CN216969233U

CN216969233U - Pull type motor home with buffering capacity

Info

Publication number: CN216969233U
Application number: CN202220901112.4U
Authority: CN
Inventors: 沈玮琦
Original assignee: Baoju Special Vehicle Manufacturing Shanghai Co ltd
Current assignee: Baoju Special Vehicle Manufacturing Shanghai Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-15
Anticipated expiration: 2032-04-19

Abstract

The application discloses a pull type caravan with buffering capacity, which relates to the technical field of pull type caravans and comprises a caravan body and a buffering connecting assembly, wherein a mounting groove is formed in the head part of the caravan body; the buffering connecting assembly comprises a hydraulic telescopic column, a connecting assembly and a plurality of transverse buffering units, each transverse buffering unit comprises a sliding rod, a sliding block and a first spring, one end of each sliding rod is connected with the second end of the hydraulic telescopic column, the other end of each sliding rod is connected with the groove wall of the mounting groove, the sliding blocks are sleeved on the sliding rods in a sliding mode, the first springs are sleeved on the sliding rods, one ends of the first springs are connected with the sliding blocks, and the other ends of the first springs are connected with the groove walls of the mounting grooves; coupling assembling includes the connecting rod, and the second end of connecting rod is articulated with the slider, and the first end of connecting rod is articulated with the outer wall of the first end of hydraulic telescoping post. This application is through the cooperation of hydraulic stretching post with horizontal buffer unit for the car as a house body possesses the buffer capacity, has increased the security of using.

Description

Pull type motor home with buffering capacity

Technical Field

The application relates to the technical field of pull type motor homes, in particular to a pull type motor home with buffering capacity.

Background

The pull type motor home is a motor home, and different from a self-propelled motor home, the pull type motor home has no power, and needs an additional vehicle to carry out pull type running on the pull type motor home.

Because the mass of pull type car as a house is great, if the speed of pulling the vehicle is too fast during the pulling and running, when braking, the pull type car as a house will have great impact force to the front car because of inertia, and the existing pull type car as a house has no buffer capacity at the position of the pull type car as a house, so that the position of the pull type car as a house is in the hard butt state which is easy to damage when impact occurs, and great potential safety hazards are buried.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main aim at provides a pull type car as a house with buffer capacity, aims at solving the problem that pull type car as a house does not possess buffer capacity among the prior art.

The technical scheme adopted by the application is as follows:

a trailer-type motor home with cushioning capability comprising:

the car as a house body, the car head part of the car as a house body is provided with an installation groove;

a buffer connecting assembly, which comprises a hydraulic telescopic column, a connecting assembly and a plurality of transverse buffer units, wherein,

the transverse buffer units are distributed in an annular array around the axis of the hydraulic telescopic column and comprise sliding rods, sliding blocks and first springs, one ends of the sliding rods are connected with the second ends of the hydraulic telescopic column, the other ends of the sliding rods are connected with the groove wall of the mounting groove, the sliding blocks are sleeved on the sliding rods in a sliding mode, the first springs are sleeved on the sliding rods, one ends of the first springs are connected with the sliding blocks, and the other ends of the first springs are connected with the groove wall of the mounting groove;

the second end of the hydraulic telescopic column is connected with the bottom of the mounting groove;

the coupling assembling includes the connecting rod, and the second end and the slider of connecting rod are articulated, and the first end of connecting rod is articulated with the outer wall of the first end of hydraulic telescoping post.

Optionally, the connecting assembly further includes a sleeve with a closed bottom and a second spring, the sleeve is slidably sleeved with the connecting rod, the second spring is disposed in the inner tube of the sleeve, the second end of the connecting rod is connected with one end of the second spring, the other end of the second spring is connected with the bottom of the inner tube of the sleeve, and the second end of the sleeve is hinged to the sliding block.

Optionally, the connecting assembly further comprises a push plate, the push plate is slidably disposed in the inner tube of the sleeve, one side of the push plate is connected with the connecting rod, and the other side of the push plate is connected with the second spring.

Optionally, the buffering connecting assembly further comprises a connecting block, the first end of the hydraulic telescopic column is connected with the connecting block, and the first end of the connecting rod is hinged to the connecting block.

Optionally, the buffering connection assembly further comprises a supporting portion, the supporting portion comprises a folding rod, and the first end of the folding rod is connected with the connection block.

Optionally, the supporting portion further includes a roller disposed on the second end of the folding bar.

Optionally, the pull-type car as a house still includes a plurality of parking supporting parts, and the parking supporting part sets up respectively around the bottom of car as a house body.

Optionally, the parking supporting part comprises a mounting seat, a supporting rod and a supporting cushion block, the mounting seat is hinged to the motor home body, one end of the supporting rod is connected with the mounting seat, and the other end of the supporting rod is connected with the supporting cushion block.

Optionally, the supporting rod is a threaded rod, and one end of the supporting rod is in threaded connection with the mounting seat.

Optionally, a rubber pad is arranged at the bottom of the parking support part.

Compared with the prior art, the beneficial effects of this application are:

the embodiment of the application provides a pull type caravan with buffering capacity, a mounting groove is formed in a caravan body and used for arranging a buffering connecting assembly, a second end of a hydraulic telescopic column of the buffering connecting assembly is connected with the groove bottom of the mounting groove, a first end of the hydraulic telescopic column is connected with a tractor, when the tractor brakes, the caravan body exerts impact force on the hydraulic telescopic column due to inertia to enable the hydraulic telescopic column to be compressed to achieve the purpose of buffering, when the hydraulic telescopic column retracts, the lateral wall of the first end of the hydraulic telescopic column cooperates with the movement of the hydraulic telescopic column through a transverse buffering unit connected with the connecting assembly to perform buffering and damping, the connecting assembly drives a sliding block to move on a sliding rod and enables the sliding block to slide in the direction far away from the hydraulic telescopic column, at the moment, a first spring is compressed to realize transverse sharing and buffering and absorption of impact force, and after the state is recovered stably, the hydraulic telescopic column moves back, so that the first spring restores to the original length and drives the sliding block to move towards the direction close to the hydraulic telescopic column to prepare for the next buffering.

Drawings

Fig. 1 is a schematic structural diagram of a trailer caravan with buffering capability according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a trailer type caravan with buffering capacity provided by the embodiment of the application when the trailer type caravan is towed by a towing vehicle;

fig. 3 is a schematic top view of a trailer caravan with buffering capability according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a buffering connection assembly in a trailer with buffering capability according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a connecting assembly in a trailer type caravan with buffering capability according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a parking support portion in a trailer type motor home with buffering capability according to an embodiment of the present application;

reference numerals in the drawings indicate:

10-a motor home body, 11-a buffer connecting assembly, 111-a hydraulic telescopic column, 112-a connecting assembly, 1121-a connecting rod, 1122-a second spring, 1123-a sleeve, 1124-a push plate, 113-a transverse buffer unit, 1131-a sliding rod, 1132-a sliding block, 1133-a first spring, 114-a connecting block, 115-a supporting part, 12-a tractor, 13-a parking supporting part, 131-a mounting seat, 132-a supporting rod, 133-a supporting cushion block and 134-a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1 to 6, the embodiment of the present application provides a trailer type caravan with buffering capability, including a caravan body 10 and a buffering connection assembly 11, where a mounting groove is formed at a car head portion of the caravan body 10, the buffering connection assembly 11 includes a hydraulic telescopic column 111, a connection assembly 112, and a plurality of transverse buffering units 113, where the transverse buffering units 113 are distributed in an annular array around an axis of the hydraulic telescopic column 111, the transverse buffering units 113 include a sliding rod 1131, a sliding block 1132, and a first spring 1133, one end of the sliding rod 1131 is connected to a second end of the hydraulic telescopic column 111, the other end of the sliding rod 1131 is connected to a groove wall of the mounting groove, the sliding block 1132 is slidably sleeved on the sliding rod 1131, the first spring 1133 is sleeved on the sliding rod 1131, one end of the first spring 1133 is connected to the sliding block 1132, and the other end of the first spring 1133 is connected to a groove wall of the mounting groove; the second end of the hydraulic telescopic column 111 is connected with the bottom of the mounting groove; the connecting assembly 112 includes a connecting rod 1121, a second end of the connecting rod 1121 is hinged to the slider 1132, and a first end of the connecting rod 1121 is hinged to an outer wall of a first end of the hydraulic telescopic column 111.

In the prior art, in order to ensure that the caravan has better capability of rotating along with a tractor when being dragged, and the caravan body can be quickly separated from/pulled by the tractor, the caravan body can be connected through a connecting structure with a certain activity space, as in the present application, the first end of the hydraulic telescopic column 111 may be connected to the suspension loop by using a jean type coupler or a matching hook, and similarly, there is a certain moving space between two parts of the jean type coupler which are matched with each other, and the hook can also have a certain displacement space in the suspension loop to ensure the flexibility of steering, when a brake is actuated, and a large impact force is applied to the connecting part, the parts of the connecting part collide with each other under relative movement, so that the parts are easily damaged, the embodiment of the application reduces the impact strength through buffering, so that the impact force transmitted to the connecting part is reduced, and the connecting part can be kept in the bearing range of the component.

In this embodiment, by providing the hydraulic telescopic column 111 and the transverse buffer unit 113 to cooperate with each other, the hydraulic telescopic column 111 buffers and absorbs the impact in the alignment direction, and when compressing and absorbing, the transverse buffer unit 113 assists in buffering in the lateral direction, and the connecting assembly 112 connects the hydraulic telescopic column 111 and the transverse buffer unit 113 to realize the synchronous motion. The number of the lateral buffer units 113 is 2-4, and multi-directional assistance capability is realized in the case of as few as possible, and the lateral size of the head part is sufficient in consideration of the structure of the vehicle, so that the number of the buffer units 113 is 2, and the slide bars 1131 of the lateral buffer units 113 are horizontally arranged in the mounting grooves. In the embodiment of the present application, the first end and the second end are based on the reference shown in fig. 5, and the upper end of the component is the first end thereof, and the lower end thereof is the second end thereof.

If the tractor 12 brakes during driving, the caravan body 10 pulled behind impacts the buffer connection assembly 11 forward due to inertia, at this time, the hydraulic telescopic column 111 is compressed to shorten, the connecting rod 1121 of the connection assembly 112 is driven to pull the slider 1132 to slide on the sliding rod 1131 and to move away from the hydraulic telescopic column 111 during shortening, at this time, the first spring 1133 is compressed to further assist in absorbing impact force, the synergistic effect of the two aspects can effectively absorb the inertial impact force during the traction process, so as to ensure the driving safety, after the buffer is completed, the compressed second spring 1133 recovers the original length, and the hydraulic telescopic column 111 extends synchronously, so that each component of the buffer connection assembly 11 returns to the initial position, and the buffer for the next impact is prepared.

In one embodiment, as shown in fig. 5, the connection assembly 112 further includes a sleeve 1123 with a closed bottom and a second spring 1122, the sleeve 1123 is slidably sleeved on the rod 1121, the second spring 1122 is disposed in an inner tube of the sleeve 1123, a second end of the rod 1121 is connected to one end of the second spring 1122, another end of the second spring 1122 is connected to a bottom of the inner tube of the sleeve 1123, and a second end of the sleeve 1123 is hinged to the slider 1132.

In this embodiment, in the process of extension, the shortening of hydraulic stretching post 111, inevitable can cause certain pulling to coupling assembling 112, set up as above and make coupling assembling 112 self also possess certain buffer capacity, when the one end of coupling assembling 112 moves along with hydraulic stretching post 111, when its transmission pulling force gives slider 1132, need pass through the one end of connecting rod 1121 pulling second spring 1122, pulling force removes through its second end pulling sleeve pipe 1123 after passing through second spring 1122 self transmission, thereby realize the pulling of slider 1132, make coupling assembling 112's moving capability stronger, in the pulling process, coupling assembling 112 has an adaptive accommodation process, can make the smooth transmission of pulling force.

Further, as shown in fig. 5, in order to increase the force bearing surface between the connection rod 1121 and the second spring 1122 during the movement process and prevent the connection rod 1121 from falling off from the sleeve 1123, a structure of the push plate 1124 is increased, specifically, the connection assembly 112 further includes a push plate 1124, the push plate 1124 is slidably disposed in the inner tube of the sleeve 1123, one side of the push plate 1124 is connected to the connection rod 1121, the other side of the push plate 1124 is connected to the second spring 1122, the diameter of the push plate 1124 is equal to the inner diameter of the sleeve 1123, and the diameter of the connection rod 1121 is smaller than the inner diameter of the sleeve 1123, so that the push plate 1124 cannot move continuously when being dragged to the opening of the sleeve 1123, thereby preventing the connection rod 1121 from falling off.

In an embodiment, as shown in fig. 3 and 4, the buffering connection assembly 11 further includes a connection block 114, a first end of the hydraulic telescopic column 111 is connected to the connection block 114, a first end of the connection rod 1121 is hinged to the connection block 114, the hydraulic telescopic column 111 and one end of the connection rod 1121 are integrally disposed on the regular connection block 114, and a towing component, such as a trailer hook and a jensen type coupler, can be conveniently disposed through the connection block 114.

In one embodiment, as shown in fig. 1, the buffer connection assembly 11 further includes a support portion 115, the support portion 115 includes a folding rod, a first end of the folding rod is connected to the connection block 114, after the support portion 115 is added, the caravan body 10 can still be parked after being separated from the tractor 12, and temporary parking, exhibition and the like are realized, when traction is required, the caravan body 10 is dragged and hung, that is, the folding rod is folded and retracted, so that normal dragging and hanging running is not affected, further, the support portion 115 further includes a roller, the roller is disposed at a second end of the folding rod, mobility of the caravan body 10 itself is improved by adding the roller, and participation of the tractor 12 is not required during movement within a small range.

In an embodiment, as shown in fig. 2 and 6, the pull type recreational vehicle further comprises a plurality of parking supporting portions 13, the parking supporting portions 13 are respectively arranged around the bottom of the recreational vehicle body 10, according to actual use conditions, the recreational vehicle body 10 generally needs to separate the rest of the tractors 12 when in use, the stability of parking is improved through the parking supporting portions 13 in the embodiment of the present application, the parking supporting portions 13 are like electric telescopic rods and mechanical lifting foot pads, stretching and retracting can be achieved, the recreational vehicle body 10 is jacked up when in use, the chassis height of the recreational vehicle is improved, and the parking supporting portions shrink when not in use, and normal traction driving is not affected.

In one embodiment, as shown in fig. 6, a mechanical lifting foot pad is provided, and specifically, the parking support part 13 includes a mounting seat 131, a supporting rod 132 and a supporting pad 133, the mounting seat 131 is hinged to the caravan body 10, one end of the supporting rod 132 is connected to the mounting seat 131, the other end of the supporting rod 132 is connected to the supporting pad 133, the supporting rod 132 is a threaded rod, one end of the supporting rod 132 is in threaded connection with the mounting seat 131, the height of the whole parking support part 13 can be adjusted by connecting the support rod 132 with the screw thread, so as to jack up the caravan body 10, the stress area can be increased by the support cushion block 133, the parking stability is improved, and the mounting seat 131 is hinged with the caravan body 10, the mounting seat 131 can be rotated through the hinged part, the parking support part 13 is retracted and hidden under the chassis of the caravan body 10 in a rotating manner, and normal running is not affected.

In an embodiment, the rubber pad 134 is disposed at the bottom of the parking supporting portion 13, and the rubber pad 134 with certain elasticity is disposed, so that the bottom of the parking supporting portion 13 can be prevented from being in hard contact with uneven ground, the parking stability is reduced, friction with the ground can be increased, and the parking stability is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A trailer-type motor home with buffering capacity, comprising:

a buffer connection assembly including a hydraulic telescopic column, a connection assembly, and a plurality of lateral buffer units, wherein,

the transverse buffering units are distributed in an annular array around the axis of the hydraulic telescopic column and comprise a sliding rod, a sliding block and a first spring, one end of the sliding rod is connected with the second end of the hydraulic telescopic column, the other end of the sliding rod is connected with the groove wall of the mounting groove, the sliding block is sleeved on the sliding rod in a sliding mode, the first spring is sleeved on the sliding rod, one end of the first spring is connected with the sliding block, and the other end of the first spring is connected with the groove wall of the mounting groove;

coupling assembling includes the connecting rod, the second end of connecting rod with the slider is articulated, the first end of connecting rod with the outer wall of the first end of hydraulic telescoping post is articulated.

2. The trailer-type caravan with buffering capacity according to claim 1, wherein the connecting assembly further comprises a sleeve with a closed bottom and a second spring, the sleeve is sleeved with the connecting rod, the second spring is arranged in the inner tube of the sleeve, the second end of the connecting rod is connected with one end of the second spring, the other end of the second spring is connected with the bottom of the inner tube of the sleeve, and the second end of the sleeve is hinged to the sliding block.

3. The trailed caravan with buffering capacity according to claim 2, wherein the connection assembly further comprises a push plate, the push plate is slidably disposed in the inner tube of the sleeve, one side of the push plate is connected with the connecting rod, and the other side of the push plate is connected with the second spring.

4. The trailed caravan with buffering capacity according to claim 1, wherein the buffering connection assembly further comprises a connection block, the first end of the hydraulic telescopic column is connected with the connection block, and the first end of the connection block is hinged with the connection block.

5. The trailer caravan with buffering capability according to claim 4, wherein the buffering connection assembly further comprises a support portion, the support portion comprises a folding rod, and a first end of the folding rod is connected with the connection block.

6. The trailer caravan having buffering capability according to claim 5, wherein the supporting portion further comprises a roller provided on the second end of the folding bar.

7. The trailer-type motor home with buffering capacity according to claim 1, further comprising a plurality of parking support parts respectively disposed around the bottom of the motor home body.

8. The trailer type caravan with buffering capacity as claimed in claim 7, wherein said parking support part comprises a mounting seat, a support rod and a support cushion block, said mounting seat is hinged with said caravan body, one end of said support rod is connected with said mounting seat, and the other end of said support rod is connected with said support cushion block.

9. The trailer-type caravan with buffering capacity as claimed in claim 8, wherein the supporting rod is a threaded rod, and one end of the supporting rod is in threaded connection with the mounting seat.

10. The trailer-type caravan with buffering capability according to claim 7, wherein a rubber pad is arranged at the bottom of the parking support part.