Automobile door transfer cart
By designing an adjustable support component and limiter for the car door transfer trolley, the problems of low equipment reuse rate and poor door stability were solved. It was able to adapt to different car models' door heights and tilt angles, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520488556.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing car door transfer devices cannot adapt to the differences in height and tilt angle of different car models, resulting in low equipment reuse rate. Furthermore, the lack of effective limit on the top of the door makes the door prone to displacement or overturning during transfer, affecting production efficiency and product quality.
A car door transfer trolley has been designed, comprising a movable support component and an adjustable limiting component. The support component has an adjustable spacing to accommodate different car models, and the limiting component limits the top of the car door through a slider and a locking component to ensure the stability of the car door.
It improves the reusability of equipment, prevents doors from shifting or tipping over during transport, enhances production efficiency and product quality, and strengthens the versatility and adaptability of the trolley.
Smart Images

Figure CN223949172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a transfer trolley technical field, specifically is related to a car door transfer trolley. BACKGROUND
[0002] In the production process of the automobile assembly workshop, the transfer of the door parts is a key process involving coating, quality detection, warehousing and other links. At present, the industry generally adopts the transfer mode of manual trolley combined with simple supports, and the specific mode is to set a plurality of support rods at equal intervals in the length direction of the transfer trolley, and to carry the door parts through the mounting positions formed by adjacent support rods. Under this configuration, the bottom of the door is directly placed on the trolley platform, and the side of the door leans against the support rod. However, the support rod of the traditional trolley is integrally welded with the vehicle body, and cannot adapt to the height and inclination angle differences of different vehicle doors, resulting in the need for special trolleys for each vehicle model, low equipment reuse rate. In addition, the existing transfer device lacks effective limiting of the top of the door, and under vehicle turning or emergency braking conditions, the door is prone to displacement or even overturning, which not only increases the risk of door damage, but also seriously affects production efficiency and product quality. SUMMARY
[0003] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and to provide a car door transfer trolley capable of adjusting the inclination angle of different doors.
[0004] To achieve the above purpose, one technical scheme of the utility model is to provide a car door transfer trolley, which comprises a vehicle frame and side stop supports arranged at both ends of the vehicle frame, a plurality of support assemblies are arranged at intervals along the length direction of the vehicle frame between the two side stop supports, an installation position for placing a door is formed between two adjacent support assemblies, any support assembly can move along the length direction of the vehicle frame to adjust the distance between the two adjacent support assemblies, and a limiting piece for limiting the top end of the door is further arranged on the support assembly.
[0005] Further, a bottom plate is arranged on the vehicle frame, a plurality of connecting rods are arranged at intervals between the top ends of the two side stop supports, each support assembly comprises a plurality of support rods in the same plane, the plurality of support rods are arranged at intervals along the width direction of the bottom plate, the top ends of the plurality of support rods are respectively connected with the plurality of connecting rods in sliding mode, and the bottom ends of the plurality of support rods are detachably connected with the bottom plate.
[0006] Further, a sliding groove is arranged in each of the connecting rods, the sliding groove penetrates the upper and lower sides of the connecting rod, the top ends of the plurality of support rods are respectively connected to the sliding grooves; a connecting assembly is arranged at the top end of each of the support rods, the two sides of the sliding groove are provided with locking portions along the length direction of the sliding groove, the connecting assembly is matched with the locking portions, the two support rods are limited to slide when the connecting assembly is locked with the locking portions.
[0007] Further, a mounting pipe penetrating the front and back sides of the support rod is arranged at the top end of each of the support rods along the radial direction, the connecting assembly comprises two connecting bolts connected to the mounting pipe and an elastic spring arranged between the two connecting bolts and capable of pushing the two connecting bolts towards the front and back sides of the support rod; the locking portion comprises two locking slots symmetrically arranged at the front and back sides of the sliding groove, the two connecting bolts are respectively inserted into the two locking slots.
[0008] Further, a plurality of insertion slots for the support rods are arranged on the bottom plate along the length direction, the positions of the insertion slots correspond to the positions of the locking portions.
[0009] Further, the limiting member comprises a sliding block connected to the support rod and a limiting portion arranged at one end of the sliding block and used for limiting the top end of the vehicle door.
[0010] Further, a through hole penetrating the upper and lower sides of the sliding block is arranged at the middle portion of the sliding block, the through hole is matched with the outer diameter of the support rod, the sliding block is slidably arranged on the outer side of the support rod through the through hole and is capable of sliding along the height direction of the support rod; a locking assembly is arranged at one side of the sliding block, a locking hole matched with the locking assembly is arranged at one side of the support rod along the height direction, the locking assembly is locked with the locking hole, the sliding block is limited to slide when the locking assembly is locked with the locking hole.
[0011] Further, an assembly groove is arranged at one side of the sliding block, the assembly groove is communicated with the through hole, the locking assembly is assembled in the assembly groove, the locking assembly comprises a limiting bolt, the limiting bolt penetrates the assembly groove and is threadedly connected with the locking hole, the sliding block is fixed on the support rod and is limited to slide along the height direction when the limiting bolt is screwed into the locking hole.
[0012] Further, the limiting portion is an arc-shaped slot arranged at one side of the sliding block and opening downward.
[0013] Further, a groove pad for supporting the bottom of the vehicle door is arranged at the bottom of each of the mounting positions, the groove pad is fixedly connected with the bottom plate.
[0014] The utility model discloses a kind of automobile door transfer trolleys, by setting movable support assembly and adjustable limiting piece, trolley can adapt to the height and inclination angle difference of different vehicle models door, avoid the situation that each vehicle model needs to be equipped with special trolley, significantly improve the reuse rate of equipment.Support assembly is provided with the limiting piece for limiting the top end of door, effectively prevent displacement or overturning when door is turned or emergency braking in vehicle, reduce the risk of door damage, improve production efficiency and product quality.Support assembly can be moved along the length direction of vehicle frame, can flexibly adjust the spacing between adjacent support assembly, adapt to different size door, further enhance the versatility and adaptability of trolley.Limiting piece is slidably connected on support rod by sliding block, can slide and lock along the height direction of support rod, adapt to the door top limiting requirement of different height, further enhance the applicability of trolley. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure schematic diagram of an embodiment of the utility model.
[0016] Figure 2 It is the structure schematic diagram of support rod in an embodiment of the utility model.
[0017] Figure 3 It is Figure 2 It is the enlarged structure schematic diagram of place A.
[0018] Figure 4 It is the connection structure schematic diagram of sliding block and locking structure in an embodiment of the utility model.
[0019] Figure 5 It is the side view of the utility model loading door.
[0020] The meaning of each reference sign in the drawing is as follows: vehicle frame 1;Side stop bracket 11;Bottom plate 12;Insert slot 121;Slot pad 122;Handle 13;Support assembly 2;Support rod 21;Lock hole 211;Mounting position 3;Limiting piece 4;Sliding block 41;Through hole 411;Assembly slot 412;Connecting rod 5;Slide groove 51;Locking part 511;Connecting assembly 6;Connecting bolt 61;Push block 611;Extension spring 62;Mounting pipe 7;Moving groove 71;Locking assembly 8;Limiting bolt 81;Universal wheel 9. DETAILED DESCRIPTION
[0021] The following is further illustrated by specific embodiments:
[0022] Refer to Figure 1 , Figure 2 , Figure 3 And Figure 4The utility model discloses a kind of automobile door transfer trolleys, including frame 1 and the side stop support 11 of being arranged at the both ends of frame 1, the bottom of frame 1 is provided with universal wheel 9, and handle 13 for pushing trolley is provided on one of side stop support 11.
[0023] In the embodiment, the frame 1 is provided with a bottom plate 12, and a plurality of connection rods 5 are connected between the top ends of the two side stop supports 11. Each support assembly 2 includes a plurality of support rods 21 in the same plane, and the plurality of support rods 21 are spaced apart along the width direction of the bottom plate 12. The top ends of the plurality of support rods 21 are respectively connected to the plurality of connection rods 5 in a sliding manner, and the bottom ends of the plurality of support rods 21 are detachably connected to the bottom plate 12. In the embodiment, the number of connection rods 5 is two, and the number of support rods 21 in each support assembly 2 is also two. When the position of the support rod 21 needs to be adjusted, the support rod 21 is first detached from the bottom plate 12, and then the position of the support rod 21 is changed by sliding the support rod 21. In order to enable the support rod 21 to slide on the connection rod 5, a sliding groove 51 is formed in each of the two connection rods 5 in the embodiment. The sliding groove 51 penetrates through the upper and lower sides of the two connection rods 5, and the top ends of the two support rods 21 are respectively connected to the sliding groove 51 in a sliding manner. When the support rod 21 is slid to a predetermined position, in order to limit the support rod 21, a connecting assembly 6 is arranged at the top end of each support rod 21. The two sides of the sliding groove 51 are provided with a locking portion 511 corresponding to the connecting assembly 6 along the length direction of the sliding groove 51. The connecting assembly 6 can be locked with the locking portion 511, and when the connecting assembly 6 is locked with the locking portion 511, the two support rods 21 are limited from sliding. Meanwhile, an insertion slot 121 for inserting the two support rods 21 is arranged at the position corresponding to the two support rods 21 along the length direction of the bottom plate 12. The position of the insertion slot 121 corresponds to the position of the locking portion 511. The top end and the bottom end of the support rod 21 are limited by the insertion slot 121 and the locking portion 511, and the stability is better.
[0024] In order to make the support rod 21 and the connecting rod 5 achieve sliding, the top end of the two support rods 21 is provided with a mounting pipe 7 penetrating the front and rear sides of the two support rods 21 in the radial direction in the embodiment, the connecting assembly 6 includes two connecting pins 61 slidingly connected in the mounting pipe 7 and an extension spring 62 arranged between the two connecting pins 61 and capable of pushing the two connecting pins 61 towards the front and rear sides of the support rod 21. The locking part 511 includes two lock grooves symmetrically arranged on the front and rear sides of the sliding groove, and the two connecting pins 61 can be respectively inserted into the two lock grooves. When adjusting, the operator presses the two connecting pins 61 to make them overcome the resistance of the extension spring 62 and exit from the locking part 511. Since the sliding groove 51 penetrates the upper and lower ends of the connecting rod 5, the support rod 21 can be lifted upwards to make the bottom end of the support rod 21 disengage from the insertion groove 121. Then the support rod 21 is moved so that the connecting pins 61 slide on the inner wall of the connecting rod 5. When the support rod 21 slides to the position of the next locking part 511, the two connecting pins 61 will be pushed into the locking part 511 under the elastic force of the extension spring 62. In the embodiment, in order to make the operator more convenient to operate, a pushing block 611 for pushing the connecting pin 61 to move is arranged at the end of the two connecting pins 61 close to each other, and the pushing block 611 penetrates the upper surface of the mounting pipe 7. In order to make the pushing block 611 move smoothly, a moving groove 71 for the pushing block 611 to move is further arranged on the mounting pipe 7. Through this design, the operator can push the pushing block 611 to make the connecting pin 61 move, preventing the connecting pin 61 from being pressed from the outside and being stuck with the locking part 511. When the height of the vehicle door to be transported is higher, the distance between the adjacent support rods 21 can be increased, so that the vehicle door can be smoothly placed into the mounting position 3, and the vehicle door can have a relatively stable inclined state. When the height of the vehicle door to be transported is lower, the operator can reduce the distance between the adjacent support rods 21 to adapt to the height of the vehicle door. By adjusting the position of the support rod 21, it is ensured that the vehicle door can be stably placed in the mounting position 3, avoiding shaking of the vehicle door during transfer.
[0025] Please continue to see Figure 5When the door is placed in the installation position 3, the door is only in contact with the support rods 21, and the top end of the door is limited by the limiting member 4 to prevent the door from overturning forward. In the embodiment, the limiting member 4 includes a sliding block 41 slidably connected to the two support rods 21 and a limiting portion 42 provided at one end of the sliding block 41 for limiting the top end of the door. In the embodiment, the limiting portion 42 is an arc-shaped slot opening downward, and when the door is placed in the installation position 3, the sliding block 41 is slid to the position of the top end of the door, and the top of the door is placed in the arc-shaped slot to limit the door. It should be noted that, in order to protect the door, in the embodiment, the bottom of each installation position 3 is provided with a groove pad 122 for supporting the bottom of the door, and the groove pad 122 is fixedly connected to the bottom plate 12. Meanwhile, a soft pad is provided inside the arc-shaped slot, which can protect the door and prevent the top and bottom ends of the door from being damaged during transportation. Meanwhile, the soft pad can also provide cushioning when the vehicle is jolted.
[0026] Since the positions of the top ends of doors of different heights are different, in the embodiment, a through hole 411 is formed in the middle of the sliding block 41 and penetrates the upper and lower sides of the sliding block 41, the through hole 41 is matched with the outer diameters of the two support rods 21, and the sliding block 41 is slidably sleeved on the outer sides of the two support rods 21 and can slide along the height direction of the two support rods 21. Before the transfer trolley is ready to carry the door, the sliding block 41 is already slidably sleeved on the outer sides of the two support rods 21 through the through hole 411 in the middle. Since the through hole 411 is matched with the outer diameters of the support rods 21, the sliding block 41 can freely slide on the support rods 21. At this time, the sliding block 41 is in an adjustable state, and according to the estimated height of the door, the sliding block 41 is first moved to a rough position. After the door is placed in the installation position 3 of the transfer trolley, the height of the sliding block 41 on the support rods 21 is further adjusted according to the actual height of the top end of the door. The operator manually slides the sliding block 41 to move it along the height direction of the support rods 21 until the limiting portion 42 reaches a position where it can effectively limit the top end of the door. After the height adjustment is completed, the sliding block 41 needs to be locked to fix the position of the limiting portion 42. In the embodiment, one side of the sliding block 41 is provided with an assembly groove 412 which is internally provided with an assembly groove 412 which is in communication with the through hole 411, and a locking assembly 8 is assembled in the assembly groove 412. In the embodiment, the locking assembly 8 includes a limiting bolt 81 which passes through the assembly groove 412 and is threadedly connected with a lock hole 211. When the limiting bolt 81 is screwed into the lock hole 211, the sliding block 41 will be fixed on the support rods 21 to limit its sliding along the height direction. When adjustment is needed, the operator only needs to rotate the limiting bolt 81 to make it exit from one of the lock holes 211, and then slide the sliding block 41 up and down. When the sliding block 41 is slid to the adjusted position, the limiting bolt 81 is rotated to be threadedly connected with the lock hole 211 to limit the sliding of the sliding block 41, so that the limiting portion 42 can stably limit the top end of the door.
[0027] Based on the above embodiment, the automobile door transfer cart has the following beneficial effects: the support assembly in the scheme can move along the length direction of the bottom plate, adjust the distance between adjacent support assemblies, thereby adapting to the size and shape of the doors of different vehicle models, significantly improving the multiplexing rate of the equipment, and reducing the demand for special carts. By setting the limiting piece on the support assembly, the top end of the door can be effectively limited, preventing displacement or overturning of the door during transfer, reducing the risk of door damage, and improving production efficiency and product quality. The support rod of the support assembly is slidably connected with the connecting rod through the sliding groove, and can be locked with the locking part through the connecting assembly, realizing flexible adjustment and fixation of the support rod. This design allows the support assembly to be quickly adjusted according to the size of the doors of different vehicle models, and can be fixed after adjustment, ensuring the stability of the door during transfer. The sliding block is locked with the lock hole on the support rod through the locking assembly, which can flexibly adjust the position of the limiting piece according to the height of the door, and fix it after adjustment. This design not only improves the convenience of operation, but also ensures the reliability of the limiting piece during transfer. In summary, the scheme improves the structure design of the transfer cart, solves the problems of low equipment multiplexing rate and poor door stability in the prior art, and has strong applicability.
[0028] The above is only an embodiment of the utility model, and the specific structure and characteristics of the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the structure of the utility model, some modifications and improvements can be made, which should also be considered as the protection scope of the utility model, and these will not affect the effect and practicability of the utility model.
Claims
1. A car door transfer trolley, comprising a frame (1) and side support brackets (11) disposed at both ends of the frame (1), characterized in that: A plurality of support components (2) are provided between the two side block brackets (11) along the length direction of the vehicle frame (1), and an installation position (3) for placing the door is formed between two adjacent support components (2). Each support component (2) can move along the length direction of the vehicle frame (1) to adjust the distance between two adjacent support components (2). A limiting member (4) for limiting the top of the door is also provided on the support component (2).
2. The automobile door transfer trolley according to claim 1, characterized in that: The frame (1) is provided with a base plate (12), and a plurality of connecting rods (5) are connected between the top ends of the two side block brackets (11). Each support component (2) includes a plurality of support rods (21) on the same plane. The plurality of support rods (21) are spaced apart along the width direction of the base plate (12), and the top ends of the plurality of support rods (21) are slidably connected to the plurality of connecting rods (5). The bottom ends of the plurality of support rods (21) are detachably connected to the base plate (12).
3. The automobile door transfer trolley according to claim 2, characterized in that: Each of the connecting rods (5) has a groove (51) inside, the groove (51) passing through the upper and lower sides of the connecting rod (5), and the top ends of the support rods (21) are slidably connected to the grooves (51); each of the support rods (21) has a connecting component (6) at its top end, and the two sides of the groove (51) are provided with locking parts (511) that cooperate with the connecting component (6) along the length direction of the groove (51). The connecting component (6) can be locked with the locking part (511). When the connecting component (6) is locked with the locking part (511), the two support rods (21) will be restricted from sliding.
4. The automobile door transfer trolley according to claim 3, characterized in that: Each of the support rods (21) has a mounting tube (7) that runs radially through the front and rear sides of the support rod (21) at its top end. The connecting assembly (6) includes two connecting bolts (61) that are slidably connected in the mounting tube (7) and a telescopic spring (62) located between the two connecting bolts (61) that can push the two connecting bolts (61) toward the front and rear sides of the support rod (21). The locking part (511) includes two locking grooves that are symmetrically arranged in pairs on the front and rear sides of the slide groove. The two connecting bolts (61) can be inserted into the two locking grooves respectively.
5. The automobile door transfer trolley according to claim 4, characterized in that: The base plate (12) is provided with a plurality of slots (121) spaced along the length direction for the support rod (21) to be inserted, and the position of the slots (121) corresponds to the position of the locking part (511).
6. The automobile door transfer trolley according to claim 2, characterized in that: The limiting member (4) includes a slider (41) slidably connected to the support rod (21) and a limiting part (42) provided at one end of the slider (41) for limiting the top of the door.
7. The automobile door transfer trolley according to claim 6, characterized in that: The slider (41) has a through hole (411) in the middle that passes through the upper and lower sides of the slider (41). The through hole (411) is adapted to the outer diameter of the support rod (21). The slider (41) slides on the outside of the support rod (21) through the through hole (411) and can slide along the height direction of the support rod (21). A locking component (8) is provided on one side of the slider (41). A locking hole (211) that cooperates with the locking component (8) is provided on one side of the support rod (21) along the height direction. The locking component (8) can be locked with the locking hole (211). When the locking component (8) is locked with the locking hole (211), the slider (41) will be restricted from sliding.
8. The automobile door transfer trolley according to claim 7, characterized in that: The slider (41) has an assembly groove (412) on one side, which is connected to the through hole (411). The locking assembly (8) is assembled in the assembly groove (412). The locking assembly (8) includes a limiting bolt (81), which passes through the assembly groove (412) and is threadedly connected to the lock hole (211). When the limiting bolt (81) is screwed into the lock hole (211), the slider (41) will be fixed on the support rod (21), restricting its sliding along the height direction.
9. The automobile door transfer trolley according to claim 6, characterized in that: The limiting part (42) is an arc-shaped groove located on one side of the slider (41) and opening downwards.
10. The automobile door transfer trolley according to claim 2, characterized in that: Each of the mounting positions (3) is provided with a groove pad (122) for supporting the bottom of the door, and the groove pad (122) is fixedly connected to the base plate (12).