CN215721509U

CN215721509U - Section bar assembling structure for composite air pipe connecting pipe flange

Info

Publication number: CN215721509U
Application number: CN202121713447.5U
Authority: CN
Inventors: 程兵
Original assignee: Zhejiang Xinyuan Purification Equipment Co ltd
Current assignee: Zhejiang Xinyuan Purification Equipment Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-01
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a section bar assembling structure for a composite air pipe connecting flange, relates to a connecting flange, aims to solve the problem of poor supporting and reinforcing effects on a composite air pipe, and adopts the technical scheme that: the utility model provides a section bar package assembly for compound tuber pipe flange, includes four end to end's section bar that enclose into the rectangle frame structure, and is adjacent be provided with connection structure between the contained angle of section bar, connection structure includes laminating portion to and diagonal angle supporting part, laminating portion terminal surface orthophoria is the right angle structure, and imbeds in the interior contained angle of adjacent section bar, two sections of laminating portion laminate respectively in the inner wall of adjacent section bar to be provided with self-tapping screw and fix, diagonal angle supporting part sets up in the middle part of laminating portion length direction, and the terminal surface orthophoria is two sections that the straight line supported laminating portion. The section bar assembling structure for the composite air pipe connecting flange not only is efficient and convenient to assemble, but also realizes supporting and reinforcing of the composite air pipe.

Description

Section bar assembling structure for composite air pipe connecting pipe flange

Technical Field

The utility model relates to a pipe connecting flange, in particular to a section bar assembling structure for a composite air pipe connecting flange.

Background

The composite air pipe is an important component of a modern indoor purification system and is roughly divided into a color steel plate composite air pipe, a phenolic aldehyde composite air pipe, a glass magnesium composite air pipe, an antibacterial and mildewproof composite air pipe, a double-layer spiral air pipe and a stainless steel air pipe according to materials and functional characteristics.

The pipe connecting flange structure is used for the composite air pipe and is used for connecting two adjacent pipes, the concrete structure of the pipe connecting flange structure in the prior art is shown in fig. 7 and comprises two end part covering frames 91 fixed at two ends of the composite air pipe respectively, turning edges 92 are arranged on four sides of each end part covering frame 91, after the two end part covering frames 91 of the adjacent composite air pipe are in butt joint, the turning edges 92 of the two end part covering frames form a clamped structure 93 with a T-shaped cross section, and connecting strips 94 are inserted into the clamped structure 93 in an interference mode.

Four section bars of a composite air pipe in the prior art are generally fixed on the composite air pipe respectively, and are sealed and reinforced by glue to realize the connection of the four section bars into a complete frame-shaped structure, and the problem that the support and reinforcement effect of the composite air pipe is poor due to the fact that a pipe connecting flange is assembled in a passive mode is found in practical application; therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a section assembly structure for a composite air pipe connecting flange, which is more efficient and convenient to assemble and can support and reinforce a composite air pipe.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a section bar package assembly for compound tuber pipe flange, includes four end to end's section bar that enclose into the rectangle frame structure, and is adjacent be provided with connection structure between the contained angle of section bar, connection structure includes laminating portion to and diagonal angle supporting part, laminating portion terminal surface orthophoria is the right angle structure, and imbeds in the interior contained angle of adjacent section bar, two sections of laminating portion laminate respectively in the inner wall of adjacent section bar to be provided with self-tapping screw and fix, diagonal angle supporting part sets up in the middle part of laminating portion length direction, and the terminal surface orthophoria is two sections that the straight line supported laminating portion.

By adopting the technical scheme, the connecting structure is adopted to firstly assemble the four sectional materials into the pipe connecting flange with a complete rectangular frame structure, and then the assembled pipe connecting flange is integrally installed at the end part of the composite air pipe, compared with the method of installing the four sectional materials one by one, the pipe connecting flange is more suitable for the flow line production of a workshop on the one hand, and the assembling efficiency and the convenience are effectively improved, and on the other hand, the pipe connecting flange has a stable rectangular frame structure, so that the composite air pipe is reinforced, the structural strength of the composite air pipe is effectively improved, and the pipe connecting flange is more suitable for the application of composite air pipes with lower self strength, such as phenolic aldehyde composite air pipes, glass magnesium composite air pipes, antibacterial and mildewproof composite air pipes and the like; the connecting structure specifically connects the adjacent sectional materials in a way that two sections of the attaching part are respectively attached to the inner walls of the two sectional materials, so that the relative and back-to-back folding of the two sectional materials is limited, the attaching part and the two sectional materials are fixed by the tapping screw, so that the two sectional materials are limited linearly, the two adjacent sectional materials are fixed by combining the two points, the diagonal support part is additionally arranged to play a role of a reinforcing rib, and the capacity of resisting the relative folding of the two sectional materials is improved (because the end surfaces of the two sectional materials are attached, the two sectional materials have stronger capacity of resisting back-to-back folding); to sum up, utilize connection structure to assemble four section bars into complete rectangle frame structure and carry out the assembly of compound tuber pipe again, not only the assembly is more high-efficient convenient, realizes moreover that the support to compound tuber pipe is consolidated, effectively improves the structural strength of compound tuber pipe, and connection structure is small and exquisite, simple structure and joint strength are reliable.

The utility model is further configured to: the section bar is provided with a clamping plate for clamping and connecting the composite air pipe, the edge of the clamping plate is provided with a gradient edge, the bottom of the attaching part is provided with a hook plate with a U-shaped section, the hook plate is hooked on the gradient edge, and the self-tapping screw is arranged above the diagonal support part.

By adopting the technical scheme, the section bar is connected with the composite air pipe by utilizing the clamping plate, which is a conventional technical means in the prior art, on the basis, the inner side structure of the clamping plate is optimized, and the gradient edge for hooking the hook plate of the attaching part is additionally arranged, so that the limiting effect of the attaching part on the two section bars is improved, and the positioning of the attaching part is realized to effectively improve the assembling precision; the self-tapping screw is limited in the arrangement position, so that the lower part of the attaching part hooks the section bar, and the upper part of the self-tapping screw is fixed to form the combined connecting structure, and the convenience in assembling the attaching part and the section bar is effectively improved on the premise of ensuring the connection strength with the section bar.

The utility model is further configured to: the side wall of the end part of the hook plate is turned and folded to form an embedded block, and the gradient edge is provided with an embedded groove for embedding the embedded block.

Through adopting above-mentioned technical scheme, further optimize the structure that colludes board and gradient are followed, form the gomphosis of abaculus and caulking groove, make laminating portion further restrict the axial of section bar on the one hand, on the other hand realizes the preliminary connection of laminating portion when the section bar, avoids self-tapping screw to take place the skew at the in-process laminating portion of twisting and section bar to establish for self-tapping screw twists and provide convenience.

The utility model is further configured to: and after the attaching part is cut twice, the attaching part is punched to form a diagonal supporting part.

Through adopting above-mentioned technical scheme, adopt the mode that the cutting combines the punching press to form diagonal bracing portion on laminating portion, compare with processing diagonal bracing portion and laminating portion again with the welded mode alone, not only save material improves the convenience of production connection structure moreover.

The utility model is further configured to: and a length allowance folded angle is punched and formed at the midpoint of the diagonal supporting part.

By adopting the technical scheme, the diagonal support part is folded while being formed by punching, so that the length allowance of the diagonal support part is eliminated, the diagonal support part is ensured to be a straight line to support two sections of the joint part, and a more stable triangular structure is formed.

The utility model is further configured to: follow the outer dog-ear of laminating portion is provided with cutting plane, the joint groove has been seted up to cutting plane, the joint groove joint has the rubber strip, rubber strip butt in the interior contained angle of adjacent section bar.

Through adopting above-mentioned technical scheme, cutting plane and joint groove are add to laminating portion, provide a mounted position for the installation rubber strip on the one hand to utilize the rubber strip to support the interior contained angle of adjacent section bar, and then improve the connection leakproofness of adjacent section bar, on the other hand reduces the material thickness of the main line of buckling when stamping forming diagonal bracing portion, thereby facilitates for stamping forming diagonal bracing portion.

The utility model is further configured to: and the part of the rubber strip embedded in the clamping groove is spliced with a hard steel column.

Through adopting above-mentioned technical scheme, utilize the part of stereoplasm steel column support rubber strip embedding joint groove, ensure the joint intensity in rubber strip and joint groove on the one hand, on the other hand supports the whole length direction of rubber strip to avoid setting up the diagonal bracing portion because of laminating portion and have the suspension section, and the rubber strip that leads to this region can't closely support the contained angle tightly in adjacent section bar.

In conclusion, the utility model has the following beneficial effects: the four sectional materials are assembled into a complete rectangular frame structure by using the connecting structure, and then the composite air pipe is assembled, so that the assembly is more efficient and convenient, the support and reinforcement of the composite air pipe are realized, the structural strength of the composite air pipe is effectively improved, and the connecting structure is small and exquisite, has a simple structure and is reliable in connecting strength; the inner side structure of the clamping plate is optimized, and the gradient edge for hooking the hook plate of the attaching part is additionally arranged, so that the limiting effect of the attaching part on two sectional materials is improved, and the positioning of the attaching part is realized, and the assembling precision is effectively improved; the arrangement position of the self-tapping screw is limited, so that the combined connecting structure that the section is hooked below the attaching part and the self-tapping screw above the attaching part is fixed is realized, and the assembling convenience of the attaching part and the section is effectively improved on the premise of ensuring the connecting strength with the section; the embedding of the embedding block and the embedding groove is formed, so that the attaching part further limits the axial direction of the section bar on one hand, and the pre-connection of the attaching part when the attaching part is preliminarily connected to the section bar is realized on the other hand; the diagonal support part is formed on the attaching part in a cutting and stamping combined mode, so that materials are saved, and the convenience of producing the connecting structure is improved; when the diagonal support part is formed by punching, the length allowance of the diagonal support part is eliminated by folding the diagonal support part, so that the diagonal support part is ensured to be in a straight line to support two sections of the joint part, and a more stable triangular structure is formed; the joint part is additionally provided with the cutting plane and the clamping groove, so that on one hand, a mounting position is provided for mounting the rubber strip, the rubber strip is abutted against the inner included angle of the adjacent sectional material, the connection sealing performance of the adjacent sectional material is further improved, on the other hand, the material thickness of a main bending line during the punch forming of the diagonal support part is reduced, and convenience is provided for the punch forming of the diagonal support part; utilize stereoplasm steel column to support the part of rubber strip embedding joint groove, ensure the joint intensity in rubber strip and joint groove on the one hand, on the other hand supports the whole length direction of rubber strip.

Drawings

FIG. 1 is a schematic structural view of a section bar of the present application for assembling a male flange frame of a pipe joint;

FIG. 2 is a schematic structural diagram of a section bar of the present application for assembling a pipe joint flange female frame;

FIG. 3 is an exploded view of the present application taken from one corner of the flange frame;

FIG. 4 is a schematic structural view of a connection structure according to the present application;

FIG. 5 is a schematic view of the present invention before the cutting and punching operations are completed;

FIG. 6 is an enlarged view of part A of FIG. 4, mainly illustrating the mounting structure of the rubber strip;

fig. 7 is a schematic structural diagram of the prior art.

Description of the drawings: 1. a section bar; 11. a splint; 12. a gradient edge; 21. a bonding section; 22. a diagonal brace portion; 23. a self-tapping screw; 24. hooking the plate; 25. an insert block; 26. caulking grooves; 27. folding the length allowance; 28. cutting a plane; 29. a clamping groove; 30. a rubber strip; 31. a rigid steel column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A section bar package assembly for compound tuber pipe flange, as shown in fig. 1, fig. 2, shown in fig. 3, enclose into section bar 1 of rectangle frame structure including four end to end, be provided with connection structure between adjacent section bar 1's the contained angle, connection structure includes laminating portion 21 and diagonal bracing portion 22, laminating portion 21 terminal surface orthographies and is the right angle structure, and imbed in the internal included angle of adjacent section bar 1, two sections of laminating portion 21 are laminated respectively in the inner wall of adjacent section bar 1, and be provided with self-tapping screw 23 and fix, diagonal bracing portion 22 sets up in laminating portion 21 length direction's middle part, the terminal surface orthographies and is two sections of sharp support laminating portion 21.

According to the application, the connecting structure is adopted to firstly assemble the four sectional materials 1 into the pipe connecting flange with a complete rectangular frame structure, and then the assembled pipe connecting flange is integrally installed at the end part of the composite air pipe, compared with the method that the four sectional materials 1 are installed one by one, the pipe connecting flange is more suitable for the streamlined production in a workshop, the assembling efficiency and convenience are effectively improved, on the other hand, the pipe connecting flange has a stable rectangular frame structure, the composite air pipe is reinforced, the structural strength of the composite air pipe is effectively improved, and the pipe connecting flange is more suitable for application of composite air pipes with lower self strength, such as phenolic aldehyde composite air pipes, glass magnesium composite air pipes, antibacterial and mildewproof composite air pipes and the like; the connecting structure specifically connects the adjacent section bars 1 in a manner that two sections of the attaching part 21 are respectively attached to the inner walls of the two section bars 1, so that the relative and back-to-back folding of the two section bars 1 is limited, the attaching part 21 and the two section bars 1 are fixed by the tapping screws 23, so that the linear direction of the two section bars 1 is limited, the two adjacent section bars 1 are fixed by combining the two sections, the diagonal supporting parts 22 are additionally arranged to play a role of reinforcing ribs, and the capacity of resisting the relative folding of the two section bars 1 is improved (because the end surfaces of the two section bars 1 are attached, the two section bars 1 have stronger capacity of resisting back-to-back folding); to sum up, utilize connection structure to assemble four section bars 1 for complete rectangle frame structure and carrying out the assembly of compound tuber pipe again, not only the assembly is more high-efficient convenient, realizes moreover that the support to compound tuber pipe is consolidated, effectively improves the structural strength of compound tuber pipe, and connection structure is small and exquisite, simple structure and joint strength are reliable.

In order to improve the limiting effect of the attaching portion 21 on the profile 1, as shown in fig. 3, the profile 1 is integrally formed with a clamping plate 11 for clamping and connecting the composite air duct, the edge of the inner side clamping plate 11 is integrally formed with a gradient edge 12, the bottom of the attaching portion 21 is bent and formed with a hook plate 24 with a U-shaped cross section, and the hook plate 24 is hooked on the gradient edge 12; the connecting method is characterized in that the section 1 is connected with the composite air pipe by utilizing the clamping plate 11, which is a conventional technical means in the prior art, on the basis, the inner side structure of the clamping plate 11 is optimized, and the gradient edge 12 is additionally arranged for hooking the hook plate 24 of the attaching part 21, so that the limiting effect of the attaching part 21 on the two sections 1 is improved, and the positioning of the attaching part 21 is realized to effectively improve the assembling precision; it should be noted that, since the tapping screws 23 are screwed above the diagonal support portions 22 and the installation positions of the tapping screws 23 are limited, a combined connection structure in which the lower side of the attaching portion 21 hooks the profile 1 and the upper tapping screws 23 are fixed is realized, and the convenience of assembling the attaching portion 21 and the profile 1 is effectively improved on the premise of ensuring the connection strength with the profile 1.

It should be noted that, as shown in fig. 3 and 4, an insert 25 is formed by folding and forming a side wall of an end portion of the hook plate 24, and an insert groove 26 for inserting the insert 25 is formed along the gradient edge 12, so that on one hand, the attaching portion 21 further limits the axial direction of the profile 1, and on the other hand, pre-connection when the attaching portion 21 is preliminarily connected to the profile 1 is realized, and the attaching portion 21 is prevented from deviating from the profile 1 in the screwing process of the tapping screw 23, thereby providing convenience for screwing the tapping screw 23.

In order to improve the convenience of the production of the connection structure, as shown in fig. 4 and 5, the joint part 21 is cut twice and then punched to form the diagonal support part 22, so that compared with the case that the diagonal support part 22 and the joint part 21 are separately processed and then fixed in a welding manner, the material is saved, and the convenience of the production of the connection structure is improved.

In order to ensure that the diagonal brace portion 22 supports the two sections of the attaching portion 21 in a straight line, as shown in fig. 4, a length allowance folding corner 27 is stamped at a midpoint of the diagonal brace portion 22, so that the diagonal brace portion 22 is stamped and formed, and at the same time, the diagonal brace portion 22 is folded to eliminate the length allowance of the diagonal brace portion 22, so that the diagonal brace portion 22 supports the two sections of the attaching portion 21 in a straight line, and a more stable triangular structure is formed.

For the connection leakproofness of improving adjacent section bar 1, as shown in fig. 4, 5, 6, there is cutting plane 28 along the outer dog-ear cutting shaping of laminating portion 21, joint groove 29 has been seted up to cutting plane 28, joint groove 29 joint has rubber strip 30, rubber strip 30 butt in the interior contained angle of adjacent section bar 1, on the one hand, provide an installation position for installation rubber strip 30, thereby utilize rubber strip 30 to support the interior contained angle of adjacent section bar 1, and then improve the connection leakproofness of adjacent section bar 1, on the other hand reduces the material thickness of main dog-ear department when stamping forming diagonal bracing portion 22, thereby facilitate for stamping forming diagonal bracing portion 22.

In order to improve the installation strength of the rubber strip 30, as shown in fig. 4, 5 and 6, the part of the rubber strip 30 embedded in the clamping groove 29 is inserted with a hard steel column 31, so that on one hand, the clamping strength of the rubber strip 30 and the clamping groove 29 is ensured, and on the other hand, the whole length direction of the rubber strip 30 is supported, thereby avoiding that the rubber strip 30 in the region can not tightly abut against the included angle of the adjacent section bar 1 because the attaching part 21 is provided with a suspending section for the diagonal support part 22.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a section bar package assembly for compound tuber pipe flange, includes four end to end and encloses into section bar (1) of rectangle frame structure, its characterized in that: adjacent be provided with connection structure between the contained angle of section bar (1), connection structure includes laminating portion (21) to and diagonal bracing portion (22), laminating portion (21) terminal surface is looked squarely and is the right angle structure, and imbeds in the interior contained angle of adjacent section bar (1), two sections of laminating portion (21) are laminated respectively in the inner wall of adjacent section bar (1) to be provided with self-tapping screw (23) and fix, diagonal bracing portion (22) set up in laminating portion (21) length direction's middle part, and the terminal surface is looked squarely and is two sections that the straight line supported laminating portion (21).

2. The profile assembly structure for a composite air duct joint flange according to claim 1, wherein: section bar (1) is provided with splint (11) and is used for the centre gripping to connect compound tuber pipe, inboard its border of splint (11) is provided with gradient edge (12), laminating portion (21) bottom is provided with board (24) that colludes that the cross-section is the U-shaped, collude board (24) and collude and hold in gradient edge (12), self-tapping screw (23) set up in the top of diagonal bracing portion (22).

3. The profile assembly structure for a composite air duct joint flange according to claim 2, wherein: the side wall of the end part of the hook plate (24) is turned and folded to form an embedded block (25), and an embedded groove (26) for embedding the embedded block (25) is formed in the gradient edge (12).

4. The profile assembly structure for a composite air duct joint flange according to claim 1, wherein: the attaching portion (21) is punched to form a diagonal support portion (22) after two cutting.

5. The profile assembly structure for a composite air duct joint flange according to claim 4, wherein: and a length allowance dog-ear (27) is punched and formed at the middle point of the diagonal support part (22).

6. The profile assembly structure for a composite air duct joint flange according to claim 4, wherein: follow the outer dog-ear of laminating portion (21) is provided with cutting plane (28), joint groove (29) have been seted up in cutting plane (28), joint groove (29) joint has rubber strip (30), rubber strip (30) butt in the interior contained angle of adjacent section bar (1).

7. The profile assembly structure for a composite air duct joint flange according to claim 6, wherein: the rubber strip (30) is embedded into the clamping groove (29) and is spliced with a hard steel column (31).