CN220756965U - Ergonomic seat with adjustable headrest structure - Google Patents

Abstract

The utility model discloses an ergonomic chair with an adjustable headrest structure, and relates to the technical field of chairs. The utility model comprises a base; the upper part of the base is vertically fixed with a lifting air rod; the upper end of the lifting air rod is horizontally fixed with a seat plate; one edge of the seat board is connected with a backrest; armrests are arranged on two opposite sides of the backrest; the two armrests are respectively fixed at two opposite side edges of the seat plate; a pair of bearing bars are arranged side by side on one side of the backrest, which is close to the seat board; the upper ends of the two bearing strips are fixed at the upper edge of the backrest; the lower ends of the two bearing strips are fixed at the lower edge of the backrest; a headrest corresponding to the bearing strip is horizontally arranged above the seat board; the headrest is connected with the two bearing strips through the locating piece. The utility model has reasonable structural design and convenient use, and improves the use effect of the headrest.

Description

Ergonomic seat with adjustable headrest structure

Technical Field

The utility model belongs to the technical field of seats, and particularly relates to an ergonomic seat with an adjustable headrest structure.

Background

The ergonomic chair is designed to be elegant, unique, fashionable and light, and is a novel environment-friendly healthy chair which is widely applied to modern families, entertainment, internet bars, hotels, leisure, meeting rooms and office computer desks. In the prior art, because the seat board of the ergonomic chair is usually fixed in size, different users sit on the seat board of the ergonomic chair, the distance between the back of the user and the backrest of the ergonomic chair is different, and the backrest of the ergonomic chair can only be rotated and adjusted around the seat board, so the user can usually place a headrest on the ergonomic chair in order to ensure the comfort of sitting on the ergonomic chair, but in the using process of the headrest, the user can need to support different positions of the back by using the headrest, so the headrest can be suspended and clamped between the back of the user and the backrest of the ergonomic chair, but once the back of the user is far away from the backrest of the ergonomic chair, the headrest falls down under the action of gravity, so the position of the headrest needs to be adjusted again after the user leans on the backrest of the ergonomic chair again, the using of the headrest is troublesome, and the using effect of the user is affected. Therefore, an ergonomic chair with an adjustable headrest structure is desired to solve the above problems.

Disclosure of Invention

The utility model provides an ergonomic chair with an adjustable headrest structure, which aims to solve the technical problems in the background technology.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an ergonomic chair with an adjustable headrest structure, which comprises a base; a lifting air rod is vertically fixed at the upper part of the base; the upper end of the lifting air rod is horizontally fixed with a seat board; a backrest is connected to one edge of the seat board; armrests are arranged on two opposite sides of the backrest; the two armrests are respectively fixed at two opposite side edges of the seat plate; a pair of bearing bars are arranged on one side of the backrest close to the seat board side by side; the upper ends of the two bearing strips are fixed at the upper edge of the backrest; the lower ends of the two bearing strips are fixed at the lower edge of the backrest; a headrest corresponding to the bearing strip is horizontally arranged above the seat board; the back cushion is connected with the two bearing strips through a positioning piece; a plurality of accommodating holes are formed in parallel on one surface of each bearing strip along the length direction; the positioning piece is connected in the accommodating hole.

As a preferable technical scheme of the utility model, the containing hole is in a circular structure; the positioning piece comprises a pair of first supporting pieces which are fixed on one surface of the headrest side by side; a pair of rubber columns are fixed on one surface of each of the two first supporting sheets side by side; the two pairs of rubber columns are respectively inserted into any two adjacent containing holes on the two bearing strips; the outer Zhou Jun threads of the two pairs of rubber columns are matched with threaded sleeves; the swivel nut is arranged between the backrest and the bearing strip.

As a preferable technical scheme of the utility model, the containing hole is in a circular structure; the positioning piece comprises two pairs of first struts which are fixed on one surface of the headrest side by side; the two pairs of first struts are respectively inserted into any two adjacent containing holes on the two bearing strips; the two pairs of first struts are coaxially fixed with a second strut at one end far away from the headrest; the two pairs of second struts are connected with constraint ropes; one end parts of two restraint ropes corresponding to the same bearing strip are tied together.

As a preferable technical scheme of the utility model, the positioning piece comprises a pair of rubber strips which are distributed up and down; the middle parts of the two rubber strips are respectively connected to one surface of the headrest through a second supporting sheet; connecting sheets are arranged on two opposite sides of the two rubber strips; the two pairs of connecting sheets are respectively arranged at the opposite outer sides of the two bearing strips; one edge of each pair of connecting sheets is fixed on one surface of the headrest; two ends of the two pairs of rubber strips respectively penetrate through any two adjacent containing holes on the two bearing strips and are respectively inserted into the two pairs of connecting sheets; the two ends of the two pairs of rubber strips are in threaded fit with positioning sleeves; the positioning sleeve is arranged at one side of the connecting sheet far away from the bearing strip; limiting sleeves are fixedly sleeved on the peripheries of the two end parts of the two pairs of rubber strips; the limit sleeve is arranged between the connecting sheet and the bearing strip.

As a preferable technical scheme of the utility model, the accommodating hole is of a strip-shaped structure; the positioning piece comprises two rope belts which are respectively fixed on one surface of the headrest side by side; the two pairs of rope belts are respectively inserted into any two adjacent containing holes on the two bearing strips; the two rope belts at the same horizontal position are connected with one end far away from the headrest through the snap fastener.

The utility model has the following beneficial effects:

according to the utility model, the buttocks of a user are supported through the seat plate, the back of the user is utilized to support the back of the user, meanwhile, the supporting effect of the back of the user is further improved through the headrest, when the back of the user is required to be subjected to position adjustment to meet the requirement of supporting different positions of the back of the user, the locating piece is firstly detached from the bearing strip, and then is connected into the corresponding containing hole again according to the requirement of the user, so that the effective adjustment of the height of the headrest is realized, the problems that the back of the user is far away from the back and then falls down under the action of gravity in the prior art are avoided, the using effect of the headrest is effectively improved, and the back rest has the advantages of reasonable structural design, convenience in use and the like, and has higher market application value.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.

Fig. 2 is a schematic structural view of embodiment 2 of the present utility model.

Fig. 3 is a schematic structural view of a positioning member in embodiment 2 of the present utility model.

Fig. 4 is a schematic structural view of embodiment 3 of the present utility model.

Fig. 5 is a schematic structural diagram of a positioning member in embodiment 3 of the present utility model.

Fig. 6 is a schematic structural view of embodiment 4 of the present utility model.

Fig. 7 is a schematic structural diagram of a positioning member in embodiment 4 of the present utility model.

Fig. 8 is a schematic structural view of embodiment 5 of the present utility model.

Fig. 9 is a schematic structural view of a positioning member in embodiment 5 of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1-base, 2-lifting air bar, 3-seat board, 4-backrest, 5-armrest, 6-bearing bar, 7-headrest, 8-positioning piece, 601-holding hole, 801-first supporting piece, 802-rubber column, 803-screw sleeve, 804-first pillar, 805-second pillar, 806-restraint rope, 807-rubber bar, 808-second supporting piece, 809-connecting piece, 810-positioning sleeve, 811-spacing sleeve, 812-rope belt, 813-snap fastener.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1, the present utility model is an ergonomic chair with an adjustable headrest structure, comprising a base 1 as is conventional in the art; the upper part of the base 1 is vertically fixed with a lifting air rod 2 which is conventional in the art; the upper end of the lifting air rod 2 is horizontally fixed with a conventional seat board 3 in the field; one edge of the seat plate 3 is connected with a backrest 4 which is conventional in the art; opposite sides of the backrest 4 are provided with conventional armrests 5 of the art; the two armrests 5 are respectively fixed at two opposite side edges of the seat plate 3; a pair of bearing bars 6 are arranged side by side on one side of the backrest 4 close to the seat board 3; the bearing strip 6 is woven by nylon wires, the length of the bearing strip is slightly smaller than the height of the backrest 4, and the width of the bearing strip is about 5mm; the upper ends of the two bearing strips 6 are riveted at the upper edge of the backrest 4; the lower ends of the two bearing strips 6 are riveted at the lower edge of the backrest 4; a headrest 7 corresponding to the bearing strip 6 is horizontally arranged above the seat board 3; the headrest 7 is a conventional element in the art, and is made of pure cotton cloth into a saccular structure, and then down cotton is filled in the saccular structure; the headrest 7 is connected with the two bearing strips 6 through a positioning piece 8; a plurality of accommodating holes 601 are formed on one surface of each of the two bearing strips 6 in parallel along the length direction; the positioning member 8 is connected to the accommodating hole 601. When the back rest 7 is used, the buttocks of a user are supported through the seat plate 3, the back rest 4 is utilized to support the back of the user, the supporting effect on the back of the user is further improved through the back rest 7, when the back rest 7 is required to be subjected to position adjustment to meet the requirement of supporting different positions of the back of the user, the locating piece 8 is detached from the bearing strip 6, and then the locating piece 8 is connected in the corresponding accommodating hole 601 according to the requirement of the user, so that the effective adjustment on the height of the back rest 7 is realized, the problems that the back rest 7 falls down under the action of gravity after the back rest 4 is far away from the back rest 4 in the prior art are avoided, and the using effect of the back rest 7 is effectively improved.

Example 2: as shown in fig. 2 to 3 on the basis of embodiment 1, the receiving hole 601 has a circular structure; the positioning member 8 includes a pair of first support pieces 801 fixed side by side to one surface of the headrest 7; the first supporting piece 801 is a rubber piece, and the edge of the first supporting piece is sewn on one surface of the headrest 7; a pair of rubber columns 802 are welded on one surface of each of the two first support plates 801 side by side; two pairs of rubber columns 802 are respectively inserted into any two adjacent containing holes 601 on the two bearing strips 6; the rubber column 802 is in clearance fit with the accommodating hole 601; the outer Zhou Jun of the two pairs of rubber posts 802 are in threaded fit with a threaded sleeve 803 made of rubber; the threaded sleeve 803 is disposed between the backrest 4 and the carrier strip 6. When in use, the two pairs of rubber columns 802 are respectively inserted into any two adjacent containing holes 601 on the two bearing strips 6, and then the threaded sleeves 803 are in threaded fit on the periphery of the rubber columns 802, so that the headrest 7 is connected to the bearing strips 6, and the connection stability of the headrest 7 is effectively improved.

Example 3: as shown in fig. 4 to 5 on the basis of embodiment 1, the receiving hole 601 has a circular structure; the positioning member 8 comprises two pairs of first support posts 804 screwed on one surface of the headrest 7 side by side; the screw on the first support column 804 is inserted on the first support column 804 along the axial direction of the first support column 804, and the screw is arranged in the headrest 7; two pairs of first support posts 804 are respectively inserted into any two adjacent containing holes 601 on the two bearing strips 6; first leg 804 is in clearance fit with receiving aperture 601; a second strut 805 is coaxially welded to one end of each of the two pairs of first struts 804, which is far away from the headrest 7; the first strut 804 and the second strut 805 are both made of rubber; the diameter of second strut 805 is smaller than the diameter of first strut 804; constraint ropes 806 are fixedly connected to the two pairs of second struts 805; the restraining rope 806 is woven from nylon wire having a diameter slightly smaller than the diameter of the second leg 805; one end of the two restraining ropes 806 corresponding to the same carrier strip 6 are tied together. When in use, the first support column 804 is in clearance fit with the accommodating hole 601, and one end parts of the two constraint ropes 806 corresponding to the same bearing strip 6 are tied together, so that the headrest 7 is connected with the bearing strip 6, and the connection stability of the headrest 7 is effectively improved.

Example 4: as shown in fig. 6 to 7 on the basis of embodiment 1, the receiving hole 601 has a circular structure; the positioning member 8 includes a pair of rubber strips 807 arranged up and down; the middle parts of the two rubber strips 807 are respectively connected to one surface of the headrest 7 through a second supporting sheet 808; the second supporting piece 808 is woven by nylon wires, the second supporting piece 808 is wrapped on the periphery of the rubber strip 807, and the rubber strip 807 is connected with the second supporting piece 808 through glue; opposite sides of the second supporting piece 808 are sewn on one surface of the headrest 7; connecting pieces 809 are arranged on two opposite sides of the two rubber strips 807; the connecting piece 809 is woven by nylon wires; two pairs of connecting pieces 809 are respectively arranged on the opposite outer sides of the two bearing strips 6; one edge of each pair of connecting pieces 809 is sewn on one surface of the headrest 7; two ends of the two pairs of rubber strips 807 respectively pass through any two adjacent containing holes 601 on the two bearing strips 6 and are respectively inserted and arranged on the two pairs of connecting pieces 809; rubber strip 807 is in clearance fit with receiving hole 601 and connecting piece 809; positioning sleeves 810 are in threaded fit with both ends of the two pairs of rubber strips 807; the positioning sleeve 810 is arranged on one side of the connecting sheet 809 away from the bearing strip 6; limiting sleeves 811 are fixedly sleeved on the peripheries of the two end parts of the two pairs of rubber strips 807; the outer diameter of the limit sleeve 811 is smaller than the diameter of the accommodating hole 601; the stop collar 811 is arranged between the connecting piece 809 and the carrier strip 6. When in use, the two ends of the two pairs of rubber strips 807 respectively penetrate through any two adjacent containing holes 601 on the two bearing strips 6 and are respectively inserted and arranged on the two pairs of connecting pieces 809, and the two ends of the two pairs of rubber strips 807 are respectively in threaded fit with the positioning sleeve 810, so that the connecting pieces 809 are clamped between the positioning sleeve 810 and the limiting sleeve 811, the purpose that the headrest 7 is connected to the bearing strips 6 is achieved, and the connection stability of the headrest 7 is effectively improved.

Example 5: as shown in fig. 8 to 9 on the basis of embodiment 1, the accommodating hole 601 has a long strip structure; the positioning piece 8 comprises two pairs of rope belts 812 which are respectively sewn on one surface of the headrest 7 side by side; the rope 812 is woven by nylon wires; two pairs of rope belts 812 are respectively inserted into any two adjacent containing holes 601 on the two bearing strips 6; the rope 812 is in clearance fit with the accommodating hole 601; one ends of the two rope belts 812 at the same horizontal position, which are far away from the headrest 7, are connected through a primary and secondary buckle 813 which is conventional in the art; the snap 813 is clearance fit with the receiving hole 601. When in use, the two pairs of rope belts 812 are respectively inserted into any two adjacent containing holes 601 on the two bearing strips 6, and one ends of the two rope belts 812 at the same horizontal position far away from the headrest 7 are connected through the snap fastener 813, so that the headrest 7 is connected to the bearing strips 6, and the connection stability of the headrest 7 is effectively improved.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. An ergonomic chair with an adjustable headrest structure, comprising a base (1); an air lifting rod (2) is vertically fixed at the upper part of the base (1); the upper end of the lifting air rod (2) is horizontally fixed with a seat board (3); a backrest (4) is connected to one edge of the seat board (3); armrests (5) are arranged on two opposite sides of the backrest (4); the two armrests (5) are respectively fixed at two opposite side edges of the seat board (3); the method is characterized in that:

a pair of bearing strips (6) are arranged on one side of the backrest (4) close to the seat board (3) side by side; the upper ends of the two bearing strips (6) are fixed at the upper edge of the backrest (4); the lower ends of the two bearing strips (6) are fixed at the lower edge of the backrest (4); a headrest (7) corresponding to the bearing strip (6) is horizontally arranged above the seat board (3); the back cushion (7) is connected with the two bearing strips (6) through a positioning piece (8).

2. The ergonomic chair with adjustable headrest structure according to claim 1, characterized in that a surface of both said carrying bars (6) is provided with a plurality of receiving holes (601) side by side along the length direction; the positioning piece (8) is connected in the accommodating hole (601).

3. Ergonomic seat with adjustable headrest structure according to claim 2, characterized in that said receiving hole (601) has a circular structure; the positioning piece (8) comprises a pair of first supporting sheets (801) which are fixed on one surface of the headrest (7) side by side; a pair of rubber columns (802) are fixed on one surface of each of the two first supporting sheets (801) side by side; the two pairs of rubber columns (802) are respectively inserted into any two adjacent containing holes (601) on the two bearing strips (6); the outer Zhou Jun of the two pairs of rubber columns (802) is in threaded fit with a threaded sleeve (803); the screw sleeve (803) is arranged between the backrest (4) and the bearing strip (6).

4. Ergonomic seat with adjustable headrest structure according to claim 2, characterized in that said receiving hole (601) has a circular structure; the positioning piece (8) comprises two pairs of first support posts (804) which are fixed on one surface of the headrest (7) side by side; the two pairs of first support posts (804) are respectively inserted into any two adjacent containing holes (601) on the two bearing strips (6); the two pairs of first struts (804) are coaxially fixed with a second strut (805) at one end far away from the headrest (7); the two pairs of second struts (805) are connected with constraint ropes (806); one end of each of the two restraining ropes (806) corresponding to the same carrying bar (6) is tied together.

5. Ergonomic seat with adjustable headrest structure according to claim 2, characterized in that the positioning element (8) comprises a pair of rubber strips (807) distributed up and down; the middle parts of the two rubber strips (807) are respectively connected to one surface of the headrest (7) through a second supporting sheet (808); connecting sheets (809) are arranged on two opposite sides of the two rubber strips (807); the two pairs of connecting pieces (809) are respectively arranged at the opposite outer sides of the two bearing strips (6); one edge of each pair of connecting pieces (809) is fixed on one surface of the headrest (7); two ends of the two pairs of rubber strips (807) respectively penetrate through any two adjacent containing holes (601) on the two bearing strips (6) and are respectively inserted and arranged on the two pairs of connecting sheets (809); positioning sleeves (810) are in threaded fit with two ends of the two pairs of rubber strips (807); the locating sleeve (810) is arranged on one side of the connecting sheet (809) far away from the bearing strip (6).

6. The ergonomic chair with adjustable headrest structure of claim 5, wherein both end circumferences of both pairs of the rubber strips (807) are fixedly sleeved with a stop collar (811); the limit sleeve (811) is arranged between the connecting sheet (809) and the bearing strip (6).

7. The ergonomic chair with adjustable headrest structure of claim 2, wherein the receiving hole (601) has an elongated structure; the positioning piece (8) comprises two rope belts (812) which are respectively fixed on one surface of the headrest (7) side by side; the two pairs of rope belts (812) are respectively inserted into any two adjacent containing holes (601) on the two bearing strips (6); one ends of the two rope belts (812) which are positioned at the same horizontal position and far away from the headrest (7) are connected through a snap fastener (813).