CN209995715U

CN209995715U - folding multifunctional chair

Info

Publication number: CN209995715U
Application number: CN201920227199.XU
Authority: CN
Inventors: 陈雨吟; 陈法根; 宋惠国
Original assignee: JINYUN VOCATIONAL SECONDARY SPECIALIZED SCHOOL
Current assignee: JINYUN VOCATIONAL SECONDARY SPECIALIZED SCHOOL
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-01-31
Anticipated expiration: 2029-02-20

Abstract

The utility model provides an foldable multi-functional chairs relates to multi-functional chair technical field this foldable multi-functional chair, including damping device and height adjusting device, damping device's bottom fixed mounting has height adjusting device, damping device includes the chair seat, the equal fixed mounting in both sides of chair seat right-hand member has the back axis of rotation this foldable multi-functional chair, the chair seat bears user's gravity, makes T type pole descend and enters into the connecting block recess, drives the spring shrink, until chair seat and backup pad contact, at this moment, the spring can give ascending elasticity of chair seat to make the chair have the shock attenuation effect, rotate the screw rod through the crank, because the glyptic screw thread opposite direction in both ends of screw rod, make the motion opposite direction of two screw blocks, control crank corotation, reversal, can drive the increase of the cross angle between two spinal branch vaulting poles or reduce, adjust the height of chair, increased the function of chair, thereby the practicality has been improved.

Description

folding multifunctional chair

Technical Field

The utility model relates to a multifunctional chair technical field specifically is foldable multifunctional chair.

Background

The chair is an essential household product and office supply in daily life of people, the chair can be placed in living rooms, dining rooms, bedrooms and offices to facilitate work and rest, ancient places sit on the ground, and no chair exists.

Although foldable chairs are available in the market at present, the foldable chairs do not have functions of height adjustment and the like, and are poor in practicability, and therefore foldable multifunctional chairs are needed.

SUMMERY OF THE UTILITY MODEL

() problems to be solved

The utility model discloses try to overcome above defect to prior art not enough, consequently the utility model provides an kinds of foldable multi-functional chairs to reached can fold, the function is many, the effect that the practicality is strong.

(II) technical scheme

In order to achieve the purpose, the utility model discloses a technical scheme is realized that folding type multifunctional chairs include damping device and height adjusting device, height adjusting device is fixed and installed to the bottom of damping device.

Damping device includes the chair seat, the equal fixed mounting in both sides of chair seat right-hand member has the back axis of rotation, the outside movable mounting of back axis of rotation has the chair back, the bottom fixed mounting on chair back right side has the back baffle, the below fixed mounting of chair seat has the backup pad, a plurality of seat recess has been seted up to the bottom of chair seat, and the equal movable mounting in inside of every seat recess has T type pole, a plurality of backup pad recess has been seted up under the top of backup pad just is located the seat recess, and the equal fixed mounting in bottom of every backup pad recess has the connecting block, and every connecting block recess has all been seted up at every connecting block top, and the outside of every T type pole all overlaps and has the spring.

Height adjusting device includes the height adjusting device recess, fixed mounting has the rotation base on the left side outer wall of height adjusting device recess, the inside movable mounting who rotates the base has the screw rod, it has forward screw thread to carve on the outer wall of screw rod left end, it has reverse screw thread to carve on the outer wall of screw rod right-hand member, the right-hand member fixed mounting of screw rod has the crank, movable mounting has a plurality of screw piece on the outer wall of screw rod, and the equal fixed mounting in bottom of every screw piece has the bracing piece connecting block, and the equal movable mounting in bottom of every bracing piece connecting block has the bracing piece, the middle part movable mounting of bracing piece has the bracing piece pivot, and the equal fixed mounting in bottom of every bracing piece has anti.

And , the number, shape and size of the support plate grooves are the same as those of the seat plate grooves.

And , the size of the groove of the connecting block is slightly smaller than that of the bottom of the T-shaped rod.

And , fixing the two ends of the spring on the top of the T-shaped rod and the top of the connecting block respectively.

And , the length of the T-shaped rod is just equal to the sum of the depths of the seat plate groove and the connecting block groove.

And , the height adjusting device groove is fixedly arranged inside the supporting plate.

And , the left end of the screw is movably connected with the rotating base, and the right end of the screw penetrates through the outer wall of the supporting plate.

And , two screw blocks are provided, the two screw blocks are movably connected with two ends of the screw respectively for engraving the forward thread and the reverse thread, and the contact surface of each screw block and the screw is engraved with matched threads.

And , the supporting rods are arranged in a crossed manner, and the rotating shafts of the supporting rods penetrate through the supporting rods.

(III) advantageous effects

The utility model provides an kinds of foldable multi-functional chairs possesses following beneficial effect:

1. according to the folding multifunctional chair, the chair seat plate bears the gravity of a user, the T-shaped rod descends to enter the connecting block groove, the spring is driven to contract until the chair seat plate is contacted with the supporting plate, the T-shaped rod enters the bottom of the connecting block groove, upward elastic forces can be given to the chair seat plate by the spring at the moment, the chair has a damping effect, the screw rod is rotated by the crank, the moving directions of the two screw blocks are opposite due to the fact that the directions of the engraved threads at the two ends of the screw rod are opposite, the crossing angle between the two supporting rods can be increased or reduced by controlling the forward rotation and the reverse rotation of the crank, the height of the chair is adjusted, the function of the chair is increased, and the practicability is improved.

2. This foldable multifunctional chair, when two screw blocks moved the both ends of screw rod respectively, the angle between the bracing piece reached 180 degrees just, from making the bracing piece folded, anticlockwise rotation chair back can be folded the chair back to make the chair can fold, reduced occupation space.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in the present invention.

In the figure: 1 damping device, 101 chair seat plate, 102 backrest rotating shaft, 103 chair backrest, 104 backrest baffle, 105 supporting plate, 106 seat plate groove, 107T-shaped rod, 108 supporting plate groove, 109 connecting block, 110 connecting block groove, 111 spring, 2 height adjusting device, 201 height adjusting device groove, 202 rotating base, 203 screw rod, 204 forward screw thread, 205 reverse screw thread, 206 crank, 207 screw block, 208 supporting rod connecting block, 209 supporting rod, 210 supporting rod rotating shaft and 211 antiskid base.

Detailed Description

According to the aspect of the present invention, the present invention provides kinds of foldable multifunctional chairs, as shown in fig. 1-2, comprising a damping device 1 and a height adjusting device 2, wherein the bottom of the damping device 1 is fixedly installed with the height adjusting device 2.

In this embodiment, the damping device 1 includes a chair seat 101, a backrest rotation axis 102 is fixedly mounted on both sides of a right end of the chair seat 101, a chair backrest 103 is movably mounted outside the backrest rotation axis 102, a backrest baffle 104 is fixedly mounted at a bottom end of a right side of the chair backrest 103, a groove is formed in a bottom of the chair backrest 103, so that the chair backrest 103 can rotate and fold with the backrest rotation axis 102, and when the chair backrest 103 rotates to a compound ergonomic angle, the backrest baffle 104 just contacts with the right end of the chair seat 101, so that the angle of the chair backrest 103 is fixed, and the use by people is facilitated. Preferably, a support plate 105 is fixedly installed below the seat plate 101.

In this embodiment, the bottom of the seat plate 101 of the chair is provided with a plurality of seat plate grooves 106, a T-shaped rod 107 is movably mounted inside each seat plate groove 106, a plurality of support plate grooves 108 are formed in the top of the support plate 105 and located under the seat plate grooves 106, and the number, shape and size of the support plate grooves 108 are the same as those of the seat plate grooves 106.

In this embodiment, the bottom of each supporting plate groove 108 is fixedly provided with a connecting block 109, the top of each connecting block 109 is provided with a connecting block groove 110, the length of the T-shaped rod 107 is exactly equal to the sum of the depths of the seat plate groove 106 and the connecting block groove 110, the size of the connecting block groove 110 is slightly smaller than the size of the bottom of the T-shaped rod 107, the outside of each T-shaped rod 107 is sleeved with a spring 111, and the two ends of the spring 111 are fixed at the top of the T-shaped rod 107 and the top of the connecting block 109 respectively.

, the height adjusting device 2 comprises a height adjusting device groove 201, the height adjusting device groove 201 is fixedly installed inside the supporting plate 105, and a rotating base 202 is fixedly installed on the left outer wall of the height adjusting device groove 201.

Preferably, a screw 203 is movably mounted inside the rotating base 202, the left end of the screw 203 is movably connected with the rotating base 202, the right end of the screw 203 penetrates through the outer wall of the supporting plate 105, a forward thread 204 is engraved on the outer wall of the left end of the screw 203, a reverse thread 205 is engraved on the outer wall of the right end of the screw 203, a crank 206 is fixedly mounted at the right end of the screw 203, a plurality of screw blocks 207 are movably mounted on the outer wall of the screw 203, the number of the screw blocks 207 is two, the two screw blocks 207 are respectively movably connected with two ends of the screw 203, which are engraved with the forward thread 204 and the reverse thread 205, and a matching thread is engraved on the contact surface of each screw block 207 and the screw 203.

In this embodiment, the bottom of each screw block 207 is fixedly provided with a support rod connecting block 208, the bottom of each support rod connecting block 208 is movably provided with a support rod 209, the middle of each support rod 209 is movably provided with a support rod rotating shaft 210, the support rods 209 are arranged in a crossed manner, the support rod rotating shaft 210 penetrates through the support rods 209, and the bottom of each support rod 210 is fixedly provided with an anti-skid base 211.

The working principle is that when the chair seat plate 101 bears the weight of a user, the T-shaped rod 107 descends into the connecting block groove 110 to drive the spring 111 to contract until the chair seat plate 101 is in contact with the supporting plate 105, the T-shaped rod 107 enters the bottom of the connecting block groove 110, at the moment, the spring 111 gives 101 upward elastic forces to the chair seat plate 101, so that the chair has a damping effect, the crank 206 rotates the screw 203, the moving directions of the two screw blocks 207 are opposite due to the fact that the directions of the threads engraved at the two ends of the screw 203 are opposite, so that the crossing angle between the two supporting rods 209 can be increased or decreased by controlling the forward rotation and the reverse rotation of the crank 206, the height of the chair can be adjusted, and when the two screw blocks 207 move to the two ends of the screw 203 respectively, the angle between the supporting rods 209 is just 180 degrees, so that the supporting rods 209 are folded, the chair backrest 103 is rotated anticlockwise, the chair backrest 103 can be folded, and the occupied space is reduced.

In summary, according to the folding multifunctional chair, the chair seat plate 101 bears the gravity of a user, the T-shaped rod 107 descends to enter the connecting block groove 110, the spring 111 is driven to contract until the chair seat plate 101 contacts the supporting plate 105, the T-shaped rod 107 enters the bottom of the connecting block groove 110, at this time, the spring 111 gives 101 upward elastic forces to the chair seat plate 101, so that the chair has a damping effect, the screw 203 is rotated by the crank 206, the movement directions of the two screw blocks 207 are opposite due to the fact that the directions of the threads engraved at the two ends of the screw 203 are opposite, so that the crossing angle between the two supporting rods 209 can be increased or decreased by controlling the crank 206 to rotate forwards and backwards, the height of the chair is adjusted, the function of the chair is increased, and the practicability is improved.

In addition, according to the folding multifunctional chair, when the two screw blocks 207 move to the two ends of the screw rod 203 respectively, the angle between the support rods 209 just reaches 180 degrees, so that the support rods 209 are folded, the chair backrest 103 is rotated counterclockwise, the chair backrest 103 can be folded, the chair can be folded, and the occupied space is reduced.

Claims

1, folding multifunctional chairs, which comprises a shock absorption device (1) and a height adjusting device (2), and is characterized in that the bottom of the shock absorption device (1) is fixedly provided with the height adjusting device (2);

the damping device (1) comprises a chair seat plate (101), wherein backrest rotating shafts (102) are fixedly mounted on two sides of the right end of the chair seat plate (101), a chair backrest (103) is movably mounted outside the backrest rotating shafts (102), a backrest baffle (104) is fixedly mounted at the bottom end of the right side of the chair backrest (103), a support plate (105) is fixedly mounted below the chair seat plate (101), a plurality of seat plate grooves (106) are formed in the bottom of the chair seat plate (101), a T-shaped rod (107) is movably mounted inside each seat plate groove (106), a plurality of support plate grooves (108) are formed in the top of the support plate (105) and located under the seat plate grooves (106), a connecting block (109) is fixedly mounted at the bottom of each support plate groove (108), a connecting block groove (110) is formed in the top of each connecting block (109), a spring (111) is sleeved outside each T-shaped rod (107);

the height adjusting device (2) comprises a height adjusting device groove (201), a rotating base (202) is fixedly arranged on the outer wall of the left side of the height adjusting device groove (201), a screw rod (203) is movably arranged in the rotating base (202), a positive thread (204) is carved on the outer wall of the left end of the screw rod (203), the outer wall of the right end of the screw rod (203) is carved with a reverse thread (205), the right end of the screw rod (203) is fixedly provided with a crank (206), a plurality of screw blocks (207) are movably arranged on the outer wall of the screw rod (203), a supporting rod connecting block (208) is fixedly arranged at the bottom of each screw block (207), a supporting rod (209) is movably arranged at the bottom of each supporting rod connecting block (208), the middle part movable mounting of bracing piece (209) has bracing piece pivot (210), and the equal fixed mounting in bottom of every bracing piece (209) has antiskid base (211).

2. The folding multifunctional chair according to claim 1, wherein: the number, shape and size of the supporting plate grooves (108) are the same as those of the seat plate grooves (106).

3. The folding multifunctional chair according to claim 1, wherein: the size of the connecting block groove (110) is slightly smaller than that of the bottom of the T-shaped rod (107).

4. The folding multifunctional chair according to claim 1, wherein: and two ends of the spring (111) are respectively fixed on the top of the T-shaped rod (107) and the top of the connecting block (109).

5. The folding multifunctional chair according to claim 1, wherein: the length of the T-shaped rod (107) is just equal to the sum of the depths of the seat plate groove (106) and the connecting block groove (110).

6. The folding multifunctional chair according to claim 1, wherein: the height adjusting device groove (201) is fixedly arranged inside the supporting plate (105).

7. The folding multifunctional chair according to claim 1, wherein: the left end of the screw rod (203) is movably connected with the rotating base (202), and the right end of the screw rod (203) penetrates through the outer wall of the supporting plate (105).

8. The folding multifunctional chair according to claim 1, wherein: the screw block (207) is totally two, two screw blocks (207) are movably connected with the two ends of the positive thread (204) and the negative thread (205) engraved on the screw (203), and the contact surface of each screw block (207) and the screw (203) is engraved with matched threads.

9. The folding multifunctional chair according to claim 1, wherein: the supporting rods (209) are arranged in a crossed mode, and the supporting rod rotating shafts (210) penetrate through the supporting rods (209).