CN215737909U

CN215737909U - Rotatable split type bar chair

Info

Publication number: CN215737909U
Application number: CN202121129211.7U
Authority: CN
Inventors: 张崇斌
Original assignee: Anji Evs Furniture Co ltd
Current assignee: Anji Evs Furniture Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-02-08
Anticipated expiration: 2031-05-25

Abstract

The utility model provides a rotatable split type bar chair, which relates to the technical field of bar chairs and comprises a branch pipe and a cushion, wherein a driving bin is communicated below the branch pipe, a chassis is arranged below the driving bin, a lifting rod is slidably inserted into the branch pipe, a turbine is rotatably arranged in the driving bin, a screw rod is arranged on the turbine, the upper end of the screw rod extends into the lifting rod and is in threaded fit with the lifting rod, a top disc is arranged at the top end of the lifting rod, and the cushion is rotatably arranged on the top disc; according to the utility model, the crank is rotated to drive the first belt pulley to rotate, so that the second belt pulley is driven to rotate under the action of the belt, the worm rotates, the worm drives the worm wheel to rotate to drive the screw to rotate, the lifting rod is driven to lift under the action of the threads, the heights of the top disc and the cushion are adjusted, the structure is convenient for stepless height adjustment, and the risk of explosion of the air rod is avoided, so that the safety belt is more reliable.

Description

Rotatable split type bar chair

Technical Field

The utility model relates to the technical field of bar chairs, in particular to a rotatable split type bar chair.

Background

Bar chairs are commonly found in two categories: fixed and split type, fixed bar chair is most all monolithic structures: the structure can be divided into an all-wood structure, an all-plastic structure and an all-iron structure; split type bar chair comprises upper and lower two halves: the upper half part can be plastic, wood or iron; the lower half part is a five-star foot, a round chassis, a square chassis, a wood foot and the like.

The split type bar chair aims to achieve the rotating function and the lifting function only by means of matching of the air rod or the support rod with the connecting body and the working support, the lifting of the air rod has great potential safety hazards, the air rod is easy to wear after being used for a long time, once materials are insufficient to support air pressure, the risk of explosion exists, and the existing split type bar chair is generally hard and uncomfortable to sit.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a rotatable split type bar chair which can drive a first belt pulley to rotate by rotating a crank, so that a second belt pulley is driven to rotate by the action of a belt, a worm rotates, the worm drives a turbine to rotate, a screw is driven to rotate, a lifting rod is driven to lift by the action of threads, the height of a top plate and the height of a cushion are adjusted, the structure is convenient for stepless height adjustment, the risk of air rod explosion does not exist, and the rotatable split type bar chair is more reliable.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: a rotatable split type bar chair comprises a branch pipe and a cushion, wherein a driving bin is communicated below the branch pipe, a chassis is arranged below the driving bin, a lifting rod is slidably inserted into the branch pipe, a turbine is rotatably arranged in the driving bin, a screw rod is arranged on the turbine, the upper end of the screw rod extends into the lifting rod and is in threaded fit with the lifting rod, a top disc is arranged at the top end of the lifting rod, and the cushion is rotatably arranged on the top disc;

one side of branch pipe is equipped with the linkage storehouse, the front side intercommunication in drive storehouse has the driving tube, and the internal rotation of driving tube installs the worm, worm and turbine looks adaptation, and the one end of worm extends to the inside in linkage storehouse and is equipped with first belt pulley, the inside top in linkage storehouse is rotated and is equipped with the second belt pulley, be connected with the belt between first belt pulley and the second belt pulley, the upper end in the linkage storehouse outside is rotated and is equipped with the crank, and the crank is connected with the second belt pulley.

The further improvement lies in that: the middle position department of the inside top of top dish is equipped with first bearing circle, and the edge of top dish top is equipped with the second bearing circle, the cushion rotates through first bearing circle, second bearing circle and installs on the top dish, the edge of cushion is equipped with the back.

The further improvement lies in that: the both sides of lifter all are equipped with the strip of ending soon, the inside notch shape and the lifter of branch pipe and the strip looks adaptation of ending soon.

The further improvement lies in that: the front end and the rear end of the lifting rod are respectively provided with a limiting groove, and the front end and the rear end above the inner part of the branch pipe are respectively provided with a limiting bulge matched with the limiting grooves.

The further improvement lies in that: the bottom of the top plate is provided with a sleeve, the sleeve is sleeved above the lifting rod, and an elastic sheet is connected between the top of the lifting rod and the upper part inside the sleeve.

The further improvement lies in that: the shock absorption assembly is hinged between the four corners of the bottom of the top tray and the outer side of the lifting rod and comprises an insertion pipe and an insertion rod, the insertion rod is elastically inserted into the inner side of the insertion pipe, the lower end of the insertion pipe is hinged to the outer side of the lifting rod, and the upper end of the insertion rod is hinged to the bottom of the top tray.

The further improvement lies in that: the inserting rod is inserted into one end inside the inserting tube, a fixing piece is arranged at one end inside the inserting tube, and a spring is connected between the fixing piece and the upper end inside the inserting tube.

The utility model has the beneficial effects that:

1. according to the utility model, the crank is rotated to drive the first belt pulley to rotate, so that the second belt pulley is driven to rotate under the action of the belt, the worm rotates, the worm drives the worm wheel to rotate to drive the screw to rotate, the lifting rod is driven to lift under the action of the threads, the heights of the top disc and the cushion are adjusted, the structure is convenient for stepless height adjustment, and the risk of explosion of the air rod is avoided, so that the safety belt is more reliable.

2. According to the utility model, the cushion rotates on the top disc under the action of the first bearing ring and the second bearing ring, the cushion does not need to rotate by depending on a structure such as a supporting rod, the lower lifting rod is not influenced, and the use is more stable.

3. The elastic function is realized through the elastic sheets in the sleeve and at the top of the lifting rod, the inserting rod is elastically inserted in the inserting tube through the action of the damping assembly and the cooperation of the spring and the fixing sheet, when a user sits on the cushion, the elastic sheet in the middle provides elastic function, the damping assemblies at the periphery provide elastic potential energy, and the user feels comfortable when sitting.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic view of the interior of a manifold according to the present invention;

FIG. 4 is a schematic view of the cushion, lifter and top plate installation of the present invention;

figure 5 is a schematic view of the shock absorbing assembly of the present invention.

Wherein: 1. a branch pipe; 2. a cushion; 3. a driving bin; 4. a chassis; 5. a lifting rod; 6. a turbine; 7. a screw; 8. a top tray; 9. a linkage bin; 10. a drive tube; 11. a worm; 12. a first pulley; 13. a second pulley; 14. a belt; 15. a crank; 16. a first bearing ring; 17. a second bearing ring; 18. a backrest; 19. a rotation stopping strip; 20. a limiting groove; 21. a limiting bulge; 22. a sleeve; 23. a spring plate; 24. inserting a tube; 25. inserting a rod; 26. a fixing sheet; 27. a spring.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

According to the drawings of fig. 1, 2, 3 and 4, the embodiment provides a rotatable split type bar chair, which comprises a branch pipe 1 and a cushion 2, wherein a driving bin 3 is communicated below the branch pipe 1, a chassis 4 is arranged below the driving bin 3, a lifting rod 5 is slidably inserted into the branch pipe 1, a turbine 6 is rotatably installed inside the driving bin 3, a screw 7 is arranged on the turbine 6, the upper end of the screw 7 extends into the lifting rod 5 and is in threaded fit with the lifting rod 5, a top disc 8 is arranged at the top end of the lifting rod 5, and the cushion 2 is rotatably installed on the top disc 8;

one side of branch pipe 1 is equipped with linkage storehouse 9, the front side intercommunication of drive storehouse 3 has drive tube 10, and the inside rotation of drive tube 10 installs worm 11,

worm

11 and 6 looks adaptations of turbine, and the one end of worm 11 extends to linkage storehouse 9's inside and is equipped with first belt pulley 12, the inside top rotation in linkage storehouse 9 is equipped with second belt pulley 13, be connected with belt 14 between first belt pulley 12 and the second belt pulley 13, the upper end rotation in the linkage storehouse 9 outside is equipped with crank 15, and crank 15 is connected with second belt pulley 13. During the use, rotate crank 15, can drive first belt pulley 12 rotatory to it is rotatory to utilize belt 14's effect to drive second belt pulley 13, makes worm 11 rotatory, and worm 11 drives turbine 6 rotatory, drives screw rod 7 rotatory, thereby utilizes screw thread effect drive lifter 5 to go up and down, adjusts the height of top dish 4, cushion 2.

The middle position department of the inside top of top dish 8 is equipped with first bearing circle 16, and the edge of top dish 8 top is equipped with second bearing circle 17, cushion 2 rotates through first bearing circle 16, second bearing circle 17 and installs on top dish 8, the edge of cushion 2 is equipped with back 18.

Both sides of lifter 5 all are equipped with and stop strip 19 soon, the inside notch shape of branch pipe 1 and lifter 5 and stop strip 19 looks adaptation soon. The lifting rod 5 is prevented from rotating, and the lifting function is kept.

The front end and the rear end of the lifting rod 5 are both provided with limiting grooves 20, and the front end and the rear end above the inner part of the branch pipe 1 are both provided with limiting bulges 21 matched with the limiting grooves 20. The limit protrusion 21 limits the inner bottom of the limit groove 20, preventing the lifting rod 5 from being separated from the branch pipe 1.

Example two

According to the drawings of fig. 1, 3, 4 and 5, the embodiment provides a rotatable split type bar chair, which comprises a branch pipe 1 and a cushion 2, wherein a driving bin 3 is communicated below the branch pipe 1, a chassis 4 is arranged below the driving bin 3, a lifting rod 5 is slidably inserted into the branch pipe 1, a turbine 6 is rotatably installed inside the driving bin 3, a screw 7 is arranged on the turbine 6, the upper end of the screw 7 extends into the lifting rod 5 and is in threaded fit with the lifting rod 5, a top disc 8 is arranged at the top end of the lifting rod 5, and the cushion 2 is rotatably installed on the top disc 8;

worm

The bottom of the top plate 8 is provided with a sleeve 22, the sleeve 22 is sleeved above the lifting rod 5, and an elastic sheet 23 is connected between the top of the lifting rod 5 and the upper part of the inner part of the sleeve 22.

Articulated between the four corners department of top dish 8 bottom and the outside of lifter 5 have damper, damper includes intubate 24 and inserted bar 25, inserted bar 25 elastic activity is inserted and is established the inboard at intubate 24, the lower extreme of intubate 24 is articulated in the 5 outsides of lifter, the upper end of inserted bar 25 is articulated with top dish 8 bottom.

A fixing piece 26 is arranged at one end of the insertion rod 25 inserted into the insertion tube 24, and a spring 27 is connected between the fixing piece 26 and the upper end of the insertion tube 24. During the use, realize the elastic action through the inside shell fragment 23 with the lifter 5 top of sleeve pipe 22, through damper's effect, utilize spring 27 cooperation stationary blade 26 to make inserted bar 25 elasticity insert in intubate 24 and establish, when sitting on cushion 2, middle shell fragment 23 provides the elastic action, and damper provides elastic potential energy all around, sits more comfortablely.

The rotatable split type bar chair can drive the first belt pulley 12 to rotate by rotating the crank 15, thereby utilizing the action of the belt 14 to drive the second belt pulley 13 to rotate, leading the worm 11 to drive the turbine 6 to rotate, driving the screw 7 to rotate, further utilizing the thread action to drive the lifting rod 5 to lift, adjusting the heights of the top disc 4 and the cushion 2, being convenient for stepless height adjustment, having no risk of explosion of an air rod, being more reliable, simultaneously leading the cushion 2 to rotate on the top disc 8 by the action of the first bearing ring 16 and the second bearing ring 17, not needing to rely on the structure rotation of a support rod and the like, not influencing the lifting rod 5 below, being more stable in use, in addition, realizing the elastic action by the elastic sheet 23 inside the sleeve 22 and at the top of the lifting rod 5, utilizing the spring 27 to be matched with the fixing sheet 26 to enable the insertion rod 25 to be elastically inserted in the insertion pipe 24, when sitting on the cushion 2, the middle elastic sheet 23 provides elastic action, and the damping assemblies around provide elastic potential energy, so that the sitting is more comfortable.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rotatable split type bar chair, includes branch pipe (1) and cushion (2), its characterized in that: the lower portion of the branch pipe (1) is communicated with a driving bin (3), a chassis (4) is arranged below the driving bin (3), a lifting rod (5) is slidably inserted into the inside of the branch pipe (1), a turbine (6) is rotatably installed in the driving bin (3), a screw rod (7) is arranged on the turbine (6), the upper end of the screw rod (7) extends into the inside of the lifting rod (5) and is matched with the screw thread, a top disc (8) is arranged at the top end of the lifting rod (5), and the cushion (2) is rotatably installed on the top disc (8);

one side of branch pipe (1) is equipped with linkage storehouse (9), the front side intercommunication in drive storehouse (3) has drive tube (10), and the inside rotation of drive tube (10) installs worm (11), worm (11) and turbine (6) looks adaptation, and the one end of worm (11) extends to the inside in linkage storehouse (9) and is equipped with first belt pulley (12), the top of linkage storehouse (9) inside is rotated and is equipped with second belt pulley (13), be connected with belt (14) between first belt pulley (12) and second belt pulley (13), the upper end in linkage storehouse (9) outside is rotated and is equipped with crank (15), and crank (15) are connected with second belt pulley (13).

2. The rotatable split type bar chair of claim 1, wherein: the middle position department of the inside top of top dish (8) is equipped with first bearing circle (16), and the edge of top dish (8) top is equipped with second bearing circle (17), cushion (2) rotate through first bearing circle (16), second bearing circle (17) and install on top dish (8), the edge of cushion (2) is equipped with back (18).

3. The rotatable split type bar chair of claim 2, wherein: both sides of lifter (5) all are equipped with and end strip (19) soon, the inside notch shape and lifter (5) of branch pipe (1) and end strip (19) looks adaptation soon.

4. The rotatable split type bar chair of claim 3, wherein: the front end and the rear end of the lifting rod (5) are both provided with limiting grooves (20), and the front end and the rear end above the inner part of the branch pipe (1) are both provided with limiting bulges (21) matched with the limiting grooves (20).

5. The rotatable split-type bar chair according to any one of claims 1 to 4, wherein: the bottom of the top plate (8) is provided with a sleeve (22), the sleeve (22) is sleeved above the lifting rod (5), and an elastic sheet (23) is connected between the top of the lifting rod (5) and the upper part inside the sleeve (22).

6. The rotatable split type bar chair of claim 5, wherein: the articulated damper assembly that has between the four corners department of overhead pan (8) bottom and the outside of lifter (5), damper assembly includes intubate (24) and inserted bar (25), inserted bar (25) elastic activity is inserted and is established the inboard in intubate (24), the lower extreme and the lifter (5) outside of intubate (24) are articulated, the upper end and overhead pan (8) bottom of inserted bar (25) are articulated.

7. The rotatable split type bar chair of claim 6, wherein: the inserting rod (25) is inserted into one end inside the inserting pipe (24) and provided with a fixing piece (26), and a spring (27) is connected between the fixing piece (26) and the upper end inside the inserting pipe (24).