CN114027660A

CN114027660A - Turnover mechanism and seat

Info

Publication number: CN114027660A
Application number: CN202111442825.5A
Authority: CN
Inventors: 徐耀平
Original assignee: Hangzhou Hengfeng Furniture Co ltd
Current assignee: Hangzhou Hengfeng Furniture Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-02-11
Anticipated expiration: 2041-11-30
Also published as: CN114027660B

Abstract

Tilting mechanism and seat belong to tilting mechanism technical field, tilting mechanism, including roof, fixed subassembly and upset subassembly, the roof is connected fixed subassembly, the roof is connected the upset subassembly, fixed subassembly is including fixed horizontal pole and fixed stop, fixed stop with fixed horizontal pole is connected, fixed horizontal pole is connected the roof, the upset subassembly is including upset cross axle and returning face plate, the upset cross axle is connected the roof. The chair comprises the turnover mechanism, a chair back, a chair seat, armrests and a support, wherein the chair back is connected with the chair seat, and the chair seat is connected with the support. The chair back is arranged in a forward tilting mode during storage, so that the chair has a good dustproof and anti-splashing effect; the limiting groove is matched with the fixing bolt, so that the structure is simple and the matching is firm.

Description

Turnover mechanism and seat

Technical Field

The invention belongs to the field of turnover mechanisms, and particularly relates to a turnover mechanism and a seat.

Background

In places such as meeting rooms and report halls, the number of people that can be accommodated is small if conventional chairs and chairs are used because of the limited size of the place, and it is inconvenient to write records if only conventional chairs are used, and the conventional chairs occupy a large space when being stored.

For a common turnover chair, the chair seat is generally folded and stored by upwards turning the chair seat, and if the chair seat is only turned upwards, the cushion is generally easy to accumulate dust and dust. And because the seat upwards overturns, take up more space after accomodating, the length of the space of accomodating that each chair takes up is the thickness of back and the thickness of seat at least.

Disclosure of Invention

The invention aims to provide a turnover mechanism and a seat, wherein the seat is turned downwards to reduce dust accumulation.

In order to solve the technical problems, the specific technical scheme of the invention is as follows:

the utility model provides a turnover mechanism, includes roof, fixed subassembly and upset subassembly, the roof is connected fixed subassembly, the roof is connected the upset subassembly, fixed subassembly includes fixed horizontal pole and fixed stop, fixed stop with fixed horizontal pole is connected, fixed horizontal pole is connected the roof, the upset subassembly is including upset cross axle and returning face plate, the upset cross axle is connected the roof, still be equipped with on the roof with the fixed stop complex dodges the hole, the position department of dodging the hole still is equipped with spacing recess, the last gim peg that still is connected with of fixed stop, spacing recess with the gim peg cooperation.

Further, still be equipped with the locating part on the roof, be equipped with spacing fitting piece on the fixed subassembly, spacing fitting piece with the locating part cooperation.

Further, a cross rod hole is formed in the top plate and matched with the fixed cross rod, and the fixed cross rod is connected with the top plate through the cross rod hole.

Further, a cross shaft hole matched with the overturning cross shaft is further formed in the top plate, and the overturning cross shaft is connected with the top plate through the cross shaft hole.

Further, be equipped with horizontal shaft hole on the returning face plate, horizontal shaft hole with the cooperation of upset cross axle, the upset cross axle passes through the cross axle jogged joint the returning face plate.

Furthermore, the turnover transverse rod is provided with a turnover lug, and the turnover lug is at least arranged at one end of the turnover transverse shaft.

Further, the top plate is movably connected with the overturning assembly, and the top plate is movably connected with the fixing assembly.

Furthermore, at least one fixed baffle is arranged in the fixed assembly, the fixed cross rod is connected with the fixed baffle through a fastener, and the turnover plate is also connected with the turnover cross shaft through the fastener.

The seat comprises a turnover mechanism, a seat back, a seat support, handrails and a support, wherein the seat back is connected with the seat support, the seat support is connected with the turnover mechanism, the turnover mechanism is connected with the support, the support comprises a left support and a right support, the left support and the right support are respectively arranged at two ends of the turnover mechanism, the support is connected with the handrails, the handrails are at least provided with one, and the seat back and the seat support are downwards overturned.

Further, the turnover mechanism is the turnover mechanism, and the seat further comprises a rotating table plate, wherein the rotating table plate is connected with the support or the armrest.

Further, the rotating table plate comprises a fixing assembly and a first rotating assembly, the fixing assembly is connected with the first rotating assembly, the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is connected with the second fixing piece, the first rotating assembly comprises a first rotating piece and a second rotating piece, the first rotating piece is connected with the second rotating piece, the first fixing piece is connected with the second rotating piece, and a reset spring is arranged between the second rotating piece and the second fixing piece.

Further, the rotating table plate further comprises a second rotating assembly, the second rotating assembly is connected with the first rotating assembly, the second rotating assembly comprises a bearing plate and a third rotating member, the bearing plate is connected with the first rotating member, the third rotating member is connected with the first rotating member, a rotating limiting block is arranged on the bearing plate, and a third rotating member is also provided with a rotating limiting structure matched with the rotating limiting block.

The invention has the following advantages: the chair back is arranged in a forward tilting mode during storage, so that the chair has a good dustproof and anti-splashing effect; the limiting groove is matched with the fixing bolt, so that the structure is simple and the matching is firm.

Drawings

FIG. 1 is a schematic structural diagram of a turnover mechanism;

FIG. 2 is a schematic structural view of the top plate;

FIG. 3 is a schematic structural view of a fixing assembly;

FIG. 4 is a schematic structural view of the flip assembly;

FIG. 5 is a schematic view showing the connection between the turnover assembly and the fixing assembly in the storage state;

FIG. 6 is a schematic view showing the connection between the flip assembly and the fixing assembly in a use state;

FIG. 7 is a bottom structural view of the seat;

FIG. 8 is a top view of the seat construction;

fig. 9 is a schematic structural view of the rotating table.

The notation in the figure is: 1. a top plate; 11. a limiting member; 12. a rotating pad; 13. a limiting groove; 21. fixing the cross bar; 22. fixing a baffle plate; 23. a fixing bolt; 31. turning over the cross shaft; 32. a turnover plate; 33. turning over the pad; 34. turning over the bump; 35. a torsion spring; 36. turning over handshake; 41. a housing; 42. a chair back; 43. a chair seat; 44. a handrail; 45. a support; 51. a first fixing part; 52. a second fixing part; 53. a first rotating part; 54. a second rotating part; 55. a return spring; 56. a support plate; 57. and a third rotating part.

Detailed Description

For a better understanding of the objects, structure and function of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

A turnover mechanism is shown in fig. 1 and comprises a top plate 1, a fixing assembly and a turnover assembly, wherein the top plate 1 is connected with the fixing assembly, and the top plate 1 is connected with the turnover assembly.

Fixed subassembly includes fixed horizontal pole 21 and fixed stop 22, fixed stop 22 with fixed horizontal pole 21 is connected, in this embodiment, is equipped with two fixed stop 22 in the fixed subassembly, fixed stop 22 sets up the both ends of fixed horizontal pole 21, be equipped with the through-hole on the fixed horizontal pole 21, be equipped with the complex through-hole on the fixed stop 22, fixed horizontal pole 21 with fixed stop 22's connected mode is the fastener connection.

The upset subassembly is including upset cross axle 31 and returning face plate 32, upset cross axle 31 is connected returning face plate 32, the both ends of returning face plate 32 are equipped with the cross axle hole, the cross axle hole with upset cross axle 31 cooperates, upset cross axle 31 passes through the cross axle hole runs through returning face plate 32, still be equipped with upset pad 33 on returning face plate 32, upset pad 33 with upset cross axle 31 cooperates, upset pad 33 sets up cross axle hole position department, upset pad 33 can reduce upset cross axle 31 with returning face plate 32's friction loss makes upset cross axle 31 with returning face plate 32's connection is more inseparable to can make the rotation of trip lever more be in the same direction as smooth silence.

The connection mode of the turnover plate 32 and the turnover transverse shaft 31 is fixed connection, a through hole is arranged on the turnover plate 32, a matched through hole is arranged on the turnover transverse shaft 31, and the turnover plate 32 is fixed on the turnover transverse shaft 31 through a fastener.

The cross-section of roof 1 is "[" shape, the both sides of roof 1 are equipped with the horizontal pole hole, the horizontal pole hole with fixed horizontal pole 21 cooperation, fixed horizontal pole 21 passes through the horizontal pole hole runs through roof 1, roof 1 with fixed horizontal pole 21 swing joint, still be equipped with rotatory pad 12 on the roof 1, rotatory pad 12 with fixed horizontal pole 21 cooperation, rotatory pad 12 sets up horizontal pole hole position department, rotatory pad 12 can reduce fixed horizontal pole 21 with the friction loss of roof 1 makes fixed horizontal pole 21 with the connection of roof 1 is more inseparable, and can make the rotation of fixed horizontal pole 21 is more for the smooth silence.

Roof 1 with upset subassembly swing joint, still be equipped with on the roof 1 with upset cross axle 31 complex horizontal shaft hole, the horizontal shaft hole sets up at least one side of roof 1, upset cross axle 31 passes through horizontal shaft hole runs through roof 1. The turnover cross rod is provided with a turnover lug 34, the turnover lug 34 is at least arranged at one end of the turnover cross shaft 31, and the turnover lug 34 is connected with a turnover handle 36. The turnover transverse shaft 31 is further provided with a torsion spring 35, the torsion spring 35 is sleeved on the turnover transverse shaft 31, one end of the torsion spring 35 is arranged above the turnover plate 32, and the other end of the torsion spring 35 is arranged below the top plate 1.

Still be connected with gim peg 23 on the fixed stop 22, fixed stop 22 and gim peg 23 fixed connection, be equipped with the through-hole on the fixed stop 22, gim peg 23 runs through the through-hole setting, gim peg 23 with the cooperation.

Still be equipped with on the roof 1 with fixed stop 22 complex dodges the hole, the position department of dodging the hole still is equipped with spacing recess 13, spacing recess 13 with the gim peg 23 cooperation is used for the restriction the upwards rotation of roof 1. The top plate 1 is further provided with a limiting part 11, the fixing assembly is provided with a limiting matching piece matched with the limiting part 11, and the limiting part 11 is matched with the limiting matching piece to limit the downward rotation of the top plate 1.

When the turnover mechanism is not used, the turnover handle 36 rotates upwards, the turnover handle 36 drives the turnover transverse shaft 31, the turnover transverse shaft 31 drives one end, abutting against the fixed baffle 22, of the turnover plate 32 to rotate downwards, the torsion spring 35 is compressed, the turnover plate 32 changes from abutting against the fixed baffle 22 to being separated from the fixed baffle 22, at the moment, the top plate 1 is pressed downwards, the top plate 1 rotates around the fixed cross rod 21, the top plate 1 drives the turnover assembly to rotate around the fixed cross rod 21, and finally as shown in fig. 5, the limiting piece 11 on the top plate 1 abuts against a limiting matching piece on the fixed assembly, at the moment, the turnover plate 32 abuts against the lower bottom of the fixed baffle 22, and the torsion spring 35 is continuously compressed.

When the device needs to be used, the top plate 1 is pulled upwards, the top plate 1 drives the turnover plate 32 to rotate upwards until the limiting groove 13 is abutted against the fixing bolt 23, and meanwhile, the torsion spring 35 is reset, as shown in fig. 6, the turnover plate 32 is abutted against one side, close to the turnover plate 32, of the fixing baffle 22.

Turnover mechanism still includes shell 41, shell 41 connects roof 1, shell 41 with the connected mode of roof 1 is the fastener connection, shell 41 still connects fixed subassembly with the upset subassembly, fixed horizontal pole 21 runs through shell 41, upset horizontal pole 31 runs through shell 41, fixed horizontal pole 21 with the junction of shell 41 is equipped with the protection pad, upset horizontal pole 31 with the junction of shell 41 also is equipped with the protection pad, the protection pad can reduce noise when upset horizontal pole 31 is rotatory, the protection pad can also make upset horizontal pole 31 with fixed horizontal pole 21 with the connection of shell 41 is more inseparable.

The chair comprises a turnover mechanism, a chair back 42, a chair seat 43, armrests 44 and a support 45, wherein the chair back 42 is connected with the chair seat 43, the chair seat 43 is connected with the turnover mechanism, the turnover mechanism is connected with the support, the support 45 comprises a left support and a right support, the left support and the right support are respectively arranged at two ends of the turnover mechanism, the support 45 is connected with the armrests 44, at least one armrest 44 is arranged, and after the turnover mechanism is unlocked, the chair back 42 and the chair seat 43 can be turned downwards.

The turnover mechanism may be a common locking and fixing mechanism, or the above turnover mechanism, and the chair back 42 and the chair seat 43 are fixedly connected, and may be an integrated structure. The seat further comprises a rotary table plate, the rotary table plate is arranged on the support 45 and comprises a fixing component and a first rotating component, and the fixing component is connected with the first rotating component.

The rotary table plate comprises a fixing component and a first rotating component, and the fixing component is connected with the first rotating component.

As shown in fig. 9, the fixing assembly includes a first fixing element 51 and a second fixing element 52, the first fixing element 51 is sleeved with the second fixing element 52, a first limiting structure is disposed on the first fixing element 51, a second limiting structure matched with the first limiting structure is disposed on the second fixing element 52, and the first limiting structure and the second limiting structure are matched and connected to limit rotation of the first fixing element 51. The second fixing piece 52 is further provided with a bolt, and the first fixing piece 51 is provided with a matched screw hole which can limit the movement of the first fixing piece 51.

The first rotating assembly comprises a first rotating piece 53 and a second rotating piece 54, the first rotating piece 53 is connected with the second rotating piece 54 in a matched mode, a protruding block is arranged on the first rotating piece 53, a protruding block matched with the first rotating piece 53 is also arranged on the second rotating piece 54, and the protruding block on the first rotating piece 53 is connected with the protruding block on the second rotating piece 54, so that the first rotating piece 53 can rotate and fix a plurality of angles.

The first fixed part 51 is connected with the second rotating part 54, a groove is formed in the first fixed part 51, a fixing lug matched with the groove is arranged on the second rotating part 54, and the groove in the first fixed part 51 is connected with the fixing lug in the second rotating part 54, so that the second rotating part 54 is fixed and can not rotate and only horizontally move.

The second rotating part 54 is arranged in the second fixing part 52, a return spring 55 is arranged between the second rotating part 54 and the second fixing part 52, and the second rotating part 54 is connected with the first rotating part 53 through the return spring 55. When the first rotating part 53 rotates, the second rotating part 54 is pushed out by the lug on the first rotating part 53, and after the first rotating part 53 rotates by the angle of one lug, the second rotating part 54 is reset under the action of the reset spring 55, so that the lug on the first rotating part 53 is tightly connected with the lug on the second rotating part 54, the desk board can be adjusted to a plurality of heights through rotation, and the reliability of the device is also improved. The return spring 55 is used for tightly supporting the first rotating member 53 and the second rotating member 54. The convex blocks on the first rotating piece 53 are wavy, and the convex blocks on the second rotating piece 54 are wavy and matched with the convex blocks on the first rotating piece 5.

The inner wall of the first rotating part 53 is further provided with a limiting lug, the first fixing part 51 is also provided with a limiting lug matched with the first rotating part 53, and the limiting lug on the first fixing part 51 is used for limiting the rotating angle of the first rotating part 53, so that the first rotating part 53 can only rotate by a preset angle. A protection pad can be arranged between the first rotating part 53 and the first fixing part 51, and the protection pad is matched with the first rotating part 53. The protection pad can reduce the abrasion between the first rotating part 53 and the first fixing part 51, make the connection between the first rotating part 53 and the first fixing part 51 tighter, and make the rotation between the first rotating part 53 and the first fixing part 51 smoother and quieter.

This device still includes second rotating component, second rotating component connects first rotating component, second rotating component includes bearing board 56 and revolving part three 57, still be fixed with the table on the bearing board 56, the rotation of bearing board 56 drives the rotation of table, bearing board 56 with whether being connected of table can be threaded connection. The third rotating member 57 is fixedly connected with the first rotating member 53, and the connection mode of the third rotating member 57 and the first rotating member 53 can be a fastener connection. Be equipped with the cavity on the revolving part three 57, be equipped with complex limit structure on the revolving part 53, the cavity cooperates with limit structure, makes revolving part three 57 is fixed, can be equipped with the screw hole on the revolving part 53, be equipped with corresponding screw in the revolving part three 57, revolving part one 53 with revolving part three 57 can be fixed through threaded connection. The third rotating part 57 is arranged on the bearing plate 56, a protection pad is arranged between the third rotating part 57 and the bearing plate 56, the protection pad is matched with the bearing plate 56, the protection pad can reduce the abrasion between the bearing plate 56 and the third rotating part 57, the bearing plate 56 and the third rotating part 57 are connected more tightly, and the rotation between the bearing plate 56 and the third rotating part 57 is smooth and silent.

The supporting plate 56 is connected with the first rotating member 53, and a protective pad is also arranged between the supporting plate 56 and the first rotating member 53, and is used for reducing the abrasion between the supporting plate 56 and the first rotating member 53 and also enabling the connection between the supporting plate 56 and the first rotating member 53 to be tighter. The bearing plate 56 is provided with a rotation limiting block, and the third rotating part 57 is also provided with a rotation limiting structure which is correspondingly matched with the third rotating part 57, so that the bearing plate 56 can freely rotate within a set range, and the rotation between the bearing plate 56 and the third rotating part 57 is smooth and mute. The protective pad may be comprised of nylon.

The turnover mechanism can replace the original supporting cross rod of the seat with the fixed cross rod, so that the manufacturing cost is reduced, the manufacturing flow is optimized, the error rate in the manufacturing process is reduced, and the manufacturing yield is improved.

The rotary table plate can replace the original armrest of the seat with the second fixing part, so that the manufacturing cost is reduced, the manufacturing process is optimized, the error rate in the manufacturing process is reduced, and the manufacturing yield is improved.

The seat, the seat surface and the seat back can be of an integrated structure, the seat surface and the seat back are turned downwards, the back surface of the seat back faces upwards, the back surface of the seat surface faces upwards, dust and the like are reduced to enter the cushion, and the seat is convenient to clean. And the seat and the chair back are both turned downwards, so that when the seat is stored, the storage length is only influenced by the thickness of the seat, namely the cushion, and the storage overlapping space is reduced.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. Tilting mechanism, its characterized in that, including roof, fixed subassembly and upset subassembly, the roof is connected fixed subassembly, the roof is connected the upset subassembly, fixed subassembly includes fixed horizontal pole and fixed stop, fixed stop with fixed horizontal pole is connected, fixed horizontal pole is connected the roof, the upset subassembly includes upset cross axle and returning face plate, the upset cross axle is connected the roof, still be equipped with on the roof with the fixed stop complex dodges the hole, the position department of dodging the hole still is equipped with spacing recess, the last gim peg that still is connected with of fixed stop, spacing recess with the gim peg cooperation.

2. The turnover mechanism of claim 1, wherein the top plate further includes a limiting member, and the fixing assembly further includes a limiting engaging member engaged with the limiting member.

3. The turnover mechanism of claim 2, wherein the turnover transverse shaft is further provided with a torsion spring, and the torsion spring is sleeved on the turnover transverse shaft.

4. The turnover mechanism of claim 3, wherein the top plate is provided with a cross bar hole, the cross bar hole is matched with the fixed cross bar, and the fixed cross bar is connected with the top plate through the cross bar hole.

5. The turnover mechanism of claim 4, wherein the top plate is further provided with a cross shaft hole matched with the turnover cross shaft, the turnover cross shaft is connected with the top plate through the cross shaft hole, the turnover plate is provided with a cross shaft hole matched with the turnover cross shaft, and the turnover cross shaft is connected with the turnover plate through the cross shaft hole.

6. The turnover mechanism of claim 5, wherein the turnover cross bar is provided with turnover projections, and the turnover projections are arranged at least at one end of the turnover cross shaft.

7. The turnover mechanism of any one of claims 1 to 6, wherein at least one of the fixed baffles is disposed in the fixed assembly, the fixed cross bar is connected to the fixed baffles by fasteners, and the turnover plate is also connected to the turnover transverse shaft by fasteners.

8. The chair is characterized by comprising a turnover mechanism, a chair back, a chair seat, handrails and a support, wherein the chair back is connected with the chair seat, the chair seat is connected with the turnover mechanism, the turnover mechanism is connected with the support, the support comprises a left support and a right support, the left support and the right support are respectively arranged at two ends of the turnover mechanism, the support is connected with the handrails, the handrails are at least arranged one, and the chair back and the chair seat are downwards overturned.

9. The seat of claim 8, wherein the flipping mechanism is the flipping mechanism of claims 1-7, the seat further comprising a rotating table, the rotating table being connected to the bracket or the armrest.

10. The seat according to claim 9, wherein the rotating table comprises a fixed component and a first rotating component, the fixed component is connected with the first rotating component, the fixed component comprises a first fixed part and a second fixed part, the first fixed part is connected with the second fixed part, the first rotating component comprises a first rotating part and a second rotating part, the first rotating part is connected with the second rotating part, the first fixed part is connected with the second rotating part, and a return spring is arranged between the second rotating part and the second fixed part.