CN220579628U - Clothes hanger with improved folding locking structure - Google Patents

Abstract

The utility model discloses a clothes hanger with an improved folding locking structure, which comprises a bottom frame and two wing frames which are symmetrically arranged left and right, wherein the two wing frames are respectively and rotatably arranged on the upper part of the bottom frame, a folding locking mechanism is arranged on the upper part of the bottom frame, the folding locking mechanism comprises a sliding limiting part, an elastic resetting part and at least two limiting rotating wheels, the two limiting rotating wheels are respectively arranged on the inner ends of the two wing frames, the sliding limiting part is slidably arranged on the upper part of the bottom frame along the longitudinal direction, the elastic resetting part is connected with the sliding limiting part, the limiting rotating wheels are provided with limiting inserting parts along the longitudinal direction, and the sliding limiting part is respectively in limiting fit with the two limiting inserting parts. The limiting rotating wheels arranged on the two wing frames are respectively locked through the sliding limiting piece, so that the two wing frames are locked and fixed, a limiting rod is not required to be arranged between the wing frames and the underframe, the structure is simplified, the cost is reduced, and the folding and unfolding are more convenient and quicker; the two wing frames can be locked and fixed at different angles.

Description

Clothes hanger with improved folding locking structure

Technical Field

The utility model relates to the technical field of clothes hangers, in particular to a clothes hanger with an improved folding locking structure.

Background

The clothes hanger is a rack for airing clothes, the clothes hanger can be folded, the clothes hanger can be used for airing the clothes in a unfolding mode, the occupied space is reduced when the clothes hanger is stored, and the clothes hanger is a necessary household article.

In the prior art, according to the folding mode of the clothes hanger, the X-shaped clothes hanger, the H-shaped clothes hanger and the wing-shaped clothes hanger are mainly divided, wherein the X-shaped clothes hanger is connected with two X-shaped side frames through a clothes hanger rod, the H-shaped clothes hanger is connected with two H-shaped side frames through a clothes hanger rod, and after the two clothes hangers are unfolded, the two clothes hangers occupy larger space and have larger volume and are not suitable for small houses; the two wing frames of the wing-shaped clothes hanger are hinged through the two connecting pieces, and the two connecting pieces are respectively and rotatably connected with the two supporting rods, so that the wing-shaped clothes hanger has the characteristics of small volume and convenience in folding.

However, the wing-shaped clothes hanger in the prior art needs to carry out limit locking on two wing-shaped frames when being unfolded, the wing-shaped clothes hanger is characterized in that a limit rod is connected between a support rod and the wing-shaped frames, the lower end part of the limit rod is rotatably arranged on the support rod, and the upper end part of the limit rod is movably connected with the wing-shaped frames, so that the wing-shaped frames are supported and limited through the limit rod when being unfolded, the wing-shaped frames are complex in structure and high in cost, the limit rods need to be detached one by one and then folded when being folded, and the wing-shaped clothes hanger is complex in operation and inconvenient to use; and in the case of windy weather, the limit rod is easy to fall off from the wing frame, the windproof performance is poor, and the stability and the reliability are low, so that improvement is needed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the clothes hanger with the improved folding locking structure, which simplifies the structure of the clothes hanger, reduces the cost, improves the wind resistance and improves the folding and unfolding convenience.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an improve clothes hanger that dries in air of folding locking structure, including chassis and two wing frames that bilateral symmetry set up, two wing frames rotate respectively and install in the upper portion of chassis, the upper portion of chassis is provided with folding locking mechanism, folding locking mechanism includes the slip locating part, be used for resetting the elasticity of slip locating part and two at least spacing runners, two spacing runners are installed respectively in the inner end of two wing frames, slip locating part is along longitudinal direction slidable mounting in the upper portion of chassis, the elasticity is reset and is connected with the slip locating part, spacing runner is provided with spacing grafting portion along longitudinal direction, slip locating part respectively with two spacing grafting portion spacing cooperation.

In a further technical scheme, the folding locking mechanism is provided with four limit rotating wheels, the four limit rotating wheels are respectively arranged on the front side and the rear side of the inner end parts of the two wing frames, the limit plug-in connection part comprises a plurality of limit convex strips, and each limit convex strip is arranged on the outer side face of the limit rotating wheel along the circumferential direction at intervals to form a gear-shaped limit rotating wheel.

In a further technical scheme, the sliding limiting piece comprises at least two limiting slide bars, the two limiting slide bars are respectively arranged on the front side and the rear side of the upper portion of the underframe in a sliding mode along the longitudinal direction, at least one limiting groove is formed in the outer end portion of each limiting slide bar, the first limiting slide bar is in movable plug-in connection with a limiting convex strip of any limiting rotating wheel arranged on the first wing frame, and the second limiting slide bar is in movable plug-in connection with a limiting convex strip of any limiting rotating wheel arranged on the second wing frame.

In a further technical scheme, two limit rotating wheels on the same side of the two wing frames are meshed with each other, a limit groove of one limit sliding rod is in plug-in connection with a limit convex strip on any limit rotating wheel on the front side, and a limit groove of the other limit sliding rod is in plug-in connection with a limit convex strip on any limit rotating wheel on the rear side.

In a further technical scheme, the sliding limiting piece comprises four limiting slide bars, the four limiting slide bars are respectively arranged on the inner sides of the four limiting rotating wheels in a sliding mode along the longitudinal direction, a limiting groove is respectively formed in the outer end portion of each limiting slide bar, and each limiting groove is respectively in movable splicing fit with the limiting convex strips of each limiting rotating wheel.

In a further technical scheme, the upper part of the underframe is provided with a folding installation platform, the front end and the rear end of the folding installation platform are respectively provided with a folding connecting piece, the two wing-shaped frames are respectively rotatably installed on the left side and the right side of the two folding connecting pieces through a limiting rotating wheel,

the bottom of folding mounting platform is provided with two mounting, and the interval sets up around two mounting, and the fixed spout of running through the mounting around having seted up respectively in the left and right sides of each mounting, and each spacing slide bar slidable mounting is in each fixed spout around respectively.

In further technical scheme, the outer tip of spacing slide bar is inserted and is equipped with spacing plug, the inner tip is inserted and is equipped with the unblock handle, and the spacing groove sets up in spacing plug one side towards spacing runner, and four folding spouts have been seted up at folding mounting platform's middle part, and the unblock handle upwards bends and passes corresponding folding spout and bulge in folding mounting platform's up end, and unblock handle and folding spout spacing cooperation.

In a further technical scheme, the limit plug comprises a limit part and an inserting part integrally formed at the inner end part of the limit part, the inserting part is inserted at the outer end part of the limit sliding rod, the cross section of one end of the limit part, which faces the limit rotating wheel, is isosceles trapezoid, the short side of the limit part faces the limit rotating wheel, and the limit groove is formed in the short side of the limit part along the length direction of the limit plug;

the upper end part of the unlocking handle extends out of an unlocking part along the left side and the right side respectively.

In further technical scheme, folding connecting piece includes shell body and inner shell body, shell body and inner shell body cover close the setting, form the installation cavity between shell body and the inner shell body, each spacing runner rotation mounting is in the installation cavity, folding mounting platform's tip and inner shell body fixed connection, a plug erection column inwards extends respectively in the left and right sides of inner shell body, plug erection column has seted up the plug mounting hole along longitudinal direction, spacing portion slidable mounting in the plug mounting hole of spacing plug, when folding locking mechanism locking, the outer tip of spacing portion supports the inner wall of top shell body, when folding locking mechanism unblock, the inner tip of spacing portion supports the inner wall of the inner tip of plug erection column.

In a further technical scheme, the elastic reset piece comprises four reset springs, each reset spring is sleeved on the corresponding limiting slide rod respectively, the outer end of each reset spring abuts against the folding connecting piece or the limiting plug, and the inner end of each reset spring abuts against the fixing piece.

By adopting the structure, compared with the prior art, the utility model has the following advantages: the limiting rotating wheels arranged on the two wing frames are respectively locked through the sliding limiting piece, so that the two wing frames are locked and fixed, a limiting rod is not required to be additionally arranged between the wing frames and the underframe, the structure is simplified, the cost is reduced, the limiting rods are not required to be detached and installed one by one during folding and unfolding, and the folding and unfolding are more convenient and quicker; the limiting rotating wheel is provided with a plurality of limiting convex strips to form a gear shape, and the limiting grooves are in splicing fit with different limiting convex strips, so that the two wing frames are locked and fixed at different angles, can be unfolded for airing under the condition of multiple angles, and the flexibility is improved; the folding locking mechanism is arranged on the upper portion of the underframe, does not protrude out of the underframe, reduces space occupation, is not easy to touch and unlock by external force accidentally when in use, and is stronger in wind resistance, higher in stability and reliability.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a first embodiment of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is an exploded view of a positive lock structure according to a first embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a first embodiment of the utility model;

fig. 5 is a cross-sectional view of a second embodiment of the present utility model.

In the figure:

1 an underframe, a 12-fold mounting platform, a 121-fold chute, a 13-fold connector, a 131 outer shell, a 132 inner shell, a 133 plug mounting column, a 134 plug mounting hole, a 14 fixing piece and a 141-fix chute;

2 wing frames;

3, limiting the rotating wheel and 31 limiting convex strips;

4, a limit slide bar, a 41 limit plug, a 411 limit part, a 412 limit groove, a 413 plug-in part, a 42 unlocking handle and a 421 unlocking part;

and 5, a return spring.

Detailed Description

The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model.

Embodiment one:

the utility model provides an improve folding locking structure's clothes hanger that dries in air, as shown in fig. 1 through 4, including chassis 1 and two wing frames 2 that bilateral symmetry set up, two wing frames 2 are rotatory respectively to be installed in the upper portion of chassis 1, the upper portion of chassis 1 is provided with folding locking mechanism, folding locking mechanism includes the slip locating part, be used for resetting the elasticity reset piece and two at least spacing runner 3 of slip locating part, two spacing runner 3 are installed respectively in the inner end of two wing frames 2, slip locating part is along longitudinal direction slidable mounting in the upper portion of chassis 1, the elasticity reset piece is connected with the slip locating part, spacing runner 3 is provided with spacing grafting portion along longitudinal direction, the slip locating part respectively with two spacing grafting portion spacing cooperation.

The traditional wing-shaped clothes hanger needs to be connected with the wing frames 2 and the supporting rods through the limiting rods, so that the wing frames 2 are supported and locked through the limiting rods during unfolding, the structure is complex, the cost is high, the limiting rods are required to be detached and installed one by one during folding and unfolding, the folding and unfolding steps are complicated, and the use is inconvenient; the folding locking mechanism is arranged on the upper portion of the underframe 1, does not protrude out of the underframe 1, reduces space occupation, is not easy to accidentally touch and unlock by external force when in use, and is stronger in wind resistance, higher in stability and reliability.

Specifically, the folding locking mechanism is provided with four spacing runner 3, and four spacing runner 3 set up respectively in the front and back both sides of the inner end of two wing frames 2, and spacing grafting portion includes a plurality of spacing sand grip 31, and each spacing sand grip 31 sets up at the lateral surface of spacing runner 3 along the circumferencial direction interval, forms the spacing runner 3 of gear shape. The spacing runner 3 is provided with a plurality of spacing sand grip 3131 and forms the gear shape, through slip locating part and the cooperation of pegging graft of different spacing sand grip 3131 to realize carrying out the locking fixedly to two wing frames 2 on different angles, two wing frames 2 can expand under the condition of multi-angle and carry out the sunning, improve the flexibility.

Specifically, the sliding limiting piece comprises at least two limiting slide bars 4, the two limiting slide bars 4 are respectively arranged on the front side and the rear side of the upper portion of the underframe 1 in a sliding mode along the longitudinal direction, at least one limiting groove 412 is formed in the outer end portion of each limiting slide bar 4, the first limiting slide bar 4 is in movable plug-in fit with the limiting convex bar 31 of any one limiting rotating wheel 3 arranged on the first wing-shaped frame 2, and the second limiting slide bar 4 is in movable plug-in fit with the limiting convex bar 31 of any one limiting rotating wheel 3 arranged on the second wing-shaped frame 2. When unfolding and folding the clothes hanger, the two limiting slide bars 4 are respectively moved inwards by kneading the two limiting slide bars 4, the limiting groove 412 is separated from the limiting raised strips 31, at the moment, the two wing frames 2 can freely rotate, the two wing frames 2 rotate to a target angle and then are loosened, the two limiting slide bars 4 are respectively moved outwards under the action of the elastic resetting piece, the limiting raised strips 31 are inserted into the limiting groove 412, and therefore the two wing frames 2 are locked and fixed. In this embodiment, the two wing frames 2 rotate independently, so that the unfolding angle of the wing frames 2 can be adjusted independently during use, and flexibility is further improved.

Preferably, as shown in fig. 2 and 3, the sliding limiting member includes four limiting slide bars 4, the four limiting slide bars 4 are respectively slidably mounted on the inner sides of the four limiting rotating wheels 3 along the longitudinal direction, a limiting groove 412 is respectively provided at the outer end of each limiting slide bar 4, and each limiting groove 412 is respectively movably inserted and matched with the limiting convex strip 31 of each limiting rotating wheel 3. The four limit sliding rods 4 are respectively and independently locked with the four limit rotating wheels 3, so that the locking capacity of the folding locking mechanism is improved, the two wing frames 2 are more stable, the wind resistance is further improved, and the bearing capacity of the wing frames 2 is improved.

Specifically, as shown in fig. 1, a folding mounting platform 12 is disposed on the upper portion of the chassis 1, folding connectors 13 are disposed at front and rear ends of the folding mounting platform 12, two wing frames 2 are rotatably mounted on left and right sides of the two folding connectors 13 through limiting wheels 3, two fixing pieces 14 are disposed at the bottom of the folding mounting platform 12, the two fixing pieces 14 are disposed at intervals from front to back, fixing sliding grooves 141 penetrating through the fixing pieces 14 from front to back are respectively disposed on left and right sides of each fixing piece 14, and each limiting sliding rod 4 is slidably mounted on each fixing sliding groove 141 from front to back. The folding mounting platform 12 is used for connecting two folding connecting pieces 13, and the two wing frames 2 are connected through the two folding connecting pieces 13, so that the folding mounting platform is simple in structure, low in cost and convenient to produce and assemble; the folding mounting platform 12 can protect and hide the spacing slide bar 4, prolongs the life of spacing slide bar 4, improves aesthetic property, and simultaneously the folding mounting platform 12 can also put the clothing that is inconvenient for hanging such as shoes when sunning, improves the sunning volume of clothes hanger.

Specifically, the outer end part of the limit sliding rod 4 is inserted with a limit plug 41, the inner end part is inserted with an unlocking handle 42, a limit groove 412 is formed in one side of the limit plug 41 facing the limit rotating wheel 3, four folding sliding grooves 121 are formed in the middle of the folding installation platform 12, the unlocking handle 42 is bent upwards to penetrate through the corresponding folding sliding grooves 121 and protrudes out of the upper end surface of the folding installation platform 12, and the unlocking handle 42 is in limit fit with the folding sliding grooves 121. The unlocking handle 42 is inserted at the inner end of the limiting slide bar 4, the unlocking handle 42 protrudes out of the upper end face of the folding installation platform 12, the limiting slide bar 4 is convenient to operate and move, the limiting plug 41 and the unlocking handle 42 are made of plastic materials, the limiting slide bar 4 is made of aluminum alloy materials, and cost is reduced under the condition that structural strength is guaranteed.

Specifically, the limiting plug 41 includes a limiting portion 411 and an inserting portion 413 integrally formed at an inner end portion of the limiting portion 411, the inserting portion 413 is inserted at an outer end portion of the limiting slide rod 4, a cross section of the limiting portion 411 facing one end of the limiting rotating wheel 3 is isosceles trapezoid, a short side of the limiting portion 411 faces the limiting rotating wheel 3, and a limiting groove 412 is formed in a short side of the limiting portion 411 along a length direction of the limiting plug 41; the unlocking handle 42 has an unlocking portion 421 extending from the upper end portion thereof along the left and right sides. The cross section of one end of the limiting part 411 facing the limiting rotating wheel 3 is isosceles trapezoid, and the two isosceles sides are obliquely arranged to avoid the unlocked limiting convex strips 31, so that the limiting part 411 is prevented from interfering with the limiting convex strips 31; the unlocking portion 421 facilitates gripping the unlocking handle 42.

Specifically, as shown in fig. 3, the folding connector 13 includes an outer housing 131 and an inner housing 132, the outer housing 131 and the inner housing 132 are covered and arranged, an installation cavity is formed between the outer housing 131 and the inner housing 132, each limit runner 3 is rotatably installed in the installation cavity, the end of the folding installation platform 12 is fixedly connected with the inner housing 132, the left and right sides of the inner housing 132 respectively extend inwards to form a plug installation column 133, the plug installation column 133 is provided with a plug installation hole 134 along the longitudinal direction, a limit part 411 of the limit plug 41 is slidably installed in the plug installation hole 134, when the folding locking mechanism is locked, the outer end of the limit part 411 abuts against the inner wall of the outer housing 131, and when the folding locking mechanism is unlocked, the inner end of the limit part 411 abuts against the inner wall of the inner end of the plug installation column 133. The sliding limiting piece is fixed through the plug mounting hole 134 and the fixed sliding chute 141 respectively, the sliding limiting piece is prevented from shaking, accurate matching of the limiting convex strips 31 and the limiting grooves 412 is ensured, the limiting portion 411 is limited through the outer shell 131 and the inner shell 132, transitional movement of the limiting portion 411 is prevented, the limiting portion 411 slides out of the folding connecting piece 13, and stability and reliability are improved.

Specifically, the elastic reset piece comprises four reset springs 5, each reset spring 5 is sleeved on the corresponding limit sliding rod 4, the outer end of each reset spring 5 abuts against the folding connecting piece 13 or the limit plug 41, and the inner end of each reset spring 5 abuts against the fixing piece 14. When unlocking, the limiting slide bar 4 displaces and extrudes the reset spring 5, and when locking, the limiting slide bar 4 is driven to reset under the elastic acting force of the reset spring 5, and the elastic reset piece adopts the cylindrical reset spring 5, so that the structure is simple and the cost is low.

Embodiment two:

as shown in fig. 5, the structure of the clothes hanger with the improved folding locking structure is basically the same as that of the clothes hanger in the first embodiment, except that the two limit rotating wheels 3 on the same side of the two wing frames 2 in the first embodiment are meshed with each other, the limit groove 412 of one limit sliding rod 4 is in plug-in fit with the limit convex strip 31 on any one limit rotating wheel 3 on the front side, and the limit groove 412 of the other limit sliding rod 4 is in plug-in fit with the limit convex strip 31 on any one limit rotating wheel 3 on the rear side. The two wing frames 2 synchronously rotate under the action of the limiting rotating wheel 3, and only one wing frame 2 needs to be rotated when the clothes hanger is unfolded and folded, so that the folding and unfolding operation steps are further simplified, and the use is more convenient.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The utility model provides an improve clothes hanger that dries in air of folding locking structure, includes chassis (1) and two wing frames (2) that bilateral symmetry set up, and two wing frames (2) are rotatory respectively to be installed in the upper portion of chassis (1), its characterized in that: the upper portion of chassis (1) is provided with folding locking mechanism, folding locking mechanism includes the slip locating part, be used for resetting the elasticity of slip locating part and two at least spacing runner (3), two spacing runners (3) are installed respectively in the inner tip of two wing frames (2), slip locating part along longitudinal direction slidable mounting in the upper portion of chassis (1), the elasticity is reset and is connected with the slip locating part, spacing runner (3) are provided with spacing grafting portion along longitudinal direction, the slip locating part respectively with two spacing grafting portion spacing cooperations.

2. The improved folding and locking structure of claim 1, wherein: the folding locking mechanism is provided with four spacing runner (3), four spacing runner (3) set up respectively in two the front and back both sides of the inner tip of wing frame (2), spacing grafting portion includes a plurality of spacing sand grip (31), and each spacing sand grip (31) set up in the lateral surface of spacing runner (3) along the circumferencial direction interval, form spacing runner (3) of gear shape.

3. A laundry rack having an improved folding locking structure according to claim 2, wherein: the sliding limiting piece comprises at least two limiting slide bars (4), the two limiting slide bars (4) are respectively arranged on the front side and the rear side of the upper portion of the underframe (1) in a sliding mode along the longitudinal direction, at least one limiting groove (412) is formed in the outer end portion of each limiting slide bar (4), the first limiting slide bar (4) is in movable plug connection with any one limiting convex strip (31) of the limiting rotating wheel (3) arranged on the first wing-shaped frame (2), and the second limiting slide bar (4) is in movable plug connection with the limiting convex strip (31) of any one limiting rotating wheel (3) arranged on the second wing-shaped frame (2).

4. A laundry rack having an improved folding locking structure according to claim 3, wherein: the two limit rotating wheels (3) on the same side of the two wing frames (2) are meshed with each other, the limit groove (412) of one limit sliding rod (4) is in plug-in fit with the limit convex strip (31) on any limit rotating wheel (3) on the front side, and the limit groove (412) of the other limit sliding rod (4) is in plug-in fit with the limit convex strip (31) on any limit rotating wheel (3) on the rear side.

5. A laundry rack having an improved folding locking structure according to claim 3, wherein: the sliding limiting piece comprises four limiting slide bars (4), the four limiting slide bars (4) are respectively arranged on the inner sides of the four limiting rotating wheels (3) in a sliding mode along the longitudinal direction, one limiting groove (412) is respectively formed in the outer end portion of each limiting slide bar (4), and each limiting groove (412) is respectively in movable plug-in connection with each limiting convex strip (31) of each limiting rotating wheel (3).

6. The improved folding and locking structure of claim 5, wherein: the upper part of the underframe (1) is provided with a folding installation platform (12), the front end and the rear end of the folding installation platform (12) are respectively provided with a folding connecting piece (13), the two wing frames (2) are respectively rotatably installed on the left side and the right side of the two folding connecting pieces (13) through the limit rotating wheels (3),

the bottom of folding mounting platform (12) is provided with two mounting (14), and interval setting around two mounting (14), and fixed spout (141) that runs through mounting (14) around the left and right sides of each mounting (14) are seted up respectively, each spacing slide bar (4) slidable mounting is in each fixed spout (141) around respectively.

7. The improved folding and locking structure of claim 6, wherein: the outer end part of the limiting sliding rod (4) is inserted with a limiting plug (41), the inner end part is inserted with an unlocking handle (42), the limiting groove (412) is formed in one side of the limiting plug (41) facing the limiting rotating wheel (3), four folding sliding grooves (121) are formed in the middle of the folding installation platform (12), the unlocking handle (42) is bent upwards to penetrate through the corresponding folding sliding grooves (121) and protrudes out of the upper end face of the folding installation platform (12), and the unlocking handle (42) is in limiting fit with the folding sliding grooves (121).

8. The improved folding and locking structure of claim 7, wherein: the limiting plug (41) comprises a limiting part (411) and an inserting part (413) integrally formed at the inner end part of the limiting part (411), the inserting part (413) is inserted into the outer end part of the limiting slide rod (4), the cross section of the limiting part (411) towards one end of the limiting rotating wheel (3) is isosceles trapezoid, the short side of the limiting part (411) faces the limiting rotating wheel (3), and the limiting groove (412) is formed in the short side of the limiting part (411) along the length direction of the limiting plug (41);

an unlocking part (421) extends from the upper end of the unlocking handle (42) along the left side and the right side respectively.

9. The improved folding and locking structure of claim 8, wherein: the folding connector (13) comprises an outer shell (131) and an inner shell (132), wherein the outer shell (131) and the inner shell (132) are covered, an installation cavity is formed between the outer shell (131) and the inner shell (132), each limit rotating wheel (3) is rotatably installed in the installation cavity, the end part of the folding installation platform (12) is fixedly connected with the inner shell (132), a plug installation column (133) extends inwards from the left side and the right side of the inner shell (132), a plug installation hole (134) is formed in the plug installation column (133) along the longitudinal direction, the limiting part (411) of the limiting plug (41) is slidably installed in the plug installation hole (134), the outer end part of the limiting part (411) abuts against the inner wall of the outer shell (131) when the folding locking mechanism is locked, and the inner end part of the limiting part (411) abuts against the inner wall of the inner end part of the plug installation column (133) when the folding locking mechanism is unlocked.

10. The improved folding and locking structure of claim 7, wherein: the elastic reset piece comprises four reset springs (5), each reset spring (5) is sleeved on the corresponding limit sliding rod (4), the outer end part of each reset spring (5) abuts against the folding connecting piece (13) or the limit plug (41), and the inner end part of each reset spring (5) abuts against the fixing piece (14).