CN217921242U

CN217921242U - Extended-range trailer top

Info

Publication number: CN217921242U
Application number: CN202220056768.0U
Authority: CN
Inventors: 戴绿杨
Original assignee: Hangzhou Xinsheng Machinery Manufacturing Co ltd
Current assignee: Hangzhou Xinsheng Machinery Manufacturing Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-11-29
Anticipated expiration: 2032-01-11

Abstract

The application discloses can increase form trailer roof, including dead lever, flexible loop bar, direction spout and thread bush, install in the dead lever outside flexible loop bar, flexible loop bar includes the telescopic joint and cup joints fixed knot in the telescopic joint, fixed knot peripheral lateral wall top is provided with spacing platform, in the telescopic joint with spacing platform department of linking to each other is provided with the direction spout. Has the advantages that: through the telescopic joint, the fixed knot, the thread bush, the design of spacing platform and direction spout, can pass through the cooperation of spacing platform with the direction spout on the one hand, further increase the stability of this car supporting top at the lift in-process, on the other hand is after drive screw separates with the thread groove, can continue to rotate for the thread bush and rise, thereby the working stroke of this car supporting top has effectively been increased, the user demand of car supporting top under the operating mode beyond normal working stroke has been improved greatly, the flexibility that the car supporting top used has been ensured, the practicality is good.

Description

Extended-range trailer top

Technical Field

The present application relates to the field of trailer tops, and more particularly, to a retractable trailer top.

Background

When the small compartment is butted with the driving machine body, in order to facilitate the smooth butting process, the front end of the small compartment is required to be lifted in advance by the aid of the car supporting roof.

However, the conventional trailer top can only be conveniently used within the range of the normal working stroke of the trailer top during working, when the working stroke exceeds the normal working stroke of the trailer top, the trailer top can be normally used by means of an external heightening part, the adjusting process is relatively complex, and meanwhile, after the trailer top is heightened by means of an external tool, the stability of the trailer top in the lifting process can be worsened, so that the practicability of the trailer top is greatly reduced, and the problem can be solved by the aid of the range-increasing trailer top.

SUMMERY OF THE UTILITY MODEL

The application has the advantages that the range-extending type trailer top is provided, and compared with the prior art, the range-extending type trailer top has the following beneficial effects:

for solving current trailer top and only can carrying out convenient use at its normal working stroke scope at the during operation, when working stroke surpassed the normal working stroke of support car top, often need increase the part with the help of the outside and ensure to hold in the palm the roof and can normally use, accommodation process is comparatively loaded down with trivial details, increases the back with the help of external instrument simultaneously, and the support car top can be worsened at lift process stationarity, greatly reduced the problem of the practicality of support car top, the utility model discloses an expansion joint, fixed knot, thread bush, spacing platform and direction spout's design can pass through spacing platform and the cooperation of direction spout on the one hand, further increase this support car top stability at lift in-process, on the other hand after drive screw and thread groove separation, can continue to rotate for the thread bush and rise to effectively increased the working stroke of this support car top, improved the user demand of support car top under the operating mode beyond normal working stroke greatly, ensured the flexibility that the support car top used, the practicality is good.

Additional advantages and features of the present application will become apparent from the description which follows, and may be realized by means of the instrumentalities and combinations particularly pointed out in the specification.

For realizing above-mentioned an at least advantage, this application provides a can increase form trailer roof, including dead lever, flexible loop bar, direction spout and thread bush, install in the dead lever outside flexible loop bar, flexible loop bar includes the telescopic joint and cup joints fixed knot in the telescopic joint, the peripheral lateral wall top of fixed knot is provided with spacing platform, in the telescopic joint with spacing platform department of linking to each other is provided with the direction spout, install on the fixed knot top the thread bush, the thread bush is located the dead lever top.

Furthermore, the telescopic joint is connected with the fixed joint in a sliding mode, the limiting table is formed on the fixed joint and is of an annular structure, the limiting table is connected with the guide sliding groove in a sliding mode, and the fixed joint is connected with the fixed rod through bolts.

By adopting the technical scheme, the limit table is matched with the guide sliding groove to ensure the stability of the telescopic joint in the lifting process.

Furthermore, the top of the telescopic loop bar is welded with a mounting rack, the mounting rack is of a square hollow structure, and a bottom plate is welded at the bottom end of the fixed rod.

By adopting the technical scheme, the bottom plate can provide stable support for the trailer top.

Furthermore, a thread groove is formed in the middle of the upper end of the fixing rod, a transmission screw is installed in the thread groove, the top end of the transmission screw is in keyed connection with a second bevel gear, the upper end of the second bevel gear is meshed with a first bevel gear, a remote rod is installed in the first bevel gear, and a rocking handle is installed at one end of the remote rod.

By adopting the technical scheme, the normal lifting of the support car roof can be ensured.

Furthermore, the thread groove is connected with the transmission screw rod in a screwing mode, the transmission screw rod penetrates through the thread sleeve, and the transmission screw rod is connected with the top end of the expansion joint in a rotating mode.

By adopting the technical scheme, the normal installation and fixation of the transmission screw can be ensured.

Furthermore, the remote rod adopts a bending structure, the rocking handle is connected with the remote rod through a bolt, the remote rod is rotatably connected with the mounting frame, and the remote rod is connected with the bevel gear in a key mode.

By adopting the technical scheme, the normal rotation installation of the remote rod can be ensured.

Further objects and advantages of the present application will become apparent from a reading of the ensuing description and drawings.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 illustrates a front cross-sectional view of an extendable trailer roof according to the present invention;

fig. 2 illustrates a left side view of an extendable trailer roof according to the present invention;

fig. 3 shows an enlarged view of a position a in an extendable trailer roof according to the present invention.

In the figure:

1 is a mounting frame; 2 is a bevel gear I; 3 is a telescopic loop bar; 301. an expansion joint; 302. a fixed joint; 4 is a thread groove; 5 is a bottom plate; 6 is a fixed rod; 7 is a transmission screw rod; 8 is a remote rod; 9 is a bevel gear II; 10 is a limit table; 11 is a guide chute; 12 is a rocking handle; and 13 is a threaded sleeve.

Detailed Description

Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein.

It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.

In the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification 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 thus the above terms should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the extendable trailer roof in this embodiment includes a fixing rod 6, a telescopic rod 3, a guiding chute 11 and a threaded sleeve 13, the telescopic rod 3 is installed outside the fixing rod 6, the telescopic rod 3 includes a telescopic joint 301 and a fixing joint 302 sleeved in the telescopic joint 301, a limiting table 10 is installed at a top end of a peripheral side wall of the fixing joint 302, the guiding chute 11 is installed at a connection portion of the telescopic joint 301 and the limiting table 10, the limiting table 10 is matched with the limiting groove, the telescopic joint 301 can be guided in a lifting process, the threaded sleeve 13 is installed at a top end of the fixing joint 302, the threaded sleeve 13 is located above the fixing rod 6, and a distance from the top end of the threaded sleeve 13 to the top end of the fixing joint 302 is an increased working stroke of the high-lift trailer roof.

As shown in fig. 1 to 3, in this embodiment, the telescopic joint 301 is slidably connected to the fixed joint 302, the limiting table 10 is formed on the fixed joint 302, the limiting table 10 is of an annular structure, the limiting table 10 is slidably connected to the guide chute 11, the fixed joint 302 is bolted to the fixed rod 6, the limiting table 10 can effectively prevent the telescopic joint 301 from slipping off the fixed joint 302, so as to ensure the stability of the telescopic rod 3 in the lifting process, the mounting frame 1 is welded to the top end of the telescopic rod 3, the mounting frame 1 is of a square hollow structure, the bottom plate 5 is welded to the bottom end of the fixed rod 6, the top end of the mounting frame 1 is mainly connected to a component with an external jacking component, and thus jacking of the corresponding component is achieved.

As shown in fig. 1 to 3, in this embodiment, a thread groove 4 is formed in the middle of the upper end of a fixing rod 6, a transmission screw 7 is installed in the thread groove 4, a bevel gear two 9 is connected to a top key of the transmission screw 7, a bevel gear one 2 is meshed to the upper end of the bevel gear two 9, a remote rod 8 is installed in the bevel gear one 2, a rocking handle 12 is installed at one end of the remote rod 8, the bevel gear one 2 is matched with the bevel gear two 9 and can transmit the rotating force of the remote rod 8 to the transmission screw 7, so that the transmission screw 7 rotates and the telescopic sleeve rod 3 can be conveniently lifted, the thread groove 4 is connected with the transmission screw 7 in a rotating manner, the transmission screw 7 penetrates through a thread sleeve 13, the transmission screw 7 is connected with the top of a telescopic joint 301 in a rotating manner, the thread sleeve 13 is matched with the transmission screw 7 and can increase the working stroke of the vehicle top, the remote rod 8 is of a bending type structure, the rocking handle 12 is connected with the remote rod 8 in a bolt manner, the remote rod 8 is connected with a mounting frame 1 in a rotating manner, and the remote rod 8 is connected with the bevel gear one 2 key.

The specific implementation process of this embodiment is as follows: when the supporting vehicle roof is required to be used for jacking a small-sized carriage, the supporting vehicle roof is firstly placed at a using position, the top end of the mounting frame 1 is enabled to be over against a to-be-jacked part on the carriage, then jacking of the mounting frame 1 can be achieved under the effects of gear transmission and thread transmission only by rotating the remote rod 8, after the mounting frame 1 is lifted to a normal maximum lifting height, continuous rising of the mounting frame 1 can be achieved through cooperation of the transmission screw 7 and the thread sleeve 13, accordingly, the working stroke of the high supporting vehicle roof is increased, and meanwhile, in order to ensure the stability of the vehicle roof in the lifting process, the stable rising of the supporting vehicle roof is achieved through cooperation of the limiting table 10 and the guide sliding groove 11.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An extendable range trailer top, characterized in that: including dead lever (6), flexible loop bar (3), direction spout (11) and thread bush (13), install dead lever (6) outside flexible loop bar (3), flexible loop bar (3) include telescopic joint (301) and cup joint fixed knot (302) in telescopic joint (301), fixed knot (302) peripheral lateral wall top is provided with spacing platform (10), in telescopic joint (301) with spacing platform (10) department of linking to each other is provided with direction spout (11), install fixed knot (302) top thread bush (13), thread bush (13) are located dead lever (6) top.

2. The extendable trailer roof of claim 1, wherein: telescopic joint (301) with fixed knot (302) sliding connection, spacing platform (10) shaping in on fixed knot (302), spacing platform (10) adopt the loop configuration, spacing platform (10) with direction spout (11) sliding connection, fixed knot (302) with dead lever (6) bolted connection.

3. The extendable trailer roof of claim 1, wherein: the welding of flexible loop bar (3) top has mounting bracket (1), mounting bracket (1) adopts square hollow structure, the welding of dead lever (6) bottom has bottom plate (5).

4. The extendable trailer roof of claim 3, wherein: dead lever (6) upper end middle part shaping has thread groove (4), install drive screw (7) in thread groove (4), drive screw (7) top key-type connection has bevel gear two (9), bevel gear two (9) upper end meshing has bevel gear (2), install telebar (8) in bevel gear (2), rocking handle (12) are installed to telebar (8) one end.

5. The extendable trailer roof of claim 4, wherein: the thread groove (4) is connected with the transmission screw rod (7) in a screwing mode, the transmission screw rod (7) penetrates through the thread sleeve (13), and the transmission screw rod (7) is connected with the top end of the telescopic joint (301) in a rotating mode.

6. The extendable trailer roof of claim 4, wherein: the remote rod (8) is of a bent structure, the rocking handle (12) is connected with the remote rod (8) through bolts, the remote rod (8) is rotatably connected with the mounting frame (1), and the remote rod (8) is connected with the bevel gear I (2) in a key mode.