CN223489391U - Tray - Google Patents

Abstract

The utility model provides a tray, which comprises a base used as a main body support, a seat connecting piece used for connecting a seat and a motion assembly for realizing swinging, wherein the seat connecting piece is connected to the base in a swinging way through the motion assembly, the motion assembly comprises a middle connecting piece, a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are arranged on the middle connecting piece, the first rotating shaft is arranged on the base along the left-right direction, so that the middle connecting piece can swing back and forth on the base, the second rotating shaft is arranged on the seat connecting piece along the front-back direction, so that the seat connecting piece can swing back and forth and left and right on the base, the multi-directional dynamic swinging of the seat is realized, the comfort is improved, the sitting posture of a human body is adapted to more, the problem of sitting is avoided, and the health sitting is realized.

Description

Tray

Technical Field

The utility model relates to the field of furniture, in particular to a tray.

Background

Seating is one of the most common furniture, and is accompanied by excessive time of day, particularly in offices, in which most of the time of day a user sits on the seat, however, people have more and more comfort and health problems due to sedentary sitting, sitting with the same posture for a long period of time in terms of comfort can feel tired, discomfort of cervical vertebrae and back, tingling of buttocks and legs, etc., discomfort is also a problem that is difficult to keep pleasant mood and concentration of work, and long-term sitting with the same posture can cause compression of lumbar vertebrae and legs, and further cause increased incidence of diseases such as lumbar spondylosis.

People find that fatigue can be relieved after sitting for a long time, and when sitting, the change of sitting posture can also effectively eliminate fatigue and reduce the harm brought by sitting for a long time, so how to realize higher flexibility of changing sitting posture and more comfort during changing is a key for solving the problems and realizing more comfortable and healthy sitting.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a tray, which comprises a base used as a main body for supporting, a seat connecting piece used for connecting a seat and a movement assembly for realizing swinging, wherein the seat connecting piece is connected to the base in a swinging way through the movement assembly, the movement assembly comprises a middle connecting piece, a first rotating shaft and a second rotating shaft which are arranged on the middle connecting piece, the first rotating shaft is arranged on the base along the left-right direction, so that the middle connecting piece can swing back and forth on the base, the second rotating shaft is arranged on the seat connecting piece along the front-back direction, so that the seat connecting piece can swing back and forth on the base, the multi-directional dynamic swinging of the seat is realized, the comfort is improved, the tray is suitable for more sitting postures, the problem of sitting for a long time is avoided, the middle connecting piece is also provided with an elastic buffer piece between the seat connecting pieces, and the comfort is further increased.

The technical scheme of the utility model is realized as follows:

The tray comprises a base, a seat connecting piece and a moving assembly, wherein the base is configured to be supported by a main body, the seat connecting piece is configured to be connected with a seat of a seat, the seat connecting piece is connected to the base through the moving assembly, the moving assembly is configured to enable the seat connecting piece to swing back and forth and left and right and is arranged on the base, the moving assembly comprises a first rotating shaft, a second rotating shaft and an intermediate connecting piece, the first rotating shaft and the second rotating shaft are inserted on the intermediate connecting piece, the first rotating shaft is arranged in the left-right direction, the second rotating shaft is arranged in the front-back direction, the intermediate connecting piece is connected with the base in a rotating mode through the first rotating shaft, the seat connecting piece is connected with the intermediate connecting piece in a rotating mode through the second rotating shaft, and an elastic buffer piece is arranged between the intermediate connecting piece and is configured to provide swing buffering and resetting force for the seat connecting piece.

The base is used for connecting an air rod of a chair, the base is kept static in the chassis device and can serve as a main body support of the base connecting piece in a multidirectional mode, the motion assembly enables the base connecting piece to swing in a multidirectional mode on the base, the middle connecting piece can swing back and forth on the base after being rotatably arranged on the base through a first rotating shaft, the base connecting piece can swing left and right on the middle connecting piece after being rotatably arranged on the middle connecting piece through a second rotating shaft, and therefore the base connecting piece and a chair seat connected to the base can swing back and forth on the base. The elastic buffer member can provide buffer to increase comfort when the seat connecting member swings left and right, and can keep the seat connecting member horizontal under the condition that the seat connecting member is not stressed or stressed in a balanced manner left and right.

Preferably, the elastic buffer members are springs, at least two springs are arranged, and the springs are symmetrically distributed on two sides of the second rotating shaft. In addition, springs can be arranged between the middle connecting piece and the base, and the front part and the rear part of the middle connecting piece and the base are respectively provided with one spring, so that the front and rear swinging also has elastic buffering and restoring force.

Preferably, the device further comprises an operating rod, the operating rod is inserted on the base and the middle connecting piece along the left-right direction, the operating rod is located beside the first rotating shaft, the operating rod comprises a locking part and a handle, the locking part and the handle are respectively arranged at two ends of the operating rod, a locking hole is formed in the base, the operating rod is arranged on the base in a sliding mode, the locking part and the locking hole are configured to enable the middle connecting piece to swing relative to the base when the operating rod slides to enable the locking part to leave the locking hole, and the middle connecting piece and the base keep relatively static when the operating rod slides to enable the locking part to enter the locking hole. The pull type operating rod is convenient for a user to operate, and the movement of the operating rod can lock and unlock the front-back swing of the middle connecting piece.

Preferably, the base is provided with an avoidance groove at the end part close to the handle, and the avoidance groove is configured to avoid the operation rod when the middle connecting piece swings on the base.

Preferably, the device further comprises an operating rod, wherein the operating rod is inserted on the base and the middle connecting piece along the left-right direction, and the operating rod is the first rotating shaft. In this scheme, the intermediate connection piece is direct to rotate around the action bars, saves first pivot and sets up the cost in above-mentioned dodging the groove.

Preferably, the middle connecting piece is provided with a shaft hole for inserting the operating rod, the shaft hole is outwards extended to form a locking groove, the operating rod is convexly provided with a locking lug, the operating rod is in sliding connection with the middle connecting piece and the base, the locking groove and the locking lug are configured in such a way that when the operating rod slides to enable the locking lug to be inserted into the locking groove, the middle connecting piece and the base are kept relatively static, and when the operating rod slides to enable the locking lug to leave the locking groove, the middle connecting piece can swing relative to the base. The base is also provided with jacks for inserting the operation rod, the jacks are also provided with locking grooves, after the locking convex blocks enter the two locking grooves, the middle connecting piece cannot swing back and forth corresponding to the base, and the operation rod is always arranged on the base and the middle connecting piece in a penetrating mode through the scheme, namely, two end portions of the operation rod are always protruded out of the chassis device, so that the connection stability of the operation rod in the chassis device can be guaranteed, and the operation rod is not easy to break away.

Preferably, the middle connecting piece is arranged in the base, an avoidance hole for avoiding the gas rod is formed in the bottom of the middle connecting piece, and the length of the avoidance hole in the front-rear direction is larger than the diameter of the gas rod. The avoidance hole enables the middle connecting piece to avoid the gas rod during movement when the volume is large, so that the gas rod can swing back and forth smoothly, the middle connecting piece is large in volume and high in stability, and the middle connecting piece can be a block-shaped part with small volume, and is simple in structure and low in cost.

Preferably, the bottom of the base is provided with a sleeve for sleeving the air rod, the sleeve protrudes upwards into the base and enters the avoidance hole, and the length of the avoidance hole in the front-rear direction is larger than the outer diameter of the sleeve. The gas pole is inserted and is established in the sleeve, makes the connection more stable, and when the swing of intermediate junction spare front and back, the sleeve on the base is motionless, consequently need dodge the hole and dodge the sleeve, makes the swing of intermediate junction spare have the space.

Preferably, the seat connecting piece comprises at least two connecting lugs protruding downwards, the two connecting lugs are arranged at intervals front and back, and the second rotating shaft is inserted into the two connecting lugs. The seat connecting piece can be a plate, and only the connecting lugs are arranged below and are rotationally connected with the middle connecting piece, so that the structure is simple, and the cost is low.

Preferably, the two second rotating shafts are respectively arranged at the front end and the rear end of the middle connecting piece in a protruding mode, and the two second rotating shafts are coaxial and are arranged at intervals. The interval of two second pivots can just in time dodge the gas pole to can reduce the thickness of chassis, make whole thinner, the seat is less from the distance of chassis bottom surface, thereby reduces the minimum height of seat, and the comfort level is higher, if the minimum height of seat is too high, the seat front end is pressed against the thigh easily when the seat leans back, thereby reduces the travelling comfort.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

The base is used for connecting an air rod of a chair, the base is kept static in the chassis device and can serve as a main body support of the base connecting piece in a multidirectional mode, the motion assembly enables the base connecting piece to swing in a multidirectional mode on the base, the middle connecting piece can swing back and forth on the base after being rotatably arranged on the base through a first rotating shaft, the base connecting piece can swing left and right on the middle connecting piece after being rotatably arranged on the middle connecting piece through a second rotating shaft, and therefore the base connecting piece and a chair seat connected to the base can swing back and forth on the base. The elastic buffer member can provide buffer to increase comfort when the seat connecting member swings left and right, and can keep the seat connecting member horizontal under the condition that the seat connecting member is not stressed or stressed in a balanced manner left and right.

Drawings

Fig. 1 is a schematic perspective view of a tray in embodiment 1 according to the present utility model;

fig. 2 is a schematic perspective view of a tray in embodiment 1 according to the present utility model;

FIG. 3 is an exploded view of the tray in example 1 of the present utility model;

Fig. 4 is a schematic perspective view of the base in embodiment 1 of the present utility model;

FIG. 5 is a schematic perspective view of the motion assembly of the embodiment 1 of the present utility model;

Fig. 6 is a schematic perspective view of a seat connector in embodiment 1 of the present utility model;

fig. 7 is an exploded view of the tray in example 2 of the present utility model.

The device comprises a base 1, a seat connecting piece 2, an intermediate connecting piece 3, a first rotating shaft 4, a second rotating shaft 5, a spring 6, a sleeve 7, a avoidance hole 8, a connecting lug 9, an operating rod 10, a locking part 101, a locking hole 11, a avoidance groove 12, a shaft hole 13, a locking groove 14, a locking lug 15 and a jack 16.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiments of the present utility model are as follows:

examples

As shown in fig. 1 to 3, the utility model provides a tray, which comprises a base 1, a seat connecting piece 2 and a moving assembly, wherein the base 1 is configured to be supported by a main body, the seat connecting piece 2 is configured to be connected with a seat of a seat, the seat connecting piece 2 is connected to the base 1 through the moving assembly, the moving assembly is configured to enable the seat connecting piece 2 to swing back and forth and left and right and is arranged on the base 1, the moving assembly comprises a first rotating shaft 4, a second rotating shaft 5 and a middle connecting piece 3, the first rotating shaft 4 and the second rotating shaft 5 are respectively inserted on the middle connecting piece 3, the first rotating shaft 4 is arranged in the left-right direction, the second rotating shaft 5 is arranged in the front-back direction, the middle connecting piece 3 is rotatably connected with the base 1 through the first rotating shaft 4, the seat connecting piece 2 is rotatably connected with the middle connecting piece 3 through the second rotating shaft 5, an elastic buffer piece is arranged between the middle connecting piece 3 and the seat connecting piece 2, and the elastic buffer piece is configured to provide swing buffering and reset force for the seat connecting piece 2.

The base 1 is used for connecting an air rod of a chair, is kept static in a chassis device and can serve as a main body support of the seat connecting piece 2 for swinging in multiple directions, the seat connecting piece 2 can swing in multiple directions on the base 1 by a motion assembly, after the middle connecting piece 3 is rotatably arranged on the base 1 through the first rotating shaft 4, the middle connecting piece 3 can swing back and forth on the base 1, after the seat connecting piece 2 is rotatably arranged on the middle connecting piece 3 through the second rotating shaft 5, the seat connecting piece 2 can swing left and right on the middle connecting piece 3, and therefore the seat connecting piece 2 and a seat connected to the seat connecting piece can swing back and forth on the base 1.

The elastic cushion can provide cushion to increase comfort when the seat connector 2 swings left and right, and can keep the seat connector 2 horizontal without the seat connector 2 being stressed or balanced left and right.

Specifically, as shown in fig. 2-5, the first rotating shaft 4 penetrates through the base 1 and the middle connecting piece 3 from left to right, the base 1 is an upward opened shell, the middle connecting piece 3 is also a shell and is located in the base 1, a sleeve 7 for sleeving an air rod is arranged at the bottom of the base 1, the sleeve 7 protrudes upwards into the base 1, a avoiding hole 8 for avoiding the air rod and the sleeve 7 is formed in the bottom of the middle connecting piece 3, the sleeve 7 enters the avoiding hole 8, the length of the avoiding hole 8 in the front-back direction is larger than the diameter of the air rod and is also larger than the outer diameter of the sleeve 7, so that a space for the middle connecting piece 3 to swing forwards and backwards is provided, the air rod is inserted into the sleeve 7, connection is stable, and the sleeve 7 on the base 1 is fixed during the front-back swing of the middle connecting piece 3, so that the avoiding hole 8 is required to avoid the air rod and the sleeve 7, and the swing of the middle connecting piece 3 has a space, and the swing forwards and backwards smoothly swings. In this scheme, intermediate connector 3 is the casing, and its volume is great, and connection stability is higher, and in addition, intermediate connector 3 also can be the cubic part that the volume is less, simple structure, and the cost is lower.

As shown in fig. 6, the seat connecting piece 2 includes at least two connecting lugs 9 protruding downward, in this embodiment, four connecting lugs 9 are shared, the connecting lugs 9 are arranged in a front-back interval mode, two groups of connecting lugs 9 are respectively located at the front end portion and the rear end portion of the middle connecting piece 3, the second rotating shaft 5 is inserted into the two groups of connecting lugs 9, the seat connecting piece 2 is a plate, and only the connecting lugs 9 are arranged below to be connected with the middle connecting piece 3 in a rotating mode, so that the structure is simple and the cost is low.

The intermediate connection member 3 is arranged in the base 1 in a emptied manner, i.e. in a vertical direction, with a gap between the base 1 and the intermediate connection member 3, so that the oscillation of the intermediate connection member 3 on the base 1 has room, and likewise, with a gap between the seat connection member 2 and the intermediate connection member 3, so that the oscillation of the seat connection member 2 on the intermediate connection member 3 has room.

Further, as shown in fig. 3 and 5, the elastic buffer members are springs 6, at least two springs 6 are provided, and the springs 6 are symmetrically distributed on two sides of the second rotating shaft 5, the number of the springs 6 on two sides of the second rotating shaft 5 is the same for maintaining balance of force, in this embodiment, two springs 6 are provided on two sides of the second rotating shaft 5, in addition, a spring (not shown) can be provided between the middle connecting member 3 and the base 1, and a spring is provided on each of the front and rear positions of the middle connecting member 3 and the base, so that the front and rear swing also has elastic buffer and restoring force, and other similar chassis are difficult to realize the front and rear swing arrangement of the springs.

The two second rotating shafts 5 are respectively arranged at the front end and the rear end of the middle connecting piece 3 in a protruding mode, the two second rotating shafts 5 are coaxial and are arranged at intervals, the interval between the two second rotating shafts 5 can just avoid an air rod, so that the thickness of the chassis can be reduced, the whole body is thinner, the distance between the seat surface and the bottom surface of the chassis is smaller, the lowest height of the seat surface is reduced, the comfort level is higher, and if the lowest height of the seat surface is too high, the front end of the seat is easy to press against the thigh when the seat is inclined backwards, so that the comfort level is reduced.

As shown in fig. 1-4, the device further comprises an operation rod 10, the operation rod 10 is inserted on the base 1 and the middle connecting piece 3 along the left-right direction, the operation rod 10 is located beside the first rotating shaft 4, the operation rod 10 comprises a locking part 101 and a handle (not shown), the locking part 101 and the handle are respectively two end parts of the operation rod 10, the base 1 is provided with a locking hole 11, the operation rod 10 is arranged on the base 1 in a left-right sliding mode, the locking part 101 and the locking hole 11 are configured to enable the middle connecting piece 3 to swing relative to the base 1 when the operation rod 10 slides to enable the locking part 101 to leave the locking hole 11, the middle connecting piece 3 and the base 1 to keep relatively static when the operation rod 10 slides to enable the locking part 101 to enter the locking hole 11, the operation rod 10 is convenient for a user to operate, the movement of the operation rod 10 can achieve locking and unlocking of the middle connecting piece 3 in a front-back swinging mode, the base 1 is provided with a dodging groove 12 at the end part close to the handle, the dodging groove 12 is configured to enable the middle connecting piece 3 to swing on the base 1, the dodging groove 12 can also be used for controlling the lifting of the operation rod 10.

Embodiment 2 this embodiment differs from embodiment 1 only in that the first shaft 4 is part of the operating lever 10. Specifically:

As shown in fig. 7, the operating rod 10 is inserted on the base 1 and the intermediate connecting member 3 along the left-right direction, and the operating rod 10 is the first rotating shaft 4, in the scheme, the intermediate connecting member 3 directly rotates around the operating rod 10, so that the cost of the first rotating shaft 4 and the avoiding groove 12 is saved, the intermediate connecting member 3 is provided with a shaft hole 13 for inserting the operating rod 10, the shaft hole 13 is outwards extended with a locking groove 14, the operating rod 10 is convexly provided with a locking lug 15, the locking lug 15 is positioned in the middle of the operating rod 10 to be close to the base 1 and the intermediate connecting member 3, the operating rod 10 is in sliding connection with the intermediate connecting member 3 and the base 1, the locking groove 14 and the locking lug 15 are configured to be relatively static with each other when the operating rod 10 slides to enable the locking lug 15 to be inserted into the locking groove 14, the intermediate connecting member 3 can swing relative to the base 1 when the operating rod 10 slides to enable the locking lug 15 to be separated from the locking groove 14, the base 1 is provided with a jack 16 for inserting the operating rod 10, the locking lug 14 is also provided on the jack 16, the base 1 is easy to be connected with the base 1, after the two locking lugs 15 enter the locking lug 15 and the base 1, and the base 1 can not always be connected with the base 1, and the base 1 can not be connected with the base 1, so that the base 1 can always be kept quite stable.

Claims (8)

1. The tray is characterized by comprising a base, a seat connecting piece and a moving assembly, wherein the base is configured to be supported by a main body, the seat connecting piece is configured to be connected with a seat of a seat, the seat connecting piece is connected to the base through the moving assembly, the moving assembly is configured to enable the seat connecting piece to swing back and forth and left and right and is arranged on the base, the moving assembly comprises a first rotating shaft, a second rotating shaft and a middle connecting piece, the first rotating shaft and the second rotating shaft are both inserted on the middle connecting piece, the first rotating shaft is arranged in the left-right direction, the second rotating shaft is arranged in the front-back direction, the middle connecting piece is rotatably connected with the base through the first rotating shaft, the seat connecting piece is rotatably connected with the middle connecting piece through the second rotating shaft, an elastic buffer piece is arranged between the middle connecting piece and the seat connecting piece, the elastic buffer piece is configured to provide swing buffering and resetting force for the seat connecting piece, the middle connecting piece is arranged in the base, the bottom of the middle connecting piece is provided with a avoidance hole used for avoiding the air rod, the length of the front-back direction of the avoidance hole is larger than the diameter of the air rod, the bottom of the base is provided with a sleeve used for sleeving the air rod, the sleeve is protruded upwards inside the base and enters the avoidance hole, and the front-back direction of the avoidance hole is larger than the outer diameter of the sleeve.

2. The tray of claim 1, wherein the elastic buffer members are springs, at least two springs are arranged, and the springs are symmetrically distributed on two sides of the second rotating shaft.

3. The tray of claim 1, further comprising an operation lever inserted in the left-right direction on the base and the intermediate connection member, the operation lever being located beside the first rotation shaft, the operation lever including a locking portion and a handle, the locking portion and the handle being two end portions of the operation lever, respectively, the base being provided with a locking hole, the operation lever being slidably disposed in the base in the left-right direction, the locking portion and the locking hole being configured such that the intermediate connection member can swing with respect to the base when the operation lever is slid to leave the locking portion from the locking hole, and the intermediate connection member and the base being held relatively stationary when the operation lever is slid to enter the locking hole.

4. The tray of claim 3, wherein the base has a relief groove formed in an end portion thereof adjacent to the handle, the relief groove being configured to relieve the lever when the intermediate connecting member swings on the base.

5. The tray of claim 1, further comprising an operating lever inserted in the left-right direction on the base and the intermediate connection member, the operating lever being the first rotation shaft.

6. The tray according to claim 5, wherein the intermediate connecting member is provided with a shaft hole for inserting the operating lever, the shaft hole is provided with a locking groove extending outwards, the operating lever is provided with a locking lug in a protruding manner, the operating lever is slidably connected with the intermediate connecting member and the base, the locking groove and the locking lug are configured such that when the operating lever slides to enable the locking lug to be inserted into the locking groove, the intermediate connecting member and the base are kept relatively stationary, and when the operating lever slides to enable the locking lug to leave the locking groove, the intermediate connecting member can swing relative to the base.

7. The tray of claim 1, wherein the seat connector comprises at least two downwardly projecting lugs spaced apart from each other, and the second shaft is inserted into the lugs.

8. The tray of claim 1, wherein the number of the second rotating shafts is two, the two second rotating shafts are respectively arranged at the front end and the rear end of the middle connecting piece in a protruding mode, and the two second rotating shafts are coaxial and are arranged at intervals.