CN216915996U - Angle-adjustable steering gear box assembly - Google Patents

Abstract

A steering gear assembly with an adjustable angle comprises a steering gear main body, wherein the steering gear main body comprises a shell and a steering column, the shell surrounds the periphery of the steering column, the shell comprises a first shell component, a second shell component and a third shell component from top to bottom, each shell component consists of a left shell and a right shell, the right shell and the left shell of the second shell component rotate 180 degrees relative to the axis of the steering column and are the same, and the right shell and the left shell of the third shell component rotate 180 degrees relative to the axis and are the same; the first shell component is provided with a plurality of assembling ports, and the second shell component is clamped on the first shell component; the middle part of the steering column is provided with a hinged shaft, and the upper section and the lower section of the steering column are mutually hinged through the hinged shaft; the first and second housing components are fixed to an upper section of the steering column, the third housing component is fixed to a lower section of the steering column, and the second housing component is rotated relative to the third housing component using the hinge shaft as a rotation fulcrum, so that the angle of the steering gear assembly can be adjusted.

Description

Angle-adjustable steering gear box assembly

Technical Field

The utility model relates to the field of engineering vehicles, in particular to an angle-adjustable steering gear box assembly.

Background

The steering gear assembly in the cab of the existing vehicle comprises a steering gear main body, wherein the steering gear main body comprises a steering column, a shell, a steering wheel, a combined switch, a starting lock, a rocker switch component and a locking handle, the shell surrounds the periphery of the steering column, and the combined switch is used for controlling the starting/closing of a light and a windshield wiper; the rocker switch assembly comprises a plurality of rocker switches which are arranged on the steering gear main body in an array, and each rocker switch corresponds to one function of the vehicle; the locking handle is used for locking the steering gear box assembly after adjusting the angle of the steering gear box body. The shell comprises a first shell component, a second shell component and a third shell component from top to bottom, each shell component consists of a left shell and a right shell, and the left shell and the right shell are fixed on a steering column. Because the structures of the left shell and the right shell of each shell component are inconsistent, two sets of dies need to be opened, the die cost is high, and the manufacturing cost of enterprises is greatly improved. In addition, first casing subassembly and second casing subassembly are connected through corrugated sleeve pipe usually between, and this corrugated sleeve pipe is made by rubber material, and after using for a period, corrugated sleeve pipe can be ageing, appears fracture, sclerosis etc. easily, consequently needs artifical periodic replacement, causes the wasting of resources.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

Disclosure of Invention

The utility model aims to provide an angle-adjustable steering gear assembly which is simple in structure and low in manufacturing cost.

In order to achieve the purpose, the steering gear assembly with the adjustable angle comprises a steering gear main body, wherein the steering gear main body comprises a shell, a steering column and a steering wheel, the shell surrounds the periphery of the steering column, and the steering wheel is arranged at the top end of the steering column; the shell comprises a first shell assembly, a second shell assembly and a third shell assembly from top to bottom, each shell assembly consists of two shells, the two shells are fixed on the steering column, the rear shell and the front shell of the second shell assembly rotate 180 degrees relative to the axis of the steering column, and the right shell and the left shell of the third shell assembly rotate 180 degrees relative to the axis; the first shell assembly is provided with a plurality of assembling ports, and the second shell assembly is clamped on the first shell assembly; the middle part of the steering column is provided with a hinged shaft, and the upper section and the lower section of the steering column are mutually hinged through the hinged shaft; the first and second housing components are fixed to the upper section of the steering column, and the third housing component is fixed to the lower section of the steering column, so that the second housing component rotates relative to the third housing component with the hinge shaft as a rotation fulcrum, and the angle of the steering gear assembly can be adjusted.

By adopting the design, the rear shell and the front shell of the second shell assembly rotate 180 degrees relative to the axis L of the steering column, and the right shell and the left shell of the third shell assembly rotate 180 degrees relative to the axis L, so that only one set of die is needed for manufacturing the second shell assembly and the third shell assembly, and the manufacturing cost of an enterprise is greatly reduced; meanwhile, the corrugated sleeves are not arranged among the shell components, and are made of rubber materials, so that the corrugated sleeves are aged after being used for a period of time, are easy to break, harden and the like, and need to be replaced periodically by manpower, so that resource waste is caused, and the technical problem is well solved. In addition, the steering gear assembly of the utility model has adjustable angle so as to adapt to the driving of drivers with different heights and body types.

Drawings

The detailed description, given as a non-limiting example, better explains what the utility model includes and can be implemented, and moreover, refers to the accompanying drawings, in which:

FIG. 1 is a block diagram of a steering gear assembly according to a first embodiment of the present invention;

FIG. 2 is a block diagram of a steering gear box assembly with a function switch removed according to a first embodiment of the present invention;

FIG. 3 is an exploded view of the steering gear box assembly with the functional switch removed according to the first embodiment of the present invention;

FIG. 4 is a block diagram of a steering gear assembly according to a second embodiment of the present invention;

FIG. 5 is a structural diagram of a steering gear box assembly with a function switch removed according to a second embodiment of the present invention;

FIG. 6 is an exploded view of a steering gear box assembly with a function switch removed according to a second embodiment of the present invention;

fig. 7 and 8 are structural views of a steering gear box according to the first and second embodiments of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific 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, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; meanwhile, in the claims and in the specification, the "front" and "rear" directions of the steering gear body or the housing correspond to the distance between the above-described member and the driver, the "front" is the side close to the driver, and the "rear" is the side far from the driver.

Furthermore, in the claims and specification, unless otherwise specified, the terms "first," "second," and the like are used for distinguishing between different objects and not necessarily for describing a particular order.

The first embodiment is as follows:

referring to fig. 1 to 3, the steering gear assembly with adjustable angle comprises a fixed base 9 and a steering gear main body 100a, wherein the fixed base 9 is fixed on a vehicle frame, and the steering gear main body 100a is fixed on the fixed base 9. The steering gear main part 100 includes casing 1a, steering column 2, steering wheel 3, combination switch 5, rocker switch subassembly 6 and start lock 7, casing 1a surrounds steering column 2 all around, steering wheel 3 is fixed in the top of steering column 2, and the outside of casing 1a is all located to combination switch 5, rocker switch subassembly 6 and start lock 7, combination switch 5 is used for controlling the opening/closing of light and windshield wiper, and rocker switch subassembly 6 includes a plurality of rocker switches, and these some rocker switches are array arrangement on steering gear main part 100a, and every rocker switch corresponds a function of vehicle, for example the opening and closing of control door, the opening and closing of control driver's cabin air conditioner etc. and rocker switch subassembly 6 is located the position that casing 1a rear side leaned on, is convenient for driver's operation like this. Of course, if the steering wheel main body 100a is added with the electric appliance function, a plurality of rocker switches may be provided on the right side of the steering wheel main body 100 a. Wherein, the steering wheel 3, the starting lock 7 and the rocker switch assembly 6 are all the prior art. It should be noted that the steering gear assembly not only has the common functions of direction control, light control, wiper control and the like, but also is provided with a corresponding small electrical module, a fuse box 8, a USB charging port and the like, and can be deleted according to the requirements of customers.

The housing 1a includes a first housing component 11, a second housing component 12a and a third housing component 13a from top to bottom, each of the housing components is composed of two housings, and the two housings are fixed on the steering column 2. The first housing assembly 11 is provided with assembling ports 111 corresponding to the above-mentioned switches, small electrical modules and fuse boxes 8 one to one, the rear housing and the front housing of the second housing assembly 12a rotate 180 degrees relative to the axis L of the steering column 2, and the right housing and the left housing of the third housing assembly 13a rotate 180 degrees relative to the axis L. The first housing component 11 is provided with an annular groove 112 at an end facing the second housing component 12a, and an opposite end of the second housing component 12a extends inward to form an annular step surface 123, and the annular step surface 123 is clamped in the annular groove 112, so that the second housing component 12a is clamped on the first housing component 11.

The steering column 2 is provided at a middle portion thereof with a hinge shaft 21, and an upper section 22 and a lower section 23 of the steering column 2 are hinged to each other through the hinge shaft 21. The first housing component 11 and the second housing component 12a are fixed on the upper section 22 of the steering column 2, the third housing component 13a is fixed on the lower section 23 of the steering column 2, and then the second housing component 12a rotates relative to the third housing component 13a by taking the hinge shaft 21 as a rotation fulcrum, so that the steering gear main body has an angle adjusting function to adapt to driving of drivers with different heights and sizes. The upper section 22 and the lower section 23 of the steering column 2 are respectively provided with an upper steering shaft and a lower steering shaft, the upper steering shaft and the lower steering shaft are connected through a universal joint in a transmission way, and the steering wheel 3 is fixed on the upper steering shaft.

The second housing component 12a and the third housing component 13a have a relief space 200 therebetween, and the relief space 200 prevents the second housing component 12a from interfering with the third housing component 13a when rotating. Preferably, a spherical engaging portion 131 is convexly disposed on the third housing component 13a in the offset space 200, the spherical engaging portion 131 prevents the steering column 2 and the electric wires inside the steering gear assembly from being exposed, so as to provide better aesthetic appearance, and at the same time, the second housing component 12a rotates along the spherical engaging portion 131 with the hinge shaft 21 as a rotation fulcrum and does not interfere therewith.

An angle adjusting device 24a is arranged at the hinged part of the upper section 22 and the lower section 23 of the steering column 2, and the steering machine assembly has an angle adjusting function within a certain range through the angle adjusting device 24a, wherein the angle range is 0-30 degrees.

As shown in fig. 1 to 3, the angle adjusting device 24a includes a first support 241, a second support 242, a screw 243 and an adjusting handle 244, the first support 241 is fixed to the upper section 22 of the steering column 2, the second support 242 is fixed to the lower section 23 of the steering column 2, the first support 241 and the second support 242 are hinged to each other through a hinge shaft 21, an arc-shaped hole 247 is formed in the second support 242, the screw 243 is inserted into the arc-shaped hole 247, the adjusting handle 244 is screwed to the outer end of the screw 243, a locking sleeve 245 is disposed between the second support 42 and the adjusting handle 244 on the outer side of the screw 243, a through hole 121 is formed in a position of the second housing component 12a corresponding to the adjusting handle 244, and the adjusting handle 244 is inserted into the through hole 121 and is located on the outer side of the second housing component 12 a.

When the front and back angles of the steering gear assembly need to be adjusted, the adjusting handle 244 is rotated to enable the locking sleeve 245 abutting against the second support 242 to be separated from the second support 242, so that the first support 241 and the second support 242 are loosened, and then the steering wheel 3 is pulled by hand to adjust the steering gear assembly to a position adaptive to the steering gear assembly; and reversely rotating the adjusting handle 244 to enable the locking sleeve 245 to abut against the second support 242 again, and applying extrusion force to the locking sleeve to enable the first support 241 and the second support 242 to be tightly attached until locking, so that the steering gear assembly is locked after the steering gear assembly is angularly adjusted.

Example two:

as shown in fig. 4 to 6, the position and assembly relationship among the components of the steering main body 100b of this embodiment are substantially the same as those of the steering main body 100a of the first embodiment, but the matching relationship between the second housing component 12b and the third housing component 13b of the housing 1b and some components of the angle adjusting device 24b are different from those of the first embodiment, specifically:

a small gap a is formed between the opposite end surfaces of the second housing component 12b and the third housing component 13b, and the first arc surface 122 and the second arc surface 132 are respectively formed at the two opposite end surfaces, and the two arc surfaces are concentrically arranged with the hinge shaft 21, so that the second housing component 12b does not interfere with the third housing component 13b during rotation, and the steering column 2 and the electric wire inside the steering gear assembly are prevented from being exposed during rotation, thereby having better design aesthetic feeling.

The angle adjusting device 24b comprises a first support 241, a second support 242, a screw 243 and a pedal adjusting switch 246, wherein the first support 241 is fixed on the upper section 22 of the steering column 2, the second support 242 is fixed on the lower section 23 of the steering column 2, the first support 241 and the second support 242 are hinged with each other through a hinge shaft 21, an arc-shaped hole 247 is formed in the first support 241, and the screw 243 is arranged in the arc-shaped hole 247 in a penetrating manner; the foot adjustment switch 246 is provided on the rear side of the steering main body 100b, and is connected to the lower stage 23 of the steering column 2 via the hydraulic mechanism 4.

In use, the steering wheel assembly can be adjusted to a position suitable for itself by lightly stepping on the foot adjustment switch 246 and then manually pulling the steering wheel 3. Preferably, the steering column further comprises a spring 10, wherein two ends of the spring 10 are respectively connected to the lower section 23 of the steering column 2 and the foot-operated adjustment switch 246, and the pre-tightening force generated by the spring 10 prevents the foot-operated adjustment switch 246 from shaking.

As shown in fig. 7 and 8, the upper ends of the steering main bodies 100a and 100b are provided with a panel 20, the panel 20 is provided with an assembly port 201, and the inside of the panel 20 is provided with meter modules including a voltmeter, a water thermometer, an air pressure meter, a chronograph meter, and the like.

By adopting the design, the rear shell and the front shell of the second shell assembly rotate 180 degrees relative to the axis L of the steering column 2, and the right shell and the left shell of the third shell assembly rotate 180 degrees relative to the axis L, so that only one set of die is needed for manufacturing the second shell assembly and the third shell assembly, and the manufacturing cost of an enterprise is greatly reduced; meanwhile, the corrugated sleeves are not arranged among the shell components, and are made of rubber materials, so that the corrugated sleeves are aged after being used for a period of time, are easy to break, harden and the like, and need to be replaced periodically by manpower, so that resource waste is caused, and the technical problem is well solved. In addition, the steering gear assembly of the utility model has adjustable angle so as to adapt to the driving of drivers with different heights and body types.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides a but angle regulation's steering gear assembly which characterized in that: the steering gear box comprises a steering gear box body, wherein the steering gear box body comprises a shell, a steering column and a steering wheel, the shell surrounds the periphery of the steering column, and the steering wheel is arranged at the top end of the steering column; the shell comprises a first shell assembly, a second shell assembly and a third shell assembly from top to bottom, each shell assembly consists of two shells, the two shells are fixed on the steering column, the rear shell and the front shell of the second shell assembly rotate 180 degrees relative to the axis of the steering column, and the right shell and the left shell of the third shell assembly rotate 180 degrees relative to the axis; the first shell assembly is provided with a plurality of assembling ports, and the second shell assembly is clamped on the first shell assembly; the middle part of the steering column is provided with a hinged shaft, and the upper section and the lower section of the steering column are mutually hinged through the hinged shaft; the first shell component and the second shell component are fixed on the upper section of the steering column, the third shell component is fixed on the lower section of the steering column, and then the second shell component rotates relative to the third shell component by taking the hinge shaft as a rotation fulcrum, so that the angle of the steering gear assembly can be adjusted.

2. The adjustable angle traversing mechanism assembly according to claim 1, wherein: and an abdicating space is arranged between the second shell assembly and the third shell assembly, and the abdicating space avoids the second shell assembly from interfering with the third shell assembly when rotating.

3. An adjustable angle steering gear assembly according to claim 2 wherein: a spherical matching part is convexly arranged in the yielding space on the third shell assembly and prevents a steering column and an electric wire in the steering gear assembly from being exposed; the second shell component rotates along the spherical matching part by taking the hinge shaft as a rotating fulcrum and does not interfere with the spherical matching part.

4. The adjustable angle traversing mechanism assembly according to claim 1, wherein: a small gap is formed between the opposite end faces of the second shell assembly and the third shell assembly, a first arc face and a second arc face are respectively formed at the two opposite end faces, and the two arc faces and the hinge shaft are concentrically arranged.

5. An adjustable angle steering gear assembly according to any one of claims 1 to 4 wherein: an angle adjusting device is arranged at the hinged position of the upper section and the lower section of the steering column, and the steering gear assembly has an angle adjusting function within a certain range through the angle adjusting device.

6. An adjustable angle steering gear assembly according to claim 5 wherein: the angle adjusting device comprises a first support, a second support, a screw and an adjusting handle, wherein the first support is fixed on the upper section of the steering column, the second support is fixed on the lower section of the steering column, the first support and the second support are hinged with each other through a hinged shaft, an arc-shaped hole is formed in the second support, the screw is arranged in the arc-shaped hole in a penetrating mode, the adjusting handle is connected with the outer end of the screw in a threaded mode, a locking sleeve is arranged between the second support and the adjusting handle on the outer side of the screw, a through hole is formed in the second shell assembly corresponding to the position of the adjusting handle, and the adjusting handle is arranged in the through hole in a penetrating mode and is located on the outer side of the second shell assembly.

7. An adjustable angle steering gear assembly according to claim 5 wherein: the angle adjusting device comprises a first support, a second support, a screw and a pedal adjusting switch, the first support is fixed on the upper section of the steering column, the second support is fixed on the lower section of the steering column, the first support and the second support are hinged with each other through a hinge shaft, an arc-shaped hole is formed in the first support, and the screw penetrates through the arc-shaped hole; the pedal adjusting switch is arranged on the rear side of the steering gear main body and is connected with the lower section of the steering column through a hydraulic mechanism.

8. The adjustable angle traversing mechanism assembly according to claim 1, wherein: the steering gear assembly further comprises a combination switch, a rocker switch component and a starting lock, and the first shell component is provided with assembling ports in one-to-one correspondence with the switches.

9. The adjustable angle traversing mechanism assembly according to claim 1, wherein: and the first shell component is also provided with an assembly port for placing the small electrical appliance module and the fuse box.

10. An adjustable angle steering gear assembly according to claim 8 or 9 wherein: the steering gear box is characterized in that a panel is arranged at the upper end of the steering gear box main body, and a combined instrument assembling port is formed in the panel.

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