CN212546289U - Chair seat structure - Google Patents

Abstract

The utility model discloses a seat support structure, include: an upper seat plate configured to be connected to a seat cushion; the upper seat plate and the lower shell are connected in an up-down involutory manner, mounting grooves are symmetrically arranged on the left side and the right side in the lower shell, the mounting grooves are positioned in the lower shell and are arranged towards the upper seat plate, a pull-type multi-section sleeve for connecting a footrest pillow is arranged in each mounting groove, and each pull-type multi-section sleeve comprises a tube seat and at least one telescopic tube connected in the tube seat; the lower shell is correspondingly provided with a window through which the telescopic pipe penetrates out of the lower shell, and the pipe seat is directly or indirectly connected and fixed with the lower shell. The utility model discloses two mounting grooves have been seted up to the symmetry in the casing down, install pull formula multisection sleeve pipe separately in the mounting groove that corresponds and fixed with lower casing connection, it is external that corresponding on the casing down has seted up the window and supplies pull formula multisection sleeve pipe to stretch out the casing down, has so not only hidden pull formula multisection sleeve pipe, has still avoided gathering of dust, does not receive the restriction of last bedplate again.

Description

Chair seat structure

Technical Field

The utility model relates to a seat field, in particular to seat support structure.

Background

The seat that has the pull formula and puts the foot pillow is more and more common, and the user is when normally just sitting on the seat in the work, and the foot rest pillow can draw in the seat bottom, leans on when lying on the seat rest when the user, can take out and put the foot pillow in order to supply the user to put the foot, has increased the travelling comfort of seat. The foot rest pillow is stretched and contracted through the drawing mechanism, and the drawing mechanism is usually fixed on the bottom surface of the chair seat, so that the foot rest pillow is not only exposed outside, but also not attractive.

For example, chinese patent application CN201810570351.4 discloses an office chair, in which a leg rest mechanism is provided, and the front end of the base is provided with an accommodating area, so that the leg rest mechanism can be accommodated in the accommodating area without protruding from the chair surface, and the guide rail of the leg rest mechanism is provided with a lower end opening. The accommodating area is provided with the left baffle and the right baffle, so that the width of the footrest is shortened; exposed guide rails, however, increase the risk of damage and are prone to dust accumulation.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a seat support structure, the last bedplate that closes from top to bottom during this seat support structure is in the same place with lower casing combination, and two mounting grooves have been seted up to the internal symmetry of lower casing, install pull formula multisection sleeve pipe separately in the mounting groove that corresponds and with lower casing connection fixed, so not only hidden pull formula multisection sleeve pipe, still avoided the gathering of dust, do not receive the restriction of last bedplate again simultaneously.

The technical scheme of the utility model is realized like this:

a seat structure, comprising:

an upper seat plate configured to be connected to a seat cushion;

the upper seat plate and the lower shell are connected in an up-down involutory manner, mounting grooves are symmetrically arranged on the left side and the right side in the lower shell, the mounting grooves are positioned in the lower shell and are arranged towards the upper seat plate, a pull-type multi-section sleeve for connecting a footrest pillow is arranged in each mounting groove, and each pull-type multi-section sleeve comprises a tube seat and at least one telescopic tube connected in the tube seat; the lower shell is correspondingly provided with a window through which the telescopic pipe penetrates out of the lower shell, and the pipe seat is directly or indirectly connected and fixed with the lower shell.

Preferably, the direct connection and fixation of the stem and the lower shell means that: the tube seat is connected with the lower shell through screws. If the tube seat is connected with the upper seat plate, a longer connecting piece is needed, so that the connection firmness of the tube seat and the upper seat plate is influenced, and meanwhile, the telescopic tube at the front end of the tube seat is inconvenient to penetrate out of the lower shell; the tube seat is arranged in the lower shell and is fixedly connected with the lower shell, so that the cost is saved and the tube seat can be stably connected and fixed.

Preferably, the stem and the lower case are indirectly connected and fixed by: the left side and the right side of the lower shell are respectively provided with a handrail mounting position, a reinforcing plate is arranged on the handrail mounting positions, and the reinforcing plate and the handrail mounting positions are relatively fixed; the pipe seat is fixedly connected with the reinforcing plate. The reinforcing plate not only plays a role of connecting the handrails, but also enables the tube seat to be fixed to the lower shell; compared with the case that the tube seat is directly connected with the lower case, the tube seat can bear larger force through the connection of the reinforcing plate and the lower case, and is not easy to fall off from the lower case.

Preferably, the reinforcing plate and the handrail installation position are kept relatively fixed by: the reinforcing plate is fixedly connected with the handrail installation position through a fastener.

Preferably, the stem and the lower case are indirectly connected and fixed by: the left and right sides of casing respectively forms an handrail installation position down, is provided with the reinforcing plate on handrail installation position, and is equipped with the bridge plate between two reinforcing plates, the tube socket on connect and be fixed with the connection handle, connect and leave the perforation that supplies the bridge plate to pass between handle and the tube socket, the bridge plate both ends are passed and are connected fixedly with adjacent reinforcing plate after the perforation, and connect the handle and pass through the fastener with the bridge plate and be connected fixedly, the bridge plate passes through the fastener with casing down again and is connected fixedly. The reinforcing plate and the bridge plate are fixedly connected with the lower shell, so that the connection firmness between the tube seat and the lower shell is improved; the connecting handle is welded on the tube seat, and compared with the method that the connecting handle is assembled with the lower shell after a plurality of supporting lugs are welded, the connecting handle has the advantages that the required welding time is reduced, the production efficiency is improved, the required strength of the lower shell is not required to be high, and the cost is reduced.

Preferably, the front part of the lower shell is thinned upwards to form a partition plate facing the front of the seat, and the window is formed in the partition plate. When the foot rest pillow is in a furled state, the baffle blocks the foot rest pillow from continuing to move backwards, so that the limiting effect is achieved; and the partition board is provided with a window to enable the pull-type multi-section sleeve to be exposed out of the lower shell body so as to achieve the purpose of connecting the foot rest pillow.

Preferably, two sections of sleeves are arranged in the tube seat, the two sections of sleeves are respectively an outer tube and an inner tube, and the inner tube, the outer tube and the tube seat are sequentially sleeved; the front end of the inner tube is exposed out of the window.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model provides a seat support of chair compares prior art:

the utility model discloses a seat support structure includes upper seat board and lower casing that closes from top to bottom, and upper seat board and lower casing can be installed through fastener locking alone, and two mounting grooves have been seted up to the internal symmetry of casing down, install pull formula multisection sleeve pipe separately in the mounting groove that corresponds and fixed with lower casing connection, it is external to correspond to set up on the casing down to have the window to supply pull formula multisection sleeve pipe to stretch out the lower casing, has so not only hidden pull formula multisection sleeve pipe, has still avoided gathering of dust, does not receive the restriction of upper seat board simultaneously again.

Drawings

Fig. 1 is a schematic perspective view of a leg rest pillow stored in a seat bottom in embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of the foot rest pillow of the present invention in the use state according to embodiment 1;

fig. 3 is a schematic perspective view of a combination of a seat cushion and an upper seat plate according to embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of the cushion, the upper seat plate and the lower housing of the present invention in embodiment 1;

fig. 5 is a schematic perspective view of the cushion, the upper seat plate and the lower housing of the present invention in embodiment 1;

fig. 6 is a schematic perspective view of the telescopic mechanism mounted on the lower housing according to embodiment 1 of the present invention;

fig. 7 is a schematic perspective view of the telescopic mechanism assembled with the lower housing according to embodiment 1 of the present invention;

fig. 8 is a schematic perspective view of the position of the baffle plate on the lower case according to embodiment 2 of the present invention;

fig. 9 is a side view of the lower case of the present invention in embodiment 1;

fig. 10 is a side view of the footrest in the footrest accommodating area according to embodiment 1 of the present invention;

fig. 11 is a side view of the footrest pillow in the use state according to embodiment 1 of the present invention;

fig. 12 is a schematic perspective view of a rear seat with a footrest extended in embodiment 1 according to the present invention;

fig. 13 is a schematic perspective view of a combination of a chassis and a lower housing according to embodiment 1 of the present invention;

fig. 14 is a side view of the rear seat with the footrest extended in embodiment 1 of the present invention.

The figures are numbered: an upper seat plate 1; a lower case 2; a telescoping mechanism 3; a foot rest pillow 4; a seat cushion 5; a foot rest pillow accommodation area 6; a partition 7; a thin plate 8; a window 9; a stem 10; a multi-section telescopic pipe 11; a mounting groove 12; an armrest mounting location 13; a mounting hole 14; a reinforcing plate 15; a bridge plate 16; a fixing hole 17; a connection handle 18; a perforation 19; an outer tube 20; an inner tube 21; a baffle 22; a main body portion 23; a connection plate 24; a weld 25; a seat support assembly 26; supporting legs 27; a support bar 28; a chassis 29; a chassis mounting location 30.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

example 1: the definition of the orientation of the present embodiment is based on the seat being described under normal use: as shown in fig. 1, 2, 10 and 11, the utility model provides a chair seat, which comprises an upper seat plate 1, a lower shell 2, a telescopic mechanism 3 and a foot rest pillow 4, wherein the foot rest pillow 4 is connected with the telescopic mechanism 3, the foot rest pillow 4 is put by the pull, and the telescopic mechanism 3 extends therewith.

As shown in fig. 3-5, the upper seat plate 1 is used for connecting a seat cushion 5, and the seat cushion 5 is fixedly connected above the upper seat plate 1; the upper seat plate 1 can be a wood plate or a plastic plate.

The lower shell 2 is fixedly arranged below the upper seat plate 1 through screws; the cushion 5 is a spongy cushion. The front part of the lower shell 2 is integrally thinned and is upwards sunken to form a footrest accommodating area 6, and the footrest 4 is accommodated in the footrest accommodating area 6; since the front part of the lower shell 2 is thinned, a thin plate 8 positioned at the front part of the lower shell and a main body part 23 positioned behind the thin plate 8 are formed, the part of the front end of the main body part 23 positioned below the thin plate 8 forms a partition 7, the thickness of the main body part 23 is thicker than that of the thin plate 8, and the front part of the lower shell 2 is the part 15-25cm from the foremost end of the lower shell 2 to the rear part thereof; the partition 7 faces the front of the seat and the thin plate 8 faces the lower part of the seat. The lower shell 2 is integrally molded from plastic.

As shown in fig. 2, 5 and 9, the front part of the lower shell 2 is thinned and is depressed upwards to form a footrest accommodating area 6, and the footrest 4 is accommodated in the footrest accommodating area 6; the foot rest pillow containing area 6 is separated from the interior of the lower shell 2 by the partition plate 7 and the thin plate 8; two windows 9 for the telescopic mechanism 3 to pass through are symmetrically arranged at the left side and the right side of the clapboard 7.

The telescoping mechanism 3 is arranged in the lower shell 2, specifically, as shown in fig. 6 and 7, the telescoping mechanism 3 is a pull-out multi-section sleeve, and comprises a tube seat 10 and a multi-section telescoping tube 11 connected in the tube seat 10, a main body part 23 of the lower shell 2 behind the window 9 is respectively provided with an installation groove 12, and the tube seat 10 is arranged in the installation groove 12; the left side and the right side of the lower shell 2 are respectively provided with a handrail mounting position 13, the handrail mounting positions 13 are upwards protruded on the surface of the lower shell 2, the upper end surface of each handrail mounting position 13 is a horizontal plane provided with a mounting hole 14, the handrail mounting positions 13 are provided with reinforcing plates 15, the handrail mounting positions and the reinforcing plates are fixedly connected through the mounting holes 14 by bolts, and the tube seats 10 can be fixedly connected on the reinforcing plates 15; for example, the stem 10 is welded with a connection lug, and the connection lug is fixed to the reinforcing plate 15 by screwing.

In order to make the connection between the tube seat 10 and the reinforcing plate 15 more convenient and firm, the reinforcing plates 15 on both sides are connected with a bridge plate 16, the bridge plate 16 and the reinforcing plates 15 are integrally formed, the bridge plate 16 is provided with a fixing hole 17, the bridge plate 16 and the lower shell 2 are connected and fixed by a bolt or a screw through the fixing hole 17, at this time, the reinforcing plates 15 on both sides of the bridge plate 16 are lapped on the handrail mounting position 13, and the bridge plate 16 is already fixedly connected with the lower shell 2, so the reinforcing plates 15 only play a role of reinforcing the handrail mounting position 13 in this case, and the reinforcing plates 15 do not need to be connected with the handrail mounting position 13 through bolts any more; the connecting handle 18 is welded on the tube seat 10, the connecting handle 18 comprises a connecting flat plate 24, welding parts 25 extend outwards and downwards from two ends of the connecting flat plate 24, the welding parts 25 are welded on the tube seat 10, a through hole 19 for the bridge plate 16 to pass through is reserved between the connecting flat plate 24 and the tube seat 10, and the connecting handle 18 is fixedly connected on the bridge plate 16.

When the telescopic mechanism 3 is assembled on the lower shell 2, the reinforcing plates 15 on the left side and the right side respectively penetrate through the through holes 19 between the tube seats 10 on the left side and the right side and the connecting handles 18, so that the two ends of the bridge plate 16 penetrate through the through holes 19, the connecting handles 18 and the bridge plate 16 are fixedly connected through bolts, the tube seats 10 are placed in the mounting grooves 12, the head of the telescopic mechanism 3 extends out of the window 9, and finally the hole positions of the bridge plate 16 and the hole positions on the lower shell 2 are aligned and fixedly connected through bolts.

The multi-section telescopic tube 11 can be two-section sleeve tubes or three-section sleeve tubes, in this embodiment, two sections of sleeve tubes are adopted, namely an outer tube 20 and an inner tube 21, the inner tube 21 and the outer tube 20 are sequentially sleeved with the tube seat 10, and the front end of the inner tube 21 is connected with the footrest 4; the footrest pillow 4 is drawn out from the footrest pillow accommodating area 6, the inner tube 21 and the outer tube 20 are sequentially drawn out, the footrest pillow 4 is pushed back, the inner tube 21 and the outer tube 20 move towards the inside of the tube seat 10, and finally the telescopic mechanism 3 is completely contracted, the footrest pillow 4 is accommodated in the footrest pillow accommodating area 6, the upper surface of the footrest pillow 4 is attached to the thin plate 8, and the rear end of the footrest pillow 4 is attached to the partition plate 7.

As shown in fig. 12-14, the present embodiment further provides a chair comprising the chair seat and a seat support assembly 26, wherein the seat support assembly 26 is connected to the underside of the chair seat.

The seat support assembly 26 comprises a support foot 27, a support rod 28 and a chassis 29, the chassis 29 is fixedly connected with the lower shell 2 of the seat of the chair, and the upper end and the lower end of the support rod 28 are respectively connected with the chassis 29 and the support foot 27; the middle part of the lower surface of the main body part 23 of the lower shell 2 is thinned upwards to form a chassis mounting position 30 facing the lower part of the seat of the chair, and a chassis 29 is mounted on the chassis mounting position 30.

Example 2: in the present embodiment, the middle part of the front part of the lower case 2 is thinned and recessed upward, and the area left by the middle part is used as the footrest accommodating area 6.

As shown in fig. 8, the middle part of the front part of the lower shell 2 is thinned and is recessed upwards to form a foot rest pillow accommodating area 6, and the lower shell 2 on the left and right sides of the foot rest pillow accommodating area 6 forms baffles 22 for the thinned part; the size and the shape of the footrest pillow 4 are matched with the footrest pillow containing area 6, so that the footrest pillow 4 is just filled with the footrest pillow containing area 6.

Example 3: this embodiment is different from embodiment 1 in that the stem 10 is directly connected to the lower case 2.

That is, the connecting lug is welded on the tube seat 10, the part of the lower casing 2 which is matched with the connecting lug is reinforced, and then the connecting lug and the lower casing 2 are connected and fixed through a bolt.

Claims (7)

1. A seat structure, comprising:

an upper seat plate configured to be connected to a seat cushion;

the upper seat plate and the lower shell are connected in an up-down involutory manner, mounting grooves are symmetrically arranged on the left side and the right side in the lower shell, the mounting grooves are positioned in the lower shell and are arranged towards the upper seat plate, a pull-type multi-section sleeve for connecting a footrest pillow is arranged in each mounting groove, and each pull-type multi-section sleeve comprises a tube seat and at least one telescopic tube connected in the tube seat; the lower shell is correspondingly provided with a window through which the telescopic pipe penetrates out of the lower shell, and the pipe seat is directly or indirectly connected and fixed with the lower shell.

2. A seat structure as defined in claim 1, wherein: the direct connection and fixation of the tube seat and the lower shell are as follows: the tube seat is connected with the lower shell through screws.

3. A seat structure as defined in claim 1, wherein: the indirect connection and fixation of the tube seat and the lower shell means that: the left side and the right side of the lower shell are respectively provided with a handrail mounting position, a reinforcing plate is arranged on the handrail mounting positions, and the reinforcing plate and the handrail mounting positions are relatively fixed; the pipe seat is fixedly connected with the reinforcing plate.

4. A seat structure as defined in claim 3, wherein: the reinforcing plate and the handrail installation position are kept relatively fixed, namely: the reinforcing plate is fixedly connected with the handrail installation position through a fastener.

5. A seat structure as defined in claim 1, wherein: the indirect connection and fixation of the tube seat and the lower shell means that: the left and right sides of casing respectively forms an handrail installation position down, is provided with the reinforcing plate on handrail installation position, and is equipped with the bridge plate between two reinforcing plates, the tube socket on connect and be fixed with the connection handle, connect and leave the perforation that supplies the bridge plate to pass between handle and the tube socket, the bridge plate both ends are passed and are connected fixedly with adjacent reinforcing plate after the perforation, and connect the handle and pass through the fastener with the bridge plate and be connected fixedly, the bridge plate passes through the fastener with casing down again and is connected fixedly.

6. A seat structure as defined in claim 1, wherein: the front part of the lower shell is thinned upwards to form a partition board facing the front of the chair seat, and the window is arranged on the partition board.

7. The seat structure of claim 1, wherein: two sections of sleeves are arranged in the tube seat, the two sections of sleeves are respectively an outer tube and an inner tube, and the inner tube, the outer tube and the tube seat are sequentially sleeved; the front end of the inner tube is exposed out of the window.

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