CN217730495U

CN217730495U - Folding joint structure of cart

Info

Publication number: CN217730495U
Application number: CN202221939111.5U
Authority: CN
Inventors: 刘小丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-04
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to a folding joint technical field, concretely relates to shallow folding joint structure, which comprises a fixed base, fixing base and sliding seat, the top surface of fixing base is fixed with the solid fixed sleeving, the top surface of sliding seat is fixed with rotates the movable sleeve who is connected with the solid fixed sleeving, the inside wall sliding connection of solid fixed sleeving has the slip post, movable sleeve's inside is rotated and is connected with and is used for driving the sliding seat pivoted and rotates the post, movable sleeve and rotation are provided with the piece that resets between the post. The utility model discloses in, rotate the post through rotating the hand handle and rotate 30 degrees angles and make slip post and movable sleeve separation, continue to rotate after that and rotate the post 180 degrees angles and make movable sleeve take the movable rod to rotate and expand, through rotating the post and rotate this joint structure of 30 degrees unblocks and rotate the post once more and rotate 180 degrees angles and take the movable rod folding to combine together, realize coherent unblock and folding movable rod of carrying on, be favorable to improving the folding convenience of shallow joint structure.

Description

Folding joint structure of cart

Technical Field

The utility model relates to a folding joint technical field, concretely relates to shallow folding joint structure.

Background

Generally install the hand (hold) of being convenient for the hand push on the shallow of short distance transportation goods, some hand (holds) contain dead lever and movable rod, wherein, the movable rod can be to the rotatory 180 degrees angles of dead lever direction, realize that the movable rod on the hand (hold) reduces the workspace that the hand (hold) occupied through folding accomodating to the direction of dead lever when not using the shallow, the movable rod on most hand (hold) rotates folding time to the dead lever direction, need unblock the joint structure of dead lever pole and movable rod hookup location earlier, then rotate the movable rod again and make it accomplish folding accomodating, whole folding process need divide two actions (unblock action, folding action) to accomplish, in view of this, design one kind and will unblock action and folding action and fold the joint structure together, conveniently accomplish the folding of shallow joint with this.

SUMMERY OF THE UTILITY MODEL

In order to overcome foretell technical problem, the utility model aims to provide a shallow folding joint structure, make to rotate the post through rotating the hand (hold) and rotate 30 degrees angles and make slip post and movable sleeve separation, continue to rotate after that and rotate the post 180 degrees angles and make movable sleeve take the movable rod to rotate and expand, rotate this joint structure of 30 degrees unblocks and rotate the post once more and rotate 180 degrees angles angle area movable rod folding joint through rotating the post and be in the same place, realize coherent unblock and folding movable rod of carrying on, be favorable to improving the folding convenience of shallow joint structure.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a shallow folding joint structure, includes the fixing base, fixing base and sliding seat, the top surface of fixing base is fixed with fixed sleeve, the top surface of sliding seat is fixed with rotates the movable sleeve who is connected with fixed sleeve, fixed sleeve's inside wall sliding connection has the slip post, movable sleeve's inside rotation is connected with and is used for driving the sliding seat pivoted and rotates the post, be provided with the reset piece between movable sleeve and the rotation post, the reset piece includes the plectane that deviates from movable sleeve's one end fixed connection with fixed sleeve, one side of plectane is fixed with rotates the connecting axle of pegging graft with the rotation post, the reset spring with plectane fixed connection has been cup jointed in the outside of connecting axle, reset spring deviates from the plectane one end and slip post fixed connection, rotates the post through rotating the hand handle and rotates 30 degrees and makes slip post and move movable sleeve separation, continues to rotate after that the rotation rotates the post 180 degrees and make the movable sleeve take the movable rod to rotate the expansion again, through rotating the post and rotate this joint structure and rotate 180 degrees movable rod folding joint again and be in the same place, realize linking together, be favorable to improving the folding nature of joint structure.

Further, the method comprises the following steps: the bottom surface grafting of fixing base is fixed with the dead lever, the bottom surface grafting of sliding seat is fixed with the movable rod, and the dead lever is convenient for fix on the shallow, and the movable rod can be folded as required and accomodate or expand.

The method is further characterized in that: the utility model discloses a movable sleeve, including fixed sleeving, stopper two, stopper one and stopper two, the movable sleeve's inside wall is fixed with the stopper two that two symmetric distributions, two spacing grooves of symmetric distribution are seted up to the lateral wall of slip post, the stopper two respectively with corresponding position spacing groove sliding connection, the restriction movable sleeve rotates behind spacing groove and the two sliding connection of stopper, the spacing groove with a stopper sliding connection be convenient for the slip post remove the fixed sleeving the inside.

Further, the method comprises the following steps: arc blind hole has been seted up to movable sleeve's inside wall, the lateral wall of rotation post is fixed with the transmission piece with arc blind hole sliding connection, the one end of rotation post is fixed with the hand (hold), and this joint structure is at the unblock in-process, and the transmission piece slides in arc blind hole the inside, and after the unblock was accomplished, the transmission piece passed through arc blind hole area movable sleeve and rotates.

Further, the method comprises the following steps: the sliding column is close to the one end of movable sleeve and has been seted up two locking grooves, the one end that rotates the post and be close to the locking groove is fixed with the latch segment that pegs graft with the activity of corresponding position locking groove, and the locking groove realizes movable sleeve's rotation folding and movable sleeve rotates the rigidity after with the latch segment cooperation.

Further, the method comprises the following steps: the sliding column is provided with a circular groove at one end close to the return spring, and the inner side of the circular groove is fixedly connected with the end part of the corresponding position of the return spring, so that the return spring can drive the sliding column to move by utilizing the compression elastic force.

The method is further characterized in that: the connecting pipe is fixed at one end, close to the connecting shaft, of the rotating column, the connecting pipe is in rotating insertion connection with the connecting shaft, and a round hole convenient for the connecting shaft to penetrate through is formed in the middle of the sliding column, so that the rotating column can rotate stably on the joint structure.

The utility model has the advantages that:

1. the handle is rotated to enable the rotating column to rotate clockwise by 30 degrees, the locking block on the rotating column is moved out of the locking groove at the corresponding position, the sliding column slides towards the inside of the fixed sleeve under the extrusion pushing of the locking block, so that the limiting groove on the sliding column is separated from the limiting block II on the inner side of the movable sleeve, the rotating column continues to rotate clockwise by 180 degrees, the transmission block on the rotating column drives the movable sleeve to rotate 180 degrees synchronously by being clamped with the arc blind hole on the inner side of the movable sleeve, the movable sleeve drives the movable rod to rotate 180 degrees synchronously and is folded and accommodated on one side of the fixed rod, the joint structure is unlocked by rotating the rotating column by 30 degrees, the rotating column rotates 180 degrees again and drives the movable rod to be folded and combined together, the continuous unlocking and folding of the movable rod are realized, and the convenience for folding the joint structure of the trolley is improved;

2. the reset spring is fixed between the circular plate and the sliding column, the reset spring is in a compression state under the extrusion action of the sliding column in the folding and accommodating process of the movable rod due to the rotation of the movable sleeve, after the movable sleeve carries the movable rod to be folded and accommodated, the sliding column moves towards the movable sleeve under the elastic action of the reset spring, and the limit groove on the sliding column is inserted into the second limit block on the inner side of the movable sleeve, so that the movable sleeve is clamped and fixed by the sliding column after being folded, and the movable sleeve after being folded is prevented from driving the movable rod to rotate by itself;

3. through the handle under the state that fig. 3 shows of the reverse rotation description, the slip post removes again to the fixed sleeve inside under the promotion of latch segment after the handle anticlockwise rotation 30 degrees, realizes liberation joint structure, continues anticlockwise will rotate the post and rotate 180 degrees with the rotation post, will fold movable sleeve and movable rod rotation after back and forth and expand to realize realizing folding and the expansion of joint structure through reciprocating the rotation handle.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the structure of the utility model mounted on a cart

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a structural diagram illustrating the storage state of the present invention;

FIG. 4 is a schematic view of the fixing base, the fixing sleeve and the fixing rod of the present invention;

FIG. 5 is a schematic view of the structure of the middle movable seat, the movable sleeve and the movable rod of the present invention;

FIG. 6 is a schematic view of the movable sleeve and the rotary post of the present invention;

fig. 7 is a schematic view of the structure of the sliding column of the present invention;

fig. 8 is a schematic structural view of the rotating column and the reset member of the present invention;

fig. 9 is a schematic structural view of the middle fixing sleeve and the sliding column of the present invention.

In the figure: 100. a fixed seat; 110. fixing the sleeve; 111. a first limiting block; 112. a circular groove; 120. a fixing rod; 200. a movable seat; 210. an active cannula; 211. a second limiting block; 212. an arc-shaped blind hole; 220. a movable rod; 300. a sliding post; 310. a limiting groove; 320. a locking groove; 400. rotating the column; 410. a locking block; 420. a connecting pipe; 430. a transmission block; 500. a reset member; 510. a circular plate; 520. a connecting shaft; 530. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a folding joint structure of a stroller includes a fixed base 100, a fixed base 100 and a movable base 200, a fixed sleeve 110 is fixed on a top surface of the fixed base 100, a movable sleeve 210 rotatably connected to the fixed sleeve 110 is fixed on a top surface of the movable base 200, a sliding post 300 is slidably connected to an inner sidewall of the fixed sleeve 110, a rotating post 400 for driving the movable base 200 to rotate is rotatably connected to an inside of the movable sleeve 210, a reset member 500 is disposed between the movable sleeve 210 and the rotating post 400, the reset member 500 includes a circular plate 510 fixedly connected to an end of the fixed sleeve 110 away from the movable sleeve 210, a connecting shaft 520 rotatably connected to the rotating post 400 is fixed to one side of the circular plate 510, a reset spring 530 fixedly connected to the circular plate 510 is sleeved to an outside of the connecting shaft 520, an end of the reset spring 530 away from the circular plate 510 is fixedly connected to the sliding post 300, the rotating post 300 is separated from the movable sleeve 210 by rotating a handle by rotating the rotating post by 30 degrees, the rotating handle continues to rotate the rotating post 210 by 180 degrees to unfold the movable sleeve 220, unlocking joint structure is further to connect the rotating post 400 to the movable post 400 to facilitate folding joint structure, and improve the folding joint structure for folding of the stroller.

A fixed rod 120 is fixedly inserted into the bottom surface of the fixed seat 100, a movable rod 220 is fixedly inserted into the bottom surface of the movable seat 200, the fixed rod 120 is conveniently fixed on the cart, and the movable rod 220 can be folded, stored or unfolded as required; two first limit blocks 111 which are symmetrically distributed are fixed on the inner side wall of the fixed sleeve 110, two second limit blocks 211 which are symmetrically distributed are fixed on the inner side wall of the movable sleeve 210, two limit grooves 310 which are symmetrically distributed are formed in the outer side wall of the sliding column 300, the first limit blocks 111 and the second limit blocks 211 are respectively in sliding connection with the corresponding position limit grooves 310, the movable sleeve 210 is limited to rotate after the limit grooves 310 are in sliding connection with the second limit blocks 211, and the first limit blocks 111 are in sliding connection with the limit grooves 310 so that the sliding column 300 can move into the fixed sleeve 110; arc blind hole 212 has been seted up to the inside wall of movable sleeve 210, and the lateral wall of rotation post 400 is fixed with the driving block 430 with arc blind hole 212 sliding connection, and the one end of rotation post 400 is fixed with the hand (hold), and this joint structure is at the unblock in-process, and driving block 430 slides in arc blind hole 212, and after the unblock was accomplished, driving block 430 drives movable sleeve 210 through arc blind hole 212 and rotates.

Two locking grooves 320 are formed in one end, close to the movable sleeve 210, of the sliding column 300, a locking block 410 which is movably inserted into the locking groove 320 in a corresponding position is fixed at one end, close to the locking groove 320, of the rotating column 400, and the locking groove 320 and the locking block 410 are matched to achieve rotating and folding of the movable sleeve 210 and fixing of the position, after the movable sleeve 210 rotates, of the movable sleeve; one end of the sliding column 300 close to the return spring 530 is provided with a circular groove 112, and the inner side of the circular groove 112 is fixedly connected with the end part of the return spring 530 at the corresponding position, so that the return spring 530 can drive the sliding column 300 to move by utilizing the compression elastic force; the connecting pipe 420 is fixed at one end of the rotating column 400 close to the connecting shaft 520, the connecting pipe 420 is rotatably inserted into the connecting shaft 520, and a round hole which is convenient for the connecting shaft 520 to penetrate through is formed in the middle of the sliding column 300, so that the rotating column 400 can rotate stably on the joint structure.

The working principle is as follows: when the unfolded movable rod 220 needs to be rotatably accommodated at one side of the fixed rod 120, that is, when the state shown in fig. 2 of the specification is changed to the state shown in fig. 3 of the specification, the handle is rotated clockwise by 30 degrees to enable the rotating column 400 to rotate 30 degrees in the movable sleeve 210, the locking block 410 on the rotating column 400 is gradually moved out of one locking groove 320 (the locking groove 320 at the left end in fig. 7 of the specification) and abutted against the end surface of the sliding column 300, the sliding column 300 is moved towards the inside of the fixed sleeve 110 under the pushing of the locking block 410, at this time, the first limit block 111 on the fixed sleeve 110 slides in the limit groove 310 on the sliding column 300, the end surface of the sliding column 300 close to the circular plate 510 presses the return spring 530 to be in a compressed state, the limit groove 310 on the sliding column 300 is separated from the second limit block 211 on the movable sleeve 210, and does not limit the rotation of the movable sleeve 210 any more, and in the above process, the transmission block 430 on the rotating column 400 slides in the arc blind hole 212 at the inside of the movable sleeve 210 and contacts with the inner side of one end of the arc 212;

when the handle is rotated counterclockwise continuously, the rotating column rotates clockwise by 180 degrees, at this time, the two second limit blocks 211 on the movable sleeve 210 rotate against the end surfaces of the sliding column 300, the transmission block 430 drives the movable sleeve 210 to rotate clockwise by 180 degrees synchronously through the arc blind hole 212, so that the movable seat 200 on the movable sleeve 210 drives the movable rod 220 to rotate by 180 degrees (refer to the description figure 3), thereby realizing the rotating and folding of the movable rod 220, and when the rotating and folding are completed, the locking block 410 on the rotating column 400 rotates into the other locking groove 320 (the locking groove 320 at the right end in the description figure 7), the abutting of the locking block 410 is lost, the sliding column 300 moves towards the inside of the movable sleeve 210 under the elastic force of the return spring 530, and simultaneously the limit groove 310 on the sliding column 300 slides onto the second limit block 211 on the inner side of the movable sleeve 210 again, thereby limiting the rotation of the rotated movable sleeve 210, so as to realize the position fixing of the rotated and folded movable sleeve 210, when the folded movable rod 220 needs to be unfolded, the state shown in figure 3 is changed into the state shown in the description figure 2, the principle is the reverse rotation, and then the movable seat 200 is rotated by only the unlocking of the movable sleeve structure, and then the movable seat 200 is rotated counterclockwise, and the movable seat 200 is further realized, and the movable seat 200 is driven by the rotating and then the rotating and the movable seat.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a joint structure is folded to shallow, includes fixing base (100), its characterized in that, fixing base (100) and sliding seat (200), the top surface of fixing base (100) is fixed with adapter sleeve (110), the top surface of sliding seat (200) is fixed with rotates adapter sleeve (210) of being connected with adapter sleeve (110), the inside wall sliding connection of adapter sleeve (110) has slip post (300), the inside rotation of adapter sleeve (210) is connected with and is used for driving sliding seat (200) pivoted rotation post (400), be provided with reset piece (500) between adapter sleeve (210) and rotation post (400), reset piece (500) include with adapter sleeve (110) deviate from one end fixed connection's plectane (510) of activity sleeve (210), one side of plectane (510) is fixed with rotates connecting axle (520) of pegging graft, the outside of connecting axle (520) has cup jointed reset spring (530) with plectane (510) fixed connection, the one end and the slip post (300) fixed connection of reset spring (530) deviate from plectane (510).

2. The folding joint structure of a stroller according to claim 1, wherein a fixed rod (120) is fixed to the bottom surface of the fixed seat (100) in an inserting manner, and a movable rod (220) is fixed to the bottom surface of the movable seat (200) in an inserting manner.

3. The folding joint structure of the stroller according to claim 1, wherein two first limiting blocks (111) are fixed to the inner side wall of the fixed sleeve (110) and are symmetrically distributed, two second limiting blocks (211) are fixed to the inner side wall of the movable sleeve (210), two limiting grooves (310) are formed in the outer side wall of the sliding column (300) and are symmetrically distributed, and the first limiting blocks (111) and the second limiting blocks (211) are slidably connected with the corresponding limiting grooves (310) respectively.

4. The foldable joint structure of a stroller according to claim 1, wherein an arc-shaped blind hole (212) is formed in an inner side wall of the movable sleeve (210), a transmission block (430) slidably connected with the arc-shaped blind hole (212) is fixed on an outer side wall of the rotating post (400), and a handle is fixed at one end of the rotating post (400).

5. The folding joint structure of the stroller according to claim 1, wherein two locking grooves (320) are formed at one end of the sliding column (300) close to the movable sleeve (210), and a locking block (410) movably inserted into the locking groove (320) at a corresponding position is fixed at one end of the rotating column (400) close to the locking groove (320).

6. The folding joint structure of a stroller according to claim 1, characterized in that a circular groove (112) is formed at one end of the sliding column (300) near the return spring (530), and the inner side of the circular groove (112) is fixedly connected with the end of the return spring (530) at the corresponding position.

7. The folding joint structure of a stroller according to claim 1, wherein a connecting tube (420) is fixed at one end of the rotating column (400) close to the connecting shaft (520), the connecting tube (420) is rotatably inserted into the connecting shaft (520), and a circular hole for the connecting shaft (520) to pass through is formed in the middle of the sliding column (300).