CN215922308U

CN215922308U - Quick disassembling device for steering wheel

Info

Publication number: CN215922308U
Application number: CN202122249292.0U
Authority: CN
Inventors: 李金全
Original assignee: Shenzhen Sumo Technology Co ltd
Current assignee: Shenzhen Sumo Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-01
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a quick dismounting device for a steering wheel, which belongs to the technical field of steering wheels and aims at solving the problems that the steering wheel proposed by the background technology shakes and has poor fixing effect when being lifted upwards. The utility model can quickly communicate the PCB top plate and the PCB bottom plate to form a circuit loop, can prevent the PCB bottom plate and the PCB top plate from being mutually extruded to cause damage, can quickly fix the steering wheel, can prevent the steering wheel from shaking, and improves the fixing effect and the practicability.

Description

Quick disassembling device for steering wheel

Technical Field

The utility model relates to the technical field of steering wheels, in particular to a quick-release device for a steering wheel.

Background

Wheel-shaped devices for steering the direction of travel of automobiles, ships, airplanes, and the like. The steering wheel has the functions of converting the force applied to the edge of the steering wheel by a driver into torque and transmitting the torque to the steering shaft, the steering wheel is generally connected with the steering shaft through a spline, the steering wheel has the function of converting the force applied to the edge of the steering wheel by the driver into the torque and transmitting the torque to the steering shaft, when the steering wheel with larger diameter is used for steering, the hand force applied to the steering wheel by the driver can be smaller, the steering transmission shaft is used as a connecting piece between the steering device and the steering shaft to facilitate the generalization of the steering device, the errors generated during manufacturing and installation are compensated, and the installation of the steering device and the steering wheel on the whole vehicle is more reasonable.

Through the retrieval, chinese patent publication is CN 212950791U's patent, an automobile steering wheel quick detach device is disclosed, the above-mentioned device passes through gear connection's steering wheel installation mechanism installation steering wheel, and utilize fixed establishment to install the steering wheel in quick detach device's inside, it is very firm to install when normal use, can drive the rotatory locking of removing the steering wheel of lead screw through rotating rotatory adjust knob when needs dismantle the steering wheel, it is more convenient to use, an automobile steering wheel quick detach device in the above-mentioned patent has following not enough: when the steering wheel is lifted upwards, the steering wheel can shake, and the fixing effect is poor.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a quick release device for a steering wheel.

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

the utility model provides a steering wheel quick detach device, includes the base, it has the recess that the equidistance distributes to open on the outer wall on base upper portion, and is equipped with the ball in the recess, the support ring has been cup jointed on the base outer wall, the overlap joint has the PCB bottom plate on the inner wall of base bottom, sliding sleeve is equipped with the dustcoat on the support ring outer wall, be equipped with first spring in the dustcoat, the overlap joint has the snap ring on the outer wall of base top, PCB bottom plate piece top is equipped with the PCB roof, and the elastic contact pilotage that fixedly connected with equidistance distributes on the outer wall of PCB roof bottom, sliding sleeve is equipped with the fixing base in the dustcoat, there is the chip fixing base through bolted connection on the inner wall of fixing base bottom, it has the installing port to open on the outer wall of fixing base one side, and the inslot slip cover is equipped with the anticreep round pin, it has the mounting hole to open on anticreep round pin one side outer wall, and the mounting hole endotheca third spring.

Preferably, the outer wall of the top of the support ring is provided with an annular groove with an arc-shaped section, the bottom of the ball is arranged in the annular groove, and the ball and the inner wall of the bottom of the annular groove form rolling fit.

Preferably, the outer wall of the lower part of the support ring is provided with a fixing groove with a semicircular section, and a check ring is embedded in the fixing groove.

Preferably, an arc-shaped groove is formed in the inner wall of the lower portion of the outer cover, the ball is located in the arc-shaped groove, and the ball and the arc-shaped groove form rolling fit.

Preferably, equal fixedly connected with screw thread piece on the one end outer wall at PCB roof bottom and PCB bottom plate top, and the spiro union has fastening bolt on the outer wall of chip fixing base top, and fastening bolt and PCB roof bottom and PCB bottom plate form the fastening cooperation, the cover is equipped with the second spring on the outer wall of chip fixing base lower part.

Preferably, the bottom end of the first spring is lapped on the inner wall of the bottom of the outer cover, and the top end of the first spring is lapped on the outer wall of the bottom of the fixed seat.

Preferably, the outer wall of the top of the fixing seat is provided with a fixing hole, a fixing bolt is screwed in the fixing hole, the outer walls of the top and the bottom of the anti-falling pin are provided with fixing ports, and the fixing bolt and the anti-falling pin form fastening fit.

The utility model has the beneficial effects that:

1. the PCB top plate and the PCB bottom plate can be quickly communicated to form a circuit loop, and meanwhile, the PCB bottom plate and the PCB top plate can be prevented from being mutually extruded to cause damage;

2. be provided with the anticreep round pin, the third spring, dustcoat and fixing base, in the use, upwards stimulate the dustcoat, the dustcoat drives the ball and rolls, and then reduce the frictional force when the dustcoat removes, press the anticreep round pin, make the anticreep round pin be located the installing port, when the dustcoat removes the fixing base outside, the anticreep round pin extrudees the dustcoat under the effect of third spring tension, and fix the dustcoat, can be quick fix the steering wheel, can prevent simultaneously that the steering wheel from rocking, fixed effect and practicality have been improved.

Drawings

Fig. 1 is a schematic cross-sectional perspective view of a quick release device for a steering wheel according to the present invention;

fig. 2 is a schematic front perspective view of a quick release device for a steering wheel according to the present invention;

FIG. 3 is a schematic bottom perspective view of a quick release device for a steering wheel according to the present invention;

FIG. 4 is a schematic diagram of a front perspective view of a PCB base plate of a quick release device for a steering wheel according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 6 is a schematic perspective view of a pin-out preventing section of a quick release device for a steering wheel according to the present invention.

In the figure: the PCB comprises a base 1, a ball 2, a support ring 3, a retainer ring 4, a PCB baseplate 5, a housing 6, a first spring 7, a stop ring 8, a PCB top plate 9, an elastic contact pin 10, a fixed seat 11, a chip fixed seat 12, a pin 13, a third spring 14 and a fixed hole 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a quick dismounting device for a steering wheel comprises a base 1, wherein grooves are formed in the outer wall of the upper portion of the base 1 and are distributed equidistantly, balls 2 are arranged in the grooves, a support ring 3 is sleeved on the outer wall of the base 1, a PCB bottom plate 5 is lapped on the inner wall of the bottom of the base 1, an outer cover 6 is slidably sleeved on the outer wall of the support ring 3, a first spring 7 is arranged in the outer cover 6, a stop ring 8 is lapped on the outer wall of the top of the base 1, a PCB top plate 9 is arranged above the PCB bottom plate 5, and elastic contact pins 10 distributed equidistantly are fixedly connected to the outer wall of the bottom of the PCB top plate 9, so that a circuit loop can be formed by the PCB top plate and the PCB bottom plate through rapid communication, and meanwhile damage caused by mutual extrusion of the PCB bottom plate and the PCB top plate can be prevented;

sliding sleeve is equipped with fixing base 11 in dustcoat 6, there is chip fixing base 12 through bolted connection on the inner wall of 11 bottoms of fixing base, it has the installing port to open on the outer wall of 11 one sides of fixing base, and the sliding sleeve is equipped with anticreep round pin 13 in the installing port, it has the mounting hole to open on 13 one side outer walls of anticreep round pin, and the mounting hole endotheca is equipped with third first spring 4, can be quick fix the steering wheel, can prevent that the steering wheel from rocking simultaneously, has improved fixed effect and practicality.

In the utility model, an annular groove with an arc-shaped cross section is formed on the outer wall of the top of a support ring 3, the bottom of a ball 2 is arranged in the annular groove, the ball 2 is in rolling fit with the inner wall of the bottom of the annular groove, a fixing groove with a semicircular cross section is formed on the outer wall of the lower part of the support ring 3, a retainer ring 4 is embedded in the fixing groove, an arc-shaped groove is formed on the inner wall of the lower part of an outer cover 6, the ball 2 is positioned in the arc-shaped groove, the ball 2 and the arc-shaped groove are in rolling fit, threaded blocks are fixedly connected on the outer walls of the bottom of a PCB top plate 9 and one end of the top of a PCB bottom plate 5, a fastening bolt is screwed on the outer wall of the top of a chip fixing seat 12 and forms fastening fit with the bottom of the PCB top plate 9 and the PCB bottom plate 5, a second spring is sleeved on the outer wall of the lower part of the chip fixing seat 12, the bottom end of the first spring 7 is lapped on the inner wall of the bottom of the outer cover 6, and the top end of the first spring 7 is lapped on the outer wall of the bottom of the fixed seat 11, the outer wall of the top of the fixed seat 11 is provided with a fixed hole, the fixed hole is screwed with a fixed bolt, the outer walls of the top and the bottom of the anti-falling pin 13 are provided with fixed openings, and the fixed bolt and the anti-falling pin 13 form a fastening fit.

The working principle is as follows: when the outer cover 6 is pulled up, the movable space between the steel balls 2 and the outer cover 6 is larger, so that the base 1 has enough space to be separated from the quick-release head, when the base 1 is required to be separated from the quick-release head, the anti-release pin 13 needs to be pressed, then the outer cover 6 is pulled up to cover the anti-release pin 13, when the base 1 is separated, the stop ring 8 pushes the stop ring 8 to move downwards through the acting force of the second spring, the peripheral steel balls 2 can be pushed outwards at the same time, the outer ring pushes the outer ring to limit the first spring 7 to push the outer ring downwards through the acting force, the base 1 is buckled, the base 1 simultaneously pushes the stop ring 8 to push upwards, at the moment, the stop ring 8 does not limit the movement of the steel balls 2, the outer ring pushes the outer cover 6 downwards through the acting force of the first spring 7, at the moment, the outer cover 6 can pass through the gradient of the inner inclined wall of the outer cover 6, meanwhile, the steel balls 2 are inwards extruded to be attached to the base 1, and meanwhile, the groove of the base 1 can be completely corresponding to the steel ball position to the bottom, when the groove of the base 1 does not correspond to the position of the steel ball 2, the quick-release head or the base 1 can be aligned by rotating, when the outer cover 6 moves downwards, the anti-release pin 12 can push out the anti-release pin 13 through the acting force of the third spring 14, and meanwhile, the fixing bolt limits the maximum moving distance of the anti-release pin 13.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A quick dismounting device for a steering wheel comprises a base (1) and is characterized in that grooves distributed equidistantly are formed in the outer wall of the upper portion of the base (1), balls (2) are arranged in the grooves, a support ring (3) is sleeved on the outer wall of the base (1), a PCB bottom plate (5) is lapped on the inner wall of the bottom of the base (1), an outer cover (6) is sleeved on the outer wall of the support ring (3) in a sliding mode, a first spring (7) is arranged in the outer cover (6), a stop ring (8) is lapped on the outer wall of the top of the base (1), a PCB top plate (9) is arranged above the PCB bottom plate (5), elastic contact pins (10) distributed equidistantly are fixedly connected on the outer wall of the bottom of the PCB top plate (9), a fixing seat (11) is sleeved in the outer cover (6), and a chip fixing seat (12) is connected on the inner wall of the bottom of the fixing seat (11) through bolts, the anti-falling device is characterized in that an installation opening is formed in the outer wall of one side of the fixed seat (11), an anti-falling pin (13) is sleeved in the installation opening in a sliding mode, an installation hole is formed in the outer wall of one side of the anti-falling pin (13), and a third spring (14) is sleeved in the installation hole.

2. The quick release device for the steering wheel according to claim 1 is characterized in that an annular groove with an arc-shaped cross section is formed on the outer wall of the top of the support ring (3), the bottom of the ball (2) is arranged in the annular groove, and the ball (2) is in rolling fit with the inner wall of the bottom of the annular groove.

3. The quick release device for the steering wheel according to claim 1 is characterized in that the outer wall of the lower part of the support ring (3) is provided with a fixing groove with a semicircular section structure, and the fixing groove is embedded with a retaining ring (4).

4. The quick release device for the steering wheel according to claim 1 is characterized in that an arc-shaped groove is formed in the inner wall of the lower portion of the outer cover (6), the ball (2) is located in the arc-shaped groove, and the ball (2) is in rolling fit with the arc-shaped groove.

5. The quick dismounting device for the steering wheel according to claim 1, wherein the outer walls of the bottom of the PCB top plate (9) and the top of the PCB bottom plate (5) are fixedly connected with threaded blocks, the outer wall of the top of the chip fixing seat (12) is screwed with a fastening bolt, the fastening bolt is tightly matched with the bottom of the PCB top plate (9) and the PCB bottom plate (5), and the outer wall of the lower part of the chip fixing seat (12) is sleeved with a second spring.

6. The quick release device for the steering wheel according to claim 1, wherein the bottom end of the first spring (7) is lapped on the inner wall of the bottom of the outer cover (6), and the top end of the first spring (7) is lapped on the outer wall of the bottom of the fixed seat (11).

7. The quick release device for the steering wheel according to claim 1 is characterized in that a fixing hole is formed in the outer wall of the top of the fixing seat (11), a fixing bolt is screwed in the fixing hole, fixing openings are formed in the outer walls of the top and the bottom of the anti-dropping pin (13), and the fixing bolt and the anti-dropping pin (13) form a fastening fit.