Stable folding seat with buffering function
By designing retractable seat lifting components and gas spring structure in driverless train driver's room seats, the problem of shaking and lifting difficulties is solved, and stability and convenience are achieved, suitable for the field of unmanned transportation.
Patent Information
- Application Number
- CN202420990285.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The driver's room seats in driverless trains have problems such as excessive shaking and difficulty in lifting and pulling the seats.
A stable and cushioned folding seat is designed, using retractable seat lifting assembly, base assembly and seat translation assembly, combined with gas springs and precision guide rails to form a triangular support structure to ensure that the seat is lifted and lowered. Stability during translation and easy folding and unfolding through unlocking and flipping components.
It effectively reduces the amount of shaking of the seat, improves the stability and convenience of lifting and pulling, and makes the seat small in size but complete in functions after folding, and is suitable for the field of unmanned transportation.
Smart Images

Figure CN222224128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of unmanned driving vehicles, in particular to a stable folding seat with a buffering function. Background Art
[0002] At present, there are many types, styles and functions of seats in the unmanned driver's cab on trains. With the rapid development of unmanned trains in recent years, the technology has gradually matured, the automation system is also constantly developing, and vehicles are also moving towards unmanned driving. Unmanned trains have begun to operate on subway projects.
[0003] However, according to operational feedback in recent years, the seats in the driver's cab generally have shortcomings such as excessive shaking and difficulty in raising, lowering and retracting the seats. Utility Model Content
[0004] The utility model aims to provide a folding seat which is stable and has a buffering function, and can solve the problem of difficulty in lifting, retracting and pulling the seat and reduce the shaking of the seat.
[0005] The embodiment of the utility model is achieved as follows:
[0006] A folding seat that is stable and has a buffering function, the folding seat comprising: a seat lifting assembly, a base assembly, a seat translation assembly and a folding seat assembly, the seat lifting assembly being a retractable plate structure, a first flipping part and a second flipping part being respectively arranged at both ends of the seat lifting assembly, the first flipping part being provided with a first flip unlocking member, and the second flipping part being provided with a second flip unlocking member; the base assembly comprising a base assembly and a diagonal support assembly; a first deflection seat being rotatably connected to the first flipping part is arranged on the base assembly, when the first flip unlocking member is in an unlocked state, the seat lifting assembly can rotate within a certain angle based on the first deflection seat; the diagonal support assembly is connected to the middle part of the bottom surface of the seat lifting assembly; the seat translation assembly being a retractable plate structure, a second deflection seat being rotatably connected to the second flipping part is arranged at the bottom of the seat translation assembly, when the second flip unlocking member unlocks the locking state between the second deflection seat and the second flipping part, the seat translation assembly and the seat lifting assembly can be in a folded or unfolded state; the folding seat assembly comprising a seat cushion assembly and a backrest assembly being rotatably connected to the seat cushion assembly.
[0007] In a preferred embodiment of the utility model, the above-mentioned seat lifting assembly includes: a lower plate body, a seat lifting and moving slide rail, a gas spring and an upper cover plate, the lower plate body is provided with a first groove body with an open end face, and the other end face of the lower plate body is fixedly provided with a first flip part and a first flip unlocking piece; the bottom face of the first groove body is provided with a connecting block connected to the diagonal support assembly on the side close to the open end face; the seat lifting and moving slide rail is fixedly provided in the first groove body; the gas spring is provided in the first groove body and one end is fixedly connected to the first groove body; the upper cover plate is assembled on the seat lifting and moving slide rail and is connected to the other end of the gas spring; the top end of the upper cover plate is provided with a second flip part and a second flip unlocking piece.
[0008] In a preferred embodiment of the present invention, a lifting and adjusting lock box is also provided on the side of the above-mentioned lower plate body, and the lifting and adjusting lock box is provided with a lock tongue connected to the guide rail slider lock, a lifting and adjusting handle for switching the lock tongue to an unlocked or locked state, and a return spring connected to the lifting and adjusting handle.
[0009] In a preferred embodiment of the present invention, the seat lifting assembly further comprises a decorative cover plate assembled on the upper cover plate.
[0010] In a preferred embodiment of the utility model, the above-mentioned diagonal brace assembly includes a support leg, one end of which is provided with a connecting hole. After aligning the connecting hole with the hole on the connecting block, a connecting bolt is installed to fix the support leg.
[0011] In a preferred embodiment of the utility model, the above-mentioned first deflection seat includes a U-shaped deflection seat body and a lifting connecting bolt, and at least one side of the U-shaped deflection seat body is provided with a cavity for assembling a flip limit lock; after the lifting connecting bolt passes through the hole on the first flip part, at least one end is connected to the flip limit lock.
[0012] In a preferred embodiment of the present invention, the above-mentioned seat translation assembly includes: a slide rail mounting seat, a seat cushion moving slide rail and a U-shaped control handle. The slide rail mounting seat is a plate structure, and two horizontally arranged slide grooves are arranged on the plate surface; a seat handle is arranged at the tail of the slide rail mounting seat, and a second deflection seat is arranged at the bottom; two seat cushion moving slide rails are assembled on the slide grooves; a stop structure is arranged on the inner side of the seat cushion moving slide rail; the two ends of the U-shaped control handle are respectively connected to the stop structures, and when the U-shaped control handle is pressed down, the stop structure is temporarily disengaged from the slide rail mounting seat to release the seat cushion moving slide rail to move forward and backward on the slide rail mounting seat.
[0013] In a preferred embodiment of the present utility model, the above-mentioned second flip unlocking member includes: an unlocking block and a seat cushion folding unlocking handle, the bottom surface of the unlocking block is fixedly connected to the upper cover plate; one end of the unlocking block is provided with a hole connected to the second deflection seat, which is fixed by a connecting bolt; the seat cushion folding unlocking handle is rotatably connected to the other end of the unlocking block, and a support block is provided on the handle, and when the seat cushion folding unlocking handle is rotated, the support block can be stored or extended outside the unlocking block.
[0014] The beneficial effects of the embodiments of the utility model are:
[0015] 1. The foldable seat in the utility model has a seat lifting assembly configured as a retractable wide plate structure, and the bottom is supported by a base assembly and a diagonal support assembly to form a triangular support, which has sufficient stability and is more stable and less swaying when lifting, retracting, or pulling;
[0016] 2. The seat lifting assembly can be folded with the base assembly, the diagonal support assembly, and the seat translation assembly, and the seat cushion assembly and the backrest assembly can be folded, so that the entire folding seat is small in size after folding, but has complete functions and is suitable for various unmanned transportation fields at present;
[0017] 3. Precision guide rails and gas springs are installed in the seat lifting assembly to make the lifting and adjustment process more stable and reduce the amount of shaking. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 This is a schematic diagram of the structure of the seat of the embodiment of the utility model when it is in use;
[0020] Figure 2 It is a schematic diagram of the structure of the seat of the embodiment of the utility model when it is in a folded state;
[0021] Figure 3 This is a schematic diagram of the seat explosion structure of an embodiment of the utility model;
[0022] Icons: 100-seat lifting assembly; 110-first flip part; 111-first flip unlocking piece; 120-second flip part; 121-second flip unlocking piece; 122-unlocking block; 123-seat cushion folding unlocking handle; 124-support block; 130-lower plate; 131-lifting adjustment lock box; 132-lock tongue; 133-lifting adjustment handle; 134-return spring; 140-seat lifting sliding rail; 150-gas spring; 160-upper cover; 170-connecting block; 180-decorative cover;
[0023] 200-base assembly; 210-base assembly; 211-U-shaped deflection seat body; 212-lifting connecting bolt; 213-flip limit lock; 220-diagonal support assembly; 221-support leg; 222-mounting seat connecting bolt;
[0024] 300-seat translation assembly; 310-second deflection seat; 320-slide rail mounting seat; 330-seat cushion moving slide rail; 340-U-shaped control handle; 350-seat handle;
[0025] 400-folding seat assembly; 410-seat cushion assembly; 420-backrest assembly. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0029] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0030] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] First embodiment
[0033] See also Figure 1-3 The present embodiment provides a stable folding seat with a buffering function, which comprises: a retractable seat lifting assembly 100, a base assembly 200 disposed below the seat lifting assembly 100 and forming a triangular support, a seat translation assembly 300 disposed above the seat lifting assembly 100 and capable of being stored and folded to be horizontal with the seat lifting assembly 100, and a folding seat assembly 400 assembled on the seat translation assembly 300. The folded folding seat forms a rectangular structure slightly longer than the folding seat assembly 400, and has a powerful folding and storage function.
[0034] The seat lifting assembly 100 is a retractable wide plate structure, the width of which is only slightly smaller than the width of the seat cushion. The first flip part 110 and the second flip part 120 are respectively provided at both ends of the seat lifting assembly 100, which are used for folding the base assembly 200 and the seat translation assembly 300 and the folding seat assembly 400 respectively. Correspondingly, the first flip part 110 is provided with a first flip unlocking member 111, and the second flip part 120 is provided with a second flip unlocking member 121. Only when they are in the unlocked state, the seat adjustment function can be completed to ensure the stability of the seat.
[0035] Specifically, the seat lifting assembly 100 includes a lower plate 130, a seat lifting movable slide rail 140, a gas spring 150 and an upper cover plate 160. The lower plate 130 is provided with a first groove body with an open end surface for assembling the seat lifting movable slide rail 140 and the gas spring 150. The other end surface of the lower plate 130 is fixedly provided with a first flip portion 110 and a first flip unlocking member 111. When the first flip unlocking member 111 is in an unlocked state, the first flip portion 110 can be folded into a state horizontal with the base assembly.
[0036] A connecting block 170 connected to the diagonal brace assembly is disposed at the bottom of the first trough body and close to one side of the open end surface, so that the seat lifting assembly 100, the diagonal brace assembly and the ground can form a triangular stable structure.
[0037] The bottom surface of the seat lifting and moving slide rail 140 is fixedly arranged in the first groove body, and a precision slider is arranged on the upper part of the seat lifting and moving slide rail 140, and the upper part of the slider is connected to the upper cover plate 160, so that the upper cover plate 160 can move linearly based on the lower plate body 130. The gas spring 150 is arranged in the first groove body and one end is fixedly connected to the first groove body; the upper cover plate 160 is assembled on the slider of the seat lifting and moving slide rail 140 and connected to the other end of the gas spring 150. The introduction of the gas spring 150 makes it more stable during adjustment and not easy to shake.
[0038] A second flip portion 120 and a second flip unlocking member 121 are provided at one end of the top of the upper cover plate 160 for connecting the seat translation assembly 300 . When the second flip unlocking member 121 is in an unlocked state, the second flip portion 120 can fold the seat translation assembly 300 onto the seat lifting assembly 100 .
[0039] A lifting adjustment lock box 131 is also provided on the side of the lower plate 130 for assembling an unlocking member for controlling lifting. Specifically, the lifting adjustment lock box 131 is provided with a lock tongue 132 connected to the guide rail slider lock, a lifting adjustment handle 133 for switching the lock tongue 132 to an unlocked or locked state, and a return spring 134 connected to the lifting adjustment handle 133. When in the unlocked state, the guide rail slider lock is unlocked, so that the slider on the guide rail can smoothly move in a straight line, and the gas spring 150 provided inside is used to cushion the seat to ensure the adjustment stability.
[0040] The seat lift assembly 100 further includes a decorative cover plate 180 assembled on the upper cover plate 160 .
[0041] The lifting and adjusting function is provided by the upper cover plate 160 and the lower plate body 130, with a precision guide rail installed in the middle. The precision guide rail slider and the guide rail rod are installed on the upper cover plate 160 and the lower plate body 130 respectively. The lower plate body 130 is welded with a seat flip handle mechanism for connecting the installation base assembly, and the bottom is also connected to the seat support leg. The lifting and unlocking mechanism is installed on the side of the lower plate body 130. The lifting and unlocking mechanism is welded and assembled by carbon steel. The lifting and unlocking mechanism is provided with a lifting and adjusting handle 133, a lock tongue 132, and a return spring 134 inside, and a decorative lock box outside. The lock tongue 132 is limited by the side opening of the lower plate body 130. The upper cover plate 160 is welded with a seat cushion folding handle mechanism, which is connected to the slide rail mounting seat, and the upper cover plate 160 moves synchronously with the slider. A gas spring 150 is provided inside the lifting mechanism, one end of which is connected to the lower plate body 130 and the other end is connected to the upper cover plate 160, so as to achieve a buffering effect when the seat is lowered.
[0042] The base assembly 200 includes a base assembly 210 and a diagonal support assembly 220 .
[0043] The base assembly 210 is provided with a first deflection seat and a bottom plate rotatably connected to the first flip portion 110 . When the first flip unlocking member 111 is in an unlocked state, the seat lifting assembly 100 can rotate within a certain angle based on the first deflection seat.
[0044] The first deflection seat includes a U-shaped deflection seat body 211 and a lifting connection bolt 212. At least one side of the U-shaped deflection seat body 211 is provided with a cavity for assembling a flip limit lock 213. After the lifting connection bolt 212 passes through the hole on the first flip part 110, at least one end is connected to the flip limit lock 213. When the seat flip handle is turned, the seat flip limit lock 213 releases the lifting connection bolt 212, so that the seat lifting assembly 100 and the base assembly 210 can be folded.
[0045] The seat folding function; the base assembly 210 is provided with a seat flip limit lock 213, which needs to be unlocked with a four-corner lock key when in use. The corresponding control handles are all equipped with return springs.
[0046] The diagonal brace assembly 220 is connected to the middle of the bottom surface of the seat lift assembly 100 to form a triangular support. The diagonal brace assembly 220 includes a support leg 221, one end of which is provided with a connection hole. After aligning the connection hole with the hole on the connection block 170, the mounting seat connection bolt 222 is installed to fix the support leg 221. The diagonal brace assembly 220 and the seat lift assembly 100 can be folded by rotating the mounting seat connection bolt 222.
[0047] The seat translation assembly 300 is also a retractable plate structure. A second deflection seat 310 rotatably connected to the second flip part 120 is provided at the bottom of the seat translation assembly 300, and is connected via a slide rail mounting seat connecting bolt 222. When the second flip unlocking member 121 unlocks the second deflection seat 310 and the second flip part 120 to an unlocked / locked state, the seat translation assembly 300 and the seat lifting assembly 100 can be in a folded or unfolded state.
[0048] The seat translation assembly 300 includes a slide rail mounting seat 320, a seat cushion moving slide rail 330 and a U-shaped control handle 340. The slide rail mounting seat 320 is a plate structure with two horizontally arranged slide grooves on the plate surface; a seat handle 350 is arranged at the tail end of the slide rail mounting seat 320, and a second deflection seat 310 is arranged at the bottom; two seat cushion moving slide rails 330 are assembled on the slide grooves; a stop structure is arranged on the inner side of the seat cushion moving slide rail 330; both ends of the U-shaped control handle 340 are respectively connected to the stop structure. When the U-shaped control handle 340 is pressed down, the stop structure is temporarily disengaged from the slide rail mounting seat 320 to release the seat cushion moving slide rail 330 to move forward and backward on the slide rail mounting seat 320.
[0049] The second flip unlocking member 121 includes: an unlocking block 122 and a seat cushion folding unlocking handle 123, the bottom surface of the unlocking block 122 is fixedly connected to the upper cover plate 160; one end of the unlocking block 122 is provided with a hole connected to the second deflection seat 310, which is fixed by a connecting bolt; the seat cushion folding unlocking handle 123 is rotatably connected to the other end of the unlocking block 122, and a support block 124 is provided on the handle, and when the seat cushion folding unlocking handle 123 is rotated, the support block 124 can be stored or extended outside the unlocking block 122.
[0050] Seat forward and backward movement function: A pair of forward and backward movement slide rails are set at the upper end of the seat slide rail installation, connected to the seat cushion assembly. The seat forward and backward movement slide rails are composed of left and right end slide rails and the middle seat forward and backward movement handle to form a complete set of seat forward and backward movement mechanism. The left and right end slide rails are formed by a molded slide rail inner shell and a slide rail outer shell. The mounting hole on the slide rail inner shell is connected to the slide rail mounting seat 320, and the mounting hole on the slide rail outer shell is connected to the seat cushion assembly. A steel ball is set between the slide rail inner shell and the slide rail outer shell to slide in the guide groove of the slide rail inner shell.
[0051] The folding seat assembly 400 includes a cushion assembly 410 and a backrest assembly 420 rotatably connected to the cushion assembly 410, and the backrest assembly 420 can be folded on the cushion assembly 410. The cushion and backrest of the seat are both wrapped with polyurethane foam with a wide fabric of 480 mm, and the comfort is good.
[0052] How the seat works:
[0053] When the seat is in use, use the four-corner lock key to unlock the seat flip limit lock on the seat base assembly, directly open the supporting legs to the maximum, move the seat flip handle forward, and the seat can be flipped and unfolded through the connecting shaft on the base.
[0054] Adjust the lifting handle, pull the seat lifting adjustment handle backward with your left hand, pull the seat handle with your right hand, and adjust the seat cushion height by driving the seat cushion upward through the precision guide rail in the lifting assembly.
[0055] Lift the seat handle to move the seat forward and backward, and the seat cushion can be moved forward and backward by moving the slide rail forward and backward to drive the position of the part above the seat cushion in the horizontal direction to move forward and backward.
[0056] Move the seat cushion folding unlocking handle forward to fold the seat cushion assembly.
[0057] 5. The seat can be used normally only when the backrest is opened to the limit angle.
[0058] The beneficial effects of the embodiments of the utility model are:
[0059] 1. The foldable seat in the present invention has a seat lifting assembly 100 which is configured as a retractable wide plate structure, and the bottom is supported by a base assembly 210 and a diagonal support assembly 220 to form a triangular support, which has sufficient stability and is more stable and less swaying when lifting, retracting, or pulling.
[0060] 2. The seat lifting assembly 100 is foldable with the base assembly 210, the diagonal support assembly 220, and the seat translation assembly 300, and the seat cushion assembly 410 and the backrest assembly 420 are both foldable, so that the entire foldable seat is small in size after folding, but has complete functions and is suitable for various unmanned transportation fields at present;
[0061] 3. Precision guide rails and gas springs 150 are installed in the seat lifting assembly 100 to make the lifting and adjusting process more stable and reduce the amount of shaking.
[0062] This specification describes examples of embodiments of the utility model, and it is not intended that these embodiments illustrate and describe all possible forms of the utility model. It should be understood that the embodiments in the specification can be implemented in a variety of alternative forms. The drawings do not need to be drawn to scale; some features can be enlarged or reduced to show the details of specific components. The specific structural and functional details disclosed should not be interpreted as limiting, but are merely representative bases for teaching those skilled in the art to implement the utility model in various forms. It should be understood by those skilled in the art that the multiple features illustrated and described with reference to any of the drawings can be combined with the features illustrated in one or more other drawings to form embodiments that are not explicitly described or described. The described combined features provide representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the utility model can be used for specific applications or implementations as needed.
[0063] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A stable and cushioning folding seat, characterized in that: The folding seat comprises: A seat lifting assembly, the seat lifting assembly is a retractable plate structure, the two ends of the seat lifting assembly are respectively provided with a first flip part and a second flip part, and the first flip part is provided with a first flip unlocking member, and the second flip part is provided with a second flip unlocking member; A base assembly, the base assembly includes a base assembly and a diagonal support assembly; the base assembly is provided with a first deflection seat rotatably connected to the first flip part, when the first flip unlocking member is in an unlocked state, the seat lifting assembly can rotate within a certain angle based on the first deflection seat; the diagonal support assembly is connected to the middle part of the bottom surface of the seat lifting assembly; A seat translation assembly, the seat translation assembly is a retractable plate structure, a second deflection seat rotatably connected to the second flip part is provided at the bottom of the seat translation assembly, when the second flip unlocking member unlocks the locking state between the second deflection seat and the second flip part, the seat translation assembly and the seat lifting assembly can be in a folded or unfolded state; A folding seat assembly comprises a seat cushion assembly and a backrest assembly rotatably connected to the seat cushion assembly.
2. The stable and cushioning folding seat according to claim 1, characterized in that: The seat lifting assembly comprises: A lower plate body, wherein the lower plate body is provided with a first slot body with an open end surface, and the first flip portion and the first flip unlocking member are fixedly provided on the other end surface of the lower plate body; a connecting block connected to the diagonal support assembly is provided on the bottom surface of the first slot body close to the open end surface; A seat lifting and moving slide rail is fixedly arranged in the first slot body; A gas spring, disposed in the first slot body and having one end fixedly connected to the first slot body; An upper cover plate is assembled on the seat lifting and moving slide rail and connected to the other end of the gas spring; the second flip portion and the second flip unlocking member are arranged at one end of the top of the upper cover plate.
3. The stable and cushioning folding seat according to claim 2, characterized in that: A lifting and adjusting lock box is also provided on the side of the lower plate body, and a lock tongue connected to the guide rail slider lock, a lifting and adjusting handle for switching the lock tongue to an unlocked or locked state, and a return spring connected to the lifting and adjusting handle are arranged in the lifting and adjusting lock box.
4. The stable and cushioning folding seat according to claim 2, characterized in that: The seat lifting assembly also includes a decorative cover plate assembled on the upper cover plate.
5. The stable and cushioning folding seat according to claim 2, characterized in that: The diagonal brace assembly comprises a supporting leg, one end of which is provided with a connecting hole. After the connecting hole is aligned with the hole on the connecting block, a connecting bolt is installed to fix the supporting leg.
6. The stable and cushioning folding seat according to claim 1, characterized in that: The first deflection seat comprises: A U-shaped deflection seat body, wherein at least one side of the U-shaped deflection seat body is provided with a cavity for assembling a flip limit lock; A lifting connecting bolt, after passing through the hole on the first flip part, at least one end of the lifting connecting bolt is connected to the flip limit lock.
7. The stable and cushioning folding seat according to claim 1, characterized in that: The seat translation assembly comprises: The slide rail mounting seat is a plate structure with two horizontally arranged slide grooves arranged on the plate surface; a seat handle is arranged at the tail of the slide rail mounting seat, and the second deflection seat is arranged at the bottom; A seat cushion moving slide rail, wherein two seat cushion moving slide rails are assembled on the slide groove; a stop structure is arranged on the inner side of the seat cushion moving slide rail; The two ends of the U-shaped control handle are respectively connected to the stop structure. When the U-shaped control handle is pressed down, the stop structure is temporarily separated from the slide rail mounting seat to release the seat cushion moving slide rail to move forward and backward on the slide rail mounting seat.
8. The stable and cushioning folding seat according to claim 2, characterized in that: The second flip unlocking member comprises: An unlocking block, the bottom surface of which is fixedly connected to the upper cover plate; one end of the unlocking block is provided with a hole connected to the second deflection seat and is fixed by a connecting bolt; A seat cushion folding unlocking handle is rotatably connected to the other end of the unlocking block. A support block is provided on the handle. When the seat cushion folding unlocking handle is rotated, the support block can be stored or extended outside the unlocking block.
