavities are respectively formed in two sides of the connecting block, sliding plates are respectively arranged in the two first cavities in a sliding manner, fixed rods are respectively fixedly arranged at two ends in the first cavities, first springs are movably sleeved on rod walls of the fixed rods, two ends of each first spring are respectively fixedly connected with one side of the corresponding sliding plate, away from the slots, and the inner wall of the first cavity, clamping blocks are fixedly arranged at two ends of the inner side of each sliding plate, and clamping grooves are respectively formed in two side walls of the fixed shaft and the connecting shaft, it is a plurality of the one end of fixture block all extends to the inside of the slot that corresponds and with the draw-in groove joint that corresponds, two logical groove has been seted up between the first cavity, the inside that leads to the groove is provided with the first drive mechanism who drives two riser removals.

Preferably, first drive mechanism includes first gear and first rack, the middle part that leads to the groove is rotated and is provided with the bull stick, the fixed cover of first gear is connected in the pole wall of bull stick, two first rack meshes respectively and sets up in the both sides of first gear, two the one end of first rack respectively with corresponding slide fixed connection, the second cavity has been seted up to the front side inside of connecting block, the inside of second cavity is provided with drives bull stick pivoted second drive mechanism.

Preferably, the second drive mechanism includes second gear and second rack, the front end of bull stick extends to the inside of second cavity, the second gear sets up in the inside of second cavity and fixedly cup joints with the front end of bull stick, the meshing of second rack sets up in one side of second gear, the fixed pipe that is provided with in one side of second cavity, the inside of fixed pipe slides and is provided with the dog, the one end of second rack extend to the inside of fixed pipe and with dog fixed connection, fixedly connected with second spring between one side that the second rack was kept away from to the dog and the inner wall of fixed pipe.

Preferably, an iron plate is fixedly connected to one end, far away from the fixed pipe, of the second rack.

Preferably, a magnet is fixedly arranged on one side, away from the fixed pipe, of the second cavity, and the magnet is magnetically connected with the iron plate.

Preferably, the longitudinal sections of the stop block and the fixed tube are both square.

Preferably, two the tank bottom of slot is all fixed and is provided with the locating piece, the constant head tank has all been seted up to the inboard one end of dead lever and connecting rod, both sides the locating piece all pegs graft with the constant head tank that corresponds.

Compared with the prior art, the utility model provides a steering gear input shaft possesses following beneficial effect:

this auto steering ware input shaft, through pressing down iron plate, make the second rack drive second gear revolve, drive the bull stick promptly and rotate, the bull stick drives first gear revolve, it removes to drive both sides second rack promptly, both sides second rack moves two slides, it leaves from the draw-in groove that corresponds to drive two fixture blocks promptly, it separates connecting axle and fixed axle and connecting block promptly conveniently, can carry out quick convenient dismantlement to the axis body of steering ware output shaft and connecting piece promptly, conveniently change, and need not to use dedicated instrument, and convenient operation.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out quick convenient dismantlement to the axis body of steering gear output shaft and connecting piece, conveniently change, and need not to use dedicated instrument, convenient operation.

Drawings

Fig. 1 is a schematic structural view of an input shaft of an automobile steering gear provided by the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion A in FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 1;

fig. 5 is a perspective view of a coupling structure of the fixing shaft, the coupling neutralizing connection block in fig. 1.

In the figure: the device comprises a fixing shaft 1, a connecting shaft 2, a connecting block 3, a transmission gear 4, a sliding plate 5, a fixing rod 6, a first spring 7, a clamping block 8, a rotating rod 9, a first gear 10, a first rack 11, a second gear 12, a second rack 13, a fixing pipe 14, a stop block 15, a second spring 16, an iron plate 17, a magnet 18 and a positioning block 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-3, an input shaft of an automobile steering device comprises a fixed shaft 1 and a connecting shaft 2, wherein the connecting shaft 2 is arranged on the upper side of the fixed shaft 1, a transmission gear 4 is fixedly sleeved on the lower side of the fixed shaft 1, a connecting block 3 is arranged between the fixed shaft 1 and the connecting shaft 2, slots are formed in two ends of the connecting block 3, and one ends of the fixed shaft 1 and the connecting shaft 2 are inserted into the corresponding slots.

Referring to fig. 2-5, first cavities are respectively formed in two sides of the connecting block 3, sliding plates 5 are respectively arranged in the two first cavities in a sliding manner, fixing rods 6 are respectively fixedly arranged at two ends of the inside of each first cavity, first springs 7 are movably sleeved on rod walls of the fixing rods 6, two ends of each first spring 7 are respectively fixedly connected with one side of each corresponding sliding plate 5 away from a slot and the inner wall of each first cavity, clamping blocks 8 are respectively fixedly arranged at two ends of the inner side of each sliding plate 5, clamping grooves are respectively formed in two side walls of the fixing shaft 1 and the connecting shaft 2, one ends of the clamping blocks 8 respectively extend into the corresponding clamping grooves and are clamped with the corresponding clamping grooves, through grooves are formed between the two first cavities, and first transmission mechanisms for driving the two vertical plates to move are arranged in the through grooves.

Referring to fig. 3, the first transmission mechanism includes a first gear 10 and a first rack 11, the middle portion of the through groove is rotatably provided with a rotating rod 9, the first gear 10 is fixedly sleeved on the rod wall of the rotating rod 9, the two first racks 11 are respectively engaged with two sides of the first gear 10, and one ends of the two first racks 11 are respectively fixedly connected with the corresponding sliding plates 5.

Example two

Referring to fig. 4, a second cavity is formed inside the front side of the connecting block 3, a second transmission mechanism for driving the rotating rod 9 to rotate is arranged inside the second cavity, the second transmission mechanism includes a second gear 12 and a second rack 13, the front end of the rotating rod 9 extends into the second cavity, the second gear 12 is arranged inside the second cavity and is fixedly sleeved with the front end of the rotating rod 9, the second rack 13 is engaged with one side of the second gear 12, a fixed pipe 14 is fixedly arranged on one side of the second cavity, a stopper 15 is slidably arranged inside the fixed pipe 14, one end of the second rack 13 extends into the fixed pipe 14 and is fixedly connected with the stopper 15, a second spring 16 is fixedly connected between one side of the stopper 15 far away from the second rack 13 and the inner wall of the fixed pipe 14, an iron plate 17 is fixedly connected to one end of the second rack 13 far away from the fixed pipe 14, and the second rack 13 is conveniently pushed, the fixed magnet 18 that is provided with in one side that fixed pipe 14 was kept away from to the second cavity, magnet 18 is connected with iron plate 17 magnetism, conveniently carries on spacingly to iron plate 17, and the longitudinal section of dog 15 and fixed pipe 14 is square for dog 15 can't rotate, and drive second rack 13 that can be stable promptly slides.

EXAMPLE III

Referring to fig. 3, on the basis of the first embodiment, the groove bottoms of the two slots are both fixedly provided with the positioning blocks 19, the positioning grooves are both formed in the inner sides of the fixed shaft 1 and the connecting shaft 2, the positioning blocks 19 on the two sides are both inserted into the corresponding positioning grooves, and the fixed shaft 1 and the connecting shaft 2 are conveniently positioned.

The utility model discloses in, during the use, press iron plate 17, make second rack 13 drive second gear 12 and rotate, it rotates to drive bull stick 9 promptly, bull stick 9 drives first gear 10 and rotates, it removes to drive both sides second rack 13 promptly, both sides second rack 13 drives two slides 5 and slides, it leaves from the draw-in groove that corresponds to drive two fixture blocks 8 promptly, it separates connecting axle 2 and fixed axle 1 and connecting block 3 promptly to make things convenient for promptly, can carry out quick convenient dismantlement to the axis body of steering gear output shaft and connecting piece promptly, conveniently change, and need not to use dedicated instrument, and convenient for operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An input shaft of an automobile steering device comprises a fixed shaft (1) and a connecting shaft (2), and is characterized in that the connecting shaft (2) is arranged on the upper side of the fixed shaft (1), a transmission gear (4) is fixedly sleeved on the lower side of the fixed shaft (1), a connecting block (3) is arranged between the fixed shaft (1) and the connecting shaft (2), slots are respectively arranged at two ends of the connecting block (3), one end of each of the fixed shaft (1) and the connecting shaft (2) is inserted into the corresponding slot, first cavities are respectively arranged at two sides of the connecting block (3), sliding plates (5) are respectively arranged in the two first cavities in a sliding manner, fixed rods (6) are respectively fixedly arranged at two ends of the first cavities, first springs (7) are movably sleeved on rod walls of the fixed rods (6), two ends of the first springs (7) are respectively fixedly connected with one sides, far away from the slots, corresponding sliding plates (5), of the inner walls of the first cavities, slide (5) inboard both ends are all fixed and are provided with fixture block (8), the draw-in groove has all been seted up to the both sides wall of fixed axle (1) and connecting axle (2), and is a plurality of the one end of fixture block (8) all extends to the inside of the draw-in groove that corresponds and with the draw-in groove joint that corresponds, two logical groove has been seted up between the first cavity, the inside that leads to the groove is provided with the first drive mechanism who drives two riser removals.

2. The input shaft of the automobile steering gear according to claim 1, wherein the first transmission mechanism comprises a first gear (10) and a first rack (11), a rotating rod (9) is rotatably arranged in the middle of the through groove, the first gear (10) is fixedly sleeved on the rod wall of the rotating rod (9), the two first racks (11) are respectively meshed with two sides of the first gear (10), one ends of the two first racks (11) are respectively fixedly connected with corresponding sliding plates (5), a second cavity is formed in the front side of the connecting block (3), and a second transmission mechanism for driving the rotating rod (9) to rotate is arranged in the second cavity.

3. The motor vehicle steering gear input shaft according to claim 2, characterized in that the second transmission mechanism comprises a second gearwheel (12) and a second rack (13), the front end of the rotating rod (9) extends into the second cavity, the second gear (12) is arranged in the second cavity and is fixedly sleeved with the front end of the rotating rod (9), the second rack (13) is engaged with one side of the second gear (12), one side of the second cavity is fixedly provided with a fixed pipe (14), a stop block (15) is arranged inside the fixed pipe (14) in a sliding manner, one end of the second rack (13) extends into the fixed pipe (14) and is fixedly connected with the stop block (15), and a second spring (16) is fixedly connected between one side of the stop block (15) far away from the second rack (13) and the inner wall of the fixed pipe (14).

4. The input shaft of a steering gear for a motor vehicle according to claim 3, wherein an iron plate (17) is fixedly connected to an end of the second rack (13) remote from the stationary tube (14).

5. The input shaft of the automobile steering gear according to claim 4, characterized in that a magnet (18) is fixedly arranged on the side of the second cavity far away from the fixed pipe (14), and the magnet (18) is magnetically connected with the iron plate (17).

6. The input shaft of a steering gear for a motor vehicle according to claim 3, wherein the stopper (15) and the fixing tube (14) are both square in longitudinal section.

7. The input shaft of the automobile steering gear according to claim 1, wherein a positioning block (19) is fixedly arranged at the bottom of each of the two slots, positioning grooves are formed at the inner side ends of the fixed shaft (1) and the connecting shaft (2), and the positioning blocks (19) at the two sides are inserted into the corresponding positioning grooves.