CN212066242U

CN212066242U - Castor-free manual control rotating seat

Info

Publication number: CN212066242U
Application number: CN202020635281.9U
Authority: CN
Inventors: 冀永生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-04
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a no truckle manual control rotates seat, the on-line screen storage device comprises a base, the top fixedly connected with fixed column of base, the fixed column is connected with the bottom plate through rotating the piece, the bottom of bottom plate is provided with the mounting groove a that corresponds with the fixed column and rotation piece, be provided with on the bottom plate with the communicating mounting groove b of mounting groove a, mounting groove b is connected with dwang an through rotating the piece, the equal fixedly connected with bevel gear a in both ends of dwang an. The utility model discloses in, can drive this seat through the rotating beam handrail and rotate, and turned angle and direction of rotation can be adjusted as required, and the orientation can not receive external influence and change, does not need the user to use the supplementary rotation of foot simultaneously, and the user that is fit for some paralyses of low limbs or lower limbs amputation uses, and in addition, this does not have truckle rotation seat simple structure, convenient operation, and processing technology is simple, consequently, has fine practicality.

Description

Castor-free manual control rotating seat

Technical Field

The utility model relates to a chair technical field, more specifically say, in particular to no truckle manual control rotates seat.

Background

The chair is a seat with a backrest and armrests, is furniture necessary for home and office, and is frequently required to be adjusted in orientation when people sit.

The current swivel seats have the following disadvantages:

1. the direction of the swivel chair with the caster is not fixed, and the swivel chair is likely to have the phenomenon of non-autonomous steering, and the swivel needs to be assisted by feet;

2. the swivel chair without the caster needs to be assisted by feet in steering, and the rotating angle is not accurate;

3. the existing steering implementation mode is extremely unfriendly to people with unsound lower limbs, and has low matching degree to common serious and normal occasions.

To this end, we propose a caster-less manual control swivel seat to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a caster-free manual control rotating seat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a caster-free manual control rotating seat comprises a base, wherein a fixed column is fixedly connected to the top of the base, the fixed column is connected with a bottom plate through a rotating piece, the bottom of the bottom plate is provided with a mounting groove a corresponding to the fixed column and the rotating piece, a mounting groove b communicated with the mounting groove a is formed in the bottom plate, the mounting groove b is connected with a rotating rod a through the rotating piece, two ends of the rotating rod a are fixedly connected with bevel gears a, the top of the fixed column is fixedly connected with a bevel gear b meshed with one bevel gear a, the top of one end of the bottom plate is fixedly connected with two stand columns, and one end, away from the stand columns, of the;

one of them be provided with the installing port on the stand, the installing port is connected with dwang b through rotating, the bottom of dwang b runs through mounting groove b and extends to the inside of mounting groove b, the bottom and the equal fixedly connected with bevel gear c in top of dwang b, one of them bevel gear c and one of them bevel gear a meshing is connected, the equal fixedly connected with connecting block of both sides lateral wall of back of the chair board, the connecting block passes through the crossbeam and is connected with the stand, and one of them the crossbeam is rotatable, the equal fixedly connected with branch in both ends of crossbeam, one of them branch runs through the stand and is connected with one of them bevel gear c meshing through bevel gear d.

Preferably, the base comprises a supporting block fixedly connected to the bottom of the fixed column, and a plurality of supporting legs are fixedly connected to the outer side wall of the supporting block.

Preferably, the two supporting rods are connected with the connecting block and the upright post respectively through rotating pieces.

Preferably, the rotating member is a bearing.

Preferably, the top of the upright post is arranged in an arc shape.

Preferably, a cushion is arranged on the bottom plate.

Preferably, a back cushion is arranged on the chair back plate.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

the utility model discloses in, can drive this seat through the rotating beam handrail and rotate, and turned angle and direction of rotation can be adjusted as required, and the orientation can not receive external influence and change, does not need the user to use the supplementary rotation of foot simultaneously, and the user that is fit for some paralyses of low limbs or lower limbs amputation uses, and in addition, this does not have truckle rotation seat simple structure, convenient operation, and processing technology is simple, consequently, has fine practicality.

Drawings

Fig. 1 is a schematic structural view of a caster-free manual control rotating seat provided by the present invention;

fig. 2 is a left side view structural schematic diagram of the caster-free manual control rotating seat provided by the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the structure at C in FIG. 2;

fig. 6 is a schematic view of a connection structure of the back plate, the back cushion, the connecting block and the rotating member in the caster-free manual control rotating seat provided by the utility model.

In the figure: 1. a base; 101. a support block; 102. a support leg; 2. a base plate; 3. a column; 4. connecting blocks; 5. a cushion; 6. a chair back plate; 7. fixing a column; 8. a strut; 9. back cushion; 10. a rotating member; 11. a bevel gear a; 12. a bevel gear b; 13. a bevel gear c; 14. rotating the rod a; 15. a bevel gear d; 16. rotating the rod b; 17. a cross member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a caster-free manual control rotating seat comprises a base 1, a fixed column 7 is fixedly connected to the top of the base 1, the fixed column 7 is connected with a bottom plate 2 through a rotating piece 10, a mounting groove a corresponding to the fixed column 7 and the rotating piece 10 is arranged at the bottom of the bottom plate 2, a mounting groove b communicated with the mounting groove a is arranged on the bottom plate 2, the mounting groove b is connected with a rotating rod a14 through the rotating piece 10, bevel gears a11 are fixedly connected to the two ends of the rotating rod a14, bevel gears b12 meshed with the bevel gears a11 are fixedly connected to the top of the fixed column 7, two upright columns 3 are fixedly connected to the top of one end of the bottom plate 2, and a seat back plate 6. The cooperation of the rotating piece 10 and the fixing column 7 can ensure that the bottom plate 2 rotates at the top of the base 1, so that the bottom plate 2 can be conveniently adjusted to rotate above the base 1 according to the needs of a user.

Wherein, be provided with the installing port on one of them stand 3, the installing port is connected with dwang b16 through rotating piece 10, the bottom of dwang b16 runs through mounting groove b and extends to the inside of mounting groove b, the equal fixedly connected with bevel gear c13 in bottom and the top of dwang b16, one of them bevel gear c13 is connected with one of them bevel gear a11 meshing, the equal fixedly connected with connecting block 4 of both sides lateral wall of back of the chair 6, connecting block 4 is connected with stand 3 through crossbeam 17, and one of them crossbeam 17 is rotatable, the equal fixedly connected with branch 8 in both ends of crossbeam 17, one of them branch 8 runs through stand 3 and is connected with one of them bevel gear c13 meshing through bevel gear d 15. The crossbeam 17 rotates to drive the bevel gear d15 to rotate, the bevel gear d15 is meshed with the bevel gear c13 to be connected, therefore, the crossbeam 17 rotates to drive the rotating rod b16 to rotate, the rotating rod b16 is connected with the rotating rod a14 through the bevel gear c13 and the bevel gear a11, therefore, the crossbeam 17 rotates to drive the rotating rod a14 to rotate, and the rotating rod a14 is connected with the fixed column 7 through the bevel gear a11 and the bevel gear b12, therefore, the effect that the rotating crossbeam 17 drives the bottom plate 2 to rotate on the base 1 is achieved, the foot auxiliary seat does not need to be used for rotation, the effect that the bottom plate 2 rotates on the base 1 can be achieved through manually rotating the crossbeam 17, and the caster-free rotating seat is suitable for being used by some users with paralyzed lower limbs or amputated lower limbs.

Further, the base 1 includes a supporting block 101 fixedly connected to the bottom of the fixing column 7, and a plurality of supporting legs 102 are fixedly connected to an outer side wall of the supporting block 101.

Further, the two supporting rods 8 are respectively connected with the connecting block 4 and the upright post 3 through the rotating piece 10.

Further, the rotating member 10 is a bearing. The rotating rod a14, the rotating rod b16, the supporting rod 8 and the fixed column 7 are limited, and the rotating friction force among the components is reduced.

Further, the top of the upright post 3 is arc-shaped. Preventing damage to the arms of the user.

Further, a seat cushion 5 is provided on the base plate 2. The comfort of the user when sitting is improved.

Further, a back cushion 9 is arranged on the chair back plate 6. The comfort of the user when sitting is improved.

The utility model discloses in, it rotates to drive bevel gear d15 through crossbeam 17, because bevel gear d15 is connected with bevel gear c13 meshing, therefore, crossbeam 17 rotates and drives dwang b16 and rotates, because dwang b16 is connected with dwang a14 through bevel gear c13 and bevel gear a11, so, crossbeam 17 rotates and drives dwang a14 and rotates, and dwang a14 is connected with fixed column 7 through bevel gear a11 and bevel gear b12, consequently, it drives bottom plate 2 pivoted effect on base 1 to reach to rotate crossbeam 17, need not use foot's supplementary seat to rotate, can reach bottom plate 2 pivoted effect on base 1 through hand pivoted crossbeam 17, the user that is fit for some low limbs paralysis or lower limbs amputation uses, furthermore, this no truckle rotation seat simple structure, and convenient operation, and simple processing technology, therefore, and good practicability is realized.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is no longer detailed here.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A manual control rotating chair without casters is characterized by comprising a base (1), the top of the base (1) is fixedly connected with a fixed column (7), the fixed column (7) is connected with a bottom plate (2) through a rotating piece (10), the bottom of the bottom plate (2) is provided with mounting grooves a corresponding to the fixed column (7) and the rotating piece (10), the bottom plate (2) is provided with a mounting groove b communicated with the mounting groove a, the mounting groove b is connected with a rotating rod a (14) through a rotating piece (10), two ends of the rotating rod a (14) are fixedly connected with a bevel gear a (11), the top of the fixed column (7) is fixedly connected with a bevel gear b (12) meshed with one bevel gear a (11), the top of one end of the bottom plate (2) is fixedly connected with two upright posts (3), one end of the bottom plate (2) far away from the upright post (3) is fixedly connected with a chair back plate (6);

one of the upright columns (3) is provided with a mounting opening which is connected with a rotating rod b (16) through a rotating part (10), the bottom of the rotating rod b (16) penetrates through the mounting groove b and extends towards the inside of the mounting groove b, the bottom and the top of the rotating rod b (16) are both fixedly connected with a bevel gear c (13), one of the bevel gears c (13) is in meshing connection with one of the bevel gears a (11), the outer side walls of the two sides of the chair back plate (6) are fixedly connected with connecting blocks (4), the connecting block (4) is connected with the upright post (3) through a cross beam (17), one of the beams (17) can rotate, both ends of the beam (17) are fixedly connected with a supporting rod (8), one of the support rods (8) penetrates through the upright post (3) and is in meshed connection with one of the bevel gears c (13) through the bevel gears d (15).

2. The caster-free manual control rotary seat according to claim 1, wherein the base (1) comprises a supporting block (101) fixedly connected to the bottom of the fixed column (7), and a plurality of supporting legs (102) are fixedly connected to the outer side wall of the supporting block (101).

3. A caster-less manual operated swivel seat according to claim 1, wherein both said struts (8) are connected to the connecting block (4) and the upright (3) by means of a swivel member (10), respectively.

4. A caster-less hand operated swivel seat as claimed in claim 3, wherein said swivel member (10) is a bearing.

5. A caster-less manually controlled swivel seat as claimed in claim 1, wherein the top of the upright (3) is curved.

6. A caster-less manually operated swivel seat as claimed in claim 1, wherein a seat cushion (5) is provided on the base plate (2).

7. A caster-less manually controlled swivel seat as claimed in claim 1, wherein the back plate (6) is provided with a back pad (9).