CN209121624U - The leg rest portion of chair tool - Google Patents

Abstract

The utility model relates to a kind of leg rest portion of chair tool, including bottom case and substrate, substrate is set to the latter half of bottom case, and substrate includes transverse slat and the otic placode for being symmetrically disposed on transverse slat two sides, and otic placode is vertically arranged with transverse slat；The left and right sides in bottom case is respectively provided with a groove body, is rotatablely connected with bottom case by shaft in otic placode insertion groove body, the tension spring for reset is equipped between bottom case and transverse slat；Substrate is set to the latter half of bottom case by the utility model, and substrate can be set wider, can not only make in this way in rotation leg rest portion avoid generating it is biggish roll, but also be conducive to leg rest portion integral thinned, more regular design；It further says, the setting of tension spring makes leg rest portion play pooling feature in rotation again, plays auto-reset function again after rotation.

Description

The leg rest portion of chair tool

Technical field

The utility model relates to a kind of chair tool more particularly to a kind of leg rest portions of chair tool.

Background technique

Office chair refers in routine work and social activities to be the work conveniently various chairs of outfit.Present social work Pressure is big, works heavy, therefore more stringent requirements are proposed to the comfort of office chair.

The utility model patent of Patent No. " CN201621377381.6 " discloses a kind of leg rest portion of chair, including shakes Movable plate and leg rest pillow, the swing plate and leg rest pillow are hinged, and leg rest pillow rotates in perpendicular around hinge joint, on leg rest pillow It is provided with buffer gear, when leg rest pillow rotation is close to swing plate certain distance, which contacts buffering with swing plate. By the way that buffer gear is arranged on leg rest is rested the head on, after foot leaves over leg rest pillow above, leg rest pillow can be made to rotate around hinge joint, work as leg rest When turning to certain angle, the lower end of buffer gear contacts pillow with swing plate, from make leg rest pillow for good cushion performance, guarantor Protect human foot.

In above-mentioned patent, swing plate is set to leg rest pillow medium position, because leg rest regulating mechanism is between left and right away from smaller, so that Swing plate is almost consistent with leg rest pillow in anterior-posterior length direction, therefore leg rest pillow meeting exposed portion swing plate in rotation, has Corner angle outstanding and stronger lofty sense；It furthermore is exactly that leg rest pillow bottom surface is not smooth enough；Simultaneously as swing plate left and right directions It is shorter, so that leg rest pillow is not sufficiently stable, it is easy to produce and rocks.

Summary of the invention

For the utility model according to above-mentioned the deficiencies in the prior art, provide a kind of both can make leg rest portion keep away in rotation Exempt to generate it is biggish roll, and be conducive to leg rest portion integral thinned, more regular design, while leg rest portion can be made to exist again There is pooling feature when rotation.

In order to achieve the above purpose, the utility model uses technical solution below:

The leg rest portion of chair tool, including bottom case and substrate, substrate are set to the latter half of bottom case, substrate include transverse slat and It is symmetrically disposed on the otic placode of transverse slat two sides, otic placode is vertically arranged with transverse slat；The left and right sides in bottom case is respectively provided with a groove body, ear It is rotatablely connected with bottom case by shaft in plate insertion groove body, the tension spring for reset is equipped between bottom case and transverse slat.

By the way that the latter half of of bottom case is arranged in substrate, and left and right directions width can increase, and not only be conducive to leg rest in this way Portion keeps stablizing, it is also possible that leg rest portion when front-rear direction rotates, is avoided generating and be rolled；It further says, tension spring Setting make leg rest portion play pooling feature in rotation again, play auto-reset function again after rotation.

Preferably, the length of substrate is less than or equal to the half of bottom case length in front-rear direction；In right and left To the width of substrate is 4th/2nd to five/3rds of bottom case width.Front-rear direction substrate occupies shorter length, right and left Wider width is occupied to substrate, so that leg rest portion is integrally more stable, so that leg rest portion can integrally be done thinner, is more advised It is whole.

Preferably, the left and right sides of bottom case rear end is arranged in groove body, the bottom of bottom case is arranged in transverse slat.Make cross in this way Plate is in hidden state, and bottom case can be overturn forward.

Preferably, the latter half of bottom surface of bottom case is equipped with the decanting zone being recessed towards bottom shell, transverse slat setting is being settled In area, so that the bottom surface of transverse slat and the bottom surface of bottom case are in the same plane.Protrusion can be reduced to the greatest extent in this way, meet beauty It is required that.

Preferably, shaft is in the front end upper position of substrate.

Preferably, being provided with the first hook at the medium position of transverse slat rear end, second is provided in the middle part of bottom case rear end Hook, tension spring are connected between the first hook and the second hook.It can be convenient tension spring connection in this way.

Preferably, being equipped with the shell of upper end closure, lower ending opening in the middle part of bottom case rear end, the second hook is arranged in shell Upper end, tension spring are arranged in shell.So that tension spring is in hidden state in this way, be hidden in bottom case, will not expose.

Preferably, bottom case top is connected with a upper cover.Upper cover can be contacted with human foot, played leg rest and closed bottom The effect of shell.

Preferably, being provided with multiple mounting posts in bottom case, steel button has been screwed in each mounting post；It is described Steel button be that surrounding extends downwardly and the steel disc of pawl is distributed in peripheral region, there is hole eye to pass through for screw among steel button；Upper Multiple pilot holes matched with mounting post are offered on the face of base；After upper cover and bottom case fasten, steel buckle, which enters in pilot hole, to be borrowed It helps pawl to realize to be engaged by clamping.It can be convenient the installation of upper cover in this way, and after upper cover and bottom case assembly, outside makes without screw Shape is more aesthetically pleasing.

Compared with prior art, the utility model has the beneficial effects that

Substrate is set to the latter half of bottom case by the utility model, and substrate can be set wider, so both can be Make when rotation leg rest portion avoid generating it is biggish roll, and be conducive to leg rest portion integral thinned, more regular design；Again Furtherly, the setting of tension spring makes leg rest portion play pooling feature in rotation again, plays the function that automatically resets again after rotation Energy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of office chair in embodiment 1.

Fig. 2 is the structural schematic diagram (unfolded state) of seat, chassis, lower plate and leg rest.

Fig. 3 is the construction profile of office chair.

Fig. 4 is the structural schematic diagram (rounding state) of seat, chassis, lower plate and leg rest.

Fig. 5 is the cooperation schematic diagram between seat, chassis, lower plate, leg rest and backrest.

Fig. 6 is the cooperation schematic diagram of seat, chassis, lower plate and leg rest.

Fig. 7 is the structural schematic diagram of inner tube and sliding block.

Fig. 8 is the structural schematic diagram of inner tube, sliding block, substrate and bottom case.

Fig. 9 is the structural schematic diagram of inner tube and leg rest portion.

Figure 10 is the structural schematic diagram of leg rest portion.

Figure 11 is the combining structure schematic diagram of substrate and bottom case.

Figure 12 is the fractionation structural representation of bottom case and upper cover.

Figure 13 is the cooperation schematic diagram of substrate, tension spring and bottom case；

Figure 14 is the bottom surface structure schematic diagram of office chair in embodiment 2；

Figure 15 is the disassembled form schematic diagram of office chair seat, chassis and lower plate in embodiment 3.

It is identified in figure as follows:

Pedestal 1, contracting gas bar 2, chassis 3, seat 4, leg rest regulating mechanism 5, leg rest 6, lower plate 7, backrest 8, first accommodate Area 24, the second accommodating area 9, handrail 10, plate-like portion 71, occlusion part 72, baffle 73, escape groove 721, outer tube 51, inner tube 52, substrate 61, bottom case 62, upper cover 63, cushion 64, transverse slat 611,613, second hook of the hook of otic placode 612, first 621, tension spring 65, sliding slot 521, sliding block 522.

Specific embodiment

Specific embodiment of the present utility model is made a detailed explanation with reference to the accompanying drawing.Other side in the present embodiment To positioning be normally sitting on chair with people when, people orientation judgement on the basis of.With human body at this time towards direction be before, with people After the direction of body backwards is, on the left of human body for a left side, be the right side on the right side of human body, upper on vertical direction be it is upper, on vertical direction Under be under.And in embodiment the leg rest regulating mechanism, lower plate front end, rear end be to determine referring to above-mentioned orientation Justice；Such as the front end of leg rest regulating mechanism refers to that the front end of inner tube, the rear end of leg rest regulating mechanism refer to the rear end of outer tube.

Embodiment 1: the chair tool as shown in Fig. 1~Figure 13, i.e., a kind of office chair, including backrest 8, seat 4 and seat support Component 21, the seat support component 21 include chassis 3, pedestal 1 and the support rod 2 for being vertically arranged in 1 center of pedestal, branch The upper end connecting base plate 3 of strut 2；Specifically, support rod 2 can be the star base of foot wheel using flexible gas bar, pedestal 1. Chassis 3 matches adaptive line traffic control, has adaptation function, and the people of different weight has similar impression, eliminates manually The trouble of adjustment spring.Using line traffic control mode man-machineization, facilitate operation.There are fourth gear lock function, backrest maximum reclining in chassis State can free locking, and there are four different angles are available for backrest, it is possible to provide more comfortable impression.

The seat 4 includes: the upper plate 22 for connection cushion 23, and the lower plate in 22 lower section of upper plate 7, upper plate 22 is plank, and lower plate 7 is made of plastics or PP material；Upper plate 22 and about 7 lower plate are to being combined simultaneously It is connected by fastener, fastener uses screw；As shown in Figure 5,6, the middle part fovea superior of the lower plate 7 forms the first accommodating Area 24, the two sides of the first accommodating area 24 form down convex occlusion part 72, and the front and back of the first accommodating area 24 is connected to outside, chassis 3 all or part of settings are in the first accommodating area 24.

The top surface of first accommodating area 24 constitutes plate-like portion 71, and the plate-like portion 71 is integrally formed with occlusion part 72；Again Furtherly, plate-like portion 71 with a thickness of 4mm-5mm, occlusion part 72 with a thickness of 22mm-26mm.The plate-like portion 71 with it is upper Bottom plate 22 is affixed, and the chassis 3 passes through plate-like portion 71 by screw four corner parts and connects upper plate 22；It installs Rear chassis 3 can be hidden in completely or partially in occlusion part 72, and chassis 3 only has lower end fraction and is exposed from the side, even When occlusion part 72 is downwardly projecting enough, chassis 3 can be completely shielded, and people can't see chassis when side is observed obliquely in station, Improve aesthetic measure.

The occlusion part 72 respectively forms the zones of extensibility 25 with curved surfaces, bottom to extension at left and right sides of seat 4 The thickness of plate 7 is gradually thinning to zones of extensibility 25 by occlusion part 72；The office chair further includes handrail 10, and the handrail 10 has There is handrail installation portion 101, handrail installing zone 26 is formed on zones of extensibility 25, the handrail installation portion 101 is fixed at In handrail installing zone 26.

It further says, as shown in figure 9, the office chair further includes having the leg rest regulating mechanism 5 of drawing and pulling type and setting to exist The leg rest portion 6 of 5 front end of leg rest regulating mechanism, the leg rest regulating mechanism 5 are connected with upper plate 22；As shown in figures 1 to 6, preceding The entire length for being shorter in length than seat 4 of rear direction lower plate 7 respectively forwardly extends in the left and right sides of the front end of lower plate 7 There are two baffle 73, two baffles 73 extend to 4 front end of seat, and the spacing between two baffles 73 is greater than the first accommodating area 24 Width；Between the front of lower plate 7, two baffles 73 and seat 4 beyond the lower part of 7 length thereof of lower plate collectively forms the Two accommodating areas 9；When leg rest portion 6 is in rounding state, leg rest portion 6 is hidden in the second accommodating area 9 just；That designs in this way is good Place is: one come leg rest portion 6 shape design it is more diversified, such as the whole shape that front-thin-rear-thick can be set into of leg rest portion 6, In this way after being inserted into the second accommodating area 9, can perfectly it be mused together with lower plate 7, without lofty sense；Two are putting Setting knob 100, can very easily touch knob 100, facilitate pull on 6 bottom surface of foot.

Specifically, as shown in Fig. 6,7,8,9, leg rest regulating mechanism 5 is in the left and right sides on chassis 3, the leg rest Regulating mechanism 5 includes outer tube 51 and inner tube 52, and inner tube 52 is in outer tube 51 and slidably reciprocates under external force along outer tube 51, Outer tube 51 is directly or indirectly connected on 22 bottom surface of upper plate；Leg rest portion 6 is connected to the front end of inner tube 52；In the present embodiment, Outer tube 51 is locked on 22 bottom surface of upper plate by fixing seat 511 and screw cooperation.

72 inner hollow of occlusion part is equipped with the escape groove 721 for avoiding leg rest regulating mechanism 5 in occlusion part 72, puts The outer tube 51 of foot regulating mechanism 5 is partially located in escape groove 721, and the front opening of escape groove 721 exposes for outer tube 51.

As shown in figures 10-13, from bottom to top, leg rest portion 6 includes substrate 61, bottom case 62, upper cover 63 and cushion 64.Substrate 61 include the transverse slat 611 cooperated with inner tube 52 and the otic placode 612 for being symmetrically disposed on 611 two sides of transverse slat, otic placode 612 and transverse slat 611 are vertically arranged.

The left and right sides of substrate 61 is connected by sliding block with two inner tubes 52, and specifically, sliding block is divided into the first sliding block 523 With the second sliding block 522, inner tube 52 is hollow, and sliding slot 521 is equipped on the tube wall of 52 front end of inner tube, and the first sliding block 523 is arranged in cunning In slot 521, the second sliding block 522 penetrates sliding slot 521 and 523 pairing of the first sliding block, on the first sliding block 523 and the second sliding block 522 It is correspondingly provided with mounting hole 524, through-hole 525 is equipped on transverse slat 611, through-hole 525 is aligned with mounting hole 524, and screw screws in wherein It tightens and transverse slat 611 and the first sliding block 523, the second sliding block 522 links together, the second sliding block 522 plays position-limiting action, so that Substrate 61 for inner tube 52, can only along the chute 522 length range sliding.

The left and right sides in bottom case 62 is equipped with for facilitating otic placode 612 to be inserted into and being used to avoid the groove body of 52 front of inner tube 622, in contraction state, 52 front of inner tube is inserted into groove body 622；It is less than or equal to bottom in the length of front-rear direction, substrate 61 The half of 62 length of shell；In left and right directions, the width of substrate 61 is 4th/2nd to five/3rds of 62 width of bottom case.

Whole more beautiful to make, the latter half of bottom surface of bottom case 62 is equipped with decanting zone 624, and the setting of transverse slat 611 is settling In area 624, the bottom surface of transverse slat 611 and the bottom surface of bottom case 62 are in the same plane；Otic placode 612 is inserted into groove body 622 and groove body 622 side walls are affixed and pass through shaft 623 and are rotatablely connected, so that bottom case 62 can relatively rotate with around the shaft 623 with substrate 61, Alternatively bottom case 62 rotates in perpendicular around the two shafts 623；Shaft 623 can use screw, on the one hand play On the other hand connection function also functions to rotary action.

Shaft 623 is in 61 front position of substrate, and tension spring 65 is equipped between substrate 61 and bottom case 62；Specifically, exist Be provided with the first hook 613 at 611 rear end medium position of transverse slat, and be provided in the middle part of 62 rear end of bottom case end closure on one, under The shell 66 of end opening is equipped with the second hook 621 in 66 upper end of shell, and tension spring 65 is connected to the first hook 613 and the second hook Between 621, and tension spring 65 is hidden in shell 66；After user rests on foot in leg rest portion 6, as shown in figure 13, bottom case 62 stress can rotate certain angle, by installing tension spring between substrate 61 and bottom case 62, plays certain buffer function, makes Foot is more comfortable, finds the suitable position placed under the premise of comfortable；After foot leaves, bottom case 62 can automatically reset again.

Cushion 64 is together with the upper surface gluing of upper cover 63, and after the two is wrapped with plain cotton fabric, plain cotton fabric edge is followed closely with rifle It is fixed, so far complete the assembling of cushion 64 and upper cover 63；Certain thickness sponge has can be used in cushion 64, and upper cover 63 uses plastics Or PP material is made, 64 shape of cushion, size match with 63 shape of upper cover, size.

As shown in Figure 10,12, upper cover 63 and 62 assembling process of bottom case are as follows: multiple mounting posts are provided in bottom case 62 67, steel is fixed with by screw 677 in each mounting post 67 and buckles 68；The steel button 68 extends downwardly for surrounding and peripheral region The steel disc of pawl 69 is distributed with, has hole eye 688 to pass through among steel button 68 for screw；Multiple and peace is offered on 63 bottom surface of upper cover The pilot hole 70 that dress column 67 matches；The pilot hole 70 of upper cover 63 is directed at mounting post 67, is pressed down, steel button 68 is made to enter assembly So far, the assembling of upper cover 63 and bottom case 62 is completed because upper cover 63 cannot extract the reason of pawl in hole 70.

Embodiment 2: it as shown in figure 14, in the entire length for being shorter in length than seat 4 of front-rear direction lower plate 7, is going to the bottom Lower part the second accommodating area 9 of formation of the front of plate 7 and seat 4 beyond 7 length thereof of lower plate；It is in and collapses in leg rest portion 6 When state, leg rest portion 6 is exactly in the second accommodating area 9.

When leg rest portion 6 is in the second accommodating area 9, the second accommodating area 9 is filled just it is full, and the rear end of leg rest portion 6 with The front end of lower plate 7 leans, and the width of leg rest portion 6 is equal to the overall width of lower plate 7.

Embodiment 3: as shown in figure 15, this embodiment differs from embodiment 1 in that: lower plate 7 is symmetrical Two pieces, lower plate 7 is made of plastics, spaced between two pieces of lower plates 7, region between two pieces of lower plates 7 formed one to First accommodating area 24 of upper recess, the two sides of the first accommodating area 24 form down convex occlusion part 72, all or part of setting in chassis 3 In the first accommodating area 24.In this case, the chassis 3 is directly contacted with upper plate 22, i.e., chassis 3 is directly connected by screw Connect bottom plate 22.

Above content is only illustrate to examples for clearly illustrating the present invention described in this specification.The utility model Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class As mode substitute, content without departing from the utility model specification or surmount model defined in the claims It encloses, all should belong to the protection range of the utility model.

Claims (9)

1. the leg rest portion of chair tool, it is characterized in that: including bottom case and substrate, substrate is set to the latter half of bottom case, and substrate includes Transverse slat and the otic placode for being symmetrically disposed on transverse slat two sides, otic placode are vertically arranged with transverse slat；The left and right sides in bottom case is respectively provided with One groove body, otic placode insertion groove body is interior to be rotatablely connected with bottom case by shaft, and the drawing for resetting is equipped between bottom case and transverse slat Spring.

2. leg rest portion according to claim 1, it is characterised in that: be less than or equal to bottom in the length of front-rear direction, substrate The half of shell length；In left and right directions, the width of substrate is 4th/2nd to five/3rds of bottom case width.

3. leg rest portion according to claim 1, it is characterised in that: the left and right sides of bottom case rear end, transverse slat is arranged in groove body The bottom of bottom case is set.

4. leg rest portion according to claim 1, it is characterised in that: the latter half of bottom surface of bottom case is equipped with recessed towards bottom shell Into decanting zone, transverse slat be arranged in decanting zone, the bottom surface of transverse slat and the bottom surface of bottom case are in the same plane.

5. leg rest portion according to claim 1, it is characterised in that: shaft is in the front end upper position of substrate.

6. leg rest portion according to claim 1, it is characterised in that: be provided with the first extension at the medium position of transverse slat rear end Hook, is provided with the second hook in the middle part of bottom case rear end, and tension spring is connected between the first hook and the second hook.

7. leg rest portion according to claim 6, it is characterised in that: be equipped with upper end closure in the middle part of bottom case rear end, lower end is opened The shell of mouth, in shell upper end, tension spring is arranged in shell for the second hook setting.

8. leg rest portion according to claim 1, it is characterised in that: bottom case top is connected with a upper cover.

9. leg rest portion according to claim 8, it is characterised in that: be provided with multiple mounting posts, each installation in bottom case Steel button has been screwed on column；The steel button is that surrounding extends downwardly and the steel disc of pawl, steel is distributed in peripheral region Button is intermediate to have hole eye to pass through for screw；Multiple pilot holes matched with mounting post are offered on upper cover bottom surface；Upper cover and bottom After shell fastens, steel buckle, which enters in pilot hole, realizes clamping engagement by pawl.