CN215126329U - Novel anti-toppling chair - Google Patents

Abstract

The utility model discloses a novel prevent chair that emptys, which comprises a cushion, the equal fixed mounting in one side both ends of cushion has the fixed block, and fixed mounting has the spliced pole between two fixed blocks simultaneously, movable sleeve has the back on the spliced pole, the equal fixed mounting of both sides lower extreme department of back has the positioning disk, a plurality of locating hole has been seted up to the equidistance on the positioning disk, be equipped with the screw thread bolt on the fixed block, the one end of screw thread bolt is located the locating hole. The utility model discloses beneficial effect: be used for adjusting the angle between back and the cushion through setting up positioning disk and screw bolt, can be so that the user is more comfortable after sitting, be used for adjusting the distance between cushion and the ground through setting up the cylinder, can let user's both legs put subaerial more naturally like this, be used for letting the chair wider with the contact range on ground through setting up a plurality of supporting legs to improve the stability of chair.

Description

Novel anti-toppling chair

Technical Field

The utility model relates to a chair, concretely relates to novel prevent chair that emptys.

Background

The chair is a daily life furniture, a seat with a backrest and armrests can be classified according to materials and can be divided into a solid wood chair, a glass chair, an iron art chair, a plastic chair, a cloth art chair, a leather art chair, a foaming chair and the like, and can be divided into an office chair, a dining chair, a bar chair, a leisure chair, a deck chair, a child chair and the like according to the use classification;

at present, backrests of most chairs in the market are fixed at ninety degrees with a cushion and cannot be adjusted, so that lumbar vertebrae cannot be completely attached to the backrests after people sit on the chairs, and therefore, people can feel sore in the back when sitting on the chairs for a long time;

therefore, based on the above problems, we have designed a new anti-toppling chair to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel chair of preventing empting to the back that solves most chairs all is fixed into ninety degrees with the cushion, can't adjust, after people sit like this, the lumbar vertebrae can't laminate with the back completely, therefore people long-term sitting can appear the problem of soreness of the waist back pain on the chair, present chair most all leans on four supporting legs to support in addition, in case certain supporting leg appears damaging, lead to the chair slope very easily, thereby let the problem that the user fell.

In order to achieve the above object, the present invention provides the following technical solutions: a novel anti-toppling chair comprises a cushion, wherein fixed blocks are fixedly arranged at two ends of one side of the cushion, a connecting column is fixedly arranged between the two fixed blocks, a backrest is movably sleeved on the connecting column, positioning discs are fixedly arranged at the lower ends of two sides of the backrest, a plurality of positioning holes are formed in the positioning discs at equal intervals, threaded bolts are arranged on the fixed blocks, one ends of the threaded bolts are positioned in the positioning holes, a fixing mechanism is arranged below the cushion and comprises a fixing frame and a fixed plate, the fixing frame is fixedly connected to the lower surface of the cushion, two U-shaped pipes are fixedly connected below the fixing frame, the fixed plate is positioned below the fixing frame, two through holes are transversely formed in one side of the fixed plate, the U-shaped pipes are fixedly arranged in the through holes, and a handrail mounting plate is fixedly arranged in the middle of the upper end face of the fixed plate, the utility model discloses a handrail installation device, including handrail mounting panel, fixed mounting has the handrail support, handrail support's one end fixed mounting has the handrail, the below of fixed plate is equipped with the cylinder, the output shaft of cylinder rotates with the fixed plate through the pivot to be connected, and the output shaft upper end of cylinder still is equipped with a handle simultaneously, the surface cover of cylinder is equipped with the supporting seat, be equipped with a plurality of supporting legs on the supporting seat.

Preferably, the upper surfaces of the seat cushion and the armrests are provided with a layer of sponge cushion, one side of the backrest is also provided with a layer of sponge cushion, and the bottom surfaces of the supporting legs are provided with a layer of anti-skidding rubber pad.

Preferably, an air bag is arranged below one side of the backrest, and an air port capable of inflating and deflating is arranged on the air bag.

Preferably, two mounting holes are formed in the upper end faces of the two sides of the handrail mounting plate, the handrail support is fixedly mounted in the mounting holes, threaded holes are formed in the side wall faces of the two sides of the handrail mounting plate, and the handrail mounting plate is fixedly connected with the handrail support through a fixing screw.

Preferably, the supporting legs are V-shaped, the number of the supporting legs is three, and the supporting legs are equidistantly arranged on the supporting seat.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model is provided with the cylinder, the positioning disc, the threaded bolt and the supporting legs, the angle between the backrest and the cushion can be adjusted by the positioning disc and the threaded bolt, the user can feel more comfortable after sitting on the chair, the distance between the cushion and the ground can be adjusted by the cylinder, the legs of the user can be more naturally placed on the ground, the contact range between the chair and the ground can be wider by the supporting legs, the stability of the chair is improved, the height of the armrest can be adjusted by the fixing screw rod and the armrest bracket, the hands of the user can be more naturally placed on the armrest after sitting on the chair, the chair can rotate in all directions by the rotating shaft, and the design not only can adjust the backrest, the armrest and the cushion, the chair has the advantages that a user feels more comfortable in the use process, and the supporting legs are arranged, so that after a certain supporting leg is damaged, the rest supporting legs can continue to support the chair, the chair cannot topple over immediately, and the user can be effectively prevented from falling down.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the fixing mechanism of the present invention.

Fig. 3 is an exploded view of the structure of the seat cushion and the backrest of the present invention.

Fig. 4 is a front view of the overall structure of the present invention.

Description of reference numerals:

1. a cushion; 11. a fixed block; 111. a threaded bolt; 12. connecting columns; 2. a backrest; 21. positioning a plate; 211. positioning holes; 3. a handrail; 31. a handrail support; 4. a fixing mechanism; 41. a fixed mount; 411. a U-shaped tube; 42. a fixing plate; 43. a handrail mounting plate; 431. fixing the screw rod; 432. mounting holes; 5. a cylinder; 51. a handle; 6. a supporting seat; 61. support the feet.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a novel anti-toppling chair as shown in figures 1-4, which comprises a cushion 1, wherein both ends of one side of the cushion 1 are fixedly provided with fixed blocks 11, a connecting column 12 is fixedly arranged between the two fixed blocks 11, a backrest 2 is movably sleeved on the connecting column 12, positioning discs 21 are fixedly arranged at the lower ends of the two sides of the backrest 2, a plurality of positioning holes 211 are equidistantly arranged on the positioning discs 21, threaded bolts 111 are arranged on the fixed blocks 11, one end of each threaded bolt 111 is positioned in the corresponding positioning hole 211, a fixing mechanism 4 is arranged below the cushion 1, the fixing mechanism 4 comprises a fixing frame 41 and a fixing plate 42, the fixing frame 41 is fixedly connected with the lower surface of the cushion 1, two U-shaped tubes 411 are fixedly connected below the fixing frame 41, and the fixing plate 42 is positioned below the fixing frame 41, two through holes are transversely formed in one side of the fixing plate 42, the U-shaped tubes 411 are fixedly arranged in the through holes, a handrail mounting plate 43 is fixedly arranged in the middle of the upper end face of the fixing plate 42, the handrail mounting plate 43 is positioned between the two U-shaped tubes 411, handrail supports 31 are fixedly arranged on two sides of the handrail mounting plate 43, a handrail 3 is fixedly arranged at one end of each handrail support 31, an air cylinder 5 is arranged below the fixing plate 42, an output shaft of the air cylinder 5 is rotatably connected with the fixing plate 42 through a rotating shaft, a handle 51 is further arranged at the upper end of the output shaft of the air cylinder 5, a support seat 6 is sleeved on the outer surface of the air cylinder 5, a plurality of support legs 61 are arranged on the support seat 6, and the positioning disc 21 and the threaded bolt 111 are designed so that people can adjust the angle between the backrest 2 and the cushion 1 according to personal hobby, thereby improve and make people's comfort after sitting on, the cylinder 5 of this design and handle 51 can cooperate the use to this height of adjusting cushion 1, the fixed establishment 4 of this design can be used for improving the steadiness of chair.

Further, in above-mentioned technical scheme, cushion 1 all is equipped with one deck sponge cushion with the upper surface of handrail 3, and one side of back 2 is equipped with one deck sponge cushion equally simultaneously, the bottom surface of supporting legs 61 is equipped with one deck antiskid rubber pad, the sponge cushion of this design for improve people and sit the travelling comfort after going, the antiskid rubber pad of this design, be used for promoting the stability of chair.

Furthermore, in the above technical solution, an air bag is provided below one side of the backrest 2, and the air bag is provided with an air port capable of being inflated and deflated, and the air bag is used for adjusting the comfort between the lumbar vertebrae of the person and the backrest 2.

Further, in the above technical solution, two mounting holes 432 are formed in the upper end surfaces of the two sides of the armrest mounting plate 43, the armrest support 31 is fixedly mounted in the mounting holes 432, threaded holes are formed in the side wall surfaces of the two sides of the armrest mounting plate 43, the armrest mounting plate 43 is fixedly connected to the armrest support 31 through the fixing screw 431, and the height of the armrest 3 can be adjusted according to the preference of people by using the armrest mounting plate 43.

Furthermore, in the above technical scheme, the shape of supporting legs 61 is the V font, and the quantity is three at the lowest simultaneously to the equidistance is installed on supporting seat 6, and this design's supporting legs 61 is used for supporting the chair, and after certain supporting legs 61 goes wrong, can not make the chair take place to incline easily simultaneously, leads to people to fall down.

Principle of operation

The implementation mode is specifically as follows: when a user needs to use the device, the user can firstly sit on the chair, then the chair is adjusted according to personal habits and preferences, when the adjustment is carried out, the handle 51 is firstly pulled upwards, the air cylinder 5 is utilized to drive the cushion 1 to rise upwards, the handle 51 is loosened until the user feels suitable for the user, the cushion 1 is fixed at the position, then the backrest 2 is adjusted according to the personal preferences, when the backrest 2 is adjusted, the threaded bolts 111 on the fixing blocks 11 at the two ends of the cushion 1 are firstly unscrewed until the head ends of the threaded bolts 111 completely move out of the positioning holes 211 on the positioning disc 21, at the moment, the backrest 2 is rotationally adjusted by hands, after the angle which the user thinks is adjusted, the threaded bolts 111 are aligned to the positioning holes 211 on the positioning disc 21, then the threaded bolts 111 are screwed until the head ends of the threaded bolts 111 completely enter the positioning holes 211, the user is after sitting up, both hands fall naturally and are put on handrail 3, whether the height of feeling handrail 3 is fit for, if feel uncomfortable, then adjust handrail 3 again, during the regulation, at first unscrew the set screw 431 of handrail mounting panel 43 both sides, make handrail support 31 can freely slide from top to bottom in the mounting hole 432 on handrail mounting panel 43, then with handrail support 31 remove behind suitable height in mounting hole 432, screw up the set screw 431 of handrail mounting panel 43 both sides again, make set screw 431 fix handrail support 31 in mounting hole 432 completely, the user is after sitting up, can make cushion 1 under the effect of pivot through twisting the health, can carry out the omnidirectional rotation.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (5)

1. A novel anti-toppling chair comprises a cushion (1) and is characterized in that: the utility model discloses a cushion, including cushion (1), connecting post (12), back (2), positioning disc (21), fixed block (11), connecting post (12), movable sleeve have on the connecting post (12), the equal fixed mounting of both sides lower extreme department of back (2) has positioning disc (21), a plurality of locating hole (211) have been seted up to equidistance on positioning disc (21), be equipped with screw bolt (111) on fixed block (11), the one end of screw bolt (111) is located positioning hole (211), the below of cushion (1) is equipped with fixed establishment (4), fixed establishment (4) include mount (41) and fixed plate (42), mount (41) fixed connection is at the lower surface of cushion (1), the below fixed connection of mount (41) has two U venturi tubes (411), fixed plate (42) are located the below of mount (41), two through-holes have transversely been seted up to one side of fixed plate (42), U-shaped pipe (411) fixed mounting is in the through-hole, up end middle part fixed mounting of fixed plate (42) has handrail mounting panel (43), handrail mounting panel (43) are located between two U-shaped pipes (411), the equal fixed mounting in both sides of handrail mounting panel (43) has handrail support (31), the one end fixed mounting of handrail support (31) has handrail (3), the below of fixed plate (42) is equipped with cylinder (5), the output shaft of cylinder (5) rotates through pivot and fixed plate (42) to be connected, and the output shaft upper end of cylinder (5) still is equipped with one handle (51) simultaneously, the outer surface cover of cylinder (5) is equipped with supporting seat (6), be equipped with a plurality of supporting legs (61) on supporting seat (6).

2. A new anti-toppling chair, as claimed in claim 1, wherein: cushion (1) and the upper surface of handrail (3) all are equipped with one deck sponge cushion, and one side of back (2) is equipped with one deck sponge cushion simultaneously, the bottom surface of supporting legs (61) is equipped with one deck anti-skidding rubber pad.

3. A new anti-toppling chair, according to claim 2, characterized in that: an air bag is arranged below one side of the backrest (2), and an air port capable of being inflated and deflated is arranged on the air bag.

4. A new anti-toppling chair, as claimed in claim 1, wherein: two mounting holes (432) have all been seted up to the up end of handrail mounting panel (43) both sides, handrail support (31) fixed mounting is in mounting hole (432), the side wall face of handrail mounting panel (43) both sides all is seted up threaded hole, handrail mounting panel (43) are through fixing screw (431) fixed connection handrail support (31).

5. A new anti-toppling chair, according to claim 2, characterized in that: the shape of supporting legs (61) is the V font, and quantity is three minimum simultaneously, and the equidistance install on supporting seat (6).

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