CN214189843U

CN214189843U - Semitrailer stand loose plug

Info

Publication number: CN214189843U
Application number: CN202022894113.4U
Authority: CN
Inventors: 刘涛; 褚同启
Original assignee: Liangshan Yonggu Trailer Manufacturing Co ltd
Current assignee: Liangshan Yonggu Trailer Manufacturing Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-14
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a semitrailer equipment technical field specifically is a semitrailer stand loose plug. The utility model discloses it is hard and the poor maintenance of stability is relatively troublesome technical problem to solve to open the plug. In order to solve the technical problem, the utility model provides a semitrailer stand loose plug, the utility model discloses mainly by the stand, the automobile body steel sheet, quick-witted case, plug and hoist mechanism constitute, through pressing the button piece, the promotion post of being connected with the button piece promotes the fixture block, one side of fixture block is the hemisphere face, when first spring promotes the fixture block and gets into the second spring, the plug through opening motor control worm gear lift top stimulates downwards, make the plug leave the inside of stand, the dismantlement of stand has been realized, time saving and labor saving, the operation is simple, can external crank through rotating the crank interface, thereby the lift of control plug, simple to use, high practicability, whole device reasonable in design, overall structure is stable, easy maintenance.

Description

Semitrailer stand loose plug

Technical Field

The utility model relates to a semitrailer equipment technical field specifically is a semitrailer stand loose plug.

Background

The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to a tractor, wherein the vehicle body upright column comprises a common upright column, a bolt fixing upright column, a movable inserting upright column, a follow-up upright column, a boundary beam externally-inserted movable upright column and a temporary upright column, the internal structure of the follow-up upright column is complicated, a locking mechanism is additionally arranged from the inner side of the upright column, the upright column and the boundary beam can be separated or fixed together through an exposed switch, and the upright column can be started along with a right box door by opening a left door handle on the premise that the locking switch is opened, or vice versa. If close locking switch, when opening left and right sides chamber door, the stand is together firm motionless with the boundary beam is fixed promptly, need use the movable plug when the stand is fixed, but present movable plug has following defect:

the existing upright post movable plug consumes manpower when being opened, can be opened only by using a tool, and is more difficult and more inconvenient to open when a box door is propped by goods; the existing movable plug of the upright post has poor stability and is inconvenient to maintain and replace after long-term use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semitrailer stand loose plug through setting up hoist mechanism to the problem of opening hard that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a semitrailer upright post movable plug comprises an upright post, a vehicle body steel plate, a case, a plug and a lifting mechanism.

The car body steel plate is provided with a plug in a sliding penetrating way, the bottom surface of the car body steel plate is fixedly connected with the top surface of the top plate of the chassis, a lifting mechanism is arranged in the case, a square groove is arranged at the position of the top surface of the car body steel plate close to the plug, the square groove is provided with a column in a sliding way, the top of one side surface of the plug is provided with a cavity, the cavity is provided with a second spring, one end of the second spring is fixedly connected with a clamping block, one side wall of the upright post is provided with a circular sliding groove in a penetrating way, the clamping block is positioned in the circular sliding groove, the outer surface of one side of the upright post is fixedly connected with an annular frame and a first spring at a position close to the sliding groove, the first spring is positioned in the annular frame, one end of the first spring, which is far away from the upright post, is fixedly connected with a button block, the push button comprises a push button block and a first spring, wherein the push button block is fixedly connected with the surface of one side of the push button block and is located inside the first spring.

The lifting mechanism comprises a worm gear lifter, a first circular hole, a first connecting column, a second connecting column and a motor, a first fixed block is fixedly connected to the surface of the inner wall at one side of the case, a worm gear lifter is fixedly connected to the surface of one end of the first fixed block, a first circular hole is arranged at the bottom end of a screw rod of the worm gear elevator in a penetrating way on a bottom plate of the case, two ends of the input shaft of the worm gear-worm lifter are respectively connected with a first connecting column and a second connecting column by flanges, one end of the first connecting column, which is far away from the worm gear lifter, rotatably penetrates through a side plate of the case and is fixedly provided with a crank interface, a first bevel gear is fixedly sleeved on the outer surface of the second connecting column, a second round hole is formed in the top plate of the case in a penetrating manner, and the top end surface of the screw rod of the worm gear elevator penetrates through the bottom surface of the second circular hole fixedly connected with the plug.

Preferably, the bearing is fixedly sleeved on the outer surface of one end, far away from the worm gear and worm lifter, of the second connecting column, and the bearing is embedded and installed in the inner wall of one side of the case.

Preferably, a second fixed block is mounted at the top of the surface of the inner wall of the case, and a motor is fixedly mounted on the second fixed block.

Preferably, the output shaft of the motor is in flange connection with a third connecting column, a second bevel gear is fixedly sleeved on the outer surface of the bottom end of the third connecting column and is in meshed connection with the first bevel gear.

Preferably, a door is hinged to one side surface of the case, and a handle is mounted on one side surface of the door.

Preferably, a conical block is fixedly connected to the top end surface of the plug.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model is provided with a lifting mechanism, the pushing column connected with the button block pushes the fixture block by pressing the button block, one side of the fixture block is a hemisphere, when the first spring pushes the fixture block to enter the second spring, the plug at the top of the worm gear elevator controlled by the motor is opened to be pulled downwards, so that the plug leaves the inside of the upright column, the upright column is disassembled, time and labor are saved, and the operation is simple;

(2) the utility model discloses a be provided with the crank interface, can external crank through rotating the crank interface to control plug's lift, simple to use, the practicality is high, whole device reasonable in design, overall structure is stable, easy maintenance.

Drawings

FIG. 1 is a schematic sectional view of a front view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic cross-sectional view of the left side view of the middle chassis of the present invention;

fig. 4 is the internal structure diagram of the left view of the center pillar and the plug of the present invention.

In the figure: 1. a vehicle body steel plate; 2. a column; 3. a plug; 4. a clamping block; 5. a conical block; 6. a worm gear elevator; 7. a box door; 8. a chassis; 9. a first circular hole; 10. a first fixed block; 11. a handle; 12. an annular frame; 13. a button block; 14. a crank interface; 15. a first connecting column; 16. a first bevel gear; 17. a second connecting column; 18. a bearing; 19. a second fixed block; 20. a motor; 21. a cavity; 22. a first spring; 23. pushing the column; 24. a second spring; 25. a square groove; 26. a third connecting column; 27. a second bevel gear; 28. a second circular aperture.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a semitrailer upright post movable plug comprises an upright post 2, a vehicle body steel plate 1, a case 8, a plug 3 and a lifting mechanism.

The automobile body steel plate is characterized in that a plug 3 is slidably installed on the automobile body steel plate 1 in a penetrating manner, the bottom surface of the automobile body steel plate 1 is fixedly connected with the top surface of the top plate of the case 8, a lifting mechanism is installed inside the case 8, a square groove 25 is formed in the position, close to the plug 3, of the top surface of the automobile body steel plate 1, a stand column 2 is slidably installed in the square groove 25, a cavity 21 is formed in the top of one side surface of the plug 3, a second spring 24 is installed in the cavity 21, a clamping block 4 is fixedly connected with one end of the second spring 24, a circular sliding groove is formed in one side wall of the stand column 2 in a penetrating manner, the clamping block 4 is located inside the circular sliding groove, an annular frame 12 and a first spring 22 are fixedly connected with the position, close to the sliding groove, of the outer surface of one side of the stand column 2, the first spring 22 is located inside the annular frame 12, and one end, far away from the stand column 2, of the first spring 22 is fixedly connected with a button block 13, a pushing column 23 is fixedly connected to one side surface of the button block 13, and the pushing column 23 is located inside the first spring 22.

The lifting mechanism comprises a worm gear lifter 6, a first circular hole 9, a first connecting column 15, a second connecting column 17 and a motor 20, a first fixed block 10 is fixedly connected to the surface of the inner wall of one side of the case 8, a worm gear lifter 6 is fixedly connected to the surface of one end of the first fixed block 10, a first circular hole 9 is arranged at the bottom end of the screw rod of the worm gear lifter 6 on the bottom plate of the case 8, two ends of an input shaft of the worm gear lifter 6 are respectively connected with a first connecting post 15 and a second connecting post 17 in a flange manner, one end of the first connecting column 15, which is far away from the worm gear lifter 6, rotatably penetrates through one side plate of the case 8 and is fixedly provided with a crank interface 14, a first bevel gear 16 is fixedly sleeved on the outer surface of the second connecting column 17, a second round hole 28 is formed through the top plate of the case 8, the top end surface of the screw rod of the worm gear lifter 6 passes through the second circular hole 28 to be fixedly connected with the bottom surface of the plug 3.

Specifically, bearing 18 is fixedly sleeved on the outer surface of one end, far away from worm gear lift 6, of second connecting column 17, and bearing 18 is embedded and installed in the inner wall of one side of case 8, so that stability is improved while rotation of second connecting column 17 is facilitated.

Specifically, a second fixed block 19 is installed at the top of the inner wall surface of the case 8, and a motor 20 is fixedly installed on the second fixed block 19 to provide power for lifting of a screw rod in the worm gear lifter 6.

Specifically, an output shaft of the motor 20 is flanged with a third connecting column 26, a second bevel gear 27 is fixedly sleeved on the outer surface of the bottom end of the third connecting column 26, and the second bevel gear 27 is in meshed connection with the first bevel gear 16.

Specifically, a box door 7 is hinged to one side surface of the case 8, and a handle 11 is mounted on one side surface of the box door 7, so that maintenance is facilitated.

Specifically, the top end surface of the plug 3 is fixedly connected with a conical block 5, so that the plug 3 can be conveniently inserted into the upright post 2.

The working principle is as follows: when the electric appliance component is used, the stand column 2 is placed at the top of the steel plate 1 of the vehicle body through the square groove 25, the power switch of the motor 20 is opened, the third connecting column 26 connected with the motor 20 rotates to drive the second bevel gear 27 to rotate, the first bevel gear 16 and the second connecting column 17 rotate, so that the top end of the screw rod of the worm and gear lifter 6 pushes the plug 3 to move upwards, when the plug 3 moves upwards to the circular sliding groove, the limiting plate is arranged on the inner wall surface of the stand column 2, the motor 20 is closed when the conical block 5 is contacted with the limiting plate, the second spring 24 is coincided with the circular sliding groove, the fixture block 4 enters the circular sliding groove under the thrust of the second spring 24, the installation of the stand column 2 is completed, when the electric appliance component is disassembled, the pushing column 23 connected with the button block 13 pushes the fixture block 4 by pressing the button block 13, one side of fixture block 4 is the hemisphere face, when first spring 22 promoted fixture block 4 and gets into second spring 24, through opening the downward pulling of plug 3 at motor 20 control worm gear lift 6 top for plug 3 leaves the inside of stand 2, the dismantlement of stand 2 has been realized, time saving and labor saving, and easy operation, when meetting the motor 20 trouble, can external crank through rotating crank interface 14, thereby control plug 3's lift, simple to use, the practicality is high, whole device stable in structure.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to the circuit and electronic components and control modules.

In the description of the present invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a semitrailer stand loose plug which characterized in that: comprises a column (2), a vehicle body steel plate (1), a case (8), a plug (3) and a lifting mechanism;

the automobile body steel plate fixing device is characterized in that a plug (3) is slidably installed on an automobile body steel plate (1) in a penetrating mode, the top face of the bottom face of the automobile body steel plate (1) is fixedly connected with the top face of a case (8), a lifting mechanism is installed inside the case (8), a square groove (25) is formed in the position, close to the plug (3), of the top face of the automobile body steel plate (1), an upright post (2) is slidably installed in the square groove (25), a cavity (21) is formed in the top of the surface of one side of the plug (3), a second spring (24) is installed in the cavity (21), a clamping block (4) is fixedly connected to one end of the second spring (24), a circular sliding groove is formed in a penetrating mode of one side wall of the upright post (2), the clamping block (4) is located inside the circular sliding groove, and an annular frame (12) and a first spring (22) are fixedly connected to the position, close to the sliding groove, of the outer surface of one side of the upright post (2), the first spring (22) is positioned inside the annular frame (12), one end, far away from the upright post (2), of the first spring (22) is fixedly connected with a button block (13), one side surface of the button block (13) is fixedly connected with a pushing column (23), and the pushing column (23) is positioned inside the first spring (22);

the lifting mechanism comprises a worm gear lifter (6), a first round hole (9), a first connecting column (15), a second connecting column (17) and a motor (20), a first fixed block (10) is fixedly connected to the surface of the inner wall of one side of the case (8), the worm gear lifter (6) is fixedly connected to the surface of one end of the first fixed block (10), a first round hole (9) is formed in the bottom end of a screw rod of the worm gear lifter (6) in a penetrating mode on the bottom plate of the case (8), the two ends of an input shaft of the worm gear lifter (6) are respectively connected with the first connecting column (15) and the second connecting column (17) in a flange mode, one end, far away from the worm gear lifter (6), of the first connecting column (15) rotates to penetrate through a side plate of the case (8) and is fixedly provided with a crank interface (14), the outer surface of the second connecting column (17) is fixedly sleeved with a first bevel gear (16), and a second circular hole (28) is formed in the top plate of the case (8) in a penetrating manner, and the top end surface of the screw rod of the worm gear elevator (6) penetrates through the bottom surface of the second circular hole (28) and is fixedly connected with the plug (3).

2. The semitrailer pillar removable plug of claim 1, wherein: the outer surface of one end, far away from the worm gear and worm lifter (6), of the second connecting column (17) is fixedly sleeved with a bearing (18), and the bearing (18) is embedded and installed in the inner wall of one side of the case (8).

3. The semitrailer pillar removable plug of claim 1, wherein: and a second fixed block (19) is mounted at the top of the surface of the inner wall of the case (8), and a motor (20) is fixedly mounted on the second fixed block (19).

4. The semitrailer pillar removable plug of claim 1 or 3, wherein: the output shaft of the motor (20) is in flange connection with a third connecting column (26), a second bevel gear (27) is fixedly sleeved on the outer surface of the bottom end of the third connecting column (26), and the second bevel gear (27) is in meshed connection with the first bevel gear (16).

5. The semitrailer pillar removable plug of claim 1, wherein: a box door (7) is hinged to the surface of one side of the box (8), and a handle (11) is mounted on the surface of one side of the box door (7).

6. The semitrailer pillar removable plug of claim 1, wherein: the top end surface of the plug (3) is fixedly connected with a conical block (5).