Guide rail structure arranged in tray

By setting an adjustable L-shaped seat and threaded rod structure on the pallet, combined with an electric push rod and worm gear mechanism, the problem of fixed slide rail position in the pallet structure is solved, adaptation to load plates of different sizes is achieved, and the practicality and ease of operation of the device are improved.

CN223408371UActive Publication Date: 2025-10-03ADERSON ENVIRONMENTAL PROTECTION TECHNOLOGY (ANHUI) CO LTD
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Patent Information

Application Number
CN202422972020.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-03
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

In the existing pallet structure, the diversity of the sizes of the load plates results in a fixed position of the slide rails, which cannot adapt to load plates of different sizes, thereby reducing the practicality of the device.

Method used

By setting an adjustable L-shaped seat and threaded rod structure on the pallet, the position of the slide rail can be adjusted. Combined with the electric push rod and worm gear mechanism, the flexible installation and removal of the load plate can be achieved.

Benefits of technology

The tray structure can be adapted to load plates of different sizes, thereby improving the practicality and ease of operation of the device and enhancing the flexibility and scope of application of the tray.

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Abstract

The utility model discloses a guide rail structure built in a tray, which relates to the technical field of trays and comprises a support, two sides of the support are fixedly connected with connecting plates, two ends of the two connecting plates are provided with L-shaped seats, the bottom of each L-shaped seat is fixedly connected with two supporting legs, the bottom of each L-shaped seat is provided with a moving structure, one end of each L-shaped seat is provided with a placing groove, and the other end of each L-shaped seat is provided with a guide rail. The connecting plate is arranged in the containing groove and is slidably connected with the L-shaped seat, a plurality of limiting grooves are formed in the outer side of the connecting plate, a threaded rod is arranged on the outer side of the L-shaped seat, the limiting rods are moved out of the limiting grooves, the L-shaped seat can move on the connecting plate, and therefore the position of the sliding rail can be adjusted through the L-shaped seat; and after the sliding rails are adjusted to the proper positions, the first rotating handles are operated, the limiting rods are clamped into the corresponding limiting grooves, limiting of the L-shaped base is achieved, and therefore the requirement that the device is adaptive to bearing plates of various sizes can be met through adjustment of the two sliding rails.
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Description

Technical Field

[0001] The utility model relates to the technical field of pallets, in particular to a guide rail structure built into a pallet. Background Art

[0002] Pallets are the medium that transforms static cargo into dynamic cargo. They are a loading platform, a movable platform, or, in other words, a movable surface. Even cargo that would otherwise lose its flexibility when placed on the ground becomes mobile once loaded onto a pallet. This is because the cargo on the pallet is always ready for movement. This dynamic loading and unloading method, using pallets as the basic tool, is called pallet handling.

[0003] The current publication number is CN219687869U, which describes a tray with a built-in guide rail structure. The tray includes a tray, an assembly opening, two opposite walls in the assembly opening are respectively equipped with slide rails, a load-bearing plate is slidably mounted between the two slide rails, and two electric push rods are installed between the rear wall of the tray and the rear wall of the load-bearing plate.

[0004] Although the above solution has many advantages, it also has the following disadvantages: since the load plates are also divided into various sizes and the positions of the two slide rails cannot be adjusted, the pallet can only be used with one load plate, which reduces the practicality of the device. Utility Model Content

[0005] The purpose of the present utility model is to provide a guide rail structure built into a tray to solve the problem in the prior art that the positions of the two slide rails cannot be adjusted because the load plates are also divided into multiple sizes, resulting in the tray being able to only be used with one load plate, which reduces the practicality of the device.

[0006] The L-shaped plate is fixedly connected to the front side of the L-shaped seat, and a limiting rod is provided at one end of the threaded rod, and one end of the limiting rod passes through the outside of the L-shaped seat and extends to one of the ends. The cam is fixedly mounted on the U-shaped plate and has a first end fixed to the top of the plate, the second end being fixedly mounted on the U-shaped plate and the second end being fixedly mounted on the U-shaped plate.

[0007] Preferably, a telescopic rod is provided between the two L-shaped seats, and both ends of the telescopic rod are fixedly connected to the two L-shaped seats respectively.

[0008] Preferably, the movable structure includes a plate groove, which is opened at the bottom of the L-shaped seat, and column grooves are formed at both ends of the plate groove. A horizontal plate is provided inside the plate groove, and the horizontal plate is slidably connected to the L-shaped seat. A fixed groove is opened on one side of the horizontal plate, and column rods are fixedly connected at both ends of the horizontal plate. The column rods are arranged inside the column groove and slidably connected to the L-shaped seat, and rollers are installed at the bottom end of the column rods.

[0009] Preferably, two vertical slots are provided on one side of the L-shaped seat, and the two vertical slots are respectively communicated with the two column slots. A U-shaped frame is provided on one side of the L-shaped seat, and the two ends of the U-shaped frame pass through the two vertical slots and are fixedly connected to the two column rods. Two square holes are provided on one side of the L-shaped seat, and the two square holes are vertically arranged. Both of the square holes are communicated with the plate slot.

[0010] Preferably, a pull plate is provided on one side of the U-shaped frame, and a limiting column is fixedly connected to one side of the pull plate, one end of the limiting column passes through one of the square holes and extends into the inside of the fixing groove, and a mounting plate is fixedly connected to the outside of the limiting column, and the mounting plate is in contact with the L-shaped seat, and two connecting rods are fixedly connected to one side of the mounting plate, one end of each of the two connecting rods passes through the inside of the U-shaped frame and is slidably connected to the U-shaped frame, and a spring is sleeved on the outside of the two connecting rods, and both ends of the spring are fixedly connected to the mounting plate and the U-shaped frame respectively.

[0011] Preferably, a mounting groove is provided on the front side of the support, a battery box is provided inside the mounting groove, the battery box is fixed to the support by bolts, a battery is installed inside the battery box, and the battery provides power for the electric push rod.

[0012] Preferably, the pushing assembly includes a slot and an electric push rod, the slot is opened on the front side of the supporting plate, a hollow round seat is provided inside the slot, the hollow round seat is fixedly connected to the supporting plate, a connecting groove is opened on the front side of the hollow round seat, the connecting groove is communicated with the inside of the hollow round seat, a limit block is provided inside the hollow round seat, a connecting column is fixedly connected to the front side of the limit block, one end of the connecting column passes through the connecting groove, and one end of the connecting column is fixedly connected to a disc, the electric push rod is arranged inside the slot, one end of the electric push rod is rotatably connected to the disc, the other end of the electric push rod passes through the support and is fixedly connected to the support, and the electric push rod is electrically connected to the battery.

[0013] Preferably, the jacking assembly also includes a circular groove, which is opened on the rear side of the support, and an internal gear ring is provided inside the circular groove, and the internal gear ring is rotatably connected to the support, and a plurality of L rods are fixedly connected to the rear side of the internal gear ring, and one end of the plurality of L rods is fixedly connected to the disc, and the inner side of the internal gear ring is meshed with a gear, and the front side of the gear is fixedly connected to a rotating rod, and one end of the rotating rod passes through the inner side of the circular groove and extends to the front side of the support, and the rotating rod is rotatably connected to the support. One end of the rotating rod is fixedly connected to a second worm gear, and the outer side of the second worm gear is meshed with a second worm gear, and the outer side of the second worm gear is rotatably connected to a support block, and the support block is fixedly connected to the front side of the support, and the top of the second worm gear is fixedly connected to a second turning handle. The arrangement of multiple L rods can realize that when the internal gear ring rotates, the disc is driven to rotate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In this application, the limit rod is moved out from the limit groove, and the L-shaped seat can be moved on the connecting plate. Therefore, the position of the slide rail can be adjusted through the L-shaped seat. When the slide rail is adjusted to the appropriate position, the first handle is operated, and the limit rod is then inserted into the corresponding limit groove to limit the L-shaped seat. Therefore, the two slide rails can be adjusted to meet the needs of the device to adapt to load plates of various sizes.

[0016] 2. In this application, the pull plate is used to drive the limit column away from the fixed groove and one of the square holes. At this time, the two springs set on the mounting plate are elastically compressed to release the limit on the horizontal plate, so that the two column rods inside the L-shaped seat can be adjusted to move downward to adjust the position of the two rollers. After that, the pull plate is loosened, the two springs are elastically reset, and the gear passes through the other square hole and is inserted into the fixed groove to limit the horizontal plate. Therefore, the device can be moved by multiple rollers, and it can be convenient to work in a smaller area.

[0017] 3. In this application, by rotating the second handle, the second worm is engaged with the second worm wheel, the second worm wheel drives the gear to rotate through the rotating rod, the gear is engaged with the inner ring gear, the inner ring gear drives the disc to rotate through multiple L rods, and the disc adjusts the limit block to a vertical state through the connecting column, and then the supporting plate is slid out from the two slide rails, so that the supporting plate can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the guide rail structure built into the tray of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the bearing plate of the guide rail structure built into the tray of the utility model;

[0020] Figure 3 This is a cross-sectional view of the L-shaped seat of the guide rail structure built into the tray of the utility model;

[0021] Figure 4 This is a schematic diagram of the horizontal plate structure of the guide rail structure built into the tray of the utility model;

[0022] Figure 5 This is a cross-sectional view of a support of the guide rail structure built into the tray of the utility model;

[0023] Figure 6 This is a schematic diagram of the disc structure of the guide rail structure built into the tray of the utility model.

[0024] Numbers in the figure: 1. Support; 2. L-shaped seat; 3. Connecting plate; 4. Placement slot; 5. Limiting slot; 6. Threaded rod; 7. Limiting rod; 8. U-shaped plate; 9. First worm gear; 10. First worm; 11. Telescopic rod; 12. Carrying plate; 13. Slot; 14. Rail groove; 15. Hollow round seat; 16. Connecting slot; 17. Round slot; 18. Electric push rod; 19. Disc; 20. Connecting column; 21. Limiting block; 22 , L-rod; 23, inner ring gear; 24, gear; 25, rotating rod; 26, second worm gear; 27, second worm; 28, column slot; 29, plate slot; 30, square hole; 31, column rod; 32, roller; 33, horizontal plate; 34, limit column; 35, pull plate; 36, mounting plate; 37, connecting rod; 38, spring; 39, U-shaped frame; 40, battery box; 200, slide rail; 201, support leg; 280, vertical slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example: Figure 1 - Figure 6As shown, the utility model provides a technical solution of a guide rail structure built into a pallet, including a support 1, a connecting plate 3 is fixedly connected to both sides of the support 1, an L-shaped seat 2 is provided at both ends of the two connecting plates 3, a telescopic rod 11 is provided between the two L-shaped seats 2, the two ends of the telescopic rod 11 are respectively fixedly connected to the two L-shaped seats 2, the bottom of the L-shaped seat 2 is fixedly connected to two legs 201, a movable structure is provided at the bottom of the L-shaped seat 2, a placement groove 4 is provided at one end of the L-shaped seat 2, the connecting plate 3 is arranged inside the placement groove 4 and is slidably connected to the L-shaped seat 2, a plurality of limiting grooves 5 are provided on the outside of the connecting plate 3, a threaded rod 6 is provided on the outside of the L-shaped seat 2, a U-shaped plate 8 is rotatably connected to the outside of the threaded rod 6, the U-shaped plate 8 is fixedly connected to the front side of the L-shaped seat 2, a limiting rod 7 is provided at one end of the threaded rod 6, and one end of the limiting rod 7 passes through the L-shaped seat 2 outside and extends to the inside of one of the limit grooves 5, the limit rod 7 is slidably connected to the L-shaped seat 2, one end of the limit rod 7 is provided with a threaded groove, one end of the threaded rod 6 extends into the inside of the threaded groove and is threadedly connected to the limit rod 7, the other end of the threaded rod 6 is fixedly connected to the first worm gear 9, the outside of the first worm gear 9 is meshed with the first worm 10, the top outside of the first worm 10 is rotatably connected to the connecting block, the connecting block is fixedly connected to the top of the U-shaped plate 8, and the top of the first worm 10 is installed with a first turning handle. The two L-shaped seats 2 are fixedly connected to the opposite sides with a slide rail 200, a bearing plate 12 is provided between the two slide rails 200, and rail grooves 14 are provided on both sides of the bearing plate 12. The slide rail 200 is arranged inside the rail groove 14 and is slidably connected to the bearing plate 12, and a jacking assembly is provided between the bearing plate 12 and the support 1.

[0027] Specifically, by rotating the first handle, the first worm 10 engages with the first worm gear 9, and the first worm gear 9 drives the threaded rod 6 to rotate. The threaded rod 6 is threadedly connected to the limit rod 7 through the thread groove. The limit rod 7 slides on the L-shaped seat 2, and the limit rod 7 moves out from the inside of the limit groove 5. The L-shaped seat 2 can move on the connecting plate 3. Therefore, the position of the slide rail 200 can be adjusted through the L-shaped seat 2. After the slide rail 200 is adjusted to the appropriate position, the first handle is operated, and the limit rod 7 is then inserted into the corresponding limit groove 5 to limit the L-shaped seat 2. Therefore, the two slide rails 200 can be adjusted to meet the needs of the device to adapt to load plates 12 of various sizes.

[0028] Example: Figure 1 、 Figure 2 and Figure 4As shown, the movable structure includes a plate groove 29, which is opened at the bottom of the L-shaped seat 2, and column grooves 28 are formed at both ends of the plate groove 29. A horizontal plate 33 is provided inside the plate groove 29, and the horizontal plate 33 is slidably connected to the L-shaped seat 2. A fixed groove is opened on one side of the horizontal plate 33, and both ends of the horizontal plate 33 are fixedly connected to the column rod 31, which is set inside the column groove 28 and slidably connected to the L-shaped seat 2. A roller 32 is installed at the bottom end of the column rod 31, and two vertical grooves 280 are opened on one side of the L-shaped seat 2. The two vertical grooves 280 are respectively communicated with the two column grooves 28, and a U-shaped frame 39 is provided on one side of the L-shaped seat 2. The two ends of the U-shaped frame 39 pass through the two vertical grooves 280 and are fixedly connected to the two column rods 31. Two square holes 30 are provided on one side of the L-shaped seat 2. The two square holes 30 are arranged vertically. The two square holes 30 are communicated with the plate groove 29. A pull plate 35 is provided on one side of the U-shaped frame 39. One side of the pull plate 35 is fixedly connected to a limiting column 34. One end of the limiting column 34 passes through one of the square holes 30 and extends into the inside of the fixed groove. A mounting plate 36 is fixedly connected to the outside of the limiting column 34. The mounting plate 36 contacts the L-shaped seat 2. Two connecting rods 37 are fixedly connected to one side of the mounting plate 36. One end of the two connecting rods 37 passes through the inner side of the U-shaped frame 39 and is slidably connected to the U-shaped frame 39. A spring 38 is sleeved on the outside of the two connecting rods 37. The two ends of the spring 38 are respectively fixedly connected to the mounting plate 36 and the U-shaped frame 39.

[0029] Specifically, the device is lifted by a forklift, and then the pull plates 35 are set on one side of the two L-shaped seats 2. The pull plates 35 drive the limit columns 34 away from the fixed groove and one of the square holes 30. At this time, the two springs 38 set on the mounting plate 36 are elastically compressed to release the limit on the cross plate 33, so that the two column rods 31 inside the L-shaped seat 2 can be adjusted to move downward to achieve position adjustment of the two rollers 32. After that, the pull plate 35 is loosened, the two springs 38 are elastically reset, and the gear 24 passes through the other square hole 30 and is stuck in the fixed groove to limit the cross plate 33. Therefore, the device can be moved by multiple rollers 32, and it can be convenient to work in a smaller area.

[0030] Example: Figure 1 、 Figure 2 、 Figure 5 and Figure 6 As shown, a mounting groove is provided on the front side of the support 1 , a battery box 40 is provided inside the mounting groove, and the battery box 40 is fixed to the support 1 by bolts, and a battery is installed inside the battery box 40 .

[0031] The top moving component includes a slot 13 and an electric push rod 18. The slot 13 is opened on the front side of the bearing plate 12. A hollow round seat 15 is provided inside the slot 13. The hollow round seat 15 is fixedly connected to the bearing plate 12. A connecting groove 16 is opened on the front side of the hollow round seat 15. The connecting groove 16 is communicated with the inside of the hollow round seat 15. A limit block 21 is provided inside the hollow round seat 15. A connecting column 20 is fixedly connected to the front side of the limit block 21. One end of the connecting column 20 passes through the connecting groove 16. One end of the connecting column 20 is fixedly connected to a disc 19. The electric push rod 18 is arranged inside the slot 13. One end of the electric push rod 18 is rotatably connected to the disc 19. The other end of the electric push rod 18 passes through the support 1 and is fixedly connected to the support 1. The electric push rod 18 is electrically connected to the battery. The top moving component also includes A circular groove 17 is provided inside the circular groove 17, and the inner ring gear 23 is rotatably connected to the support 1. A plurality of L rods 22 are fixedly connected to the rear side of the inner ring gear 23, and one end of the plurality of L rods 22 is fixedly connected to the disc 19. The inner side of the inner ring gear 23 is meshed with a gear 24, and the front side of the gear 24 is fixedly connected with a rotating rod 25. One end of the rotating rod 25 passes through the inner side of the circular groove 17 and extends to the front side of the support 1. The rotating rod 25 is rotatably connected to the support 1, and one end of the rotating rod 25 is fixedly connected to the second worm gear 26. The outer side of the second worm gear 26 is meshed with the second worm 27. The outer side of the top of the second worm 27 is rotatably connected to a support block. The support block is fixedly connected to the front side of the support 1, and the top of the second worm 27 is fixedly connected to a second handle.

[0032] Specifically, when the supporting plate 12 needs to be disassembled, the second handle is turned, the second worm 27 engages with the second worm gear 26, the second worm gear 26 drives the gear 24 to rotate through the rotating rod 25, the gear 24 engages with the inner ring gear 23, the inner ring gear 23 drives the disc 19 to rotate through multiple L rods 22, the disc 19 adjusts the limit block 21 to a vertical state through the connecting column 20, and then the supporting plate 12 can be slid out from the two slide rails 200.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. The guide rail structure built into the tray is characterized by: The invention comprises a support (1), wherein both sides of the support (1) are fixedly connected with connecting plates (3), both ends of the two connecting plates (3) are provided with L-shaped seats (2), the bottom of the L-shaped seat (2) is fixedly connected with two legs (201), the bottom of the L-shaped seat (2) is provided with a movable structure, one end of the L-shaped seat (2) is provided with a placement groove (4), the connecting plate (3) is arranged inside the placement groove (4) and is slidably connected to the L-shaped seat (2), the outer side of the connecting plate (3) is provided with a plurality of limiting grooves (5), the outer side of the L-shaped seat (2) is provided with a threaded rod (6), the outer side of the threaded rod (6) is rotatably connected with a U-shaped plate (8), the U-shaped plate (8) is fixedly connected to the front side of the L-shaped seat (2), one end of the threaded rod (6) is provided with a limiting rod (7), one end of the limiting rod (7) passes through the outer side of the L-shaped seat (2) and extends to the inside of one of the limiting grooves (5), the limiting rod (7) and the L-shaped seat (2) are fixedly connected to the front side of the L-shaped seat (2), The seat (2) is slidably connected, one end of the limiting rod (7) is provided with a threaded groove, one end of the threaded rod (6) extends into the threaded groove and is threadedly connected to the limiting rod (7), the other end of the threaded rod (6) is fixedly connected to a first worm gear (9), the outer side of the first worm gear (9) is meshedly connected to a first worm (10), the top outer side of the first worm (10) is rotatably connected to a connecting block, the connecting block is fixedly connected to the top of the U-shaped plate (8), the top of the first worm (10) is installed with a first turning handle, the two L-shaped seats (2) are fixedly connected to a slide rail (200) on opposite sides, a bearing plate (12) is provided between the two slide rails (200), both sides of the bearing plate (12) are provided with rail grooves (14), the slide rail (200) is arranged inside the rail groove (14) and is slidably connected to the bearing plate (12), and a top moving component is provided between the bearing plate (12) and the support (1).

2. The guide rail structure built into a tray according to claim 1, characterized in that: A telescopic rod (11) is provided between the two L-shaped seats (2), and both ends of the telescopic rod (11) are fixedly connected to the two L-shaped seats (2) respectively.

3. The guide rail structure built into a tray according to claim 1, characterized in that: The movable structure includes a plate groove (29), the plate groove (29) is opened at the bottom of the L-shaped seat (2), and column grooves (28) are formed at both ends of the plate groove (29). A horizontal plate (33) is provided inside the plate groove (29), and the horizontal plate (33) is slidably connected to the L-shaped seat (2). A fixed groove is opened on one side of the horizontal plate (33), and both ends of the horizontal plate (33) are fixedly connected to column rods (31), and the column rods (31) are set inside the column groove (28) and slidably connected to the L-shaped seat (2), and a roller (32) is installed at the bottom end of the column rod (31).

4. The guide rail structure built into a tray according to claim 3, characterized in that: Two vertical slots (280) are provided on one side of the L-shaped seat (2), and the two vertical slots (280) are communicated with the two column slots (28) respectively. A U-shaped frame (39) is provided on one side of the L-shaped seat (2), and the two ends of the U-shaped frame (39) pass through the two vertical slots (280) and are fixedly connected to the two column rods (31). Two square holes (30) are provided on one side of the L-shaped seat (2), and the two square holes (30) are arranged vertically. Both of the two square holes (30) are communicated with the plate slot (29).

5. The guide rail structure built into a tray according to claim 4, characterized in that: A pull plate (35) is provided on one side of the U-shaped frame (39), and a limit column (34) is fixedly connected to one side of the pull plate (35). One end of the limit column (34) passes through one of the square holes (30) and extends into the interior of the fixed groove. A mounting plate (36) is fixedly connected to the outside of the limit column (34). The mounting plate (36) contacts the L-shaped seat (2). Two connecting rods (37) are fixedly connected to one side of the mounting plate (36). One end of each of the two connecting rods (37) passes through the inside of the U-shaped frame (39) and is slidably connected to the U-shaped frame (39). A spring (38) is sleeved on the outside of the two connecting rods (37), and both ends of the spring (38) are fixedly connected to the mounting plate (36) and the U-shaped frame (39), respectively.

6. The guide rail structure built into a tray according to claim 1, characterized in that: A mounting groove is provided on the front side of the support (1), a battery box (40) is provided inside the mounting groove, the battery box (40) and the support (1) are fixed by bolts, and a battery is installed inside the battery box (40).

7. The guide rail structure built into a tray according to claim 6, characterized in that: The push assembly includes a slot (13) and an electric push rod (18), wherein the slot (13) is provided on the front side of the carrier plate (12), a hollow round seat (15) is provided inside the slot (13), the hollow round seat (15) is fixedly connected to the carrier plate (12), a connecting groove (16) is provided on the front side of the hollow round seat (15), the connecting groove (16) is communicated with the inside of the hollow round seat (15), a limit block (21) is provided inside the hollow round seat (15), and the limit block (21) is provided inside the hollow round seat (15). The front side of the block (21) is fixedly connected to a connecting column (20), one end of the connecting column (20) passes through the connecting slot (16), one end of the connecting column (20) is fixedly connected to a disc (19), the electric push rod (18) is arranged inside the slot (13), one end of the electric push rod (18) is rotatably connected to the disc (19), the other end of the electric push rod (18) passes through the support (1) and is fixedly connected to the support (1), and the electric push rod (18) is electrically connected to the battery.

8. The guide rail structure built into a tray according to claim 7, characterized in that: The jacking assembly further comprises a circular groove (17), the circular groove (17) being opened at the rear side of the support (1), an inner gear ring (23) being provided inside the circular groove (17), the inner gear ring (23) being rotatably connected to the support (1), a plurality of L-rods (22) being fixedly connected to the rear side of the inner gear ring (23), one end of each of the plurality of L-rods (22) being fixedly connected to the disc (19), a gear (24) being meshedly connected to the inner side of the inner gear ring (23), and a rotating rod (24) being fixedly connected to the front side of the gear (24). 5), one end of the rotating rod (25) passes through the inner side of the circular groove (17) and extends to the front side of the support (1), the rotating rod (25) is rotatably connected to the support (1), one end of the rotating rod (25) is fixedly connected to the second worm gear (26), the outer side of the second worm gear (26) is meshedly connected to the second worm (27), the outer side of the top end of the second worm (27) is rotatably connected to the support block, the support block is fixedly connected to the front side of the support (1), and the top end of the second worm (27) is fixedly connected to the second turning handle.

Citation Information

Patent Citations

  • Tray built-in guide rail structure

    CN219687869U