CN215271600U

CN215271600U - Adjusting device for back of office chair to lie on back

Info

Publication number: CN215271600U
Application number: CN202121921101.4U
Authority: CN
Inventors: 付德才; 王鲁健
Original assignee: Hangzhou Aofeisi Technology Co ltd
Current assignee: Hangzhou Aofeisi Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-24
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses an adjusting device for office chair back of the chair lies on back, including cushion, chair leg and handrail, the fixed surface of cushion is connected with stop gear, stop gear includes the dwang, the surface mounting of dwang has adjustment mechanism, the board is placed to one side fixedly connected with of chair leg. The device is favorable to providing the support for chair back main part department is violently put through being provided with adjustment mechanism, and when preventing device became the state of lying, chair back main part position lacks the support and makes the device unstable, causes the threat to the safety in utilization, and the swift use of operation of being convenient for, the device is favorable to providing spacingly for chair back main part through being provided with stop gear, need not lie the rest only angle of adjustment comfortable during operation of being convenient for, stop gear passes through the multiunit that its inside equidistance set up the fixture block meshes with first gear surface tooth mutually, forms the block for the dwang no longer rotates, thereby makes chair back main part rigidity.

Description

Adjusting device for back of office chair to lie on back

Technical Field

The utility model belongs to the technical field of the office chair, concretely relates to an adjusting device that is used for the office chair back of the chair to lie on back.

Background

The office chair refers to various chairs which are convenient to work in daily work and social activities, office chairs are classified into a narrow sense and a broad sense by office partners, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the broad sense office chair refers to all chairs used in offices, including office chairs, middle class chairs, guest chairs, employee chairs, conference chairs, visitor chairs and training chairs.

In the use of office chair, need adjust the back of chair so that abundant rest when having a break in the noon break, the office chair of current adjustable office chair back, after adjusting office chair back, the atress of office chair becomes unstable inadequately, has certain potential safety hazard when the rest, so needs a kind of improvement design that so needs the pertinence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjusting device for office chair back of the chair lies on back to solve the office chair of the current adjustable office chair back that proposes in the above-mentioned background art, after adjusting office chair back, the atress of office chair becomes unstable inadequately, has the problem of certain potential safety hazard when the rest.

In order to achieve the above object, the utility model provides a following technical scheme: an adjusting device for the back of an office chair to lie on back comprises a cushion, chair legs and armrests, wherein a limiting mechanism is fixedly connected to the surface of the cushion and comprises a rotating rod, an adjusting mechanism is mounted on the surface of the rotating rod, a placing plate is fixedly connected to one side of each chair leg and comprises a chair backrest main body, the chair backrest main body is mounted on the surface of the rotating rod, a second gear is connected to the surface of the rotating rod through a belt pulley, a connecting strip is connected to the bottom end of the second gear, the top end of the connecting strip is inserted into an accommodating frame, the connecting strip penetrates through the bottom end of the cushion and is inserted between two groups of balls, one end, away from the accommodating frame, of the connecting strip is connected with a sliding block, one end, away from the connecting strip, of the sliding block is connected with a stress plate, a movable block is inserted into the surface of the inner wall of the stress plate, and one end, away from the stress plate, of the movable block is connected with supporting legs, one side of the chair backrest main body, which is far away from the containing frame, is connected with a backrest cushion.

Preferably, one side of the connecting strip close to the second gear is provided with teeth, and the teeth are meshed with teeth on the surface of the second gear.

Preferably, the bottom surface of the cushion is provided with a sliding groove, and the stress plate and the cushion form a sliding connection.

Preferably, the support legs are of a length equal to the height of the chair legs.

Preferably, stop gear is still including fixed frame, the fixed frame of fixed surface of cushion, and the inner wall fixed surface of fixed frame is connected with the link, the inside of link is inserted and is equipped with the spring, and the spring keeps away from the one end fixedly connected with fixture block of fixed frame, the dwang runs through the cushion through the bearing, the dwang is located the outside both ends surface cover of cushion and is equipped with first gear.

Preferably, the inner wall surface equidistance of fixed frame is provided with multiunit connecting frame, spring and fixture block, and the multiunit that the equidistance set up the fixture block meshes with first gear surface tooth mutually.

The utility model discloses a technological effect and advantage:

1. the device is provided with an adjusting mechanism, when the office chair needs to be changed into a state of lying, the chair backrest main body is pressed downwards forcibly, the chair backrest main body drives a rotating rod to rotate, the rotating rod drives a second gear to rotate through a surface belt pulley when rotating, the second gear is meshed with teeth arranged on one side surface of a connecting strip through surface teeth when rotating, a matching sliding block drives the connecting strip to move in the cushion along with the rotation of the second gear, so that a stress plate is pushed by the sliding block to transversely move between a placing plate and a cushion, when the chair backrest main body is level with the cushion, one end of the supporting leg, far away from a movable block, falls out of the inner part of the stress plate, the length of the supporting leg is equal to the height of the chair leg, the stress plate above the supporting leg is abutted against a containing frame, the bottom end of the supporting leg is abutted against the ground, the chair leg is matched to provide support for the cushion, the backrest body of the chair is transversely placed to provide support, so that the situation that the backrest body of the chair is lack of support to cause instability of the device when the device becomes a lying state is prevented, the use safety is threatened, and the operation is convenient and rapid.

2. The device is favorable to providing spacingly for chair back main part through being provided with stop gear, need angle regulation only when not lying the rest and be convenient for comfortable during operation, stop gear passes through the multiunit that its inside equidistance set up the fixture block meshes with first gear surface tooth mutually, forms the block for the dwang no longer rotates, thereby makes chair back main part rigidity, the operation of being convenient for.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure of the limiting mechanism in fig. 1 according to the present invention;

FIG. 3 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 4 is a schematic side view of the structure of the present invention;

fig. 5 is a schematic sectional view of the working state structure of the present invention.

In the figure: 1. a cushion; 2. a chair leg; 3. a handrail; 4. a limiting mechanism; 41. a fixing frame; 42. a connecting frame; 43. a spring; 44. a clamping block; 45. a first gear; 46. rotating the rod; 5. an adjustment mechanism; 51. a chair back main body; 52. a belt pulley; 53. a connecting strip; 54. a storage frame; 55. a ball bearing; 56. a slider; 57. a stress plate; 58. a movable block; 59. supporting legs; 510. a backrest cushion; 511. a second gear; 6. placing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a regulating device for the back of an office chair to lie on back as shown in figures 1-5, which comprises a cushion 1, chair legs 2 and handrails 3, wherein the surface of the cushion 1 is fixedly connected with a limiting mechanism 4, the limiting mechanism 4 comprises a rotating rod 46, the surface of the rotating rod 46 is provided with a regulating mechanism 5, one side of the chair legs 2 is fixedly connected with a placing plate 6, the regulating mechanism 5 comprises a chair backrest main body 51, the surface of the rotating rod 46 is provided with the chair backrest main body 51, the surface of the rotating rod 46 is connected with a second gear 511 through a belt pulley 52, the bottom end of the second gear 511 is connected with a connecting strip 53, the top end of the connecting strip 53 is inserted in an accommodating frame 54, the connecting strip 53 penetrates through the bottom end of the cushion 1 and is inserted between two groups of balls 55, one end of the connecting strip 53 far away from the accommodating frame 54 is connected with a slide block 56, and one end of the slide block 56 far away from the connecting strip 53 is connected with a stressed plate 57, a movable block 58 is inserted on the inner wall surface of the stress plate 57, and a support leg 59 is connected to one end of the movable block 58 away from the stress plate 57, and a backrest pad 510 is connected to one side of the chair backrest main body 51 away from the storage frame 54.

When the chair is used, when the office chair needs to be changed into a state of being capable of lying, the chair backrest main body 51 is pressed downwards by force, the chair backrest main body 51 drives the rotating rod 46 to rotate, the rotating rod 46 drives the second gear 511 to rotate through the surface belt pulley 52 when rotating, the second gear 511 is meshed with the teeth arranged on one side surface of the connecting strip 53 through the surface teeth when rotating, the connecting strip 53 is driven by the matching sliding block 56 to move in the cushion 1 along with the rotation of the second gear 511, so that the stress plate 57 is pushed by the sliding block 56 to move transversely between the placing plate 6 and the cushion 1, when the chair backrest main body 51 is level with the cushion 1, one end of the supporting leg 59, far away from the movable block 58, falls out of the inner part of the stress plate 57, the length of the supporting leg 59 is equal to the height of the chair leg 2, the stress plate 57 above the supporting leg 59 is abutted against the accommodating frame 54, and the bottom end of the supporting leg 59 is abutted against the ground, the chair legs 2 are matched to provide support for the seat cushion 1 and provide support for the transverse placement of the chair backrest main body 51, so that when the device becomes a lying state, the chair backrest main body 51 is lack of support, the device is unstable, and the operation is convenient and rapid.

Further, one side of the connecting bar 53 close to the second gear 511 is provided with teeth, and the teeth are engaged with the teeth on the surface of the second gear 511, which is beneficial to pressing the chair backrest main body 51 downward with force, the chair backrest main body 51 drives the rotating rod 46 to rotate, the rotating rod 46 drives the second gear 511 to rotate through the surface belt pulley 52 when rotating, the teeth engaged with the teeth on one side of the connecting bar 53 through the surface teeth when the second gear 511 rotates, the matching sliding block 56 drives the connecting bar 53 to move along with the rotation of the second gear 511 in the cushion 1, and the transmission of the adjusting mechanism 5 is convenient to operate.

Further, the bottom surface of cushion 1 has seted up the spout, and stress plate 57 constitutes sliding connection with cushion 1, is favorable to stress plate 57 to pass through slider 56 at the bottom surface lateral shifting of cushion 1, provides certain atress and support simultaneously.

Further, the length of supporting leg 59 equals with chair leg 2's height, when being favorable to waiting chair back main part 51 and cushion 1 level, the one end that the movable block 58 was kept away from to supporting leg 59 falls out from the inside of atress board 57, cooperation chair leg 2 provides the support for cushion 1, atress board 57 and the frame 54 of accomodating of supporting leg 59 top are inconsistent, and the bottom of supporting leg 59 is contradicted ground, and it provides the support to locate violently to put for chair back main part 51.

Further, stop gear 4 still includes fixed frame 41, and the fixed frame 41 of fixed surface fixedly connected with of cushion 1, and the inner wall fixed surface fixedly connected with of fixed frame 41 connect the frame 42, and the inside of connect the frame 42 is inserted and is equipped with spring 43, and spring 43 keeps away from the one end fixedly connected with fixture block 44 of fixed frame 41, and dwang 46 runs through cushion 1 through the bearing, and the both ends surface cover that dwang 46 is located cushion 1 outside is equipped with first gear 45.

During the use, be favorable to not having the rest of lying and only need angle regulation be convenient for comfortable during operation, stop gear 4 meshes with first gear 45 surface tooth mutually through the multiunit fixture block 44 of its inside equidistance setting, forms the block for dwang 46 no longer rotates, thereby makes chair back main part 51 rigidity, the operation of being convenient for.

Further, the inner wall surface equidistance of fixed frame 41 is provided with multiunit connection frame 42, spring 43 and fixture block 44, and the multiunit fixture block 44 that the equidistance set up meshes with first gear 45 surface tooth mutually, be favorable to providing spacingly for chair back main part 51, multiunit fixture block 44 and first gear 45 surface tooth mesh through its inside equidistance setting, form the block, make dwang 46 no longer rotate, thereby make chair back main part 51 rigidity, it is spacing to form, the multi-angle of the device of being convenient for is adjusted.

Claims

1. The utility model provides an adjusting device for office chair back of chair is supine, includes cushion (1), chair leg (2) and handrail (3), the fixed surface of cushion (1) is connected with stop gear (4), stop gear (4) are including dwang (46), the surface mounting of dwang (46) has adjustment mechanism (5), board (6), its characterized in that are placed to one side fixedly connected with of chair leg (2): adjustment mechanism (5) includes chair back main part (51), the surface mounting of dwang (46) has chair back main part (51), the surface of dwang (46) is connected with second gear (511) through belt pulley (52), and the bottom of second gear (511) is connected with connecting strip (53), the inside of accomodating frame (54) is inserted and establish on the top of connecting strip (53), connecting strip (53) run through cushion (1) bottom department and insert and establish between two sets of ball (55), the one end of accomodating frame (54) is kept away from in connecting strip (53) is connected with slider (56), and the one end that connecting strip (53) were kept away from in slider (56) is connected with atress board (57), the inner wall surface of atress board (57) is inserted and is equipped with movable block (58), and movable block (58) keep away from the one end of atress board (57) and be connected with supporting leg (59), a backrest cushion (510) is connected to one side of the chair backrest main body (51) far away from the containing frame (54).

2. An adjustment device for an office chair back to lie supine according to claim 1, wherein: one side of the connecting strip (53) close to the second gear (511) is provided with teeth, and the teeth are meshed with the teeth on the surface of the second gear (511).

3. An adjustment device for an office chair back to lie supine according to claim 1, wherein: the bottom surface of the seat cushion (1) is provided with a sliding groove, and the stress plate (57) and the seat cushion (1) form sliding connection.

4. An adjustment device for an office chair back to lie supine according to claim 1, wherein: the length of the supporting legs (59) is equal to the height of the chair legs (2).

5. An adjustment device for an office chair back to lie supine according to claim 1, wherein: stop gear (4) are still including fixed frame (41), the fixed surface of cushion (1) is connected with fixed frame (41), and the inner wall fixed surface of fixed frame (41) is connected with linking frame (42), the inside of linking frame (42) is inserted and is equipped with spring (43), and spring (43) keep away from one end fixedly connected with fixture block (44) of fixed frame (41), dwang (46) run through cushion (1) through the bearing, dwang (46) are located the outside both ends surface cover of cushion (1) and are equipped with first gear (45).

6. An adjustment device for an office chair back to lie supine according to claim 1, wherein: the inner wall surface equidistance of fixed frame (41) is provided with multiunit connecting frame (42), spring (43) and fixture block (44), and the multiunit that the equidistance set up fixture block (44) and first gear (45) surface tooth mesh mutually.