Multipurpose folding screen frame
Through the height-adjustable lifting tube and connecting mechanism, combined with the limit slot, upper pressure rod and detachable side fan design, the problems of fixed height of the screen frame and inconvenient object fixation are solved, and the effects of flexible height adjustment, reliable object fixation, convenient assembly and disassembly of components and solid structure are achieved. It is suitable for the placement and protection of items in various scenarios.
Patent Information
- Application Number
- CN202510900535.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-01
- Publication Date
- 2025-09-05
AI Technical Summary
The existing mesh frame structure is highly fixed and cannot be flexibly adjusted, resulting in low space utilization and an inability to meet the placement needs of diverse items. In addition, the lack of effective fixing devices causes items to easily move or collide during transportation or storage, increasing the risk of damage. It is also inconvenient to install and disassemble components, increasing operational difficulty and time costs.
It adopts an adjustable height lifting tube and connecting mechanism, combined with a limit slot, upper pressure rod and detachable side fan design. Through the cooperation of bolts or locking pins and springs, it can realize flexible adjustment of the screen frame height and precise positioning of objects, simplifying the installation and removal process of components.
It realizes flexible adjustment of the screen frame height, improves space utilization, ensures the stability and safety of items, simplifies the operation process, enhances the firmness and ventilation of the structure, and adapts to various usage environments.
Smart Images

Figure CN120589299A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of folding screen frames, in particular to a multi-purpose folding screen frame. Background Art
[0002] In modern industrial production, logistics, transportation, and warehouse management, there is a growing demand for the placement, securing, and protection of items. This is particularly true in the automotive parts industry, where a wide variety of parts come in various shapes. During transportation and storage, not only must these parts be stably placed to prevent damage from collisions and shaking, but they must also be well ventilated to prevent moisture and other factors that may affect their quality.
[0003] The common racks or screen frames currently on the market have relatively simple structures and limited functionality. Some screen frames have a fixed height and cannot be flexibly adjusted to accommodate items of varying sizes, resulting in low space utilization and an inability to accommodate diverse items. When it comes to securing items, some screen frames lack effective fixing devices, making it difficult to precisely position items, making them susceptible to movement or collision during transportation or storage, resulting in damage. Furthermore, some screen frames feature components such as side panels and upper pressure rods that are difficult to install and remove, increasing operational complexity and time costs, and reducing work efficiency.
[0004] For this reason, the present application proposes a multi-purpose folding screen frame. Summary of the Invention
[0005] The purpose of the present invention is to solve the above technical problems and to propose a multi-purpose folding screen frame.
[0006] In order to achieve the above object, the present invention adopts the following technical solutions: The multi-purpose folding net frame includes four support seats, the upper ends of the four support seats are fixed with sleeves, the sleeves are slidably connected with lifting tubes, the lifting tubes and the sleeves are connected by a connecting mechanism, and brackets are fixed on the four support seats and the four sleeves, and short side fans welded to the lifting tubes on both sides are provided along the width direction of the bracket, and a detachable lower long side fan is connected between the two lifting tubes along the length direction of the bracket, and the lower long side fan is hingedly connected to the upper long side fan that can be locked on the lifting tube, a steel plate is placed on the bracket, and two support seats are welded on the steel plate, and a plurality of limit slots are provided on the support seat, and a detachable upper pressure rod is connected to the two short side fans, and an upper pressure seat is fixed to the bottom of the upper pressure rod, and a plurality of upper pressure grooves are provided at the bottom of the upper pressure seat.
[0007] Preferably, a fixing block is fixed on the bracket, and the fixing block abuts against the lower end outer wall of the short side sash.
[0008] Preferably, a plurality of hinges are fixed on the lower long side sash, and the plurality of hinges are fixedly connected to the upper long side sash.
[0009] Preferably, two L-shaped blocks are welded and fixed on the lifting tube, and the L-shaped blocks are provided with support grooves. Both ends of the lower long side fan are welded with connecting shafts, and the connecting shafts are slidably connected in the support grooves.
[0010] Preferably, a fixing hole is provided on the lifting tube, a connecting plate is welded on the upper long side fan, a guide sleeve is welded on the connecting plate, a lock column is slidably connected in the guide sleeve, the lock column passes through the upper long side fan and is slidably connected thereto, the lock column is slidably connected in the fixing hole, a U-shaped rod is fixed on the lock column, and both ends of the U-shaped rod are located on both sides of the guide sleeve.
[0011] Preferably, a U-shaped block is fixed on the short side fan, and rectangular short tubes are welded on the U-shaped block and the short side fan. Positioning holes are provided on the rectangular short tubes. The upper pressure rod is placed on the U-shaped block, and a fixing sleeve is fixed to the upper end of the upper pressure rod. A limiting column is slidably connected in the fixing sleeve, and the limiting column is slidably connected in the positioning hole.
[0012] Preferably, a notch is provided at the upper end of the fixing sleeve, a handle is slidably connected in the notch, and the handle is fixed on the limiting column.
[0013] Preferably, the short side fans, the lower long side fans and the upper long side fans are all frame-shaped, made of welded stainless steel rectangular tubes, and diamond-shaped mesh sheets are installed on the short side fans, the lower long side fans and the upper long side fans.
[0014] Preferably, the connection mechanism includes a strip groove provided through the sleeve, and a bolt is threadedly connected to the lifting tube. The lifting tube can be fixed to the sleeve by tightening the bolt to abut against the sleeve.
[0015] Preferably, the connecting mechanism includes a plurality of locking holes provided through the lifting tube, a sliding locking pin is provided through the sleeve, a spring is fixed on the locking pin, the other end of the spring is fixedly connected to the sleeve, and the locking pin extends into different locking holes, so as to fix the lifting tube at different heights in the sleeve.
[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Flexible height adjustment: In Example 1, the height of the lifting tube in the sleeve can be freely adjusted by loosening and tightening the bolts, thereby achieving flexible adjustment of the protective height of the mesh frame, meeting the placement requirements of items of different heights, and improving the versatility and space utilization of the mesh frame.
[0017] In Example 2, a connecting mechanism of a locking pin, a spring and a locking hole is used. The height of the lifting tube can be adjusted by pulling the locking pin outward. After releasing it, the locking pin is automatically inserted into the corresponding locking hole under the action of the spring force. The operation is more convenient and the fixing stability is better, further ensuring the stability of the screen frame during use.
[0018] 2. Items are reliably fixed: There is a limit groove on the support seat, and an upper pressure seat and an upper pressure groove are provided at the bottom of the upper pressure rod. Through the cooperation of the limit groove, the upper pressure groove and the upper pressure seat, items such as auto parts can be accurately limited, effectively preventing the items from moving or colliding during transportation or storage, ensuring the safety of the items and reducing the damage rate.
[0019] 3. Convenient assembly and disassembly: The lower long side sash slides into the support slots on the L-shaped block via a connecting shaft, enabling quick assembly and disassembly. The upper long side sash is locked and unlocked by the cooperation of a locking post and a fixing hole, making operation simple. The upper pressure rod is quickly assembled and disassembled by the cooperation of a limit post and a positioning hole, and the handle design facilitates manual operation of the limit post. These designs greatly improve the convenience of assembly and disassembly, saving operation time and labor costs.
[0020] 4. Strong and durable structure: The short side fans, lower long side fans and upper long side fans are all made of stainless steel rectangular tubes welded together to form a frame, and are installed with diamond mesh, which not only ensures the ventilation of the frame, but also enhances its structural strength, making the frame more solid and durable, able to adapt to various harsh operating environments, and extending the service life of the frame.
[0021] To sum up, the present invention has the advantages of flexible height adjustment, reliable object fixation, convenient component disassembly and assembly, and sturdy and durable structure. It can meet the needs of placing, fixing and protecting objects in different industries and different scenarios, and has broad market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic structural diagram of the multi-purpose folding screen frame proposed in Example 1; Figure 2 This is a schematic structural diagram of the support base, sleeve, and lifting tube in the multi-purpose folding screen frame proposed by the present invention; Figure 3 This is a schematic structural diagram of the locking post in the multi-purpose folding screen frame proposed in Example 1; Figure 4 This is a schematic structural diagram of the limiting posts in the multi-purpose folding frame proposed in Example 1; Figure 5 This is a schematic structural diagram of the L-shaped block in the multi-purpose folding screen frame proposed in Example 1; Figure 6 This is a schematic structural diagram of the upper and lower side fans of the multi-purpose folding screen frame proposed in Example 1; Figure 7 This is a schematic structural diagram of the multi-purpose folding screen frame proposed in Example 2.
[0023] In the figure: 1 support seat, 2 sleeve, 3 lifting tube, 4 short side fan, 5 fixing block, 6 stopper, 7 bracket, 8 lower long side fan, 9 upper long side fan, 10 hinge, 11 upper pressure rod, 12 upper pressure seat, 13 support seat, 14 limit groove, 15 steel plate, 16 fixing hole, 17 connecting plate, 18 guide sleeve, 19 U-shaped rod, 20 locking column, 21 U-shaped block, 22 rectangular short tube, 23 positioning hole, 24 fixing sleeve, 25 limit column, 26 notch, 27 handle, 28 L-shaped block, 29 support groove, 30 diamond mesh, 31 connecting shaft, 32 strip groove, 33 bolt, 34 lock hole, 35 spring, 36 locking pin. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0025] Example 1 Reference Figures 1-6 The multi-purpose folding screen frame comprises four support bases 1, each of which is fixed with a sleeve 2 at its upper end. A lifting tube 3 is slidably connected within the sleeve 2. The lifting tube 3 and the sleeve 2 are connected by a connecting mechanism. The connecting mechanism includes a strip groove 32 provided through the sleeve 2. Bolts 33 are threadedly connected to the lifting tube 3. The fastening bolts 33 abut against the sleeve 2, which can firmly fix the lifting tube 3 on the sleeve 2 and ensure the stability of the screen frame during use.
[0026] Among them, a stopper 6 is welded on the lifting tube 3, which can abut against the upper end of the sleeve 2. This stopper 6 is the lowest position of the lifting tube 3 in the sleeve 2, preventing the lifting tube 3 from sliding down excessively and ensuring the stability of the basic structure of the screen frame.
[0027] Brackets 7 are fixed to the four support bases 1 and four sleeves 2, forming a stable foundation for the screen frame. Short side sashes 4 are welded to the lifting tubes 3 on either side along the width of the brackets 7. Fixing blocks 5 are fixed to the brackets 7, abutting against the lower outer wall of the short side sashes 4 to further enhance their stability.
[0028] A detachable lower long side fan 8 is connected between the two lifting tubes 3 along the length direction of the bracket 7. Two L-shaped blocks 28 are welded and fixed on the lifting tube 3. The L-shaped block 28 is provided with a support groove 29. Connecting shafts 31 are welded at both ends of the lower long side fan 8. The connecting shaft 31 is slidably connected in the support groove 29 to realize the quick installation and disassembly of the lower long side fan 8.
[0029] The lower long side fan 8 is hingedly connected to the upper long side fan 9 which can be locked on the lifting tube 3. A plurality of hinges 10 are fixed on the lower long side fan 8. The plurality of hinges 10 are fixedly connected to the upper long side fan 9 to ensure the stability of the hinge.
[0030] A fixing hole 16 is provided on the lifting tube 3, a connecting plate 17 is welded on the upper long side fan 9, a guide sleeve 18 is welded on the connecting plate 17, a lock column 20 is slidably connected in the guide sleeve 18, the lock column 20 passes through the upper long side fan 9 and is slidably connected thereto, and the lock column 20 is slidably connected in the fixing hole 16. The locking and unlocking of the upper long side fan 9 are achieved by the cooperation between the lock column 20 and the fixing hole 16; a U-shaped rod 19 is fixed on the lock column 20, and the two ends of the U-shaped rod 19 are located on both sides of the guide sleeve 18, which is convenient for manual operation of the lock column 20.
[0031] A steel plate 15 is placed on the bracket 7, and two support seats 13 are welded to the steel plate 15. The support seats 13 are provided with multiple limiting grooves 14 for placing and fixing auto parts or other items. A detachable upper pressure rod 11 is connected to the two short side panels 4. A U-shaped block 21 is fixed to the short side panels 4. A rectangular short tube 22 is welded to both the U-shaped block 21 and the short side panels 4. The rectangular short tube 22 is provided with a positioning hole 23. The upper pressure rod 11 is placed on the U-shaped block 21, and a fixing sleeve 24 is fixed to the upper end of the upper pressure rod 11. A limiting column 25 is slidably connected to the fixing sleeve 24. The limiting column 25 is slidably connected to the positioning hole 23, enabling rapid installation and removal of the upper pressure rod 11.
[0032] A notch 26 is provided at the upper end of the fixing sleeve 24 , and a handle 27 is slidably connected in the notch 26 . The handle 27 is fixed on the limiting column 25 to facilitate manual operation of the limiting column 25 .
[0033] The short side fans 4, the lower long side fans 8, and the upper long side fans 9 are all frame-shaped, made of welded stainless steel rectangular tubes, ensuring the durability of the net frame; the short side fans 4, the lower long side fans 8, and the upper long side fans 9 are all installed with diamond meshes 30, which not only ensures the ventilation of the net frame, but also enhances its structural strength.
[0034] An upper pressure seat 12 is fixed to the bottom of the upper pressure rod 11. A plurality of upper pressure grooves are provided at the bottom of the upper pressure seat 12. Through the notch 26, the upper pressure groove and the limit groove 14, the automobile accessories can be accurately limited to prevent them from moving or colliding during transportation or storage.
[0035] To adjust the screen frame height, first loosen the bolts 33 to separate them from the sleeve 2. This allows the lifting tube 3 to slide freely within the sleeve 2. After adjusting the lifting tube 3 to the desired height, tighten the bolts 33 until they abut against the sleeve 2, firmly securing the lifting tube 3 to the sleeve 2 and ensuring the stability of the screen frame during use. This completes the adjustment of the screen frame's protective height.
[0036] During installation, the connecting shafts 31 at both ends of the lower long side fan 8 are slidably connected in the support grooves 29 to achieve quick installation of the lower long side fan 8; during disassembly, the lower long side fan 8 is lifted upward to disengage the connecting shafts 31 from the support grooves 29 to complete the disassembly of the lower long side fan 8 and the upper long side fan 9.
[0037] When it is necessary to lock the upper long side sash 9, the upper long side sash 9 is rotated around the hinge 10 to a suitable position, so that the lock column 20 is slidably connected in the fixing hole 16 to achieve locking of the upper long side sash 9; when it is necessary to unlock the upper long side sash 9, the U-shaped rod 19 is manually operated to pull the lock column 20 out of the fixing hole 16, and the upper long side sash 9 can be rotated around the hinge 10 to open.
[0038] When installing the upper pressure rod 11, place the upper pressure rod 11 on the U-shaped block 21. A fixing sleeve 24 is fixed to the upper end of the upper pressure rod 11. A limiting column 25 is slidably connected inside the fixing sleeve 24. The limiting column 25 is slidably connected to the positioning hole 23, so that the upper pressure rod 11 can be quickly installed; when disassembling, manually operate the handle 27 (the handle 27 is fixed on the limiting column 25, and the handle 27 is located in the notch 26 at the upper end of the fixing sleeve 24), pull the limiting column 25 out of the positioning hole 23, and the upper pressure rod 11 can be removed from the U-shaped block 21.
[0039] Place the item in the limiting groove 14 of the support seat 13, then adjust the locking position of the upper long side fan 9 according to the height and shape of the item, and install the upper pressure rod 11 so that the upper pressure seat 12 at the bottom of the upper pressure rod 11 is pressed on the item. There are multiple upper pressure grooves at the bottom of the upper pressure seat 12. By combining the upper pressure grooves with the limiting grooves 14, the auto parts can be accurately limited to prevent them from moving or colliding during transportation or storage.
[0040] Example 2 Reference Figure 7 The present embodiment differs from the first embodiment in that the connection mechanism includes a plurality of locking holes 34 provided through the lifting tube 3, a slidably provided locking pin 36 is provided through the sleeve 2, a spring 35 is fixed to the locking pin 36, the other end of the spring 35 is fixedly connected to the sleeve 2, and the locking pin 36 extends into different locking holes 34, thereby being able to fix the lifting tube 3 at different heights within the sleeve 2; To adjust the screen frame height, the locking pin 36 is pulled outward to disengage the current locking hole 34, allowing the lift tube 3 to slide within the casing 2. Once the lift tube 3 is adjusted to the desired height, the locking pin 36 is released. Under the elastic force of the spring 35, the locking pin 36 automatically inserts into the corresponding locking hole 34, securing the lift tube 3 at a different height within the casing 2. Compared to Example 1, this method provides greater stability in securing the lift tube 3, further ensuring the stability of the screen frame.
[0041] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. A multi-purpose folding screen frame, comprising four support seats (1), characterized in that: The upper ends of the four support seats (1) are all fixed with sleeves (2), and a lifting tube (3) is slidably connected in the sleeve (2). The lifting tube (3) and the sleeve (2) are connected via a connecting mechanism. A bracket (7) is fixed on the four support seats (1) and the four sleeves (2). A short side fan (4) welded to the lifting tubes (3) on both sides is provided along the width direction of the bracket (7). A detachable lower long side fan ( 8), the lower long side fan (8) is hingedly connected to an upper long side fan (9) that can be locked on the lifting tube (3), a steel plate (15) is placed on the bracket (7), two support seats (13) are welded on the steel plate (15), and a plurality of limit grooves (14) are provided on the support seat (13), and the two short side fans (4) are connected to a detachable upper pressure rod (11), and an upper pressure seat (12) is fixed to the bottom of the upper pressure rod (11), and a plurality of upper pressure grooves are provided on the bottom of the upper pressure seat (12).
2. The multi-purpose folding screen frame according to claim 1, characterized in that: A fixing block (5) is fixed on the bracket (7), and the fixing block (5) abuts against the lower end outer wall of the short side sash (4).
3. The multi-purpose folding screen frame according to claim 1, characterized in that: A plurality of hinges (10) are fixed on the lower long side sash (8), and the plurality of hinges (10) are fixedly connected to the upper long side sash (9).
4. The multi-purpose folding screen frame according to claim 1, characterized in that: Two L-shaped blocks (28) are welded and fixed on the lifting tube (3), and a support groove (29) is provided on the L-shaped block (28). Connecting shafts (31) are welded on both ends of the lower long side fan (8), and the connecting shafts (31) are slidably connected in the support groove (29).
5. The multi-purpose folding screen frame according to claim 1, characterized in that: The lifting tube (3) is provided with a fixing hole (16), a connecting plate (17) is welded to the upper long side fan (9), a guide sleeve (18) is welded to the connecting plate (17), a locking column (20) is slidably connected in the guide sleeve (18), the locking column (20) passes through the upper long side fan (9) and is slidably connected thereto, the locking column (20) is slidably connected in the fixing hole (16), a U-shaped rod (19) is fixed to the locking column (20), and both ends of the U-shaped rod (19) are located on both sides of the guide sleeve (18).
6. The multi-purpose folding screen frame according to claim 1, characterized in that: A U-shaped block (21) is fixed on the short side fan (4), and rectangular short tubes (22) are welded on the U-shaped block (21) and the short side fan (4). A positioning hole (23) is penetrated through the rectangular short tube (22). The upper pressure rod (11) is placed on the U-shaped block (21), and a fixing sleeve (24) is fixed to the upper end of the upper pressure rod (11). A limiting column (25) is slidably connected in the fixing sleeve (24), and the limiting column (25) is slidably connected in the positioning hole (23).
7. The multi-purpose folding screen frame according to claim 6, characterized in that: A notch (26) is provided at the upper end of the fixing sleeve (24), a handle (27) is slidably connected in the notch (26), and the handle (27) is fixed on the limiting column (25).
8. The multi-purpose folding screen frame according to claim 1, characterized in that: The short side fans (4), the lower long side fans (8), and the upper long side fans (9) are all in the shape of a frame formed by welding stainless steel rectangular tubes, and the short side fans (4), the lower long side fans (8), and the upper long side fans (9) are all installed with diamond mesh sheets (30).
9. The multi-purpose folding screen frame according to claim 1, characterized in that: The connecting mechanism comprises a strip groove (32) provided through the sleeve (2); a bolt (33) is threadedly connected to the lifting tube (3); and the bolt (33) is tightened to abut against the sleeve (2), thereby fixing the lifting tube (3) on the sleeve (2).
10. The multi-purpose folding screen frame according to claim 1, characterized in that: The connecting mechanism comprises a plurality of locking holes (34) passing through the lifting tube (3); a slidably arranged locking pin (36) passing through the sleeve (2); a spring (35) being fixed to the locking pin (36); the other end of the spring (35) being fixedly connected to the sleeve (2); and the locking pin (36) extending into different locking holes (34) to fix the lifting tube (3) at different heights in the sleeve (2).