Lifting device with safety lock catch
By introducing components such as a lock body, a latch body, and a limit claw into the lifting device, the problems of bed board rotation and arbitrary extension and retraction of hydraulic rods are solved, achieving stable locking and angle adjustment of the bed board, thus improving safety and practicality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PENGZHOU XINHUITONG HARDWARE CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-05-08
AI Technical Summary
In existing lifting devices, the bed board is prone to rotation during the lifting process, which causes the opening at the rear end of the bed board to shrink, making it inconvenient to load and unload items. In addition, the second hydraulic telescopic rod is prone to arbitrarily extending and retracting, posing a safety hazard.
A lifting device with a safety lock was designed. Through components such as a lock body, a lock body, a limit claw, and a compression spring, the bed board can be locked and unlocked to prevent it from rotating. The bed board angle can be adjusted by a hydraulic telescopic rod to ensure stability and safety.
It effectively prevents the bed board from flipping over at will, improves the practicality and safety of the lifting device, and ensures the stability and convenience of adjusting the bed board angle.
Smart Images
Figure CN224206517U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lifting device technology, and in particular to a lifting device with a safety lock. Background Technology
[0002] To make effective use of the space under the bed, some bedding products on the market now have storage compartments added under the bed board for storing items. At the same time, to facilitate the retrieval of items, lifting mechanisms connected to the bed frame are usually fixed on both sides of the bed board near the headboard, which can be used to raise or lower the bed board.
[0003] In existing products, when the bed board is lifted from the foot of the bed, the first hydraulic telescopic rod in the lifting mechanism lifts the foot of the bed board upwards, causing the bed board to tilt. Since a mattress is placed on the bed board, the foot of the bed board experiences significant force. This causes the second hydraulic telescopic rod to extend further, rotating the bed board along the pivot on the lifting mechanism and lifting it to a horizontal position. However, this rotation significantly reduces the size of the opening at the foot of the bed board, making it difficult to retrieve items. Therefore, an improved lifting device is needed that can lift the bed board while restricting the unrestricted extension and retraction of the second hydraulic telescopic rod to solve the above problems. Utility Model Content
[0004] In order to overcome the problem of bed boards flipping arbitrarily during use of existing lifting mechanisms, this utility model provides a method that can easily lift the bed board while restricting its flipping, ensuring safety and convenience for users.
[0005] The technical solution of this utility model is as follows: a lifting device with a safety lock includes a base, a support frame disposed on the top of the base, a bed board fixing frame rotatably connected to the support frame, a lifting component disposed on the top of the base, a lock body fixedly connected to the inner side of the bed board fixing frame, a lock body fixedly connected to the inner side of the support frame, a sliding block slidably connected inside the lock body, a compression spring fixedly connected between the sliding block and the lock body, a sliding groove opened on the sliding block, a sliding bracket rotatably connected inside the lock body, a semi-circular block fixedly connected to one end of the sliding block near the lock body, a limiting pawl rotatably connected inside the semi-circular block, and a torsion spring fixedly connected between the limiting pawl and the semi-circular block. The sliding bracket is disposed inside the sliding groove, and the lock body is disposed inside the limiting pawl.
[0006] Preferably, there are two limiting claws, which are symmetrically distributed on the sliding block. The two limiting claws have matching through holes at corresponding positions on the lock body, and the lock body is located inside the through holes of the limiting claws.
[0007] Preferably, the latch body has a matching groove at the corresponding position of the sliding block, and the sliding block slides within the groove of the latch body.
[0008] Preferably, a limiting rod is fixedly connected to the support frame, and the limiting rod is located inside the bed board fixing frame.
[0009] Preferably, the bed board fixing frame has a matching through groove at the corresponding position of the limiting rod, and the limiting rod is set inside the through groove of the bed board fixing frame.
[0010] Preferably, the lifting assembly includes a first mounting hole on the base, a short bracket rotatably connected to the base, a long bracket rotatably connected to the base, a first hydraulic telescopic rod rotatably connected to the support frame, and a second hydraulic telescopic rod rotatably connected to the bed board fixing frame. The end of the short bracket away from the base is rotatably connected to the support frame, the end of the long bracket away from the base is rotatably connected to the support frame, the telescopic end of the first hydraulic telescopic rod is rotatably connected to the base, and the telescopic end of the second hydraulic telescopic rod is rotatably connected to the support frame.
[0011] Preferably, two sets of short supports, long supports, first hydraulic telescopic rods, second hydraulic telescopic rods, support frames, and bed board fixing frames are provided, and the two sets of short supports, long supports, first hydraulic telescopic rods, second hydraulic telescopic rods, support frames, and bed board fixing frames are symmetrically distributed.
[0012] Preferably, a number of first mounting holes are provided, and the number of first mounting holes are distributed sequentially on the base.
[0013] The beneficial effects of this utility model are:
[0014] 1. When the lock body is locked inside the limiting claw, the bed board fixing frame and the support frame are in a locked state. At this time, the bed board fixing frame is fixed to the support frame, which can prevent the bed board fixing frame from rotating relative to the support frame. When it is necessary to rotate the bed board fixing frame, the right end of the bed board fixing frame is lifted to release the limiting of the lock body. Then, the angle of the bed board fixing frame is rotated by the second hydraulic telescopic rods on both sides to bring the bed board fixing frame to a horizontal state. The angle of the device is adjusted to improve the practicality of the lifting device. At the same time, the safety lock composed of the lock body and the locking body can effectively prevent the bed board from flipping over at will, ensuring safety and convenience for users.
[0015] 2. By easily adjusting the height of the support frame, the stability of the device's lifting and lowering is improved, as is the stability of the bed board fixing frame's angle adjustment, thus enhancing the device's practicality. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of one embodiment of a lifting device with a safety lock according to the present invention;
[0017] Figure 2 This is a schematic diagram of the bed board fixing frame structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the lock body and latch body structure of this utility model;
[0019] Figure 4 This is a cross-sectional view of the locking body of this utility model;
[0020] Figure 5 This is a cross-sectional structural diagram of the locking body of this utility model.
[0021] Figure 6 This is a schematic diagram of the sliding groove structure of this utility model;
[0022] Figure 7 This is a schematic diagram of the lifting component structure of this utility model.
[0023] Explanation of reference numerals in the attached drawings: 1. Base; 21. Support frame; 22. Bed board fixing frame; 23. Limiting rod; 24. Lock body; 25. Lock body; 26. Sliding block; 27. Compression spring; 28. Sliding groove; 29. Sliding bracket; 210. Limiting claw; 211. Semicircular block; 212. Torsion spring; 31. First mounting hole; 32. Short bracket; 33. Long bracket; 34. First hydraulic telescopic rod; 35. Second hydraulic telescopic rod. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0025] Please see Figure 1 - Figure 7This utility model provides an embodiment of a lifting device with a safety lock, comprising a base 1, a support frame 21 disposed on the top of the base 1, a bed board fixing frame 22 rotatably connected to the support frame 21, a lifting assembly disposed on the top of the base 1, a lock body 24 fixedly connected to the inner side of the bed board fixing frame 22, a lock body 25 fixedly connected to the inner side of the support frame 21, a sliding block 26 slidably connected inside the lock body 25, a compression spring 27 fixedly connected between the sliding block 26 and the lock body 25, a sliding groove 28 formed on the sliding block 26, a sliding bracket 29 rotatably connected inside the lock body 25, a semi-circular block 211 fixedly connected to one end of the sliding block 26 near the lock body 24, a limiting claw 210 rotatably connected inside the semi-circular block 211, and a torsion spring 21 fixedly connected between the limiting claw 210 and the semi-circular block 211. 2. The sliding bracket 29 is located inside the sliding groove 28, and the locking body 24 is located inside the limiting claw 210. When the locking body 24 is locked inside the limiting claw 210, the bed board fixing frame 22 and the support frame 21 are locked. At this time, the bed board fixing frame 22 is fixed to the support frame 21, which can prevent the bed board fixing frame 22 from rotating relative to the support frame 21. When the bed board fixing frame 22 needs to be rotated, the right end of the bed board fixing frame 22 is lifted to release the limiting of the locking body 24. Then, the angle of the bed board fixing frame 22 is rotated through the second hydraulic telescopic rods 35 on both sides, so that the bed board fixing frame 22 is in a horizontal state. The angle of the device is adjusted, which improves the practicality of the lifting device. The lifting component improves the stability of the device's lifting by easily adjusting the height of the support frame 21, improves the stability of the angle adjustment of the bed board fixing frame 22, and improves the practicality of the device.
[0026] Please see Figure 1 - Figure 6In this embodiment, two limiting claws 210 are provided, and the two limiting claws 210 are symmetrically distributed on the sliding block 26. The two limiting claws 210 have corresponding through holes at the corresponding positions of the lock body 24. The lock body 24 is disposed inside the through holes of the limiting claws 210. When the lock body 24 enters the interior of the latch body 25, it pushes against the sliding block 26, moving the sliding bracket 29 to the top position of the sliding groove 28. The sliding block 26, which slides itself, drives the limiting claws 210 to move into the interior of the latch body 25. The inner side of the latch body 25 squeezes and limits the limiting claws 210, thereby limiting and clamping the lock body 24 and locking it. The latch body 25 has corresponding grooves at the corresponding positions of the sliding block 26. The sliding block 26 slides in the grooves of the latch body 25, thereby limiting the sliding block 26 and improving the ease of locking and unlocking the lock body 24. For ease of use, a limiting rod 23 is fixedly connected to the support frame 21. The limiting rod 23 is located inside the bed board fixing frame 22. When the lock body 24 is locked inside the limiting claw 210, the bed board fixing frame 22 and the support frame 21 are locked. At this time, the bed board fixing frame 22 is fixed to the support frame 21, which can prevent the bed board fixing frame 22 from rotating relative to the support frame 21. When the bed board fixing frame 22 needs to be rotated, the right end of the bed board fixing frame 22 is lifted to release the limiting of the lock body 24. Then, the angle of the bed board fixing frame 22 is rotated through the second hydraulic telescopic rods 35 on both sides to make it horizontal, so as to adjust the angle of the device and improve the practicality of the lifting device. The bed board fixing frame 22 has a matching through groove at the corresponding position of the limiting rod 23. The limiting rod 23 is located inside the through groove of the bed board fixing frame 22 to limit the rotation angle of the bed board fixing frame 22 and improve the practicality of the device.
[0027] Please see Figure 1 - Figure 2 , Figure 7In this embodiment, the lifting assembly includes a first mounting hole 31 on the base 1, a short bracket 32 rotatably connected to the base 1, a long bracket 33 rotatably connected to the base 1, a first hydraulic telescopic rod 34 rotatably connected to the support frame 21, and a second hydraulic telescopic rod 35 rotatably connected to the bed board fixing frame 22. The end of the short bracket 32 away from the base 1 is rotatably connected to the support frame 21, and the end of the long bracket 33 away from the base 1 is rotatably connected to the support frame 21. The telescopic end of the first hydraulic telescopic rod 34 is rotatably connected to the base 1, and the telescopic end of the second hydraulic telescopic rod 35 is rotatably connected to the support frame 21. The lifting assembly can easily adjust the height of the support frame 21 to raise the device. To improve the stability of the descent and enhance the angle adjustment stability of the bed board fixing frame 22, thereby improving the practicality of the device, two sets of short supports 32, long supports 33, first hydraulic telescopic rods 34 and second hydraulic telescopic rods 35, support frame 21, and bed board fixing frame 22 are provided. The two sets of short supports 32, long supports 33, first hydraulic telescopic rods 34 and second hydraulic telescopic rods 35, support frame 21, and bed board fixing frame 22 are symmetrically distributed, which improves the lifting stability of the support frame 21 and enhances the practicality of the device. Several first mounting holes 31 are provided, which are distributed sequentially on the base 1, allowing the base 1 to be easily installed on both sides of the bed frame through the first mounting holes 31, thus improving practicality.
[0028] In use, the bases 1 on both sides are installed on the sides of the bed frame, and the mattress is placed on top of the bed board fixing frame 22. The right end of the bed board fixing frame 22 is lifted upwards, and the first hydraulic telescopic rods 34 on both sides drive the support frame 21 to rise through the cooperation of the short bracket 32 and the long bracket 33. Then, the right end of the bed board fixing frame 22 is pressed downwards, and when the lock body 24 is engaged inside the limiting claw 210, the bed board fixing frame 22 and the support frame 21 are locked. At this time, the bed board fixing frame 22 is fixed to the support frame 21, which can prevent the bed board fixing frame 22 from rotating relative to the support frame 21. When the bed board fixing frame 22 needs to be rotated, the right end of the bed board fixing frame 22 is lifted, and the sliding block 26 inside the locking body 25 abuts against the lock body 24, and slides the sliding block 26 towards one end of the compression spring 27. The sliding bracket 29 is rotatably connected to the inside of the locking body 25, so that its other end moves inside the sliding groove 28. With the center of gravity of the sliding groove 28 on the left, the sliding bracket 29 moves clockwise inside the sliding groove 28 until it is at the bottom of the sliding groove 28. At this time, the two limiting claws 210 and the semi-circular block 211 are at the top of the locking body 25. The limiting claws 210 are released from their limiting position by the inside of the locking body 25. The torsion spring 212 is driven to open outward by its own torque, releasing the limiting position on the lock body 24 and thus unlocking. At the same time, the second hydraulic telescopic rods 35 on both sides rotate the angle of the bed board fixing frame 22. The limiting rod 23 is set inside the through groove of the bed board fixing frame 22, which limits the angle of the bed board fixing frame 22 and rotates the angle of the bed board fixing frame 22 to a horizontal state.
[0029] Through the above steps, when the lock body 24 is locked inside the limiting claw 210, the bed board fixing frame 22 and the support frame 21 are in a locked state. At this time, the bed board fixing frame 22 is fixed to the support frame 21, which can prevent the bed board fixing frame 22 from rotating relative to the support frame 21. When the bed board fixing frame 22 needs to be rotated, the right end of the bed board fixing frame 22 is lifted to release the limiting of the lock body 24. Then, the angle of the bed board fixing frame 22 is rotated by the second hydraulic telescopic rods 35 on both sides to make it horizontal. At the same time, the safety lock composed of the lock body 24 and the lock body 25 can be quickly and conveniently unlocked and locked according to people's needs, thereby limiting the flipping of the bed board and ensuring safe use.
Claims
1. A lifting device with a safety lock, comprising a base (1), characterized in that: It also includes a support frame (21) set on the top of the base (1), a bed board fixing frame (22) rotatably connected to the support frame (21), a lifting assembly set on the top of the base (1), a lock body (24) fixedly connected to the inner side of the bed board fixing frame (22), a latch body (25) fixedly connected to the inner side of the support frame (21), a sliding block (26) slidably connected inside the latch body (25), a compression spring (27) fixedly connected between the sliding block (26) and the latch body (25), and a spring opened in the sliding block. The sliding groove (28) on the block (26), the sliding bracket (29) rotatably connected inside the latch body (25), the semi-circular block (211) fixedly connected to one end of the sliding block (26) near the lock body (24), the limiting claw (210) rotatably connected inside the semi-circular block (211), and the torsion spring (212) fixedly connected between the limiting claw (210) and the semi-circular block (211), the sliding bracket (29) is located inside the sliding groove (28), and the lock body (24) is located inside the limiting claw (210).
2. The lifting device with a safety lock according to claim 1, characterized in that: There are two limiting claws (210), and the two limiting claws (210) are symmetrically distributed on the sliding block (26). The two limiting claws (210) have matching through holes at corresponding positions on the lock body (24). The lock body (24) is located inside the through holes of the limiting claws (210).
3. A lifting device with a safety lock according to claim 1, characterized in that: The latch body (25) has a matching groove at the corresponding position of the sliding block (26), and the sliding block (26) slides in the groove of the latch body (25).
4. A lifting device with a safety lock according to claim 1, characterized in that: A limiting rod (23) is fixedly connected to the support frame (21), and the limiting rod (23) is located inside the bed board fixing frame (22).
5. A lifting device with a safety lock according to claim 4, characterized in that: The bed board fixing frame (22) has a corresponding through groove at the corresponding position of the limiting rod (23), and the limiting rod (23) is set inside the through groove of the bed board fixing frame (22).
6. A lifting device with a safety lock according to claim 1, characterized in that: The lifting assembly includes a first mounting hole (31) on the base (1), a short bracket (32) rotatably connected to the base (1), a long bracket (33) rotatably connected to the base (1), a first hydraulic telescopic rod (34) rotatably connected to the support frame (21), and a second hydraulic telescopic rod (35) rotatably connected to the bed board fixing frame (22). The end of the short bracket (32) away from the base (1) is rotatably connected to the support frame (21), the end of the long bracket (33) away from the base (1) is rotatably connected to the support frame (21), the telescopic end of the first hydraulic telescopic rod (34) is rotatably connected to the base (1), and the telescopic end of the second hydraulic telescopic rod (35) is rotatably connected to the support frame (21).
7. A lifting device with a safety lock according to claim 6, characterized in that: Two sets of short supports (32), long supports (33), first hydraulic telescopic rods (34), second hydraulic telescopic rods (35), support frames (21) and bed board fixing frames (22) are provided. The two sets of short supports (32), long supports (33), first hydraulic telescopic rods (34), second hydraulic telescopic rods (35), support frames (21) and bed board fixing frames (22) are symmetrically distributed.
8. A lifting device with a safety lock according to claim 6, characterized in that: The first mounting hole (31) is provided in several places, and the several first mounting holes (31) are distributed on the base (1) in sequence.