CN214803599U - Foldable folding dining chair - Google Patents

Abstract

The utility model belongs to the chair field, especially a collapsible retractable dining chair to current dining chair function singleness, can't adjust use size and use the form, uses very inconvenient problem, now proposes following scheme, and it includes four chair legs, chair board, four flexible legs, two regulation poles, the back of the chair, angle adjustment mechanism and size adjustment mechanism, chair board fixed mounting is between four chair legs, and the adjustment tank has all been seted up to the bottom of four chair legs, flexible leg slidable mounting is in the adjustment tank that corresponds, and the equal fixed mounting in bottom of four flexible legs has the backing plate, and the fixed slot has all been seted up at the top of two wherein chair legs of four chair legs, all rotates in two fixed slots and installs the regulation pole. The utility model discloses a dining chair function is comprehensive, can adjust use size and use form, and the regulation step is simple and convenient, and it is very convenient to use.

Description

Foldable folding dining chair

Technical Field

The utility model relates to a chair technical field especially relates to a collapsible retractable dining chair.

Background

The chair is common and commonly used furniture in daily life, the dining chair is a chair specially used for dining, the dining chair is usually used when people eat, the service time is fixed, the dining chair in the market is usually not foldable and placed in a dining room, and for a room with small space, a large place can be occupied, the foldable dining chair can be folded when not used, can be unfolded when needed, is convenient to store, and avoids excessive space occupation; however, the existing dining chair has single function, the use size and the use form cannot be adjusted, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a foldable and retractable dining chair.

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

the utility model provides a collapsible extendible dining chair, includes four chair legs, chair board, four flexible legs, two regulation poles, the back of the chair, angle adjustment mechanism and size adjustment mechanism, chair board fixed mounting is between four chair legs, and the adjustment tank has all been seted up to the bottom of four chair legs, flexible leg slidable mounting has the backing plate in the adjustment tank that corresponds, and the equal fixed mounting in bottom of four flexible legs has a fixed slot, all rotates in two fixed slots and installs the regulation pole, two the top of adjusting the pole all with back of the chair fixed connection, angle adjustment mechanism sets up on the chair leg, angle adjustment mechanism is connected with the regulation pole, size adjustment mechanism sets up on the chair leg, size adjustment mechanism is connected with flexible leg.

Specifically, size adjustment mechanism includes bracing piece, two fixture blocks and two lead screws, the bracing piece rotates to be installed between two chair legs, two the through-hole has all been seted up on the inner wall of adjustment tank, two equal slidable mounting has the fixture block, two in the through-hole a plurality of draw-in groove has all been seted up to one side of flexible leg, and the fixture block is installed in the draw-in groove that corresponds, and the thread groove has all been seted up to the one end of two fixture blocks, rotates between two chair legs and installs same bracing piece, the equal fixed mounting in both ends of bracing piece has the lead screw, and the lead screw thread is installed in the thread groove that corresponds.

Specifically, angle adjustment mechanism includes bevel gear one, dwang, bevel gear two, control wheel, rack, threaded rod and adjustment disk, one side fixed mounting of adjusting the pole has bevel gear one, the mounting groove has been seted up on the bottom inner wall of fixed slot, the dwang is installed to the mounting groove internal rotation, the top fixed mounting of dwang has bevel gear two, bevel gear two meshes with bevel gear one.

Specifically, fixed mounting has the control wheel on the dwang, slidable mounting has the rack in the mounting groove, the rack meshes with the control wheel, the thread groove has been seted up to the one end of rack, the threaded rod is installed to the thread groove internal thread, the threaded rod screw thread is installed in the thread groove, the one end fixed mounting of threaded rod has the adjustment disk, the adjustment disk rotates the one side of installing at the chair leg.

Specifically, an auxiliary groove is formed in the inner wall of the through hole, an auxiliary block is fixedly mounted on the clamping block, and the auxiliary block is slidably mounted in the auxiliary groove.

Specifically, a sliding groove is formed in the inner wall of one side of the mounting groove, a sliding block is fixedly mounted on one side of the rack, and the sliding block is slidably mounted in the sliding groove.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the utility model discloses a collapsible retractable dining chair can carry out the quick adjustment to the use form of dining chair, and convenient folding and receive and release use more conveniently.

(2) The utility model discloses a collapsible retractable dining chair can easily adjust the use size, can satisfy different user demands.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings in the following description are illustrative only, and that the structures, proportions, sizes, and other elements shown in the drawings are incorporated herein by reference in their entirety for all purposes in the present disclosure, which are not intended to limit the scope of the invention, but rather are to be construed as being within the spirit and scope of the invention.

Fig. 1 is a schematic perspective view of a foldable retractable dining chair according to the present invention;

fig. 2 is a schematic front view of the foldable retractable dining chair of the present invention;

fig. 3 is a schematic structural view of part a of a foldable retractable dining chair according to the present invention;

fig. 4 is a schematic structural view of part B of a foldable retractable dining chair according to the present invention.

In the figure: 1. a chair leg; 2. a chair plate; 3. a telescopic leg; 4. a base plate; 5. adjusting a rod; 6. a chair back; 7. a first bevel gear; 8. rotating the rod; 9. a second bevel gear; 10. a control wheel; 11. a rack; 12. a threaded rod; 13. an adjusting disk; 14. a support bar; 15. a clamping block; 16. and a screw rod.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a foldable and retractable dining chair comprises four chair legs 1, a chair plate 2, four telescopic legs 3, two adjusting rods 5 and a chair back 6, wherein the chair plate 2 is fixedly arranged between the four chair legs 1, the bottom ends of the four chair legs 1 are respectively provided with an adjusting groove, the telescopic legs 3 are slidably arranged in the corresponding adjusting grooves, the bottom ends of the four telescopic legs 3 are respectively and fixedly provided with a backing plate 4, the top parts of two of the four chair legs 1 are respectively provided with a fixing groove, the two fixing grooves are respectively and rotatably provided with an adjusting rod 5, the top ends of the two adjusting rods 5 are respectively and fixedly connected with the chair back 6, a supporting rod 14 is rotatably arranged between the two chair legs 1, the inner walls of the two adjusting grooves are respectively provided with a through hole, a clamping block 15 is respectively and slidably arranged in the two through holes, one side of the two telescopic legs 3 is respectively provided with a plurality of clamping grooves, the fixture blocks 15 are arranged in the corresponding clamping grooves, one end of each fixture block 15 is provided with a thread groove, the same support rod 14 is rotatably arranged between the two chair legs 1, two ends of each support rod 14 are fixedly provided with screw rods 16, and the screw rods 16 are arranged in the corresponding thread grooves in a threaded manner;

one side fixed mounting of adjusting pole 5 has bevel gear 7, the mounting groove has been seted up on the bottom inner wall of fixed slot, dwang 8 is installed to the mounting groove internal rotation, the top fixed mounting of dwang 8 has bevel gear two 9, bevel gear two 9 and bevel gear 7 mesh, fixed mounting has control wheel 10 on the dwang 8, slidable mounting has rack 11 in the mounting groove, rack 11 meshes with control wheel 10, the thread groove has been seted up to the one end of rack 11, thread groove internally thread installs threaded rod 12, threaded rod 12 threaded mounting is in the thread groove, the one end fixed mounting of threaded rod 12 has adjusting disk 13, adjusting disk 13 rotates the one side of installing at chair leg 1.

In this embodiment, the spout has been seted up on the one side inner wall of mounting groove, and one side fixed mounting of rack 11 has the slider, and slider slidable mounting is in the spout, drives the slider and slides in the spout when rack 11 removes, stability when can stabilizing rack 11 and remove.

In this embodiment, seted up the auxiliary groove on the inner wall of through-hole, fixed mounting has the auxiliary block on fixture block 15, and auxiliary block slidable mounting is in the auxiliary groove, and fixture block 15 drives the auxiliary block and slides in the auxiliary groove when removing, can promote the stability when fixture block 15 removes.

In this embodiment, the support rod 14 is rotated, the support rod 14 drives the two screw rods 16 to rotate, the screw rods 16 drive the corresponding fixture blocks 15 to move, the fixture blocks 15 slide out of the corresponding slots, so as to remove the fixing restriction of the chair legs 1, the chair legs 1 are moved, the chair plate 2 and the chair back 6 are driven by the chair legs 1 to move together, so that the chair legs 1 move on the telescopic legs 3, so as to adjust the overall use size of the dining chair, after the support rod 14 is reversed, the screw rods 16 drive the fixture blocks 15 to reset, the fixture blocks 15 are inserted into the other slots, so as to fix the chair legs 1 on the telescopic legs 3, the adjusting disc 13 is rotated, the adjusting disc 13 drives the screw rods 16 to rotate, the screw rods 16 drive the racks 11 to move, the racks 11 drive the control wheel 10 to rotate, the control wheel 10 drives the rotation rod 8 to rotate, the rotation rod 8 drives the bevel gear two 9 to rotate, the bevel gear two 9 drives the bevel gear one 7 to rotate, the bevel gear one 7 drives the adjusting rod 5 to rotate, the adjusting rod 5 drives the chair back 6 to rotate, and the chair back 6 can be rotated and folded, so that the folding and unfolding are convenient.

The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses a dining chair function is comprehensive, can adjust use size and use form, and the regulation step is simple and convenient, and it is very convenient to use.

Claims (6)

1. A foldable and retractable dining chair is characterized by comprising four chair legs (1), a chair plate (2), four telescopic legs (3), two adjusting rods (5), a chair back (6), an angle adjusting mechanism and a size adjusting mechanism, wherein the chair plate (2) is fixedly arranged between the four chair legs (1), the bottom ends of the four chair legs (1) are respectively provided with an adjusting groove, the telescopic legs (3) are slidably arranged in the corresponding adjusting grooves, the bottom ends of the four telescopic legs (3) are respectively and fixedly provided with a backing plate (4), the top parts of two of the four chair legs (1) are respectively provided with a fixing groove, the two fixing grooves are respectively and rotatably provided with an adjusting rod (5), the top ends of the two adjusting rods (5) are respectively and fixedly connected with the chair back (6), the angle adjusting mechanism is arranged on the chair legs (1), and the angle adjusting mechanism is connected with the adjusting rods (5), the size adjusting mechanism is arranged on the chair legs (1) and is connected with the telescopic legs (3).

2. The foldable retractable dining chair according to claim 1, wherein the size adjusting mechanism comprises a support rod (14), two clamping blocks (15) and two screw rods (16), the support rod (14) is rotatably installed between the two legs (1), through holes are formed in the inner walls of the two adjusting grooves, the clamping blocks (15) are slidably installed in the through holes, a plurality of clamping grooves are formed in one sides of the two telescopic legs (3), the clamping blocks (15) are installed in the corresponding clamping grooves, thread grooves are formed in one ends of the two clamping blocks (15), the same support rod (14) is rotatably installed between the two legs (1), the screw rods (16) are fixedly installed at the two ends of the support rod (14), and the screw rods (16) are threadedly installed in the corresponding thread grooves.

3. The foldable and retractable dining chair according to claim 2, wherein the angle adjusting mechanism comprises a first bevel gear (7), a rotating rod (8), a second bevel gear (9), a control wheel (10), a rack (11), a threaded rod (12) and an adjusting disc (13), the first bevel gear (7) is fixedly mounted on one side of the adjusting rod (5), a mounting groove is formed in the inner wall of the bottom of the mounting groove, the rotating rod (8) is rotatably mounted in the mounting groove, the second bevel gear (9) is fixedly mounted at the top end of the rotating rod (8), and the second bevel gear (9) is meshed with the first bevel gear (7).

4. A foldable and extendible dining chair according to claim 3, wherein the control wheel (10) is fixedly mounted on the rotating rod (8), the rack (11) is slidably mounted in the mounting groove, the rack (11) is meshed with the control wheel (10), a thread groove is formed in one end of the rack (11), a threaded rod (12) is mounted in the thread groove, the threaded rod (12) is threadedly mounted in the thread groove, an adjusting disc (13) is fixedly mounted at one end of the threaded rod (12), and the adjusting disc (13) is rotatably mounted at one side of the chair leg (1).

5. A foldable and collapsible dining chair according to claim 2 wherein the through holes have complementary grooves formed in the inner walls thereof, and complementary blocks are fixedly mounted on the clips (15) and slidably mounted in the complementary grooves.

6. A foldable and collapsible dining chair according to claim 4, wherein the mounting groove is provided with a sliding groove on one side of the inner wall, and the rack (11) is fixedly provided with a sliding block on one side thereof, and the sliding block is slidably mounted in the sliding groove.

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