CN105455472B - Leisure type work chair embraces the wide amplitude of oscillation structure of formula of lying - Google Patents

Abstract

The invention discloses a chair, which provides a leisure-style work chair with a reclining and lying-type wide-swing structure, which is comfortable to lie on, takes up little space, and the chair surface can swing freely back and forth, and the swing angle can be locked arbitrarily. There are technical problems that the chair seat has poor comfort when lying down, single function, and takes up a lot of space when lying down. It includes a lifting rod and a seat bottom supported on the top of the lifting rod. The guide rail mechanism is slidably connected with an arc-shaped seat slide that can support the human body to lie down on the guide rail mechanism. An arc-shaped rack is arranged on the convex surface of the arc-shaped seat slide corresponding to the seat bottom plate, and an arc-shaped rack corresponding to the arc-shaped rack There is a locking mechanism on the seat bottom that can lock the curved rack in any position.

Description

Leisure work chair with reclining wide swing structure

technical field

The invention relates to a chair, in particular to a leisure-style work chair with a reclining and wide-swing structure, which is comfortable to lie on, takes up little space, and can freely swing back and forth on the seat surface, and the swing angle can be locked arbitrarily.

Background technique

Existing chairs can generally only adjust the backrest when lying down, that is, the backrest is turned forward or backward relative to the seat surface, and the seat surface remains motionless, so the hips tend to slide forward when lying down, and the human body cannot perceive relaxation and comfort. It is single, and takes up a lot of space when the backrest is unfolded, which brings a lot of inconvenience to use.

Contents of the invention

The present invention mainly provides a leisure work chair with a reclining and wide swing structure, which is comfortable to sit, takes up little space, the seat surface can swing freely back and forth, and the swing angle can be locked arbitrarily, which solves the problems existing in the prior art. The chair seat has poor comfort when lying down, single function, and takes up a lot of technical problems when lying down and using.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a leisure work chair with a wide swing structure, including a lifting rod and a seat bottom plate supported on the top of the lifting rod. There is a guide rail mechanism on the bottom plate, and an arc-shaped seat slide that can support the human body to sit is slidably connected to the guide rail mechanism. An arc-shaped rack is arranged on the convex surface of the arc-shaped seat slide corresponding to the seat bottom plate. The seat bottom plate corresponding to the rack is provided with a locking mechanism that can lock the arc rack at any position. The seat bottom plate supports the arc-shaped seat slide for the human body to lie down through the guide rail mechanism. When in use, the arc-shaped seat slide slides back and forth along the guide rail mechanism to realize in-situ flipping. The space is small, and the function of cradle-style swinging back and forth can be realized, with high comfort and good relaxation effect, and the arc-shaped rack is set on the outer surface of the arc-shaped seat slide, and the arc-shaped rack is locked by the locking mechanism to achieve The swing angle locking of the arc-shaped seat slide, because the tooth profile on the arc-shaped rack is continuously distributed, it can be matched with any tooth profile through the locking mechanism to realize the swing angle lock. The structure is simple, safe and reliable.

Preferably, the locking mechanism includes a bushing arranged between the lifting rod and the seat bottom, and the seat bottom corresponding to the bushing is provided with a clutch positioning hole, which can be slid and inserted in the clutch positioning hole to connect with the arc-shaped tooth. The clutch gear block engaged by the bar is provided with a swing arm handle which can make the clutch gear block slide upwards and engage with the arc rack at the lower end of the clutch gear block. Slidingly connect the clutch gear block on the seat bottom to engage with the arc-shaped rack. When the position of the arc-shaped seat slide plate needs to be locked, the swing arm handle pushes the clutch gear block upward to engage with the arc-shaped rack. When unlocking Pull back the handle, and the clutch gear block can be moved down to disengage from the arc-shaped rack. The locking mechanism is simple and easy to use.

As more preferably, the swing arm handle is T-shaped, the longitudinal side of the T-shaped swing arm handle is rotatably connected to the seat floor, and the end of the longitudinal side extends to the outside of the casing, and the transverse side of the swing arm handle is coaxially clamped. It is arranged between the clutch gear block and the lifting rod. The T-shaped swing arm handle is simple in structure and easy to use.

As more preferably, a three-level limit boss that can limit the swing angle of the swing arm handle is provided on the seat bottom corresponding to the outer end of the swing arm handle. When it is on the highest boss in the platform, the inner end of the swing arm handle touches the clutch gear block upwards and meshes with the arc-shaped rack. The inner end of the swing arm handle touches the lifting rod to trigger the seat lift. When the outer end of the swing arm handle is clamped on the middle boss among the three-level limit bosses, the inner end of the swing arm handle connects with the clutch gear block and the lifting lever. There is a gap between the rods. By setting a three-level limit boss on the seat bottom plate, and through each step on the three-level limit boss to limit the position of the swing arm handle, the arc-shaped seat slide plate can be kept locked, can freely swing back and forth, and trigger lifting The seat is raised and lowered by the rod to realize the third gear function, and the structure is simple and the concept is ingenious.

Preferably, the locking mechanism is a stop bar inserted horizontally between the teeth gaps of the arc-shaped rack. The position of the curved seat slide plate is realized by inserting the blocking rod horizontally between the adjacent tooth gaps of the curved rack, and the structure is simple and easy to realize.

As a preference, the guide rail mechanism includes two sets of slide assemblies arranged in parallel on both sides of the upper surface of the seat base. There is an L-shaped stop bar, the longitudinal side of the stop bar is fixed on the side of the load-bearing seat, the transverse side of the stop bar is arranged horizontally above the load-bearing seat, and the side pressure roller is connected to the longitudinal side of the bar corresponding to the top of the load-bearing seat. Rotating on the lateral edge of the stop bar is connected with the pressing rollers, and the two side edges of the arc-shaped seat slide plate are clamped between the horizontal rollers and the pressing rollers on the corresponding side and keep rolling connection with the side pressing rollers. The guide rail mechanism is composed of two groups of left and right sliding seat assemblies. The inner and outer edges of the port of the arc-shaped seat slide are clamped by horizontal rollers and down-pressing rollers, and the left and right end faces are clamped by side-pressing rollers to prevent arcing. The curved seat slide swayed left and right during the rotation connection, and even derailed, which has good safety and high reliability; the curved seat slide and the guide rail mechanism are connected by rolling, with small running resistance and low energy consumption. Noise is low.

More preferably, the load-bearing seat includes a left vertical board and a right vertical board arranged parallel to the seat bottom, and horizontal rollers are arranged horizontally between the left vertical board and the right vertical board. The horizontal roller is positioned through the support of the left and right vertical plates, and the positioning method is simple and reliable.

Preferably, the arc-shaped seat slide includes a pair of arc-shaped slide rail bars arranged in parallel, and several connecting rods are arranged horizontally between the arc-shaped slide rail bars, and the arc-shaped racks are correspondingly fixed in the middle of the connecting rods. And the upper end of the arc-shaped slide rail extends inward to form a backrest support rod, and the lower end of the arc-shaped slide rail extends inward to form an armrest support rod. The curved seat slide of the frame structure has high strength and light weight; the back support rod and armrest support rod formed by integral extension are convenient for fixing the seat back and armrest.

More preferably, an elastic seat back is provided between the backrest support rods, an elastic seat cushion is provided between the corresponding arc-shaped slide rails between the armrest support rods, and the seat armrest is fixed on the armrest support rods. Elastic seat back and elastic seat cushion for comfortable reclining.

Preferably, a guide rail cover is provided on the seat bottom corresponding to the guide rail mechanism, and the guide rail mechanism is covered in the guide rail cover. The guide rail cover can prevent the guide rail mechanism from being exposed, ensure the aesthetic appearance of the seat and improve safety and reliability.

Therefore, the leisure work chair of the present invention has the following advantages: the seat bottom plate supports the arc-shaped seat slide plate through the guide rail mechanism, and the arc-shaped seat slide plate slides forward and backward along the guide rail mechanism to realize in-situ flipping , takes up little space, and can realize the cradle-like swinging function, with high comfort and good relaxation effect; an arc-shaped rack is set on the outer surface of the arc-shaped seat slide, and through the clutch that meshes with the arc-shaped rack The gear block locks the swing angle arbitrarily, the structure is simple, safe and reliable; the position of the swing arm handle is correspondingly limited by the three-stage limit boss, so that the arc-shaped seat slide plate is kept locked, freely swings back and forth, and triggers the lifting lever to lift the seat. The three-speed function is ingeniously conceived; the guide rail mechanism is composed of two sets of left and right sliding seat components, which can avoid the left and right swaying phenomenon of the arc-shaped seat skateboard during the rotation connection, which has good safety and high reliability; the arc-shaped seat The sliding plate and the guide rail mechanism are connected by rolling, which has small running resistance, low energy consumption and low noise.

Description of drawings:

Fig. 1 is a structural schematic diagram of a leisure work chair of the present invention with a lying and wide swing structure;

Fig. 2 is a partial structure schematic diagram of the present invention;

Fig. 3 is the structural representation of guide rail mechanism in the present invention;

Fig. 4 is a structural schematic diagram of the first embodiment of the locking mechanism in the present invention.

Detailed ways:

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Example 1:

As shown in Fig. 1, a kind of leisure work chair of the present invention has a lying-in-hugging wide-swing structure, which includes a pulley seat of the seat and a lifting rod 1 vertically fixed in the middle of the pulley seat, and supports the seat at the top of the lifting rod 1 The chair base 2 has a guide rail mechanism on the seat base 2, and a guide rail cover 10 is provided on the outer side of the guide rail mechanism, and an arc-shaped seat slide plate 3 that can support the human body to sit is slidably connected on the guide rail mechanism, and the guide rail wherein The mechanism includes two sets of sliding seat assemblies 4 arranged in parallel on the left and right sides of the upper surface of the seat bottom plate 2. As shown in Figure 3, the sliding seat assembly 4 includes a load-bearing seat 41 and horizontally arranged on the front and rear ends of the upper surface of the load-bearing seat 41. Two horizontal rollers 42, load-bearing base 41 comprise left vertical plate 411 and right vertical plate 412 that are welded on the seat bottom plate 2 in parallel, horizontal roller 42 is arranged horizontally between left vertical plate 411 and right vertical plate 412, on load-bearing base 41 An L-shaped stop bar 43 is fixed on the top, and the longitudinal side of the stop bar 43 is vertically fastened on the outer surface of the load-bearing seat 41 by bolts. On the longitudinal side of the corresponding retaining rod 43 above the load bearing seat 41, the side pressure roller 44 is rotated and connected, and the lower pressing roller 45 is rotated and connected on the lateral side of the retaining rod 43. Between the horizontal roller 42 and the pressing roller 45 on the corresponding side, and the port of the arc-shaped seat slide 3 is kept in rolling connection with the side pressing roller 44 . As shown in Figure 2, the arc-shaped seat slide 3 includes a pair of arc-shaped slide rail bars 31 arranged in parallel, several connecting rods 32 are transversely connected between the arc-shaped slide rail bars 31, and the upper ends of the arc-shaped slide rail bars 31 Extend inwardly to form a backrest support rod 33, and the lower end of the arc-shaped slide rail bar 31 extends inwardly to form an armrest support rod 34. As shown in Figure 1, an elastic seat back 6 is fixed between the left and right two backrest support rods 33. The elastic seat cushion 7 is fixed between the corresponding arc-shaped slide rail bars 31 between the armrest support bars 34, and the seat armrest 8 is also fixed on the armrest support bars 34. As shown in Figure 2, an arc-shaped rack 5 is installed on the convex surface of the arc-shaped seat slide plate 3 corresponding to the seat bottom plate 2, and the arc-shaped rack 5 is fixed on the middle part of the connecting rod 32 correspondingly, and is connected with the arc-shaped The seat bottom plate 2 corresponding to the rack 5 is provided with a locking mechanism capable of locking the arc rack 5 at any position. As shown in Figure 4, the locking mechanism includes a sleeve 91 coaxially fixed on the upper end of the lifting rod 1, the upper port of the sleeve 91 is fixed on the bottom surface of the seat bottom 2, and the middle part of the seat bottom 2 corresponding to the sleeve 91 is There is a clutch positioning hole 92, and a clutch gear block 93 that can mesh with the arc-shaped rack 5 is slid and inserted in the clutch positioning hole 92. The clutch gear block 93 is a stepped shaft structure with a large upper end and a smaller lower end, and its small diameter ends are matched and slid. Plugged in the clutch positioning hole 92, in order to reset the clutch gear block 93 quickly, a back-moving spring is also fixed on the outer ring surface of the clutch gear block 93, and a clutch can be connected to the lower end of the clutch gear block 93. The gear block 93 slides upwards and engages with the swing arm handle 94 of the arc rack 5. The swing arm handle 94 is in a T-shaped structure. The middle part is rotatably connected to the seat bottom plate 2, and the lateral side of the swing arm handle 94 is coaxially clamped between the clutch gear block 93 and the lifting rod 1, and fixed on the seat bottom plate 2 corresponding to the outer end of the swing arm handle 94 longitudinal side There is a three-stage limit boss 11 that can limit the swing angle of the swing arm handle 94. When the outer end of the swing arm handle 94 is engaged on the highest boss in the three-stage limit boss 11, the swing arm handle The inboard end of 94 abuts the clutch gear block 93 upwards and meshes with the arc rack 5. When the outboard end of the swing arm handle 94 is snapped on the lowest boss in the three-stage limiting boss 11, the swing arm handle 94 The inner end is connected to the lifting rod 1 to trigger the seat lift. When the outer end of the swing arm handle 94 is clamped on the middle boss in the three-stage limit boss 11, the inner end of the swing arm handle 94 and the clutch gear block 93 There is a gap between the lifting rod 1, and the arc-shaped seat slide 3 maintains a free swing state forward and backward.

During use, the outer end of the pull swing arm handle 94 is clamped on the highest boss in the three-stage limit boss 11, so that the clutch gear block 93 is upwardly engaged with the arc rack 5, and the human body seat lies on the elastic seat cushion 7 and On the elastic seat back 6, if the height of the seat needs to be adjusted, when the outer end of the swing arm handle 94 is pulled to be engaged on the lowest boss in the three-stage limit boss 11, the inner end of the swing arm handle 94 is connected to the lifting rod 1, trigger the seat lift, and then pull the outer end of the swing arm handle 94 to be clamped on the middle boss of the three-level limit boss 11, and the human body together with the elastic seat cushion 7 and the elastic seat back 6 keep swinging freely forward and backward state, when it is necessary to lock the swing angle of the arc-shaped seat slide plate 3, the outer end of the pull swing arm handle 94 is clamped on the highest boss in the three-stage limiting boss 11 and gets final product.

Example 2:

The locking mechanism is a retaining rod inserted horizontally between the slots of the arc racks 5, and the two ends of the retaining rod are clamped in the corresponding positioning holes on both sides of the seat bottom plate 2. All the other parts are identical to Example 1.

The specific embodiments described herein are merely illustrative of the concepts of the present invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (6)

1. a kind of leisure type work chair embraces the lie wide amplitude of oscillation structure of formula, including elevating lever（1）And it is supported on elevating lever（1）The seat on top Chair bottom plate（2）, it is characterised in that：In the seat plate（2）Guide rail mechanism is equipped with, being slidably connected on guide rail mechanism can Support human body is lain the arcuate seat slide plate of seat（3）, with seat plate（2）Corresponding arcuate seat slide plate（3）Convex surface is equipped with Arc-shaped rack（5）, with arc-shaped rack（5）Corresponding seat plate（2）Being equipped with can be by arc-shaped rack（5）Locking is at an arbitrary position Retaining mechanism；The retaining mechanism includes being arranged on elevating lever（1）With seat plate（2）Between casing（91）, with casing（91） Corresponding seat plate（2）It is equipped with clutch location hole（92）, in clutch location hole（92）Interior sliding plug can be with arc-shaped gear Bar（5）The clutch gear block of engagement（93）, in clutch gear block（93）Bottom be equipped with can make clutch gear block（93）Upwards Slip and and arc-shaped rack（5）The swing arm handle of engagement（94）；The swing arm handle（94）Swing arm handle in T shape, T-shaped （94）Longitudinal edge is rotatably connected on seat plate（2）On, and the end of longitudinal edge extends to casing（91）Outside, swing arm handle（94） Widthwise edge be coaxially folded in clutch gear block（93）And elevating lever（1）Between；With the swing arm handle（94）Outboard end corresponds to Seat plate（2）Swing arm handle can be limited by being equipped with（94）The three-level positive stop lug boss of swing angle（11）, when swing arm handle （94）Outboard end is connected to three-level positive stop lug boss（11）In highest boss on when, swing arm handle（94）Medial extremity apical grafting clutch Cluster gear（93）Upward and and arc-shaped rack（5）Engagement, when swing arm handle（94）Outboard end is connected to three-level positive stop lug boss（11） In minimum boss on when, swing arm handle（94）Medial extremity apical grafting elevating lever（1）Upper triggering seat lifting, when swing arm handle （94）Outboard end is connected to three-level positive stop lug boss（11）In intermediate lands on when, swing arm handle（94）Medial extremity and clutch tooth Take turns block（93）And elevating lever（1）Between be equipped with gap.

2. leisure type work chair according to claim 1 embraces the wide amplitude of oscillation structure of formula of lying, it is characterised in that：The guide rail mechanism Including being arranged in parallel within seat plate（2）Two groups of sliding assemblies of upper surface both sides（4）, sliding assembly（4）Including bearing base （41）And it is horizontally set with bearing base（41）Some horizontal rollers of upper surface（42）, in bearing base（41）Side be equipped with L-shaped gear Bar（43）, bar（43）Longitudinal edge is fixed on bearing base（41）On side, bar（43）Widthwise edge be horizontally set with bearing base（41） Top, and in bearing base（41）The corresponding bar in top（43）Side pressure roller is rotatablely connected on longitudinal edge（44）, in bar （43）Widthwise edge on be rotatablely connected down-pressure roller（45）, arcuate seat slide plate（3）Two sides along being clamped in respective side Horizontal roller（42）And down-pressure roller（45）Between and with side pressure roller（44）Keep rolling connection.

3. leisure type work chair according to claim 2 embraces the wide amplitude of oscillation structure of formula of lying, it is characterised in that：The bearing base （41）Seat plate is arranged on including parallel（2）On left risers（411）And right risers（412）, horizontal roller（42）It is horizontally set with a left side Riser（411）And right risers（412）Between.

4. leisure type work chair according to claim 1 embraces the wide amplitude of oscillation structure of formula of lying, it is characterised in that：The arcuate seat Slide plate（3）Arc-shaped slide rail bar including a pair of parallel setting（31）, in arc-shaped slide rail bar（31）Between be horizontally set with some connecting rods （32）, arc-shaped rack（5）It is corresponding to be fixed on connecting rod（32）Middle part, and in arc-shaped slide rail bar（31）Upper end extend internally Form backrest support rods（33）, arc-shaped slide rail bar（31）Lower end extend inwardly to form arm supports bar（34）.

5. leisure type work chair according to claim 4 embraces the wide amplitude of oscillation structure of formula of lying, it is characterised in that：In the backrest branch Strut（33）Between be equipped with resilient seat backrest（6）, in arm supports bar（34）Between corresponding arc-shaped slide rail bar（31）Between be equipped with bullet Property seat cushion（7）, in arm supports bar（34）Upper fixed armrest（8）.

6. leisure type work chair according to claim 1 embraces the wide amplitude of oscillation structure of formula of lying, it is characterised in that：With the guide rail The corresponding seat plate of mechanism（2）It is equipped with guide rail encloser binder（10）, guide rail mechanism is located at guide rail encloser binder（10）It is interior.