Four-direction leg support of automobile seat

Abstract

The utility model relates to the technical field of automobile seat processing, and discloses an automobile seat four-direction leg support which comprises a support, a thigh bracket and a shank bracket, a first driving mechanism used for driving the thigh bracket to rotate upwards to be opened is arranged on the support, the shank bracket is arranged on the thigh bracket in a sliding mode, and a second driving mechanism used for driving the thigh bracket to rotate upwards to be opened is arranged on the shank bracket. A second driving mechanism capable of driving the shank bracket to slide leftwards is arranged on the thigh bracket; the foot support has the effect of improving the comfort of the foot support.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat processing, in particular to a four-way leg support for an automobile seat. Background Art

[0002] At present, some car seats are equipped with leg support mechanisms, which can provide certain support for the calves and relieve the calf soreness caused by long riding time.

[0003] However, most of the existing leg rest mechanisms can only be raised from under the seat to a position below the calf, and cannot provide support for the calf part of the passenger, resulting in insufficient comfort of the foot rest. Utility Model Content

[0004] The utility model aims to provide a four-way leg support for an automobile seat, which has the effect of improving the comfort of the foot support.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme: it includes a bracket, a thigh support and a calf support, the bracket is provided with a first driving mechanism for driving the thigh support to rotate upward and open, the calf support is slidably arranged on the thigh support, and the thigh support is provided with a second driving mechanism that can drive the calf support to slide to the left.

[0006] The utility model is further configured as follows: the first driving mechanism includes a first connecting rod symmetrically rotatably arranged on both sides of the bracket and a second connecting rod symmetrically rotatably arranged on both sides of the bracket, a third connecting rod is hingedly arranged at the end of the second connecting rod, and the end of the third connecting rod is hinged to the thigh bracket, a fourth connecting rod is hingedly arranged at the end of the first connecting rod, and the end of the fourth connecting rod is hinged to the thigh bracket, the middle part of the first connecting rod is hinged to the middle part of the third connecting rod, a moving rod is arranged between the two first connecting rods, a first driving motor is arranged on the bracket, a fixed cylinder is arranged at the output end of the first driving motor, a first moving screw rod is cooperated with the inner wall of the fixed cylinder, a rotating block is hingedly arranged at the end of the first moving screw rod, and the rotating block is fixedly connected to the moving rod.

[0007] The utility model is further configured as follows: the fourth connecting rod is L-shaped.

[0008] The utility model is further configured as follows: the second driving motor includes a second movable screw rod rotatably arranged on the thigh bracket and a second driving motor arranged on the thigh bracket for driving the second movable screw rod, the second movable screw rod is cooperated with a forward extension block, and the forward extension block is fixedly connected to the calf bracket.

[0009] The utility model is further configured as follows: a first sliding groove is symmetrically provided on the thigh bracket, and a first sliding block matched with the first sliding groove is provided on the calf bracket.

[0010] The utility model is further configured as follows: second sliding blocks are symmetrically arranged on both sides of the first sliding block, and a second sliding groove matched with the second sliding block is opened on the thigh bracket.

[0011] The utility model is further configured as follows: third sliding grooves are provided on both sides of the calf bracket in a direction parallel to the central axis of the second movable screw rod, and positioning blocks matching the third sliding grooves are symmetrically provided on both sides of the thigh bracket.

[0012] The utility model is further configured as follows: a limiting block is provided at one end of the second movable screw rod away from the second drive motor.

[0013] The utility model is further configured as follows: the thigh bracket includes a first bracket and a second bracket, the third connecting rod and the fourth connecting rod are respectively hinged to the first bracket, the second bracket is fixedly connected to the first bracket, and the calf bracket is located between the first bracket and the second bracket.

[0014] The utility model is further configured as follows: baffles are provided on both sides of the second bracket, and the calf bracket and the first bracket are both located between the two baffles.

[0015] The beneficial effects of the utility model are:

[0016] 1. By providing a calf support, a thigh support and a first driving mechanism, when a passenger needs to use a leg support, the first driving mechanism can be opened first to drive the thigh support and the calf support to rotate upward and unfold as a whole, and then the second driving mechanism can be opened to drive the calf support to extend to the left along the thigh support, so that the foot support support part can cover the passenger's calf, so that the passenger's calf and thigh can be supported by the calf support and the thigh support respectively, thereby alleviating the passenger's calf soreness caused by long riding time, and achieving the purpose of improving the comfort of the foot support.

[0017] 2. By setting the first connecting rod, the second connecting rod and the third connecting rod, when the thigh bracket needs to be unfolded, the first driving motor is turned on to drive the fixed cylinder to rotate, so that the first movable screw moves to the left along the fixed cylinder, and the first movable screw pushes the movable rod during the movement, and the movable rod drives the first connecting rod to rotate upward, thereby driving the second connecting rod and the fourth connecting rod to rotate upward, and the third connecting rod rotates to the left at the same time. During the rotation of the third connecting rod and the fourth connecting rod, the thigh bracket is rotated upward and unfolded. The whole process is carried out by the first movable screw driving the four-bar mechanism to unfold, and the operation is simple and convenient.

[0018] 3. By setting the forward extension block, the second movable screw rod and the second drive motor, when the calf support needs to be unfolded, the thigh support is first unfolded upward, and then the second drive motor is turned on to drive the second movable screw rod to rotate, thereby driving the forward extension block and the calf support to move to the left along the second movable screw rod to realize the unfolding of the calf support, so that the footrest support part can cover the passenger's calf and increase comfort. At the same time, the whole process only needs to control the first drive motor and the second drive motor, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a structural schematic diagram of an embodiment of a four-way leg support for a car seat of the utility model;

[0021] Figure 2 It is a schematic diagram of the exploded structure of an embodiment of a four-way leg support for a car seat of the utility model;

[0022] Figure 3 yes Figure 2 A is an enlarged schematic diagram;

[0023] Figure 4 yes Figure 2 A magnified schematic diagram of B;

[0024] Figure 5 The utility model is a structural schematic diagram of an embodiment of a four-way leg support for a car seat.

[0025] In the figure, 1, bracket; 2, thigh bracket; 2a, first bracket; 2b, second bracket; 3, calf bracket; 4, first driving mechanism; 4a, first connecting rod; 4b, second connecting rod; 5, second driving mechanism; 5a, second movable screw rod; 5b, second driving motor; 6, third connecting rod; 7, fourth connecting rod; 8, movable rod; 9, first driving motor; 10, fixed cylinder; 11, first movable screw rod; 12, rotating block; 13, extending block; 14, first sliding groove; 15, first sliding block; 16, second sliding block; 17, second sliding groove; 18, third sliding groove; 19, positioning block; 20, limiting block; 21, baffle. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a four-way leg support for a car seat, such as Figures 1 to 3 As shown, it includes a bracket 1, a thigh support 2 and a calf support 3. The bracket 1 is provided with a first driving mechanism 4 for driving the thigh support 2 to rotate upward and open. The calf support 3 is slidably arranged on the thigh support 2. The thigh support 2 is provided with a second driving mechanism 5 that can drive the calf support 3 to slide to the left.

[0028] Further, the first driving mechanism 4 includes a first connecting rod 4a symmetrically rotatably arranged on both sides of the bracket 1 and a second connecting rod 4b symmetrically rotatably arranged on both sides of the bracket 1, the end of the second connecting rod 4b is hingedly provided with a third connecting rod 6, the end of the third connecting rod 6 is hinged to the thigh bracket 2, the end of the first connecting rod 4a is hingedly provided with a fourth connecting rod 7, the end of the fourth connecting rod 7 is hinged to the thigh bracket 2, the middle part of the first connecting rod 4a is hinged to the middle part of the third connecting rod 6, a moving rod 8 is arranged between the two first connecting rods 4a, a first driving motor 9 is arranged on the bracket 1, a fixed cylinder 10 is arranged at the output end of the first driving motor 9, a first moving screw rod 11 is cooperated with the inner wall of the fixed cylinder 10, the end of the first moving screw rod 11 is hingedly provided with a rotating block 12, and the rotating block 12 is fixedly connected to the moving rod 8.

[0029] Furthermore, the fourth connecting rod 7 is L-shaped.

[0030] Furthermore, the second driving motor 5b includes a second movable screw rod 5a rotatably arranged on the thigh support 2 and a second driving motor 5b arranged on the thigh support 2 for driving the second movable screw rod 5a, and the second movable screw rod 5a is cooperated with a forward extension block 13, and the forward extension block 13 is fixedly connected to the calf support 3.

[0031] Furthermore, the thigh bracket 2 is symmetrically provided with a first sliding groove 14 , and the calf bracket 3 is provided with a first sliding block 15 matched with the first sliding groove 14 .

[0032] Furthermore, second sliding blocks 16 are symmetrically arranged on both sides of the first sliding block 15 , and a second sliding groove 17 matched with the second sliding block 16 is opened on the thigh bracket 2 .

[0033] Furthermore, third sliding grooves 18 are provided on both sides of the calf support 3 in a direction parallel to the central axis of the second movable screw rod 5a, and positioning blocks 19 matching the third sliding grooves 18 are symmetrically provided on both sides of the thigh support 2.

[0034] Furthermore, a limit block 20 is provided at one end of the second movable screw rod 5a away from the second driving motor 5b.

[0035] Furthermore, the thigh support 2 includes a first support 2a and a second support 2b, the third connecting rod 6 and the fourth connecting rod 7 are respectively hinged to the first support 2a, the second support 2b is fixedly connected to the first support 2a, and the calf support 3 is located between the first support 2a and the second support 2b.

[0036] Furthermore, baffles 21 are provided on both sides of the second bracket 2 b , and the calf bracket 3 and the first bracket 2 a are both located between the two baffles 21 .

[0037] When the passenger needs to use the leg rest, the first driving motor 9 can be turned on first to drive the fixed cylinder 10 to rotate, so that the first movable screw rod 11 moves to the left along the fixed cylinder 10, and the first movable screw rod 11 pushes the movable rod 8 during the movement, and the movable rod 8 drives the first connecting rod 4a to rotate upward, and then drives the second connecting rod 4b and the fourth connecting rod 7 to rotate upward, and at the same time the third connecting rod 6 rotates to the left, and during the rotation of the third connecting rod 6 and the fourth connecting rod 7, the thigh bracket 2 and the calf bracket 3 are rotated upward and unfolded as a whole, and then the second driving motor 5b is turned on to drive the second movable screw rod 5a to rotate, and then drive the forward block 13 and the calf bracket 3 to move to the left along the second movable screw rod 5a, to realize the unfolding of the calf bracket 3, so that the footrest supporting part can cover the passenger's calf, so that the passenger's calf and thigh can be supported by the calf bracket 1 and the thigh bracket 1 respectively, so as to relieve the passenger's calf soreness caused by too long riding time, and achieve the purpose of improving the comfort of the footrest.

[0038] By setting the first connecting rod 4a, the second connecting rod 4b and the third connecting rod 6, when the thigh bracket 2 needs to be unfolded, the first driving motor 9 is turned on to drive the fixed cylinder 10 to rotate, so that the first movable screw rod 11 moves to the left along the fixed cylinder 10, and the first movable screw rod 11 pushes the movable rod 8 during the movement, and the movable rod 8 drives the first connecting rod 4a to rotate upward, and then drives the second connecting rod 4b and the fourth connecting rod 7 to rotate upward, and at the same time the third connecting rod 6 rotates to the left, and the thigh bracket 2 is rotated upward and unfolded during the rotation of the third connecting rod 6 and the fourth connecting rod 7. The whole process is driven by the first movable screw rod 11 to push the four-bar mechanism to unfold, and the operation is simple and convenient.

[0039] By setting the forward block 13, the second movable screw rod 5a and the second drive motor 5b, when the calf support 3 needs to be unfolded, the thigh support 2 is first unfolded upward, and then the second drive motor 5b is turned on to drive the second movable screw rod 5a to rotate, thereby driving the forward block 13 and the calf support 3 to move leftward along the second movable screw rod 5a to realize the unfolding of the calf support 3, so that the foot support part can cover the passenger's calf, increasing comfort. At the same time, the whole process only needs to control the first drive motor 9 and the second drive motor 5b, and the operation is convenient.

[0040] By setting the fourth connecting rod 7 to be L-shaped, on the one hand, after the thigh support 2 is unfolded, the L-shaped fourth connecting rod 7 can better support the thigh support 2, and on the other hand, it can also reduce the space required for the thigh support 2 to occupy after it is retracted downward.

[0041] By providing the first sliding groove 14, the first sliding block 15, the second sliding groove 17 and the second sliding block 16, etc., the calf support 3 slides outward along the first sliding groove 14 and the second sliding groove 17, thereby improving the stability of the calf support 3 during the sliding process, and at the same time increasing the contact area between the calf support 3 and the thigh support 2, so that the stability of the calf support 3 after being unfolded is better.

[0042] By arranging the first bracket 2a and the second bracket 2b, the calf bracket 3 is located between the first bracket 2a and the second bracket 2b, so that the normal use of the thigh bracket 2 is not affected when the calf bracket 3 is contracted.

[0043] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0044] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A four-way leg support for a car seat, characterized in that: The invention comprises a support (1), a thigh support (2) and a calf support (3), wherein the support (1) is provided with a first driving mechanism (4) for driving the thigh support (2) to rotate upward and open, the calf support (3) is slidably arranged on the thigh support (2), and the thigh support (2) is provided with a second driving mechanism (5) for driving the calf support (3) to slide leftward; The first driving mechanism (4) comprises a first connecting rod (4a) symmetrically rotatably arranged on both sides of the bracket (1) and a second connecting rod (4b) symmetrically rotatably arranged on both sides of the bracket (1), a third connecting rod (6) is hingedly arranged at the end of the second connecting rod (4b), and the end of the third connecting rod (6) is hinged to the thigh bracket (2), a fourth connecting rod (7) is hingedly arranged at the end of the first connecting rod (4a), and the end of the fourth connecting rod (7) is hinged to the thigh bracket (2), and the first connecting rod (4a) is hingedly arranged at the end of the first connecting rod (4a). The middle part of the rod (4a) is hinged to the middle part of the third connecting rod (6), a moving rod (8) is arranged between the two first connecting rods (4a), a first driving motor (9) is arranged on the bracket (1), a fixed cylinder (10) is arranged at the output end of the first driving motor (9), a first moving screw rod (11) is arranged on the inner wall of the fixed cylinder (10), a rotating block (12) is hinged at the end of the first moving screw rod (11), and the rotating block (12) is fixedly connected to the moving rod (8); The second driving mechanism (5) comprises a second movable screw rod (5a) rotatably arranged on the thigh bracket (2) and a second driving motor (5b) arranged on the thigh bracket (2) for driving the second movable screw rod (5a), and the second movable screw rod (5a) is provided with a forward extension block (13), and the forward extension block (13) is fixedly connected to the calf bracket (3).

2. The four-way leg support for a car seat according to claim 1, characterized in that: The fourth connecting rod (7) is L-shaped.

3. The four-way leg support for a car seat according to claim 1, characterized in that: The thigh bracket (2) is symmetrically provided with a first sliding groove (14), and the calf bracket (3) is provided with a first sliding block (15) matched with the first sliding groove (14).

4. The four-way leg support for a car seat according to claim 3, characterized in that: Second sliding blocks (16) are symmetrically arranged on both sides of the first sliding block (15), and a second sliding groove (17) matching with the second sliding block (16) is provided on the thigh bracket (2).

5. The four-way leg support for a car seat according to claim 1, characterized in that: The calf support (3) is provided with a third sliding groove (18) on both sides in a direction parallel to the central axis of the second movable screw rod (5a), and the thigh support (2) is symmetrically provided with positioning blocks (19) matching the third sliding groove (18).

6. The four-way leg support for a car seat according to claim 1, characterized in that: A limit block (20) is provided at one end of the second movable screw rod (5a) away from the second drive motor (5b).

7. The four-way leg support for a car seat according to claim 1, characterized in that: The thigh bracket (2) comprises a first bracket (2a) and a second bracket (2b); the third connecting rod (6) and the fourth connecting rod (7) are respectively hinged to the first bracket (2a); the second bracket (2b) is fixedly connected to the first bracket (2a); and the calf bracket (3) is located between the first bracket (2a) and the second bracket (2b).

8. The four-way leg support for a car seat according to claim 7, characterized in that: Baffles (21) are provided on both sides of the second bracket (2b), and the calf bracket (3) and the first bracket (2a) are both located between the two baffles (21).

Images