High-strength special-shaped stainless steel square tube convenient to assemble

Abstract

The utility model relates to the technical field of stainless steel square tubes, in particular to a high-strength special-shaped stainless steel square tube convenient to assemble, which comprises a special-shaped square tube, an inserting end is arranged at one end of the special-shaped square tube, a connecting frame is arranged at the other end of the special-shaped square tube, and a connecting end is fixedly mounted on the outer side of the connecting frame. A plurality of limiting slide ways are formed in the inner wall of the connecting end, memory springs A are fixedly connected to the inner walls of the multiple limiting slide ways, and sliding sleeves are fixedly connected between the ends of the multiple memory springs A; a sliding sleeve slides along the inner side of a limiting sliding way, a memory spring A is shrunk, then an inserting end is inserted into the inner side of a connecting end, then the sliding sleeve is loosened, the sliding sleeve is pushed to be in situ through the elastic force of the memory spring A, the sliding sleeve abuts against the end of a clamping block in the reset process, the end of the clamping block is inserted into a clamping groove, and the clamping block is clamped in the clamping groove. Therefore, the connection of a plurality of special-shaped square tubes can be completed, and the connection of the plurality of special-shaped square tubes becomes more concise and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel square tubes, in particular to a high-strength special-shaped stainless steel square tube convenient for assembly. Background Technique

[0002] The special-shaped stainless steel square tube, as a kind of stainless steel special-shaped tube, refers to stainless steel tubes with other special shapes except the conventional square cross-section. And because of its excellent material properties, such as corrosion resistance, high temperature resistance, high strength and other characteristics, compared with the conventional stainless steel round tubes and square tubes, the special-shaped stainless steel square tube often has more advantages in bending and torsion resistance. Therefore, it is widely used in the construction field and is often used as structural support members of buildings, such as beams, columns, frames, etc.

[0003] When the stainless steel square tube is used as a structural support member, due to the need to bear specific loads or meet specific spatial layout requirements, it is often necessary to assemble and connect multiple special-shaped stainless steel square tubes to construct a structural system that meets the design requirements. At present, most of the connection methods of multiple special-shaped stainless steel square tubes adopt bolt connection for assembly connection. By drilling or tapping threads on the special-shaped stainless steel square tube, and then using fasteners such as bolts and nuts to connect multiple pipe segments together. However, before bolt connection, it is necessary to ensure that accessories such as bolts, nuts, and gaskets are complete, and these accessories need to be cleaned and inspected to ensure that they are not damaged or rusted, which increases the complexity and time cost of the preliminary preparation work, resulting in low installation and connection efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-strength special-shaped stainless steel square tube convenient for assembly, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a high-strength special-shaped stainless steel square tube convenient for assembly, including: a special-shaped square tube, one end of the special-shaped square tube is provided with a plug-in end, the other end of the special-shaped square tube is provided with a connecting frame, a connecting end is fixedly installed on the outer side of the connecting frame, a plurality of limiting sliding grooves are opened on the inner wall of the connecting end, a plurality of memory springs A are fixedly connected to the inner walls of the plurality of limiting sliding grooves, a sliding sleeve is fixedly connected between the ends of the plurality of memory springs A, the outer wall of the sliding sleeve is slidably connected to the inner wall between the plurality of limiting sliding grooves, and chutes are opened on the inner wall of the connecting end near one end of the plurality of limiting sliding grooves, and a plurality of chutes are slidably connected with clamping blocks.

[0006] Preferably, a limiting column is slidably hinged on the inner wall of one end of the connecting frame, and the end of the limiting column is fixedly connected to the outer side of the special-shaped square tube, and two tooth seats are symmetrically arranged on the other end of the connecting frame, the outer side of one of the tooth seats is fixedly connected to the end of the connecting frame, and the outer wall of the other tooth seat is fixedly connected to the outer side of the special-shaped square tube, and the teeth of the two tooth seats are engaged with each other.

[0007] Preferably, the inner walls of the two gear seats are rotatably connected to a rotating plate, a memory spring B is fixedly connected between the inner walls of the two rotating plates, the outer wall of one of the rotating plates is fixedly connected to a sleeve rod, the inner wall of the sleeve rod is provided with a plurality of limiting grooves A, the inner sides of the plurality of limiting grooves A are slidably connected to sliders, a sliding rod is fixedly connected between the outer walls of the plurality of sliders, the outer wall of the sliding rod is slidably connected to the inner wall of the sleeve rod, and the end of the sliding rod is fixedly connected to the outer wall of the other rotating plate.

[0008] Preferably, the inner walls of the plurality of slide grooves are symmetrically provided with two limit grooves B, and the inner walls of the limit grooves B are fixedly connected with memory springs C, and the tension of the memory springs C is smaller than the tension of the memory springs A, and the ends of the memory springs C can be fixedly connected with connecting blocks, the outer sides of the connecting blocks slide with the inner sides of the limit grooves B, and the outer sides of every two connecting blocks are fixedly connected with the inner wall of a clamping block.

[0009] Preferably, the outer side of the plug-in end corresponds to the inner side of the connecting end, and the inner side of the plug-in end is provided with a plurality of card slots, and the plurality of card slots respectively correspond to the outer sides of a plurality of card blocks, and the corners at both ends of the plurality of card blocks are arranged to be arc-shaped.

[0010] Preferably, a plurality of grooves are provided on the outer side of the sliding sleeve to increase the friction force on the outer side of the sliding sleeve.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When multiple special-shaped square tubes need to be assembled and connected, it is only necessary to slide the sleeve of one of the special-shaped square tubes along the inner side of the limiting slideway to shrink the memory spring A, and then insert the plug-in end of another special-shaped square tube into the inner side of the connecting end of one of the special-shaped square tubes, and then it is only necessary to loosen the sleeve, and then use the elastic force of the memory spring A to push the sleeve to quickly return to its original position. During the resetting process, the sleeve will conflict with the end of the block, so that the block can slide along the inner side of the slide groove under force, so that the other end of the block will be inserted into the slot, and when the sleeve returns to its initial position, the inner side of the sleeve will cover the port of the slide groove, and then fix the position of the block after being pressed down, so that the connection between multiple special-shaped square tubes can be completed, thereby making the connection of multiple special-shaped square tubes more simple and convenient.

[0013] 2. By moving the connecting frame along the limiting column towards the outer side of the special-shaped square tube, the two tooth seats are disengaged. Subsequently, when the two tooth seats are disengaged, the memory spring is stressed and in a stretched state. At the same time, the sliding rod also slides inside the sleeve rod, thus extending synchronously with the memory spring B, so as to limit the movement trajectory when the two tooth seats are disengaged and ensure the stability when the two tooth seats are disengaged. Then, one end of the connecting frame is hinged along the axis of the limiting column, and the other end of the connecting frame will drive one of the tooth seats to rotate synchronously. Then, the connecting frame can be used to connect multiple special-shaped square tubes at multiple angles, so as to meet the connection requirements of the special-shaped square tubes in a specific space layout, and further increase the application range of the special-shaped square tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall schematic diagram of the present utility model.

[0015] Figure 2 It is the schematic diagram of the structure of the adjusting mechanism of the present utility model.

[0016] Figure 3 It is the schematic diagram of the connection mode structure between two tooth seats of the present utility model.

[0017] Figure 4 It is the schematic diagram of the connection mode structure between the sleeve rod and the sliding rod of the present utility model.

[0018] Figure 5 It is the schematic diagram of the connection state structure between the connection end and the insertion end of the present utility model.

[0019] Figure 6 It is the schematic diagram of the cross-sectional structure of the connection end of the present utility model at various angles.

[0020] Figure 7 It is the three-dimensional schematic diagram of the sliding sleeve of the present utility model.

[0021] The meanings of each label in the figure are as follows:

[0022] 1. Special-shaped square tube; 2. Insertion end; 3. Connecting frame; 4. Connection end; 5. Limiting slideway; 6. Memory spring A; 7. Sliding sleeve; 8. Chute; 9. Block; 10. Limiting column; 11. Tooth seat; 12. Rotating plate; 13. Memory spring B; 14. Sleeve rod; 15. Limiting groove A; 16. Slide block; 17. Sliding rod; 18. Limiting groove B; 19. Memory spring C; 20. Connecting block; 21. Card slot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1 , Figure 5 , Figure 6 and Figure 7 As shown, the purpose of this embodiment is to provide a high-strength special-shaped stainless steel square tube that is convenient for assembly, including a special-shaped square tube 1. One end of the special-shaped square tube 1 is provided with a plug-in end 2, and the other end of the special-shaped square tube 1 is provided with a connecting frame 3. A connecting end 4 is fixedly installed on the outer side of the connecting frame 3. A plurality of limiting chutes 5 are opened on the inner wall of the connecting end 4. Memory springs A6 are fixedly connected to the inner walls of the plurality of limiting chutes 5. A sliding sleeve 7 is fixedly connected between the ends of the plurality of memory springs A6. The outer wall of the sliding sleeve 7 is slidably connected to the inner wall between the plurality of limiting chutes 5. And near one end of the plurality of limiting chutes 5, chutes 8 are opened on the inner wall of the connecting end 4. A clamping block 9 is slidably connected to the inner wall of each of the plurality of chutes 8; two limiting grooves B18 are symmetrically opened on the inner wall of each of the plurality of chutes 8, and a memory spring C19 is fixedly connected to the inner wall of each of the limiting grooves B18. And the tension of the memory spring C19 is less than the tension of the memory spring A6. The ends of the memory spring C19 can be fixedly connected with connecting blocks 20. The outer sides of the connecting blocks 20 are slidably connected to the inner sides of the limiting grooves B18, and the outer sides of every two connecting blocks 20 are fixedly connected to the inner wall of a clamping block 9; A plurality of grooves are opened on the outer side of the sliding sleeve 7 to increase the friction on the outer side of the sliding sleeve 7.

[0025] In this embodiment, when it is necessary to assemble and connect multiple special-shaped square tubes 1, first slide the sliding sleeve 7 of one of the special-shaped square tubes 1 along the inner side of the limiting slide 5 to shrink the memory spring A6, and then insert the plug end 2 of another special-shaped square tube 1 into the inner side of the connecting end 4 of one of the special-shaped square tubes 1, and then just loosen the sliding sleeve 7, and then push the sliding sleeve 7 to quickly return to its original position through the elastic force of the memory spring A6. During the resetting process, the sliding sleeve 7 will conflict with the end of the block 9, and because the corners at both ends of the multiple blocks 9 are set to arc , and then when the sliding sleeve 7 contacts the end of the block 9, the block 9 can be forced to slide along the inner side of the slide groove 8, so that the other end of the block 9 will be inserted into the slot 21, and while the block 9 slides down, it will also drive the memory spring C19 to stretch through the connecting block 20, and when the sliding sleeve 7 returns to its initial position, the inner side of the sliding sleeve 7 will cover the port of the slide groove 8, and then fix the position of the block 9 after being pressed down, so that the connection between multiple special-shaped square tubes 1 can be completed, and then the connection of multiple special-shaped square tubes 1 becomes more simple and convenient.

[0026] like Figure 2 , Figure 3 and Figure 4 As shown, a limiting column 10 is slidably hinged on the inner wall of one end of the connecting frame 3, and the end of the limiting column 10 is fixedly connected to the outer side of the special-shaped square tube 1, and two tooth seats 11 are symmetrically arranged on the other end of the connecting frame 3, the outer side of one tooth seat 11 is fixedly connected to the end of the connecting frame 3, and the outer wall of the other tooth seat 11 is fixedly connected to the outer side of the special-shaped square tube 1, and the teeth of the two tooth seats 11 are engaged with each other; the inner walls of the two tooth seats 11 are rotatably connected with a rotating plate 12, and a memory spring B13 is fixedly connected between the inner walls of the two rotating plates 12, and the outer wall of one rotating plate 12 is fixedly connected with a sleeve rod 14, and the inner wall of the sleeve rod 14 is provided with a plurality of limiting grooves A15, and the inner sides of the plurality of limiting grooves A15 are slidably connected with sliders 16, and the outer walls of the plurality of sliders 16 are fixedly connected with sliding rods 17, the outer wall of the sliding rod 17 is slidably connected with the inner wall of the sleeve rod 14, and the end of the sliding rod 17 is fixedly connected with the outer wall of the other rotating plate 12.

[0027] In this embodiment, when it is necessary to adjust the angle after the connection of multiple special-shaped square tubes 1, the connection frame 3 is moved along the limit post 10 towards the outside of the special-shaped square tube 1, so that the two tooth seats 11 are disengaged. Subsequently, when the two tooth seats 11 are disengaged, the memory spring B13 will be stretched under force, and at the same time, the sliding rod 17 will also slide inside the sleeve rod 14, so as to extend synchronously with the memory spring B13, so as to limit the movement track when the two tooth seats 11 are disengaged and ensure the stability when the two tooth seats 11 are disengaged. Then, one end of the connection frame 3 is hinged along the axis of the limit post 10, and the other end of the connection frame 3 will drive one of the tooth seats 11 to rotate synchronously. At this time, since the two tooth seats 11 are in a disengaged state, and through the connection of the two ends of the memory spring B13 with the two rotating plates 12 respectively, the memory spring B13 will not be affected by the rotation of the tooth seat 11 when the tooth seat 11 rotates. Then, the connection frame can be used to connect multiple special-shaped square tubes 1 at multiple angles, thereby increasing the application range of the special-shaped square tube 1. When the angle adjustment after the connection of multiple special-shaped square tubes 1 is completed, the connection frame 3 is moved along the limit post 10 to the initial position, so that the teeth between the two tooth seats 11 are re-engaged, so as to fix the angle after the connection of multiple special-shaped square tubes 1. And the elastic force of the memory spring B13 generates a pulling force on the distance between the two tooth seats 11, which is used to reinforce the initial position where the support frame 3 is located to a certain extent.

[0028] As Figure 1 and Figure 5 shown, the outside of the insertion end 2 corresponds to the inside of the connection end 4. A plurality of card slots 21 are respectively formed on the inside of the insertion end 2, and the plurality of card slots 21 respectively correspond to the outside of a plurality of card blocks 9, and the edges at both ends of the plurality of card blocks 9 are all set to be arc-shaped.

[0029] In this embodiment, by setting that the plurality of card slots 21 respectively correspond to the outside of the plurality of card blocks 9, when the insertion end 2 is inserted into the connection end 4, the outside of the plurality of card blocks 9 can be smoothly inserted into the inside of the plurality of card slots 21 by pressing down the plurality of card blocks 9, so as to fix the state when the insertion end 2 is inserted into the connection end 4.

[0030] To sum up, the working principle of the present utility model is as follows:

[0031] First, when multiple special-shaped square tubes 1 need to be assembled and connected, the sliding sleeve 7 of one of the special-shaped square tubes 1 is first slid along the inner side of the limiting slide 5 to shrink the memory spring A6, and then the plug-in end 2 of another special-shaped square tube 1 is inserted into the inner side of the connecting end 4 of one of the special-shaped square tubes 1. Then, it is only necessary to loosen the sliding sleeve 7, and then the elastic force of the memory spring A6 pushes the sliding sleeve 7 to quickly return to its original position. During the resetting process, the sliding sleeve 7 will conflict with the end of the block 9, and because the corners at both ends of the multiple blocks 9 are set to be arc-shaped, when the sliding sleeve 7 contacts the end of the block 9, the block 9 can be forced to move along the inner side of the slide groove 8 Slide, so that the other end of the block 9 will be inserted into the slot 21, and the block 9 will drive the memory spring C19 to stretch through the connecting block 20 while sliding down, and when the sleeve 7 returns to its initial position, the inner side of the sleeve 7 will cover the port of the slide slot 8, and then fix the position of the block 9 after being pressed down, so that the connection between multiple special-shaped square tubes 1 can be completed, and then the connection between multiple special-shaped square tubes 1 becomes more simple and convenient, and then when it is necessary to adjust the angle between the multiple special-shaped square tubes 1 after connection, by moving the connecting frame 3 along the limiting column 10 toward the outside of the special-shaped square tube 1, the two tooth seats 11 are disengaged, Subsequently, when the two tooth seats 11 are disengaged, the memory spring B13 will be stressed and in a stretched state, and at the same time, the sliding rod 17 will slide on the inner side of the sleeve rod 14, thereby extending synchronously with the memory spring B13, so as to limit the moving trajectory of the two tooth seats 11 when they are disengaged, and ensure the stability of the two tooth seats 11 when they are disengaged. Then, one end of the connecting frame 3 is hinged along the axis of the limiting column 10, and the other end of the connecting frame 3 will drive one of the tooth seats 11 to rotate synchronously. At this time, since the two tooth seats 11 are in a disengaged state, and the two ends of the memory spring B13 are respectively connected to the two rotating plates 12, then it can be When the tooth seat 11 rotates, the memory spring B13 will not be affected by the rotation of the tooth seat 11, and then the multiple special-shaped square tubes 1 can be connected at multiple angles through the connecting frame, thereby increasing the application range of the special-shaped square tubes 1. When the angle adjustment between the multiple special-shaped square tubes 1 is completed, the connecting frame 3 is moved to the initial position along the limiting column 10, so that the teeth between the two tooth seats 11 are re-engaged, thereby fixing the angle between the multiple special-shaped square tubes 1 after connection, and the elastic force of the memory spring B13 generates a pulling force on the distance between the two tooth seats 11, which is used to reinforce the initial position of the support frame 3 to a certain extent.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength special-shaped stainless steel square tube that is easy to assemble, characterized in that: include: A special-shaped square tube (1), wherein one end of the special-shaped square tube (1) is provided with a plug-in end (2), and the other end of the special-shaped square tube (1) is provided with a connecting frame (3), a connecting end (4) is fixedly installed on the outer side of the connecting frame (3), a plurality of limiting slideways (5) are provided on the inner wall of the connecting end (4), a memory spring A (6) is fixedly connected to the inner walls of the plurality of limiting slideways (5), a sliding sleeve (7) is fixedly connected between the ends of the plurality of memory springs A (6), the outer wall of the sliding sleeve (7) is slidably connected to the inner wall between the plurality of limiting slideways (5), and a sliding groove (8) is provided on the inner wall of the connecting end (4) near one end of the plurality of limiting slideways (5), and a clamping block (9) is slidably connected to the inner walls of the plurality of sliding grooves (8).

2. The high-strength special-shaped stainless steel square tube that is easy to assemble according to claim 1 is characterized in that: A limiting column (10) is slidably hingedly connected to the inner wall of one end of the connecting frame (3), and the end of the limiting column (10) is fixedly connected to the outer side of the special-shaped square tube (1). Two tooth seats (11) are symmetrically arranged at the other end of the connecting frame (3), wherein the outer side of one of the tooth seats (11) is fixedly connected to the end of the connecting frame (3), and the outer wall of the other tooth seat (11) is fixedly connected to the outer side of the special-shaped square tube (1), and the teeth of the two tooth seats (11) are engaged with each other.

3. The high-strength special-shaped stainless steel square tube that is easy to assemble according to claim 2 is characterized in that: The inner walls of the two gear seats (11) are rotatably connected to a rotating plate (12), a memory spring B (13) is fixedly connected between the inner walls of the two rotating plates (12), the outer wall of one of the rotating plates (12) is fixedly connected to a sleeve rod (14), the inner wall of the sleeve rod (14) is provided with a plurality of limiting grooves A (15), the inner sides of the plurality of limiting grooves A (15) are slidably connected to sliders (16), a sliding rod (17) is fixedly connected between the outer walls of the plurality of sliders (16), the outer wall of the sliding rod (17) is slidably connected to the inner wall of the sleeve rod (14), and the end of the sliding rod (17) is fixedly connected to the outer wall of the other rotating plate (12).

4. The high-strength special-shaped stainless steel square tube that is easy to assemble according to claim 1 is characterized in that: The inner walls of the plurality of slide grooves (8) are symmetrically provided with two limit grooves B (18), and the inner walls of the limit grooves B (18) are fixedly connected with memory springs C (19), and the tension of the memory springs C (19) is less than the tension of the memory springs A (6), and the ends of the memory springs C (19) are fixedly connected with connecting blocks (20), and the outer sides of the connecting blocks (20) slide with the inner sides of the limit grooves B (18), and the outer sides of every two connecting blocks (20) are fixedly connected with the inner wall of a clamping block (9).

5. The high-strength special-shaped stainless steel square tube that is easy to assemble according to claim 1 is characterized in that: The outer side of the plug end (2) corresponds to the inner side of the connection end (4), and a plurality of card slots (21) are provided on the inner side of the plug end (2). The plurality of card slots (21) respectively correspond to the outer sides of a plurality of card blocks (9), and the corners at both ends of the plurality of card blocks (9) are arranged to be arc-shaped.

6. The high-strength special-shaped stainless steel square tube that is easy to assemble according to claim 1 is characterized in that: The outer side of the sliding sleeve (7) is provided with a plurality of grooves for increasing the friction force of the outer side of the sliding sleeve (7).

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