TWM641761U - Quick-release folding structure - Google Patents

Abstract

The invention relates to a quick-detachable folding structure, which includes a first coupling part, a second coupling part and a bundle. The first coupling part and the second coupling part can be selectively connected in series or axially opposite to each other. Intersecting folding shape, and the seat beam can be selectively slid on the pivot joint between the first and second joints or not, and the seat beam has a slot, and the slot has two sides that can be opposite to each other. The clamping jaws are constricted, and a pull rod is inserted between the jaws on both sides, and a pulling handle is pivoted at the other end of the pulling rods. The pulling handle has a cam portion that can relatively press the jaws, so that the The pulling handle can use the cam portion and the pull rods to selectively press the jaws opposite to the seat beam, so that the seat beam can selectively produce a converging effect relative to the first and second coupling parts, thereby improving the performance of the seat beam. The fastening force can not only reduce maintenance opportunities and costs, but also improve the safety of use. At the same time, it can be operated with one hand when recombining, which can effectively improve the convenience of operation.

Description

Quick-release folding structure

This creation belongs to the technical field of a folding mechanism, specifically a quick-detachable folding structure with a simple structure, so as to improve its gripping force and facilitate the user's operation to achieve the purpose of improving safety and convenience.

By the way, in today's environment where every inch of land is very expensive, when designing items, designers often need to pay more attention to when the items are not in use, and design a folding function that can reduce the size, do not take up space, and facilitate storage. The existing folding structure is mainly used to reduce the length or volume of the original mechanism, so as to reduce its proportion when not in use, and facilitate storage and transportation. Its most commonly used occasions are bicycle frames, vertical pipes or skateboards. car etc. Such as Chinese patents No. M493984, No. M542499, No. M632868, No. M626846 and No. M611858 of the folding and folding structure of scooters or bicycles;

Although these previous patents can achieve the function of folding and folding, the common folding structure mainly uses a shaft to pass through the joint between the two rods, and then uses the fixing part to position the two rods. The two rods and the folded structure have accumulated tolerances caused by production. After the combination, the accumulated tolerances will cause the components to shake and affect the overall stability. In practice, some of the designed structures are quite large and complex. Operation It is very cumbersome. In addition to increasing the manufacturing cost of the manufacturer, the overly complex design structure also has more chances of faults and needs to be repaired.

In other words, the existing folding structure is affected by the aforementioned factors such as easy shaking and complex structure, and there are problems of insufficient fastening, easy damage, inconvenient operation and high cost. Therefore, the existing folding structure has room for improvement, which is also the creation of this paper. The topic to be discussed.

In view of the disadvantages and needs of the above-mentioned folding structure, the author believes that it is necessary to make further corrections, so he uses his years of experience in related technologies and product design and manufacturing to research and create the above defects, and actively seeks solutions. , after continuous efforts in research and trial production, a quick-release folding structure was finally successfully developed to overcome the inconvenience and troubles caused by the complex structure and insufficient fastening.

Therefore, the main purpose of this creation is to provide a quick-detachable folding structure, which can effectively simplify the structure, and at the same time improve its fastening force, which not only reduces maintenance opportunities and costs, but also can only be lifted when the seat beam slides. Folding can improve the safety of use.

In addition, the second main purpose of this creation is to provide a quick-detachable folding structure, which can be operated with one hand when the seat beam automatically falls and rejoins due to gravity, which can effectively improve the convenience of operation.

For this reason, this creation mainly uses the following technical means to realize the above-mentioned purpose and performance, which includes:

a first coupling piece, which has a protruding block;

A second joint piece, which has a concave joint groove for the relative pivot connection of the convex joint block, so that the first joint piece can selectively relative to the second joint piece at the pivot joint between the convex joint block and the concave joint groove In a series shape with opposite axes or in a folded shape with intersecting axes; and

A bundle, which has an axial installation hole slidably arranged between the first and second coupling parts, the installation hole has a slot radially penetrating through it, and a corresponding clamping jaw protrudes from both sides of the slot, A pull rod is interposed between the jaws on both sides, and a pulling handle is pivoted at the other end of the pull rod. The pulling handle has a cam portion that can relatively press the jaws, so that the pulling handle can use the cam Selectively press the clamping jaw opposite to the seat beam with the pull rod, so that the seat beam can selectively produce a converging effect relative to the first and second coupling parts.

Through the specific realization of the aforementioned technical means, the quick-detachable folding structure of this creation utilizes the pivot joints of the first and second joints to set the seat harness, and the seat harness can be quickly retracted or released by using the pull handle Design, so that the first and second joints can be selectively connected in series with opposite axes or folded with intersecting axes, so that the structure can be effectively simplified, and at the same time, its fastening force can be improved, which can not only reduce the chance of maintenance and cost, and can improve the safety of use. At the same time, it can be operated with one hand when it is recombined, which can effectively improve the convenience of operation, greatly increase its practicability, and further increase its added value and economic benefits.

And this creation uses the following technical means to further achieve the aforementioned purpose and effect; it includes:

The first and second coupling parts respectively have a first and a second installation rod section for the seat beam to slide, and the convex block and the concave joint groove are respectively formed on the opposite ends of the first and second installation rod sections In addition, the first and second mounting rod sections are respectively formed with a limit stop edge on the outer edges of the two ends to limit the sliding stroke of the seat beam.

The convex joint block of the first coupling piece and the concave joint groove of the second coupling piece respectively have opposite shaft holes for pivoting through the opposite shaft holes by means of a shaft rod.

The outer edge of the first coupling part is formed with a locking hole communicating with the shaft hole on the corresponding projection block, and the middle section of the shaft rod of the second coupling part is formed with a ring groove corresponding to the locking hole for A locking bar lock sets to limit the position of the shaft.

The lock hole and the lock rod can be selected from screw holes and tightening bolts.

The first coupling piece is formed with a fixing hole adjacent to the outer edge of the protruding block, the fixing hole can be provided with a positioning pin, and the slot of the seat beam corresponds to the positioning pin, so as to limit the seat beam on the upper , When sliding down, it will not be rotated arbitrarily.

The jaws on both sides of the seat beam slot have two upper and lower coaxial perforations, and are respectively pierced with a tie rod, and the jaws on both sides have a corresponding slit between adjacent perforations, In order to increase the deformation of its clamping pressure.

The two ends of the pull rods are respectively provided with a threaded segment, and the end of the pull rods passing through the jaw on one side is screwed with an adjusting nut for adjusting the clamping force.

The cam portion of the pulling handle has a slot for the pull rods to penetrate, and the cam portion is further formed with a pivot hole with an axis passing through the slots, for respectively using a pivot hole with a radial screw hole. The shaft block is pivotally arranged, so that the above-mentioned pull rods can be screwed on the opposite pivot block by using the threaded section at the other end, so that the pulling handle can be turned relative to the pull rods.

The pull rod is provided with an arc-shaped gasket between the clamping jaw and the wrenching handle, which can reduce wear between the wrenching handle and the opposing clamping jaw.

In order to enable your review committee to further understand the composition, characteristics and other purposes of this creation, the following is a preferred embodiment, and it will be described in detail with the drawings, and at the same time, it will be able to be implemented by those familiar with the technical field.

This creation is a quick-detachable folding structure. The accompanying drawings illustrate the specific embodiment of this creation and its components, all references to front and back, left and right, top and bottom, upper and lower, and horizontal and vertical, It is used for convenience of description only, and does not limit the invention, nor its components, to any position or orientation in space. The dimensions specified in the drawings and instructions can be changed according to the design and requirements of the specific embodiment of this creation without departing from the patent scope of this creation, so the patent application is not restricted by this structure. limit.

And the composition of this creation is as shown in the first and second figures, which is composed of a first combination part (10), a second combination part (20) and a beam (30), wherein the first combination part (10) The seat beam (30) can be selectively connected in series or relatively folded with the second coupling member (20);

The aforementioned first coupling piece (10) has a first installation rod segment (11), and the first installation rod segment (11) protrudes a protruding block (12) from one end of the second coupling piece (20), One side of the protruding block (12) has a shaft hole (13) for pivoting relative to the second coupling piece (20), and the outer edge of the first installation rod section (11) is on the corresponding protruding block ( 12) A lock hole (14) connected to the shaft hole (13) is formed on the top for a lock rod (15) to be locked. The lock hole (14) and the lock rod (15) can be selected from screw holes and forced Tighten the bolts, and the first mounting rod segment (11) forms a fixing hole (16) whose axis is parallel to the shaft hole (13) adjacent to the outer edge of the convex block (12), and the fixing hole (16) A positioning pin (18) can be provided to limit the rotation of the seat beam (30), and the first mounting rod section (11) is formed with a limit stop edge (19) adjacent to the outer edge of the top end to limit the rotation of the seat beam (30). The upward sliding stroke of the seat beam (30);

The aforementioned second joint (20) has a second installation pole (21) with the same diameter as the first installation pole (11), and the second installation pole (21) corresponds to the first joint (10) One end is formed with a recessed joint groove (22) through which the outer edges of both sides pass through, for the convex joint block (12) of the first joint (10) to be relatively embedded, and the second installation rod segment (21) is placed on the The outer edge of one side is formed with a shaft hole (23) passing through the concave joint groove (22), so as to use a shaft rod (24) to pass through the shaft holes (13, 23) of the first and second mounting rod sections (11, 21) ), so that the first coupling part (10) and the second coupling part (20) can be selectively connected in series with the axes opposite (as shown in the first figure) or folded with the axes intersecting (as shown in the third figure As shown), the middle section of the shaft rod (24) is formed with a ring groove (25) corresponding to the locking hole (14) of the convex block (12), for the locking rod (15) to selectively tighten the limit In order to prevent the axle rod (24) from coming out arbitrarily, and the second mounting rod section (21) is formed with a limit stop edge (29) near the outer edge of the bottom end, so as to limit the direction of the seat beam (30) Lower sliding stroke;

Furthermore, the seat bundle (30) has an axially penetrating installation hole (31), and the installation hole (31) has a radially penetrating slot (310) that can produce a converging effect, so that the seat The beam (30) can be arranged around the outer edges of the first and second mounting rod sections (11, 21) of the first and second joints (10, 20), and can slide up and down corresponding to the convex block (12 ) and the concave joint groove (22) (as shown in the first figure) or completely away from the pivotal position (as shown in the third figure), and the slot (310) of the seat beam (30) ) corresponds to the positioning pin (18) of the first joint (10), so that the seat beam (30) will not be rotated arbitrarily when sliding up and down, and the seat beam (30) is in the slot (310) A relative jaw (32) protrudes from both sides, and the jaws (32) on both sides have at least one relative perforation (320). In this creation, two upper and lower coaxial perforations (320) are used as the The main embodiment, and the jaws (32) on both sides have a corresponding split groove (321) between adjacent perforations (320) to increase the amount of deformation of the clamping pressure, and the jaws on both sides The perforations (320) of (32) are respectively pierced with a pull rod (33), and the two ends of the pull rods (33) have a threaded section (330) respectively, and the pull rods (33) pass through the side One end screw of the jaw (32) is provided with an adjusting nut (34) for adjusting its clamping force, and the other end of the pull rods (33) is provided with a pulling handle (35), and the pulling handle (35) ) has a cam portion (36) that can press the jaw (32) of the seat beam (30), and the cam portion (36) has a slotted portion (360) for the pull rods (33) to penetrate, and The cam portion (36) is formed with a pivot hole (361) whose axis runs through the slotted portions (360) in addition, for respectively utilizing a pivot block (37) with a radial screw hole (370) to pivot, The pull rods (33) can be screwed on the opposite pivot block (37) by using the threaded section (330) at the other end, so that the pulling handle (35) can be turned relative to the pull rods (33). The pull rod (33) is provided with an arc gasket (38) between the clamping jaw (32) and the cam portion (36) of the pulling handle (35), such as a copper sheet, which can reduce the pressure of the pulling handle (35). ) and the relative wear between the jaws (32);

In this way, a quick-detachable folding structure with good fastening force and convenient operation is formed.

Through the above-mentioned structural design, when this creation is used in practice, it is as disclosed in the first, second and third figures. In operation, when the pulling handle (35) is pulled up, the cam portion (36) The jaws (32) of the seat beam (30) are no longer pressed, and the jaws (32) on both sides of the seat beam (30) can be released, so that the seat beam (30) no longer tightens and hugs the seat beam (30). 1. The first and second installation rod sections (11, 21) of the second combination piece (10, 20), so that the seat beam (30) can be moved to the first installation rod section (11) to completely break away from the protrusion The pivot joint between the block (12) and the concave joint groove (22) (as shown in the third figure), so that the first joint (10) can be opposed to the second joint by the convex joint (12) The recessed grooves (22) of (20) are in an intersecting folding shape, which can be easily folded to reduce the length or occupy an area, so as to facilitate storage or transportation;

When the first and second coupling parts (10, 20) need to be connected in series and deployed, the first coupling part (10) is pivoted relative to the second coupling part (20) so that the first coupling part (20) of the two . The axes of the two installation rod sections (11, 21) are opposite to each other. At this time, the seat beam (30) will use its own weight or manually move down to the convex joint block (12) of the first and second installation rod sections (11, 21). ) and the recessed joint groove (22), the user only needs to press down the pull handle (35), and the cam portion (36) of the pull handle (35) can be pressed against the seat beam (30) opposite jaws (32), so that the seat beam (30) can further tighten the first and second mounting rod sections (11, 21) of the first and second coupling parts (10, 20), The protrusion block (12) and the concave joint groove (22) of the two cannot be rotated, so as to achieve the purpose of completing the assembly and connecting the first and second joint parts (10, 20) in series, and when the seat beam (30) When the tightening force of the pull rods (33) is likely to be loose, the tightening force can be changed by adjusting the adjusting nuts (34) of the pull rods (33), which can effectively improve and prolong the tightening effect.

It can be seen from the above description that the quick-detachable folding structure of this invention utilizes the pivot joints of the first and second joints (10, 20) to set the seat beam (30), and the seat beam (30) can utilize the Pulling the handle (35) to quickly constrict or release the design, so that the first and second joints (10, 20) can be selectively connected in series with opposite axes or folded with intersecting axes, so as to be able to It effectively simplifies the structure and improves its fastening force at the same time, which not only reduces maintenance opportunities and costs, but also improves the safety of use. At the same time, it can be operated with one hand when recombined, which can effectively improve the convenience of operation and greatly improve its practicality.

In summary, it can be understood that this creation is a new creation with excellent creativity. In addition to effectively solving the problems faced by practitioners, it also greatly improves the efficacy, and there is no identical or similar product creation in the same technical field. Or open use, and at the same time have the enhancement of efficacy, so this creation has met the requirements of "novelty" and "progressiveness" of a new patent, and an application for a new patent is filed according to law.

10: The first combination 11: The first installation rod section 12: bump block 13: shaft hole 14: Keyhole 15:Lock lever 16: Fixing hole 18: Locating pin 19: limit retaining edge 20: The second combination 21: The second installation rod section 22: Recessed groove 23: shaft hole 24: Shaft 25: ring groove 29: limit retaining edge 30: seat beam 31: Mounting hole 310: slotting 32: jaw 320: perforation 321: Grooving 33: pull rod 330: thread segment 34: Adjusting nut 35: pull handle 36: cam part 360: slotting part 361: pivot hole 37: Pivot Block 370: radial screw hole 38: Arc gasket

Figure 1: A schematic diagram of the three-dimensional appearance of the quick-release folding structure created by this book.

The second picture: a three-dimensional exploded schematic diagram of the quick-release folding structure created by this book, for explaining its components and their relative relationships.

The third picture is a schematic diagram of the three-dimensional appearance of the quick-release folding structure of this creation, which is used to illustrate its appearance when it is folded.

10: The first combination

11: The first installation rod section

12: bump block

18: Locating pin

19: limit retaining edge

20: The second combination

21: The second installation rod section

22: Recessed groove

29: limit retaining edge

30: seat beam

32: jaw

321: Grooving

33: pull rod

34: Adjusting nut

35: pull handle

36: cam part

Claims (10)

A quick-release folding structure, which includes: a first coupling piece, which has a protruding block; A second joint piece, which has a concave joint groove for the relative pivot connection of the convex joint block, so that the first joint piece can be selectively formed relative to the second joint piece at the pivot joint between the convex joint block and the concave joint groove A concatenated shape with opposite axes or a folded shape with intersecting axes; and A bundle, which has an axial installation hole slidably arranged between the first and second coupling parts, the installation hole has a slot radially penetrating through it, and a corresponding clamping jaw protrudes from both sides of the slot, A pull rod is interposed between the jaws on both sides, and a pulling handle is pivotally provided at one end of the pulling rod different from the jaw. The pulling handle has a cam portion that can relatively press the jaw, so that the pulling handle The cam portion and the pull rod can be used to selectively press the clamping jaws opposite to the seat beam, so that the seat beam can selectively produce a constricting effect relative to the first and second coupling parts. The quick-detachable folding structure as described in claim 1, wherein the first and second coupling parts respectively have a first and a second installation bar section for the seat beam to slide, and the convex joint block and the concave joint groove respectively form At the opposite ends of the first and second mounting rod sections, a limit stop edge for limiting the sliding travel of the seat beam is formed on the outer edges of the opposite ends of the first and second mounting rod sections. The quick-detachable folding structure as described in claim 1 or 2, wherein the convex joint block of the first coupling part and the concave joint groove of the second coupling part respectively have opposite shaft holes for passing through the pivots with a shaft rod. The opposite shaft holes are pivotally arranged. The quick-detachable folding structure as described in claim 3, wherein the outer edge of the first coupling part is formed on the corresponding projection block with a locking hole communicating with the shaft hole, and the middle section of the shaft rod of the second coupling part A pair of ring grooves corresponding to the locking holes are formed for locking a locking bar to limit the position of the shaft. The quick-detachable folding structure according to claim 4, wherein the lock hole and the lock rod can be selected from screw holes and tightening bolts. The quick-detachable folding structure as described in Claim 1, wherein the first coupling member forms a fixing hole adjacent to the outer edge of the protruding block, and the fixing hole can be provided with a positioning pin, and the slot of the seat beam Corresponding to the positioning pin, the seat beam will not be rotated arbitrarily when it is limited to slide up and down. The quick-detachable folding structure as described in claim 1, wherein the jaws on both sides of the seat harness slot have two upper and lower coaxial perforations, and are respectively pierced with a pull rod, and the jaws on both sides are in the There is a corresponding slit between adjacent perforations to increase the amount of deformation under clamping. The quick-detachable folding structure as described in claim 1 or 7, wherein the two ends of the pull rods have a threaded section respectively, and the end of the pull rods passing through the jaw on one side is screwed with an adjusting nut for use Adjust its clamping force. The quick-detachable folding structure as described in claim 8, wherein the cam portion of the pulling handle has a slot for the pull rods to pass through, and the cam portion is further formed with a pivot shaft whose axis passes through the slots Holes for pivoting by using a pivot block with a radial screw hole respectively, so that the aforementioned pull rods can be screwed on the opposite pivot block by using a threaded section at one end of the jaw, so that the pulling handle can be opposite to the The lever is turned. The quick-detachable folding structure as described in Claim 9, wherein the pull rods are provided with an arc-shaped gasket between the clamping jaw and the triggering handle, which can reduce the wear between the triggering handle and the opposite clamping jaw .

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