Folding deck chair

Abstract

The utility model discloses a folding deck chair which comprises a chair back part, a seat part, a leg tube part and an armrest part and further comprises a folding mechanism, the folding mechanism comprises a sliding seat, a limiting rack and a locking assembly, the locking assembly is used for locking the position of the sliding seat, and the locking assembly is used for being matched with the limiting rack in a locking mode. The limiting rack is mounted on the handrail part; the sliding seat can move along the length direction of the armrest part, so that the adjustment of the folding angle of the chair back part relative to the seat part is realized; and the sliding seat can move along the length direction of the armrest part to realize folding of the leg tube part. The stepless locking seat is provided with a stepless locking structure, and meanwhile, the seat can be folded conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field especially is involved in a folding deck chair. BACKGROUND

[0002] The existing folding chair is various, and is mostly applied to indoor, and its main advantage is that it greatly saves the occupied space and is beneficial to storage.

[0003] In order to meet the different sitting and lying needs of users, an adjusting device is generally arranged on the handrail cross rod to adjust the angle of the back frame and the seat frame, the existing design generally arranges a clamping strip under the handrail cross rod, arranges a clamping hole matched with the clamping strip on the positioning cross rod of the front foot frame, adjusts the angle of the back frame and the seat frame by the relative position change between the clamping hole and the clamping strip, and the user needs to lift the handrail cross rod and combine the clamping hole at the appropriate position during use, which is relatively laborious, and meanwhile, the combination of the clamping strip and the clamping hole of the adjusting device is often not stable enough, so that the clamping strip is easy to slide out of the clamping hole, resulting in that the back of the folding deck chair is inclined backward and a safety hazard is caused, and in addition, the clamping hole and the clamping strip are also easy to be stuck, which brings inconvenience to the user. SUMMARY

[0004] In view of the above problems, the utility model aims at providing a folding deck chair with an endless locking structure and facilitating folding of the seat.

[0005] The technical problem solved by the utility model can be realized by the following technical scheme:

[0006] A folding deck chair, comprising a back part, a seat part, a leg pipe part and a handrail part, further comprising a folding mechanism, the folding mechanism comprising a sliding seat, a limiting rack and a locking assembly, the locking assembly being used to lock the position of the sliding seat, the locking assembly being used to lock with the limiting rack, and the limiting rack being installed on the handrail part; the sliding seat can move along the length direction of the handrail part, so as to adjust the folding angle of the back part relative to the seat part; the sliding seat can move along the length direction of the handrail part, so as to fold the leg pipe part.

[0007] The locking assembly comprises a locking piece, a trigger, a return spring and a limiting seat, the locking piece comprises a locking tooth, a locking rod and a locking seat, the limiting seat is provided with a locking rod hole, the locking rod penetrates through the locking rod hole, the locking seat is located outside the locking rod hole, the limiting seat is installed in cooperation with the sliding seat, the trigger is used to drive the locking rod to move along the locking rod hole, so as to lock or separate the locking tooth and the limiting rack.

[0008] The trigger comprises a butt seat and a trigger part, the butt seat is used for hinged cooperation with the lock seat, and the butt seat can be in abutting cooperation with the surface of the limiting seat to push and pull the lock rod.

[0009] The limiting seat is further provided with a spring seat, the lower end of the reset spring is matched with the spring seat, and the upper end of the reset spring is in abutting cooperation with the spring groove in the lower surface of the lock tooth.

[0010] The handrail part is provided with a sliding rail, the sliding seat moves along the sliding rail, the lower part of the sliding rail is fixedly matched with the limiting rack, the lower surface of the limiting rack is provided with a stroke rack, and the moving stroke of the sliding seat is not greater than the length stroke of the stroke rack.

[0011] The sliding seat is provided with a sliding groove cavity, the sliding groove cavity is used for accommodating the sliding rail and the limiting rack, and the sliding groove cavity is provided with a locking through cavity, which is used for cooperation with the lock tooth.

[0012] The sliding seat is provided with a leg pipe hinged part, the leg pipe part comprises a first leg pipe and a second leg pipe, the first leg pipe is used for hinged cooperation with the first leg pipe hinged seat, and the second leg pipe is hinged with the second leg pipe hinged seat through the first leg pipe hinged seat.

[0013] The middle part of the first leg pipe is hinged with the bottom end of the leg pipe pull rod, the other end of the leg pipe pull rod is hinged with the linkage hinged part in the second leg pipe hinged seat, the second leg pipe hinged seat is further provided with a leg pipe hinged part, the leg pipe hinged part is used for hinged cooperation with the middle part of the second leg pipe, and the linkage hinged part is hinged with the seat part.

[0014] The front part of the seat part is hinged with one end of the handrail pull rod, and the other end of the handrail pull rod is hinged with the front part of the handrail part.

[0015] The rear part of the seat part is hinged with the lower end of the back part through the seat hinged seat, and the rear part of the handrail part is hinged with the middle part of the back part.

[0016] The utility model discloses relative to prior art has the beneficial effect that the utility model discloses optimization design, and the linkage cooperation of folding mechanism, chair back part, seat part and handrail part can realize the angle adjustment of chair back part and seat part, realizes the adjustment of user's lying position, and the linkage cooperation of folding mechanism, seat part, handrail part and leg pipe part can realize the folding of leg pipe part, through integral linkage, it can realize the folding of whole chair, and optimization folding mechanism utilizes the cooperation of limiting rack and locking assembly, can realize stepless locking positioning, improves the smoothness of use and convenient operation.

[0017] The features of the utility model can be clearly understood by referring to the drawings and the detailed description of the preferred embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the armrest part and folding mechanism exploded structure schematic view of the utility model;

[0020] Figure 3 It is the armrest part and folding mechanism cross section structure schematic view of the utility model;

[0021] Figure 4 It is the folding mechanism and slide rail installation structure schematic Figure 1 ;

[0022] Figure 5 It is the folding mechanism and slide rail installation structure schematic Figure 2 ;

[0023] Figure 6 It is the slide seat cross section structure schematic view of the utility model;

[0024] Figure 7 It is the locking assembly structure schematic view of the utility model. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0026] In combination with Figures 1 to 7 The utility model discloses a folding deck chair, including chair back part 100, seat part 300, leg pipe part 400 and armrest part 200, still including folding mechanism 500, folding mechanism 500 includes slide seat 510, limit rack 520 and locking assembly 530, locking assembly 530 is used to realize position locking of slide seat 510, locking assembly 530 is installed in slide seat 510, can move along with slide seat 510, locking assembly 530 is used to with limit rack 520 lock solid cooperation, limit rack 520 is installed on armrest part 200, when locking assembly 530 with limit rack 520 lock solid, slide seat 510 realizes position fixed, when locking assembly 530 with limit rack 520 is in the unlocking state, slide seat 510 can move along the length direction of armrest part 200, realizes the adjustment of the folding angle of chair back part 100 relative to seat part 300, realizes the backrest angle adjustment of chair back part 100, and it is convenient to lie and sit use;Locking assembly 530 with limit rack 520 is in the unlocking state, slide seat 510 can move along the length direction of armrest part 200, realizes the folding of leg pipe part 400, in combination with the folding of chair back part 100, then can realize overall folding.

[0027] In the specific structure, the locking assembly 530 comprises a locking piece 531, a trigger 534, a reset spring 532 and a limiting seat 533, the locking piece 531 comprises a locking tooth 5311, a locking rod 5312 and a locking seat 5313, the limiting seat 533 is provided with a locking rod hole 5331, the locking rod 5312 penetrates through the locking rod hole 5331, the locking seat 5313 is located outside the locking rod hole 5331, the limiting seat 533 is installed in cooperation with the sliding seat 510, the trigger 534 is used to drive the locking rod 5312 to move along the locking rod hole 5331, so as to realize the locking or separation of the locking tooth 5311 and the limiting rack 520; the trigger 534 comprises an abutting seat 5341 and a trigger part 5342, the abutting seat 5341 is used to be hingedly matched with the locking seat 5313, the abutting seat 5341 can be abutted and matched with the surface of the limiting seat 533, so as to realize the pushing and pulling of the locking rod 5312.

[0028] In the specific use process, when the user pulls the trigger part 5342, the trigger part 5342 rotates, the abutting seat 5341 is abutted with the surface of the limiting seat 533, the abutting seat 5341 is in the shape of a cam surface, so that the abutting seat 5341 is offset from the hinging center point of the locking seat 533, the locking seat 533 is driven to move, the locking seat 533 drives the locking rod 5312 to move along the locking rod hole 5331, so that the locking tooth 5311 located at the top moves, and the locking or separation of the locking tooth 5311 and the limiting rack 520 is realized.

[0029] In combination with the above, the limiting seat 533 is further provided with a spring seat 5332, the lower end of the reset spring 532 is matched with the spring seat 5332, the upper end of the reset spring 532 is abutted in the spring groove 5314 in the lower surface of the locking tooth 5311, and the reset spring 532 facilitates the resetting of the locking piece 531 and improves the operation smoothness.

[0030] The handrail part 200 is provided with a slide rail 220, which is preferably a circular tube structure. The handrail part 200 comprises a handrail body 210, and the bottom of the handrail body 210 is provided with a handrail inner cavity 211. The slide rail 220 is located in the handrail inner cavity 211 at the bottom of the handrail body 210, and the slide rail 220 is fixedly installed with the handrail body 210. The slide seat 510 moves along the slide rail 220. The lower part of the slide rail 220 is fixedly matched with the limiting rack 520. The lower surface of the limiting rack 520 is provided with a stroke rack 521. The moving stroke of the slide seat 510 is not greater than the length stroke of the stroke rack 521. The slide seat 510 is provided with a sliding groove cavity 511 for accommodating the slide rail 220 and the limiting rack 520. The sliding groove cavity 511 is provided with a locking through cavity 512 for cooperating with the locking tooth 5311. When the locking part 531 and the limiting rack 520 are in a separated state, the slide seat 510 can move along the slide rail 220 through the linkage of the remaining parts, the folding angle of the chair back part 100 relative to the seat part 300 is adjusted, the backrest angle adjustment of the chair back part 300 is realized, and the lying sitting use is facilitated.

[0031] In combination with the above, the slide seat 510 is provided with a leg pipe hinge part 513. The leg pipe part 400 comprises a first leg pipe 410 and a second leg pipe 420. The first leg pipe 410 is used for hinge cooperation with a first leg pipe hinge seat 430. The second leg pipe 420 is hinge cooperated with the second leg pipe 420 through the first leg pipe hinge seat 430. The middle part of the first leg pipe 410 is hinge cooperated with the bottom end of a leg pipe pull rod 440. The other end of the leg pipe pull rod 440 is hinge cooperated with a linkage hinge part 451 in a second leg pipe hinge seat 450. The second leg pipe hinge seat 450 is further provided with a leg pipe hinge part 452, which is used for hinge cooperation with the middle part of the second leg pipe 420. The linkage hinge part 451 is hinge cooperated with the seat part 300. The structure of each part of the leg pipe part 400 is optimized. When the locking part 531 and the limiting rack 520 are in a fixed state.

[0032] In combination with the above, the front part of the seat part 300 is hinge cooperated with one end of a handrail pull rod 310. The other end of the handrail pull rod 310 is hinge cooperated with the front part of the handrail part 200. The rear part of the seat part 300 is hinge cooperated with the lower end of the chair back part 100 through a seat hinge seat 320. The rear part of the handrail part 200 is hinge cooperated with the middle part of the chair back part 100.

[0033] Wherein, the overall folding principle is: when the folding deck chair is in a fully sitting state, the sliding seat 510 is usually located at the position of the limiting rack 520 close to the front end of the armrest part 200, if the locking assembly 530 and the limiting rack 520 are in a locked state, it can realize partial folding, the first leg pipe hinge seat 430 is used to realize the folding of the first leg pipe 410 to the second leg pipe 420, combined with the driving of the second leg pipe hinge seat 450, and because the sliding seat 510 is hingedly connected with the first leg pipe 410, combined with the deformation of the armrest pull rod 310, the chair back 100 is folded relative to the seat part 300, wherein the leg pipe pull rod 440 is added to increase the linkage stability.

[0034] If the locking assembly 530 and the limiting rack 520 are in an unlocked state, when the folding deck chair is in a fully sitting state, the sliding seat 510 is usually located at the position of the limiting rack 520 close to the front end of the armrest part 200, by folding the chair back 100, the chair back 100 and the seat part 300 realize minimum angle folding, at this time, the sliding seat 510 moves backward to the position of the limiting rack 520 close to the chair back 100, then continuously realizes the folding of the leg pipe part 400, with the folding of the leg pipe part 400, the sliding seat 510 moves forward, moves to the position of the limiting rack 520 close to the front end of the armrest part 200, because of the travel limitation of the travel rack 521, it realizes position positioning, continuously folds the first leg pipe 410 and the second leg pipe 420, and can realize the minimum folding volume of the whole.

[0035] The utility model optimizes design, and the linkage of the folding mechanism combined with the chair back, the seat part and the armrest part can realize the angle adjustment of the chair back and the seat part, realize the adjustment of the lying position of the user, the linkage of the folding mechanism combined with the seat part, the armrest part and the leg pipe part can realize the folding of the leg pipe part, through the overall linkage, it can realize the folding of the whole chair, the optimization folding mechanism is used for Limiting rack and the cooperation of locking assembly can realize stepless locking positioning, improve the use smoothness and the operation convenience.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, any simple modification, equivalent change or modification made according to the technical principles of the utility model to the above embodiment still belongs to the range of the utility model technical scheme.

Claims

1. A folding deck chair comprising a backrest portion, a seat portion, a leg tube portion and an armrest portion, characterized in that: Also include folding mechanism, the folding mechanism includes sliding seat, limit rack and locking assembly, the locking assembly is used to realize position locking of sliding seat, the locking assembly is used to lock with limit rack, the limit rack is installed on armrest part;The sliding seat can move along the length direction of the armrest part, realize the adjustment of the folding angle of the chair back part relative to the seat part;The sliding seat can move along the length direction of the armrest part, realize the folding of leg pipe part.

2. A folding deck chair according to claim 1, characterised in that: The locking assembly includes locking piece, trigger, reset spring and limit seat, the locking piece includes lock teeth, lock rod and lock seat, the limit seat is provided with lock rod hole, the lock rod passes through the lock rod hole, the lock seat is located outside the lock rod hole, the limit seat is installed with the sliding seat, the trigger is used to drive the lock rod to move along the lock rod hole, realize the locking or separation of lock teeth and limit rack.

3. A folding deck chair according to claim 2, wherein: The trigger includes abutting seat and trigger part, the abutting seat is used to be hinged with the lock seat, and the abutting seat can be abutted with the surface of the limit seat to realize the push-pull of the lock rod.

4. A folding deck chair according to claim 2, wherein: The limit seat is also provided with spring seat, the lower end of the reset spring is matched with the spring seat, and the upper end of the reset spring is abutted in the spring groove in the lower surface of the lock teeth.

5. A folding deck chair according to any one of claims 1 to 4, wherein: The armrest part is provided with a slide rail, and the sliding seat moves along the slide rail, the lower part of the slide rail is fixedly matched with the limit rack, the lower surface of the limit rack is provided with a stroke rack, and the moving stroke of the sliding seat is not greater than the length stroke of the stroke rack.

6. A folding deck chair according to claim 5, wherein: The sliding seat is provided with a sliding groove cavity, the sliding groove cavity is used to accommodate the slide rail and the limit rack, and the sliding groove cavity is provided with a locking through cavity, which is used to be matched with the lock teeth.

7. A folding deck chair according to claim 6, characterised in that: The sliding seat is provided with a leg pipe hinged part, the leg pipe part includes a first leg pipe and a second leg pipe, the first leg pipe is used to be hinged with a first leg pipe hinged seat, and the second leg pipe is hinged with a second leg pipe hinged seat through the first leg pipe hinged seat.

8. A folding deck chair according to claim 7, characterised in that: The middle part of the first leg pipe is hinged with the bottom end of the leg pipe pull rod, the other end of the leg pipe pull rod is hinged with a linkage hinged part in the second leg pipe hinged seat, the second leg pipe hinged seat is also provided with a leg pipe hinged part, the leg pipe hinged part is used to be hinged with the middle part of the second leg pipe, and the linkage hinged part is hinged with the seat part.

9. A folding deck chair according to claim 8, characterised in that: The front part of the seat part is hinged with one end of the armrest pull rod, and the other end of the armrest pull rod is hinged with the front part of the armrest part.

10. A folding deck chair according to claim 9, characterised in that: The rear part of the seat part is hinged with the lower end of the chair back part through a seat hinged seat, and the rear part of the armrest part is hinged with the middle part of the chair back part.

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