CN218863075U

CN218863075U - Quick-dismantling folding structure

Info

Publication number: CN218863075U
Application number: CN202223571570.5U
Authority: CN
Inventors: 廖学金
Original assignee: HL Corp Shenzhen Co Ltd
Current assignee: HL Corp Shenzhen Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-14
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to a quick detach formula beta structure, it includes a first conjunction, a second conjunction and a seat bundle, this first conjunction can be the relative concatenation form of axis or the crossing folding form of axis with this second conjunction, and this seat bundle can be selectively slided and locate the pin joint department between this first, two conjunction, this seat bundle has a fluting, and this fluting both sides have a clamping jaw that can be closed relatively, and a pull rod has been worn to put between the clamping jaw of this both sides, this pull rod other end pivot is equipped with one and pulls the pressure handle, this pull the pressure handle has a cam portion that can support and press this clamping jaw relatively, make this pressure handle usable this cam portion with this pull rod selectivity pull this seat bundle relative clamping jaw, like this, make this seat bundle of optional first, two conjunction produce the binding effect relatively, and can improve its clamping force, not only can reduce maintenance chance and cost, and can improve the security of use, it can single-hand operation when recombining simultaneously, can effectively promote the convenience of operation.

Description

Quick-dismantling type folding structure

Technical Field

The utility model relates to a quick detach formula beta structure mainly is applied to folding technical field.

Background

When the article is designed, designers often need to consider more about the folding function which can reduce the volume and occupy no space to facilitate storage when the article is not used in normal times. The existing folding structure is mainly used for reducing the length or the volume of the original mechanism so as to conveniently reduce the occupation ratio of the folding structure in the unused state, and is convenient to store and transport, and the folding structure is most frequently applied to occasions such as bicycle frames, vertical tubes or scooters. Such as folding and folding structure of scooter or bicycle in Taiwan patent Nos. M493984, M542499 and M611858;

although the above-mentioned patent structure case has been achieved to have the function of folding, the common folding structure mainly passes through a shaft rod to penetrate through the joint between two rod members, and then the fixing member is utilized to position the two rod members, and the two rod members and the folding structure have accumulated tolerance caused in the production, so that after the combination, the accumulated tolerance can cause the shaking of the components, which affects the stability of the whole, and in fact, the structure of part of the design is quite complex, and the operation is quite cumbersome, besides adding the manufacturing cost of the producer, the excessively complex design structure can also increase the probability of generating more faults and needing to be repaired.

In other words, the conventional folding structure is affected by the aforementioned factors such as easy shaking and complex structure, and has the problems of insufficient fastening performance, easy damage, inconvenient operation and high cost, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: provides a quick-release folding structure, which overcomes the inconvenience and puzzlement caused by complex structure and insufficient fastening property in the prior art and realizes the improvement of the folding technical structure.

In order to solve the technical problem, the utility model adopts the following technical scheme: a quick-release folding structure comprises a first combining piece, a second combining piece and a seat beam; the first combination piece is provided with a convex connecting block; the second combining piece is provided with a concave connecting groove for the relative pin joint of the convex connecting block, so that the pin joint position of the convex connecting block and the concave connecting groove of the first combining piece can be selectively in a serial connection shape with the axis opposite to the second combining piece or a folding shape with the intersecting axis; the seat bundle is provided with an axial mounting hole which is slidably arranged between the first combining piece and the second combining piece, the mounting hole is provided with a slot which penetrates through in the radial direction, two sides of the slot are respectively provided with an opposite clamping jaw in a protruding mode, a pull rod penetrates between the clamping jaws at the two sides, the pull rod is pivoted with a wrenching and pressing handle at the other end different from the clamping jaw, the wrenching and pressing handle is provided with a cam part which can relatively press the clamping jaw, so that the wrenching and pressing handle can selectively clamp the clamping jaw opposite to the seat bundle by utilizing the cam part and the pull rod, and the seat bundle can selectively generate a bundling effect relative to the first combining piece and the second combining piece.

Preferably, the first and second connectors have a first and second mounting rod sections for the seat bundle to slide, the male connection block and the female connection groove are formed at opposite ends of the first and second mounting rod sections, and the first and second mounting rod sections have a limiting stop edge formed at outer edges of the other ends thereof for limiting a sliding stroke of the seat bundle.

Preferably, the convex connecting block of the first combining member and the concave connecting groove of the second combining member have opposite axle holes respectively, and a shaft rod is used for passing through and pivoting the opposite axle holes.

Preferably, a lock hole communicating with the shaft hole is formed on the outer edge of the first combining member corresponding to the convex connecting block, and a ring groove corresponding to the lock hole is formed in the middle section of the shaft lever of the second combining member for locking and limiting the position of the shaft lever.

Preferably, the locking hole and the locking rod may be selected from a screw hole and a tightening bolt.

Preferably, the first coupling member has a fixing hole formed at an outer edge adjacent to the protruding block, the fixing hole is provided with a positioning pin, and the slot of the seat bundle corresponds to the positioning pin to limit the seat bundle from being rotated arbitrarily when sliding up and down.

Preferably, the clamping jaws at two sides of the slot of the seat bundle are provided with two through holes with the same axis at the upper part and the lower part, a pull rod is respectively penetrated through the through holes, and the clamping jaws at two sides are respectively provided with a relative cutting groove between the adjacent through holes so as to increase the deformation amount of clamping pressure.

Preferably, two ends of the pull rod are respectively provided with a threaded section, and one end of the pull rod penetrating through the clamping jaw at one side is provided with an adjusting nut in a threaded manner for adjusting the clamping force of the pull rod.

Preferably, the cam portion of the wrenching handle has a slot portion for the pull rod to penetrate through, and the cam portion additionally forms a pivot hole having an axis passing through the slot portion for respectively pivoting by a pivot block having a radial screw hole, so that the pull rod can be screwed to the opposite pivot block by using a threaded section at the other end different from the clamping jaw, and the wrenching handle can be wrenched with respect to the pull rod.

Preferably, an arc-shaped gasket is arranged between the jaw and the wrenching and pressing handle through the pull rod, so that abrasion between the wrenching and pressing handle and the opposite jaw can be reduced.

The utility model has the advantages that: through the exhibition of the above technical means, the seat bundle is arranged at the pin joint of the first and second combining parts, and the seat bundle can be quickly contracted or released by the pulling and pressing handle, so that the first and second combining parts can be selectively in a serial connection shape with opposite axes or a folding shape with intersecting axes, thereby effectively simplifying the structure, simultaneously improving the fastening force, not only reducing the maintenance chance and the cost, but also improving the use safety.

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

Drawings

Fig. 1 is a schematic perspective view of the quick release type folding structure.

Fig. 2 is a schematic exploded perspective view of the quick release folding structure of the present invention.

Fig. 3 is a schematic perspective view of the quick release type folding structure of the present creation after folding.

Detailed Description

As shown in fig. 1 and fig. 2, the present invention is a quick-release folding structure, which is composed of a first engaging member 10, a second engaging member 20 and a seat bundle 30, wherein the first engaging member 10 and the second engaging member 20 can be selectively axially connected in series or folded relatively by the seat bundle 30;

the first connecting member 10 has a first mounting rod section 11, and one end of the first mounting rod section 11 corresponding to the second connecting member 20 is protruded with a convex connecting block 12, one side of the convex connecting block 12 has a shaft hole 13 for the second connecting member 20 to be pivoted, the outer edge of the first mounting rod section 11 is formed with a lock hole 14 communicating with the shaft hole 13 corresponding to the convex connecting block 12 for locking a lock rod 15, the lock hole 14 and the lock rod 15 can be selected from a screw hole and a packing bolt, furthermore, the outer edge of the first mounting rod section 11 adjacent to the convex connecting block 12 is formed with a fixing hole 16 whose axis is parallel to the shaft hole 13, the fixing hole 16 can be provided with a positioning pin 18 for limiting the rotation of the seat beam 30, and the outer edge of the first mounting rod section 11 adjacent to the top end is formed with a limit stop edge 19 for limiting the upward sliding stroke of the seat beam 30;

the second joint member 20 has a second mounting rod section 21 with the same diameter as the first mounting rod section 11, and the second mounting rod section 21 has a female connecting groove 22 formed at one end corresponding to the first joint member 10 and having two lateral outer edges penetrating therethrough for the male connecting block 12 of the first joint member 10 to be relatively engaged, the second mounting rod section 21 has a shaft hole 23 formed at one lateral outer edge penetrating through the female connecting groove 22 so as to use a shaft rod 24 to penetrate through the shaft holes (13, 23) of the first and second mounting rod sections (11, 21) to make the first joint member 10 and the second joint member 20 selectively present a serial connection shape (as shown in fig. 1) with opposite axes or a folding shape (as shown in fig. 3) with intersecting axes, the middle section of the shaft rod 24 has a ring groove 25 formed at the middle section corresponding to the male connecting block 12 for the locking rod 15 to selectively press and limit the position to avoid the first joint member 24 from arbitrarily coming off, and the second mounting rod section 21 has a limit stop edge 29 formed at the outer edge adjacent to the bottom end to limit the shaft rod 30 to slide downward movement of the seat;

furthermore, the seat bundle 30 has an axially through mounting hole 31, and the mounting hole 31 has a radially through slot 310 capable of generating a binding effect, such that the seat bundle 30 can be annularly disposed on the outer edges of the first and second mounting rod sections (11, 21) of the first and second combining members (10, 20), and can slide up and down corresponding to the pivot joint of the male connecting block 12 and the female connecting slot 22 (as shown in fig. 1) or completely separate from the pivot joint (as shown in fig. 3), and the slot 310 of the seat bundle 30 corresponds to the positioning pin 18 of the first combining member 10, such that the seat bundle 30 cannot be arbitrarily rotated when sliding up and down, the seat bundle 30 has an opposite jaw 32 protruding from both sides of the slot 310, and the jaws 32 on both sides have at least one opposite through hole 320, which the present invention uses two through holes 320 with the same axis as the main embodiment, the jaws 32 on both sides have a relative slot 321 between the adjacent through holes 320 respectively to increase the deformation amount of the clamping, and the through holes 320 of the jaws 32 on both sides are respectively penetrated with a pull rod 33, and both ends of the pull rod 33 are respectively provided with a threaded section 330, one end of the pull rod 33 penetrating the jaw 32 on one side is screwed with an adjusting nut 34 for adjusting the clamping force, the other end of the pull rod 33 is provided with a pressing handle 35, and the pressing handle 35 is provided with a cam section 36 capable of pressing against the jaw 32 of the seat bundle 30, the cam section 36 is provided with a slotted section 360 for the pull rod 33 to penetrate, and the cam section 36 is further provided with a pivot hole 361 having an axis penetrating the slotted section 360 for being respectively pivoted by a pivot block 37 having a radial screw hole 370, so that the pull rod 33 can be screwed on the relative pivot block 37 by the threaded section 330 on the other end, the wrenching handle 35 can be wrenched with respect to the pull rod 33, and an arc-shaped gasket 38, such as a copper sheet, is inserted into the pull rod 33 between the clamping jaw 32 and the cam portion 36 of the wrenching handle 35, so as to reduce the wear between the wrenching handle 35 and the clamping jaw 32, thereby forming a quick-release folding structure with good fastening force and convenient operation.

Through the foregoing structural design, in practical application, as shown in fig. 1, 2 and 3, in operation, when the pressing handle 35 is lifted, the cam portion 36 no longer presses against the jaws 32 of the seat bundle 30, but the jaws 32 on both sides of the seat bundle 30 can be released, so that the seat bundle 30 no longer tightly embraces the first and second mounting rod segments (11, 21) of the first and second connecting members (10, 20), so that the seat bundle (30) can be moved to the pivot joint (shown in fig. 3) where the first mounting rod segment 11 is completely separated from the male connecting block 12 and the female connecting groove 22, and thus the first connecting member 10 and the male connecting block 12 are folded in an intersecting manner with respect to the female connecting groove 22 of the second connecting member 20, which can be conveniently folded to reduce length or occupy volume for storage or transportation;

when the first and second connecting members (10, 20) need to be connected in series and unfolded for use, the first connecting member 10 is pivoted relative to the second connecting member 20 to make the axes of the first and second mounting rod sections (11, 21) of the two connecting members opposite to each other, and at this time, the harness 30 can be moved downward by its own weight or manually to the overlapped and pivoted positions of the male connecting blocks 12 and the female connecting grooves 22 of the first and second mounting rod sections (11, 21), and the user only needs to press down the wrench handle 35 to make the cam portions 36 of the wrench handle 35 press against the opposite jaws 32 of the harness 30, so that the harness 30 can be further tightened and clasped to the first and second mounting rod sections (11, 21) of the first and second connecting members (10, 20), so that the male connecting blocks 12 and the female connecting grooves 22 of the two connecting members cannot be rotated, thereby achieving the purpose of assembling the first and second connecting members (10, 20) in series, and when the fastening force of the harness 30 is loosened, the tightening force of the fastening block 12 and the nut can be adjusted to change the tightening force and effectively lift the tightening and the tightening force of the tightening nut 34.

As can be seen from the above description, the quick-release folding structure of the present invention utilizes the pivot joint of the first and second connecting members (10, 20) to arrange the seat bundle 30, and the seat bundle 30 can be quickly contracted or released by the pressing and pulling handle 35, so that the first and second connecting members (10, 20) can be selectively in the serial connection with opposite axes or in the folding and contracting state with intersecting axes, thereby effectively simplifying the structure, and simultaneously improving the fastening force, not only reducing the maintenance chance and cost, but also improving the safety of use, and meanwhile, when the structure is recombined, the structure can be operated by one hand, thereby effectively improving the convenience of operation and greatly improving the practicability.

Claims

1. A quick-release folding structure comprises a first combining piece, a second combining piece and a seat beam; the method is characterized in that: the first combination piece is provided with a convex connecting block; the second combining piece is provided with a concave connecting groove for the relative pin joint of the convex connecting block, so that the pin joint position of the convex connecting block and the concave connecting groove of the first combining piece can be selectively in a serial connection shape with the axis opposite to the second combining piece or a folding shape with the intersecting axis; the seat bundle is provided with an axial mounting hole which is slidably arranged between the first combining piece and the second combining piece, the mounting hole is provided with a slot which penetrates through in the radial direction, two sides of the slot are respectively provided with an opposite clamping jaw in a protruding mode, a pull rod penetrates between the clamping jaws at the two sides, the pull rod is pivoted with a wrenching and pressing handle at the other end different from the clamping jaw, the wrenching and pressing handle is provided with a cam part which can relatively press the clamping jaw, so that the wrenching and pressing handle can selectively clamp the clamping jaw opposite to the seat bundle by utilizing the cam part and the pull rod, and the seat bundle can selectively generate a bundling effect relative to the first combining piece and the second combining piece.

2. The quick release folding structure of claim 1, characterized in that: the first and second connectors are respectively provided with a first and second mounting rod sections for the seat beam to slide, the convex connection block and the concave connection groove are respectively formed at the opposite ends of the first and second mounting rod sections, and the outer edges of the other ends of the first and second mounting rod sections are respectively provided with a limit stop edge for limiting the sliding stroke of the seat beam.

3. The quick release folding structure of claim 2, characterized in that: the convex connecting block of the first combining piece and the concave connecting groove of the second combining piece are respectively provided with opposite shaft holes for a shaft lever to penetrate through and pivot the opposite shaft holes.

4. The quick release folding structure of claim 3, characterized in that: the outer edge of the first combining piece is provided with a lock hole communicated with the shaft hole corresponding to the convex connecting block, and the middle section of the shaft lever of the second combining piece is provided with a ring groove corresponding to the lock hole for locking and limiting the position of the shaft lever.

5. The quick release folding structure of claim 4, characterized in that: the lock hole and the lock rod can be selected from a screw hole and a tightening bolt.

6. The quick release folding structure of claim 1, characterized in that: the first combining piece is provided with a fixing hole at the outer edge adjacent to the convex connecting block, the fixing hole can be provided with a positioning pin, and the groove of the seat bundle corresponds to the positioning pin so as to limit the seat bundle not to be rotated randomly when the seat bundle slides up and down.

7. The quick release folding structure of claim 1, characterized in that: the clamping jaws on two sides of the seat bundle slot are provided with two through holes with the same axis at the upper part and the lower part, a pull rod is respectively penetrated through the through holes, and the clamping jaws on the two sides are respectively provided with a relative cutting groove between the adjacent through holes so as to increase the deformation amount of clamping pressure.

8. The quick release folding structure of claim 7, characterized in that: the two ends of the pull rod are respectively provided with a thread section, and one end of the pull rod penetrating through the clamping jaw at one side is provided with an adjusting nut in a threaded manner for adjusting the clamping force of the pull rod.

9. The quick release folding structure of claim 8, characterized in that: the cam part of the wrenching and pressing handle is provided with a slotted part for the pull rod to penetrate through, and the cam part is additionally provided with a pivot hole with an axis penetrating through the slotted part for respectively pivoting by utilizing a pivot block with a radial screw hole, so that the pull rod can be screwed on the opposite pivot block by utilizing a threaded section at the other end different from the clamping jaw, and the wrenching and pressing handle can be wrenched relative to the pull rod.

10. The quick release folding structure of claim 9, characterized in that: an arc gasket is arranged between the clamping jaw and the wrenching and pressing handle in the pull rod in a penetrating way, so that the abrasion between the wrenching and pressing handle and the opposite clamping jaw can be reduced.