CN219835395U - Chair frame locking and positioning structure and folding rocking chair frame - Google Patents

Abstract

The utility model relates to a chair frame locking and positioning structure and a folding rocking chair frame, wherein the chair frame locking and positioning structure comprises two chair frame vertical pipes and a sliding locking piece which is sleeved on the chair frame vertical pipes in a sliding manner and can be locked and positioned, and the sliding locking piece comprises: the vertical pipe sliding sleeve is sleeved on the vertical pipe of the chair frame in a sliding manner; the middle part of the limiting spanner buckle is hinged to the side wall of the vertical pipe sliding sleeve through a rotating shaft so that the limiting spanner buckle rotates around the rotating shaft when pressed; the torsion spring is arranged at one end of the limiting spanner to provide elastic force for the limiting spanner; the limiting pin hole is formed in the side wall of the vertical pipe sliding sleeve; the locking bolt is hinged to the other end of the limiting spanner, and the inner end penetrates through the limiting pin hole and is inserted into a positioning hole formed in the seat frame vertical pipe so as to lock and position the vertical pipe sliding sleeve on the seat frame vertical pipe. The utility model is especially suitable for outdoor leisure riding and rapid unfolding and folding of users, and has higher social use value and application prospect.

Description

Chair frame locking and positioning structure and folding rocking chair frame

Technical Field

The utility model relates to the field of seat structures, in particular to a locking and positioning structure of a seat frame and a folding rocking chair frame.

Background

The rocking chair is a special chair, and in the prior art, the structure of the rocking chair is mainly a suspension type, namely a chair frame comprising a support and a chair surface capable of swinging to sit, generally, the chair frame adopts a folding structure, the carrying process is folded into a smaller volume, the chair frame is unfolded during use, the chair surface is hoisted on the unfolded folding chair frame, and an occupant sits on the chair surface and can shake the body, so that the swinging aim is achieved.

The folding function of the rocking chair can facilitate carrying the rocking chair for outdoor use, but the existing chair frame is not provided with a limiting locking structure after being unfolded in place, so that the rocking chair can be deformed in the use process, especially under the condition of sudden stress, and even can collapse and be damaged in severe cases; meanwhile, the existing folding chair frame is usually folded by adopting a plug-in type structure, is assembled when in use, is disassembled when not in use, and is excessively time-consuming and labor-consuming to disassemble.

Therefore, we propose a chair frame locking and positioning structure and a folding rocking chair frame.

Disclosure of Invention

The embodiment of the utility model provides a locking and positioning structure of a chair frame, which at least solves the problems that the chair frame is not provided with a limiting locking structure after being unfolded in place in the prior art, so that the rocking chair is likely to deform in the use process, especially under the condition of sudden stress, and even collapse and damage are caused in serious cases.

The embodiment of the utility model provides a folding rocking chair frame, which at least solves the problems that the folding rocking chair frame is usually folded by adopting a plug-in structure, is assembled when in use, is disassembled when not in use, and is excessively time-consuming and labor-consuming to disassemble.

In a first aspect, an embodiment of the present utility model provides a locking and positioning structure for a chair frame, including two chair frame risers and a sliding locking member slidably sleeved on the chair frame risers and capable of locking and positioning, where the sliding locking member includes: the vertical pipe sliding sleeve is sleeved on the vertical pipe of the chair frame in a sliding manner; the middle part of the limiting spanner buckle is hinged to the side wall of the vertical pipe sliding sleeve through a rotating shaft so that the limiting spanner buckle rotates around the rotating shaft when pressed; the torsion spring is arranged at one end of the limiting spanner to provide elastic force for the limiting spanner; the limiting pin hole is formed in the side wall of the vertical pipe sliding sleeve; the locking bolt is hinged to the other end of the limiting spanner, and the inner end penetrates through the limiting pin hole and is inserted into a positioning hole formed in the seat frame vertical pipe so as to lock and position the vertical pipe sliding sleeve on the seat frame vertical pipe.

Optionally, the two limiting pull buttons are symmetrically arranged on opposite sides of the two vertical pipe sliding sleeves respectively so as to avoid false touching.

Optionally, a spring clamping groove for clamping and positioning the torsion spring is formed in the vertical pipe sliding sleeve.

Optionally, the limiting spanner comprises: the tail end of the pulling buckle body is tilted; the rotating male part is integrally formed in the middle of the spanner buckle body and is matched and rotated and installed on a rotating female seat formed on the vertical pipe sliding sleeve through a rotating shaft; the bolt hinging part is integrally formed at the head end of the pulling buckle body and hinged with the locking bolt.

Optionally, the inner end of the locking bolt is arc-shaped to facilitate entry into the locating hole.

In a second aspect, an embodiment of the present utility model provides a folding swing frame, with the above-mentioned chair frame locking and positioning structure, further including: the two hinging seats are respectively hinged to the bottom ends of the seat frame vertical pipes; the four side support pipes are in a group, the top ends of the side support pipes in the same group are respectively and symmetrically hinged on the opposite side walls of the two sliding locking pieces, and the bottom ends of the side support pipes are all supported on the ground; two inner supporting palms; the four inner supporting pipes are in a group, the far ends of the inner supporting pipes in the same group are respectively and symmetrically hinged to the bottom ends of the side supporting pipes in the same group, and the opposite ends of the inner supporting pipes are hinged to the same inner supporting palm; the two cross pipes are arranged in an X-shaped cross way, the top ends of the two cross pipes are hinged with the sliding locking piece, and the bottom ends of the two cross pipes are hinged with the inner supporting palm; wherein, two articulated seats are respectively fixed to the lower parts of the side walls of two crossed pipes in a sleeving manner.

Optionally, the sum of the lengths of the side support tube and the inner support tube after folding is equal to the length of the cross tube.

Alternatively, the intersecting centers of the two intersecting pipes are rotatably connected by a pin.

Optionally, the bottom of the side support tube is sleeved with a support base, and the end part of the inner support tube is hinged on the support base.

Further, optionally, a plurality of anti-slip bulges are uniformly distributed at the bottom ends of the inner supporting palm and the supporting base.

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

according to the chair frame locking and positioning structure provided by the technical scheme, the sliding locking piece can be positioned at the corresponding position of the chair frame vertical pipe, so that the locking and positioning effects are achieved; specifically, in the initial state, the vertical pipe sliding sleeve is sleeved on the vertical pipe of the chair frame in a sliding manner, the inner end of the locking bolt is abutted against the side wall of the vertical pipe of the chair frame under the elasticity of the torsion spring, and when the position of the positioning hole on the vertical pipe of the chair frame is reached, the locking bolt is inserted into the positioning hole under the elasticity of the torsion spring, so that locking positioning is completed.

According to the folding rocking chair frame provided by the technical scheme, the chair seat can be hoisted on the chair frame, and can rock relative to the chair frame, so that a rider can rock back and forth like a rocking chair; meanwhile, the chair frame locking and positioning structure has the advantages that the folding chair frame in the unfolded state can be positioned, a plurality of supporting points are formed between the folding chair frame and the ground, and the stable support of the chair frame is maintained; and when folding, two chair frame risers are in a tube bundle state approximately parallel with four side support pipes, four inner support pipes and two cross pipes, and the chair frame risers do not need to be split into a plurality of independent parts, so that the chair is convenient to store and store.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a structure of a folding swing frame in accordance with the present utility model.

Fig. 2 is a side view of the structure of the folding swing frame of the present utility model.

Fig. 3 is a schematic perspective view of a folding swing frame according to the present utility model.

Fig. 4 is a schematic perspective view of a folding swing frame according to the present utility model.

FIG. 5 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model.

Fig. 6 is an enlarged schematic view of the B structure of fig. 4 according to the present utility model.

Reference numerals illustrate:

10. a chair frame riser; 20. a hinge base; 30. a cross pipe; 40. a side support tube; 50. a sliding closure; 60. an inner supporting palm; 70. an inner support tube; 80. a support base;

500. a riser runner; 501. rotating the female base; 502. limiting spanner buckle; 503. a torsion spring; 504. a spring clamping groove; 505. locking the bolt; 506. limiting pin holes;

521. a pulling buckle body; 522. rotating the male part; 523. a bolt hinge part.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

An embodiment 1 of the present utility model provides a locking and positioning structure for a chair frame, and fig. 4 to 6 are enlarged schematic views of the locking and positioning structure for a chair frame according to an embodiment of the present utility model; as shown in fig. 4 to 6, the chair frame locking and positioning structure provided by the embodiment of the utility model includes two chair frame risers 10 and a sliding locking piece 50 slidably sleeved on the chair frame risers 10 and capable of locking and positioning, wherein the sliding locking piece 50 includes: the vertical pipe sliding sleeve 500 is sleeved on the chair frame vertical pipe 10 in a sliding manner; the middle part of the limiting spanner 502 is hinged on the side wall of the vertical pipe sliding sleeve 500 through a rotating shaft so that the limiting spanner 502 rotates around the rotating shaft when being pressed, and in the embodiment, the two limiting spanner 502 are symmetrically arranged on the opposite sides of the two vertical pipe sliding sleeves 500 respectively so as to avoid false collision; a torsion spring 503 disposed at one end of the limit trigger 502 to provide an elastic force to the limit trigger 502; a limit pin hole 506 formed on the sidewall of the riser sleeve 500; the locking bolt 505 is hinged at the outer end of the limiting spanner 502, and the inner end penetrates through the limiting pin hole 506 and is inserted into a positioning hole formed in the chair frame riser 10 so as to lock and position the riser sliding sleeve 500 on the chair frame riser 10; referring to fig. 5-6, the inner end of the locking pin 505 is arcuate to facilitate access to the locating hole;

in this embodiment, referring to fig. 5, specifically, the limiting trigger 502 includes: the tail end of the pulling buckle 521 is tilted; the rotating male part 522 is integrally formed in the middle of the spanner buckle body 521 and is matched and rotated on the rotating female seat 501 formed on the vertical pipe sliding sleeve 500 through a rotating shaft; the latch hinge portion 523 is integrally formed at the head end of the trigger body 521 and is hinged to the locking latch 505.

In this embodiment, referring to fig. 1-6, in an initial state, the riser sliding sleeve 500 is slidably sleeved on the seat frame riser 10, the inner end of the locking bolt 505 abuts against the side wall of the seat frame riser 10 under the elasticity of the torsion spring 503, and when the position of the positioning hole on the seat frame riser 10 is reached, the locking bolt 505 is inserted into the positioning hole under the elasticity of the torsion spring 503, so as to complete locking positioning;

when the user releases the limit, the limit spanner 502 is moved, so that the limit spanner 502 rotates along the middle part of the limit spanner and compresses the torsion spring 503, at this time, the locking bolt 505 is driven by the limit spanner 502, and under the limit of the limit pin hole 506, the inner end part of the positioning hole formed on the seat frame riser 10 is drawn out and inserted in a straight line, at this time, the riser sliding sleeve 500 can freely slide on the seat frame riser 10.

In this embodiment, referring to fig. 5-6, a spring clamping groove 504 for clamping and positioning the torsion spring 503 is formed on the riser sliding sleeve 500, and is used for limiting and mounting the torsion spring 503 to maintain the elasticity.

Example two

The second embodiment of the present utility model further provides a folding rocking chair frame, which has the locking and positioning structure of the first embodiment, wherein the top ends of the two chair frame upright tubes 10 of the folding rocking chair frame are detachably hung with chair faces, only the structure of the folding rocking chair frame is shown in fig. 1-6, the chair faces can be a grid structure or a cloth cover formed by spinning, and also can be in a fixed-shape chair shape, the chair faces are lifted by a bracket, the connection points of the chair faces and the bracket are movably connected, the chair faces can swing back and forth like a rocking chair by the connection points between the chair faces and the bracket, and the folding rocking chair frame further comprises: two hinge seats 20 respectively hinged to the bottom ends of the chair frame riser 10; the four side support pipes 40 are in a group of two, the top ends of the side support pipes 40 in the same group are respectively and symmetrically hinged on the opposite side walls of the two sliding locking pieces 50, and the bottom ends of the side support pipes 40 are all supported on the ground; two inner support legs 60; the four inner supporting pipes 70 are in a group, the far ends of the inner supporting pipes 70 in the same group are respectively and symmetrically hinged to the bottom ends of the side supporting pipes 40 in the same group, and the opposite ends of the inner supporting pipes 70 are hinged to the same inner supporting palm 60; the two cross pipes 30 are arranged in an X-shaped cross manner, the top ends of the two cross pipes 30 are hinged with the sliding locking piece 50, the bottom ends of the two cross pipes are hinged with the inner supporting palm 60, and specifically, referring to fig. 3-4, the cross centers of the two cross pipes 30 are rotationally connected through pins, so that the supporting effect of the cross pipes 30 is more stable; wherein, the two hinging seats 20 are respectively fixedly sleeved at the lower parts of the side walls of the two crossed pipes 30;

in this embodiment, the components of the folding rocking chair frame are connected to each other into a whole, the sliding locking member 50 slides up and down along the upright tube 10 of the chair frame to enable the hinge point of each rod to rotate, the pipe is not required to be split for unfolding or folding, the chair frame is always kept in an integrated state, and the folding and unfolding can be fast and conveniently performed, and the situation that some components are lost can not occur. When the chair is folded, the two chair frame upright tubes 10, the four side support tubes 40, the four inner support tubes 70 and the two cross tubes 30 are in a tube bundle state which is approximately parallel, and the chair frame upright tubes are not required to be split into a plurality of independent parts, so that the chair is convenient to store and store; when the rocking chair is unfolded, the four inner supporting pipes 70 and the inner supporting palm 60 in the middle of the inner supporting pipes 70 are contacted with the ground, and a plurality of supporting points are formed between the inner supporting pipes and the ground, so that the stable support of the folding rocking chair frame is maintained.

Based on the above-mentioned scheme, the present utility model also provides a more specific arrangement scheme, when the sliding locking member 50 is fixed with the seat frame riser 10, the two side support pipes 40 and the two inner support pipes 70 on the same side can form a nearly triangular cone structure, and the seat frame riser 10 and the two side support pipes 40 remain relatively stable.

In this embodiment, referring to fig. 1-4, the sum of the lengths of the side support tube 40 and the inner support tube 70 after folding is equal to the length of the cross tube 30, and the sum of the lengths of the side support tube 40 and the inner support tube 70 is approximately equal to the length of the cross tube 30 during folding, and the three remain approximately parallel, maintaining the minimum folding and storage.

In this embodiment, referring to fig. 1-4, the bottom end of the side supporting tube 40 is sleeved with a supporting base 80, and the end of the inner supporting tube 70 is hinged on the supporting base 80, so that the supporting base 80 contacts with the ground to support and protect the whole chair frame, and referring to fig. 3-4, the supporting base 80 is provided with a strip-shaped groove for folding and accommodating the inner supporting tube 70, so that the inner supporting tube 70 partially enters the strip-shaped groove when being folded, and the side supporting tube 40 is maintained to be approximately parallel to the inner supporting tube 70.

In this embodiment, referring to fig. 1-4, further, a plurality of anti-skidding protrusions are uniformly distributed at the bottom ends of the inner supporting palm 60 and the supporting base 80, so that the anti-skidding protrusions contact the ground to maintain the stability of the chair frame in the unfolded state.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. The utility model provides a chair frame locking and positioning structure which is characterized in that, including two chair frame risers (10) and slip cap locate on chair frame riser (10) and can locking and positioning's slip closure piece (50), slip closure piece (50) include:

a vertical pipe sliding sleeve (500) which is sleeved on the chair frame vertical pipe (10) in a sliding way;

the middle part of the limiting spanner button (502) is hinged on the side wall of the vertical pipe sliding sleeve (500) through a rotating shaft so that the limiting spanner button (502) rotates around the rotating shaft when being pressed;

a torsion spring (503) arranged at one end of the limit spanner (502) to provide elastic force for the limit spanner (502);

the limiting pin hole (506) is formed in the side wall of the vertical pipe sliding sleeve (500);

the locking bolt (505) is hinged to the other end of the limiting spanner (502), and the inner end penetrates through the limiting pin hole (506) and is inserted into a positioning hole formed in the seat frame vertical tube (10) so as to lock and position the vertical tube sliding sleeve (500) on the seat frame vertical tube (10).

2. The chair frame locking and positioning structure according to claim 1, wherein the two limiting wrenches (502) are symmetrically disposed on opposite sides of the two riser sleeves (500), respectively.

3. The chair rack lock positioning structure according to claim 1, wherein: a spring clamping groove (504) for clamping and positioning the torsion spring (503) is formed in the vertical pipe sliding sleeve (500).

4. The chair rack locking and positioning structure according to claim 1, wherein the limit trigger (502) comprises:

a pulling buckle body (521), the tail end of which is tilted;

the rotating male part (522) is integrally formed in the middle of the pulling buckle body (521) and is arranged on the rotating female seat (501) formed on the vertical pipe sliding sleeve (500) in a matched rotation mode through a rotating shaft;

and the bolt hinging part (523) is integrally formed at the head end of the pulling buckle body (521) and hinged with the locking bolt (505).

5. The chair frame locking positioning structure according to claim 1, characterized in that the inner end of the locking pin (505) is arc-shaped to facilitate access to the positioning hole.

6. A folding swing frame having the frame locking and positioning structure of any one of claims 1-5, further comprising:

two hinging seats (20) respectively hinged to the bottom ends of the seat frame risers (10);

the four side support pipes (40) are in a group, the top ends of the side support pipes (40) in the same group are respectively and symmetrically hinged to the opposite side walls of the two sliding locking pieces (50), and the bottom ends of the side support pipes (40) are supported on the ground;

two inner support legs (60);

the four inner supporting pipes (70) are in a group, the far ends of the inner supporting pipes (70) in the same group are respectively and symmetrically hinged to the bottom ends of the side supporting pipes (40) in the same group, and the opposite ends of the inner supporting pipes (70) are hinged to the same inner supporting palm (60);

the two cross pipes (30) are arranged in an X-shaped cross way, the top ends of the two cross pipes (30) are hinged with the sliding locking piece (50), and the bottom ends of the two cross pipes are hinged with the inner supporting palm (60);

wherein, two articulated seats (20) are respectively fixedly sleeved at the lower parts of the side walls of two crossed pipes (30).

7. The folding swing frame of claim 6, wherein the sum of the lengths of said side stay (40) and said inner stay (70) after folding is equal to the length of said cross tube (30).

8. The folding swing frame according to claim 6, wherein the intersecting centers of the two intersecting tubes (30) are pivotally connected by a pin.

9. The folding swing frame according to claim 6, wherein the bottom ends of the side support tubes (40) are sleeved with support bases (80), and the ends of the inner support tubes (70) are hinged to the support bases (80).

10. The folding swing frame according to claim 9, wherein the bottom ends of the inner support leg (60) and the support base (80) are uniformly provided with a plurality of anti-slip protrusions.