Anti-falling square tube

Abstract

The utility model relates to the field of pipes, in particular to an anti-falling square pipe. Comprising a square pipe body, and an inserting pipe section and an adapting pipe section are fixedly arranged at the two ends of the square pipe body respectively; the adapting pipe section can be used for adapting the inserting pipe section, and the outer contour of the radial section where the maximum appearance of the adapting pipe section is located does not exceed the outer contour of the radial section where the maximum appearance of the square pipe body is located; the adapting pipe section comprises a clamping section, a concave anti-falling groove and a convex anti-falling groove and a limiting part are arranged in a pipe of the clamping section, and the limiting part is located on the side close to a port of the adapting pipe section; an elastic blocking piece capable of changing in the radial direction is arranged on the inserting pipe section, and when the inserting pipe section and the adapting pipe section of the adjacent pipe are in butt joint oppositely, the elastic blocking piece is squeezed by the limiting part and can enter the position where the anti-disengaging groove is located in a radial shrinkage mode. The anti-falling square tube is convenient to transport and mount.

Description

Technical Field

[0001] The present application relates to the field of pipes, and in particular to an anti-falling square pipe. Background Art

[0002] The radial cross section of the square tube in the related art is roughly square. Compared with the circular tube, the square tube has a horizontal contact surface, which makes it more stable and less likely to roll when the tubes are stacked. In addition, the connection of the square tube is mostly done by adding additional parts, such as pipe clamps, etc. This installation structure is inconvenient to operate. Summary of the invention

[0003] In view of this, the present application provides an anti-falling square tube, which is easy to transport and install.

[0004] In order to achieve the above objectives, this application is implemented through the following technical solutions:

[0005] An anti-drop square tube, characterized in that: it comprises a square tube body, and an inserting tube section and a receiving tube section are fixedly arranged at both ends of the square tube body; the receiving tube section can receive the inserting tube section, and the outer contour of the radial cross section at the maximum shape of the receiving tube section does not exceed the outer contour of the radial cross section at the maximum shape of the square tube body;

[0006] The receiving pipe section comprises a clamping section, and a concave and convex anti-dropping groove and a limiting portion are arranged in the pipe of the clamping section, and the limiting portion is located at a side close to the port of the receiving pipe section;

[0007] The plug-in tube section is provided with a radially variable elastic blocking member. When the plug-in tube section and the receiving tube section of the adjacent pipe are butted against each other, the elastic blocking member is squeezed by the limiting portion so as to enter the position of the anti-slip groove in a radially contracted manner, and the elastic blocking member is snapped into the anti-slip groove in a radially expanded manner, thereby forming an axial contact limit with the limiting portion.

[0008] The above-mentioned application is an anti-drop square tube, in which the outer shape of the receiving tube section does not exceed the outer shape of the square tube body, so that the horizontal contact surface of the square tube body is not damaged, the tubes have good stability during stacking and installation, and are more convenient to transport. In addition, an elastic blocking member is provided on the plug-in tube section, and the elastic blocking member can change radially. When adjacent tubes are docked, the elastic blocking member can be pressed into the anti-drop groove to form an axial top contact limit to solve the problem of inconvenient installation of existing tubes.

[0009] In some embodiments, the outer contour of the clamping section is square, wherein the four limiting parts are respectively arranged at the four corners of the clamping section tube, and the elastic blocking member comprises a main body portion that can be fixedly connected to the plug-in tube, and four elastic blades fixedly formed on the main body portion and respectively clamped with the four limiting parts. The outer shape of the clamping section is also square, which can maintain the overall consistency of the pipe, and the contact area between the square pipe and the ground will be larger, and the placement will be more stable.

[0010] In some embodiments, the elastic blade is inclined toward the side of the port away from the receiving tube section during the outward extension process, the main body is separately provided with the plug-in tube, and an anti-rotation structure is provided between the plug-in tube section and the main body to limit the circumferential rotation of the two. The elastic blade is inclined toward the side of the port away from the plug-in tube section so that it is easier to shrink when under pressure. The anti-rotation structure is provided to prevent the elastic blade from rotating and to prevent the elastic blade from being unable to be inserted into the receiving tube section.

[0011] In some embodiments, the anti-rotation structure includes a boss and a first groove that forms a circumferential clamping connection with the boss, the boss is provided in one of the plug-in tube section and the main body, and the first groove is provided in the other of the plug-in tube section and the main body. Preferably, the boss is provided on the outer peripheral wall of the plug-in tube section, the number is more than two and they are axially spaced; the first groove is provided on the inner annular wall of the main body, and the position of the first groove is finally located in the area where the elastic blade is located, because the elastic blade is provided in this area, so the force will be better.

[0012] In some embodiments, the first groove is closed at both axial ends to prevent the main body from moving axially.

[0013] In some embodiments, the main body is a C-shaped structure or is formed by connecting two or more arc-shaped units. The main body is C-shaped and can be installed on the plug-in pipe section through the notch of the C-shape during installation. When two or more arc-shaped units are connected, bolt connection or snap connection can be used.

[0014] In some embodiments, the connection positions of two adjacent arc-shaped units are distributed in the area where the elastic blades are located, so as to ensure better force bearing.

[0015] In some embodiments, the plug-in pipe section is further provided with a sealing installation portion for installing a sealing ring, and the receiving pipe section further includes a sealing section capable of forming a sealing connection with the sealing ring. The sealing ring is mainly provided to ensure the sealing of the pipe connection.

[0016] In some embodiments, a guiding slope is further provided at the port of the receiving pipe section. The guiding slope is provided to facilitate the introduction of the spigot pipe section into the plug-in pipe section.

[0017] It can be seen from the above technical solution that the present application has at least the following advantages and positive effects:

[0018] The invention relates to an anti-dropping square tube, in which the outer shape of the receiving tube section does not exceed the outer shape of the square tube body, so that the horizontal contact surface of the square tube body is not damaged, the tubes have good stability during stacking and installation, and are more convenient to transport. In addition, an elastic blocking member is provided on the plug-in tube section, and the elastic blocking member can change radially. When adjacent tubes are butt-jointed, the elastic blocking member can be pressed into the anti-dropping groove to form an axial top contact limit, so as to solve the problem of inconvenient installation of existing tubes.

[0019] In the present application, the elastic blade is inclined toward the side away from the port of the plug-in pipe section so that the elastic blade can be more easily contracted when under pressure. The anti-rotation structure is provided to prevent the elastic blade from rotating and deviating, so as to prevent the elastic blade from being unable to be inserted into the receiving pipe section. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment of the present application;

[0021] Figure 2 An exploded view of an embodiment of the present application;

[0022] Figure 3 This is a structural diagram of an elastic blocking member in an embodiment of the present application;

[0023] Figure 4 This is an installation diagram of an embodiment of the present application.

[0024] Explanation of reference numerals: 1. square tube body; 2. plug-in tube section; 21. boss; 22. sealing installation portion; 3. receiving tube section; 31. clamping section; 311. anti-slip groove; 312. limiting portion; 313. guide slope; 32. sealing section; 4. elastic blocking member; 41. main body; 42. elastic blade; 43. first groove; 5. sealing ring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings. The terms used in the implementation method of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application.

[0026] See also Figures 1 to 4 The embodiment of the present application provides an anti-dropping square tube, comprising a square tube body 1, wherein both ends of the square tube body 1 are respectively fixedly provided with an inserting tube section 2 and a receiving tube section 3; the receiving tube section 3 can receive the inserting tube section 2, and the outer contour of the radial cross section at the maximum shape of the receiving tube section 3 does not exceed the outer contour of the radial cross section at the maximum shape of the square tube body 1;

[0027] The receiving pipe section 3 includes a clamping section 31, and a concave and a convex anti-drop groove 311 and a limit portion 312 are provided in the pipe of the clamping section 31. The limit portion 312 is located at a side close to the port of the receiving pipe section 3.

[0028] A radially variable elastic blocking member 4 is provided on the plug-in pipe section 2. When the plug-in pipe section 2 and the receiving pipe section 3 of the adjacent pipe are butted against each other, the elastic blocking member 4 is squeezed by the limiting portion 312 so as to enter the position of the anti-slip groove 311 in a radially contracted manner, and the elastic blocking member 4 is radially expanded to be stuck in the anti-slip groove 311, thereby forming an axial contact limit with the limiting portion 312.

[0029] In the clamping square tube, the outer shape of the receiving tube section 3 does not exceed the outer shape of the square tube body 1, so that the horizontal contact surface of the square tube body 1 is not damaged, the tubes have good stability during stacking and installation, and are more convenient to transport. In addition, an elastic blocking member 4 is provided on the plug-in tube section 2, and the elastic blocking member 4 can change radially. When adjacent tubes are butt-jointed, the elastic blocking member can be pressed into the anti-slip groove 311 to form an axial top contact limit, so as to solve the problem of inconvenient installation of existing tubes.

[0030] In some embodiments, the outer contour of the clamping section 31 is square, wherein the four limiting portions 312 are respectively arranged at the four corners of the clamping section 31 tube, and the elastic blocking member 4 includes a main body portion 41 that can be fixedly connected to the plug-in tube, and four elastic blades 42 that are fixedly formed on the main body portion 41 and are respectively clamped with the four limiting portions 312. The outer shape of the clamping section 31 is also square, which can maintain the overall consistency of the pipe, and the contact area between the square pipe and the ground will be larger, and the placement will be more stable.

[0031] In some embodiments, the elastic blades 42 are inclined toward the side of the port away from the receiving pipe section 3 during the outward extension process, the main body 41 is separately provided with the plug-in pipe section 2, and an anti-rotation structure is provided between the plug-in pipe section 2 and the main body 41 to limit the circumferential rotation of the two. The elastic blades 42 are inclined toward the side of the port away from the plug-in pipe section 2 so that they can be more easily contracted when under pressure. The anti-rotation structure is provided to prevent the elastic blades 42 from rotating and to prevent the elastic blades 42 from being unable to be inserted into the receiving pipe section 3. In a preferred embodiment, the elastic blocking member 4 adopts a split structure, the purpose of which is to reduce the difficulty of processing the pipe itself. Moreover, the elastic blocking member 4 is an accessory and can be replaced later.

[0032] In some embodiments, the anti-rotation structure includes a boss 21 and a first groove 43 that forms a circumferential clamping connection with the boss 21, the boss 21 is provided in one of the plug-in tube section 2 and the main body 41, and the first groove 43 is provided in the other of the plug-in tube section 2 and the main body 41. Preferably, the boss 21 is provided on the outer peripheral wall of the plug-in tube section 2, the number is more than two and they are axially spaced; the first groove 43 is provided on the inner annular wall of the main body 41, and the position of the first groove 43 is finally located in the area where the elastic blade 42 is located, because the elastic blade 42 is provided in this area, so that the force will be better.

[0033] In some embodiments, the first groove 43 is closed at both axial ends to prevent the main body 41 from moving axially.

[0034] In some embodiments, the main body 41 is a C-shaped structure or is formed by connecting two or more arc-shaped units. The main body 41 is C-shaped and can be installed on the plug-in pipe section 2 through the C-shaped notch position during installation. When two or more arc-shaped units are connected, bolt connection or snap connection can be used.

[0035] In some embodiments, the connection positions of two adjacent arc-shaped units are distributed in the area where the elastic blades 42 are located, so as to ensure better force.

[0036] In some embodiments, the plug-in pipe section 2 is further provided with a sealing installation portion 22 for installing a sealing ring 5, and the receiving pipe section 3 further includes a sealing section 32 that can form a sealing connection with the sealing ring 5. The sealing ring 5 is mainly provided to ensure the sealing of the pipe connection.

[0037] In some embodiments, a guiding slope 313 is further provided at the port of the receiving pipe section 3. The guiding slope 313 is provided to facilitate the introduction of the plug-in pipe section into the plug-in pipe section 2. The square tube can be a corrugated tube or other pipe material, which can be used for sewage discharge or cable threading, and the square tube can be made of PP or PVC material.

[0038] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0039] The terms "first," "second," "third," "fourth," etc., if any, are used to distinguish between similar objects and not necessarily to describe a particular sequence or order.

[0040] In the description of the embodiments of the present application, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, rather than to limit them. Although the embodiments of the present application have been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An anti-falling square tube, characterized in that: It comprises a square tube body, and both ends of the square tube body are respectively fixedly provided with an inserting tube section and a receiving tube section; the receiving tube section can receive the inserting tube section, and the outer contour of the radial cross section at the maximum shape of the receiving tube section does not exceed the outer contour of the radial cross section at the maximum shape of the square tube body; The receiving pipe section comprises a clamping section, and a concave and convex anti-dropping groove and a limiting portion are arranged in the pipe of the clamping section, and the limiting portion is located at a side close to the port of the receiving pipe section; The plug-in tube section is provided with a radially variable elastic blocking member. When the plug-in tube section and the receiving tube section of the adjacent pipe are butted against each other, the elastic blocking member is squeezed by the limiting portion so as to enter the position of the anti-slip groove in a radially contracted manner, and the elastic blocking member is snapped into the anti-slip groove in a radially expanded manner, thereby forming an axial contact limit with the limiting portion.

2. The anti-falling square tube according to claim 1, characterized in that: The outer contour of the clamping section is square, wherein four limiting parts are respectively arranged at the four corners of the clamping section tube, and the elastic blocking member includes a main body portion that can be fixedly connected to the plug-in tube, and four elastic blades fixedly formed on the main body portion and respectively clamped with the four limiting parts.

3. The anti-falling square tube according to claim 2, characterized in that: The elastic blades are inclined in the direction away from the port side of the receiving pipe section during the outward extension process. The main body and the plug-in pipe are separately arranged, and an anti-rotation structure is also arranged between the plug-in pipe section and the main body to limit the circumferential rotation of both.

4. The anti-falling square tube according to claim 3, characterized in that: The anti-rotation structure includes a boss and a groove that forms a circumferential clamping connection with the boss, the boss is arranged in one of the plug-in tube section and the main body, and the groove is arranged in the other of the plug-in tube section and the main body.

5. The anti-falling square tube according to claim 4, characterized in that: The groove is closed at both axial ends.

6. The anti-falling square tube according to claim 2, characterized in that: The main body is a C-shaped structure or is formed by connecting two or more arc-shaped units.

7. The anti-falling square tube according to claim 6, characterized in that: The connection positions of two adjacent arc-shaped units are distributed in the area where the elastic blades are located.

8. The anti-falling square tube according to claim 1, characterized in that: The inserting pipe section is also provided with a sealing installation portion for installing a sealing ring, and the receiving pipe section also includes a sealing section that can form a sealing connection with the sealing ring.

9. The anti-falling square tube according to claim 1, characterized in that: A guiding slope is also arranged at the port of the receiving pipe section.

10. The anti-falling square tube according to claim 1, characterized in that: The square tube body is integrally arranged with the inserting tube section and the receiving tube section.

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