阅读说明：本技术 一种快速松脱装置 (Quick loosening device ) 是由 李宝玉 韩燕喜 崔秋凤 李顺 杜林江 邱小矿 于 2020-08-14 设计创作，主要内容包括：本发明提出一种快速松脱装置,包括支架总成、旋转套总成和手柄总成,支架总成由支架连接板、内固定套、外固定套和支架组成,旋转套总成由旋转套连接板、旋转套和螺柱组成,手柄总成由主手柄、副手柄、手柄座、销轴和手柄弹簧。通过本发明的快速松脱装置,可以实现导向支撑装置的快速收放,且该装置能够极大提高导向支撑装置的距地高度,提高车辆的通过性和安全性。(The invention provides a quick release device which comprises a support assembly, a rotary sleeve assembly and a handle assembly, wherein the support assembly consists of a support connecting plate, an inner fixed sleeve, an outer fixed sleeve and a support, the rotary sleeve assembly consists of a rotary sleeve connecting plate, a rotary sleeve and a stud, and the handle assembly consists of a main handle, an auxiliary handle, a handle seat, a pin shaft and a handle spring. The quick release device can realize quick retraction of the guide support device, and the device can greatly improve the ground height of the guide support device and improve the passing performance and safety of vehicles.)

1. A quick release device is characterized by comprising a bracket assembly, a rotary sleeve assembly and a handle assembly; wherein the content of the first and second substances,

the bracket assembly consists of a bracket connecting plate, an inner fixing sleeve, an outer fixing sleeve and a bracket; wherein, the bracket is fixedly connected on the bracket connecting plate, and a round hole is processed in the middle of the bracket; the inner fixing sleeves are inserted into and fixedly connected with the outer fixing sleeves, and the two fixing sleeves integrally penetrate into the round holes of the bracket and are fixedly connected to the bracket; a stepped hole is formed in the middle of the inner fixing sleeve, and one end connected with the outer fixing sleeve is provided with a conical protrusion and groove structure; the other end of the inner fixing sleeve is provided with a thread.

The rotary sleeve assembly consists of a rotary sleeve connecting plate, a rotary sleeve and a stud; wherein, a round hole is processed in the middle of the rotary sleeve connecting plate, one end of the rotary sleeve is fixedly connected to the rotary sleeve connecting plate, and the hole on the rotary sleeve is flush with the end part of the round hole of the rotary sleeve connecting plate; one end of the rotary sleeve, which is far away from the connecting plate, is provided with a conical protrusion and groove structure, and the protrusion part of the rotary sleeve can be meshed with the groove part of the inner fixing sleeve; one end of the stud, which is not provided with the round hole, penetrates through the rotary sleeve and the rotary sleeve connecting plate, the end part of the stud is flush with the rotary sleeve connecting plate, and the rotary sleeve and the stud 2 are fixedly connected together through the end part;

the handle assembly consists of a main handle, an auxiliary handle, a handle seat, a pin shaft and a handle spring; one end of the main handle is inserted into the handle seat and is fixedly connected to the handle seat, and the auxiliary handle is fixed on the main handle through a pin shaft; one end of the handle spring is hung on the auxiliary handle, and the other end of the handle spring is fixed on the main handle; the handle seat is of a cylindrical structure with an axial through hole, the rear part of the handle seat is provided with a boss, the excircle of the boss is processed with a thread, and the thread is matched with the thread part of an inner fixed sleeve of the bracket assembly; a plane is processed on the side surface of the cylinder at the front end of the handle seat, a radial hole is processed on the plane and is intersected with the axial through hole, and the main handle is inserted into the radial hole and is fixedly connected to the handle seat; the handle assembly is screwed into the inner fixed sleeve of the bracket assembly through the external thread at the rear end of the handle seat; the spring is sleeved on the stud of the rotating sleeve assembly, and two ends of the spring are respectively abutted against the inner fixed sleeve and the rotating sleeve; the stud sequentially passes through the outer fixing sleeve and the inner fixing sleeve of the bracket assembly and the handle seat of the handle assembly; one end of the stud penetrating out of the handle seat is fixed by a locking nut; the baffle is fixed on the support and is used for limiting the auxiliary handle.

2. The quick release of claim 1, wherein said bracket is of U-shaped configuration and is welded to a bracket web.

3. The quick release device of claim 1, wherein said inner fixing sleeve is inserted and welded into said outer fixing sleeve, and both of said welded fixing sleeves are integrally inserted into a circular hole of said holder and welded to said holder.

4. The quick release of claim 1, wherein one end of said rotating sleeve is welded to a rotating sleeve attachment plate.

5. The quick release of claim 1, wherein one end of said main handle is inserted into a handle seat and welded thereto.

6. The quick release of claim 1, wherein said handle assembly further comprises a handle sleeve and a cylindrical pin; wherein, the handle sleeve is fixed at the other end of the main handle through a cylindrical pin.

7. The quick release of claim 1, wherein a cotter pin is inserted into the lock nut.

8. The quick release device of claim 1, wherein a locking nut is mounted on the end of the stud that extends beyond the handle seat after the washer is seated.

Technical Field

The invention belongs to the technical field of vehicles, and particularly relates to a quick release device suitable for quickly retracting and releasing a trailer supporting device.

Background

Receive and release of light-tonnage trailer direction strutting arrangement, rely on strutting arrangement self structure to realize usually, strutting arrangement is split type structure from top to bottom, through round pin hub connection between the upper and lower body, when strutting arrangement is packed up, drives the lead screw through the crank, makes the upper part of the body shorten, when rising to a locating position, fixes the lower part of the body folding in a certain position, and this kind of structure leads to apart from the ground height to reduce because of upper and lower body is folding, can influence the trafficability characteristic of trailer when serious, causes the influence to the security of whole car.

Disclosure of Invention

Technical problem to be solved

The invention provides a quick release device, which aims to solve the technical problem of how to realize quick release of a trailer.

(II) technical scheme

In order to solve the technical problem, the invention provides a quick release device, which comprises a bracket assembly, a rotary sleeve assembly and a handle assembly; wherein the content of the first and second substances,

the bracket assembly consists of a bracket connecting plate, an inner fixing sleeve, an outer fixing sleeve and a bracket; wherein, the bracket is fixedly connected on the bracket connecting plate, and a round hole is processed in the middle of the bracket; the inner fixing sleeves are inserted into and fixedly connected with the outer fixing sleeves, and the two fixing sleeves integrally penetrate into the round holes of the bracket and are fixedly connected to the bracket; a stepped hole is formed in the middle of the inner fixing sleeve, and one end connected with the outer fixing sleeve is provided with a conical protrusion and groove structure; the other end of the inner fixing sleeve is provided with a thread.

The rotary sleeve assembly consists of a rotary sleeve connecting plate, a rotary sleeve and a stud; wherein, a round hole is processed in the middle of the rotary sleeve connecting plate, one end of the rotary sleeve is fixedly connected to the rotary sleeve connecting plate, and the hole on the rotary sleeve is flush with the end part of the round hole of the rotary sleeve connecting plate; one end of the rotary sleeve, which is far away from the connecting plate, is provided with a conical protrusion and groove structure, and the protrusion part of the rotary sleeve can be meshed with the groove part of the inner fixing sleeve; one end of the stud, which is not provided with the round hole, penetrates through the rotary sleeve and the rotary sleeve connecting plate, the end part of the stud is flush with the rotary sleeve connecting plate, and the rotary sleeve and the stud 2 are fixedly connected together through the end part;

the handle assembly consists of a main handle, an auxiliary handle, a handle seat, a pin shaft and a handle spring; one end of the main handle is inserted into the handle seat and is fixedly connected to the handle seat, and the auxiliary handle is fixed on the main handle through a pin shaft; one end of the handle spring is hung on the auxiliary handle, and the other end of the handle spring is fixed on the main handle; the handle seat is of a cylindrical structure with an axial through hole, the rear part of the handle seat is provided with a boss, the excircle of the boss is processed with a thread, and the thread is matched with the thread part of an inner fixed sleeve of the bracket assembly; a plane is processed on the side surface of the cylinder at the front end of the handle seat, a radial hole is processed on the plane and is intersected with the axial through hole, and the main handle is inserted into the radial hole and is fixedly connected to the handle seat; the handle assembly is screwed into the inner fixed sleeve of the bracket assembly through the external thread at the rear end of the handle seat; the spring is sleeved on the stud of the rotating sleeve assembly, and two ends of the spring are respectively abutted against the inner fixed sleeve and the rotating sleeve; the stud sequentially passes through the outer fixing sleeve and the inner fixing sleeve of the bracket assembly and the handle seat of the handle assembly; one end of the stud penetrating out of the handle seat is fixed by a locking nut; the baffle is fixed on the support and is used for limiting the auxiliary handle.

Furthermore, the support is a U-shaped structure and is welded on the support connecting plate.

Furthermore, the inner fixing sleeve is inserted into and welded in the outer fixing sleeve, and the two welded fixing sleeves integrally penetrate into the round hole of the support and are welded on the support.

Furthermore, one end of the rotating sleeve is welded on the rotating sleeve connecting plate.

Further, one end of the main handle is inserted into the handle holder and welded to the handle holder.

Further, the handle assembly also comprises a handle sleeve and a cylindrical pin; wherein, the handle sleeve is fixed at the other end of the main handle through a cylindrical pin.

Further, a cotter pin is inserted into the lock nut.

Furthermore, a locking nut is arranged on one end of the stud penetrating through the handle seat after a washer is arranged on the end.

(III) advantageous effects

The invention provides a quick release device which comprises a support assembly, a rotary sleeve assembly and a handle assembly, wherein the support assembly consists of a support connecting plate, an inner fixed sleeve, an outer fixed sleeve and a support, the rotary sleeve assembly consists of a rotary sleeve connecting plate, a rotary sleeve and a stud, and the handle assembly consists of a main handle, an auxiliary handle, a handle seat, a pin shaft and a handle spring. The quick release device can realize quick retraction of the guide support device, and the device can greatly improve the ground height of the guide support device and improve the passing performance and safety of vehicles.

Drawings

FIG. 1 is a schematic view of the overall structure of a quick release device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a bracket assembly according to an embodiment of the present invention: (a) a front view, (b) a side view, (c) a sectional view a-a;

fig. 3 is a schematic view of an inner fixing sleeve structure in the embodiment of the invention: (a) a front sectional view, (b) a side view;

FIG. 4 is a schematic structural diagram of a rotating sleeve assembly according to an embodiment of the present invention: (a) a front sectional view, (b) a side view;

FIG. 5 is a schematic view of a rotating sleeve according to an embodiment of the present invention: (a) a front sectional view, (b) a side view;

FIG. 6 is a schematic view of a handle assembly according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a handle seat according to an embodiment of the present invention: (a) a front sectional view, (b) a side view, and (c) a top view.

Detailed Description

In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.

The present embodiment provides a quick release device, which has a structure as shown in fig. 1, and mainly includes a bracket assembly 1, a rotating sleeve assembly 2, and a handle assembly 3.

As shown in figure 2, the bracket assembly 1 consists of a bracket connecting plate 1-1, an inner fixing sleeve 1-4, an outer fixing sleeve 1-3 and a bracket 1-2. Wherein, the bracket 1-2 is a U-shaped structure and is welded on the bracket connecting plate 1-1, and a round hole is processed in the middle of the bracket 1-2. The inner fixing sleeve 1-4 is inserted and welded in the outer fixing sleeve 1-3, and the two welded fixing sleeves integrally penetrate through the round hole of the bracket 1-2 and are welded on the bracket 1-2.

As shown in figure 3, a stepped hole is arranged in the middle of the inner fixing sleeve 1-4, one end connected with the outer fixing sleeve 1-3 is provided with uniformly distributed conical bulges and grooves, the grooves are conical, and the other end of the inner fixing sleeve 1-4 is processed with threads.

As shown in FIG. 4, the rotating sleeve assembly 2 is composed of a rotating sleeve connecting plate 2-1, a rotating sleeve 2-2 and a stud 2-3. Wherein, a round hole is processed in the middle of the rotary sleeve connecting plate 2-1, one end of the rotary sleeve 2-2 is welded on the rotary sleeve connecting plate 2-1, and the hole on the rotary sleeve 2-2 is flush with the end part of the round hole of the rotary sleeve connecting plate 2-1.

As shown in figure 5, one end of the rotating sleeve 2-2 far away from the connecting plate 2-1 is provided with a uniformly distributed conical protrusion and groove structure, and the protrusion part can be meshed with the groove of the inner fixing sleeve 1-4.

One end of the stud 2-3, which is not provided with a round hole, penetrates through the rotary sleeve 2-2 and the rotary sleeve connecting plate 2-1, the end part of the stud is flush with the rotary sleeve connecting plate 2-1, and the rotary sleeve 2-2 and the stud 2-3 are welded together through the end part.

As shown in FIG. 6, the handle assembly 3 is composed of a main handle 3-1, an auxiliary handle 3-2, a handle seat 3-4, a pin shaft 3-3, a handle spring 3-5, a handle sleeve 3-7 and a cylindrical pin 3-6. Wherein, one end of the main handle 3-1 is inserted into the handle seat 3-4 and welded on the handle seat 3-4, and the auxiliary handle 3-2 is fixed on the main handle 3-1 through the pin shaft 3-3; one end of a handle spring 3-5 is hung on the auxiliary handle 3-2, the other end is fixed on the main handle 3-1, and a handle sleeve 3-7 is fixed at the other end of the main handle 3-1 through a cylindrical pin 3-6.

As shown in figure 7, the handle seat 3-4 is a cylindrical structure with an axial through hole, the rear part is provided with a boss, the outer circle of the boss is hinged with a thread which is matched with the thread part of the inner fixed sleeve 1-4 of the bracket assembly 1. The side surface of the cylinder at the front end of the handle seat 3-4 is milled with a plane, the central position of the plane is processed with a radial hole which is intersected with the axial through hole of the handle seat 3-4, and the main handle 3-1 is inserted into the radial hole and welded on the handle seat 3-4.

The handle assembly 3 is screwed into the inner fixed sleeve 1-4 of the bracket assembly 1 through the external thread at the rear end of the handle seat 3-4. The spring 9 is sleeved on the stud 2-3 of the rotating sleeve assembly 2, and two ends of the spring 9 are respectively abutted with the inner fixed sleeve 1-4 and the rotating sleeve 2-2. The stud 2-3 sequentially passes through the outer fixing sleeve 1-3, the inner fixing sleeve 1-4 and the handle seat 3-4 of the handle assembly 3 of the bracket assembly 1. And a washer 8 is arranged on one end of the stud 2-3 penetrating out of the handle seat 3-4, a locking nut 6 is installed, and a cotter pin 7 is inserted. The baffle 4 is fixed on the bracket 1-2 through two screws 5 and used for limiting the auxiliary handle 3-2 and playing a role in preventing the handle assembly 3 from loosening.

The working principle of the quick release device of the embodiment is as follows: the engagement and the quick separation of the inner fixed sleeve 1-4 and the rotating sleeve 2-2 are realized by utilizing the screwing-in and screwing-out of the screw thread and compressing or restoring the spring 9, so as to realize the quick locking and the quick releasing, and the reliability of the quick locking and releasing is determined by the screw pitch of the handle seat 3-4 and the engagement size of the inner fixed sleeve 1-4 and the rotating sleeve 2-2 (the screw pitch of 1/4 of the handle seat is equal to the engagement size of the inner fixed sleeve and the outer fixed sleeve). When the novel handle is in specific work, the auxiliary handle 3-2 is pressed, the spring 3-5 is compressed, the auxiliary handle 3-2 is closed, the baffle 4 is jumped over, the main handle 3-1 is rotated clockwise, and the rotary sleeve 2-2 and the inner fixed sleeve 1-4 are separated under the action of the spring 9. The main handle 3-1 is rotated anticlockwise, the handle seat 3-4 compresses the spring 9, and the rotating sleeve 2-2 is meshed with the inner fixed sleeve 1-4. The auxiliary handle 3-2 is loosened, so that the auxiliary handle 3-2 is clamped at the baffle 4, and the failure of the whole mechanism caused by the loosening of the handle assembly 3 is prevented.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.