Four-section type connecting structure of rotary folding quadrat frame
By using a four-segment connection structure for rotating and folding the quadrangular frame, the problem of large size and heavy weight of existing quadrangular frames is solved, realizing convenient folding and stable unfolding of the frame, which is suitable for portable and accurate quadrat measurement in field ecological surveys.
Patent Information
- Application Number
- CN202520332812.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing quadrat frames are large, bulky, and easily damaged at the joints, resulting in inaccurate quadrat measurements and making it difficult to carry them conveniently and adjust the frame length precisely during field surveys.
The four-section connection structure of the rotating and folding rectangular frame includes a main column, auxiliary corner columns, adjustment blocks, and a locking mechanism. The frame can be flexibly rotated and folded through slide rails and limit springs, and the support feet can be adjusted in height to adapt to different ground surfaces.
The square frame is designed for easy folding and carrying, ensuring rapid deployment and stable use in field surveys. It adapts to different ground conditions and improves the accuracy of quadrat measurements and the stability of its use.
Smart Images
Figure CN223856737U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quadrangle frame technology, concretely relates to a four-section connecting structure of rotating and folding quadrangle frame. BACKGROUND
[0002] When carrying out field investigation test, researchers often need to select several 1m*1m or 50cm*50cm quadrats to carry out the investigation of the ecological related indexes such as biodiversity or biomass, and the researchers often adopt a quadrat frame made of aluminum alloy and fixedly connected at four edges, or directly adopt an iron stick or a wooden stick to enclose a 1 square meter quadrat, and then carry out the investigation and determination of the related ecological test indexes, through consulting the previous patent and literature material, the four edges of the quadrat frame are mainly connected in a fixed mode (welding, riveting) or not connected at all, and only a quadrat area is formed in a direct view, which leads to the quadrat frame having the defects of large volume, being relatively heavy, the connecting part being easy to be damaged, and the quadrat volume being inaccurate, etc., the quadrat frame structure provided by the utility model overcomes the problems of large volume and heavy unfolding of the existing quadrat frame, and is more convenient to carry and can accurately adjust the length of the frame within a certain range. SUMMARY
[0003] The utility model aims at providing a four-section connecting structure of rotating and folding quadrangle frame to solve the above-mentioned deficiencies in the prior art.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a four-section connecting structure of rotating and folding quadrangle frame, comprising a plurality of main angle columns and a plurality of auxiliary angle columns, two installation grooves are formed in the main angle column, the inner part of the two installation grooves is fixedly connected with a first limiting block and a second limiting block respectively, a first adjusting block is movably sleeved on the first limiting block, a second adjusting block is movably sleeved on the second limiting block, a locking mechanism is arranged on the first adjusting block and the second adjusting block respectively, the part for connecting the main angle column and the auxiliary angle column is provided with a hollow cylindrical structure, a sliding rail is arranged in the installation groove of the main angle column along the sliding direction of the first adjusting block and the second adjusting block, the first adjusting block, the second adjusting block and the sliding rail are matched as a sliding block structure, and a sliding rail is also arranged on the auxiliary angle column corresponding to the moving path of the third adjusting block, and the third adjusting block and the sliding rail are matched as a sliding block structure.
[0005] Further, the locking mechanism comprises two movable grooves which are symmetrically formed in the first adjusting block and the second adjusting block, the inner part of the two movable grooves is fixedly connected with a limiting spring respectively, the other end of the two limiting springs is fixedly connected with a locking block, and the locking block is abutted with the first adjusting block and the second adjusting block respectively on one side.
[0006] Further, the first adjusting block is fixedly connected with first extension plates symmetrically, first moving grooves are formed in the first extension plates, the second adjusting block is fixedly connected with second extension plates symmetrically, and the second extension plates and the first extension plates are fixedly connected with first limiting rods respectively.
[0007] Further, third adjusting blocks are movably sleeved on the plurality of auxiliary corner columns respectively, third extension plates are fixedly connected to the two sides of the third adjusting blocks respectively, second moving grooves are formed in the third extension plates, the first limiting rods are movably sleeved in the second moving grooves, second limiting rods are fixedly connected to one end of the third extension plates, and the second limiting rods are movably sleeved in the first moving grooves.
[0008] Further, threaded holes are formed in the bottoms of the plurality of main corner columns and the plurality of auxiliary corner columns respectively, support feet are threadedly sleeved in the threaded holes respectively, the support feet are conical in cross section, the support columns are conical at the bottom and square at the top, and the hollow cylinders at the bottoms of the main corner columns and the auxiliary corner columns are sleeved on the square structures at the top of the support columns.
[0009] Compared with the prior art, the utility model discloses a unique four-section type connecting structure design, the first adjusting block and the second adjusting block are arranged on the main corner column, and the corresponding locking mechanism is arranged, the third adjusting block is arranged on the auxiliary corner column, and the flexible rotation and folding of the square frame structure are realized.When it is necessary to change shape or storage and transportation, the operation is simple, and the user can easily complete the folding process, save space, and conveniently carry and store.
[0010] The locking mechanism utilizes the limiting spring and the locking block, ensures that the components are stably connected when being unfolded and used, and prevents accidental movement when the adjusting block is in the appropriate position, guarantees the stability and reliability of the square frame structure in the use process, effectively avoids the security risks caused by shaking or loosening, can bear certain external force without deformation or displacement, and is suitable for various scenes.
[0011] The utility model discloses that the threaded holes and the conical support feet are arranged at the bottoms of the main corner column and the auxiliary corner column, not only convenient installation and dismounting, but also can adjust the support height and angle according to different ground conditions, guarantee that the square frame structure is placed stably. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0013] Figure 1 The overall structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0014] Figure 2 The first extension plate structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0015] Figure 3 The auxiliary corner post installation structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0016] Figure 4 The main corner post installation structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0017] Figure 5 The second extension plate structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0018] Figure 6 The first adjusting block installation structure schematic diagram provided by the embodiment of the present application is shown in the figure.
[0019] Explanation of reference signs:
[0020] 1, main corner post; 2, first adjusting block; 3, first extension plate; 4, second adjusting block; 5, second extension plate; 6, auxiliary corner post; 7, third adjusting block; 8, third extension plate; 9, second limiting rod; 10, first moving groove; 11, first limiting rod; 12, supporting foot; 13, first limiting block; 14, second limiting block; 15, limiting spring; 16, locking block; 17, second moving groove. Specific implementation
[0021] In order to make the skilled in the art better understand the technical solutions of the present application, the following will be further described in detail in combination with the drawings.
[0022] Please refer to Figures 1-6The utility model relates to a four -segment type connecting structure of rotating folding square frame, and its core component contains main angle column 1 and a plurality of auxiliary angle column 6. Main angle column 1 is the key support and connecting body of whole structure, and two installation grooves are carefully provided on its surface, and the design position and size of the two installation grooves are accurately calculated to ensure that subsequent components can be accurately installed and realize corresponding function. In the inside of one installation groove, firmly fixedly connected with first limit block 13, first limit block 13 is made of high -strength material, has good wear resistance and stability, its shape is perfectly adapted with installation groove, ensures that will not be loose or displacement after installation. In another installation groove, second limit block 14 is also firmly fixedly connected, and second limit block 14 and first limit block 13 are mutually matched in structure and function, and lay the foundation for whole connecting structure.
[0023] On first limit block 13, first adjusting block 2 is cleverly movably sleeved. The shape of first adjusting block 2 is matched with first limit block 13, can smoothly slide on its surface, and keeps stable posture in the sliding process. The internal structure of first adjusting block 2 is fine, and the movable groove is symmetrically provided, and the inner wall of movable groove is finely processed to ensure that internal components can run smoothly. In the inside of each movable groove, limit spring 15 is firmly fixedly connected, limit spring 15 is made of high-quality spring steel, has good elasticity and durability. The other end of limit spring 15 is fixedly connected with locking block 16, and one side of locking block 16 is designed into the shape of tightly abutting with first adjusting block 2, when first adjusting block 2 is at specific position, locking block 16 can stably lock first adjusting block 2 in corresponding position under the elastic force of limit spring 15, prevents accidental sliding or displacement.
[0024] Similarly, second adjusting block 4 is movably sleeved on second limit block 14. The structure of second adjusting block 4 is similar to first adjusting block 2, has the same function and characteristics, and the movable groove is also symmetrically provided in its inside, and limit spring 15 and locking block 16 are installed in movable groove, through the cooperation with second limit block 14, realize accurate adjustment and stable locking of own position.
[0025] The first extension plate 3 is fixedly connected to the first adjusting block 2 in symmetry, and the first extension plate 3 and the first adjusting block 2 are designed in an integrated manner to ensure the connection strength and stability. On the two first extension plates 3, first moving grooves 10 are accurately formed, and the size and shape of the first moving grooves 10 are carefully designed to meet the installation and movement requirements of subsequent components. The second extension plate 5 is fixedly connected to the second adjusting block 4 in symmetry, and the second extension plate 5 and the second adjusting block 4 are also an integrated structure with good mechanical properties. The first limiting rod 11 is fixedly connected to the second extension plate 5 and the first extension plate 3, respectively, and the position and length of the first limiting rod 11 are accurately calculated. The material of the first limiting rod 11 has high strength and rigidity and can withstand certain external forces without deformation.
[0026] The plurality of auxiliary corner columns 6 play an important role in auxiliary support and connection in the entire structure. The third adjusting block 7 is movably sleeved on each auxiliary corner column 6, and the third adjusting block 7 can freely slide on the auxiliary corner column 6 to adapt to different connection and adjustment requirements. The third extension plate 8 is fixedly connected to the two sides of the third adjusting block 7 in symmetry, and the third extension plate 8 is closely connected to the third adjusting block 7 to ensure the integrity of the structure. The second moving groove 17 is carefully formed on the third extension plate 8, and the design of the second moving groove 17 cooperates with the first moving groove 10. The first limiting rod 11 can be accurately movably sleeved in the second moving groove 17 to realize accurate linkage and position adjustment between the first adjusting block 2, the second adjusting block 4, and the third adjusting block 7. At the same time, the second limiting rod 9 is fixedly connected to one end of the third extension plate 8, and the length and diameter of the second limiting rod 9 are matched with the first moving groove 10, which can be smoothly movably sleeved in the first moving groove 10, further enhancing the connection stability and movement coordination between the components.
[0027] The bottom of the main corner column 1 and the plurality of auxiliary corner columns 6 is provided with a threaded hole, and the thread specification of the threaded hole is uniform and accurate to ensure the installation accuracy of subsequent components. The support leg 12 is threadedly sleeved in each threaded hole, and the cross-section of the support leg 12 is designed as a cone. This shape design has unique advantages. The tip of the cone can easily find a stable support point on uneven ground, and the larger bottom area provides sufficient support stability to ensure that the entire square frame structure can remain stable when placed and will not tilt or shake due to uneven ground or slight external force. The material of the support leg 12 has good wear resistance and pressure resistance, which can adapt to different ground environments and use conditions to provide reliable bottom support for the entire structure. Through the precise design and cooperation of the above components, the four-section connection structure of the rotating folding square frame can realize efficient, stable connection and flexible rotating folding function, meeting various practical application requirements.
[0028] Working principle: In the initial state, the first adjusting block 2 and the second adjusting block 4 are in the retracted position, and the locking block 16 is clamped in the corresponding position under the action of the limiting spring 15, limiting the movement of the adjusting block. When the square frame structure needs to be unfolded, manually pull the first adjusting block 2 and the second adjusting block 4 outward, overcome the elastic force of the limiting spring 15, and make the locking block 16 retract into the active slot. At this time, the first adjusting block 2 and the second adjusting block 4 can slide outward along the first limiting block 13 and the second limiting block 14.
[0029] With the movement of the first adjusting block 2 and the second adjusting block 4, the first limiting rod 11 fixed on the first extension plate 3 and the second extension plate 5 also moves. The first limiting rod 11 slides in the second moving slot 17 of the third adjusting block 7, driving the third adjusting block 7 to move upward on the auxiliary corner column 6. At the same time, the second limiting rod 9 on the third extension plate 8 slides in the first moving slot 10, further ensuring the linkage and position coordination between the components.
[0030] When the first adjusting block 2 and the second adjusting block 4 move to the appropriate unfolded position, the locking block 16 is again ejected under the elastic force of the limiting spring 15, locking the first adjusting block 2 and the second adjusting block 4 in the unfolded position. At this time, the entire square frame structure is unfolded, and the components cooperate with each other to form a stable square frame shape, which can be used for support, display and other functions.
[0031] Folding process
[0032] When the square frame structure needs to be folded, manually press the locking block 16 to make it retract into the active slot against the elastic force of the limiting spring 15, and release the locking of the first adjusting block 2 and the second adjusting block 4. Then, push the first adjusting block 2 and the second adjusting block 4 to slide inward along the first limiting block 13 and the second limiting block 14.
[0033] The inward movement of the first adjusting block 2 and the second adjusting block 4 drives the first limiting rod 11 to slide reversely in the second moving slot 17, so that the third adjusting block 7 moves downward on the auxiliary corner column 6. The second limiting rod 9 also reversely slides in the first moving slot 10, and the components move cooperatively to gradually fold the square frame structure.
[0034] Continue to push the first adjusting block 2 and the second adjusting block 4 until the completely folded position is reached, at which time the entire structure is compact, facilitating storage, transportation or storage.
[0035] Adjusting effect of supporting legs
[0036] The support feet 12 at the bottom of the main corner column 1 and the auxiliary corner column 6 are connected by threads, and the height can be adjusted according to the actual use requirements. When the square frame structure needs to be placed on uneven ground, the support feet 12 are rotated to rise or fall in the threaded holes, and are adjusted to the appropriate height, so that the tip of the cone can stably contact the ground, a stable support point is found by using the shape characteristics of the cone, the whole square frame structure is kept horizontal and stable, the structure is prevented from tilting or shaking due to uneven ground, and the normal use and safety of the structure are ensured.
[0037] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. A four-section connection structure of a rotary folding quadrat, comprising a plurality of main corner posts (1) and a plurality of auxiliary corner posts (6), characterized in that, Two mounting grooves are formed in the main corner post (1), and a first limiting block (13) and a second limiting block (14) are fixedly connected in the two mounting grooves respectively, a first adjusting block (2) is movably sleeved on the first limiting block (13), and a second adjusting block (4) is movably sleeved on the second limiting block (14); locking mechanisms are arranged on the first adjusting block (2) and the second adjusting block (4) respectively; and the connecting part of the main corner post (1) and the auxiliary corner post (6) is in a hollow cylindrical structure; a sliding rail is arranged in the mounting groove of the main corner post (1) along the sliding direction of the first adjusting block (2) and the second adjusting block (4); the first adjusting block (2), the second adjusting block (4) and the sliding rail are in a sliding block structure; and a sliding rail is also arranged on the auxiliary corner post (6) corresponding to the moving path of the third adjusting block (7), and the third adjusting block (7) and the sliding rail are in a sliding block structure.
2. The four-section connecting structure of a rotary folding square frame according to claim 1, characterized in that, The locking mechanism comprises two symmetrical movable grooves formed in the first adjusting block (2) and the second adjusting block (4), limiting springs (15) are fixedly connected in the two movable grooves respectively, and locking blocks (16) are fixedly connected to the other ends of the two limiting springs (15); and the locking blocks (16) are in abutment with the first adjusting block (2) and the second adjusting block (4) respectively on one side.
3. The four-section connecting structure of a rotary folding square frame according to claim 1, characterized in that, First extension plates (3) are fixedly connected to the first adjusting block (2) symmetrically, first moving grooves (10) are formed in the two first extension plates (3), second extension plates (5) are fixedly connected to the second adjusting block (4) symmetrically, and first limiting rods (11) are fixedly connected to the second extension plates (5) and the first extension plates (3) respectively.
4. The four-section connecting structure of a rotary folding square frame according to claim 3, wherein Third adjusting blocks (7) are movably sleeved on the plurality of auxiliary corner posts (6) respectively, third extension plates (8) are fixedly connected to the two sides of the third adjusting block (7) respectively, second moving grooves (17) are formed in the third extension plates (8), the first limiting rods (11) are movably sleeved in the second moving grooves (17), second limiting rods (9) are fixedly connected to one end of the third extension plates (8), and the second limiting rods (9) are movably sleeved in the first moving grooves (10); and the first adjusting block (2), the second adjusting block (4) and the third adjusting block (7) are provided with foldable hinge structures at the connecting parts with the corner posts.
5. The four-section connecting structure of a rotary folding square frame according to claim 1, wherein Threaded holes are formed in the bottoms of the plurality of main corner posts (1) and the plurality of auxiliary corner posts (6) respectively, support feet (12) are threadedly sleeved in the plurality of threaded holes respectively, the cross section of the support feet (12) is a conical body, a support column is further arranged, the lower part of the support column is in a conical structure, and the upper part of the support column is in a square structure; and the hollow cylinders at the bottoms of the main corner posts (1) and the auxiliary corner posts (6) are sleeved on the square structure at the upper part of the support column.