TWI633861B - Universal headrest clamping structure - Google Patents

Abstract

The utility model relates to a general-purpose headrest clamping structure, which is used for clamping and fixing a headrest to an upper frame of a chair back frame of a chair, comprising a fixing member, an upper hooking member and a lower hooking member; wherein the upper hook The upper hook member is fixed to one of the hook member mounting portions of the fixing member, and the lower hook member is slidably disposed on the lower hook member sliding slot of the fixing member by a sliding portion; wherein the fixing member is Attaching the upper hook member and the lower hook member to the upper frame of the seat back frame, at least one upper hook portion of the upper hook member is pressed against the upper portion of the upper frame, that is, the sliding of the lower hook member The sliding portion is adjusted such that the at least one hook portion abuts against the lower portion of the upper frame, and the sliding portion is fixed to the lower hook mounting portion, thereby fixing the fixing member and the headrest to the upper frame on.

Description

Universal headrest clamping structure

The invention relates to a general-purpose headrest clamping structure, in particular to a general-purpose headrest clamping structure used on a chair back frame capable of holding various chair members.

In general, when a headrest is to be equipped with a headrest, most of the headrests are designed to be completed before the back of the chair is manufactured. However, the chair sets used in Europe and the United States are generally mostly headless. When the chair made in Europe and America is sold to Asia, the Asians prefer to have a headrest to look more stylish. When the headrest is needed, it is unlikely that the manufacturing end of Europe and the United States will additionally design and manufacture the matching headrest for the chair, which causes the sales side to be troubled in the sales and the choice of the client.

In addition, even if the manufacturing end of Europe and the United States is willing to add headrests, since the shape, thickness and height of the frame on each chair are different, a new headrest adjustment should be designed for each chair. The structural fasteners result in additional design, mold opening and production at the manufacturing end, which adds additional manufacturing cost and time cost.

This case proposes a solution to this problem: the use of a "universal headrest clamping structure" allows the same headrest to be combined on the back of various chair sets, increasing the range and efficiency of the headrest.

The main object of the present invention is to provide a general-purpose headrest clamping structure for The utility model can be used for clamping and fixing a headrest to an upper frame of a chair back frame of a chair, comprising: a fixing component comprising a front seat portion and a rear cover portion, the front face portion of the front seat portion comprising: an upper hook member mounted The lower portion of the front seat portion is disposed at an upper portion of the front seat portion, and the lower hook member chute is disposed at a lower portion of the front seat portion, wherein the lower hook member mounting portion is located below The upper hook wall of the hook member; the upper hook member is an integrally formed body, comprising: an upper hook fixing portion and at least one upper hook portion projecting forwardly from the upper hook fixing portion and having a length and a width, and The front end of the at least one upper hook portion is curved downwardly into a hook shape; and the lower hook member is integrally formed, and comprises: a base, at least the lower hook portion is protruded forward from the base and has a certain length And a width, and the front end of the at least one hook portion is curved upwardly in a hook shape, and a sliding portion is protruded rearwardly from the base; wherein the upper hook member is fixed to the hook member by the upper hook fixing portion On the mounting portion, the lower hook member is attached to the sliding portion Slidably disposed on the hook sliding groove of the fixing member; wherein the fixing member is fastened to the upper frame of the back frame by the upper hook and the lower hook, and at least one hook of the upper hook The portion is pressed against the upper portion of the upper frame, that is, the sliding portion of the lower hook member is slidably adjusted such that the at least one lower hook portion abuts against the lower portion of the upper frame, and the sliding portion and the lower hook member are further The mounting portion is fixed, whereby the fixing member and the headrest are fixed to the upper frame.

1‧‧‧ headrest clamping structure

10‧‧‧Sliding parts

10a‧‧‧ front side

11‧‧‧ headrest joint

12‧‧‧ recessed space

13‧‧‧First tooth row

14‧‧‧Second tooth row

20‧‧‧Fixed parts

21‧‧‧ Front seat

21a‧‧‧ front

211‧‧‧Upper hook mounting

211a‧‧‧ screw hole

212‧‧‧Hook part installation

213‧‧‧Under hook chute

214‧‧‧ top wall

22‧‧‧Back cover

23‧‧‧First chute

24‧‧‧ button slot

25‧‧‧Second chute

26‧‧‧stops

27‧‧‧Second spring fixed end

28‧‧‧ Gear slot

30‧‧‧ button pieces

31‧‧‧ Pressing Department

32‧‧‧ convex key

33‧‧‧ button tooth row

34‧‧‧Flexible Department

35‧‧‧Flexible feet

36‧‧‧First spring fixed end

37‧‧‧Compression spring

40‧‧‧ damping gear

50‧‧‧Hooks

51‧‧‧Upper hook

52‧‧‧Upper hook fixing

521‧‧‧ screw holes

53‧‧‧First anti-skid

54‧‧‧ screw fittings

60‧‧‧Hooks

60a‧‧‧Hooks

60b‧‧‧Hooks

61‧‧‧Sliding section

611‧‧‧ screw holes

62‧‧‧Base

63‧‧‧Under the hook

64‧‧‧Second skid

65‧‧‧ nuts

66‧‧‧ screw fittings

2‧‧‧back frame

70‧‧‧上上

71‧‧‧ upper

72‧‧‧ lower

3‧‧‧ head pillow

1 is a perspective assembled view (rear view) of a headrest fixed to a position in the present invention.

FIG. 2 is a schematic perspective view of the headrest of FIG. 1 being adjusted to move to another higher position. FIG.

Figure 3 is a perspective assembled view (front perspective) of one embodiment of the present invention mounted on a seat back frame (hook portion under the hook portion).

Figure 4 is another embodiment of the present invention mounted on the back frame of the chair (the hook portion is shorter than the hook portion) Stereoscopic combination diagram (front perspective).

Figure 5 is a perspective exploded view (front perspective) of an embodiment of the present invention.

Fig. 6 is a side exploded view showing an embodiment (a seat back frame having a small frame thickness) of the present invention mounted on a seat back frame.

Fig. 7 is a side exploded perspective view showing another embodiment (a seat back frame having a large frame thickness) mounted on a seat back frame of the present invention.

Figure 8 is another perspective exploded view of a portion of Figure 5.

Figure 9 is a plan view showing the slider in a fixed state in the present invention.

Figure 10 is a plan view showing the sliding member of Figure 9 in an adjusted state of movement.

In order to make the present invention more specific and detailed, the preferred embodiment and the following drawings are used to describe the structure and technical features of the present invention as follows: Referring to Figures 1 to 10, the present invention provides a general-purpose headrest. The clamping structure 1 is used for clamping and fixing a headrest 3 to the upper frame 70 of the chair back frame 2 of a chair, and comprises a fixing member 20, an upper hook member 50 and a lower hook member 60.

The fixing member 20 is composed of a front seat portion 21 and a rear cover portion 22. The front surface portion 21a of the front seat portion 21 includes an upper hook mounting portion 211 attached to the upper portion of the front seat portion 21, and a lower hook mounting portion 212. The lower hook portion 213 is disposed at a lower portion of the front seat portion 21; wherein the lower hook member mounting portion 212 is located on the top wall 214 of the lower hook member sliding slot 213.

The upper hook member 50 is an integrally molded body, and includes: an upper hook fixing portion 52; and at least one upper hook portion 51 is protruded forward from the upper hook fixing portion 52 and has a certain length and width. However, it is not limited, and the front end of the at least one upper hook portion 51 is curved downwardly into a hook shape, wherein the length of the upper hook portion 51 is not limited.

As shown in FIG. 5, the upper hook member 50 further includes two upper hook portions 51, but is not limited, so that the manufacturing end can change the outer shape (such as the claw shape) of the upper hook portion 51.

The lower hook member 60 is an integrally molded body, and includes: a base 62; at least the lower hook portion 63 is protruded forward from the base 62 and has a length and a width but is not limited, and the at least one hook portion The front end of the 63 is curved upwardly in a hook shape; and a sliding portion 61 is formed by the base 62 projecting rearward.

Since the shape or size of the lower hook portion 63 of the lower hook member 60 is not limited, the lower hook portion 63 can be designed according to the shape or size of the seat back frame 2, such as the lower hook as shown in FIG. The lower portion of the hook portion 60a of the portion 63 or the lower hook portion 60b of the lower hook portion 63 as shown in FIG. 4 is advantageous for the headrest clamping structure 1 to be applied to different seat back frames 2 .

The upper hook member 50 is fixed to the hook mounting portion 211 of the fixing member 20 by the upper hook fixing portion 52. The lower hook member 60 is slidably disposed under the fixing member 20 by the sliding portion 61. On the chute 213.

The fixing member 20 is fastened to the upper frame 70 of the back frame 3 by the upper hook member 50 and the lower hook member 60. At this time, at least one upper hook portion 51 of the upper hook member 50 is pressed against the upper frame 70. The upper portion 71, that is, the sliding portion 61 of the lower hook member 60 is slidably adjusted such that the at least one lower hook portion 63 abuts against the lower portion 72 of the upper frame 70, and the sliding portion 61 and the lower hook member are mounted. The portion 212 is fixed, whereby the fixing member 20 and the headrest 3 are fixed to the upper frame 70.

As shown in FIG. 6, the space between the upper hook member 50 and the lower hook member 60 (shown by the distance h of FIG. 6) can match the smaller thickness of the frame of the seat back frame 2 (as shown in FIG. 6 d distance shown) to clamp; as shown in Figure 7, the upper hook member 50 and the lower hook member 60 can be clamped The gap (shown by the distance H of Figure 7) can be clamped to match the smaller thickness of the frame of the back frame 2 (shown by the distance D of Figure 7).

As shown in FIG. 5, the upper hook fixing portion 52 is further provided with a screw hole 521, but is not limited; wherein the upper hook mounting portion 211 is further provided with a screw hole 211a, but is not limited, wherein a screwing member 54 passes through The screwing hole 521 of the upper hook fixing portion 52 locks the upper hook fixing portion 52 to the screw hole 211a of the upper hook mounting portion 211; wherein the sliding portion 61 of the lower hook member 60 is further provided with a screw hole 611. However, the lower hook mounting portion 212 further defines a nut hole but is not limited to be inserted into a nut 65, wherein a screwing member 66 passes through the screw hole 611 of the sliding portion 61. The sliding portion 61 is locked to the nut 65 in the lower hook mounting portion 212.

As shown in FIG. 5, the bottom surface of at least one upper hook portion 51 of the upper hook member 50 is further provided with a first anti-slip portion 53 but is not limited to increase the frictional force against the upper portion 72 of the upper frame 70; the lower hook member At least the lower surface of the hook portion 63 is further provided with a second anti-slip portion 64 but is not limited to increase the frictional force against the lower portion 72 of the upper frame 70.

As shown in FIGS. 1, 5, and 8 to 10, the headrest clamping structure 1 includes a sliding member 10, which is an elongated body extending upward and downward, and a slider connection is provided at the upper end of the sliding member 10. The portion 11 is connected to the headrest 3. The front side 10a of the sliding member 10 is provided with a concave space 12, and one side wall of the concave space 12 (the right side wall shown in Figures 5, 8 to 10 but not limited thereto) The upper and lower first tooth rows 13 are provided for defining the movable distance of the headrest 3 when the upper and lower movements are adjusted (in the direction of the arrow A in FIGS. 2, 4, 10); wherein the sliding member 10 comprises Long straight body and long arc body are not limited.

As shown in FIGS. 5 and 8, the front seat portion 21 of the fixing member 20 further has a first sliding slot 23 facing the sliding member 10, and one side wall of the first sliding slot 23 (as shown in the right side of FIGS. 5 and 8). wall But not limited to) a button slot 24 is provided to correspond to the first tooth row 13 of the sliding member 10; wherein the fixing member 20 after the cover portion 22 further has a second sliding slot 25 facing the sliding member 10; The sliding member 10 is slidably disposed between the first sliding slot 23 of the front seat portion 21 and the second sliding slot 25 of the rear cover portion 22

As shown in FIGS. 5 and 8 to 10, the headrest clamping structure 1 includes a button member 30 that is elastically movably mounted on the button slot 24 of the fixing member 20. The button member 30 includes a pressing portion. 31 is protruded from the front portion 21 of the fixing member 20 for pressing; a convex portion 32 is integrally provided on one side of the pressing portion 31 and extends toward the button slot 24 of the fixing member 20; The button tooth row 33 is integrally disposed on one side of the male key portion 32 for correspondingly engaging (as shown in FIG. 9) or leaving (as shown in FIG. 10) the first tooth row 13 of the sliding member 10; and at least one The elastic portion 34 is for providing an elastic restoring force of the button member 30 after being pressed.

As shown by the direction of the arrow B in FIGS. 2, 4, and 10, when the button member 30 is pressed into the button slot 24 of the fixing member 20, the button tooth row 33 of the button member 30 is displaced to leave. The first tooth row 13 of the slider 10 enables the slider 10 to be vertically displaced relative to the fixing member 20 (as indicated by the arrow A direction in FIGS. 2, 4, and 10) to synchronously adjust the headrest 3 is in a downward position; when the slider 10 is adjusted to a new position and the pressing of the button member 30 is released, the button member 30 is reset by the elastic restoring force of the at least one elastic portion 34 (as shown in the figure). In the direction of arrow D in 1, 3, 9), the button tooth row 33 of the button member 30 is also reset and re-engaged in a new position on the first tooth row 13 of the slider 10, so that the slider 10 and The headrest 3 is positioned at the adjusted new position.

The elastic portion 34 includes at least one obliquely extending elastic leg 35, but is not limited. The elastic leg 35 is integrally formed on the pressing portion 31 and extends obliquely toward the button slot 24 of the fixing member 20 to The stopper portion 26 of the front seat portion 21 is stopped to form a pressing state as shown in FIG.

The front end of the convex key portion 32 of the button member 30 is further provided with a first spring fixing end 36, but is not limited, and a second spring fixing end 27 is disposed on the fixing member 20 to correspond to the first spring fixing end 36, A compression spring 37 is disposed between the first spring fixed end 36 and the second spring fixed end 27 to provide a return spring force of the button member 30 after being pressed.

A second row of teeth 14 is further provided on the opposite side of the first row of teeth 13 of the slider 10, but is not limited.

A gear groove 28 is further disposed in the first sliding slot 23 of the fixing member 20, but is not limited, and a damping gear 40 having a damping function is disposed in the gear groove 28, so that the sliding member 10 slides up and down. The tooth row 14 can simultaneously engage on the damper gear 40 and slide up and down in synchronization.

When the button member 30 is pressed toward the button slot 24 of the clamp-type fixing member 20 (as indicated by an arrow B in FIGS. 2, 4, 10), the at least one elastic portion 34 is compressed and deformed. The button tooth row 33 of the button member 30 is displaced away from the first tooth row 13 of the slider member 10. The slider member 10 can be vertically displaced relative to the fixing member 20 to synchronously adjust the headrest 3 Up and down position (as indicated by arrow A in Figures 2, 4, 10).

On the opposite side wall of the first tooth row 13 of the sliding member 10 (the left side wall shown in FIGS. 5, 8 to 10, but not limited), a second tooth row 14 is further disposed; wherein the fixing member 20 is A gear groove 28 is further disposed on the side wall of the first sliding groove 23 opposite to the button groove 24, but is not limited, and a damping gear 40 having a damped rotating function is disposed in the gear groove 28, and the sliding member 10 is provided. The second tooth row 14 is configured to be correspondingly engaged with the damper gear 40 (as shown in FIGS. 9 and 10), whereby the sliding member 10 slides up and down relative to the fixing member 20 (see FIGS. 2 and 4). , arrow A in 10 As shown, the second tooth row 14 of the slider 10 is engaged with the damper gear 40 and rotated (as indicated by the arrow C in FIG. 10), so that the slider 10 can slide up and down. Achieve stable, smooth damping and low noise.

The shape or size of the hook member 60 is not limited in the present invention, and it may be designed according to the shape or size of the seat back frame 2, which is advantageous for the headrest clamping structure 1 to be applied to different back frame 2 Therefore, compared with other prior art, it has the following advantages:

(1) The headrest clamping structure 1 of the present invention can be applied to different seat back frames 2, which is advantageous for the convenience of the sales end in the sale and the selection of the client.

(2) The headrest clamping structure 1 of the present invention can be applied to different seat back frames 2, which is advantageous in saving manufacturing cost and time cost of the manufacturing end.

The above is only the preferred embodiments of the present invention, and is intended to be illustrative, and not restrictive, and it is understood by those of ordinary skill in the art that Many changes, modifications, and even equivalents may be made without departing from the scope of the invention.

Claims (11)

The utility model relates to a general-purpose headrest clamping structure, which is used for clamping and fixing a headrest to an upper frame of a chair back frame of a chair, comprising: a fixing component, which is composed of a front seat part and a back cover The front portion of the front seat portion includes: an upper hook mounting portion is disposed on the upper portion of the front seat portion; a lower hook member mounting portion is disposed in the middle portion of the front seat portion; and a lower hook member chute is disposed in the front seat portion a lower portion; wherein the lower hook mounting portion is located on a top wall of the lower hook sliding groove; an upper hook member, which is an integrally formed body, comprising: an upper hook fixing portion; and at least one upper hook portion is The upper hook fixing portion protrudes forward and has a certain length and width, and the front end of the at least one upper hook portion is curved downwardly into a hook shape; and the lower hook member is an integrally molded body comprising: a base; At least the hook portion protrudes forwardly from the base and has a length and a width, and the at least one hook front end is curved upwardly in a hook shape; and a sliding portion is protruded rearward from the base; The upper hook member is fixed to the fixing member by the upper hook fixing portion In the hook mounting portion, the lower hook member is slidably disposed on the hook sliding groove of the fixing member by the sliding portion; wherein the fixing member is fastened to the chair by the upper hook member and the lower hook member On the upper frame of the back frame, at least one upper hook portion of the upper hook member is pressed against the upper portion of the upper frame, and the sliding portion of the lower hook member is slidably adjusted such that the at least one lower hook portion abuts against the upper frame The lower portion of the upper frame is further fixed to the lower hook mounting portion, whereby the fixing member and the headrest are fixed to the upper frame. The headrest clamping structure of claim 1, wherein the upper hook fixing portion is further provided with a screw hole; wherein the upper hook mounting portion is further provided with a screw hole, wherein the screw member passes through the upper hook member a screw hole of the fixing portion, and the upper hook fixing portion is locked on the screw hole of the upper hook mounting portion; wherein the sliding portion of the lower hook member is further provided with a screw hole; wherein the lower hook member mounting portion Further, a nut hole is formed for a nut insertion, wherein the sliding portion is locked to the nut in the lower hook mounting portion by a screwing member passing through the screw hole of the sliding portion. The headrest clamping structure of claim 1, wherein the bottom surface of the at least one upper hook portion of the upper hook member is further provided with a first anti-slip portion; wherein at least the top surface of the lower hook portion is further provided with a second surface Anti-slip part. The headrest clamping structure according to claim 1, wherein the headrest clamping structure comprises a sliding member, the sliding member is an elongated body extending upward and downward, and a headrest connecting portion is provided at an upper end of the sliding member. The front side of the sliding member is provided with a concave space, and one side wall of the concave space is provided with a first row of teeth facing up and down. The headrest clamping structure of claim 4, wherein the front seat portion of the fixing member further has a first sliding slot facing the sliding member, and a button slot is disposed on a side wall of the first sliding slot to correspond to the a first tooth row of the sliding member; wherein the fixing member further has a second sliding groove facing the sliding member; wherein the sliding member is vertically slidably disposed on the first sliding groove of the front seat portion and the Between the second chutes of the back cover portion. The headrest clamping structure of claim 5, wherein the headrest clamping structure comprises a button member elastically movably embedded on a button slot of the fixing member, the button member comprising: a pressing portion convex Exposed to the outside of the seat before being pressed for use; a convex key portion is integrally disposed on one side of the pressing portion and extends toward the button slot of the fixing member; a pair of up and down button tooth rows are integrally disposed on the convex portion One side of the key portion is provided with a first tooth row for correspondingly engaging or disengaging the sliding member; and at least one elastic portion is for providing an elastic restoring force of the button member after being pressed. The headrest clamping structure of claim 6, wherein when the button member is pressed into the button slot of the fixing member, the button tooth row of the button member is displaced to leave the first member of the slider a row of teeth for vertically displacing the slider relative to the fixing member to synchronously adjust a downward position of the headrest; wherein when the slider is adjusted to a new position and the pressing of the button member is released After being released, the button member is reset by the elastic restoring force of the at least one elastic portion, and the button tooth row of the button member is also reset and re-engaged on a new position of the first tooth row of the sliding member, so that the sliding The piece and the headrest are positioned in the adjusted new position. The headrest clamping structure of claim 6, wherein the elastic portion comprises at least one obliquely extending elastic leg, the elastic leg being integrally formed on the pressing portion and extending obliquely toward the button groove of the fixing member The stopper is stopped on the one of the front seat portions to form a pressing state. The headrest clamping structure of claim 6, wherein the front end of the convex portion of the button member is further provided with a first spring fixing end, and the fixing member is provided with a second spring fixing end to correspond to the first a spring fixed end, and a compression spring is disposed between the first spring fixed end and the second spring fixed end, thereby providing a return elastic force of the button member after being pressed. The headrest clamping structure of claim 4, wherein a second row of teeth is further disposed on the opposite side of the first row of teeth of the slider. The headrest clamping structure of claim 10, wherein a first gear groove of the fixing member is further provided with a gear groove, and a damping gear with damping function is arranged in the gear groove, so that the sliding member is up and down When sliding, the second tooth row can simultaneously engage on the damper gear and slide up and down synchronously.