Four-direction electric automobile headrest capable of being adjusted up and down and back and forth

Abstract

The utility model discloses a four-direction electric automobile headrest capable of being adjusted up and down and back and forth, which comprises a headrest rear shell, and a support rod is arranged at the lower end of the headrest rear shell in an extending manner; the headrest front cover is arranged on the front side of the headrest rear shell; the first supporting piece is arranged below the headrest rear shell and is connected with the supporting rod through a guide sleeve; the first driving motor is installed on the first supporting piece, a first screw rod is arranged at the output end of the first driving motor, and the first screw rod is connected with a lifting block at the lower end of the supporting rod; the second supporting piece is installed in the headrest rear shell, the upper end of the supporting rod is fixedly connected with the second supporting piece, a front-back sliding block is arranged in the second supporting piece in the front-back direction, the front end of the front-back sliding block is connected with the headrest front cover, and a second screw rod connected with the output end of the second driving motor is transversely arranged in the front-back sliding block in a penetrating mode. The electric four-direction adjusting structure can solve the problem that an existing automobile headrest is not provided with a reliable electric four-direction adjusting structure.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat headrests, in particular to an electric vehicle headrest that is adjustable in four directions, up and down, front and back. Background Art

[0002] Car seat headrests are a must-have component in every car. Many existing car seat headrests have the function of adjusting up and down, front and back, but they can only be adjusted manually. When adjusting manually, they need to be adjusted according to the pre-set gears and cannot stay in any position. In addition, manual adjustment is very inconvenient. At present, there are also car seat headrests that can be adjusted electrically, but it is difficult to set a reliable electric adjustment structure for a four-way adjustable headrest. Utility Model Content

[0003] The utility model provides an electric vehicle headrest which can be adjusted in four directions, up and down, front and back, and has a reliable structure, and can solve the problem that the existing automobile headrest has no reliable electric four-direction adjustment structure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-way electric vehicle headrest that can be adjusted up and down, front and back, comprises a headrest rear shell, a support rod is provided at the lower end of the headrest rear shell; a headrest front cover is arranged at the front side of the headrest rear shell; a first support member is arranged below the headrest rear shell and is connected to the support rod through a guide sleeve; a first drive motor is installed on the first support member, a first screw is provided at the output end of the first drive motor, and the first screw is connected to a lifting block at the lower end of the support rod; a second support member is installed inside the headrest rear shell, and the upper end of the support rod is fixed to the second support member The second support member is connected, and front and rear sliders are arranged inside along the front and rear directions, and the front ends of the front and rear sliders are connected to the headrest front cover, and second screws are arranged transversely in the front and rear sliders, and a second driving motor is installed on the rear side of the second support member, and the second screw is connected to the output end of the second driving motor. The lifting and lowering of the lifting block is driven by the first driving motor to realize the up and down adjustment of the support rod and the entire headrest, and the front and rear sliders can be driven to move forward and backward by the second driving motor and the second screw, thereby realizing the front and rear adjustment of the headrest front cover, and the structure is reliable, and the up and down adjustment and the front and rear adjustment will not affect each other.

[0005] Preferably, the headrest rear shell includes a front side plate and a rear cover spliced ​​front and rear, and the second support member is fixedly connected to the front side plate. After the rear cover is removed, the installation and adjustment of the second support member and other components can be facilitated.

[0006] Preferably, the second support member includes an upper sheet metal member and a lower sheet metal member, and the front and rear sliding blocks are arranged between the upper sheet metal member and the lower sheet metal member, so that the sliding of the front and rear sliding blocks can be adjusted forward and backward.

[0007] Preferably, the interior of the headrest front cover is fixedly connected with a front connecting plate, the front end of the second screw is inserted into the corresponding guide hole on the front connecting plate, and the front end of the second screw can be supported by the front connecting plate.

[0008] Preferably, the front ends of the front and rear sliders are inserted with front and rear support rods extending to the inside of the headrest front cover, and the front ends of the front and rear support rods are bent and extended upward, which can stably connect the headrest front cover and make the front and rear adjustment of the headrest front cover more stable.

[0009] Preferably, the headrest front cover includes a front substrate and a rear substrate arranged on the rear side of the front substrate, the front parts of the front and rear support rods and the front connecting plate are fixed between the front substrate and the rear substrate, and a comfort covering is arranged on the front side of the front substrate for easy assembly. There is enough space in the headrest front cover to arrange the front and rear support rods and the front connecting plate.

[0010] Preferably, the second support member also includes a motor mounting plate connected to the second drive motor, so as to facilitate connection to the second drive motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The lifting block is driven to rise and fall by the first driving motor, so that the support rod and the entire headrest can be adjusted up and down. The front and rear sliders can be driven to move forward and backward by the second driving motor and the second screw rod, so that the front cover of the headrest can be adjusted forward and backward. The structure is reliable, and the up and down adjustment and the front and rear adjustment will not affect each other, thereby solving the problem that the existing automobile headrest does not have a reliable electric four-way adjustment structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 It is a side cross-sectional structural diagram of the utility model;

[0015] Figure 3 It is a partial three-dimensional structural diagram of the utility model;

[0016] Figure 4 It is a partial three-dimensional structural diagram of the utility model;

[0017] Figure 5 It is a partial three-dimensional structural diagram of the utility model;

[0018] Figure 6 It is a partial three-dimensional structural diagram of the utility model.

[0019] Reference numerals:

[0020] 1. Headrest rear shell, 11. Second drive motor, 12. Front and rear sliders, 13. Front side plate, 14. Rear cover, 15. First support member, 16. Upper sheet metal, 17. Front connecting plate, 18. Lower sheet metal, 2. Headrest front cover, 21. Comfort cover, 22. Rear base plate, 23. Front base plate, 3. First drive motor, 4. Lifting block, 5. Support rod, 6. Guide sleeve, 7. Front and rear support rods, 8. First screw, 9. Second support member, 10. Second screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model is to solve the problem that the existing automobile headrest has no reliable electric four-way adjustment structure, such as Figure 1-6 As shown, the following technical scheme is provided: a four-way electric vehicle headrest that can be adjusted up and down, front and back, comprises a headrest rear shell 1, the lower end of which is provided with a support rod 5; a headrest front cover 2, which is arranged at the front side of the headrest rear shell 1; a first support member 15, which is arranged below the headrest rear shell 1 and is connected to the support rod 5 through a guide sleeve 6; a first drive motor 3, which is installed on the first support member 15, and the output end of the first drive motor 3 is provided with a first screw rod 8, and the first screw rod 8 is connected to the lifting block 4 at the lower end of the support rod 5; a second support member 9, which is installed inside the headrest rear shell 1, and the upper end of the support rod 5 is fixedly connected to the second support member 9, and the second A front and rear slider 12 is arranged inside the support member 9 along the front and rear direction, the front end of the front and rear slider 12 is connected to the headrest front cover 2, a second screw 10 is arranged transversely inside the front and rear slider 12, a second drive motor 11 is installed on the rear side of the second support member 9, the second screw 10 is connected to the output end of the second drive motor 11, and the lifting block 4 is driven by the first drive motor 3 to achieve the up and down adjustment of the support rod 5 and the entire headrest, and the front and rear slider 12 can be driven to move forward and backward by the second drive motor 11 and the second screw 10, so as to achieve the front and rear adjustment of the headrest front cover 2, the structure is reliable, and the up and down adjustment and the front and rear adjustment will not affect each other.

[0023] Specifically, during installation, the first support member 15 can be installed inside the seat, and the guide sleeve 6 is also installed and fixed inside the seat. The guide sleeve 6 can guide the lifting and lowering of the support rod 5. The first drive motor 3 is installed inside the seat, and the first screw rod 8 is vertically arranged. One end of the first screw rod 8 is used as the main shaft of the first drive motor 3. The lower end of the first screw rod 8 is movably connected to the bottom of the first support member 15 to support the rotation of the first screw rod 8. When the first screw rod 8 rotates, the lifting block 4 can be lifted and lowered, and the lifting block 4 and the support rod 5 are fixedly connected.

[0024] The second support member 9 is fixedly connected to the headrest rear shell 1, so the lifting and lowering of the support rod 5 can drive the entire headrest rear shell 1 and the headrest front cover 2 to lift and lower, and the second drive motor 11 drives the second screw 10 to rotate, so that the front and rear sliders 12 can move forward and backward, and the front and rear movement of the front and rear sliders 12 can drive the headrest front cover 2 to move forward and backward. The headrest rear shell 1 does not need to move, and the headrest front cover 2 only needs to move forward and backward.

[0025] In this embodiment, if Figure 2 As shown, the headrest rear shell 1 includes a front side plate 13 and a rear cover 14 spliced ​​front and rear, the second support member 9 is fixedly connected to the front side plate 13, and after the rear cover 14 is removed, the installation and adjustment of the second support member 9 and other components can be facilitated. The middle part of the front side plate 13 is hollowed out, and the second support member 9 and the front side plate 13 are connected through a fastener connecting seat.

[0026] In this embodiment, if Figure 3-4 As shown, the second support member 9 includes an upper sheet metal member 16 and a lower sheet metal member 18, and the front and rear sliders 12 are arranged between the upper sheet metal member 16 and the lower sheet metal member 18, and the sliding of the front and rear sliders 12 can be adjusted forward and backward. The upper sheet metal member 16 and the lower sheet metal member 18 can be welded, and the upper end of the support rod 5 is welded to the lower sheet metal member 18. The second support member 9 also includes a motor mounting plate 19 connected to the second drive motor 11, which is convenient for connecting the second drive motor 11.

[0027] In this embodiment, if Figure 6 As shown, the interior of the headrest front cover 2 is fixedly connected with a front connecting plate 17, and the front end of the second screw 10 is inserted into the corresponding guide hole on the front connecting plate 17. The front end of the second screw 10 can be supported by the front connecting plate 17. When the headrest front cover 2 moves forward and backward, the front connecting plate 17 can move axially along the second screw 10. When the second screw 10 rotates, it will not affect the forward and backward movement of the front connecting plate 17. A guide gasket is provided on the front connecting plate 17.

[0028] In this embodiment, if Figure 2 and 6 As shown, the front end of the front and rear sliders 12 is inserted with a front and rear support rod 7 extending to the inside of the headrest front cover 2. The front end of the front and rear support rod 7 is bent and extended upward, which can stably connect the headrest front cover 2, so that the front and rear adjustment of the headrest front cover 2 is relatively stable. The front and rear support rod 7 is connected to the front and rear sliders 12 by a pin, and the front and rear support rod 7 moves with the front and rear sliders 12.

[0029] In this embodiment, if Figure 2As shown, the headrest front cover 2 includes a front substrate 23 and a rear substrate 22 arranged on the rear side of the front substrate 23, the front part of the front and rear support rods 7 and the front connecting plate 17 are fixed between the front substrate 23 and the rear substrate 22, and the front side of the front substrate 23 is provided with a comfort covering 21, which is convenient for assembly. There is enough space in the headrest front cover 2 to set the front and rear support rods 7 and the front connecting plate 17, and the middle part of the rear substrate 22 is provided with a hollow part, and the front and rear sliders 12 pass through the hollow part.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A four-way adjustable headrest for electric vehicles, characterized in that: include: A headrest rear shell (1), wherein a support rod (5) is provided at the lower end of the headrest rear shell (1); A headrest front cover (2) is arranged on the front side of the headrest rear shell (1); A first support member (15) is disposed below the headrest rear shell (1) and is connected to the support rod (5) via a guide sleeve (6); A first drive motor (3) is mounted on the first support member (15); a first screw rod (8) is provided at the output end of the first drive motor (3); and the first screw rod (8) is connected to a lifting block (4) at the lower end of the support rod (5); The second support member (9) is installed inside the headrest rear shell (1), the upper end of the support rod (5) is fixedly connected to the second support member (9), the interior of the second support member (9) is provided with front and rear sliders (12) along the front and rear directions, the front ends of the front and rear sliders (12) are connected to the headrest front cover (2), a second screw rod (10) is transversely connected inside the front and rear sliders (12), a second drive motor (11) is installed on the rear side of the second support member (9), and the second screw rod (10) is connected to the output end of the second drive motor (11).

2. The electric vehicle headrest with four-way adjustment up and down and forward and backward according to claim 1, characterized in that: The headrest rear shell (1) comprises a front side plate (13) and a rear cover (14) which are spliced ​​front and back, and the second support member (9) is fixedly connected to the front side plate (13).

3. The electric vehicle headrest with four-way adjustment up and down and front and back according to claim 2 is characterized by: The second support member (9) comprises an upper sheet metal member (16) and a lower sheet metal member (18), and the front and rear sliding blocks (12) are arranged between the upper sheet metal member (16) and the lower sheet metal member (18).

4. The electric vehicle headrest with four-way adjustment up and down and forward and backward according to claim 3 is characterized in that: The interior of the headrest front cover (2) is fixedly connected with a front connecting plate (17), and the front end of the second screw rod (10) is inserted into a corresponding guide hole on the front connecting plate (17).

5. The electric vehicle headrest with four-way adjustment up and down and forward and backward according to claim 4 is characterized in that: A front and rear support rod (7) extending to the interior of the headrest front cover (2) is inserted into the front end of the front and rear sliding blocks (12), and the front end of the front and rear support rod (7) is bent and extended upward.

6. The electric vehicle headrest with four-way adjustment up and down and forward and backward according to claim 5 is characterized in that: The headrest front cover (2) comprises a front substrate (23) and a rear substrate (22) arranged on the rear side of the front substrate (23); the front part of the front and rear support rods (7) and the front connecting plate (17) are fixed between the front substrate (23) and the rear substrate (22); and the front side of the front substrate (23) is provided with a comfort covering part (21).

7. The electric vehicle headrest with four-way adjustment up and down and forward and backward according to claim 3 is characterized by: The second support member (9) further comprises a motor mounting plate (19) connected to the second drive motor (11).

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