Seat lifting device with multiple supporting rods and electric vehicle

Abstract

According to the multi-supporting-rod seat lifting device and the electric vehicle comprising the multi-supporting-rod seat lifting device, the main supporting rod is combined with the at least one auxiliary supporting rod, the main supporting rod can conduct main loading, and the at least one auxiliary supporting rod can disperse dynamic stress and share radial stress; the problems that a traditional single supporting rod is provided with a single longitudinal stress path, loads are concentrated in the middle of a rod body, so that the bending moment is too large, and port fatigue is loose and becomes large are avoided, and the overall service life is longer. Meanwhile, one-rod or multi-rod unlocking of the main supporting rod or at least one auxiliary supporting rod can be achieved through the self-locking adjusting mechanism, and multi-rod unlocking can be achieved through single-time pressing.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicle seat adjustment, and particularly to a seat lifting device with multiple support rods and an electric vehicle including the device. Background Art

[0002] The single support rod design structure of traditional electric bicycle seats usually adopts a simple support rod connection method. Its main features include: single-arm flat fork structure: Some electric bicycles adopt a single-arm flat fork structure. This design simplifies the installation and disassembly process and reduces costs by connecting the seat to the frame with a single support rod.

[0003] Support rod material and connection method: The support rod is generally made of aluminum or steel and is fixed to the frame with bolts to ensure the stability and durability of the structure. Adjustment function: Some seat support rod designs allow adjustment of height and angle to meet the needs of different riders. For example, the seat rod is fixed with a quick-release or tightenable clamp.

[0004] Traditional electric vehicle seats adopt a single support rod for lifting design. The single support rod has a single longitudinal stress path, and the load is concentrated in the middle of the rod, resulting in excessive bending moment, especially when the seat height is relatively high. The rear seat rod only relies on a single-point fixation, which is prone to stress concentration, prone to rod body bending or fatigue loosening of the connection port of the support rod, and is likely to cause accidental unlocking, presenting a safety hazard. There is an urgent need for a seat lifting device with multiple support rods to solve the above problems. Summary of the Invention

[0005] The present invention provides a seat lifting device with multiple support rods and an electric vehicle including the device. The seat adopts a main support rod combined with at least one auxiliary support rod. The main support rod can bear the main load, and at least one auxiliary support rod can disperse dynamic stress and share radial stress, avoiding the single longitudinal stress path of the traditional single support rod, where the load is concentrated in the middle of the rod, resulting in excessive bending moment and fatigue loosening of the port becoming larger. Its overall service life is longer; at the same time, through the self-locking adjustment mechanism, one or more support rods of the main support rod or at least one auxiliary support rod can be unfastened.

[0006] A seat lifting device with multiple support rods according to an embodiment of the present application includes:

[0007] A telescopic support for connecting the main body of the electric vehicle body;

[0008] A main support rod vertically inserted into the telescopic support and capable of sliding axially along the telescopic support;

[0009] At least one auxiliary support rod vertically inserted into the telescopic support and arranged parallel to the side of the main support rod;

[0010] A saddle assembly, connected to the top of the at least one auxiliary support rod and the main support rod;

[0011] A self-locking adjustment mechanism, arranged at the top of the telescopic support, and the limiting end of the self-locking adjustment mechanism can be inserted radially along the main support rod and / or the at least one auxiliary support rod, and can limit the main support rod and / or the at least one auxiliary support rod to slide on the telescopic support;

[0012] An elastic reset member, arranged at the bottom of the main support rod to play a buffering role; and / or, the elastic reset member is arranged at the bottom of the at least one auxiliary support rod to generate a continuous upward boosting force when the self-locking adjustment mechanism is unlocked.

[0013] Further, as a more preferred embodiment of the present invention:

[0014] A plurality of first card slots are uniformly distributed along the axial direction on the outer wall of the main support rod;

[0015] The structural dimensions of the at least one auxiliary support rod are the same as those of the main support rod;

[0016] The main support rod and one of the auxiliary support rods are uniformly arranged on the telescopic support.

[0017] Further, as a more preferred embodiment of the present invention:

[0018] The at least one auxiliary support rod is less than or equal to the main support rod;

[0019] A plurality of second card slots are uniformly distributed along the axial direction on the outer wall of the main support rod;

[0020] The main support rod is arranged in the middle of the telescopic support;

[0021] The at least one auxiliary support rod is arranged on both sides of the main support rod respectively.

[0022] Further, as a more preferred embodiment of the present invention:

[0023] The telescopic support includes:

[0024] A first sliding cavity, which can be inserted by the main support rod and is slidably connected to the main support rod;

[0025] At least one second sliding cavity, which can be inserted by the at least one auxiliary support rod and is slidably connected to the at least one auxiliary support rod.

[0026] Further, as a more preferred embodiment of the present invention:

[0027] The self-locking adjustment mechanism includes:

[0028] A snap component, the snap component includes at least one snap end and a release end, and the at least one snap end shrinks when the release end is pressed; an installation window for installing the snap component is provided at the top of the telescopic support;

[0029] A limit cover, the limit cover is detachably connected to the top of the telescopic support, and the snap component can be clamped and fixed in the installation window by the limit cover;

[0030] The at least one snap end can be snapped into the first card slot of the main support rod and / or the at least one auxiliary support rod.

[0031] Further, as a more preferred embodiment of the present invention:

[0032] The saddle assembly includes:

[0033] A seat cushion for sitting;

[0034] A transfer connecting plate member, the top is detachably connected to the seat cushion, and a horizontally arranged guide rail is provided at the bottom;

[0035] A support plate member for connecting to the tops of the main support rod and the at least one auxiliary support rod, and a guide groove adapted to the guide rail is provided at the top thereof; the guide rail is slidably connected to the guide groove;

[0036] A locking member is movably connected to the support plate member, and one end thereof can be displaced towards the transfer connecting plate member and abutted to limit the displacement of the guide rail in the guide groove.

[0037] Further, as a more preferred embodiment of the present invention:

[0038] The guide rail is provided with a plurality of limit jacks, and the support plate member is provided with a through threaded hole;

[0039] The outer periphery of the locking member is threadedly connected to the threaded hole; one end of the locking member can be screwed into the limit jack to limit the displacement of the guide rail in the guide groove.

[0040] Further, as a more preferred embodiment of the present invention:

[0041] The snap component includes:

[0042] A housing, the housing is provided with at least one movable hole position, the at least one movable hole position matches the at least one snap end, and the at least one snap end can extend out from the at least one movable hole position;

[0043] At least one first movable block is arranged inside the housing, with at least one buckle end arranged on one side wall and an inclined travel groove arranged on the other side wall;

[0044] A first elastic member is arranged inside the housing. The movable end of the first elastic member abuts against the at least one first movable block, and the first elastic member can always push the at least one buckle end out of the at least one movable hole position;

[0045] A second movable block is arranged inside the housing. The second movable block can move perpendicular to the telescopic direction of the at least one buckle end. A protruding portion for inserting into the travel groove is arranged on one side of the second movable block. The second movable block can be moved by an external force, and the protruding portion can slide along the travel groove and drive the at least one buckle end to contract;

[0046] A second elastic member is arranged inside the housing. The movable end of the second elastic member abuts against the second movable block, and the elastic force of the first elastic member can keep the protruding portion at the initial position of the travel groove;

[0047] A drive rod is connected to the second movable block at one end and extends out of the housing at the other end. The drive rod is slidably connected to the housing.

[0048] Based on the same inventive concept, the present invention also provides an electric vehicle with a seat lift having multiple support rods, including:

[0049] The above-mentioned seat lift device with multiple support rods;

[0050] A vehicle body main body, and the seat lift device with multiple support rods is detachably connected to the middle part of the vehicle body main body;

[0051] A rear wheel bracket is rotatably connected to the bottom of the seat lift device with multiple support rods through a rotating shaft;

[0052] A rear wheel shock absorber is rotatably connected to the middle part of the seat lift device with multiple support rods at one end and rotatably connected to the middle part of the rear wheel bracket at the other end.

[0053] Further, as a more preferred implementation scheme of the present invention:

[0054] A power supply tray is arranged at the bottom of the vehicle body main body;

[0055] A power supply cover plate is installed at the top opening of the power supply tray. One end of the power supply cover plate is rotatably connected to one side of the seat lift device with multiple support rods through a hinge, and the other end is detachably connected to the top of the power supply tray;

[0056] A wire routing hole is provided at the bottom of the seat lifting device with multiple support rods, and the wire routing hole is used for the wire harness to pass through. Description of the Drawings

[0057] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the description of the embodiments will be briefly introduced below.

[0058] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the seat lifting device with multiple support rods in this embodiment.

[0059] Figure 2 It is another schematic diagram of the overall three-dimensional structure of the seat lifting device with multiple support rods in this embodiment.

[0060] Figure 3 It is an exploded view of the structure of the seat lifting device with multiple support rods in this embodiment.

[0061] Figure 4 It is a schematic diagram of the structure of the main support rod with two auxiliary support rods in this embodiment.

[0062] Figure 5 It is an expanded schematic diagram of the structure of the buckle component in this embodiment.

[0063] Figure 6 It is a schematic diagram of the structure of the seat lifting device with multiple support rods installed on the vehicle body main body in this embodiment.

[0064] Figure 7 It is a schematic diagram of the overall structure of the electric vehicle in this embodiment.

[0065] Reference Signs:

[0066] 1 - Telescopic support, 2 - Main support rod, 3 - Auxiliary support rod, 4 - Seat saddle assembly, 5 - Self-locking adjustment mechanism, 11 - First sliding cavity, 12 - Second sliding cavity, 13 - Installation window, 14 - Wire routing hole, 21 - First card slot, 22 - Second card slot, 23 - Positioning protrusion, 42 - Intermediate connection plate member, 43 - Support plate member, 44 - Locking member, 51 - Limiting end, 52 - Buckle component, 53 - Limiting cover, 111 - Limiting card plate, 210 - Vehicle body main body, 220 - Rear wheel bracket, 230 - Rear wheel shock absorber, 240 - Power supply tray, 250 - Power supply cover plate, 260 - Hinge, 421 - Guide rail, 4211 - Limiting jack, 431 - Guide groove, 432 - Threaded hole, 521 - Buckle end, 522 - First movable block, 523 - First elastic member, 524 - Second movable block, 525 - Second elastic member, 526 - Driving rod, 5211 - Moving hole position, 5212 - Housing main body, 5213 - Housing cover, 5221 - Stroke groove, 5241 - Protrusion, 6 - Elastic reset member. Detailed Embodiments

[0067] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of this application.

[0068] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0069] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to this application.

[0070] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, the meanings of "a plurality" and "several" are two or more, unless otherwise specifically defined.

[0071] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limited conditions under which this application can be implemented. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

[0072] Embodiment

[0073] This embodiment aims to facilitate the solution of the problems in the prior art. In traditional electric vehicle seats with a single support rod for lifting design, the single support rod adopts a single longitudinal force-bearing path, and the load is concentrated in the middle of the rod body, resulting in excessive bending moment, especially when the seat height is relatively high. The rear seat rod only relies on a single-point fixation, which is prone to stress concentration, and the rod body is prone to bending or the port connecting the support rod becomes loose due to fatigue, easily leading to accidental unlocking and posing a safety hazard. Therefore, referring to Figures 1-7 As shown, the embodiment of the present application provides a seat lifting device 100 with multiple support rods and an electric vehicle including this device. The seat adopts a main support rod 2 combined with at least one auxiliary support rod 3. The main support rod 2 can bear the main load, and at least one auxiliary support rod 3 can disperse dynamic stress and share radial stress, avoiding the single longitudinal force-bearing path of the traditional single support rod, where the load is concentrated in the middle of the rod body, resulting in excessive bending moment and loose port due to fatigue, and its overall service life is longer. At the same time, through the self-locking adjustment mechanism 5, one or more rods of the main support rod 2 or at least one auxiliary support rod 3 can be unfastened, and multiple rods can be unlocked with a single press.

[0074] Referring to Figures 1-3 As shown, a seat lifting device 100 with multiple support rods includes: a telescopic support 1, a main support rod 2, at least one auxiliary support rod 3, a seat saddle assembly 4, and a self-locking adjustment mechanism 5. Among them, the telescopic support 1 is used to connect the body main body 210 of the electric vehicle. The main support rod 2 can be vertically inserted into the telescopic support 1 and can slide axially along the telescopic support 1. At least one auxiliary support rod 3 can be vertically inserted into the telescopic support 1 and is arranged parallel to the side of the main support rod 2. The seat saddle assembly 4 is connected to the tops of at least one auxiliary support rod 3 and the main support rod 2. The self-locking adjustment mechanism 5 is arranged at the top of the telescopic support 1, and the limiting end 51 of the self-locking adjustment mechanism 5 can be inserted along the radial direction of the main support rod 2 and / or at least one auxiliary support rod 3, and can limit the sliding of the main support rod 2 and / or at least one auxiliary support rod 3 on the telescopic support 1.

[0075] Referring to Figure 3As shown, an elastic reset member 6 is provided at the bottom of the main support rod 2 to play a buffering role; and / or, the elastic reset member 6 is provided at the bottom of the at least one auxiliary support rod 3 to generate a continuous upward boosting force when the self-locking adjustment mechanism 5 is unlocked. Exemplarily, the elastic reset member 6 can be a helical spring. When the main support rod 2 and / or the at least one auxiliary support rod 3 are at the high position of the stroke and the elastic reset member 6 cannot contact the bottom of the telescopic support 1, the elastic reset member 6 has a protection function. When the user sits on the saddle assembly 4 and accidentally touches the release button, the elastic reset member 6 has a pre-buffering effect to prevent the main support rod 2 and / or the at least one auxiliary support rod 3 from hard contacting the bottom of the telescopic support 1, effectively protecting the user's lumbar spine and buttocks. When the main support rod 2 and / or the at least one auxiliary support rod 3 are at the bottom position of the stroke and the elastic reset member 6 abuts against the bottom of the telescopic support 1, through the axial elastic force generated by pre-compressing the elastic reset member 6, a continuous upward boosting force is generated when the self-locking adjustment mechanism is unlocked, forming a dynamic balance with the user's weight, so that a "floating" effect is generated during the seat height adjustment process, reducing the manual adjustment operation force by more than 60%; automatically compensating for the snap gap between the main support rod 2 and / or the at least one auxiliary support rod 3 and the self-locking adjustment mechanism 5 under vibration conditions, eliminating abnormal noises caused by traditional hard contact.

[0076] In some embodiments, the self-locking adjustment mechanism 5 has only one limiting end 51, which is only used to limit the sliding of the main support rod 2 on the telescopic support 1. In some embodiments, the self-locking adjustment mechanism 5 has only one limiting end 51, which is only used to limit the sliding of the at least one auxiliary support rod 3 on the telescopic support 1. In some embodiments, the self-locking adjustment mechanism 5 has only one limiting end 51 with two limiting ends 51, and the two limiting ends 51 can simultaneously limit the sliding of the main support rod 2 and the at least one auxiliary support rod 3 on the telescopic support 1.

[0077] Refer to Figure 3 As shown, in some embodiments, a plurality of first card slots 21 are uniformly distributed along the axial direction on the outer wall of the main support rod 2; the structural dimensions of the at least one auxiliary support rod 3 are the same as those of the main support rod 2; the main support rod 2 and one auxiliary support rod 3 are uniformly arranged on the telescopic support 1. In some embodiments, one main support rod 2 and one auxiliary support rod 3 are provided, and they are symmetrically arranged left and right on the telescopic support 1. The self-locking adjustment mechanism 5 is arranged in the middle of the main support rod 2 and the auxiliary support rod 3. The self-locking adjustment mechanism 5 has two limiting ends 51, which can be respectively inserted into the first card slots 21 of the main support rod 2 and the auxiliary support rod 3 to achieve synchronous locking. In some embodiments, one main support rod and one auxiliary support rod 3 are provided, and they are symmetrically arranged front and back on the telescopic support 1.

[0078] Refer to Figure 4As shown, in some embodiments, the diameter of at least one auxiliary support rod 3 is less than or equal to that of the main support rod 2; a plurality of second card slots 22 are evenly distributed along the axial direction on the outer wall of the main support rod 2; the main support rod 2 is arranged in the middle of the telescopic support 1; at least one auxiliary support rod 3 is arranged on each side of the main support rod 2. In some embodiments, two auxiliary support rods 3 are provided, which are respectively arranged on the left and right sides of the main support rod 2. One of the auxiliary support rods 3 is provided with a plurality of second card slots 22 having the same distribution as the outer wall of the main support rod 2. A self-locking adjustment mechanism 5 is arranged between this auxiliary support rod 3 and the main support rod 2. The self-locking adjustment mechanism 5 has two limiting ends 51, which can respectively be inserted into the second card slots 22 of the main support rod 2 and the auxiliary support rod 3 to achieve synchronous locking. The main support rod 2 can bear 70% of the vertical load, and the auxiliary support rod 3 shares 20% of the vertical load + lateral moment.

[0079] Referring to Figure 3 As shown, in some embodiments, the telescopic support 1 includes: a first sliding cavity 11 and at least one second sliding cavity 12.

[0080] The first sliding cavity 11 can be inserted by the main support rod 2 and is slidably connected to the main support rod 2;

[0081] At least one second sliding cavity 12 can be inserted by at least one auxiliary support rod 3 and is slidably connected to at least one auxiliary support rod 3. Exemplarily, the telescopic support 1 can be made of stainless steel. An independent first sliding cavity 11 and second sliding cavity 12 are arranged inside. In some embodiments, linear motion bearings are installed at the ports of the first sliding cavity 11 and at least one second sliding cavity 12. In some embodiments, a clamping protrusion 23 is arranged at the bottom of the main support rod 2. A slot for the clamping protrusion 23 to be inserted into is opened on one side of the first sliding cavity 11. A limiting clamping plate 111 for limiting the main support rod 2 from being pulled out is arranged on one side of the first sliding cavity 11. The bottom of the limiting clamping plate 111 corresponds to the position of the clamping protrusion 23, and the limiting clamping plate 111 is clamped and fixed on one side of the first sliding cavity 11 by a limiting cover 53.

[0082] Referring to Figure 3 and 5 As shown, in some embodiments, the self-locking adjustment mechanism 5 includes: a buckle member 52 and a limiting cover 53.

[0083] Among them, the buckle component 52 includes at least one buckling end 521 and a releasing end 522. When the releasing end 522 is pressed, at least one buckling end 521 contracts; an installation window 13 for installing the buckle component 52 is provided at the top of the telescopic support 1; the limiting cover 53 is detachably connected to the top of the telescopic support 1, and the buckle component 52 can be clamped and fixed in the installation window 13 by the limiting cover 53; at least one buckling end 521 can be snapped into the first card slot 21 of the main support rod 2 and / or at least one auxiliary support rod 3. It should be noted that at least one buckling end 521 is the above-mentioned limiting end 51, and the buckling end 521 is a cylindrical or conical protrusion with a rounded end.

[0084] Referring to Figure 3 As shown, in some embodiments, the saddle assembly 4 includes: a seat cushion 41, a transfer connecting plate member 42, a support plate member 43, and a locking member 44. Among them, the seat cushion 41 is for sitting. The top of the transfer connecting plate member 42 is detachably connected to the seat cushion 41, and a horizontally arranged guide rail 421 is provided at the bottom; an exemplary guide rail 421 can be a T-shaped guide rail 421.

[0085] The support plate member 43 is used to connect to the tops of the main support rod 2 and at least one auxiliary support rod 3, and a guide groove 431 adapted to the guide rail 421 is provided at its top; the guide rail 421 is slidably connected to the guide groove 431.

[0086] The locking member 44 is movably connected to the support plate member 43, and one end of it can be displaced towards the transfer connecting plate member 42 and abutted to limit the displacement of the guide rail 421 in the guide groove 431.

[0087] Referring to Figures 2-3 As shown, further, a plurality of limiting jacks 4211 are provided on the guide rail 421, and a through threaded hole 432 is provided on the support plate member 43; the outer periphery of the locking member 44 is threadedly connected to the threaded hole 432; one end of the locking member 44 can be screwed into the limiting jack 4211 to limit the displacement of the guide rail 421 in the guide groove 431.

[0088] Referring to Figure 2 and 5As shown, in some embodiments, the buckle member 52 includes: a housing 521, at least one first movable block 522, a first elastic member 523, a second movable block 524, a second elastic member 525, and a driving rod 526. Among them, the housing 521 is provided with at least one movable hole 5211, and at least one movable hole 5211 matches at least one buckle end 521, and at least one buckle end 521 can extend out from at least one movable hole 5211. Among them, the housing 521 includes a housing main body 5212 and a housing cover 5213. At least one first movable block 522, a first elastic member 523, a second movable block 524, a second elastic member 525, and a driving rod 526 are limited in the housing main body 5212 by the housing cover 5213, and the housing main body 5212 and the housing cover 5213 are detachably connected.

[0089] At least one first movable block 522 is arranged in the housing 521. One side wall is provided with at least one buckle end 521, and the other side wall is provided with an inclined travel groove 5221. The first elastic member 523 is arranged in the housing 521. The movable end of the first elastic member 523 abuts against at least one first movable block 522, and the first elastic member 523 can always push at least one buckle end 521 out of at least one movable hole 5211.

[0090] The second movable block 524 is arranged in the housing 521. The second movable block 524 can move perpendicular to the telescopic direction of at least one buckle end 521. A convex portion 5241 for inserting into the travel groove 5221 is provided on one side of the second movable block 524. The second movable block 524 can move under the action of an external force, and the convex portion 5241 can slide along the travel groove 5221 and drive at least one buckle end 521 to contract.

[0091] The second elastic member 525 is arranged in the housing 521. The movable end of the second elastic member 525 abuts against the second movable block 524, and the elastic force of the first elastic member 523 can keep the convex portion 5241 at the initial position of the travel groove 5221.

[0092] The driving rod 526 is connected to the second movable block 524 at one end and extends out of the housing 521 at the other end. The driving rod 526 is slidably connected to the housing 521.

[0093] Refer to Figures 6-7As shown in the figure, this embodiment also provides an electric vehicle, including: the above-mentioned seat lifting device 100 with multiple support rods, a vehicle body main body 210, a rear wheel bracket 220, and a rear wheel shock absorber 230. The seat lifting device 100 with multiple support rods is detachably connected to the middle part of the vehicle body main body 210; the rear wheel bracket 220 is rotatably connected to the bottom of the seat lifting device 100 with multiple support rods through a rotating shaft; one end of the rear wheel shock absorber 230 is rotatably connected to the middle part of the seat lifting device 100 with multiple support rods, and the other end is rotatably connected to the middle part of the rear wheel bracket 220.

[0094] Referring to Figure 7 As shown in the figure, in some embodiments, the electric vehicle further includes: a power supply tray 240 and a power supply cover plate 250.

[0095] The power supply tray 240 is arranged at the bottom of the vehicle body main body 210; the power supply cover plate 250 is installed at the top opening of the power supply tray 240. One end of the power supply cover plate 250 is rotatably connected to one side of the seat lifting device 100 with multiple support rods through a hinge 260, and the other end is detachably connected to the top of the power supply tray 240, which is used to facilitate the opening of the power supply cover plate 250 for convenient battery replacement; a through wire routing hole 14 is arranged at the bottom of the seat lifting device 100 with multiple support rods, and the wire routing hole 14 is used for the wire to pass through.

[0096] The above has introduced in detail the electronic device provided by the embodiments of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A multi-support rod seat lifting device, characterized in that: include: A telescopic support for connecting the body of the electric vehicle; The main support rod is vertically inserted into the telescopic support and can slide axially along the telescopic support; At least one auxiliary support rod is vertically inserted into the telescopic support and is arranged parallel to the side of the main support rod; a saddle assembly connected to the at least one auxiliary support rod and the top of the main support rod; A self-locking adjustment mechanism is arranged on the top of the telescopic support, and the limiting end of the self-locking adjustment mechanism can be inserted along the radial direction of the main support rod and / or the at least one auxiliary support rod, and can limit the main support rod and / or the at least one auxiliary support rod to slide on the telescopic support; An elastic reset member is arranged at the bottom of the main support rod to play a buffering role; And / or, the elastic reset member is arranged at the bottom of the at least one auxiliary support rod to generate a continuous upward thrust when the self-locking adjustment mechanism is unlocked.

2. The multi-support rod seat lifting device according to claim 1, characterized in that: The outer wall of the main support rod is provided with a plurality of first slots evenly distributed along the axial direction; The structural dimensions of the at least one auxiliary support rod are consistent with those of the main support rod; The main support rod and one auxiliary support rod are evenly arranged on the telescopic support; The limiting end of the self-locking adjustment mechanism can be radially inserted into the main support rod and / or the at least one auxiliary support rod along the first slot, and the elastic reset member is used to eliminate the buckle gap of the limiting end radially inserted into the main support rod and / or the at least one auxiliary support rod.

3. The multi-support rod seat lifting device according to claim 1, characterized in that: The at least one auxiliary support rod is smaller than or equal to the main support rod; The outer wall of the main support rod is provided with a plurality of second slots evenly distributed along the axial direction; The main support rod is arranged in the middle of the telescopic support; The at least one auxiliary support rod is respectively arranged on both sides of the main support rod.

4. The multi-support rod seat lifting device according to claim 1, characterized in that: The telescopic support comprises: A first sliding cavity, capable of being inserted into the main support rod and slidably connected to the main support rod; At least one second sliding cavity can be inserted into the at least one auxiliary support rod and is slidingly connected to the at least one auxiliary support rod.

5. The multi-support rod seat lifting device according to claim 2, characterized in that: The self-locking adjustment mechanism includes: A buckle component, the buckle component comprising at least one buckle end and a release end, the at least one buckle end shrinks when the release end is pressed; a mounting window for mounting the buckle component is provided on the top of the telescopic support; A limit cover, wherein the limit cover is detachably connected to the top of the telescopic support, and the buckle component can be clamped and fixed in the installation window by the limit cover; The at least one buckle end can be snapped into the first slot of the main support rod and / or the at least one auxiliary support rod.

6. The multi-support rod seat lifting device according to claim 2, characterized in that: The seat saddle assembly comprises: A seat cushion, the seat cushion being used for sitting; A transfer connecting plate, the top of which is detachably connected to the seat cushion, and the bottom of which is provided with a horizontally arranged guide rail; A support plate, used to be connected to the top of the main support rod and the at least one auxiliary support rod, and a guide groove adapted to the guide rail is provided on the top of the support plate; the guide rail is slidably connected to the guide groove; A locking member is movably connected to the supporting plate, and one end of the locking member can be displaced toward and abut against the transfer connecting plate to limit the displacement of the guide rail in the guide groove.

7. The multi-support rod seat lifting device according to claim 6, characterized in that: The guide rail is provided with a plurality of limit plug holes, and the support plate is provided with a through threaded hole; The outer periphery of the locking member is threadedly connected to the threaded hole; one end of the locking member can be screwed into the limiting plug hole to limit the displacement of the guide rail in the guide groove.

8. The multi-support rod seat lifting device according to claim 5, characterized in that: The buckle component comprises: A housing, wherein the housing is provided with at least one movable hole, the at least one movable hole matches the at least one buckle end, and the at least one buckle end can extend from the at least one movable hole; At least one first movable block is arranged in the housing, one side wall of which is provided with the at least one buckle end, and the other side wall of which is provided with an inclined travel groove; A first elastic member is disposed in the housing, wherein a movable end of the first elastic member abuts against the at least one first movable block, and the first elastic member can always push the at least one buckle end out of the at least one movable hole; A second movable block is disposed in the housing, the second movable block can move perpendicularly to the extension direction of the at least one buckle end, a protrusion for inserting into the travel groove is provided on one side of the second movable block, the second movable block can be moved by an external force, the protrusion can slide along the travel groove and drive the at least one buckle end to contract; A second elastic member is disposed in the housing, a movable end of the second elastic member abuts against the second movable block, and an elastic force of the first elastic member can maintain the protrusion in an initial position of the travel groove; A driving rod has one end connected to the second movable block and the other end extending out of the shell. The driving rod is slidably connected to the shell.

9. An electric vehicle, characterized in that: include: A multi-support rod seat lifting device as claimed in any one of claims 1 to 8; The vehicle body, the seat lifting device of the multi-support rod is detachably connected to the middle part of the vehicle body; A rear wheel bracket rotatably connected to the bottom of the seat lifting device of the multi-support rod via a rotating shaft; A rear wheel shock absorber has one end rotatably connected to the middle portion of the seat lifting device of the multi-support rod, and the other end rotatably connected to the middle portion of the rear wheel bracket.

10. The electric vehicle according to claim 9, characterized in that: Also includes: A power tray is arranged at the bottom of the vehicle body; A power cover plate, mounted on the top opening of the power tray, one end of which is rotatably connected to one side of the seat lifting device of the multi-support rod through a hinge, and the other end of which is detachably connected to the top of the power tray; A through wiring hole is provided at the bottom of the multi-support rod seat lifting device, and the wiring hole is used for wiring to pass through.

Images