CN201658053U - Cushion angle adjustable seat headrest - Google Patents

Abstract

The utility model discloses a seat headrest with adjustable buffering angle, including being used for connecting the fixing support on the seat and can be for the headrest of fixing support activity, be connected through a slide between this fixing support and the activity headrest, the one end and the fixing support of this slide cup joint to the slide supports to press on compression spring for fixing support sharp elastic movement, the other end and the activity headrest pin joint of slide, the activity headrest is along with slide rectilinear movement simultaneously around its pin joint axle upset for the slide. Therefore, when in use, the headrest can automatically adjust the working direction of the user according to the shape of the head of the user and the angle or the height position, and provides elastic support and buffer, thereby being a scientific and reasonable headrest structure design which accords with human engineering and leading the user to obtain perfect and comfortable use experience.

Description

Cushion Angle Adjustable Seat Headrests

technical field

The utility model relates to the technology in the field of seats, in particular to a cushion angle-adjustable seat headrest structure.

Background technique

At present, seats are widely used in various aspects of people's lives. According to different places of use, seats include office seats, car seats, conference seats, etc., too numerous to mention. The headrest is one of the important parts equipped on many seats at present, and the headrest is utilized to provide the comfort that people's heads lean against. The headrest is best designed as an adjustable function, because it needs to be temporarily adjusted according to the differences in the personal physique and habits of different users, and, even for the same user, due to changes in posture or backrest during use Changes in angle also present a need to adjust the position and angle of the head restraint relative to the position of the user's head.

However, although there are some seats on the market, which have the basic function of adjusting the headrest, it is found that there are still many deficiencies in its own structure and performance in actual use. The existing adjustable seat headrest is basically an up and down telescopic adjustment structure, which can only adjust the height position of the headrest, but cannot adjust the pitch angle of the headrest, and the adjustment ability of the headrest is limited, which has great limitations. , is not conducive to market competition.

Utility model content

The main purpose of this utility model is to provide a cushioning angle adjustable seat headrest, which can not only freely adjust the pitch angle of the headrest, but also has the function of rebound buffering to provide elastic support for the user.

In order to achieve the above object, the utility model adopts the following technical solutions:

A seat headrest with adjustable cushioning angle, comprising a fixed support connected to the seat and a headrest movable relative to the fixed support, a sliding seat is connected between the fixed support and the movable headrest One end of the sliding seat is socketed with the fixed support, and the sliding seat presses against the compression spring and moves elastically relative to the fixed support in a straight line. The other end of the sliding seat is pivotally connected with the movable headrest, and the movable headrest is relatively The seat flips around its pivot axis while moving linearly with the slide.

As a preferred solution, an oblique support is provided on the fixed support, and the sliding seat is fitted on the oblique support to move obliquely along a straight line of the oblique support.

As a preferred solution, there are two or more oblique slots inside the oblique strut, and the corresponding two or more compression springs are embedded in the two oblique slots respectively. middle.

As a preferred solution, the sliding seat includes a sub-cover body with a main base body separately arranged, the sub-cover body is locked on the bottom surface of the main base body, between the main base body and the sub-cover body Enclosing and forming a chute opening to the rear; the above-mentioned oblique support rod is inserted and extended in the chute.

As a preferred solution, the sliding seat is provided with a first elongated groove extending along the moving direction of the sliding seat, corresponding to the first stop projection provided on the fixed support, the first stop projection Embedded in the first elongated groove, a sliding stroke limiting structure of the sliding seat relative to the fixed support is formed.

As a preferred solution, a first sleeve is provided on the sliding seat, and a second sleeve extending laterally at two intervals is provided on the back corresponding to the headrest, and the first sleeve is located between the two second sleeves. and the shaft holes of the first sleeve and the second sleeve are on the same straight line, a rotating shaft rod passes through the shaft holes of the first sleeve and the two second sleeves at the same time to form a gap between the sliding seat and the headrest. The hinge structure between them.

As a preferred solution, the back of the movable headrest is provided with a second elongated groove extending along the rotation direction of the movable headrest, corresponding to a second limit projection provided on the sliding seat, the second limit The protruding block is embedded in the second elongated groove, forming a turn-over travel limit structure of the movable headrest relative to the sliding seat.

As a preferred solution, the fixed support is detachably inserted on the seat, and the lower part of the fixed support is provided with an elastic buckle connected with the seat.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that the headrest is mainly connected to the fixed support through a sliding seat, because the sliding seat can be relatively The fixed support moves elastically backward, and at the same time, the headrest is pivotally connected to the sliding seat so that it can flip and move relative to the sliding seat, so the headrest has the function of turning over and elastically moving backward at the same time. Further setting the fixed support as a structure that can be lifted and positioned relative to the seat also makes the entire headrest have the function of overall lifting and adjusting the use height. Therefore, when in use, the headrest can automatically adjust its working direction according to the shape of the user's head, depending on the angle or height position, and provide elastic support and cushioning. It is a very scientific, reasonable and ergonomic headrest structure. Designed to enable users to obtain a perfect and comfortable experience.

In order to more clearly illustrate the structural features and effects of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the perspective view of the overall assembly of the embodiment of the utility model;

Fig. 2 is a partially exploded view of an embodiment of the utility model;

Fig. 3 is a three-dimensional enlarged view of a fixed support in an embodiment of the present invention;

Fig. 4 is a three-dimensional enlarged view of the bottom surface structure of the main seat body of the sliding seat in the embodiment of the present utility model

Fig. 5 is a cross-sectional view of an embodiment of the present invention, in which the headrest is turned upside down;

Fig. 6 is another working state diagram of Fig. 5, the headrest in the figure is in the state of turning down;

Fig. 7 is another working state view of Fig. 5, the headrest in the figure is in the state of moving backward.

Explanation of the accompanying drawings:

10. Fixed support 11. Diagonal support rod

12. Inclined groove 13. First limit bump

14. Elastic buckle 20. Movable headrest

21. The second sleeve 22. The second strip groove

30. Sliding seat 31. Main seat body

32. Auxiliary cover body 33. Chute

34. The first sleeve 35. The first strip groove

36. Second limit bump 40. Compression spring

50. Shaft rod 60. Shaft hole cover

Detailed ways:

Please refer to shown in Fig. 1 to Fig. 7, it has shown the specific structure of the preferred embodiment of the present utility model, comprises the fixed support 10 that is used to be connected on the seat and the head that can move relative to fixed support 10 Pillow 20, the fixed support 10 and the movable headrest 20 are connected by a sliding seat 30.

Specifically, as shown in Figures 2 and 3, the fixed support 10 is detachably inserted into the seat, and the lower part of the fixed support 10 is provided with an elastic buckle 14, which can be used between the elastic buckle 14 and the seat. An elastic tight fit is formed, so that the fixed support 10 can be lifted up and down and positioned at an appropriate height. An oblique strut 11 is arranged on the upper part of the fixed support 10 , and there are two oblique embedding grooves 12 inside the oblique strut 11 . As shown in FIG. 2 , FIG. 5 , FIG. 6 and FIG. 7 , a compression spring 40 is respectively installed in the two oblique slots 12 , and the outer end of the compression spring 40 is exposed outside the oblique slot 12 . Certainly, the number of the oblique slots 12 and the compression springs 40 is not limited to two in the drawings, and they can also be set to be less or more, without being limited thereto.

Described slide seat 30 comprises a sub-cover body 32 of a main base body 31 that is separately arranged, as shown in Figure 2, this sub-cover body 32 is locked on the bottom surface of main base body 31, between this main base body 31 and auxiliary A chute 33 opening to the rear is enclosed between the covers 32, as shown in Fig. 4 and Fig. 5, the aforementioned oblique strut 11 is inserted and extended in the chute 33 in a clearance fit type, so that one end of the sliding seat 30 is sleeved on the chute 33. on the inclined pole 11, and the sliding seat 30 can move obliquely along the straight line of the inclined pole 11, and at the same time, the sliding seat 30 is pressed against the two compression springs 40, and the automatic reset of the sliding seat 30 is provided by the compression spring 40 elastic.

The other end of the sliding seat 30 is pivotally connected to the movable headrest 20 , so that the movable headrest 20 can be turned around its pivot axis relative to the sliding seat 30 and move linearly with the sliding seat 30 . The sliding seat 30 in this embodiment is provided with a first sleeve 34 (as shown in Figure 4), corresponding to the back of the headrest 20, there are two second sleeves 21 extending laterally at two intervals (as shown in Figure 2). The first sleeve 34 is located between the two second sleeves 21, and the shaft holes of the first sleeve 34 and the second sleeve 21 are on the same straight line, and a rotating shaft rod 50 penetrates the first sleeve 34 and the second sleeve 21 at the same time. The shaft holes of the two second sleeves 21 form a pivot structure between the sliding seat 30 and the headrest 20 . Preferably, shaft hole covers 60 are respectively arranged on the outer sides of the two second sleeves 21, so as to maintain the beautiful appearance of the product.

And, preferably, a sliding stroke limiting structure is also provided between the sliding seat 30 and the fixed support 10, and the sliding stroke limiting structure specifically includes a first long bar arranged on the bottom surface of the main base body 31. Groove 35 (as shown in Figure 4), the first elongated groove 35 extends along the moving direction of the slide seat 30, and is integrally provided with a first stopper 13 corresponding to the oblique pole 11 (as shown in Figure 2) , the first limiting protrusion 13 is embedded in the first elongated groove 35, so that the first limiting protrusion 13 can only slide within the range of the first elongated groove 35, so as to limit the sliding of the sliding seat 30. The moving distance plays the role of limiting the sliding stroke of the sliding seat 30, so as to prevent the sliding seat 30 from moving too far and affect the normal working performance of the headrest 20 and the service life of the compression spring 40.

Preferably, an overturning stroke limiting structure is also provided between the slide seat 30 and the headrest 20, and the overturning stroke limiting structure specifically includes a second elongated groove 22 ( As shown in Figure 2), the second elongated groove 22 extends in an arc along the turning direction of the headrest 20, and is integrally provided with a second limiting protrusion 36 corresponding to the slide seat 30 (as shown in Figure 4). Two limiting projections 36 are also embedded in the second elongated groove 22, so that the second limiting projection 36 can only rotate within the second elongated groove 22 to limit the turning angle of the headrest 20 , to achieve the effect of limiting the turning stroke of the headrest 20, so as to prevent the headrest 20 from rotating too much and affecting the normal working direction of the headrest 20.

The key point of the design of this utility model is that it mainly connects the headrest to the fixed support through a sliding seat. It can be turned over relative to the sliding seat, so the headrest has the function of turning over and elastically moving backwards at the same time. Further setting the fixed support as a structure that can be lifted and positioned relative to the seat also makes the entire headrest have the function of overall lifting and adjusting the use height. Therefore, when in use, the headrest can automatically adjust its working direction according to the shape of the user's head, depending on the angle or height position, and provide elastic support and cushioning. It is a very scientific, reasonable and ergonomic headrest structure. Designed to enable users to obtain a perfect and comfortable experience.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (8)

1. A seat headrest with adjustable cushioning angle, comprising a fixed support connected to the seat and a headrest movable relative to the fixed support, characterized in that: the fixed support and the movable headrest The inter-connection is through a sliding seat, one end of the sliding seat is socketed with the fixed support, and the sliding seat is pressed against the compression spring to move linearly and elastically relative to the fixed support, and the other end of the sliding seat is pivotally connected with the movable headrest. The movable headrest turns over around its pivot axis relative to the sliding seat and moves linearly with the sliding seat at the same time. 2. The seat headrest with adjustable cushioning angle according to claim 1, characterized in that: the fixed support is provided with an oblique strut, the sliding seat is set on the oblique strut, and The strut moves obliquely in a straight line. 3. The seat headrest with adjustable cushioning angle according to claim 2, characterized in that: there are two or more oblique slots inside the oblique struts, and the compression springs are the corresponding two Or more than two, they are respectively embedded in the two oblique slots. 4. The seat headrest with adjustable cushioning angle according to claim 2, characterized in that: the sliding seat includes a main seat and a sub-cover which are separately arranged, and the sub-cover is locked to the main seat. The bottom surface of the seat body is enclosed between the main seat body and the auxiliary cover body to form a chute opening to the rear; the aforementioned oblique struts are inserted into the chute. 5. The seat headrest with adjustable cushioning angle according to claim 1, characterized in that: the sliding seat is provided with a first long groove extending along the moving direction of the sliding seat, corresponding to the fixed support. A first limiting protrusion is provided, and the first limiting protrusion is embedded in the first elongated groove to form a sliding stroke limiting structure of the sliding seat relative to the fixed support. 6. The seat headrest with adjustable cushioning angle according to claim 1, characterized in that: a first sleeve is arranged on the sliding seat, corresponding to the back of the headrest is provided with two intervals of the first sleeve extending laterally. Two sleeves, the first sleeve is located between the two second sleeves, and the shaft holes of the first sleeve and the second sleeve are located on the same straight line, and a rotating shaft penetrates the first sleeve and the two sleeves at the same time The shaft hole of the second sleeve forms the pivot structure between the sliding seat and the headrest. 7. The seat headrest with adjustable cushioning angle according to claim 1, characterized in that: the back of the movable headrest is provided with a second long groove extending along the rotation direction of the movable headrest, corresponding to the sliding A second limiting protrusion is arranged on the seat, and the second limiting protrusion is embedded in the second elongated groove to form a reverse stroke limiting structure of the movable headrest relative to the sliding seat. 8. The seat headrest with adjustable cushioning angle according to claim 1, characterized in that: the fixed support is detachably inserted on the seat, and the lower part of the fixed support is provided with an elastic buckle.

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