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A headrest and seat technology, which is applied to vehicle seats, special positions of vehicles, transportation and packaging, etc. It can solve the problems of difficult adjustment, lowering of the headrest, inconvenient use, etc., and achieves easy height adjustment, comfortable head, Ease of use
Inactive Publication Date: 2013-09-11
阮小晨
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Abstract
Description
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Problems solved by technology
[0004] The headrest with this structure is not easy to adjust to the desired position when adapting to people of different heights. It takes repeated adjustments many times to achieve the ideal fit height, and it is not easy to adjust. The manually tightened screws are easy to loosen, causing the headrest The position drops during use, making it inconvenient to use
Method used
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Embodiment 1
[0022] Reference figure 1 figure 2 , A seat with a headrest, comprising a backrest 1 and a headrest 2 arranged above the backrest 1. The headrest 2 is connected with a lifting positioning mechanism.
[0023] The lifting positioning mechanism includes a pillar 3, a nut 4, a worm 5 and a motor 7. The pillar 3 is fixedly connected to the nut 4, the nut 4 is matched with the worm 5, and the worm 5 is connected to the motor 7 through a reducer 6;
[0024] The headrest 2 is connected with a pillar 3, the pillar 3 passes through a sleeve 8 arranged on the backrest 1, and the pillar 3 can move up and down in the sleeve 8.
[0025] When in use, the motor 7 drives the worm 5 to rotate, so that the pillar 3 fixed on the nut 4 moves up and down with the rotation of the worm 5, so that the headrest 2 moves up and down to achieve stepless lifting positioning.
[0026] The headrest 2 is a long strip with a height of 2-6cm, which is 5cm in this example.
[0027] Such as image 3 As shown, in order to ...
Embodiment 2
[0029] Reference Figure 4 The lifting positioning mechanism includes a pillar, a nut 4, a worm 5 and a motor 7. There are two pillars, namely the first pillar 3-1 and the second pillar 3-2. The two pillars are connected by a connecting rod 10, and the connecting rod 10 and the nut 4 Fixed connection, nut 4 is matched with worm 5, worm 5 is connected with motor 7;
[0030] The headrest 2 is connected with two pillars, which respectively pass through two sleeves arranged on the backrest 1, namely the first sleeve 8-1 and the second sleeve 8-2. The pillars can move up and down in the sleeves. , The rest is the same as in Example 1.
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Abstract
The invention discloses a seat with a headset. The seat with the headset comprises a backrest and the headrest arranged above the backrest and is characterized in that the headrest is connected with a lifting positioning mechanism. The lifting positioning mechanism comprises a support column, a nut, a worm and a motor, wherein the support column is fixedly connected with the nut, the nut and the worm are assembled together, and the worm is connected with the motor; and the headrest is connected with the support column, and the support column penetrates a casing pipe arranged on the backrest and can vertically move inside the casing pipe. Another type of the lifting positioning mechanism comprises two support columns, a nut, a worm and a motor, wherein the two support columns are connected through a connection rod, the connection rod is fixedly connected with the nut, the nut and the worm are assembled together, and the worm is connected with the motor; and the headrest is connected with the two support columns, and the two support columns penetrate two casing pipes arranged on the backrest and can vertically move inside the casing pipes. The headrest is in a long strip shape, and a swing-type headholder is also arranged above the headrest. The seat with the headrest achieves the stepless headrest lifting positioning and is simple in height adjustment and convenient to use.
Description
Technical field [0001] The invention relates to the field of vehicle accessories, in particular to a seat with a headrest. Background technique [0002] The structure of a commonly used chair includes a seat plate and a backrest. A person sits on the seat plate and the back is in contact with the backrest. As there is no support for the neck, the head and neck cannot be relaxed. After a long time, it is easy to fatigue the waist and neck. [0003] In order to solve this problem, the "office chair" with the publication number CN201718807U has a structure that is composed of a seat plate, a back plate, a headrest, an armrest, and feet. The lower end of the headrest is provided with an oval long hole. The headrest is connected with the back plate by screws through the oval long hole at the lower end. When in use, you can manually loosen the screws, adjust the headrest to the desired position and tighten the screws to fix the headrest. [0004] The headrest of this structure is not eas...
Claims
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Application Information
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