Novel awning tightening device of van type side curtain semitrailer

Abstract

A novel awning tightening device of a van type side curtain semitrailer comprises a shell, a rotating shaft is arranged in the shell in a rotatable mode, the rotating shaft is sleeved with a star wheel synchronously rotating along with the rotating shaft, and the end, extending out of the shell, of the rotating shaft is connected with a square rod; a handle is further arranged in the shell, an empty groove is formed in the middle of the handle, a driving assembly is arranged in the empty groove in a rotatable mode, and when the handle is pulled, the star wheel rotates by a plurality of angles through the driving assembly and keeps the state; by means of the star wheel and the top plate with the torsion spring, the star wheel can be jacked by small force to rotate, use is convenient, and tensioning is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of side curtain van semi-trailer, more particularly to a novel side curtain van semi-trailer tight cover device. BACKGROUND

[0002] The side curtain and the roof of the side curtain van semi-trailer can be opened to form an open space on the side, so that the side curtain van semi-trailer can load goods on the side, has the characteristics of light self-weight, convenient loading and unloading, and high loading and unloading efficiency, and is an ideal choice for transporting trayized goods such as chemical plastic particles, beer and beverages.

[0003] The tight cover device needs to be rolled by a large force due to the large tension of the side curtain during use, is inconvenient to use, and is subjected to a large stress. UTILITY MODEL CONTENTS

[0004] One advantage of the utility model lies in providing a novel side curtain van semi-trailer tight cover device, which can hold the star wheel and make it rotate by a small force through the star wheel and the top plate with a torsional spring, is convenient to use, and is stable in tension.

[0005] To achieve the above at least one advantage of the utility model, the utility model provides a novel side curtain van semi-trailer tight cover device, which comprises a shell, a rotating shaft is arranged in the shell in a rotatable manner, a star wheel that rotates synchronously with the rotating shaft is arranged on the rotating shaft in a sleeved manner, and a square rod is connected to one end of the rotating shaft that is transmitted out of the shell; a handle is further arranged in the shell, a hollow slot is arranged in the middle of the handle, a driving assembly is arranged in the hollow slot in a rotatable manner, and the star wheel is rotated by a certain angle and kept in this state through the driving assembly when the handle is pulled.

[0006] According to one embodiment of the utility model, the upper part of the shell is provided with a shaft sleeve, the rotating shaft passes through the shaft sleeve and is connected with the square rod.

[0007] According to one embodiment of the utility model, the end part of the handle is provided with two connecting rods, the end part of the connecting rod is provided with a through hole, and the rotating shaft passes through the through hole.

[0008] According to one embodiment of the utility model, the driving assembly comprises the star wheel, and the star wheel is located between the two connecting rods.

[0009] According to one embodiment of the utility model, the outer side of the star wheel is provided with a plurality of tooth surfaces, and the tooth surfaces comprise a first wheel surface and a second wheel surface.

[0010] According to one embodiment of the utility model, a pin shaft is further arranged in the shell, a top plate is arranged on the pin shaft in a sleeved manner, and one end of the top plate abuts against the first wheel surface.

[0011] According to one embodiment of the utility model, a torsional spring is arranged between the pin shaft and the top plate.

[0012] According to the utility model one embodiment, the corresponding position of shell and handle is provided with clamping hole, the inside of clamping hole is provided with limiting rod in the way of pluggable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structure schematic drawing of the utility model;

[0014] Figure 2 It is the side view structure schematic drawing of the utility model;

[0015] In the drawing, 1, handle, 2, shell, 3, connecting rod, 4, torsional spring, 5, top plate, 6, shaft sleeve, 7, rotating shaft, 8, square bar, 9, pin shaft, 10, star wheel, 11, limiting rod, 12, first wheel surface, 13, second wheel surface. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantage of the utility model clearer, the following will combine the drawings of the utility model with the specific implementation of the utility model. Figure 1 ~ attached Figure 2 The utility model is described in more detail.

[0017] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be applied to other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0018] Those skilled in the art should understand that in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, the above-mentioned terms cannot be understood as a limitation on the utility model.

[0019] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0020] The utility model provides a utility model provides a novel van side curtain semi trailer tight cover ware, including casing 2, the rotatable mode is provided with the pivot 7 in casing 2, the star wheel 10 of synchronous rotation with pivot 7 is set up on pivot 7, and the square bar 8 is connected to the end of pivot 7 transmission casing 2, the handle 1 is still set up in casing 2, the middle part of handle 1 is provided with the air slot, and the rotatable mode is provided with the drive assembly in the air slot, when handle 1 is pulled, makes the star wheel 10 rotate a few angles and keeps this state through drive assembly, the upper portion of casing 2 is provided with the shaft sleeve 6, and pivot 7 passes through from the shaft sleeve 6 and is connected with square bar 8, the end of handle 1 is provided with two connecting rods 3, and the end of connecting rod 3 is provided with the through hole, and pivot 7 passes through from the through hole, the star wheel 10 is located between two connecting rods 3, the outside of star wheel 10 is provided with a plurality of tooth surfaces, and the tooth surface includes the first wheel surface 12 and the second wheel surface 13, the pin shaft 9 is still set up in casing 2, the top plate 5 is set up on pin shaft 9, and one end of top plate 5 is supported on the first wheel surface 12, the torsional spring 4 is set up between pin shaft 9 and top plate 5, the corresponding position of casing 2 and handle 1 is provided with the detent through hole, and the limit rod 11 is set up in the detent through hole in the way of pluggable.

[0021] The utility model discloses an embodiment one as follows:

[0022] A novel van side curtain semi trailer tight cover ware, including casing 2, the rotatable mode is provided with the pivot 7 in casing 2, the star wheel 10 of synchronous rotation with pivot 7 is set up on pivot 7, and the square bar 8 is connected to the end of pivot 7 transmission casing 2, the handle 1 is still set up in casing 2, the middle part of handle 1 is provided with the air slot, and the rotatable mode is provided with the drive assembly in the air slot, when handle 1 is pulled, makes the star wheel 10 rotate a few angles and keeps this state through drive assembly, the upper portion of casing 2 is provided with the shaft sleeve 6, and pivot 7 passes through from the shaft sleeve 6 and is connected with square bar 8, the end of handle 1 is provided with two connecting rods 3, and the end of connecting rod 3 is provided with the through hole, and pivot 7 passes through from the through hole, the star wheel 10 is located between two connecting rods 3, the outside of star wheel 10 is provided with a plurality of tooth surfaces, and the tooth surface includes the first wheel surface 12 and the second wheel surface 13, the pin shaft 9 is still set up in casing 2, the top plate 5 is set up on pin shaft 9, and one end of top plate 5 is supported on the first wheel surface 12, the torsional spring 4 is set up between pin shaft 9 and top plate 5, the corresponding position of casing 2 and handle 1 is provided with the detent through hole, and the limit rod 11 is set up in the detent through hole in the way of pluggable.

[0023] The outer side of the star wheel 10 is provided with a plurality of tooth surfaces, the tooth surfaces include a first wheel surface 12 and a second wheel surface 13, the first wheel surface 12 and the second wheel surface 13 have a certain angle, the length of the first wheel surface 12 is greater than that of the second wheel surface 13, the housing 2 is further provided with a pin shaft 9, the pin shaft 9 is sleeved with a top plate 5, one end of the top plate 5 abuts against the first wheel surface 12, a torsion spring 4 is arranged between the pin shaft 9 and the top plate 5, the torsion spring 4 makes the top plate 5 have a rotating tendency, the end of the top plate 5 abuts against the first wheel surface 12, when the handle 1 is pulled, the end of the top plate 5 between the two connecting rods 3 of the handle 1 is positioned on the second wheel surface 13, so that the star wheel 10 rotates, the handle 1 is pulled in the opposite direction, the end of the top plate 5 slides along the first wheel surface 12 and moves to the next second wheel surface 13, the handle 1 is pulled again, and the above steps are repeated, so that the star wheel 10 rotates continuously, thereby driving the shaft rod to rotate and tightening the side curtain.

[0024] The corresponding positions of the housing 2 and the handle 1 are provided with clamping holes, the clamping holes are internally provided with a limiting rod 11 in a plug-in manner, the handle 1 can be locked, at the same time, the top plate 5 abuts against the second wheel surface 13, so that the star wheel 10 cannot rotate in the opposite direction, thereby ensuring that the shaft rod is locked.

[0025] The handle 1 is long, according to the lever principle, a smaller force can achieve a larger torque.

[0026] It should be noted that the terms "first", "second" and "third" in the present application are only used for description purposes, and do not represent any order, and cannot be understood as indicating or implying relative importance, and the terms can be interpreted as names.

[0027] It should be understood by those skilled in the art that the above description and the embodiments of the present application shown in the drawings are only examples and do not limit the present application. The advantages of the present application have been completely and effectively realized. The functions and structural principles of the present application have been shown and described in the embodiments, and the embodiments of the present application can be any deformation or modification without departing from the principles.

Claims

1. A novel tightener for a van side curtain semi-trailer, characterized by: The utility model provides a kind of star wheel, including shell, rotatable mode is arranged with rotating shaft inside the shell, the rotating shaft is set with star wheel synchronous rotation with rotating shaft, the rotating shaft is connected with square bar out of shell;The inside of the shell is further provided with handle, the middle part of the handle is provided with empty slot, rotatable mode is arranged with drive assembly in the empty slot, when handle is pulled, star wheel is rotated by drive assembly several degrees and keeps this state.

2. The novel van side curtain semi-trailer hardtopper of claim 1, characterized by: The upper portion of the shell is provided with a shaft sleeve, and the rotating shaft passes through the shaft sleeve and is connected with the square rod.

3. The novel van side curtain semi-trailer hardtopper of claim 1, wherein: The end of the handle is provided with two connecting rods, the end of the connecting rod is provided with a through hole, and the rotating shaft passes through the through hole.

4. The novel van side curtain semi-trailer hardtopper of claim 3, characterized by: The drive assembly includes a star wheel between the two connecting rods.

5. The novel van side curtain semi-trailer hardtopper of claim 4, characterized by: The outer side of the star wheel is provided with a plurality of tooth surfaces, including a first wheel surface and a second wheel surface.

6. The novel van side curtain semi-trailer hardtopper of claim 5, characterized by: The inside of the shell is further provided with a pin shaft, the pin shaft is provided with a top plate, one end of the top plate abuts against the first wheel surface.

7. The novel van side curtain semi-trailer hardtopper of claim 6, characterized by: A torsion spring is provided between the pin shaft and the top plate.

8. The novel van side curtain semi-trailer hardtopper of claim 1, wherein: The corresponding positions of the shell and the handle are provided with a clamping hole, and the inside of the clamping hole is provided with a limiting rod in a plug-in manner.

Images