Seat headrest

Abstract

The utility model provides a seat headrest which is used for solving the technical problem that part of existing seat headrests cannot be well attached to the head of a user, and the effect of relieving fatigue of the head and the neck of the user cannot be achieved. The utility model discloses a seat headrest which comprises a storage sleeve. A first stress plate; the headrest is rotationally arranged at one end, extending out of the storage sleeve, of the first stress plate; a second stress plate; the first stress block is arranged at one end of the second stress plate in a sliding manner; the two rows of limiting holes are formed in one end of the second stress plate; the two limiting beads are fixedly arranged at one end of the first stress block, the first stress block slides relative to the storage sleeve, the distance between the headrest and a user is adjusted, the first stress block slides relative to the second stress block, the height of the headrest is adjusted, the headrest is directly rotated, the angle of the headrest is adjusted, and the headrest is more attached to the head of the user in multiple modes.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a seat headrest. Background Art

[0002] Chairs are widely used as seats in people's work and life, and are widely recognized and loved by people. There are many types and styles with different functions, and they play an indispensable role in daily life and office work.

[0003] When using a chair, the user will lean his head against the headrest to relieve the fatigue of the head and neck. If the headrest does not fit the user's head well, the user will feel uncomfortable and will not be able to relieve the fatigue of the user's head and neck. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a seat headrest for solving the technical problem that some existing chair headrests cannot fit the user's head well and cannot relieve the user's head and neck fatigue.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A seat headrest, comprising:

[0007] A storage cover, wherein the storage cover is a hollow structure;

[0008] A first force-bearing plate, which is adjustable and slidably disposed in the storage sleeve;

[0009] A headrest, the headrest being rotatably arranged at one end of the first force-bearing plate extending out of the storage sleeve;

[0010] A second force-bearing plate, the second force-bearing plate is fixedly arranged at the lower end of the storage sleeve;

[0011] A first force-bearing block, the first force-bearing block is slidably disposed at one end of the second force-bearing plate;

[0012] Two rows of limiting holes, the two rows of limiting holes are arranged at one end of the second force-bearing plate;

[0013] Two limiting beads are fixedly arranged at one end of the first force-bearing block, and the two limiting beads extend into one of the limiting holes in the two rows of limiting holes respectively, and the two limiting beads are elastic.

[0014] Working principle:

[0015] The headrest is installed on the seat, that is, the first force-bearing block is fixed to the seat, and when the headrest needs to be adjusted so that the headrest moves closer to or away from the human body, the headrest is pulled, and the headrest drives the first force-bearing plate to move, and the first force-bearing plate moves relative to the object cover;

[0016] When the headrest needs to be adjusted so that it moves up and down, the storage cover is pulled, and the storage cover drives the second force plate to move, and the second force plate and the first force block move relative to each other, and the two limiting beads enter two different limiting holes;

[0017] When you need to turn the headrest, just turn it.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The headrest is installed on the seat, that is, the first force block is fixed to the seat. When the headrest needs to be adjusted to move closer to or away from the human body, the headrest is pulled, and the headrest drives the first force plate to move, and the first force plate moves relative to the object cover. When the user has different sitting postures, the headrest can still fit the user's head;

[0020] When the headrest needs to be adjusted to move up and down, the storage cover is pulled, and the storage cover drives the second force plate to move, and the second force plate and the first force block move relative to each other, and the two limiting beads enter two different limiting holes, thereby fixing the positions of the second force plate and the first force block;

[0021] When you need to turn the headrest, just turn it. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of an embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the storage cover in the embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the second force-bearing block in an embodiment of the utility model.

[0026] In the above drawings: 10, first screw; 11, limiting groove; 12, first force block; 13, third screw; 14, storage cavity; 15, first force plate; 16, first force rod; 17, headrest; 18, third force block; 19, fourth screw; 20, second force block; 21, elastic member; 22, abutment rod; 23, second screw; 24, baffle; 25, storage sleeve; 26, toggle groove; 27, gear groove; 28, shielding plate; 29, second force rod; 30, limiting hole; 31, limiting bead; 32, connecting groove; 33, second force plate; 34, limiting rod. DETAILED DESCRIPTION

[0027] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Example:

[0029] like Figure 1 , Figure 2 and Figure 4 As shown, a seat headrest comprises:

[0030] A storage cover 25, wherein the storage cover 25 is a hollow structure;

[0031] A first force-bearing plate 15, wherein the first force-bearing plate 15 is adjustable and slidably disposed in the storage sleeve 25;

[0032] A headrest 17, the headrest 17 is rotatably disposed on one end of the first force-bearing plate 15 extending out of the storage cover 25;

[0033] A second force-bearing plate 33, wherein the second force-bearing plate 33 is fixedly disposed at the lower end of the storage sleeve 25;

[0034] A first force-bearing block 12, wherein the first force-bearing block 12 is slidably disposed at one end of the second force-bearing plate 33;

[0035] Two rows of limiting holes 30, the two rows of limiting holes 30 are opened at one end of the second force-bearing plate 33;

[0036] Two limiting beads 31 are fixedly arranged at one end of the first force-bearing block 12 , and the two limiting beads 31 extend into one of the limiting holes 30 in the two rows of limiting holes 30 , respectively. The two limiting beads 31 are elastic.

[0037] A first force-bearing rod 16 is fixedly provided at one end of the first force-bearing plate 15 extending out of the storage sleeve 25 , and first screws 10 with nuts are threadedly connected at both ends of the first force-bearing rod 16 , and second force-bearing rods 29 are rotatably provided between the two first screws 10 and the first force-bearing rods 16 , and the headrest 17 is fixed on the two second force-bearing rods 29 .

[0038] like Figure 1 , Figure 2 and Figure 3 As shown, a storage cavity 14 is provided in the storage sleeve 25, a gear slot 27 is provided in the storage sleeve 25, the gear slot 27 is provided on one side of the storage cavity 14, a connecting slot 32 is provided on the bottom wall of the storage cavity 14, a shielding plate 28 is provided in the connecting slot 32, a second screw rod 23 with a nut passes through the shielding plate 28 and is threadedly connected to the storage sleeve 25, the second screw rod 23 includes three, one of which is in the storage cavity 14 and is provided with an abutment rod 22 for rotation, the abutment rod 22 is connected to one end of the storage cavity 14 with an elastic member 21, and the elastic member 21 is a spring A limiting rod 34 is fixedly provided at one end of the abutment rod 22 facing away from the shielding plate 28, and the limiting rod 34 extends into the gear slot 27 through the storage cavity 14. A blocking piece 24 is slidably provided in the gear slot 27, and a toggle slot 26 is formed through the blocking piece 24. The limiting rod 34 passes through the toggle slot 26. When the storage cover 25 and the first force-bearing plate 15 slide relative to each other, the storage cover 25 drives the second screw rod 23 to move through the shielding plate 28, and the second screw rod 23 drives the abutment rod 22 to move, and the abutment rod 22 rotates, thereby sliding in the gear slot 27, thereby limiting the positional relationship between the storage cover 25 and the force-bearing plate 15.

[0039] like Figure 1 and Figure 2 As shown, a limiting groove 11 is provided at one end of the second force-bearing plate 33, and two rows of limiting holes 30 are provided on both sides of the limiting groove 11. The first force-bearing block 12 is slidably arranged in the limiting groove 11, and the second force-bearing plate 33 is slid so that the second force-bearing plate 33 slides with the first force-bearing block 12, thereby adjusting the position of the headrest 17.

[0040] like Figure 1 and Figure 3 As shown, a second force block 20 is provided at one end of the first force block 12 facing away from the second force plate 33, a third screw rod 13 with a nut passes through the second force block 20 and is threadedly connected to the first force block 12, a third force block 18 is provided at one end of the second force block 20 facing away from the first force block 12, a fourth screw rod 19 with a nut passes through the third force block 18 and is threadedly connected to the second force block 20, and the entire headrest is fixed to the seat through the third force block 18.

[0041] Working principle:

[0042] The entire headrest is fixed to the seat through the third force-bearing block 18;

[0043] When the position of the headrest 17 needs to be adjusted forward or backward, the headrest 17 is directly pulled, and the headrest 17 drives the first force-bearing rod 16 to move through the second force-bearing rod 29, and the first force-bearing rod 16 drives the first force-bearing plate 15 to move, and the first force-bearing plate 15 drives the second screw rod 23 to move through the shielding plate 28, and the second screw rod 23 drives the abutment rod 22 to move, and the abutment rod 22 rotates around the second screw rod 23 under the action of the gear slot 27, and the abutment rod 22 abuts against the gear position in the gear slot 27 under the action of the elastic member 21, and the blocking piece 24 is under the action of the storage sleeve 25, so that the abutment rod 22 is out of contact with the gear position in the gear slot 27;

[0044] When the position of the headrest 17 needs to be adjusted up and down, the storage cover 25 is pulled, the storage cover 25 drives the headrest 17 to move, and the storage cover 25 drives the second force plate 33 to move, the second force plate 33 slides relative to the first force block 12, and the two limiting beads 31 are elastically deformed and enter two different limiting holes 30;

[0045] When the headrest 17 needs to be rotated, the headrest 17 is directly rotated, and the headrest 17 drives the second force-bearing rod 29 to rotate around the first screw rod 10 .

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A seat headrest, characterized in that: include: A storage sleeve (25), wherein the storage sleeve (25) is a hollow structure; A first force-bearing plate (15), wherein the first force-bearing plate (15) is adjustable and slidably arranged in the storage sleeve (25); A headrest (17), the headrest (17) being rotatably arranged on one end of the first force-bearing plate (15) extending out of the storage sleeve (25); A second force-bearing plate (33), wherein the second force-bearing plate (33) is fixedly arranged at the lower end of the storage sleeve (25); A first force-bearing block (12), wherein the first force-bearing block (12) is slidably arranged at one end of the second force-bearing plate (33); Two rows of limiting holes (30), the two rows of limiting holes (30) being arranged at one end of the second force-bearing plate (33); Two limiting beads (31) are fixedly arranged at one end of the first force-bearing block (12), and the two limiting beads (31) respectively extend into one of the limiting holes (30) in the two rows of limiting holes (30), and the two limiting beads (31) are elastic.

2. A seat headrest according to claim 1, characterized in that: A first force-bearing rod (16) is fixedly provided at one end of the first force-bearing plate (15) extending out of the storage sleeve (25); first screw rods (10) with nuts are threadedly connected to both ends of the first force-bearing rod (16); a second force-bearing rod (29) is rotatably provided between the two first screw rods (10) and the first force-bearing rod (16); and the headrest (17) is fixedly provided on the two second force-bearing rods (29).

3. The seat headrest according to claim 1, characterized in that: A storage cavity (14) is provided in the storage sleeve (25), a gear slot (27) is provided in the storage sleeve (25), the gear slot (27) is provided on one side of the storage cavity (14), a connecting slot (32) is provided on the bottom wall of the storage cavity (14), a shielding plate (28) is provided in the connecting slot (32), a second screw rod (23) with a nut passes through the shielding plate (28) and is threadedly connected to the storage sleeve (25), a section of the second screw rod (23) in the storage cavity (14) is provided with an abutment rod (22), one end of the abutment rod (22) in the storage cavity (14) is connected with an elastic member (21), a limiting rod (34) is fixedly provided at one end of the abutment rod (22) facing away from the shielding plate (28), and the limiting rod (34) extends into the gear slot (27) through the storage cavity (14).

4. A seat headrest according to claim 3, characterized in that: A blocking piece (24) is slidably disposed in the gear slot (27), a toggle slot (26) is formed through the blocking piece (24), and the limiting rod (34) passes through the toggle slot (26).

5. The seat headrest according to claim 1, characterized in that: A limiting groove (11) is provided at one end of the second force-bearing plate (33), two rows of limiting holes (30) are provided on both sides of the limiting groove (11), and the first force-bearing block (12) is slidably disposed in the limiting groove (11).

6. A seat headrest according to claim 5, characterized in that: A second force-bearing block (20) is provided at one end of the first force-bearing block (12) facing away from the second force-bearing plate (33), and a third screw rod (13) with a nut passes through the second force-bearing block (20) and is threadedly connected to the first force-bearing block (12).

7. A seat headrest according to claim 6, characterized in that: A third force-bearing block (18) is provided at one end of the second force-bearing block (20) facing away from the first force-bearing block (12), and a fourth screw rod (19) with a nut passes through the third force-bearing block (18) and is threadedly connected to the second force-bearing block (20).

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