JP3217136U - Rack folding structure - Google Patents

Abstract

An object of the present invention is to provide a folding structure for a rack that avoids the risk of deformation due to shaking of a lower partition plate, greatly improves the stability of use of the rack, and is useful for consumers. A rack folding structure includes two connecting portions and a rack. The two connecting portions 10 are installed between the first and second frames 21 and 22 of the rack, and the connecting portions are connected to each other by the movable blade 23 between the upper partition plate 211 and the lower partition plate of the first and second frames. The tube 11 is controllably pivoted. The upper and lower partition plates are expanded or folded around the connecting pipe, and are moved along the connecting pipe using the adjusting unit 12. Further, the access member 13 limits the position of the connecting pipe and fixes the first and second frames in the horizontally deployed state. When the rack is unfolded, the movable wing plate 23 is applied to both sides of the connecting pipe by the contact portion 232 to limit folding. [Selection] Figure 3

Description

  The present invention relates to a rack, and more particularly to a rack folding structure.

  There are many types and types of racks that are currently on the market, but most of them are mainly designed in a fixed form. A typical fixed rack has a large number of parts packed in a distributed manner and is provided for the user to assemble after purchase. Although the labor and packing volume can be reduced, it takes time because the user has to assemble over time. In addition to the trouble, there is a drawback that when not used for a while, it cannot be folded and stored and space is required.

  In order to remedy the above drawbacks, a folded rack structure design is widely accepted by users. FIG. 14 shows a traditional folding rack at present, and the rack 30 reaches an expansion / contraction adjustment state by inserting the inner tube 32 into the outer tube 31. A partition plate 33 that is folded on the inner pipe 32 is assembled, and the outer pipe 31 has a lock ring 311, and is interlocked to be locked via a control lever 312, and is connected to the upper end of the inner pipe 32. Is provided with a lock portion 321. When the inner pipe 32 slides into the outer pipe 31 and the partition plate 33 is made horizontal, the lock ring 311 is fitted and fixed to the lock portion 321 of the inner pipe 32 using the control lever 312. The rack 30 is gradually raised and used. Conversely, when the rack 30 is to be folded and stored, the lock ring 311 is first removed from the lock portion 321 of the inner tube 32, and the inner tube 32 is pulled upward along the outer tube 31. As the position moves, the partition plate 33 gradually folds downward in conjunction with the rack 30, and the rack 30 is folded.

  From the above, traditional foldable racks are more convenient than fixed racks, but traditional foldable racks still have inconvenience when folding and it is important to improve the convenience of folding It becomes a problem.

  Therefore, the present inventor obtained the present invention full of practicality as a result of detailed design and careful evaluation of the above-mentioned goals based on manufacturing development and design experience of related products for many years.

  The problem to be solved by the present invention is to solve the above-mentioned drawbacks existing in the prior art and to provide a rack folding structure.

  The rack folding structure of the present invention includes two connecting portions and a rack. Each of the two connecting parts has a connecting pipe and an adjusting part, and the adjusting part is slidably fitted into the connecting pipe, and an opening is formed outside the adjusting part. Are pivoted and actuated when the access member is twisted by forming an axis with the shaft bolt. The inner wall of the approaching member has a fulcrum and a press part, and the purpose of approaching and fixing the connecting pipe is achieved. In addition, two connecting plates are provided symmetrically on both sides of the adjusting portion, and an interlocking bar is slidably connected to each of the two connecting plates. The rack has a first frame and a second frame, the first and second frames have at least an upper partition plate and a lower partition plate, and the upper and lower partition plates are all outside the first and second frames. Two support rods are provided which are connected in the vertical direction. The insides of the first and second frames are aligned with each other, and movable vanes that are symmetrical to each other are provided between the two upper partition plates and between the two lower partition plates. All of the movable blades have a pivoting portion that overlaps each other and two abutting portions that are parallel to each other. Further, each of them is assembled into a connecting pipe by the above-mentioned pivot part. The movable vane plate between the two upper partition plates is provided with two through holes on the outside, and the two interlocking rods on both sides of the adjusting portion are plugged by the two through holes. This constitutes a rack folding structure.

  Preferably, the connecting pipe of the two connecting portions is an inverted L-shaped upper stop plate at each upper end.

  Preferably, tires are all provided at the bottom ends of the support rods outside the first and second frames so that they are suitable for sliding.

  Preferably, there is a handle integrally formed between the two support rods of the first frame.

  Preferably, a plurality of staggered position-limited arc plates are provided between the upper and lower partition plates on the inner side that are aligned with the first and second frames, and all are inserted between these position-limited arc plates using shaft rods. Thus, the two upper partition plates and the two lower partition plates rotate around the shaft rod.

  Compared with the effect of the prior art: the two connecting parts are installed between the first and second frames of the rack, and the movable blades are all between the upper and lower partition plates of the first and second frames. By the above, the upper and lower partition plates are expanded or folded around the connecting pipes of the two connecting parts, and are adjusted using the adjusting part. Moves along the connecting pipe. The connecting pipe is gradually limited by the approaching member to limit the position, and the first and second frames reach the fixed state of horizontal deployment. Also, when these movable blades are deployed in the rack, they are restricted by being applied to both sides of the connecting tube by the abutment part, so the upper and lower partition plates can be prevented from shaking and deforming, and the rack can be used stably. Greatly improve and help consumers use.

It is a three-dimensional view showing a rack folding structure according to the present invention. It is an exploded view which shows the folding structure of the rack which concerns on this invention. It is a local exploded view of the connection part of this invention. It is a front view which shows the folding structure of the rack which concerns on this invention. It is a state figure which shows the local expansion of the front view of this invention. It is a three-dimensional view of another embodiment of the present invention. It is a state figure which shows that the adjustment part of this invention approaches and limits a position. It is a state figure which shows having removed from the adjustment part of this invention approaching and restricting a position. FIG. 6 is a state diagram showing that the adjusting unit of the present invention slides down along the connecting pipe. It is a state figure showing the state where the folding structure of the rack concerning the present invention was folded. It is an exploded view of another embodiment of the rack of the present invention. It is a state diagram which shows the expansion | deployment state of another Example of the rack of this invention. It is a state diagram which shows the folded state of another Example of the rack of this invention. It is a state diagram which shows a prior art.

  In order to make the objects, features, and effects of the present invention clearer, it will be described in detail in conjunction with [Brief Description of Drawings] as follows. First, please refer to FIG. 1, FIG. 2 and FIG. The rack folding structure of the present invention includes two connecting portions 10 and a rack 20. Each of the two connecting portions 10 includes a connecting tube 11 and an adjusting portion 12. There is an inverted L-shaped upper stop plate 111 at each upper end of the connecting pipe 11, the adjusting part 12 is slidably fitted into the connecting pipe 11, and an opening 121 is formed outside the adjusting part 12. Further, the approach member 13 is pivotally connected to the opening 121 by the shaft bolt 122, and the shaft center is formed by the shaft bolt 122, whereby the approach member 13 is actuated. There is a fulcrum 131 and a press part 132 on the inner wall of the approaching member 13, and the purpose of approaching and fixing the connecting pipe 11 is achieved. Two connecting plates 123 are provided on both sides of the adjusting unit 12 so as to be symmetrical with each other, and the interlocking rod 124 is pivotally connected to the two connecting plates 123 so as to be slidable. The rack 20 includes a first frame 21 and a second frame 22, and the first and second frames 21 and 22 include at least upper partition plates 211 and 221 and lower partition plates 212 and 222, and upper and lower partition plates. Between 211 and 212 (221, 222), the number of partition plates can be increased by the arrangement of the rack 20. Two support rods 213 and 223 for connecting the upper and lower partition plates 211 and 212 (221 and 222) in the vertical direction are provided outside the first and second frames 21 and 22, respectively. The inner sides of the first and second frames 21 and 22 are aligned with each other, and a movable vane plate 23 that is symmetrical between the two upper partition plates 211 and 221 and between the two lower partition plates 212 and 222 is provided. It is done. Each of the movable blade plates 23 has a pivot portion 231 that overlaps each other and two abutment portions 232 that are parallel to each other. Further, the first and second frames 21 and 22 are assembled to the connecting pipe 11 by the pivotal portion 231, respectively. The movable vane plate 23 between the two upper partition plates 211 and 221 is provided with two through holes 233 on the outer sides, and the two through holes 233 allow the two interlocking rods 124 on both sides of the adjusting portion 12 to be connected. It is plugged.

  Refer to FIGS. 1 to 5 for the assembly of the structure. Since the adjusting portion 12 is fitted into the two connecting portions 10 by the connecting tube 11, the adjusting portion 12 can be moved up and down along the connecting tube 11. Further, the two connecting portions 10 are assembled between the first and second frames 21 and 22 of the rack 20, and the upper partition plates 211 and 221 of the first and second frames 21 and 22 are attached to the movable blade plate 23. It is assembled to the upper half of the connecting pipe 11 by means of a pivot part 231 between them. Further, two abutting portions 232 are positioned on both sides of the connecting pipe 11, and simultaneously, the movable blade plate 23 is plugged into the outer through-hole 233 and the interlocking rod 124 of the adjusting portion 12. The lower partition plates 212 and 222 of the first and second frames 21 and 22 are assembled to the lower half of the connecting pipe 11 by a pivotal portion 231 between the movable blade plates 23. Further, two abutting portions 232 are positioned on both sides of the connecting pipe 11, and the movable blade plate 23 is provided between the first and second frames 21, 22 and between the lower partition plates 211, 212 (221, 222). It is actuated by twisting up and down with the pivotal portion 231 as the axis. When the upper and lower partition plates 211 and 212 (221 and 222) are twisted upward along with the movable blade plate 23, the contact portion 232 in which both the movable blade plates 23 are parallel to each other is connected to the connecting pipe 11. The upper and lower partition plates 211, 212 (221, 222) are made horizontal and are further limited in position so as to be perpendicular to the connecting pipe 11. The purpose of folding the first and second frames 21 and 22 of the rack 20 is achieved by twisting and operating the movable blade 23. With the above-described structure, the structure of the rack folding card is completed.

  Please continue to refer to FIG. 6 for another example of the structure. The first and second frames 21 and 22 of the rack 20 are outer support rods.

Tires 24 are all provided at the bottom ends of 213 and 223, and are in a state suitable for sliding. There is a handle 214 integrally formed between the two support bars 213 of the first frame 21.

  Please refer to FIGS. 4, 5, and 7 in accordance with FIGS. When the rack 20 is unfolded and used, the two upper partition plates 211 and 221 and the two lower partition plates 212 and 222 in the first and second frames 21 and 22 are twisted upward to form a horizontal shape. Then, these movable blades 23 are interlocked and operated by twisting the pivotal portion 231 as an axis. The two upper partition plates 211 and 221 in the upper half of the connecting pipe 11 simultaneously move the two interlocking rods 124 by the movable vane plate 23 to slide the adjusting part 12 upward along the connecting pipe 11. Move. Finally, the approaching member 13 of the adjusting portion 12 is actuated by twisting it toward the opening 121, and the fulcrum 131 is first brought close to the inner wall of the connecting tube 11, and further the pressurizing portion 132 pressurizes the connecting tube 11. Urge you. As a result, the position of the adjusting unit 12 is limited, and the movable blades 23 are prevented from being twisted and moved again. Further, these movable vanes 23 are further applied to both sides of the connecting pipe 11 by two abutting portions 232 parallel to each other, so that the positions of the two upper and lower partition plates 211 and 212 (221 and 222) are changed. limit. Between the first and second frames 21 and 22, the two outer support plates 213 and 223 are erected and supported to ensure that the upper and lower partition plates 211 and 212 (221 and 222) reach a horizontal state. , Reach the intended purpose of placing and storing objects.

  Conversely, when it is desired to fold and store the rack 20 structure after use, refer to FIGS. First, the connecting member 11 of the adjusting unit 12 is twisted outward and rotated to disengage the connecting pipe 11 from the position-limited state of the approaching member 13, and the adjusting unit 12 is moved downward along the connecting pipe 11. You can move the position. At this time, the upper partition plates 211 and 221 of the first and second frames 21 and 22 can be folded by applying a force downward. Further, the rack 20 can be folded by folding the two outer support bars 213 and 223 inward in conjunction with the two lower partition plates 212 and 222. After it is folded, it is generally inverted V-shaped, greatly reducing the volume of the structure, and can stand directly on the ground, thus improving the convenience of housing the structure.

  For another embodiment of the rack 20, continue to refer to FIGS. A plurality of staggered position-limiting arc plates 215 and 224 are provided between the two upper and lower partition plates 211 and 212 (221 and 222) on the inner side that match the first and second frames 21 and 22, And, all the shaft rods 25 are inserted and restricted between these position-limited arc plates 215 and 224 so that the space between the two upper partition plates 211 and 221 and the space between the two lower partition plates 212 and 222 are reduced. It rotates around the shaft rod and operates to improve the assembly stability between the first and second frames 21 and 22 and reach the use state of storage and deployment.

  According to the structure of the specific embodiment described above, the following effects can be obtained. The two connecting portions 10 are installed between the first and second frames 21 and 22 of the rack 20, and the upper and lower partition plates 211 and 221 and the lower partition plate 212 and the first and second frames 21 and 22 are provided. Between 222, the upper and lower partition plates 211 and 212 (221 and 222) are controlled by the movable vane plate 23 to the connecting pipe 11 of the connecting part 10 so that the two connecting parts are connected. The ten connecting pipes 11 are developed or folded around the center, and the position is moved along the connecting pipe 11 using the adjusting unit 12. The connecting member 11 is gradually limited by the approaching member 13 to limit the position, and the first and second frames 21 and 22 reach a fixed state of horizontal deployment. Further, when these movable blades 23 are deployed in the rack 20, the upper and lower partition plates 211, 212 (221, 222) are shaken because they are restricted by being applied to both sides of the connecting pipe 11 by the contact portion 232. Therefore, the use stability of the rack 20 is greatly improved, which is useful for consumers.

The above is only a part of the embodiments according to the present invention, and does not limit the scope of the present invention. That is, changes, modifications, and the like made within the scope of the claims of the present invention should also belong to the scope of the present invention.

10 connecting portion 11 connecting tube 111 upper stop plate 12 adjusting portion 121 opening 122 shaft bolt 123 connecting plate 124 interlocking rod 13 approaching member 131 fulcrum 132 pressing portion 20 rack 21 first frame 211 upper partition plate 212 lower partition plate 213 support rod 214 Handle 215 Position limited arc plate 22 Second frame 221 Upper partition plate 222 Lower partition plate 223 Support rod 224 Position limited arc plate 23 Movable vane plate 231 Pivoting portion 232 Abutting portion 233 Through hole 24 Tire 25 Axle rod (prior art) )
30 Rack 31 Outer tube 311 Lock ring 312 Control lever 32 Inner tube 321 Lock portion 33 Partition plate

Claims (5)

A rack folding structure including two connecting portions and a rack,
Each of the two connecting parts has a connecting pipe and an adjusting part, the adjusting part is slidably fitted into the connecting pipe, an opening is formed outside the adjusting part, and a shaft bolt is formed in the opening. The approaching member is pivoted by the shaft bolt, and the shaft is formed by the shaft bolt so that the approaching member is twisted. The purpose of fixing is fulfilled, and two connecting plates are provided on both sides of the adjusting portion so as to be symmetrical with each other, and interlocking rods are slidably connected to the two connecting plates,
The rack has a first frame and a second frame, the first and second frames have at least an upper partition plate and a lower partition plate, and the upper and lower partition plates are arranged outside the first and second frames. Two support rods connected in the vertical direction are provided, the insides of the first and second frames are aligned with each other, and movable blades are provided that are symmetrical with each other between the two upper partition plates and between the two lower partition plates. Each of the movable blades has a pivoting portion that overlaps each other and two abutting portions that are parallel to each other, and the first and second frames are assembled to the connecting pipe by the pivoting portion, respectively, The movable wing plate between the partition plates is provided with through holes on two outer sides, and the two interlocking rods on both sides of the adjusting portion are plugged by the two through holes. Folding structure.   The rack folding structure according to claim 1, wherein the connecting pipes of the two connecting parts have inverted L-shaped upper stop plates at their upper ends.   2. The rack folding structure according to claim 1, wherein tires are respectively provided at the bottom ends of the support rods on the outer sides of the first and second frames so as to be suitable for sliding.   2. The rack folding structure according to claim 1, wherein a handle is integrally formed between the two support bars of the first frame.   A plurality of alternating position-limited arc plates are provided between the upper and lower partition plates on the inner side where the first and second frames are aligned with each other, and the shaft rods are inserted and limited between the position-limited arc plates, respectively. The rack folding structure according to claim 1, wherein the two upper partition plates and the two lower partition plates rotate about the shaft rod.