Slide rail type height-adjustable seat tray
By using a sliding rail structure and a combined design limiting mechanism, the problem of easy breakage of the adjustment rod is solved, achieving stability and convenient replacement of the adjustment rod, and improving the service life and maintenance convenience of the seat.
Patent Information
- Application Number
- CN202520395979.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-07
AI Technical Summary
The adjustment rods of existing seat trays are prone to deformation or breakage after repeated use, and are not easy to replace.
The slide rail structure, through the combination design of pressure rod, rotating wheel, fixed frame, spring and movable frame, realizes the limiting of adjustment rod and convenient replacement. Combined with the detachable installation of connecting arm and mounting arm, it ensures the stability of adjustment rod and convenient replacement.
It effectively prevents the adjusting rod from deforming or breaking due to excessive force, simplifies the maintenance process, and facilitates the replacement and transportation of the adjusting rod.
Smart Images

Figure CN223682207U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of seat tray, specifically relates to a slide rail type height adjusting seat tray. BACKGROUND
[0002] The seat tray, also called seat chassis, is an important component installed below the seat, which can realize the lifting of the seat and the inclination angle adjustment of the backrest, for example, the seat tray disclosed in patent publication No. CN219629152U is convenient to adjust, when the height of the seat is adjusted, the adjusting rod is rotated and pressed downward to press the start button of the seat, so that the height of the seat is adjusted, but the adjusting rod is prone to deformation or fracture after being used for many times, which affects the normal use of the seat, and the damaged adjusting rod is not convenient to replace. SUMMARY
[0003] In view of the problem that the adjusting rod is prone to fracture due to excessive rotation and is inconvenient to replace in the prior art, the utility model provides a slide rail type height adjusting seat tray, which aims to limit the movement of the adjusting rod and realize convenient replacement of the adjusting rod.
[0004] The technical scheme adopted by the utility model is as follows:
[0005] A slide rail type height adjusting seat tray, comprising a tray main body and an adjusting rod, further comprising:
[0006] A pressing rod is rotatably arranged in the tray main body, and the rotating track intersects with the seat trigger switch;
[0007] A movable frame is slidably arranged in the tray main body, and one end of the adjusting rod is fixedly connected to the movable frame;
[0008] A mounting frame is fixedly arranged on the top surface of the movable frame;
[0009] A rotating wheel is rotatably arranged at the top end of the mounting frame and below the pressing rod;
[0010] The adjusting rod comprises a connecting arm and a mounting arm, and the connecting arm and the mounting arm are movably connected;
[0011] The above technical scheme realizes the limitation of the movement of the adjusting rod and the convenient replacement of the adjusting rod.
[0012] Further comprising:
[0013] A fixed frame is fixedly arranged in the tray main body, and the pressing rod is rotatably arranged on the top of the fixed frame;
[0014] A fixed block is fixedly arranged in the fixed frame;
[0015] The movable frame is movably arranged outside the fixed block.
[0016] The spring has two ends fixedly connected with the fixed frame and the movable frame.
[0017] Further comprising:
[0018] A pair of sliding grooves are symmetrically arranged on both sides of the fixed block.
[0019] A pair of sliding blocks are symmetrically fixedly arranged on the inner walls of the movable frame.
[0020] The movable end of the sliding block is movably arranged in the sliding groove.
[0021] The above technical solution limits the movement of the adjusting rod, and simultaneously starts the seat pneumatic switch.
[0022] The connecting arm comprises:
[0023] The column body one has a top end movably penetrating the tray body and fixedly connected with the mounting frame.
[0024] The ring groove is arranged on the outer side of the bottom of the main body one.
[0025] A plurality of mounting grooves are evenly arranged on the bottom end of the column body one around the center of the end face of the main body one.
[0026] A plurality of clamping grooves are evenly arranged on the bottom of the column body one and correspondingly communicated with the mounting grooves.
[0027] The mounting arm is movably clamped with the column body one through the clamping groove.
[0028] The mounting arm comprises:
[0029] The column body two has a sliding groove arranged in the top end, used for slidingly mounting the bottom of the column body one.
[0030] A plurality of communication holes are evenly arranged on the top of the column body two and communicated with the sliding groove.
[0031] A plurality of elastic plates have top ends fixedly connected with the inner wall of the communication hole and bottom ends extended downward into the sliding groove.
[0032] The elastic plate is opposite to the mounting groove in position.
[0033] The clamping block is fixedly arranged on the top surface of the elastic plate.
[0034] The pressing block is fixedly arranged on the top surface of the elastic plate and located on the side away from the bottom end of the clamping block.
[0035] The clamping block is movably clamped in the clamping groove.
[0036] Further comprising:
[0037] An arc surface is arranged on the side of the clamping block far from the pressing block;
[0038] The adjusting rod can be conveniently replaced by the technical scheme.
[0039] Further comprising:
[0040] A mounting hole is arranged in the fixing block for slidingly mounting a first column;
[0041] The adjusting rod can be conveniently pushed by the technical scheme.
[0042] Further comprising:
[0043] A handle is fixedly arranged on the bottom end of the second column;
[0044] The adjusting rod can be conveniently pushed by the technical scheme.
[0045] As described above, the adjusting rod can be conveniently replaced by the technical scheme.
[0046] 1. By arranging the adjusting rod and the rotating wheel, the rotating wheel is moved by pushing the adjusting rod, and the rotation of the pressing rod is realized by the sliding of the pressing rod on the surface of the rotating wheel, and the pneumatic button of the seat is pressed, so that the lifting structure is simple and convenient to maintain.
[0047] 2. By arranging the fixing frame and the spring, the movement distance of the adjusting rod is limited, so that the deformation or fracture of the pressing rod caused by excessive force is prevented.
[0048] 3. By arranging the connecting arm and the mounting arm, the adjusting rod can be detachably mounted, which not only facilitates the replacement of the adjusting rod, but also facilitates the transportation of the adjusting rod during the transportation of the seat. BRIEF DESCRIPTION OF DRAWINGS
[0049] The utility model will be explained by examples and with reference to the drawings, wherein:
[0050] Figure 1 is a front view of the seat tray;
[0051] Figure 2 is a front view of the tray body;
[0052] Figure 3 is a front view of the adjusting rod;
[0053] Figure 4 is a schematic view of the first column;
[0054] Figure 5 is Figure 2 is an enlarged schematic view of the local structure at A in the fixing frame;
[0055] Figure 6 is Figure 2 is a local structure amplification schematic view at B in the middle.
[0056] The drawings show: 1-tray body, 2-adjusting rod, 3-pressing rod, 41-fixed frame, 42-movable frame, 43-spring, 44-mounting frame, 45-rotating wheel, 46-fixed block, 47-slotted, 48-sliding block, 5-connecting arm, 51-cylinder one, 52-ring groove, 53-mounting groove, 54-clamping groove, 6-mounting arm, 61-cylinder two, 62-communication hole, 63-elastic plate, 64-elastic plate, 65-clamping block, 66-pressing block, 67-arc surface, 7-mounting hole, 8-handle. DETAILED DESCRIPTION
[0057] All features disclosed in this specification, and / or all steps of any methods or processes disclosed, may be combined in any combination, except combinations where at least some of the features and / or steps are mutually exclusive.
[0058] Embodiment one:
[0059] The utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch. Figures 1-2 The utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch.
[0060] The utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch.
[0061] Further, the utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch.
[0062] Further, the utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch.
[0063] Further, the utility model discloses a tray for height-adjustable seat, which comprises a tray body and an adjusting rod, and further comprises a pressing rod, which is rotatably arranged in the tray body and has a rotating track intersecting with a seat trigger switch.
[0064] One side of the tray body 1 is fixedly provided with a fixed block 46, the fixed block 46 is provided with a mounting hole 7 in the center, and the mounting hole 7 is in communication with the tray body 1.
[0065] The outer walls of the fixed block 46 are provided with sliding grooves 47 on both sides, and a movable frame 42 is slidably provided on the outer side of the fixed block 46. The inner walls of the movable frame 42 are provided with sliders 48 on both sides. By sliding the sliders 48 into the sliding grooves 47, the movable frame 42 can slide on the surface of the fixed block 46.
[0066] The fixing frame 41 is fixedly installed inside the pallet body 1, and the fixing frame 41 is L-shaped; one end of the fixing frame 41 is fixedly connected to the pallet body 1, and the fixing block 46 is fixedly installed inside the fixing frame; the other end of the fixing frame 41 is provided with a rotating hole, and a rotating rod is fixedly installed in the rotating hole; the pressure rod 3 movably passes through the rotating hole and is movably sleeved outside the rotating rod, so that the pressure rod 3 can rotate around the rotating rod; the top surface of the movable frame 42 is fixedly installed with a mounting frame 44, and a rotating wheel 45 is rotatably installed on the mounting frame 44; at the same time, the rotating wheel 45 abuts against the bottom end of the pressure rod 3, and the pressure rod 3 can be driven to slide on the surface of the rotating wheel 45 by the movement of the mounting frame 44, and the pressure rod 3 rotates at the same time.
[0067] The pneumatic button is located inside the seat, and the top of the pneumatic button is located on the rotation trajectory of the top of the lever 3.
[0068] A spring 43 is fixedly connected between the movable frame 42 and the fixed frame 41. The movable frame 42 can be reset by the spring 43.
[0069] The bottom end of the adjusting rod 2 moves through the tray body 1 and the mounting hole 7, and is fixedly connected to the movable frame 42 to push the movable frame 42 to move. At the same time, a handle 8 is fixedly installed at the bottom end of the adjusting rod 2 to facilitate pushing the adjusting rod 2.
[0070] When adjusting the seat height, push the adjusting rod 2 into the tray body 1. The adjusting rod 2 pushes the movable frame 42 to move. At the same time, the moving distance of the adjusting rod 2 is limited by the setting of the fixing bracket 41. The movable frame 42 drives the rotating wheel 45 to move. The movement of the rotating wheel 45 pushes the pressure rod 3 to rotate counterclockwise. The rotation of the pressure rod 3 presses down the start switch of the seat to realize the height adjustment of the seat. When the movable frame 42 moves, it drives the slider 48 to slide in the slide groove 47, and at the same time compresses the spring 43. The spring 43 restores its deformation and pushes the movable frame 42 and the adjusting rod 2 back to their original positions.
[0071] Example 2:
[0072] The following is combined with Figures 1-2 This utility model will be described in detail.
[0073] A sliding rail type height-adjustable seat tray also includes an adjustment rod 2, which includes a connecting arm 5 and a mounting arm 6, and the connecting arm 5 and the mounting arm 6 are movably engaged.
[0074] Further, the connecting arm 5 includes a column body one 51, the top end of which is movably penetrated through the tray body 1 and fixedly connected with the mounting frame 44; a ring groove 52, which is arranged on the bottom outer side of the column body one; a plurality of mounting grooves 53, which are evenly arranged on the bottom end of the column body one 51 and distributed around the center of the end face of the column body one; a plurality of clamping grooves 54, which are evenly arranged on the bottom of the column body one 51 and correspondingly communicated with the mounting grooves 53; wherein the mounting arm 6 is movably clamped with the column body one 51 through the clamping grooves 54.
[0075] Further, the mounting arm 6 includes a column body two 61, the top end of which is provided with a sliding groove for slidingly mounting the bottom of the column body one 51; a plurality of communication holes 62, which are evenly arranged on the top outer side of the column body two 61 and communicated with the sliding groove; a plurality of elastic plates 63, the top end of which is fixedly connected with the inner wall of the communication hole 62 and the bottom end of which extends downward into the sliding groove; wherein the elastic plate 63 is opposite to the mounting groove 53 in position; a clamping block 6564, which is fixedly arranged on the top surface of the elastic plate 63; a pressing block 66, which is fixedly arranged on the top surface of the elastic plate 63 and located on the side of the clamping block 6564 away from the bottom end; wherein the clamping block 6564 is movably clamped in the clamping groove 54.
[0076] Further, it further includes an arc surface 67, which is arranged on the side of the clamping block 6564 away from the pressing block 66.
[0077] Further, it further includes a handle 8, which is fixedly arranged on the bottom end of the column body two 61.
[0078] The top end of the column body one 51 is movably penetrated through the tray body 1 and the mounting hole 7 and fixedly connected with the movable frame 42; the bottom outer circumferential side of the column body one 51 is provided with the ring groove 52; meanwhile, the bottom of the column body one 51 is evenly provided with a plurality of mounting grooves 53, which are distributed around the center of the end face of the column body one; the bottom circumferential side of the column body one 51 is provided with a plurality of clamping grooves 54, which are also distributed around the center of the end face of the column body one, and the clamping grooves 54 are communicated with the ring groove 52 and the mounting grooves 53 in position.
[0079] The top end of the column body two 61 is provided with a sliding groove, which is matched with the ring groove 52, i.e. the outer diameter of the ring groove 52 is equal to the inner diameter of the sliding groove, so as to movably mount the bottom end of the column body one 51 into the sliding groove; the top outer circumferential side of the column body two 61 is provided with a plurality of communication holes 62, which are communicated with the sliding groove, and the communication holes 62 are arranged around the center of the end face of the column body two 61 and correspond to the clamping grooves 54 in position and communicated with the clamping grooves 54; the communication holes 62 are fixedly mounted with the elastic plates 63, the bottom end of which is fixedly connected with the inner wall of the communication hole 62 and the other end of which extends downward into the sliding groove, so as to insert the elastic plate 63 into the mounting groove 53.
[0080] The top surface of the top end of the elastic plate 63 is fixedly provided with a clamping block 6564, and the outer side surface of the clamping block 6564 is provided with an arc surface 67, so that the friction between the clamping block 6564 and the column body 1 is reduced. The top surface of the elastic plate 63 is fixedly provided with a pressing block 66 in the middle.
[0081] The bottom of the column body 1 is movably inserted into the sliding groove of the column body 2, at this time, the elastic plate 63 is movably inserted into the mounting groove 53, and the clamping block 6564 is movably clamped into the clamping groove 54, so that the column body 1 and the column body 2 are movably clamped, and when the connecting arm 5 and the mounting arm 6 are disassembled, the elastic plate 63 can be installed downward by the pressing block 66, so that the clamping block 6564 is separated from the clamping groove 54, and then the adjusting rod 2 is conveniently disassembled and replaced.
[0082] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the protection scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the technical scheme concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.
Claims
1. A slide rail type height adjustable seat pan comprising a pan body (1) and an adjustment lever (2), characterized in that, Also includes: The pressure bar (3) is rotatably arranged in the tray body (1), and the rotation track intersects with the seat trigger switch; The movable frame (42) is slidably arranged in the tray body (1), and one end of the adjusting rod (2) is fixedly connected; The mounting bracket (44) is fixedly arranged on the top surface of the movable frame (42); The rotating wheel (45) is rotatably arranged on the top end of the mounting bracket (44) below the pressure bar (3); The adjusting rod (2) includes a connecting arm (5) and a mounting arm (6), and the connecting arm (5) and the mounting arm (6) are movably connected.
2. A slide rail type height adjustable seat tray according to claim 1, characterized in that, Also includes: The fixed frame (41) is fixedly arranged in the tray body (1), and the pressure bar (3) is rotatably arranged on the top; The fixed block (46) is fixedly arranged in the fixed frame (41); The movable frame (42) is slidably arranged outside the fixed block (46); The spring (43) has two ends fixedly connected with the fixed frame (41) and the movable frame (42).
3. A slide rail type height adjustable seat tray according to claim 2, wherein, Also includes: A pair of sliding grooves (47) are symmetrically arranged on both sides of the fixed block (46); A pair of sliding blocks (48) are symmetrically fixedly arranged on the inner walls of the movable frame (42); The movable end of the sliding block (48) is movably arranged in the sliding groove (47).
4. A slide rail type height adjustable seat tray according to claim 3, wherein, The connecting arm (5) includes: The top end of the column body one (51) movably penetrates the tray body (1) and is fixedly connected with the mounting bracket (44); The ring groove (52) is arranged on the outer side of the bottom of the main body one; A plurality of mounting grooves (53) are evenly arranged on the bottom end of the column body one (51) around the center of the end surface of the main body one; A plurality of clamping grooves (54) are evenly arranged on the bottom of the column body one (51) and correspondingly communicated with the mounting grooves (53); The mounting arm (6) is movably connected with the column body one (51) through the clamping groove (54).
5. A slide rail type height adjustable seat tray according to claim 4, wherein, The mounting arm (6) includes: The top end of the column body two (61) is provided with a sliding groove (62) for slidingly mounting the bottom of the column body one (51); A plurality of communication holes (63) are evenly arranged on the top of the column body two (61) and communicated with the sliding groove (62); A plurality of elastic plates (64) are fixedly connected with the inner wall of the communication hole (63) at the top end and extended downward into the sliding groove (62) at the bottom end; The elastic plate (64) is opposite to the mounting groove (53) in position; The clamping block (65) is fixedly arranged on the top surface of the elastic plate (64); The pressing block (66) is fixedly arranged on the top surface of the elastic plate (64) away from the bottom end of the clamping block (65); wherein, the clamping block (65) is movably connected in the clamping groove (54).
6. A slide rail type height adjustable seat tray according to claim 5, wherein, Also includes: The arc surface (67) is arranged on the side of the clamping block (65) away from the pressing block (66).
7. A slide rail type height adjustable seat tray according to claim 4, wherein, Also includes: The mounting hole (7) is arranged in the fixed block (46) for slidingly mounting the column body one (51).
8. A slide rail type height adjustable seat tray according to claim 5, wherein, Also includes: The handle (8) is fixedly arranged on the bottom end of the column body two (61).
Citation Information
Patent Citations
Seat tray convenient to adjust
CN219629152U