CN214607240U - Dumper back door sealing structure and dumper - Google Patents

Abstract

The utility model provides a tipper back door seal structure and tipper, seal structure includes: the sealing piece is provided with a sealing body, a sealing fixing part extending along the sealing body to the sealing support direction, and a plurality of cavities extending in the length direction of the sealing body are arranged in the sealing body. The sealing element is arranged on the rear door, the rear door is opened when the cargo is unloaded, and the sealing element is lifted together with the rear door, so that the abrasion of the cargo to the sealing element in the unloading process is avoided, and the service life of the sealing element is prolonged; the sealing support is arranged, so that the firmness of fixing the sealing element is improved; the sealing member has the cavity that a plurality of length direction extend, sets up a plurality of cavities, is favorable to keeping the intensity of sealing member when guaranteeing the leakproofness, is favorable to improving the leakproofness.

Description

Dumper back door sealing structure and dumper

Technical Field

The utility model belongs to the technical field of the tipper, concretely relates to tipper back door seal structure and tipper.

Background

With the development of Chinese economy and social progress, the basic industry of agriculture, forestry, animal husbandry and fishery develops rapidly, the aquatic products in China are rich in resources, and the aquatic products have numerous fresh water resources and very long coastlines and develop rapidly. In order to improve the transportation quantity of the transport vehicle and the unloading speed, the dump truck is adopted to transport aquatic products, which is beneficial to reducing the cost.

Because the dumper is generally used for transporting solids, gaps exist between a carriage and a rear door of the dumper at present, the whole dumper body is not sealed, only large-particle solids can be loaded, fine solids or liquid can leak from gaps of the rear door to cause pollution, solid-liquid mixtures such as sludge and slurry cannot be transported, and the defects that the application range is small, the leakage is serious, and the road safety is affected exist. In order to increase the sealing performance between the rear door and the carriage, the carriage tail part is provided with a sealing strip which is generally square and is connected to the carriage tail part through bonding or bolts, and when the rear door is closed, the rear door is attached to the sealing strip by means of a locking structure to realize the sealing effect.

Although this kind of sealing strip can realize sealed, the effect is not good, and after using a period, because the sealing strip setting is at carriage afterbody, goods and sealing strip constantly rub during the discharge, wearing and tearing sealing strip, sealing strip life is lower.

Disclosure of Invention

The utility model provides a to foretell technical problem, a tipper back door seal structure is provided, and is sealed effectual to avoided the wearing and tearing of unloading in-process to the sealing member, be favorable to having improved life.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a rear door sealing structure of a dump truck comprises: the sealing piece is provided with a sealing body, a sealing fixing part extending along the sealing body to the sealing support direction, and a plurality of cavities extending in the length direction of the sealing body are arranged in the sealing body.

Further, a plurality of the cavities are arranged in parallel.

Furthermore, one end, far away from the sealing support, of the sealing body is a sealing end face, and a plurality of sealing ribs are arranged on the sealing end face.

Further, a plurality of the sealing ribs are arranged in parallel at intervals in the inner and outer directions.

Furthermore, the sealing support is provided with a support body fixedly arranged on the rear door and two folding edge parts which are bent forwards and extend along the inner end and the outer end of the support body, and the support body and the two folding edge parts enclose an accommodating groove for accommodating the sealing fixing part.

Further, the hem portions are obliquely arranged, and the two hem portions are close to each other in the forward direction.

Furthermore, the back door is hinged at the back end of the carriage, and a manual locking structure for closing the back door is arranged between the carriage and the back door.

Furthermore, the manual locking structure is provided with a locking rod hinged on the carriage and a locking groove which is arranged on the rear door and matched with the locking rod.

Furthermore, a locking plate is arranged on the rear door, the locking plate is provided with an extending part which extends out of the rear door, and the extending part is provided with a locking groove.

Further, the locking rod is provided with a rod body matched with the locking groove and a locking head positioned at the rear end of the rod body, and the size of the locking head is larger than that of the locking groove.

Based on foretell tipper back door seal structure, the utility model also provides a tipper has foretell back door seal structure, and is sealed effectual to avoided the wearing and tearing of unloading in-process to the sealing member, be favorable to having improved life.

A dumper comprises a carriage and a rear door which is arranged at the rear end of the carriage in an openable and closable manner, wherein the rear door is provided with the sealing structure.

Compared with the prior art, the sealing element has the advantages that the sealing element is arranged on the rear door, the rear door is opened when unloading, the sealing element is lifted together with the rear door, the abrasion of goods to the sealing element in the unloading process is avoided, and the service life of the sealing element is prolonged; the sealing support is arranged, so that the firmness of fixing the sealing element is improved; the sealing member has the cavity that a plurality of length direction extend, sets up a plurality of cavities, is favorable to keeping the intensity of sealing member when guaranteeing the leakproofness, is favorable to improving the leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a front view of the back door of fig. 1.

Fig. 3 is a front view of fig. 2.

Fig. 4 is a schematic sectional view along a-a in fig. 3.

Fig. 5 is an enlarged front view of the sealing structure of fig. 4.

Fig. 6 is a schematic view of the structure of the sealing bracket of fig. 5.

Fig. 7 is a schematic view of the structure of the sealing member of fig. 5.

Fig. 8 is an enlarged schematic view of the manual locking structure of fig. 1.

Fig. 9 is a rear view of the structure of fig. 1.

Fig. 10 is an enlarged schematic view of a region B in fig. 9.

Fig. 11 is a schematic view of the structure of fig. 11 with the rear door opened.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the embodiments described herein are merely for the purpose of illustrating the invention and are not intended to limit the invention.

In the following description, a detailed structure will be presented for a thorough understanding of the present invention. It is apparent that the practice of the invention is not limited to the specific details known to those skilled in the art. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.

In the description of the present invention, the term "front" is the forward direction of the dump truck in the normal use state, and vice versa "rear", for the convenience of description of the relative position; the direction close to the center of the rear door is taken as 'inner', otherwise, the direction is taken as 'outer'; the terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description and is not to be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 11, a rear door sealing structure 20 of a dump truck is used for sealing between a rear door 14 and a carriage 10, and the rear door 14 is hinged at the rear end of the carriage 10. The self-dumping truck back door sealing structure 20 includes: the sealing device comprises a sealing support 21 fixedly arranged on the back door 14 and a sealing piece 22 positioned on the sealing support 21, wherein the sealing piece 22 is provided with a sealing body 221 and a sealing fixing part 222 extending towards the sealing support 21 along the sealing body 221, a plurality of cavities 223 are arranged in the sealing body 221, and the cavities 223 extend in the length direction of the sealing body 211. By providing the seal 22 on the rear door 14, the rear door 14 is opened when unloading, and the seal 22 is lifted together with the rear door 14, thereby avoiding the abrasion of the seal by the goods during the unloading process and being beneficial to improving the service life of the seal 22; the sealing support 21 is arranged, so that the fixation firmness of the sealing element 22 is improved; the sealing member 22 has a plurality of cavities 223 extending in the longitudinal direction, and the provision of the plurality of cavities 223 is advantageous in maintaining the strength of the sealing member while ensuring the sealing property, and is advantageous in improving the sealing property of the sealing member 22. The plurality of cavities 223 are arranged in parallel.

As shown in fig. 5-7, an end of the sealing body 221 away from the sealing support 21 is a sealing end surface, and a plurality of sealing ribs 224 are disposed on the sealing end surface, which is beneficial to further improving the sealing effect. The plurality of sealing ribs 224 are arranged in parallel at intervals in the inner and outer directions, and after the rear door 14 is closed, the sealing ribs 224 contact with the compartment 10 to form multi-layer sealing in the inner and outer directions, so that the sealing effect is improved.

The seal holder 21 has a holder body 211 fixedly mounted on the back door 14, and two folded portions 212 folded and extended forward along inner and outer ends of the holder body 211, and the holder body 211 and the two folded portions 212 enclose an accommodation groove 213 for accommodating the seal holder 222. The sealing support 21 is arranged, so that the firmness of fixing the rear door is improved, and the containing groove 213 is arranged, so that the firmness of the fixed sealing element 22 is improved; and to improve the speed and efficiency of installation of the seal 21. The two flange portions 212 are disposed obliquely, and the two flange portions 212 are close to each other in the forward direction, so as to facilitate forming the closing structure of the receiving groove 213 and improve the firmness of the sealing member 22 after being fixed.

As shown in fig. 8-11, the rear door 14 is provided with a driving structure 40 for opening or closing the rear door 14, and the driving structure 40 is a hydraulic cylinder. The rear door 14 is hinged at the rear end of the carriage, and in order to further increase the stability of the closed rear door 14, a manual locking structure for closing the rear door 14 is arranged between the carriage 10 and the rear door 14; the manual locking structure 30 is operated to lock the rear door 14 after the driving structure 40 drives the rear door 14 to be closed; then, the driving structure 40 is closed, so that the driving structure 40 is prevented from being driven all the time, and the energy is saved; meanwhile, the manual locking structure 30 is beneficial to ensuring the tight closing state of the rear door 14 and the sealing property between the rear door 14 and the carriage 10.

The manual lock structure 30 includes a lock lever 31 hinged to the vehicle compartment 10, and a lock groove 322 provided in the rear door 14, and the lock lever 31 is rotatably engaged and fixed in the lock groove 322.

The locking plate 32 is provided on the rear door 14, and the locking plate 32 has an extension portion 321 extending outward from the rear door 14, and a locking groove 322 is formed on the extension portion 321. The locking lever 31 has a lever body 311 matching the locking groove 322, a locking head 312 at the rear end of the lever body 311, the locking head 312 having a size larger than that of the locking groove 322.

The above is only the feasible embodiment of the preferred of the present invention, not limiting the protection scope of the present invention, all the changes of the equivalent structure made by the contents of the specification and the drawings of the present invention are included in the protection scope of the present invention.

Claims (10)

1. A self-discharging car back door seal structure which is characterized in that, comprising: the sealing piece is provided with a sealing body, a sealing fixing part extending along the sealing body to the sealing support direction, and a plurality of cavities extending in the length direction of the sealing body are arranged in the sealing body.

2. The seal structure of claim 1, wherein a plurality of said cavities are arranged in parallel.

3. The seal structure of claim 1, wherein an end of the seal body away from the seal holder is a seal end face, and a plurality of seal ribs are disposed on the seal end face.

4. The seal structure according to claim 3, wherein a plurality of the seal ribs are arranged in parallel at intervals in an inner and outer direction.

5. The seal structure according to any one of claims 1 to 4, wherein the seal holder has a holder body fixed to the rear door, two flange portions extending along inner and outer ends of the holder body and bent forward, and the holder body and the two flange portions define a receiving groove for receiving the seal fixing portion.

6. A sealing arrangement according to claim 5, wherein the hem portions are obliquely arranged, the two hem portions being adjacent one another in the forward direction.

7. The seal structure according to any one of claims 1 to 4, characterized in that the rear door is hinged at a rear end of a vehicle compartment, and a manual locking structure for achieving closing of the rear door is provided between the vehicle compartment and the rear door.

8. The seal structure according to claim 7, characterized in that the manual lock structure has a lock lever hinged on a side panel of the vehicle compartment, a lock groove provided on the rear door and matching with the lock lever.

9. The seal structure of claim 8, wherein a locking plate is provided on the rear door, the locking plate having an extension portion extending outwardly of the rear door, the locking groove being provided on the extension portion.

10. A dump truck comprising a vehicle body and a rear door provided at a rear end of the vehicle body so as to be openable and closable, wherein the rear door is provided with a seal structure according to any one of claims 1 to 9.

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