Turnover drawing type vehicle sleeping berth
The pull-out vehicle sleeper, with its riveted connection and lightweight design, solves the problems of complex structure and high cost of traditional commercial vehicle sleeper berths, and realizes a low-cost, high-reliability vehicle sleeper design that is suitable for vehicles such as commercial vehicles, RVs and trains.
Patent Information
- Application Number
- CN202423154867.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The pull-out and foldable berths of traditional commercial vehicles have a complex structure, many processing steps, high raw material costs, and it is difficult to maintain stable assembly position performance for a long time, resulting in high production costs.
The pull-out mechanism adopts a rotary riveted connection, combined with a lightweight design of aluminum alloy and PHC materials, eliminates the skeleton welding process, and uses a lock hook and pull wire structure to achieve flipping and pulling locking, simplifying the structure and improving continuity and ease of operation.
It reduces production costs, improves the product's long-term reliability and ease of operation, and is suitable for folding berths in a variety of vehicles.
Smart Images

Figure CN223443392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to vehicle accessory technical field, especially involve a kind of turnover pull-out type vehicle bunk. BACKGROUND
[0002] Currently, the structure of pull-out folding bunk of traditional business car is complex, and it has many processing procedures and assembly procedures, high raw material cost, and the performance of assembly position is difficult to keep stable for a long time, which leads to high production cost of product. SUMMARY
[0003] The utility model discloses a simple structure, processing procedure is few, raw material cost is low, the production cost of product is low turnover pull-out type vehicle bunk.
[0004] The utility model discloses a simple structure, processing procedure is few, raw material cost is low, the production cost of product is low turnover pull-out type vehicle bunk.
[0005] A kind of turnover pull-out type vehicle bunk, including bunk support plate, the inside of the bunk support plate is provided with roll-up beam, pull-out mechanism is connected between the bunk support plate and the roll-up beam, the bottom surface of the bunk support plate is fixed with slide, the bottom surface of the roll-up beam is fixed with the slide rail that can be telescopic sliding in the slide, the end of the slide of the roll-up beam outside is provided with the hinge lug or hinge shaft for the turnover of the vehicle bunk, pull-out locking mechanism that the slide side bunk support plate is provided with and limits the movement of slide rail, turnover locking mechanism is provided on the bunk support plate.
[0006] As the further optimization of the above technical scheme, the side of the roll-up beam adjacent to one side of the bunk support plate is provided with an axial strip-shaped groove, and the pull-out mechanism can be partially or wholly received in the strip-shaped groove of the roll-up beam.
[0007] As the further optimization of the above technical scheme, the pull-out mechanism is arranged in two or more groups in the length direction between the bunk support plate and the roll-up beam.
[0008] As the further optimization of the above technical scheme, the specific structure of the pull-out mechanism is that telescopic rods are arranged in the width direction between the bunk support plate and the roll-up beam, and the width between the bunk support plate and the roll-up beam is widened with the elongation of the telescopic rods and narrowed with the shortening of the telescopic rods.
[0009] As the further optimization of the above technical scheme, the specific structure of the pull-out locking mechanism is that a slide rail locking bracket is fixed on the bunk support plate, the slide rail locking bracket is provided with a slide rail lock hook driven to be unlocked by a first pull wire and a first reset spring for automatically resetting the slide rail lock hook to lock a lock pin on the slide rail, a first unlocking handle is arranged on a mounting seat outside the bunk support plate, one end of the first pull wire is connected with the first unlocking handle, and the other end of the first pull wire is connected with the slide rail lock hook.
[0010] As a further optimization of the above technical solution, the first reset spring is a compression spring.
[0011] As a further optimization of the above technical solution, the specific structure of the turnover locking mechanism is that the bunk support plate is fixed with a bunk lock hook support, a bunk lock hook that can be locked on the vehicle body lock shaft and unlocked by a second pull wire is hinged on the lug of the bunk lock hook support through a hinge shaft, the bunk lock hook is arranged on the hinge shaft, a second reset spring that always applies force to the bunk lock hook in the upward locking state is sleeved on the hinge shaft, the second reset spring is a torsion spring, a second unlocking handle is arranged on the mounting seat outside the bunk support plate, one end of the second pull wire is connected with the second unlocking handle and the other end is connected with the bunk lock hook.
[0012] As a further optimization of the above technical solution, the lower part of the slide rail is provided with two or more than two supporting sliding blocks.
[0013] As a further optimization of the above technical solution, the slide rail and the slide rail that can slide in the slide rail are provided with two or more than two sets in the length direction of the bunk support plate and the winding beam.
[0014] The utility model discloses a compared with prior art outstanding advantages are:
[0015] 1. The hinge connection of the pulling mechanism of the utility model all adopts the spin riveting connection of the spin riveting machine, and the pulling mechanism is spin riveted, and then assembled with the winding beam of the bunk and the bunk support plate, thereby improving the continuity of the pulling process, and the hinge structure of the connecting rod is not easy to loosen due to the spin riveting connection, and the product has high durability and reliability.
[0016] 2. Under the premise of keeping the rigidity unchanged, the utility model adopts lightweight design of aluminum alloy material for the key components and PHC material for the bunk support plate, and through thickness, structure, cross section, node sensitivity and sheet metal topology and force transmission path analysis, structural optimization design is carried out, so that the structure of the utility model is simple, the design is optimized, the use of materials is less, the production cost is low, and the passenger safety is high.
[0017] 3. The utility model cancels the skeleton welding process, so that the machining process is less, the development cost is low, the production process is less, and the production efficiency is high.
[0018] 4. The turnover and pulling locking of the utility model adopts the lock hook and pull wire structure, and the turnover handle and pulling handle are arranged outside the bunk, so that the structure is simple and the operation is convenient.
[0019] 5. The utility model is suitable for folding bunks of various vehicles such as business vehicles, motor homes and trains. DRAWINGS
[0020] Fig. 1 It is a three-dimensional schematic diagram of the present utility model.
[0021] Fig. 2 It is a three-dimensional schematic diagram of the pull-out locking mechanism of the utility model.
[0022] Fig. 3 It is a three-dimensional schematic diagram of the flip locking mechanism of the utility model. DETAILED DESCRIPTION
[0023] The present invention will be further described below with reference to the accompanying drawings. Figs. 1-3 :
[0024] A flip-pull-out vehicle berth comprises a berth support plate 11, a winding beam 12 is provided on the inner side of the berth support plate 11, a pulling mechanism 4 is connected between the berth support plate 11 and the winding beam 12, a slide 30 is fixed to the bottom surface of the berth support plate 11, a slide rail 31 which can slide telescopically in the slide 30 is fixed to the bottom surface of the winding beam 12, an articulated ear or articulated shaft 10 for flipping the vehicle berth is provided on the end ear of the slide 30 outside the winding beam 12, a pulling locking mechanism 3 for limiting the movement of the slide rail 31 is provided on the berth support plate 11 on the side of the slide 30, and a flip locking mechanism 8, 9 is provided on the berth support plate 11.
[0025] As a further optimization of the above technical solution, an axial strip groove is provided on the side of the retracting beam 12 adjacent to the berth support plate 11, and the pulling mechanism 4 can be partially or completely retracted into the strip groove of the retracting beam 12.
[0026] As a further optimization of the above technical solution, the pulling mechanism 4 is provided in two or more groups at intervals in the length direction between the berth support plate 11 and the retracting beam 12 .
[0027] As a further optimization of the above technical solution, the specific structure of the pulling mechanism 4 is: a telescopic rod is arranged between the berth support plate 11 and the retracting beam 12, and the width between the berth support plate 11 and the retracting beam 12 becomes wider as the telescopic rod is extended and becomes narrower as the telescopic rod is shortened.
[0028] As a further optimization of the above technical solution, the specific structure of the pull-out locking mechanism 3 is: a slide rail locking bracket 13 is fixed on the berth support plate 11, and the slide rail locking bracket 13 is provided with a slide rail lock hook 14 driven to unlock by the first pull wire 6 and a first reset spring 15 that automatically resets the slide rail lock hook 14 to lock the lock pin 32 on the slide rail 31.
[0029] As a further optimization of the above technical solution, the first return spring 15 is a compression spring.
[0030] As a further optimization of the above technical solution, a first unlocking handle is arranged on the mounting seat outside the bunk support plate 11, one end of the first pull wire 6 is connected with the first unlocking handle 1, and the other end is connected with the slide rail lock hook 14.
[0031] As a further optimization of the above technical solution, the specific structure of the turnover locking mechanism 8, 9 is that the bunk lock hook support 16 is fixed on the bunk support plate 11, the lug of the bunk lock hook support 16 is hinged with the bunk lock hook 17 which can be locked on the vehicle body lock shaft 19 and unlocked by the second pull wire through the hinge shaft, the hinge shaft 10 is sleeved with the second reset spring 18 which always exerts force on the bunk lock hook 17 to lock it in the upward state, the second reset spring 18 is a torsion spring, the second unlocking handle 5 is arranged on the mounting seat outside the bunk support plate 11, one end of the second pull wire 6, 7 is connected with the second unlocking handle 5, and the other end is connected with the bunk lock hook 17.
[0032] As a further optimization of the above technical solution, two or more than two support sliding blocks 33 are arranged at the lower part of the slide rail 31, the support sliding blocks 3 can slide on the slide rod at the lower side of the slide rail 31, and after sliding to the position, the support sliding blocks 3 play a supporting role on the vehicle bunk.
[0033] As a further optimization of the above technical solution, the slide 30 and the slide rail 31 which can slide in and out of the slide 30 are arranged in two or more sets in the length direction of the bunk support plate 11 and the rolling beam 12, and the rolling beam 12 is made of aluminum alloy material.
[0034] The use of the utility model:
[0035] The vehicle bunk turnover device of the utility model is hinged on the vehicle body through the hinge shaft 10 on the hinge lug, and the vehicle body lock shaft 19 for locking the bunk lock hook 17 is arranged on the vehicle body, so that the bunk lock hook 17 can be used to lock the utility model on the vehicle body lock shaft 19 on the vehicle body.
[0036] 1. Realization or operation of turnover function
[0037] (1) Turnover unlocking: turn the turnover unlocking handle 5, drive the bunk lock hook 17 of the turnover locking mechanism 8 / 9 to unlock by the pull wire 6 / 7, and then unlock the vehicle body lock shaft 19, so that the bunk can be turned over;
[0038] (2) Turnover locking: loosen the turnover unlocking handle 5, turn the bunk to the storage position, and the bunk lock hook 17 is automatically hooked on the vehicle body lock shaft 19 under the action of the second reset spring 18, so that the bunk is locked on the vehicle body.
[0039] 2. Realization or operation of pull-out function
[0040] (1) Extension of the pull-out mechanism: move the pull-out unlocking handle 1, and pull the pull-out locking mechanism unlocking slide rail lock hook 14 away from the slide rail 31 on the lock pin 32 through the pull wire 2 to unlock, so that the pull-out bed support plate 11 can be pulled out to the extended use state;
[0041] (2) The contraction of the pull-out mechanism: loosen the unlocking handle 1, and push the pull-out bed support plate 11 inward to the fully contracted state of the pull-out mechanism, and under the reset elastic force of the first reset spring 15, the slide rail lock hook 14 automatically hooks the lock pin 32 on the slide rail 31 to lock, so that the pull-out mechanism is locked in the contracted state.
[0042] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still make simple replacement or modification to the technical solutions or technical features recorded in the foregoing embodiments with similar technology, and these simple replacement or modification does not make the essence of the corresponding technical solution deviate from the spirit and the essence of the technical solutions of the embodiments of the utility model, and still within the protection scope of the utility model.
Claims
1. A flip-pull-out vehicle sleeper, comprising a sleeper support plate, characterized in that: A retracting beam is provided on the inner side of the berth support plate, and a pulling mechanism is connected between the berth support plate and the retracting beam. A slide is fixed to the bottom surface of the berth support plate, and a slide rail that can be telescopically slid in the slide is fixed to the bottom surface of the retracting beam. An articulated ear or an articulated shaft is provided at the end of the slide on the outer side of the retracting beam for flipping the vehicle berth, a pulling locking mechanism for limiting the movement of the slide rail is provided on the berth support plate on the slide side, and a flip locking mechanism is provided on the berth support plate.
2. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: An axial strip groove is provided on the side of the retracting beam adjacent to one side of the berth support plate, and the pulling mechanism can be partially or completely retracted into the strip groove of the retracting beam.
3. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: The pulling mechanism is provided in two or more groups at intervals in the length direction between the berth support plate and the retracting beam.
4. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: The specific structure of the pulling mechanism is that a telescopic rod is arranged between the berth support plate and the retracting beam, and the width between the berth support plate and the retracting beam becomes wider as the telescopic rod is extended and becomes narrower as the telescopic rod is shortened.
5. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: The specific structure of the pull-out locking mechanism is: a slide rail locking bracket is fixed on the berth support plate, a slide rail locking hook driven to unlock by a first pull wire and a first return spring that automatically resets the slide rail lock hook to lock the lock pin on the slide rail are provided in the slide rail locking bracket, a first unlocking handle is provided on the mounting seat on the outer side of the berth support plate, one end of the first pull wire is connected to the first unlocking handle, and the other end is connected to the slide rail locking hook.
6. The flip-pull-out vehicle sleeper according to claim 5, characterized in that: The first return spring is a compression spring.
7. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: The specific structure of the flip locking mechanism is: a berth lock hook bracket is fixed on the berth support plate, and a berth lock hook that can be locked on the vehicle body lock shaft and unlocked by a second pull wire is hinged on the connecting ear of the berth lock hook bracket through a hinge shaft, and a second return spring is mounted on the hinge shaft to force the berth lock hook to always be in an upward locked state. The second return spring is a torsion spring, and a second unlocking handle is provided on the mounting seat on the outer side of the berth support plate. One end of the second pull wire is connected to the second unlocking handle, and the other end is connected to the berth lock hook.
8. The flip-pull-out vehicle sleeper according to claim 1, characterized in that: Two or more supporting sliding blocks are spaced apart at the lower portion of the slide rail.
9. The flip-pull-out vehicle sleeper according to any one of claims 1 to 8, characterized in that: The slideway and the slide rails that can telescopically slide in the slideway are arranged in two or more sets at intervals in the length direction of the berth support plate and the retracting beam.