CN215532987U - Dining chair convenient to change cushion - Google Patents

Abstract

The utility model belongs to the field of dining chairs, and particularly relates to a dining chair with a seat convenient to replace, which comprises a chair surface, a seat cushion block, a chair back and chair legs; the chair comprises a chair surface, a chair back, a seat cushion block, chair legs and a connecting mechanism, wherein the chair back is arranged on the left side of the chair surface; the connecting mechanism comprises a connecting block, a connecting groove, a limiting block, a connecting plate, an inserting rod, a sleeve groove and a tension spring, the connecting block is fixedly connected to the right side of the bottom end of the cushion block, the connecting groove is formed in the right side of the top end of the cushion block, the connecting block is sleeved in the connecting groove, the limiting groove is formed in the connecting groove, the limiting block is clamped with the limiting groove, one side, away from the limiting groove, of the limiting block penetrates through the cushion block and extends to the outer side of the cushion block, and the connecting plate is fixedly connected with one side, away from the limiting groove, of the limiting block; the effect of conveniently replacing the cushion block is achieved through the connecting mechanism.

Description

Dining chair convenient to change cushion

Technical Field

The utility model relates to the field of dining chairs, in particular to a dining chair with a seat convenient to replace.

Background

The dining chair is a chair specially used for dining, is commonly matched with a dining table for use, and can be divided into a solid wood chair, a steel-wood chair, a metal chair and a plastic chair according to materials.

The existing dining chair is improved from the original single chair for a long time, and the chair with the cushion can make people feel more comfortable when sitting.

Most of the existing dinning chairs are inconvenient to replace, the cushions are difficult to avoid being stained after long-time use, the existing dinning chairs and the cushions are of an integrated structure, the cushions cannot be disassembled, cleaned and replaced, and the cushions can be replaced together with the whole seat when being replaced, so that resources are greatly wasted; therefore, the dining chair convenient for replacing the seat cushion is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art and solve the problem that most of the cushions of the prior dining chair are inconvenient to replace, the utility model provides a dining chair with the cushions convenient to replace.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the dining chair convenient for replacing the cushion comprises a chair surface, a cushion block, a chair back and chair legs; the chair comprises a chair surface, a chair back, a seat cushion block, chair legs and a connecting mechanism, wherein the chair back is arranged on the left side of the chair surface; coupling mechanism includes connecting block, spread groove, spacing groove, stopper, connecting plate, inserted bar, race and extension spring, connecting block fixed connection is on the right side of sitting cushion piece bottom, the right side on cushion piece top is seted up to the spread groove, and the inside cover of spread groove is equipped with the connecting block, the spacing groove is seted up on the spread groove, stopper and spacing groove block, and the stopper is kept away from one side of spacing groove and is run through to sit the cushion and extend to the outside of sitting the cushion, one side fixed connection of spacing groove is kept away from with the stopper to the connecting plate, the both ends all fixedly connected with inserted bar of connecting plate, and the inserted bar inserts the inside of establishing at the race, the race is seted up on sitting the cushion, the extension spring sets up in the inside of race, plays the effect that the cushion was changed to sitting through coupling mechanism.

Preferably, one side of the connecting plate far away from the limiting block is fixedly connected with a pulling handle, the outer side of the pulling handle is sleeved with a rubber sleeve, and the rubber sleeve is sleeved on the outer side of the pulling handle to achieve the effect of enabling people to feel more comfortable when the pulling handle is pulled.

Preferably, fixedly connected with slider on the inserted bar, and slider sliding connection is in the inside of spout, the spout is seted up in the inside of cover groove, plays the effect that reduces the frictional force between inserted bar and the cover inslot wall through the effect of slider and spout combination, makes the inserted bar more smooth and easy when removing.

Preferably, the back of the chair all is provided with leveling mechanism with the bottom of chair foot, leveling mechanism includes that nut, screw rod, loop bar, cover establish chamber, movable block and activity groove, the nut passes through bearing swing joint in the bottom of the back of the chair with the chair foot, screw rod threaded connection is in the inboard of nut, the loop bar is provided with four groups, and four groups the loop bar is fixed connection respectively in the bottom of the back of the chair and chair foot, the cover is established the chamber and is seted up in the inside of screw rod, and the cover establishes the inside cover in chamber and be equipped with the loop bar, movable block fixed connection is in the bottom of loop bar, and the inside at the activity groove of movable block sliding connection, the activity groove is seted up and is established the both sides of intracavity portion, plays the convenience through leveling mechanism and levels the effect to the chair foot.

Preferably, the outer side of the nut is glued with an anti-slip sleeve, the anti-slip sleeve is made of rubber, the outer side of the anti-slip sleeve is provided with anti-slip threads, and the anti-slip sleeve is prevented from slipping when rotating.

Preferably, the bottom fixedly connected with foot pad piece of screw rod, and the callus on the sole piece is the plastics material, plays the effect of the wearability of reinforcing screw rod bottom through the effect of the callus on the sole piece that uses the plastics material, prevents that the screw rod from producing wearing and tearing because of direct and ground between the contact.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the connecting mechanism, the function of conveniently replacing the sitting cushion blocks is realized, the pull handle is pulled to drive the limiting blocks to move, so that the limiting blocks are disengaged from the limiting grooves, the limiting effect on the connecting blocks is relieved, the connection between the sitting cushion blocks and the chair surface is relieved at the moment, and the cushion blocks can be taken down, so that the problem that most of the cushions of the existing dining chair are inconvenient to replace is solved, and the sitting cushion blocks are convenient to replace and clean;

2. according to the utility model, through the structural design of the leveling mechanism, the function of leveling the chair is realized, the screw rod in threaded connection with the nut is moved by rotating the nut, one corner of the dining chair is lifted upwards, or one corner of the dining chair is settled downwards, so that the effect of leveling the dining chair is achieved, people feel more comfortable when sitting on the dining chair, the problems of inclination and shaking caused by uneven ground of the existing dining chair are solved, and the adaptability of the dining chair to the ground is improved.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is an enlarged structural diagram of the first embodiment at B in FIG. 3;

FIG. 5 is an enlarged structural view of the first embodiment at C in FIG. 2;

FIG. 6 is a schematic structural diagram of a front cross-section in the second embodiment;

fig. 7 is a schematic structural diagram of a partial front cross section in the second embodiment.

In the figure: 1. a chair surface; 2. sitting on a cushion block; 3. a chair back; 41. connecting blocks; 42. connecting grooves; 43. a limiting groove; 44. a limiting block; 45. a connecting plate; 46. pulling a handle; 47. inserting a rod; 48. sleeving a groove; 49. a tension spring; 410. a slider; 411. a chute; 412. inserting a block; 413. a slot; 414. a clamping block; 415. a card slot; 5. chair legs; 61. a nut; 62. an anti-slip sleeve; 63. a screw; 64. a foot pad; 65. a loop bar; 66. sleeving the cavity; 67. a movable block; 68. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, a dining chair with easy-to-replace seat cushion comprises a seat surface 1, a seat cushion block 2, a chair back 3 and chair legs 5; a chair back 3 is arranged on the left side of the chair surface 1, a cushion block 2 is arranged at the top end of the chair surface 1, chair legs 5 are arranged on the right side of the chair surface 1, and a connecting mechanism is arranged between the chair surface 1 and the cushion block 2; the connecting mechanism comprises a connecting block 41, a connecting groove 42, a limiting groove 43, a limiting block 44, a connecting plate 45, an inserting rod 47, a sleeve groove 48 and a tension spring 49, the connecting block 41 is fixedly connected to the right side of the bottom end of the sitting cushion block 2, the connecting groove 42 is formed in the right side of the top end of the sitting cushion block 2, the connecting block 41 is sleeved inside the connecting groove 42, the limiting groove 43 is formed in the connecting groove 42, the limiting block 44 is clamped with the limiting groove 43, one side, far away from the limiting groove 43, of the limiting block 44 penetrates through the sitting cushion block 2 and extends to the outer side of the sitting cushion block 2, the connecting plate 45 is fixedly connected with one side, far away from the limiting groove 43, of the limiting block 44, the two ends of the connecting plate 45 are fixedly connected with the inserting rod 47, the inserting rod 47 is inserted into the sleeve groove 48, the sleeve groove 48 is formed in the sitting cushion block 2, and the tension spring 49 is arranged inside the sleeve groove 48;

when the seat cushion block 2 is to be installed, the pull handle 46 is firstly pulled, then the connecting block 41 is inserted into the connecting groove 42, the pull handle 46 is loosened, the inserting rod 47 restores the original position under the action of the reducing force of the pull spring 49 and drives the limiting block 44 to restore the original position synchronously through the connecting plate 45, the limiting block 44 is clamped with the limiting groove 43, the connecting block 41 is limited, and the chair surface 1 is connected with the seat cushion block 2.

A pull handle 46 is fixedly connected to one side of the connecting plate 45 away from the limiting block 44, and a rubber sleeve is sleeved on the outer side of the pull handle 46;

when the seat cushion block 2 needs to be detached during working, the pull handle 46 is pulled firstly to drive the limiting block 44 to move through the connecting plate 45, and the rubber sleeve is sleeved outside the pull handle 46 to achieve the effect of enabling people to feel more comfortable when pulling the pull handle 46.

The insert rod 47 is fixedly connected with a slide block 410, the slide block 410 is connected to the inside of a slide groove 411 in a sliding manner, and the slide groove 411 is formed in the sleeve groove 48;

during operation, the effect of reducing the frictional force between the inserted link 47 and the inner wall of the sleeve groove 48 is achieved through the combined effect of the sliding block 410 and the sliding groove 411, so that the inserted link 47 is smoother during movement, and the inserted link 47 is prevented from being blocked due to overlarge frictional force between the inserted link 47 and the inner wall of the sleeve groove 48 during movement.

The bottom ends of the chair back 3 and the chair legs 5 are provided with leveling mechanisms, each leveling mechanism comprises a nut 61, a screw 63, a sleeve rod 65, a sleeve-arranged cavity 66, a movable block 67 and a movable groove 68, the nut 61 is movably connected to the bottom ends of the chair back 3 and the chair legs 5 through bearings, the screw 63 is in threaded connection with the inner side of the nut 61, the sleeve rods 65 are provided with four groups, the four groups of sleeve rods 65 are respectively and fixedly connected to the bottom ends of the chair back 3 and the chair legs 5, the sleeve-arranged cavity 66 is arranged in the screw 63, the sleeve rods 65 are sleeved in the sleeve-arranged cavity 66, the movable blocks 67 are fixedly connected to the bottom ends of the sleeve rods 65, the movable blocks 67 are in the movable grooves 68 in a sliding connection mode, and the movable grooves 68 are arranged on two sides of the sleeve-arranged in the cavity 66;

when the dining chair is in operation, when the whole dining chair is to be leveled, firstly, the nut 61 is rotated to enable the screw 63 in threaded connection with the nut 61 to move and drive the foot gasket 64 to move synchronously, one corner of the dining chair is jacked upwards or one corner of the dining chair is settled downwards, and the effect of leveling the dining chair is achieved.

An anti-slip sleeve 62 is glued on the outer side of the nut 61, the anti-slip sleeve 62 is made of rubber, and anti-slip threads are formed on the outer side of the anti-slip sleeve 62;

in operation, the anti-slip sleeve 62 is used to prevent slipping when the anti-slip sleeve 62 is rotated.

A foot pad 64 is fixedly connected to the bottom end of the screw 63, and the foot pad 64 is made of plastic;

during operation, the effect of the callus on the sole piece 64 through using the plastics material plays the effect of the wearability of reinforcing screw rod 63 bottom, prevents that screw rod 63 from producing wearing and tearing because of directly contacting between with ground.

Example two

Referring to fig. 6 to 7, in a first comparative example, as another embodiment of the present invention, an insertion block 412 is fixedly connected to a bottom end of a left side of the seat cushion block 2, the insertion block 412 is inserted into an insertion groove 413, the insertion groove 413 is disposed at the left side of a top end of the seat cushion block 2, two sides of the insertion block 412 are both glued with a fixture block 414, the fixture block 414 is fastened with a fixture groove 415, the fixture groove 415 is disposed at two sides of the insertion groove 413, and the fixture block 414 is made of rubber; during operation, when connecting block 41 is in the inside of inserting the connecting groove 42, the inside of slot 413 is inserted in step to inserted block 412, the inner wall of slot 413 produces the extrusion to fixture block 414 when inserted block 412 inserts, make fixture block 414 produce elastic deformation, after inserted block 412 inserts the inside of slot 413 completely, the inner wall of slot 413 disappears to the extrusion force of fixture block 414, fixture block 414 resumes and blocks with draw-in groove 415 under the effect of self restoring force this moment, play and carry out the effect of auxiliary fastening to cushion block 2, prevent that cushion block 2 from producing on seat 1 and rocking.

The working principle is as follows: when the cushion block 2 is to be disassembled, the pull handle 46 is pulled to drive the limit block 44 to move through the connecting plate 45, so that the limit block 44 is released from being clamped with the limit groove 43, at the moment, the limit effect of the limit block 44 on the connecting block 41 is released, the cushion block 2 can be disassembled by pulling the cushion block 2 upwards, the plunger 47 fixedly connected to the connecting plate 45 is also moved synchronously inside the sleeve groove 48 when the pull knob 46 is pulled, and pulls the tension spring 49 to generate elastic deformation, when the cushion block 2 is to be installed, the pull handle 46 is pulled first, then the connecting block 41 is inserted into the connecting groove 42, the pull handle 46 is loosened, the inserting rod 47 is restored under the action of the restoring force of the tension spring 49 and drives the limiting block 44 to be synchronously restored through the connecting plate 45, so that the limiting block 44 is clamped with the limiting groove 43, the connecting block 41 is limited, and the seat surface 1 is connected with the cushion block 2.

When the whole dining chair is to be leveled, firstly, the nut 61 is rotated to enable the screw 63 in threaded connection with the nut 61 to move and drive the foot gasket 64 to move synchronously, one corner of the dining chair is jacked upwards or one corner of the dining chair is settled downwards, the effect of leveling the dining chair is achieved, when the screw 63 moves, the movable block 67 fixedly connected to the bottom end of the loop bar 65 slides in the movable groove 68 along with the movement of the screw 63, and the effect of limiting the moving distance of the screw 63 is achieved through the combined effect of the movable block 67 and the movable groove 68.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. 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.

Claims (6)

1. A dining chair convenient for replacing a cushion is characterized in that: comprises a chair surface (1), a cushion block (2), a chair back (3) and chair legs (5); a chair back (3) is arranged on the left side of the chair surface (1), a cushion block (2) is arranged at the top end of the chair surface (1), chair legs (5) are arranged on the right side of the chair surface (1), and a connecting mechanism is arranged between the chair surface (1) and the cushion block (2);

the connecting mechanism comprises a connecting block (41), a connecting groove (42), a limiting groove (43), a limiting block (44), a connecting plate (45), an inserting rod (47), a sleeve groove (48) and a tension spring (49), wherein the connecting block (41) is fixedly connected to the right side of the bottom end of the sitting cushion block (2), the connecting groove (42) is formed in the right side of the top end of the sitting cushion block (2), the connecting block (41) is sleeved inside the connecting groove (42), the limiting groove (43) is formed in the connecting groove (42), the limiting block (44) is clamped with the limiting groove (43), one side, away from the limiting groove (43), of the limiting block (44) penetrates through the sitting cushion block (2) and extends to the outer side of the sitting cushion block (2), one side, away from the limiting groove (43), of the connecting plate (45) and the limiting block (44) is fixedly connected, and the two ends of the connecting plate (45) are fixedly connected with the inserting rod (47), and the inserted bar (47) is inserted in the sleeve groove (48), the sleeve groove (48) is arranged on the cushion block (2), and the tension spring (49) is arranged in the sleeve groove (48).

2. A dining chair with easy-to-replace seat as claimed in claim 1, wherein: one side of the connecting plate (45) far away from the limiting block (44) is fixedly connected with a pull handle (46), and the outer side of the pull handle (46) is sleeved with a rubber sleeve.

3. A dining chair with easy-to-replace seat cushion as claimed in claim 2, wherein: fixedly connected with slider (410) on inserted bar (47), and slider (410) sliding connection is in the inside of spout (411), the inside in cover groove (48) is seted up in spout (411).

4. A dining chair with easy-to-replace seat cushion as claimed in claim 3, wherein: the bottom ends of the chair back (3) and the chair legs (5) are provided with leveling mechanisms, each leveling mechanism comprises a nut (61), a screw rod (63), a loop bar (65), a sheathing cavity (66), a movable block (67) and a movable groove (68), the nut (61) is movably connected with the bottom ends of the chair back (3) and the chair legs (5) through a bearing, the screw rod (63) is in threaded connection with the inner side of the nut (61), four groups of loop bars (65) are arranged, and four groups of loop bars (65) are respectively and fixedly connected with the bottom ends of the chair back (3) and the chair legs (5), the loop cavity (66) is arranged in the screw rod (63), a sleeve rod (65) is sleeved in the sleeve cavity (66), the movable block (67) is fixedly connected with the bottom end of the sleeve rod (65), and the movable block (67) is connected in the movable groove (68) in a sliding manner, and the movable groove (68) is arranged at two sides of the inner part of the sleeving cavity (66).

5. A dining chair with easy-to-replace seat cushion as claimed in claim 4, wherein: the anti-skidding nut is characterized in that an anti-skidding sleeve (62) is glued to the outer side of the nut (61), the anti-skidding sleeve (62) is made of rubber, and anti-skidding threads are formed in the outer side of the anti-skidding sleeve (62).

6. A dining chair with easy-to-replace seat cushion as claimed in claim 5, wherein: the bottom end of the screw rod (63) is fixedly connected with a foot gasket (64), and the foot gasket (64) is made of plastic.

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