Seat headrest

Abstract

The utility model discloses a seat headrest which comprises a headrest frame, the headrest frame is connected with a translation frame in a rotating mode, the translation frame comprises a rotating connecting part and a translation part, and a translation adjusting assembly is arranged in the translation part. The translation adjusting assembly comprises a rack arranged on the inner side wall of the translation part, a sliding block arranged in the translation part in a sliding mode, a tooth block installed on the sliding block and elastically meshed with the rack and a rotating block rotationally arranged on the sliding block and connected with the tooth block in an abutting mode, and the sliding block is fixedly connected with a supporting plate. Translation adjustment of the translation frame relative to the supporting plate can be achieved through the translation adjustment assembly. The headrest frame is reasonable in structural design, multi-direction limiting adjustment of the headrest frame can be achieved, a user can have a better using angle, and using comfort is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field more specifically, relate to a seat headrest. BACKGROUND

[0002] Chair as people's work, life widely used seat, get people's universal recognition and love. Its variety style is various, the function is different, plays the indispensable role in daily life and office work.

[0003] The user will rest the head on the headrest when using the chair, thereby relieving the fatigue of head and neck, if the headrest can not better fit the user's head, then the user will feel uncomfortable, and can not relieve the effect of the user's head and neck fatigue. UTILITY MODEL CONTENT

[0004] The utility model overcomes the insufficient of prior art, its structure design is reasonable, can realize the multidirectional position regulation of headrest frame, make the user have better use angle, improve the use comfort.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A seat headrest, including headrest frame, the headrest frame is rotatably connected with the translation frame, the translation frame includes rotatably connected portion and translation portion, the translation portion is provided with translation adjusting assembly in, translation adjusting assembly includes the rack for being set on the inner wall of translation portion, the sliding block for being slidably arranged in translation portion, the tooth block for being installed on the sliding block and being elastically engaged with the rack, the rotating block for being rotatably arranged on the sliding block and being abutted with the tooth block, the support plate is fixedly connected with the sliding block, and the translation adjusting assembly can realize the translation adjustment of translation frame relative to support plate.

[0007] Preferably, the sliding block is provided with a receiving groove, the tooth block is installed in the receiving groove, and the tooth block includes a toothed portion, an abutting segment abutting against the side wall of the receiving groove, and an abutting portion abutting against the rotating block.

[0008] Preferably, the abutting segment is configured as an elastic segment abutting against the side wall of the receiving groove, so that the toothed portion can be elastically engaged with the rack.

[0009] Preferably, a spring is arranged between the abutting portion and the side wall of the receiving groove, so that the toothed portion can be elastically engaged with the rack.

[0010] Preferably, the abutting segment is configured as an elastic segment abutting against the side wall of the receiving groove, and a spring is arranged between the abutting portion and the side wall of the receiving groove, so that the toothed portion can be elastically engaged with the rack.

[0011] Preferably, the rotating block is provided with a contact portion abutting against the abutting portion and a pull lever protruding from the translation portion, and the translation portion is provided with a through hole for the pull lever to protrude.

[0012] Preferably, the translation part comprises a base and a top cover arranged on the base, the slider is arranged on the base, and the translation of the translation part relative to the support plate can be realized by operating the top cover.

[0013] Preferably, the rotating connection part is configured as a hollow annular cylinder, the inner wall of the rotating connection part is provided with a clamping column, and the headrest frame is connected with the translation frame in a rotating manner through a rotating part inserted into the rotating connection part, and the rotating part is provided with a plurality of grooves matched with the clamping column.

[0014] Preferably, the support plate is rotatably connected with a fixing support, and the fixing support is provided with a lifting frame capable of sliding and lifting relative to the fixing support.

[0015] Preferably, the fixing support is provided with at least one guide concave strip in the vertical direction, and the lifting frame is provided with an elastic clamping block corresponding to the guide concave strip, and the lifting frame is limited and lifted relative to the fixing support through the cooperation of the elastic clamping block and the guide concave strip.

[0016] The headrest frame can be adjusted in multiple directions, so that the user has a better use angle and the use comfort is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame

[0018] Figure 2 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame Figure One ;

[0019] Figure 3 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame Figure Two ;

[0020] Figure 4 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame

[0021] Figure 5 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame

[0022] Figure 6 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame

[0023] Figure 7 The utility model discloses a specific embodiment structure schematic diagram reflects the structure of the translation frame

[0024] Figure 8Part structure diagram of the rotating connecting part is reflected for the embodiment of the utility model.

[0025] Figure 9 Structure diagram of the headrest frame is reflected for the embodiment of the utility model.

[0026] Figure 10 Structure diagram of the fixed support is reflected for the embodiment of the utility model.

[0027] Figure 11 Structure diagram of the lifting frame is reflected for the embodiment of the utility model.

[0028] In the drawing: 1, headrest frame; 11, rotating part; 12, recess; 2, translation frame; 3, rotating connecting part; 31, clamping column; 4, translation part; 41, perforation; 42, base; 43, top cover; 44, anti-skid strip; 5, translation adjusting assembly; 51, rack; 52, sliding block; 521, accommodating groove; 53, tooth block; 531, toothed part; 532, abutting section; 533, abutting part; 54, rotating block; 541, contact part; 542, push rod; 6, support plate; 7, fixed support; 71, guiding concave strip; 8, lifting frame; 81, elastic clamping block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] As Figures 1-11As shown, a seat headrest comprises a headrest frame 1, a translation frame 2 is rotationally connected with the headrest frame 1, the translation frame 2 comprises a rotation connecting part 3 and a translation part 4, a translation adjusting assembly 5 is arranged in the translation part 4, the translation adjusting assembly 5 comprises a rack 51 arranged on the inner wall of the translation part 4, a sliding block 52 slidably arranged in the translation part 4, a tooth block 53 elastically engaged with the rack 51 and arranged on the sliding block 52, a rotating block 54 rotationally arranged on the sliding block 52 and abutting against the tooth block 53, the sliding block 52 is fixedly connected with a support plate 6, the translation adjusting assembly 5 can realize the translation adjustment of the translation frame 2 relative to the support plate 6; the sliding block 52 is provided with a receiving groove 521, the tooth block 53 is arranged in the receiving groove 521, the tooth block 53 comprises a toothed part 531, an abutting segment 532 abutting against the side wall of the receiving groove 521 and an abutting part 533 abutting against the rotating block 54; the abutting segment 532 is configured as an elastic segment abutting against the side wall of the receiving groove 521, so that the toothed part 531 can be elastically engaged with the rack 51; an elastic member is arranged between the abutting part 533 and the side wall of the receiving groove 521, so that the toothed part 531 can be elastically engaged with the rack 51; the abutting segment 532 is configured as an elastic segment abutting against the side wall of the receiving groove 521, and an elastic member is arranged between the abutting part 533 and the side wall of the receiving groove 521, so that the toothed part 531 can be elastically engaged with the rack 51; the rotating block 54 is provided with a contact part 541 abutting against the abutting part 533 and a push rod 542 extending out of the translation part 4, the translation part 4 is provided with a through hole 41 for the push rod 542 to expose; the translation part 4 comprises a base 42 and a top cover 43 arranged on the base 42, the sliding block 52 is arranged on the base 42, and the translation adjustment of the translation part 4 relative to the support plate 6 can be realized by operating the top cover 43, the top cover 43 is provided with an anti-skid strip 44; the rotation connecting part 3 is configured as a hollow annular column, the inner wall of the rotation connecting part 3 is provided with a clamping column 31, the headrest frame 1 is rotationally connected with the translation frame 2 through a rotating part 11 inserted into the rotation connecting part 3, the rotating part 11 is provided with a plurality of grooves 12 matched with the clamping column 31; the support plate 6 is rotationally connected with a fixed support 7, the fixed support 7 is provided with a lifting frame 8 which can slide up and down relative to the fixed support 7; the fixed support 7 is provided with at least one guide concave strip 71 in the vertical direction, the lifting frame 8 is provided with an elastic clamping block 81 corresponding to the guide concave strip 71, and the lifting frame is limitedly adjusted up and down relative to the fixed support 7 through the cooperation of the elastic clamping block 81 and the guide concave strip 71.

[0031] By adopting the above technical scheme, in the utility model, headrest frame 1 is used for providing support for head when user sits on chair, wherein, pillow and the like filling articles can be installed on headrest frame 1 to make head have more comfortable leaning effect.And through the rotation connection of headrest frame 1 and translation frame 2, through the cooperation of clamping column 31 and multiple grooves 12, the rotation limiting adjustment of headrest frame 1 relative to translation frame 2 can be realized.And through the setting of translation adjustment assembly 5, the translation limiting adjustment of translation frame 2 relative to support plate 6 can be realized.And through the setting of elastic clamping block 81 and guide concave strip 71, the lifting limiting adjustment of fixed support 7 relative to lifting frame 8 can be realized.

[0032] In translation adjustment assembly 5, through the translation of operating top cover 43, since top cover 43 is fixedly connected with base 42, at this time, rack 51 will be translated relative to toothed portion 531, and after translation adjustment, toothed portion 531 is clamped in rack 51 to realize the limiting of translation frame 2.And, since abutting section 532 is arranged as an elastic section and / or elastic element (not shown in the figure, the elastic element can be arranged as a spring in particular) is arranged between abutting portion 533 and the sidewall of accommodating groove 521, so that toothed portion 531 can be elastically engaged in rack 51, so that base 42 and sliding block 52 can be adjusted relative to sliding.

[0033] And, by being provided with rotating block 54, rotating block 54 has contact portion 541 abutting against abutting portion 533, when it is needed to separate toothed portion 531 from rack 51, by pushing push rod 542, toothed portion 531 can be separated from the engagement clamping of rack 51.Rotating block 54 can specifically realize unlocking or eliminating clamping failure problems.

[0034] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A headrest for a seat comprising a headrest frame (1), characterized in that The headrest frame (1) is rotationally connected with a translation frame (2), the translation frame (2) comprises a rotation connecting part (3) and a translation part (4), the translation part (4) is provided with a translation adjusting assembly (5) inside, the translation adjusting assembly (5) comprises a rack (51) arranged on the inner side wall of the translation part (4), a sliding block (52) slidably arranged in the translation part (4), a tooth block (53) elastically engaged with the rack (51) and arranged on the sliding block (52), and a rotating block (54) rotationally arranged on the sliding block (52) and abutting against the tooth block (53), the sliding block (52) is fixedly connected with a support plate (6), and the translation adjusting assembly (5) can realize the translation adjustment of the translation frame (2) relative to the support plate (6).

2. A headrest according to claim 1, wherein The sliding block (52) is provided with a containing groove (521), the tooth block (53) is arranged in the containing groove (521), and the tooth block (53) comprises a tooth-shaped part (531), an abutting segment (532) abutting against the side wall of the containing groove (521), and an abutting part (533) abutting against the rotating block (54).

3. A headrest according to claim 2, wherein The abutting segment (532) is an elastic segment abutting against the side wall of the containing groove (521), so that the tooth-shaped part (531) can be elastically engaged with the rack (51).

4. The headrest of claim 2, wherein An elastic member is arranged between the abutting part (533) and the side wall of the containing groove (521), so that the tooth-shaped part (531) can be elastically engaged with the rack (51).

5. The headrest of claim 2, wherein The abutting segment (532) is an elastic segment abutting against the side wall of the containing groove (521), and an elastic member is arranged between the abutting part (533) and the side wall of the containing groove (521), so that the tooth-shaped part (531) can be elastically engaged with the rack (51).

6. A headrest as claimed in claim 3 or 4 or 5, wherein, The rotating block (54) is provided with a contact part (541) abutting against the abutting part (533) and a push rod (542) extending out of the translation part (4), and the translation part (4) is provided with a through hole (41) for exposing the push rod (542).

7. A headrest according to claim 6, wherein The translation part (4) comprises a base (42) and a top cover (43) arranged on the base (42), the sliding block (52) is arranged on the base (42), the translation adjustment of the translation part (4) relative to the support plate (6) can be realized by operating the top cover (43), and the top cover (43) is provided with an anti-skid strip (44).

8. A headrest according to claim 7, wherein The rotation connecting part (3) is a hollow annular column, the inner wall of the rotation connecting part (3) is provided with a clamping column (31), the headrest frame (1) is rotationally connected with the translation frame (2) through a rotating part (11) inserted into the rotation connecting part (3), and the rotating part (11) is provided with a plurality of grooves (12) matched with the clamping column (31).

9. A headrest according to claim 8, wherein The support plate (6) is rotationally connected with a fixed support (7), and the fixed support (7) is provided with a lifting frame (8) which can slide up and down relative to the fixed support (7).

10. A headrest according to claim 9, wherein At least one guide concave strip (71) is arranged on the fixed support (7) in the vertical direction, and the lifting frame (8) is provided with an elastic clamping block (81) corresponding to the guide concave strip (71), and the elastic clamping block (81) and the guide concave strip (71) are matched to realize the limiting up-down adjustment of the lifting frame relative to the fixed support (7).

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