CN219331128U - Foldable outdoor backrest chair - Google Patents

Abstract

The utility model discloses a foldable outdoor backrest chair, which relates to the technical field of backrest chairs and comprises concave legs, wherein both ends of each concave leg are fixedly connected with bent pipes, the bent pipes are hinged in an opening at one side of a connecting column, a locking mechanism is connected between the bent pipes and the connecting column, the upper side and the lower side of the connecting column are both connected with backrest rods, and a backrest cushion is sleeved between the two backrest rods.

Description

Foldable outdoor backrest chair

Technical Field

The utility model relates to the technical field of back chairs, in particular to a foldable outdoor back chair.

Background

The back rest chair is more commonly used in the future in the North-south direction and the Tang dynasty, the chair surface is generally square and is provided with a back rest and an arched brain, the back rest chair has the modeling characteristics that the back rest is armless and the back rest brain is not out of the head, and the back rest of the chair has different forms;

the traditional back chair is domestic or office supplies, emphasis aesthetic property, steadiness and economic nature in structural design, therefore, traditional back chair is comparatively heavy, and is bulky, when carrying out outdoor activities, is difficult to carry, and the back angle of traditional back chair is certain, can't satisfy recreational demand, lacks a back chair that can satisfy outdoor recreational activities on the market, for this the utility model provides a collapsible outdoor back chair is used for solving above-mentioned problem.

Disclosure of Invention

The utility model provides a foldable outdoor back rest chair, which solves the technical problem that the back rest chair capable of meeting outdoor leisure activities is lacking in the market.

In order to solve the technical problems, the foldable outdoor backrest chair provided by the utility model comprises concave legs, wherein bent pipes are fixedly connected to two ends of each concave leg, the bent pipes are hinged in one side openings of connecting columns, locking mechanisms are connected between the bent pipes and the connecting columns, backrest rods are connected to the upper side and the lower side of the connecting columns, and backrest pads are sleeved between the two backrest rods.

Preferably, the locking mechanism includes rotating the center post of inlaying between the both sides inner wall of return bend, center post's middle part outside fixedly connected with grab handle and gear, the return bend setting is stretched out to the bottom of grab handle, the downside meshing of gear is connected with the rack, the one end fixedly connected with guide arm of rack, the positive fixedly connected with clamp splice of return bend is stretched out to the one end of guide arm, the spring has been cup jointed in the outside that just is located the guide arm between clamp splice and the return bend.

Preferably, an arc surface is arranged at the bottom of the opening of the connecting column, a plurality of convex blocks are arranged on the arc surface corresponding to the clamping blocks, and the cross sections of the convex blocks are of triangular structures and are matched with the design of the clamping blocks.

Preferably, the upper end face and the lower end face of the connecting column are respectively provided with a thread groove, and the thread grooves are matched with the external thread structural design of the end part of the chair back rod.

Preferably, cloth sleeves are arranged on two sides of the backrest region of the backrest cushion, and grooves are formed in the middle of the cloth sleeves corresponding to the connecting columns.

Preferably, the seat area of the back cushion is provided with at least one inflatable airbag, the seat back area of the back cushion is provided with a sub-adhesive tape, and the seat area of the back cushion is provided with a main adhesive tape which can be connected with a sub-adhesive tape nylon fastener tape.

Compared with the related art, the foldable outdoor backrest chair provided by the utility model has the following beneficial effects: according to the outdoor intelligent backrest chair, the chair back rod and the concave legs are supported by the herringbone structure, a user can lie on the backrest cushion, the body can be naturally stretched, the inflatable air bags can isolate the ground, the user is prevented from catching a cold, the outdoor intelligent backrest chair is leisure and comfortable, the bent pipe can be limited in angle by virtue of the locking mechanism, different people can freely set the inclination angle according to own habits, the operation is extremely convenient, after the outdoor intelligent backrest chair is used, the concave legs and the chair back rod can be attached again, the child adhesive tapes and the mother adhesive tapes are attached to each other, the volume of the backrest chair can be effectively reduced, and the outdoor intelligent backrest chair is convenient and easy to carry and is particularly suitable for outdoor leisure activities.

Drawings

FIG. 1 is a front view of a foldable outdoor back chair of the present utility model;

FIG. 2 is a perspective view of a foldable outdoor back chair of the present utility model in an extended position with the concave legs and back bars of the chair;

FIG. 3 is a side view of a foldable outdoor back chair of the present utility model with the concave legs and back bars in a folded configuration;

fig. 4 is a side cross-sectional view of a connecting post, elbow, locking mechanism in a foldable outdoor back chair of the present utility model.

Reference numerals in the drawings: 1. a concave leg; 2. bending the pipe; 3. a connecting column; 31. a bump; 32. a thread groove; 4. a locking mechanism; 41. a center column; 42. a grab handle; 43. a gear; 44. a rack; 45. a guide rod; 46. clamping blocks; 47. a spring; 5. a seatback lever; 6. a back cushion; 61. a cloth cover; 62. a groove is formed; 63. an inflatable airbag; 64. a sub-adhesive tape; 65. a master adhesive tape.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: 1-4, the foldable outdoor backrest chair comprises concave legs 1, wherein both ends of each concave leg 1 are fixedly connected with bent pipes 2, each concave leg 1 is designed to be gradually wider from one end to the other end, and the lowest end of each concave leg 1 is provided with an anti-slip raised line so as to increase friction force;

further, the bent pipe 2 is hinged in an opening at one side of the connecting column 3, a locking mechanism 4 is connected between the bent pipe 2 and the connecting column 3, the locking mechanism 4 comprises a central column 41 which is rotationally embedded between two side inner walls of the bent pipe 2, a grab handle 42 and a gear 43 are fixedly connected to the outer side of the middle of the central column 41, the bottom end of the grab handle 42 extends out of the bent pipe 2 to be arranged, a rack 44 is connected to the lower side of the gear 43 in a meshed manner, one end of the rack 44 is fixedly connected with a guide rod 45, one end of the guide rod 45 extends out of the front surface of the bent pipe 2 and is fixedly connected with a clamping block 46, and a spring 47 is sleeved between the clamping block 46 and the bent pipe 2 and positioned on the outer side of the guide rod 45;

specifically, the grab handle 42 drives the center column 41 and the gear 43 to rotate, the gear 43 is meshed with the transmission rack 44 to move, the rack 44 pulls the guide rod 45 to retract, the guide rod 45 drives the clamping block 46 to compress the spring 47, so that the guide rod 45 is far away from the convex block 31, the angle of the concave leg 1 can be automatically rotated, the concave leg 1 is unfolded, then the grab handle 42 is loosened, and under the action of the elasticity of the spring 47, the clamping block 46 moves forwards to be matched with the convex block 31, so that the angle of the bent pipe 2 can be limited;

further, an arc surface is arranged at the bottom of the opening of the connecting column 3, a plurality of protruding blocks 31 are arranged on the arc surface corresponding to the clamping blocks 46, and the cross section of each protruding block 31 is in a triangular structure and is designed to be matched with the clamping block 46;

specifically, a triangular groove is formed on one side of the clamping block 46 corresponding to the bump 31, and when the clamping block 46 abuts against the bump 31, the clamping block 46 is easily and slidably inserted into one side of the bump 31 completely, so as to prevent the clamping block 46 from rotating.

Further, the upper side and the lower side of the connecting column 3 are both connected with a chair back rod 5, the upper end face and the lower end face of the connecting column 3 are both provided with a thread groove 32, and the thread groove 32 is adapted to the design of an external thread structure of the end part of the chair back rod 5;

specifically, the back rod 5 is screwed into the thread groove 32, so that the back rod 5 can be prevented from being easily separated, the back rod 5 can be detached, the assembly process can be conveniently carried out, and optionally, the back rod 5 and the connecting column 3 can be welded, clamped or in an interference plug-in connection mode;

further, a back cushion 6 is sleeved and connected between the two back rods 5, at least one inflatable airbag 63 is arranged in a seat area of the back cushion 6, a sub-adhesive tape 64 is arranged in a seat back area of the back cushion 6, and a main adhesive tape 65 which can be connected with the sub-adhesive tape 64 in a nylon snap way is arranged in the seat area of the back cushion 6;

specifically, the inflatable air bags 63 can isolate the ground to prevent the user from catching a cold, and the inflatable air bags 63 have a certain buffering effect and are comfortable to lie, alternatively, the inflatable air bags 63 can be of an integral structure or a plurality of inflatable air bags 63 arranged in parallel;

specifically, the child adhesive tape 64 and the mother adhesive tape 65 are adhered to each other, so that the back cushion 6 can be folded in half and stored, the volume of the back chair can be effectively reduced, and the back chair is convenient and easy to carry.

Further, cloth sleeves 61 are arranged on two sides of the chair back area of the backrest cushion 6, and a notch 62 is formed in the middle of each cloth sleeve 61 corresponding to the connecting column 3;

specifically, the cloth cover 61 is in a closed loop structure, and the upper side of the cloth cover is provided with an inlet, so that the cannula is convenient to install; the notch 62 can leak out the bent pipe 2, and the supporting angle of the concave leg 1 can be conveniently adjusted.

Working principle: when the device is used, the bent pipe 2 is held, the grab handle 42 is pressed, the grab handle 42 drives the center column 41 and the gear 43 to rotate, the gear 43 is meshed with the transmission rack 44 to move, the rack 44 pulls the guide rod 45 to retract, the guide rod 45 drives the clamping block 46 to compress the spring 47, so that the guide rod 45 is far away from the convex block 31, the angle of the concave leg 1 can be automatically rotated, the concave leg 1 is unfolded, afterwards, the grab handle 42 is loosened, under the action of the elasticity of the spring 47, the clamping block 46 moves forwards to be matched with the convex block 31, the angle of the bent pipe 2 can be limited, different people can freely set the inclination angle according to own habits, the comfort is good, the operation is extremely convenient, the concave leg 1 and the bottom of the chair back rod 5 are propped against the ground, the back cushion 6 is unfolded, the user can rest or read by leaning on the back cushion 6, the inflatable air bag 63 can isolate the ground, the user is prevented from catching a cold, the rest and comfort, after the user is finished, the concave leg 1 and the chair back rod 5 can be attached again, the child adhesive tape 64 and the mother adhesive tape 65 are mutually adhered, the size of the chair can be effectively reduced, and the backrest is easy to carry.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a collapsible outdoor back chair, includes concave type leg (1), its characterized in that, the equal fixedly connected with return bend (2) in both ends of concave type leg (1), return bend (2) articulate in one side of spliced pole (3) is uncovered, just be connected with locking mechanism (4) between return bend (2), spliced pole (3), the upper and lower both sides of spliced pole (3) all are connected with back of the chair pole (5), two the cover is established between back of the chair pole (5) and is connected with back pad (6).

2. The foldable outdoor backrest chair according to claim 1, wherein the locking mechanism (4) comprises a center column (41) which is rotationally embedded between two side inner walls of the bent pipe (2), a grab handle (42) and a gear (43) are fixedly connected to the outer side of the middle of the center column (41), the bottom end of the grab handle (42) extends out of the bent pipe (2) to be arranged, a rack (44) is connected to the lower side of the gear (43) in a meshed mode, a guide rod (45) is fixedly connected to one end of the rack (44), a clamping block (46) is fixedly connected to the front surface of the bent pipe (2) and extends out of one end of the guide rod (45), and a spring (47) is sleeved on the outer side of the guide rod (45) between the clamping block (46) and the bent pipe (2).

3. A foldable outdoor back rest chair according to claim 2, characterized in that the open bottom of the connecting column (3) is provided with an arc surface, a plurality of protruding blocks (31) are arranged on the arc surface corresponding to the clamping blocks (46), and the cross section of each protruding block (31) is in a triangular structure and is designed to be matched with the clamping block (46).

4. The foldable outdoor backrest chair according to claim 1, wherein the upper end surface and the lower end surface of the connecting column (3) are respectively provided with a thread groove (32), and the thread grooves (32) are matched with the external thread structure design of the end part of the backrest rod (5).

5. The foldable outdoor backrest chair according to claim 1, wherein cloth covers (61) are arranged on two sides of a backrest area of the backrest cushion (6), and grooves (62) are formed in the middle of each cloth cover (61) corresponding to the connecting columns (3).

6. A foldable outdoor back rest chair according to claim 5, characterized in that the seat area of the back rest (6) is provided with at least one inflatable airbag (63), and the back area of the back rest (6) is provided with a child adhesive tape (64), and the seat area of the back rest (6) is provided with a female adhesive tape (65) which can be velcro connected with the child adhesive tape (64).

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