WO2021185205A1

WO2021185205A1 - Office leisure chair

Info

Publication number: WO2021185205A1
Application number: PCT/CN2021/080813
Authority: WO
Inventors: 王江林; 刘磊; 王玄
Original assignee: 恒林家居股份有限公司
Priority date: 2019-12-06
Filing date: 2021-03-15
Publication date: 2021-09-23
Also published as: CN212139933U; CN212117617U; CN111150249A

Abstract

Disclosed is an office leisure chair, comprising chair legs, and a chair seat (2) and a chair back, which are arranged above the chair legs, wherein the chair seat (2) is connected to a foot pad telescopic mechanism; and the foot pad telescopic mechanism comprises a foot pad body (52) slidably connected to the chair seat (2) and a support rod (51), the foot pad body (52) being arranged on a distal end part of the support rod (51). The foot pad body (52) is slidably connected to the chair seat (2) by means of the support rod (51), so as to be suitable for people with different heights or leg lengths.

Description

Office leisure chair

Technical field

The invention relates to the field of chairs, in particular to an office leisure chair.

Background technique

Modern people's demand for office chairs is not only limited to comfortable and healthy sitting, but also hope that office chairs can become a place to rest and rest between work. Therefore, many products combining office chairs and leisure chairs have appeared on the market. However, these office leisure chairs are often only the back of the chair can be turned back to relax people's back, but ignore the people's legs and feet, so they can't really relax the whole body.

Based on the above reasons, the prior art, such as the Chinese utility model patent with the publication number "CN203000027U", discloses a chair-back linkage office leisure chair, which includes a cushion, a bracket installed at the bottom of the cushion, an armrest, and a chair leg with rollers. A lifting device is installed on the bracket, the chair legs are installed at the bottom of the bracket, the armrests are fixed on both sides of the seat cushion, and the chair back, the linkage device and the foot pad are also included. The backrest of the chair is connected to the cushion through the backrest tilting mechanism, the linkage device includes a backrest support frame, a first linkage rod and a second linkage rod, the backrest support frame, the The first linkage rod and the second linkage rod are sequentially hinged, and the foot pad is installed at the end of the second linkage rod. The beneficial effect of the solution is that the state of the office leisure chair is changed according to different postures of the human body, and the comfortableness of relaxation and work of the human body is maximized through the retractable foot pad and the chair back, and the operation is simple.

However, although the above-mentioned existing office leisure chairs provide foot pads for resting their feet while lying down, this type of office leisure chairs have the following two deficiencies:

1. The foot pad is exposed to the outside when it is stored, which affects the appearance and use.

2. This type of foot pad is either linked with the back of the chair, or can only be positioned when the foot pad is fully stowed and fully withdrawn; in this way, this type of foot pad cannot be used by people of different heights or leg lengths. . For example, when the above-mentioned incompletely applicable users can only make the foot pads in an active state and cannot be positioned, this sense of instability will not be able to relax the user's body and mind and affect rest.

technical problem

In order to solve the above problems, the object of the present invention is to provide an office leisure chair, the foot pad body is slidably connected to the chair seat through a bracket rod so as to be suitable for people of different heights or leg lengths.

A further object of the present invention is to provide an office leisure chair, which is at least partially in the seat cavity when the foot pad body is in the storage state. In this way, the foot pad body part is accommodated in the seat cavity, which is not easily noticeable from the outside, and will not affect normal riding requirements.

A still further object of the present invention is to provide an office leisure chair. The length of the foot pad body that can extend outward is realized by two-stage sliding, and the sliding path of the two-stage sliding can be arranged up and down, which is reduced compared to single-stage sliding. The length of the sliding path of each level is reduced, the length of the support rod is reduced, and the foot pad body is easy to hide. And, satisfied with people of different heights or leg lengths.

Technical solutions

In order to achieve the above objectives, the present invention adopts the following technical solutions:

An office leisure chair, comprising a chair leg, a chair seat and a chair back arranged above the chair leg; the chair seat is connected with a foot pad expansion mechanism; the foot pad expansion mechanism includes a foot slidably connected to the chair seat The pad body and the bracket rod; the foot pad body is arranged on the outer end of the bracket rod.

The seat includes an upper bracket for forming a seating surface, and a bottom plate below the upper bracket, a seat cavity is formed between the upper bracket and the bottom plate; when the foot pad body is in the stored state, at least part of the seat cavity is .

The present invention adopts the above technical solution, which relates to an office leisure chair, which includes a chair leg, a chair seat and a backrest arranged above the chair leg; and a foot pad telescopic mechanism is connected to the chair seat. Different from the existing structure, the seat includes an upper bracket for forming a seating surface, and a bottom plate under the upper bracket, and a seat cavity is formed between the upper bracket and the bottom plate. When the foot pad body is in the stored state, it is at least partially in the seat cavity. In this way, the foot pad body part is accommodated in the seat cavity, which is not easily noticeable from the outside, and will not affect normal riding requirements.

It should be noted that the part of the foot pad body is in the seat cavity, which mainly refers to that the bottom plate does not completely cover the foot pad body in the stored state. The upper bracket is bound to completely cover the foot pad body in the stowed state, so that the foot pad body in the stowed state does not affect the use.

The foot pad telescoping mechanism further includes a support rod slidably connected to the seat, and the foot pad body is slidably connected to the outer end of the support rod; the support rod is in a first sliding path relative to the chair seat, and the foot pad body In the second sliding path relative to the outer end of the support rod; one of the sliding paths is provided with positioning stations at both ends, so that the two parts in the sliding path are relatively fixed at the beginning and the end of the sliding path; the other sliding The path is provided with a plurality of positioning stations between the two ends, so that the two parts in the sliding path have a plurality of positioning positions.

In this technical solution, the foot pad telescoping mechanism includes a support rod slidably connected to the seat, and a foot pad body slidably connected to the outer end of the support rod. That is to say, in the foot pad retractable mechanism, on the one hand, the support rod can slide relative to the seat, and on the other hand, the foot pad body can slide relative to the outer end of the support rod; the length of the foot pad body that can extend outward is passed through two One-stage sliding is realized, and the sliding paths of two-stage sliding can be arranged up and down. Compared with single-stage sliding, the length of each sliding path is reduced, the length of the support rod is reduced, and the foot pad body is easy to hide.

And as mentioned above, in the first sliding path of the support rod relative to the seat, and in the second sliding path of the foot pad body relative to the outer end of the support rod; one of the sliding paths is provided with positioning stations at both ends, So that the two parts in the sliding path are relatively fixed at the beginning and the end of the sliding path; the other sliding path is provided with multiple positioning stations between the two ends, so that the two parts in the sliding path have multiple positioning Location. A further preferred solution is that the bracket rod is provided with positioning stations at both ends of the first sliding path relative to the seat, so that the bracket rod is relatively fixed with respect to the seat at the beginning and end of the first sliding path; The second sliding path of the foot pad body relative to the outer end of the support rod is provided with a plurality of positioning stations between the two ends, so that the foot pad body has a plurality of positioning positions relative to the outer end of the support rod.

On the basis of the above-mentioned two-level sliding path, positioning stations are provided at both ends of a sliding path, which realizes that the two parts are relatively fixed at the beginning and end of the sliding path, which corresponds to the storage state and the unfolded state of the foot pad body. The other sliding path is provided with multiple positioning stations between the two ends, and the positioning requirements of different positions of the foot pad body are realized through multiple positioning stations, which is suitable for people of different heights or leg lengths.

Preferably, the seat is provided with a sliding guide member, and the bracket rod penetrates the sliding guide member and can slide relative to the sliding guide member; both ends of the bracket rod can be snap-connected and fixed with the sliding guide member. In this technical solution, it is defined that the bracket rod is slid relative to the sliding guide member fixed on the seat, and the positioning of the two ends of the sliding path is realized by the two ends of the bracket rod being buckled with the sliding guide member. This solution The middle corresponds to the stowed state and unfolded state of the foot pad body.

Preferably, the sliding guide component includes a housing, and a channel for guiding the support rod is provided inside the housing; the housing on the open side at both ends of the channel is provided with a clamp block or bayonet, and the inner and outer ends of the support rod A bayonet or block adapted to it is provided on the part. In this technical solution, the buckle connection and fixation is achieved through the cooperation of the clamping block and the bayonet; and the buckle connection between the clamping block and the bayonet is preferably elastic, and does not need to be forcibly unlocked and locked, and only needs to be used. Locking and unlocking can be achieved with a force greater than a certain value, so that the user can push in or pull out forcefully to lock or unlock.

Preferably, a cushion cover is fixedly installed in the channel of the housing, and at least one abutment portion is provided on all inner wall end surfaces of the cushion cover; The most recessed area of the abutting part on the end surface of all the inner wall of the cushion sleeve abuts against the bracket rod. In this technical solution, a cushion cover is provided on the channel inside the housing for contacting and positioning the bracket rod, and each inner wall end surface of the cushion cover is provided with at least one curved bending part seat recessed toward the inside of the channel relative to the cushion cover. The support part, the abutment part is arranged so that the bracket rod only abuts against the most recessed area on the abutment part, thus reducing the contact area between the cushion cover and the support rod, and in the embodiment, the cushion cover is preferably selected as a metal cover, then The sliding resistance of the support rod relative to the cushion cover is smaller, and the sliding is smoother.

Preferably, the seat cavity of the chair seat is further provided with a first sliding groove, the sliding guide member is embedded on the front end of the first sliding groove in the seat cavity, and the bracket rod is slidably arranged in the first sliding groove and Pass through the sliding guide member. In this technical solution, a seat cavity is provided on the seat, and the sliding guide member is embedded in the front end of the first sliding groove in the seat cavity. When in use, the bracket rod moves along the first sliding groove relative to the sliding guide member, so that the foot pad body can slide relative to the seat seat to adjust between the stowed state and the unfolded state. In addition, in the storage state, the foot pad body is hidden and stored in the seat cavity of the chair seat. From the outside, only the overall chair seat can be seen, but the foot pad telescopic mechanism and the foot pad cannot be seen, and the appearance is simple and beautiful.

Preferably, a positioning block is provided on the outer end of the bracket rod, a second sliding groove is provided on the foot pad body, and the positioning block is embedded in the second sliding groove and can move along the second sliding groove; The second sliding groove is provided with a plurality of positioning stations between the two ends, so that the positioning block has a plurality of positioning positions relative to the second sliding groove.

Preferably, racks are provided on both side walls of the second sliding groove; elastic arms are provided on both ends of the positioning block, an elastic deformation space is provided between the elastic arm and the positioning block, and the free end of the elastic arm The end part is provided with a positioning tooth part matched with the rack. In this technical solution, the foot pad body is provided with racks on both side walls of the second sliding groove, and the racks guide and locate the positioning block. Specifically, when the positioning block moves relative to the rack, the positioning tooth is always attached to the rack under the action of the elastic arm on the positioning block; when the positioning tooth is against the tooth tip on the rack, the elastic arm deforms; When the positioning tooth portion and the tooth groove on the rack abut, the elastic arm is reset.

Preferably, the side wall of the foot pad body closes the two ends of the second chute, and the middle of the second chute is provided with guide ribs arranged along the direction of the chute; the positioning block is composed of two unit blocks The butt joint is configured, and the butt surfaces of the two unit blocks are provided with guide grooves that are matched with the guide ribs. In this technical solution, the side wall of the foot pad body closes the two ends of the second sliding groove, so that the positioning block will not be separated from the second sliding groove when moving along the second sliding groove; Guide to avoid misalignment when the two sides of the positioning block slide with the rack.

Preferably, the lower part of the seat is connected to the upper part of the seat foot through the tilting chassis, and the lower end of the seat back is movably connected to the rear end of the seat or the rear end of the tilting chassis. In this technical solution, the seat back is connected to the rear end of the seat or the rear end of the tilting chassis in a hinged manner; it can be used to adjust the tilt angle of the seat back, and is used in conjunction with the foot pad extension mechanism.

Beneficial effect

The present invention has the following beneficial effects:

1. The foot pad body is slidably connected to the seat through the bracket rod to be suitable for people of different heights or leg lengths.

2. When the foot pad body is in the storage state, it is at least partially in the seat cavity. In this way, the foot pad body part is accommodated in the seat cavity, which is not easily noticeable from the outside, and will not affect normal riding requirements.

3. The length of the foot pad body that can extend outward is realized by two-stage sliding, and the sliding path of the two-stage sliding can be arranged up and down. Compared with single-stage sliding, the length of each sliding path is reduced and the bracket is reduced. The length of the rod, and it is convenient to hide the body of the foot pad. And, satisfied with people of different heights or leg lengths.

Description of the drawings

Fig. 1 is a schematic diagram of a folded state of the foot pad of the office leisure chair according to the invention.

Fig. 2 is a schematic diagram of the foot pad in the unfolded state of the office leisure chair created by the present invention.

Figure 3 is a schematic diagram of the assembly of the foot pad telescoping mechanism and the chair seat.

Fig. 4 is a schematic diagram of assembling the sliding guide component and the support rod.

Figure 5 is a schematic diagram of the assembly of the support rod and the foot pad body.

Fig. 6 is a schematic diagram of a positioning block provided at the outer end of the support rod.

Embodiments of the present invention

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “clockwise”, and “counterclockwise” are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present invention. Limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more than two, unless specifically defined otherwise.

In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations.

In the present invention, unless expressly stipulated and defined otherwise, the "above" or "below" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them. Moreover, the "above", "above" and "above" of the first feature on the second feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature. The “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

An office leisure chair as shown in Figures 1 to 6 includes a chair leg, a chair seat 2 and a chair back set above the chair leg. In a further preferred solution, the lower part of the seat 2 is connected to the upper part of the seat foot through the tilting chassis 4, and the lower end of the seat back is movably connected to the rear end of the seat 2 or the rear end of the tilting chassis 4.

A foot pad telescopic mechanism is connected to the seat 2. In the above technical solution, the seat back is connected to the rear end of the seat 2 or the rear end of the reclining chassis 4 in a hinged manner. It can be used to adjust the tilt angle of the chair back, and it can be used with the foot cushion telescopic mechanism.

For the foot pad telescopic mechanism, its specific structure is as follows:

The foot pad telescoping mechanism includes a support rod 51 slidably connected to the seat 2 and a foot pad body 52 slidably connected to the outer end of the support rod 51. Different from the existing structure, the foot pad telescoping mechanism includes a support rod 51 slidably connected to the seat 2 and a foot pad body 52 slidably connected to the outer end of the support rod 51. That is to say, in the footrest retractable mechanism, on the one hand, the support rod 51 can slide relative to the seat 2 and on the other hand, the footrest body 52 can slide relative to the outer end of the support rod 51. The length of the foot pad body 52 that can extend outward is achieved by two-stage sliding, and the sliding path of the two-stage sliding can be arranged up and down, which reduces the length of each sliding path and reduces the bracket rod compared with single-stage sliding. 51 length, and easy to hide the foot pad body 52.

On the basis of the above solution, the bracket rod 51 is in the first sliding path relative to the seat 2 and the foot pad body 52 is in the second sliding path relative to the outer end of the bracket rod 51. Positioning stations are provided at both ends of one of the sliding paths, so that the two parts in the sliding path are relatively fixed at the beginning and the end of the sliding path. The other sliding path is provided with a plurality of positioning stations between the two ends, so that the two parts in the sliding path have a plurality of positioning positions. In this solution, positioning stations are provided at both ends of a sliding path, which realizes that the two components are relatively fixed at the beginning and end of the sliding path, which corresponds to the adjustment between the storage state and the unfolded state of the foot pad body 52. The other sliding path is provided with a plurality of positioning stations between the two ends, and the positioning requirements of different positions of the foot pad body 52 are realized by the plurality of positioning stations, which is suitable for people of different heights or leg lengths.

In the technical solution shown in the figure, the support rod 51 is provided with positioning stations at both ends of the first sliding path relative to the seat 2 so that the support rod 51 is positioned relative to the seat 2 The beginning and the end of the first sliding path are relatively fixed. The second sliding path of the foot pad body 52 relative to the outer end of the bracket rod 51 is provided with a plurality of positioning stations between the two ends, so that the foot pad body 52 has more than the outer end of the bracket rod 51. Locations. That is to say, in this solution, the movement adjustment of the bracket rod 51 relative to the seat 2 realizes the adjustment between the storage state and the unfolded state of the foot pad body 52; the foot pad body 52 is adjusted relative to the outer end of the bracket rod 51 to realize the foot pad body 52 Positioning needs of different locations.

In a specific embodiment, a sliding guide member 53 is provided on the seat 2, and the bracket rod 51 is inserted in the sliding guide member 53 and can slide relative to the sliding guide member 53. Both ends of the bracket rod 51 can be snap-connected and fixed with the sliding guide member 53. In this technical solution, it is defined that the bracket rod 51 is slid relative to the sliding guide member 53 fixed on the seat 2, and the two ends of the bracket rod 51 are snap-connected with the sliding guide member 53 to realize both ends of the sliding path. The positioning of the foot pad body 52 in this solution corresponds to the stored state and the expanded state of the foot pad body 52. Specifically, the sliding guide member 53 includes a housing 531, and a channel 532 for guiding the support rod 51 is provided in the housing 531. The housing 531 on the open side at both ends of the channel 532 is provided with a clamping block 533 or bayonet, and the inner and outer ends of the bracket rod 51 are provided with a bayonet 511 or clamping block adapted to it. In this technical solution, the buckle connection and fixation are realized through the cooperation of the clamping block and the bayonet. The buckle connection between the card block and the bayonet is preferably flexible, and does not require forced unlocking and locking. It only needs to apply a force greater than a certain value to achieve locking and unlocking, so that the user pushes hard. It can be locked or unlocked by pulling in or out. As shown in the figure, the housing 531 on the open side at both ends of the channel 532 is provided with a clamping block 533, and the inner and outer ends of the bracket rod 51 are provided with a bayonet 511, and both ends of the clamping block are arc-shaped. The two sides of the bayonet are also arc-shaped walls, and the opening end of the bayonet is smaller than the maximum diameter of the bayonet. In this way, when a large pressure or tension is applied, the clamping block can be locked into the bayonet to be fixed or drawn out by the bayonet, without locking or unlocking.

Further, a cushion cover 54 is fixedly installed in the channel 532 of the housing 531, and at least one abutting portion 541 is provided on all inner wall end surfaces of the cushion cover 54. The abutment portion 541 is an arc-shaped bent portion recessed toward the inside of the channel 532 relative to the cushion cover 54, and the most concave area of the abutment portion 541 on all inner wall end surfaces of the cushion cover 54 abuts against the bracket rod 51. In this technical solution, a cushion cover 54 is provided on the channel 532 inside the housing 531 for contacting and positioning the support rod 51, and at least one end surface of each inner wall of the cushion cover 54 is recessed toward the inside of the channel 532 relative to the cushion cover 54 The arc-shaped bent portion seat abutting portion 541, the setting of the abutting portion 541 makes the bracket rod 51 only abut against the most recessed area on the abutting portion 541, thus reducing the contact area between the cushion cover 54 and the bracket rod 51, and In the embodiment, the cushion cover 54 is preferably selected as a metal cover, so that the sliding resistance of the support rod 51 relative to the cushion cover 54 is smaller and the sliding is smoother.

The seat 2 includes an upper bracket 20a for forming a seating surface, and a bottom plate 20b below the upper bracket. A seat cavity 21 is formed between the upper bracket and the bottom plate; the foot pad body 52 is at least partially in the stowed state Inside the seat cavity 21. Different from the existing structure, the seat includes an upper bracket for forming a seating surface, and a bottom plate under the upper bracket, and a seat cavity is formed between the upper bracket and the bottom plate. When the foot pad body is in the stored state, it is at least partially in the seat cavity. In this way, the foot pad body part is accommodated in the seat cavity, which is not easily noticeable from the outside, and will not affect normal riding requirements.

This solution can be implemented as follows:

1. An independent bottom plate is provided under the seat (2) and forms a seat cavity 21 with it;

2. The seat 2 is provided with a seat cavity 21 for accommodating the foot pad body 52, and a cavity 22 is provided on the front end of the seat cavity 21.

This embodiment adopts the method shown in the figure (that is, the second solution). The seat cavity 21 of the seat 2 is also provided with a first sliding groove 23, and the sliding guide member 53 is embedded in the seat cavity 21 of the seat 2. At the front end of the first sliding groove 23 inside, the bracket rod 51 is slidably arranged in the first sliding groove 23 and passes through the sliding guide member 53. The foot pad body 52 can enter the seat cavity 21 of the seat 2 through the cavity 22. In this technical solution, a seat cavity 21 is provided on the seat 2, and the sliding guide member 53 is embedded in the front end of the first sliding groove 23 in the seat cavity 21 of the seat 2. When in use, the bracket rod 51 moves along the first sliding groove 23 relative to the sliding guide member 53 so that the foot pad body 52 can slide relative to the seat 2 so as to be adjusted between the stowed state and the unfolded state. In addition, in the storage state, the foot pad body 52 is hidden and stored in the seat cavity 21 of the seat 2. From the outside, only the entire seat 2 can be seen, but the foot pad telescopic mechanism and the foot pad cannot be seen. Simple and beautiful.

In addition, as shown in Figures 5 and 6, a positioning block 55 is provided on the outer end of the bracket rod 51, a second sliding groove 521 is provided on the foot pad body 52, and the positioning block 55 is embedded in the second sliding groove 521 And can move along the second chute 521. The second sliding groove 521 is provided with a plurality of positioning stations between the two ends, so that the positioning block 55 has a plurality of positioning positions relative to the second sliding groove 521. The two side walls of the second sliding groove 521 are provided with racks 522. Elastic arms 551 are provided on both ends of the positioning block 55, an elastic deformation space 552 is provided between the elastic arms 551 and the positioning block 55, and the free ends of the elastic arms 551 are provided with the rack 522 to cooperate with each other.的Locating teeth 553. In this technical solution, the foot pad body 52 is provided with racks 522 on both side walls of the second sliding groove 521, and the racks 522 guide and position the positioning block 55. Specifically, when the positioning block 55 moves relative to the rack 522, the positioning tooth 553 is always attached to the rack 522 under the action of the elastic arm 551 on the positioning block 55. When the positioning tooth 553 abuts the tooth tip on the rack 522, the elastic arm 551 is deformed. When the positioning tooth portion 553 abuts the tooth groove on the rack 522, the elastic arm 551 is reset. In a further solution, springs can be provided on both ends of the positioning block 55 and the two side walls of the second sliding groove 521 of the foot pad body 52, so that the foot pad body 52 has a more toothy feel when the foot pad body 52 is pulled.

On the basis of the above solution, the side wall of the foot pad body 52 closes the two ends of the second sliding groove 521, and the middle of the second sliding groove 521 is provided with a guide rib 524 arranged along the sliding groove direction. The positioning block 55 is formed by butting two unit blocks 554, and the mating surfaces of the two unit blocks 554 are provided with a guide groove 555 that matches the guide rib 524. The side wall of the foot pad body 52 closes the two ends of the second sliding groove 521 so that the positioning block 55 will not be separated from the second sliding groove 521 when moving along the second sliding groove 521. The guide ribs 524 are arranged to guide the sliding of the positioning block 55 to avoid misalignment when the two sides of the positioning block 55 slide with the rack 522. In addition, as shown in FIG. 6, the positioning block 55 is provided with a plurality of convex ribs 556 arranged along the sliding groove direction of the second sliding groove 521 on the end surface of the mat body 52 to reduce the positioning block 55 and The contact area of the foot pad body 52 makes sliding more smooth. Moreover, as mentioned above, the bayonet provided on the outer end of the bracket rod 51 is formed by butting the two unit blocks 554 in this embodiment. The shape of the bayonet is the same as that of the bayonet on the inner end of the bracket rod 51. The mouth is consistent.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , Structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art will not depart from the principle and purpose of the present invention. Under the circumstances, changes, modifications, substitutions and modifications can be made to the above-mentioned embodiments within the scope of the present invention.

Claims

An office leisure chair, including a chair leg, a chair seat (2) and a chair back arranged above the chair leg; a foot pad telescopic mechanism is connected to the chair seat (2); it is characterized in that: the foot pad telescopic mechanism includes The foot pad body (52) and the support rod (51) are slidably connected to the chair seat (2), and the foot pad body (52) is arranged on the outer end of the support rod (51).
The office leisure chair according to claim 1, characterized in that: the seat includes an upper bracket (20a) for forming a seating surface, and a bottom plate (20b) under the upper bracket (20a), and the upper bracket (20a) A seat cavity (21) is formed between) and the bottom plate (20b); when the foot pad body (52) is in the stored state, at least part of it is in the seat cavity (21).
The office leisure chair according to claim 1, characterized in that: the foot pad body (52) is slidably connected to the outer end of the bracket rod (51); the bracket rod (51) is relative to the seat (2). In a sliding path, and in the second sliding path of the foot pad body (52) relative to the outer end of the bracket rod (51); the two ends of one of the sliding paths are provided with positioning stations, so that the sliding path The two parts are relatively fixed at the beginning and end of the sliding path; the other sliding path is provided with multiple positioning stations between the two ends, so that the two parts in the sliding path have multiple positioning positions.
The office leisure chair according to claim 3, characterized in that: both ends of the first sliding path of the support rod (51) relative to the seat (2) are provided with positioning stations, so that the support rod ( 51) Relative to the seat (2) at the beginning and end of the first sliding path; the second sliding path of the foot pad body (52) relative to the outer end of the support rod (51) is between the two ends A plurality of positioning stations are provided, so that the foot pad body (52) has a plurality of positioning positions relative to the outer end of the bracket rod (51).
The office leisure chair according to claim 4, characterized in that: the seat (2) is provided with a sliding guide member (53), and the bracket rod (51) is inserted in the sliding guide member (53) and can be opposed to each other. The sliding guide component (53) slides; the two ends of the bracket rod (51) can be snap-connected and fixed with the sliding guide component (53).
The office leisure chair according to claim 5, characterized in that: the sliding guide member (53) comprises a housing (531), and a channel ( 532); the housing (531) on the opening side of the two ends of the channel (532) is provided with a clamping block (533) or bayonet, and the inner and outer ends of the bracket rod (51) are equipped with matching cards口(511) or card block.
The office leisure chair according to claim 6, characterized in that: a cushion cover (54) is fixedly installed in the channel (532) of the housing (531), and all inner wall end surfaces of the cushion cover (54) are provided with at least An abutment part (541); the abutment part (541) is an arc-shaped bent part recessed into the channel (532) relative to the cushion cover (54), and all the inner wall end surfaces of the cushion cover (54) abut The most recessed area of the part (541) abuts against the bracket rod (51).
The office leisure chair according to claim 5, characterized in that: the seat cavity (21) of the chair seat (2) is further provided with a first sliding groove (23), and the sliding guide member (53) is embedded in the chair On the front end of the first sliding groove (23) in the seat cavity (21) of the seat (2), the bracket rod (51) is slidably arranged in the first sliding groove (23) and passes through the sliding guide member (53).
The office leisure chair according to claim 4, characterized in that: a positioning block (55) is provided on the outer end of the support rod (51), and a second sliding groove (521) is provided on the foot pad body (52). ), the positioning block (55) is embedded in the second chute (521) and can move along the second chute (521); the second chute (521) is provided with multiple There are two positioning stations, so that the positioning block (55) has multiple positioning positions relative to the second chute (521).
The office leisure chair according to claim 9, characterized in that: racks (522) are provided on both side walls of the second chute (521); both ends of the positioning block (55) are provided with The elastic arm (551) is provided with an elastic deformation space (552) between the elastic arm (551) and the positioning block (55), and the free end of the elastic arm (551) is provided with the rack (522). Matching positioning teeth (553).
The office leisure chair according to claim 10, characterized in that: the side wall of the foot pad body (52) closes the two ends of the second chute (521), and the middle of the second chute (521) is provided with A guide rib (524) arranged along the direction of the chute; the positioning block (55) is formed by butting two unit blocks (554), and the butting surface of the two unit blocks (554) is provided with the guide rib The guide groove (555) that matches the strip (524).