CN221049666U

CN221049666U - Trailer support

Info

Publication number: CN221049666U
Application number: CN202323063411.9U
Authority: CN
Inventors: 沈鹏程
Original assignee: Wuxi Jingdun Machinery Manufacturing Co ltd
Current assignee: Wuxi Jingdun Machinery Manufacturing Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-05-31
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a trailer support, which comprises an inner pipe, an outer pipe, a driving device and a limiting part, wherein the inner pipe is sleeved in the outer pipe through a transmission assembly, the transmission assembly comprises a transmission nut and a transmission screw rod, the transmission screw rod is arranged on the transmission nut, the bottom end of the inner pipe is used as a supporting end, the outer wall of the transmission nut is fixedly connected to the inner wall of the inner pipe, the limiting part is positioned at the bottom end of the transmission screw rod, the driving device drives the inner pipe to reciprocate along the height direction through the threaded cooperation of the transmission screw rod and the transmission nut so as to drive the supporting end to lift, and the limiting part abuts against one end of the transmission nut until the supporting end lifts so as to limit the extension length of the inner pipe. Above-mentioned trailer eyelidretractor is provided with spacing portion in the bottom of drive lead screw, and drive arrangement drive inner tube is stretched out by the outer tube, and spacing portion is spacing to the extension length of inner tube, not only design benefit, easy realization, can restrict the extension length of inner tube moreover, has avoided the risk that the inner tube drops.

Description

Trailer support

Technical Field

The utility model belongs to the technical field of trailer accessories, and particularly relates to a trailer support.

Background

The trailer is mainly used in large farms and farmlands, and can be used for loading wood, forage, sand, snow, sundries and the like for transportation, and meanwhile, the trailer is commonly applied in factory workshops and is usually used for carrying products, tools, blanks, wood and other articles.

It is known that a trailer needs a support device to support the trailer in a non-moving state, so the support device is an important accessory for the trailer to be frequently used, the existing support device is installed at four corners of a trailer underframe through an adjusting device, the support device comprises an outer pipe and an inner pipe, an adjusting nut is fixedly arranged in the inner pipe, the driving end of the adjusting device is connected with a lead screw, the outer pipe is installed on the trailer underframe, the inner pipe is installed in the outer pipe through the transmission cooperation of the lead screw and the adjusting nut, however, in the specific implementation process, the lead screw can be rotated to the outer side of the end part of the adjusting nut, a tripping phenomenon occurs, and the problem needs to be solved urgently _.

Disclosure of utility model

The utility model aims to provide a trailer support, which solves the problem that a conventional support in the prior art can be tripped.

To achieve the purpose, the utility model adopts the following technical scheme:

A trailer supporter comprises an inner tube, an outer tube, a driving device and a limiting part, wherein,

The inner tube can be followed the high direction reciprocating motion ground cover and located in the outer tube through drive assembly, drive assembly includes drive nut and drive screw, drive screw rotationally set up in on the drive nut, drive nut is fixed to be set up the first end of inner tube, the second end of inner tube is as the supporting terminal, drive nut's outer wall fixed connection is in the inner wall of inner tube, spacing portion is located drive screw's bottom, drive arrangement's drive end with drive screw's top links to each other, drive arrangement passes through drive screw and drive nut's screw-thread fit drive inner tube is in the inside reciprocating motion of height direction of following of outer tube, in order to drive the supporting terminal goes up and down, when rising on the supporting terminal, until spacing portion support in drive nut's one end, in order to be right the extension limit of inner tube.

Further, the limiting part comprises a stamping protruding part arranged at the bottom end of the transmission screw, and the stamping protruding part is formed by stamping of stamping equipment.

Further, a buffer is disposed within the outer tube above the drive nut, the buffer configured to buffer upward movement of the inner tube.

Further, the bottom of inner tube is fixed and is provided with the supporting element, the supporting element includes supporting wheel and bracing piece, the first end of bracing piece passes through the connecting axle and connects the supporting wheel corresponds the bracing piece in dodge the groove has been seted up to the bottom of outer tube, the second end of bracing piece is located dodge the inslot and with the inner tube is fixed continuous.

Preferably, the buffer member is a nylon gasket.

Further, the driving device comprises a driving handle and a transmission rod, the driving handle is fixedly arranged at the first end of the transmission rod, the second end of the transmission rod is fixedly connected with the top end of the transmission screw, and the driving handle drives the transmission screw to rotate through the transmission rod.

Furthermore, the external threads of the transmission screw rod and the internal threads of the transmission nut are trapezoidal threads.

Compared with the prior art, the beneficial effect of trailer support ware is: the bottom of the transmission screw is provided with the limiting part, the driving device drives the inner tube to extend out of the outer tube, and the limiting part limits the extending length of the inner tube, so that the design is ingenious, the implementation is easy, the extending length of the inner tube can be limited, and the risk of falling off of the inner tube is avoided; and the buffer piece is additionally arranged in the outer tube, so that the upward movement of the inner tube is effectively buffered, and the hard contact between the inner tube and the outer tube is avoided.

Drawings

For a clearer description and understanding of the technical solutions of the embodiments of the present utility model, the following description will make a brief introduction to the drawings required for the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic perspective view of a trailer support according to an embodiment of the present utility model;

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

Fig. 3 is a schematic diagram of the internal structure at B in fig. 1.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in this embodiment, a trailer supporter includes an inner tube 1, an outer tube 2, a driving device 3 and a limiting portion 4, wherein the inner tube 1 can be sleeved in the outer tube 2 in a reciprocating manner along a height direction through a transmission assembly, the transmission assembly includes a transmission nut 5 and a transmission screw 6, the transmission screw 6 can be rotatably disposed on the transmission nut 5, the transmission nut 5 is fixedly disposed at the top end of the inner tube 1, the bottom end of the inner tube 1 is used as a supporting end, the outer wall of the transmission nut 5 is fixedly connected to the inner wall of the inner tube 1, the limiting portion 4 is disposed at the bottom end of the transmission screw 6, the driving end of the driving device 3 is connected to the top end of the transmission screw 6, the driving device 3 drives the inner tube 1 to reciprocate along the height direction inside the outer tube 2 through the threaded cooperation of the transmission screw 6 and the transmission nut 5, so as to drive the supporting end to lift, until the limiting portion 4 abuts against one end of the transmission nut 5 when the supporting end is lifted, so as to limit the extension length of the inner tube 1.

It can be seen that the bottom of the driving screw 6 is provided with the limiting part 4, the driving device 3 drives the inner tube 1 to extend out of the outer tube 2, the limiting part 4 limits the extending length of the inner tube 1, the design is ingenious, the implementation is easy, the extending length of the inner tube 1 can be limited, and the risk that the inner tube 1 falls off is avoided.

As an embodiment, the limiting part 4 comprises a stamping protruding part arranged at the bottom end of the transmission screw 6, and the stamping protruding part is stamped and formed by stamping equipment.

As an embodiment, a buffer 7 is provided inside the outer tube 2 above the drive nut 5, the buffer 7 being configured to buffer the upward movement of the inner tube 1.

As one embodiment, the cushion 7 is a nylon gasket.

As an implementation manner, the bottom of the inner tube 1 is fixedly provided with a supporting unit 8, the supporting unit 8 comprises a supporting wheel 80 and a supporting rod 81, a first end of the supporting rod 81 is connected with the supporting wheel 80 through a connecting shaft 9, an avoidance groove 20 is formed in the bottom end of the outer tube 2 corresponding to the supporting rod 81, and a second end of the supporting rod 81 is located in the avoidance groove 20 and fixedly connected with the inner tube 1.

As an embodiment, the driving device 3 includes a driving handle 30 and a transmission rod 31, where the driving handle 30 is fixedly disposed at a first end of the transmission rod 31, a second end of the transmission rod 31 is fixedly connected to a top end of the transmission screw 6, and the driving handle 30 drives the transmission screw 6 to rotate through the transmission rod 31.

As an embodiment, both the external thread of the drive screw 6 and the internal thread of the drive nut 5 are trapezoidal threads.

The lifting trailer support device works: the driving handle 30 is rotated forward, the driving screw rod 6 is driven to rotate forward on the driving nut 5 under the cooperation of the driving rod 31, and the supporting end of the inner tube 1 extends out to a proper position for supporting; when the inner tube 1 is retracted, the driving handle 30 is only required to be reversed to drive the transmission screw rod 6 to be reversed; when the inner tube 1 stretches out, until the limiting part 4 abuts against one end of the transmission nut 5, the stretching length of the inner tube 1 is limited, and the risk of tripping is effectively avoided.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A trailer supporter is characterized by comprising an inner pipe, an outer pipe, a driving device and a limiting part, wherein,

2. The trailer support as claimed in claim 1, wherein the stop comprises a stamped boss provided at a bottom end of the drive screw, the stamped boss being stamped by a stamping apparatus.

3. The trailer support of claim 1 wherein the interior of the outer tube is provided with a bumper above the drive nut, the bumper configured to cushion upward movement of the inner tube.

4. A trailer support as claimed in claim 3 wherein said cushioning member is a nylon spacer.

5. The trailer support as claimed in claim 1, wherein a support unit is fixedly arranged at the bottom of the inner tube, the support unit comprises a support wheel and a support rod, a first end of the support rod is connected with the support wheel through a connecting shaft, an avoidance groove is formed in the bottom end of the outer tube corresponding to the support rod, and a second end of the support rod is located in the avoidance groove and fixedly connected with the inner tube.

6. The trailer support as claimed in claim 1, wherein the drive means comprises a drive handle and a drive rod, the drive handle being fixedly arranged at a first end of the drive rod, a second end of the drive rod being fixedly connected to a top end of the drive screw, the drive handle being arranged to rotate the drive screw via the drive rod.

7. The trailer support of claim 1 wherein the external threads of the drive screw and the internal threads of the drive nut are trapezoidal threads.