CN209825912U - Leg rest pillow of chair - Google Patents

Abstract

The utility model relates to a footrest pillow of chair, which comprises a bottom shell and an upper cover from bottom to top, wherein the upper cover and the bottom shell are vertically involutory and are clamped and matched; the utility model discloses with drain pan and upper cover joint cooperation, the upper cover is used for contacting with human foot or shank for can hide or not use the screw. Furthermore, the bottom shell and the upper cover are fixed in a clamping mode through the inverted teeth and the assembling holes, so that the screws can be hidden inside and cannot be exposed outside.

Description

Leg rest pillow of chair

Technical Field

The utility model relates to a chair, in particular to a leg rest pillow of a chair.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. At present, the working pressure of the society is high, the work is heavy, and therefore higher requirements are put forward for the comfort of office chairs.

The utility model patent of the utility model for "CN 201621377381.6" discloses a bracket portion of chair, including rocking plate and bracket pillow, the rocking plate is articulated with the bracket pillow, and the bracket pillow is provided with buffer gear around the pin joint at vertical planar internal rotation on the bracket pillow, when the bracket pillow rotates to press close to the rocking plate certain distance, this buffer gear and the buffering of rocking plate contact. Through set up buffer gear on putting the foot rest pillow, put the foot on putting the foot rest pillow after, can make and put the foot rest pillow and rotate around the pin joint, when putting the foot rest pillow and rotate to certain angle, buffer gear's lower extreme and rocking plate contact from making the foot rest pillow possess good shock-absorbing capacity, the protection human foot.

The foot rest part and the foot rest pillow are composed of the bottom shell and the end cover, the bottom shell is generally connected with the end cover through screws, and therefore screw heads can be exposed outside, attractiveness is affected, and product grade is reduced.

Disclosure of Invention

The utility model provides a can make things convenient for drain pan and upper cover to be connected according to above-mentioned prior art not enough, provide one kind, can not expose the bracket pillow of screw again.

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

the leg rest pillow of the chair comprises a bottom shell and an upper cover from bottom to top, wherein the upper cover and the bottom shell are vertically combined and clamped and matched.

Through cooperating drain pan and upper cover joint for can hide or not use the screw, the upper cover is used for contacting with human foot or shank.

Preferably, the upper end of the bottom shell is open, a plurality of mounting columns are arranged in the bottom shell, inverted teeth are fixedly arranged at the upper ends of the mounting columns, and a plurality of assembling holes matched with the mounting columns are formed in the bottom surface of the upper cover; after the upper cover is buckled with the bottom shell, the inverted teeth are clamped into the assembly holes to realize clamping fit. The assembly is convenient, and the clamping connection between the inverted teeth and the assembly holes is utilized. Through pawl and pilot hole joint cooperation, realize the cooperation of being connected of drain pan and upper cover, including this kind of connection structure sets up between upper cover and drain pan, hide, make the outside more pleasing to the eye when realizing connecting again.

Preferably, a steel buckle is fixed on each mounting column through a screw, a hole is formed in the middle of each steel buckle for the screw to pass through, and the inverted teeth are distributed on the periphery of each steel buckle. The steel buckle and the inverted tooth are fixed in the mode, and meanwhile, the screw is hidden inside and cannot be exposed outside.

Preferably, the steel buckle is a steel sheet with the periphery extending downwards. Therefore, the upper cover can be conveniently clamped into the assembly hole when being pressed down.

Preferably, the bottom shell and the upper cover are both made of plastic materials.

Preferably, the device also comprises a soft cushion, and the soft cushion covers the upper end of the upper cover. This makes the human foot or leg more comfortable when in contact.

Preferably, the shape and size of the cushion are matched with those of the upper cover.

Preferably, the soft pad is adhered to the upper surface of the upper cover, and after the soft pad and the upper cover are wrapped by the covering cloth, the edge of the covering cloth is gathered at the inner side of the periphery of the lower surface of the upper cover. The soft pad is wrapped by the covering cloth after being bonded with the upper cover to form a whole body, so that the arrangement is convenient, and the soft pad is conveniently connected with the bottom shell.

Preferably, the periphery of the soft cushion is fixedly connected with the upper cover by gun nails.

Preferably, the soft cushion is a sponge. The sponge is easy to obtain materials and low in cost.

Preferably, the thickness of the bottom shell, the upper cover and the soft pad combined together is 25-38 cm. Therefore, the leg rest pillow is thinner and smoother and is beneficial to storage.

Preferably, the thickness of the bottom shell, the upper cover and the soft pad combined together is 28-35 cm.

Preferably, a substantially horizontal base area is arranged on the bottom surface of the bottom shell, the width of the base area in the left-right direction is smaller than the whole width of the bottom shell, and the length of the base area in the front-back direction is smaller than the whole length of the bottom shell; a first arc-shaped transition area is formed between the left side and the right side of the base area and the left side and the right side of the bottom shell, and a second arc-shaped transition area is formed between the front side of the base area and the front side of the bottom shell. Therefore, the edges and corners can be eliminated as much as possible, and the leg rest pillow is integrated with the lower bottom plate or the cover of the chair.

Preferably, a groove is formed on the bottom surface of the bottom shell, and the groove forms a handle. Therefore, the leg rest pillow can be conveniently drawn.

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

the utility model discloses with drain pan and upper cover joint cooperation, the upper cover is used for contacting with human foot or shank for can hide or not use the screw.

Furthermore, the bottom shell and the upper cover are fixed in a clamping mode through the inverted teeth and the assembling holes, so that the screws can be hidden inside and cannot be exposed outside.

Drawings

Fig. 1 is a schematic structural view of an office chair in embodiment 1.

Fig. 2 is a schematic view of the seat, chassis, lower plate and footrest in their configuration (expanded state).

Fig. 3 is a side structural view of the office chair.

Fig. 4 is a schematic structural view (folded state) of the seat, chassis, lower plate and footrest.

Figure 5 is a schematic view of the fit between the seat, chassis, lower plate, leg rest and back rest.

Figure 6 is a schematic view of the seat, chassis, lower plate and leg rest in combination.

Fig. 7 is a schematic structural view of the inner tube and the slider.

FIG. 8 is a schematic view of the inner tube, slider, base plate and bottom shell.

Fig. 9 is a structural schematic view of the inner tube and the foot rest.

Fig. 10 is a schematic structural view of the foot rest portion.

Fig. 11 is a schematic view of a combination structure of the substrate and the bottom case.

Fig. 12 is a schematic view of a disassembled structure of the bottom case and the upper cover.

FIG. 13 is a schematic view of the mating of the base plate, tension spring and bottom shell;

fig. 14 is a schematic view of the bottom structure of the office chair in embodiment 2.

The labels in the figure are as follows:

the seat comprises a base 1, a telescopic air rod 2, a chassis 3, a seat 4, a leg rest adjusting mechanism 5, a leg rest 6, a lower base plate 7, a backrest 8, a first accommodating area 24, a second accommodating area 9, armrests 10, a plate-shaped portion 71, a shielding portion 72, a baffle plate 73, an avoiding groove 721, an outer pipe 51, an inner pipe 52, a base plate 61, a bottom shell 62, an upper cover 63, a soft cushion 64, a transverse plate 611, an ear plate 612, a first hook 613, a second hook 621, a tension spring 65, a sliding groove 521 and a sliding block 522.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to the drawings. The positioning of the direction in this embodiment is based on the determination of the orientation of a person when the person is normally seated on the chair. The direction that the human body faces at this moment is taken as the front, the direction that the human body backs to is taken as the back, the left side of the human body is taken as the left, the right side of the human body is taken as the right, the upper part in the vertical direction is the upper part, and the lower part in the vertical direction is the lower part. In the embodiment, the leg rest adjusting mechanism and the front end and the rear end of the lower bottom plate are defined by referring to the directions; for example, the front end of the leg rest adjusting mechanism refers to the front end of the inner tube, and the rear end of the leg rest adjusting mechanism refers to the rear end of the outer tube.

Example 1: as shown in fig. 1 to 13, a chair, that is, an office chair, includes a backrest 8, a seat 4 and a seat support assembly 21, where the seat support assembly 21 includes a chassis 3, a base 1 and a support rod 2 vertically arranged at the center of the base 1, and the upper end of the support rod 2 is connected to the chassis 3; specifically, the support rod 2 can be a telescopic air rod, and the base 1 is a five-star foot with casters. The chassis 3 is matched with the self-adaptive wire control, has self-adaptive function, and people with different weights can feel similar, thereby avoiding the trouble of manually adjusting the spring. The wire control mode is more man-machine, and the operation is convenient. The chassis has a four-gear locking function, the backrest can be freely locked in the maximum leaning state, and the backrest has four different angles to be selected, so that more comfortable feeling can be provided.

The seat 4 comprises: the cushion comprises an upper bottom plate 22 used for connecting a cushion 23 and a lower bottom plate 7 positioned below the upper bottom plate 22, wherein the upper bottom plate 22 is a wood plate, and the lower bottom plate 7 is made of plastic or PP material; the upper bottom plate 22 and the lower bottom plate 7 are vertically aligned and connected through fasteners, and the fasteners adopt screws; as shown in fig. 5 and 6, the middle of the lower plate 7 is concave to form a first accommodating area 24, two sides of the first accommodating area 24 form downward convex shielding portions 72, the front and the back of the first accommodating area 24 are both communicated with the outside, and the chassis 3 is wholly or partially arranged in the first accommodating area 24.

The top surface of the first accommodating area 24 forms a plate-shaped part 71, and the plate-shaped part 71 and the shielding part 72 are integrally formed; furthermore, the thickness of the plate-shaped part 71 is 4mm-5mm, and the thickness of the shielding part 72 is 22mm-26 mm. The plate-shaped part 71 is attached to the upper bottom plate 22, and the chassis 3 penetrates through the plate-shaped part 71 at four corner positions through screws and is connected with the upper bottom plate 22; after the installation, the chassis 3 can be completely or partially hidden in the shielding part 72, only a small part of the lower end of the chassis 3 is exposed outside when viewed from the side, even when the shielding part 72 protrudes downwards enough, the chassis 3 can be completely shielded, and people can not see the chassis when standing on the side and looking downwards, so that the aesthetic degree is improved.

The shielding parts 72 respectively extend towards the left side and the right side of the seat 4 to form extension areas 25 with arc surfaces, and the thickness of the lower bottom plate 7 is gradually thinned from the shielding parts 72 to the extension areas 25; the office chair further comprises an armrest 10, the armrest 10 is provided with an armrest mounting part 101, an armrest mounting area 26 is formed on the extension area 25, and the armrest mounting part 101 is fixedly arranged in the armrest mounting area 26.

Further, as shown in fig. 9, the office chair further comprises a pull-out type leg rest adjusting mechanism 5 and a leg rest part 6 arranged at the front end of the leg rest adjusting mechanism 5, wherein the leg rest adjusting mechanism 5 is connected with the upper bottom plate 22; as shown in fig. 1 to 6, the length of the lower plate 7 in the front-rear direction is shorter than the entire length of the seat 4, two baffle plates 73 extend forward from the left and right sides of the front end of the lower plate 7, the two baffle plates 73 extend to the front end of the seat 4, and the distance between the two baffle plates 73 is greater than the width of the first accommodating area 24; the front part of the lower bottom plate 7, the space between the two baffle plates 73 and the lower part of the seat 4 exceeding the length of the lower bottom plate 7 jointly form a second accommodating area 9; when the leg rest part 6 is in the folded state, the leg rest part 6 is just hidden in the second accommodating area 9; the advantages of the design are as follows: the shape design of the leg rest part 6 is more diversified, for example, the whole leg rest part 6 can be set to be thin in the front and thick in the back, so that after being inserted into the second accommodating area 9, the leg rest part can be perfectly fused with the lower bottom plate 7 without a sharp feeling; secondly, the handle 100 is arranged on the bottom surface of the leg rest part 6, so that the handle 100 can be touched conveniently and pulled conveniently.

Specifically, as shown in fig. 6, 7, 8 and 9, the footrest adjusting mechanisms 5 are located at the left and right sides of the chassis 3, the footrest adjusting mechanisms 5 include an outer tube 51 and an inner tube 52, the inner tube 52 is located in the outer tube 51 and slides back and forth along the outer tube 51 under the action of external force, and the outer tube 51 is directly or indirectly connected to the bottom surface of the upper bottom plate 22; the foot rest part 6 is connected to the front end of the inner tube 52; in this embodiment, the outer tube 51 is locked on the bottom surface of the upper plate 22 by means of the fixing seat 511 and the screw.

The shielding portion 72 is hollow, an avoiding groove 721 for avoiding the footrest adjusting mechanism 5 is provided in the shielding portion 72, the outer tube 51 of the footrest adjusting mechanism 5 is partially located in the avoiding groove 721, and the front end of the avoiding groove 721 is opened to expose the outer tube 51.

As shown in fig. 10 to 13, the footrest section 6 includes a base plate 61, a bottom case 62, an upper cover 63, and a cushion 64 from bottom to top. The base plate 61 includes a horizontal plate 611 engaged with the inner tube 52 and ear plates 612 symmetrically disposed on both sides of the horizontal plate 611, wherein the ear plates 612 are disposed perpendicular to the horizontal plate 611.

The left side and the right side of the base plate 61 are connected with the two inner pipes 52 through sliders, specifically, the sliders are divided into a first slider 523 and a second slider 522, the inner pipes 52 are hollow, a sliding groove 521 is formed in the pipe wall of the front end of each inner pipe 52, the first slider 523 is arranged in the sliding groove 521, the second slider 522 is matched with the first slider 523 through the sliding groove 521, mounting holes 524 are correspondingly formed in the first slider 523 and the second slider 522, a through hole 525 is formed in a transverse plate 611, the through hole 525 is aligned with the mounting holes 524, a transverse plate 611, the first slider 523 and the second slider 522 are connected together by screwing screws in the through hole 525, and the second slider 522 plays a limiting role, so that the base plate 61 can only slide along the length range of the sliding groove 522 relative to the inner pipes 52.

Grooves 622 for facilitating insertion of the ear plates 612 and avoiding the front part of the inner tube 52 are formed in the left side and the right side of the bottom shell 62, and when the inner tube 52 is in a contracted state, the front part of the inner tube 52 is inserted into the grooves 622; in the front-rear direction, the length of the base plate 61 is less than or equal to one half of the length of the bottom case 62; in the left-right direction, the width of the substrate 61 is two-thirds to four-fifths of the width of the bottom case 62.

In order to make the whole more beautiful, a subsidence area 624 is arranged on the bottom surface of the rear half part of the bottom shell 62, the transverse plate 611 is arranged in the subsidence area 624, and the bottom surface of the transverse plate 611 and the bottom surface of the bottom shell 62 are positioned on the same plane; the ear plate 612 is inserted into the groove 622 and attached to the side wall of the groove 622 and rotatably connected via the rotating shaft 623, so that the bottom case 62 can rotate relative to the base plate 61 around the rotating shaft 623, and the bottom case 62 can rotate around the two rotating shafts 623 in a vertical plane; the rotating shaft 623 can be a screw, and plays a role in connection on one hand and rotation on the other hand.

As shown in fig. 8, a substantially horizontal base area 81 is provided on the bottom surface of the rear half portion of the bottom case 62, the subsidence area 624 is provided in the base area 81, the width of the base area 81 in the left-right direction is smaller than the entire width of the bottom case 62, and the length of the base area 81 in the front-rear direction is smaller than the entire length of the bottom case 62; a first arc-shaped transition area 82 is formed between the left and right sides of the base area 81 and the left and right sides of the bottom case 62, and a second arc-shaped transition area 83 is formed between the front side of the base area 81 and the front side of the bottom case 62. A recess 84 is provided in the bottom surface of the bottom housing 62, said recess 84 forming a catch.

The rotating shaft 623 is arranged at the front end position of the substrate 61, and a tension spring 65 is arranged between the substrate 61 and the bottom shell 62; specifically, a first hook 613 is arranged at the middle position of the rear end of the transverse plate 611, a shell 66 with a sealed upper end and an open lower end is arranged at the middle position of the rear end of the bottom shell 62, a second hook 621 is arranged at the upper end of the shell 66, a tension spring 65 is connected between the first hook 613 and the second hook 621, and the tension spring 65 is hidden in the shell 66; when a user puts feet on the foot placing part 6, as shown in fig. 13, the bottom case 62 rotates by a certain angle under stress, and a tension spring is arranged between the base plate 61 and the bottom case 62, so that a certain buffering effect is achieved, the feet are more comfortable, and a proper position for placing is found on the premise of comfort; bottom shell 62 may be automatically repositioned after the foot is removed.

The soft pad 64 is glued with the upper surface of the upper cover 63, after the soft pad 64 and the upper cover 63 are wrapped by the covering cloth, the edge of the covering cloth is fixed by a gun nail, and the assembly of the soft pad 64 and the upper cover 63 is completed; the soft cushion 64 can be made of sponge with a certain thickness, the upper cover 63 is made of plastic or PP materials, and the shape and the size of the soft cushion 64 are matched with those of the upper cover 63.

As shown in fig. 10 and 12, the assembly process of the upper cover 63 and the bottom case 62 is as follows: a plurality of mounting posts 67 are arranged in the bottom shell 62, and a steel buckle 68 is fixed on each mounting post 67 through a screw 677; the steel buckle 68 is a steel sheet with the periphery extending downwards and the periphery distributed with inverted teeth 69, and a hole 688 is formed in the middle of the steel buckle 68 for a screw to pass through; a plurality of assembling holes 70 matched with the mounting posts 67 are formed on the bottom surface of the upper cover 63; the fitting hole 70 of the upper cover 63 is aligned with the mounting post 67, and the steel clip 68 is pressed downward to enter the fitting hole 70, so that the upper cover 63 cannot be pulled out due to the inverted teeth, and thus, the assembly of the upper cover 63 and the bottom case 62 is completed.

Example 2: as shown in fig. 14, the length of the lower plate 7 in the front-rear direction is shorter than the entire length of the seat 4, and a second receiving area 9 is formed in front of the lower plate 7 and in a lower portion of the seat 4 beyond the length of the lower plate 7; when the footrest part 6 is in the folded state, the footrest part 6 is just positioned in the second accommodation area 9.

When the leg rest part 6 is positioned in the second accommodating area 9, the second accommodating area 9 is filled, the rear end of the leg rest part 6 is abutted against the front end of the lower bottom plate 7, and the width of the leg rest part 6 is equal to the whole width of the lower bottom plate 7.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (13)

1. Leg rest pillow of chair utensil, characterized by: comprises a bottom shell and an upper cover from bottom to top; the upper end of the bottom shell is open, a plurality of mounting columns are arranged in the bottom shell, inverted teeth are fixedly arranged at the upper ends of the mounting columns, and a plurality of assembling holes matched with the mounting columns are formed in the bottom surface of the upper cover; after the upper cover is buckled with the bottom shell, the inverted teeth are clamped into the assembly holes to realize clamping fit.

2. The footrest pillow of claim 1, wherein: each mounting column is fixed with a steel buckle through a screw, a hole is formed in the middle of each steel buckle for the screw to pass through, and inverted teeth are distributed on the periphery of each steel buckle.

3. The footrest pillow of claim 2, wherein: the steel buckle is a steel sheet with the periphery extending downwards.

4. The footrest pillow of claim 1, wherein: the bottom shell and the upper cover are made of plastic materials.

5. The footrest pillow of claim 1, wherein: also comprises a soft cushion, and the soft cushion covers the upper end of the upper cover.

6. The foot rest pillow of claim 5, wherein: the shape and size of the soft cushion are matched with those of the upper cover.

7. The foot rest pillow of claim 5, wherein: the soft pad is glued with the upper surface of the upper cover, and after the soft pad and the upper cover are wrapped by the covering cloth, the edge of the covering cloth is furled inside the periphery of the lower surface of the upper cover.

8. The foot rest pillow of claim 7, wherein: the periphery of the soft cushion is fixedly connected with the upper cover by gun nails.

9. The foot rest pillow of claim 5, wherein: the soft cushion is a sponge.

10. The foot rest pillow of claim 5, wherein: the thickness of the whole combination of the bottom shell, the upper cover and the soft cushion is 25-38 cm.

11. The footrest pillow of claim 10, wherein: the thickness of the whole combination of the bottom shell, the upper cover and the soft cushion is 28-35 cm.

12. The footrest pillow of claim 1, wherein: a roughly horizontal base area is arranged on the bottom surface of the bottom shell, the width of the base area in the left-right direction is smaller than the whole width of the bottom shell, and the length of the base area in the front-back direction is smaller than the whole length of the bottom shell; a first arc-shaped transition area is formed between the left side and the right side of the base area and the left side and the right side of the bottom shell, and a second arc-shaped transition area is formed between the front side of the base area and the front side of the bottom shell.

13. The footrest pillow of claim 1, wherein: the bottom surface of the bottom shell is provided with a groove, and the groove forms a handle.