TWM584755U - Chair back having adjustable head-rest - Google Patents

Abstract

A chair back with an adjustable headrest includes a cushion, at least one guide component and a pillow body. The guide component is provided on the cushion, and the guide component includes a guide chain and a guide member, and the guide chain extends up and down. The headrest is provided on the cushion, and the guide is slidably arranged on the guide chain. The pillow system is connected to the guide assembly. The opposite sides of the pillow body have a leaning surface and a connecting surface, respectively. At least one connector, the connector is connected to the guide of the guide assembly, so that the pillow body can be moved up and down relative to the cushion. The chair back of the creative headrest with adjustable headrest can be used to lean the head and back of the user, and It has the function of adjusting the height to meet different height requirements, and the friction force is greatly reduced through the setting of the guide chain, so that the user can easily adjust the height.

Description

Backrest with adjustable headrest

This creation is a chair back with an adjustable headrest, especially a chair back with an adjustable headrest that can be used by a user's head.

A common seat structure includes a cushion and a seat back. The seat back is provided on the rear side of the seat cushion. In order to make the user more comfortable when riding, a pillow is provided on the seat back for the user. The head rests, but the pillow of the seat structure is fixed on the seat back. When the user leans on the seat back, the user cannot adjust the height position of the pillow according to the height of the user. It cannot provide users with a better riding experience.

In order to allow the user to adjust the height of the pillow, part of the seat structure is a detachable design. The seat back and the pillow are respectively provided with a hook and loop assembly, so that the pillow of the seat can be freely adjusted according to the needs of the user. Adhere to the top of the seat.

However, when the method of bonding a seat back and a pillow with a hook and loop component is used, the user needs to detach the pillow from the back of the chair vigorously when adjusting the height, and then glue the pillow in an appropriate position, which has the disadvantage of being too laborious in operation. In order to improve the above-mentioned shortcomings in use, some people have proposed a stepless adjustable headrest as disclosed in the Republic of China Patent No. 530782. The stepless adjustable headrest includes a pillow body and at least one adjusting belt. The side is provided with at least one perforation, and the adjustment belt is inserted through the perforation. The stepless adjustable headrest can be fixed on the seat by making the adjustment belt opposite to the pillow body. The seat slides up and down for the user to adjust the height.

However, when the pillow body of the stepless adjustable headrest slides up and down with respect to the seat, a considerable frictional force is generated between the adjustment belt and the jacket, so that the adjustment belt may be caught in the perforation, causing the user It is inconvenient to adjust the height of the pillow body, so the existing height-adjustable headrest still needs to be improved.

The purpose of this creation is to provide a chair back with an adjustable headrest to solve the inconvenience of the user due to the excessive friction between the adjustment belt and the perforation when the existing adjustable height headrest slides up and down relative to the seat. The problem of height.

In order to achieve the purpose of the previous disclosure, the chair back with adjustable headrest of the present invention comprises: a cushion having a backrest portion and a headrest portion located on the backrest portion; at least one guide component, which is provided In the headrest portion of the cushion, the guide assembly includes a guide chain and at least one guide member, and the guide chain extends up and down on the headrest portion of the cushion, and the guide member is capable of up and down Slidingly disposed on the guide chain; and a pillow body connected to the guide assembly, the pillow body has a leaning surface and a connecting surface on opposite sides of the pillow body respectively, and the connecting surface is provided with at least one connection Piece, the connecting piece is connected to the guide piece of the guide assembly, so that the pillow body can move up and down relative to the cushion.

The pillow body of the chair back with adjustable headrest can be applied to various types of seats for the user's head and back to lean against, and is connected with the guide component on the cushion through the connecting piece, so that The height of the pillow body on the cushion can be adjusted according to different heights, and because the guide member slides on the guide chain, the friction force when the pillow body moves on the cushion can be greatly reduced, so that It is convenient for the user to adjust the height of the pillow body.

As shown in FIG. 1, the chair back of the present creative adjustable headrest includes a cushion 10, at least one guide assembly 20, and a pillow body 30.

As shown in FIG. 2, the back cushion 10 has a backrest portion 11 and a headrest portion 12 located on the backrest portion 11.

As shown in FIG. 3, the guide assembly 20 is disposed on the headrest portion 12 of the cushion 10. The guide assembly 20 includes a guide chain 21 and at least one guide 22. The guide chain 21 is The headrest portion 12 extends up and down, and the guide 21 is slidably arranged on the guide chain 21.

As shown in FIG. 4, the pillow body 30 is connected to the guide assembly 20. The opposite sides of the pillow body 30 respectively have a leaning surface 31 and a connecting surface 32. The connecting surface 32 is provided with at least one connecting member. 33. The connecting member 33 is connected to the guiding member 22 of the guiding assembly 20, so that the pillow body 30 can move up and down relative to the cushion 10.

In addition, the cushion 10 is provided with two guide assemblies 20, and the pillow body 30 is provided with two connecting members 33, and the connecting members 33 are spaced from the connecting surface 32 of the pillow body 30. Leading elements 20 are disposed at intervals on the headrest portion 12 and respectively correspond to the connecting members 22.

Wherein, the guide assembly 20 is provided with two of the guide members 22, and the pillow body 30 has two of the connecting members 33, and the connecting members 22 are arranged on the connecting surface 32 of the pillow body 30 at intervals. The connecting members 33 are respectively connected to the guide members 22.

In addition, the guide assembly 20 is provided with two guide members 22, and the pillow body 30 has a plurality of the connecting members 33, and the connecting members 22 are spaced from the connecting surface 32 of the pillow body 30. The connecting members 33 are respectively connected to the guide members 22. In addition, the connecting members 33 may be connected to the guide members 22 by using a strap.

As shown in FIG. 5 to FIG. 6, the chair back of the present creative adjustable headrest can be used by the user's head and back to rest, and the connecting member 33 and the guiding member on the guiding assembly 20 22 connection, the pillow body 30 can move up and down relative to the cushion 10, so that the user can freely adjust the height of the pillow body 30 on the cushion 10 according to his height, and because the pillow body 30 is passed through the guide assembly 20 The guide chain 21 moves, so the friction force when the user moves the pillow body 30 can be greatly reduced, and it is convenient for the user to adjust the height.

In addition, through the arrangement of the two guide assemblies 20 and the two guide members 22 on the guide assembly 20, when the pillow body 30 uses the two guide assemblies 20 to move up and down the cushion 10, an increase The stable effect improves the durability of the chair back with adjustable headrest, and reduces the vibration of the user's head when leaning against the pillow body 10, increasing the comfort of the user when riding.

In summary, the chair back with adjustable headrest of the present invention can be used for the user's head and back to rest, and is connected to the guide assembly 12 of the cushion 10 through the connecting member 33, so that the user can freely adjust the pillow The position of the body 30 on the cushion 10 enables the creation to meet the needs of users of different heights, and through the chain structure of the guide chain 21, the friction force when sliding up and down can be greatly reduced, which is convenient for the user to adjust height.

10‧‧‧ cushion

11‧‧‧backrest

12‧‧‧Headrest

20‧‧‧Guide components

21‧‧‧Guide Chain

22‧‧‧Guide

30‧‧‧ Pillow Body

31‧‧‧ leaning face

32‧‧‧Connecting surface

33‧‧‧Connector

Figure 1 is a perspective view of the back of the chair with an adjustable headrest. Figure 2 is a perspective view of the cushion of the back of the chair with an adjustable headrest. Figure 3 is a schematic perspective view of the back of the pillow body of the chair back with adjustable headrest of the present invention. Figure 4 is an exploded view of the back of the chair with an adjustable headrest. Figure 5 is a schematic diagram of the use state of the chair back with adjustable headrest. FIG. 6 is a partially enlarged schematic diagram of FIG. 5. FIG. 7 is a schematic side plan view of FIG. 6.

Claims (5)

A chair back with an adjustable headrest comprises: a back cushion having a backrest portion and a headrest portion located on the backrest portion; at least one guide component provided at the headrest portion of the backrest The guide assembly includes a guide chain and at least one guide member, the guide chain is extended up and down on the headrest portion of the cushion, and the guide member is slidably provided on the guide A chain; and a pillow body connected to the guide assembly, the pillow body has a leaning surface and a connecting surface on opposite sides of the pillow body, the connecting surface is provided with at least one connecting member, the connecting member is The guide member connected to the guide assembly enables the pillow body to move up and down relative to the cushion. The seat back with an adjustable headrest according to claim 1, wherein the cushion is provided with two of the guide components, and the pillow body is provided with two of the connecting members, and the connecting members are arranged at intervals. The guide surface of the pillow body is provided with the guide components spaced apart from the headrest portion and corresponding to the connecting pieces. The back of the chair with an adjustable headrest according to claim 1, wherein the guide assembly is provided with two guides, and the pillow body has two of the connecting members, and the connecting members are arranged at intervals. On the connecting surface of the pillow body, the connecting members are respectively connected to the guide members. The seat back with an adjustable headrest according to claim 2, wherein the guide assembly is provided with two guide members respectively, and the pillow body has a plurality of the connecting members, and the connecting members are spaced apart. It is arranged on the connecting surface of the pillow body, and the connecting members are respectively connected to the guide members. The seat back with an adjustable headrest according to any one of claims 1 to 4, wherein the connecting member is a drawstring.