Multipurpose leg support, seat and vehicle

Abstract

The utility model provides a multi-purpose leg support, a seat and a vehicle, and relates to the technical field of automobile seats, the multi-purpose leg support comprises a leg supporting piece, the leg supporting piece is used for supporting legs, and the leg supporting piece comprises a mounting frame; the fixing frame and the mounting frame relatively slide in the length direction of the leg part; the sliding block slides relative to the fixing frame, in the process that the fixing frame moves from one end of the mounting frame to the other end of the mounting frame, the mounting frame applies acting force for sliding outwards to the sliding block, and the acting force enables the sliding block to gradually extend outwards in the moving direction of the fixing frame; the fixing frame moves to the end of the mounting frame, the sliding blocks are automatically unfolded towards the two sides relative to the leg supporting frame, the area of a leg support formed by the unfolded sliding blocks and the leg supporting frame is increased, the leg supporting area of a user is further increased, the legs of the user do not need to be kept close to each other, the movement space of the legs of the user is increased, and the user experience is improved. The requirement that a passenger can change different lying postures in the sitting process is met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a multi-purpose leg rest, a seat and a vehicle. Background Art

[0002] The multi-purpose seat leg support is a leg support device that can be used for a variety of seats, and is commonly used in car seats. It usually consists of an adjustable bracket and a comfortable leg support platform. The bracket of the multi-purpose vehicle seat leg support can be adjusted in height and angle as needed to adapt to different usage environments and personal needs. The leg support platform usually has a soft material, providing comfortable support and relaxing the legs. The multi-purpose vehicle seat leg support can help improve sitting posture, reduce leg fatigue and pressure, promote blood circulation, and provide additional comfort. It is suitable for use on office chairs, sofas, beds or other flat surfaces.

[0003] In the prior art, a leg rest of a car seat is usually provided with a pad for the legs of the passenger. When the passenger needs to use the pad, the pad is flipped from the seat so that the passenger's legs can be placed on the pad to relax. Specifically, a solution is described in Chinese Patent Publication No. CN111098769A. However, when the above-mentioned passengers use the leg rest, due to the fixed size of the leg rest, the length and thickness of the legs of different users vary to varying degrees. As a result, when the user uses the leg rest, the user's legs need to be kept close together. If the legs are slightly opened, they will not be completely placed on the leg rest, which greatly affects the comfort of the user's legs relaxing when lying flat, and cannot ensure that the user can achieve a comfortable posture. Utility Model Content

[0004] In order to solve the above technical problems, the utility model uses the fixed frame to move to the end of the mounting frame, so that the slider automatically unfolds toward both sides with respect to the leg support frame. The specific technical solution is as follows:

[0005] A multi-purpose leg support comprises a leg support member, which is used to support the legs. The leg support member comprises a mounting frame; a fixing frame, which slides relative to the mounting frame along the length direction of the legs; and a sliding block, which slides relative to the fixing frame, so that when the fixing frame moves from one end of the mounting frame to the other end, the mounting frame applies an outward sliding force to the sliding block, and the force gradually extends the sliding block outward along the moving direction of the fixing frame.

[0006] Preferably, the leg support also includes a connecting rod with one end rotatably connected to one end of the mounting frame located at the unfolded position of the slider, and the other end of the connecting rod is rotatably connected to the slider and is arranged obliquely with respect to the moving direction of the slider.

[0007] Preferably, a leg support frame is installed on the side of the fixing frame facing the leg, a space for the connecting rod to move is opened in the middle of the leg support frame, and the side of the leg support frame facing the leg is arranged flush with the slider.

[0008] Preferably, an adjusting member is installed at one end of the fixing frame away from the leg portion, and the adjusting member drives the fixing frame to slide on the mounting frame.

[0009] A seat is rotatably mounted with the multi-purpose leg rest.

[0010] Preferably, a connecting member is provided between the seat and the leg rest, and the connecting member comprises a first support rod and a second support rod which are rotatably connected to each other, and the other ends of the first support rod and the second support rod are rotatably connected to the seat and the leg rest respectively.

[0011] A vehicle is provided with the above-mentioned seat.

[0012] It can be seen from the above technical solutions that the utility model has the following beneficial effects:

[0013] The utility model enables the fixing frame to move along the mounting frame and the fixing frame to move to the end of the mounting frame, so that the slider is automatically unfolded toward both sides with respect to the leg support frame. The leg support area formed by the unfolded slider and the leg support frame is increased, and the leg support area of ​​the user is further increased. The user's legs do not need to be kept close together, and the activity space of the user's legs is increased, thereby improving the comfort of the leg support.

[0014] By moving the fixed frame to the corresponding position of the mounting frame, the connecting rod drives the slider to expand outward by itself. The whole process does not require an additional driving source, which optimizes the structural setting. At the same time, it also maintains the uniformity of the sliders on both sides extending outward, which saves time during assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0017] Figure 3 This is a schematic diagram of the structure of the utility model in a flipping state in cooperation with a seat;

[0018] Figure 4 This is a schematic diagram of the structure of the first state of the leg support member of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the leg support member of the utility model in the second state;

[0020] Figure 6 It is a structural schematic diagram of the connecting rod and the positioning plate of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the first state of installing the cushion block of the utility model;

[0022] Figure 8 This is a schematic diagram of the second state structure of the installation pad of the utility model.

[0023] In the figure: 10, connecting member; 101, first support rod; 102, second support rod; 20, leg support member; 201, mounting frame; 202, fixing frame; 203, leg support frame; 204, sliding block; 205, connecting rod; 206, slide rail; 207, positioning plate; 30, flip member; 301, first motor; 302, first drive group; 303, first screw; 304, mounting block; 40, adjusting member; 401, second motor; 402, second drive group; 403, second screw; 50, seat; 60, cushion block. DETAILED DESCRIPTION

[0024] The following is a detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. Before describing in detail the technical solutions of each embodiment of the present invention, the nouns and terms involved are explained. In this specification, components with the same name or the same number represent similar or identical structures and are only for illustrative purposes.

[0025] like Figure 1-Figure 3 As shown, a multi-purpose leg support includes a leg support 20, which is used to support the legs. The leg support 20 includes a mounting frame 201, a fixing frame 202, which slides relatively with the mounting frame 201 along the length direction of the leg; and a slider 204, which slides relatively with the fixing frame 202, so that when the fixing frame 202 moves from one end of the mounting frame 201 to the other end, the slider 204 gradually extends outward along the moving direction of the fixing frame 202, wherein the user puts the legs on the leg support 20, and the leg support 20 is equipped with a massage air bag, so that the user can use it after a day of fatigue and enjoy the relaxation of leg massage; a heating configuration can also be added, so that the user can feel the warmth in the cold winter, and the fatigue of the occupant of the day can be relieved by massage. The heating device can use a heating wire, an electric heating film, a heater or a carbon fiber heating element. The current passes through the heating wire to make it heat up, thereby heating the leg support. The heating wire can be made of metal wire, such as copper wire, nickel-chromium alloy wire, etc. The electric current is passed through the electric heating film to generate heat energy, thereby heating the leg support. The electric heating film can be made of materials such as conductive polymers or conductive coatings; the electric heater can be made of electric heaters, electric heating tubes, etc., and the heating element generates heat energy to heat the leg support; the carbon fiber heating element is a heating element made of carbon fiber material, and the electric current passes through the carbon fiber to generate heat energy, thereby heating the leg support.

[0026] Specifically, as an embodiment of the present application, the fixing frame 202 can move back and forth along the mounting frame 201. When the fixing frame 202 moves from one end of the mounting frame 201 to the other end, the slider 204 will gradually expand outward with the movement of the fixing frame 202, further increasing the area of ​​the leg support 20 for placing the legs, which can be suitable for different users and can also meet the requirements for leg support in different resting postures, so that the passengers can achieve a comfortable posture; when the fixing frame 201 moves to the end of the fixing frame 202 and the slider 204 expands outward, the position is located at the ankle position of the user; when the fixing frame 201 moves to the end of the fixing frame 202 and the slider 204 is retracted, the position is located at the leg of the user; in addition to the above-mentioned usage, when the fixing frame 201 moves to the end of the fixing frame 202 and the slider 204 expands outward, the position can also be located at the leg position of the user; when the fixing frame 201 moves to the end of the fixing frame 202 and the slider 204 is retracted, the position can be located at the ankle of the user.

[0027] Among them, the number of sliders 204 is preferably two, and they are respectively arranged on both sides of the fixing frame 202. The sliders 204 are preferably extended outward perpendicular to the moving direction of the fixing frame 202 to further increase the outward extended area of ​​the sliders 204. Furthermore, the part where the sliders 204 fit the legs can be set in an arc shape, and the outward end of the slider 204 is tilted to effectively adapt to the legs of the user, and can restrict the legs of the user to prevent the legs of the user from resting on the sliders 204, which can easily cause the legs to slide off the outer ends of the sliders 204.

[0028] like Figure 1 , Figure 4 and Figure 5 As shown in the figure, as the first embodiment of the present application, the leg support 20 also includes a connecting rod 205 with one end rotatably connected to the other end of the mounting frame 201 located at the unfolded position of the slider 204, and the other end of the connecting rod 205 is rotatably connected to the slider 204, wherein in the initial state of the connecting rod 205, the end of the connecting rod 205 connected to the mounting frame 201 is located at the unfolded end of the slider 204 on the mounting frame 201, and the other end of the connecting rod 205 is located at the retracted end of the slider 204 on the mounting frame 201, and the fixing frame 202 is moved from the retracted end of the slider 204 toward the unfolded end. When starting to move, since the connecting rod 205 is tilted toward the corresponding connected slider 204, the movement of the fixing frame 202 gradually drives the connecting rod 205 to gradually tilt toward the connected slider 204, prompting the connecting rod 205 to drive the corresponding slider 204 to slide and extend outward. The extended slider 204 cooperates with the fixing frame 202 to make the leg rest area larger, which is more convenient for supporting the user's legs and meets the requirements for the leg rest under different resting postures. The user does not need to maintain a close posture, so that the passenger can achieve a comfortable posture.

[0029] The two sliders 204 are sleeved with each other, that is, the two sliders 204 move toward the middle of the fixing frame 202 through the connecting rod 205 until they are sleeved and clamped between the two sliders 204. The two sliders 204 will no longer move toward each other, thus playing a limiting role.

[0030] Embodiment 2:

[0031] The difference from the above embodiment is that the connecting rod 205 is replaced by an extrusion type pressing block. The specific solution is as follows:

[0032] A first extrusion block is fixedly installed at one end of the mounting frame 201 where the slider 204 is unfolded, and a second extrusion block is installed at the middle of the slider 204 facing the mounting frame 202. When the mounting frame 202 gradually drives the slider 204 to move to the first extrusion block of the mounting frame 201, the first extrusion block pushes the second extrusion block, so that the second extrusion block gradually drives the slider 204 to slide outward and extend. The combination of the mounting frame 202 and the slider 204 makes the leg support area larger, further improving the effect of supporting the user's legs. When the mounting frame 202 drives the slider 204 to move to the first extrusion block of the mounting frame 201, the first extrusion block pushes the second extrusion block, so that the second extrusion block gradually drives the slider 204 to slide outward and extend. The combination of the mounting frame 202 and the slider 204 makes the leg support area larger, further improving the effect of supporting the user's legs. When the slider 204 is retracted along the mounting frame 201, the first extrusion block and the second extrusion block are gradually separated, and an elastic member can be installed between the two sliders 204 to drive the two sliders 204 to approach each other, wherein the elastic member can be a spring, an elastic sheet or an elastic belt, and the two sliders 204 are sleeved with each other, that is, the two sliders 204 move toward the middle of the fixing frame 202 through the elastic member until they move to the sleeve and clamp between the two sliders 204, and the two sliders 204 will no longer move toward each other, which plays a limiting role, that is, it realizes resetting, which is convenient for subsequent use.

[0033] Embodiment three:

[0034] The difference from the above-mentioned embodiment 1 is that the connecting rod 205 connected to one end of the slider 204 is replaced with an elastic sheet, one end of the elastic sheet is fixed on the slider 204, and the other end is arc-shaped and is located at the end of the slider 204 that is unfolded toward the mounting frame 201. When the fixing frame 202 moves along the mounting frame 201 toward the end where the slider 204 is unfolded, the end of the elastic sheet is gradually squeezed by the end of the mounting frame 201, causing the elastic sheet to deform. After the elastic sheet is deformed, the elastic sheet drives the slider 204 to unfold outward through its own elastic force, so that the slider 204 moves to the mounting frame 2 01, the slider 204 automatically unfolds, which is convenient for the user to use the leg support; when the slider 204 needs to be reset, an elastic member can be installed between the two sliders 204 to drive the two sliders 204 to move closer to each other, wherein the elastic member can be a spring, an elastic sheet or an elastic belt, and the two sliders 204 are mutually sleeved, that is, the two sliders 204 move toward the middle of the fixing frame 202 through the elastic member until they move to the sleeve and clamp between the two sliders 204, and the two sliders 204 will no longer move toward each other, which plays a limiting role, that is, it realizes reset, which is convenient for subsequent use.

[0035] like Figure 4-Figure 6 As shown, a leg support frame 203 is installed on the side of the fixed frame 202 facing the leg, and a space for the connecting rod 205 to move is opened in the middle of the leg support frame 203. The side of the leg support frame 203 facing the leg is flush with the slider 204, wherein the middle part of the leg support frame 203 is convex, and a leg support for supporting the user's legs is formed between the leg support frame 203 and the sliders 204 on both sides, thereby increasing the supporting area of ​​the user's legs. In addition to the space for the connecting rod 205 to move, the space opened on both sides of the leg support frame 203 can also be used for the first extrusion block, the second extrusion block and the elastic block. When the slider 204 is retracted, the protrusion in the middle of the leg support frame 203 prevents the slider 204 from pinching the legs of the user; a protrusion is set on the side of the connecting rod 205 facing the legs, and the protrusion can have a certain squeezing and massaging effect on the legs of the user. When the slider 204 is retracted, the protrusion gradually squeezes the legs outward from between the protrusion in the middle of the leg support frame 203 and the slider 204 as the connecting rod 205 rotates, further preventing the legs from being pinched when the legs are placed and the slider 204 is retracted.

[0036] like Figure 4-Figure 6 As shown, a slide rail 206 is installed on the side of the leg support 203 facing the leg along the moving direction of the slider 204, and the slider 204 slides with the leg support 203 through the slide rail 206 to provide sliding stability. A positioning plate 207 is installed on the end of the leg support 203 facing the leg. The positioning plate 207 and the fixing frame 202 can be formed by welding, and one end of the connecting rod 205 is rotatably connected to the positioning plate 207; the positioning plate 207 in the second embodiment can replace the first extrusion block; the positioning plate 207 in the third embodiment can be used to abut the end of the elastic sheet.

[0037] like Figure 1-Figure 3 As shown, an adjusting member 40 is installed at one end of the fixing frame 202 away from the leg, and the adjusting member 40 is used to drive the fixing frame 202 to slide back and forth along the mounting frame 201. The adjusting member 40 includes a second driving group 402 fixedly installed on the mounting frame 201 and a second screw 403 matched with the second driving group 402, one end of the second screw 403 is fixed to the fixing frame 202, and a second motor 401 is also installed on the mounting frame 201. The second motor 401 drives the second screw 403 to extend or retract through the second driving group 402, and the end of the second screw 403 is rotatably connected to the inner wall of the fixing frame 202, and finally drives the fixing frame 202 to move back and forth through the second screw 403, wherein the second driving group 402 can be driven by a worm gear or a gear set, which is a prior art and will not be repeated here.

[0038] In addition to the above solution, a telescopic cylinder can also be used to achieve this, that is, the cylinder body of the telescopic cylinder is fixed to the mounting frame 201, and the piston of the telescopic cylinder is fixed to the fixed frame 202, and the fixed frame 202 is driven to move back and forth relative to the mounting frame 201 by the telescopic cylinder extending and retracting back and forth.

[0039] like Figure 4 , Figure 5 , Figure 7 and Figure 8 As shown, a pad 60 is provided on the side of the slider 204 facing the leg, and the pad 60 can be sleeved on the slider 204. The pad 60 is preferably made of iron plate and foam. The iron plate has a shape corresponding to the slider 204 and is screwed to the corresponding slider 204. Finally, elastic fabric is provided on the pad 60 and the entire fixing frame 202 to further improve the comfort of the user.

[0040] Regarding the distribution of the above-mentioned pads 60, the distribution can be further divided into two types, and the specific installation methods are as follows:

[0041] ① The pad 60 is only installed on the slider 204, as shown in Figure 7 and Figure 8 As shown, in the initial state, the two sliders 204 are close to each other, and the two pads 60 fill the gap between the two sliders 204. When the two pads 60 are expanded outward, the gap between the two sliders 204 leaks out, and the gap between the two pads 60 is filled by the external elastic cloth, thereby increasing the supporting area of ​​the leg rest, and improving the comfort of the user's legs through the elastic cloth and the pads 60.

[0042] ② The pads 60 are distributed on the slider 204 and the raised part in the middle of the leg support 203. The three pads 60 together support the legs of the user. The three pads 60 are covered with elastic cloth on the outside. When the two sliders 204 are unfolded outward, a gap is formed between the middle pad 60 and the two sides. At the same time, the gap is filled with elastic cloth. Compared with the above-mentioned scheme, the gap is smaller to prevent the user's legs from sinking. At the same time, the pad 60 can be tilted toward one side of the gap, and a plurality of protrusions can be set on the inclined surface to ensure the comfort of pressing the user's legs. Combined with the massage airbags and heating device mentioned above, the use effect is better.

[0043] The leg support can be installed on a seat 50, a bed, a sofa or other flat surface, preferably on a seat 50. If installed on the seat 50, the specific installation method is as follows:

[0044] like Figure 2 and Figure 3As shown, the seat 50 is rotatably mounted with the multi-purpose leg rest mentioned above, a connecting member 10 is arranged between the seat 50 and the leg rest, the connecting member 10 comprises a first support rod 101 and a second support rod 102 rotatably connected to each other, the other ends of the first support rod 101 and the second support rod 102 are rotatably connected to the seat 50 and the leg rest respectively, a flip member 30 is also mounted on the second support rod 102, the flip member 30 comprises a first motor 301, a first drive group 302 mounted at the output end of the first motor 301, a first screw 303 threadedly connected to the first drive group 302, and a first screw 303 mounted on the first screw 303. The mounting block 304 is rotatably connected to the mounting frame 201 at the end, and the first motor 301 is installed on the second support rod 102 through the first drive group 302. The first motor 301 and the first drive group 302 drive the first screw 303 to rotate. The rotation of the first screw 303 combined with the first support rod 101 and the second support rod 102 gradually drives the mounting block 304 to flip outward along the seat 50, so that the leg support 20 can be flipped for convenience of personnel to use. The first drive group 302 is the same as the second drive group 402 mentioned above, and can be driven by a worm gear or a gear set.

[0045] The multi-purpose seat 50 leg rest mentioned above can be installed in a vehicle, including a car, a truck, and a train, for users to relax.

[0046] During specific use, the second motor 401, the second drive group 402 and the second screw 403 drive the fixing frame 202 to move from one end of the mounting frame 201 to the other end. During the movement of the fixing frame 202, the connecting rod 205 drives the corresponding slider 204 to slide and extend outward. The extended slider 204 cooperates with the leg support frame 203 to gradually increase the support area for the legs. The user's legs do not need to be kept close together, which increases the activity space of the user's legs and improves the comfort of leg support. The pad 60 and the elastic cloth improve the comfort of leg support.

[0047] The above-described embodiments are merely descriptions of preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A multi-purpose leg support, comprising a leg support member (20), the leg support member (20) being used to support the legs, characterized in that: The leg support member (20) comprises: Mounting frame (201); A fixing frame (202) that slides relative to the mounting frame (201) along the length direction of the leg; and The slider (204) slides relative to the fixing frame (202), so that when the fixing frame (202) moves from one end of the mounting frame (201) to the other end, the mounting frame (201) applies an outward sliding force to the slider (204), and the force gradually extends the slider (204) outward along the moving direction of the fixing frame (202).

2. The multi-purpose leg support according to claim 1, characterized in that: The leg support (20) further comprises a connecting rod (205) having one end rotatably connected to one end of the mounting frame (201) located at the unfolded position of the slider (204), and the other end of the connecting rod (205) is rotatably connected to the slider (204) and is arranged to be inclined with respect to the moving direction of the slider (204).

3. The multi-purpose leg support according to claim 2, characterized in that: A leg support frame (203) is installed on the side of the fixed frame (202) facing the leg, a space for the connecting rod (205) to move is provided in the middle of the leg support frame (203), and the side of the leg support frame (203) facing the leg is flush with the slider (204).

4. The multi-purpose leg support according to claim 1, characterized in that: An adjusting member (40) is installed at one end of the fixing frame (202) away from the leg portion, and the adjusting member (40) drives the fixing frame (202) to slide on the mounting frame (201).

5. The multi-purpose leg support according to claim 4, characterized in that: The adjusting member (40) comprises a second driving group (402) fixed to the mounting frame (201) and a second screw rod (403) matched with the second driving group (402), and one end of the second screw rod (403) is fixed to the fixing frame (202).

6. The multi-purpose leg support according to claim 1, characterized in that: A cushion block (60) is provided on one side of the slider (204) facing the leg portion.

7. A seat, characterized in that: The seat is rotatably mounted with a multi-purpose leg rest as described in any one of claims 1-6.

8. The seat according to claim 7, characterized in that A connecting member (10) is provided between the seat and the leg rest, and the connecting member (10) comprises a first support rod (101) and a second support rod (102) which are rotatably connected to each other, and the other ends of the first support rod (101) and the second support rod (102) are rotatably connected to the seat and the leg rest respectively.

9. A vehicle, characterized in that: The vehicle is equipped with the seat according to claim 7 or 8.

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