CN218118841U - T-shaped connecting piece - Google Patents

Abstract

The utility model provides a T-shaped connecting piece, which comprises two first connecting bodies arranged in parallel and a second connecting body for connecting the two first connecting bodies; the first connecting body comprises a first connecting plate, a second connecting plate and a third connecting plate, two side edges of one end of the first connecting plate are fixedly connected with the second connecting plate and the third connecting plate respectively, and the first connecting plate, the second connecting plate and the third connecting plate are positioned on the same horizontal plane or in planes which are basically parallel to each other to form a T-shaped structure; the first connecting plate is provided with a first connecting hole along the height direction, and the second connecting plate and the third connecting plate are respectively provided with a second connecting hole and a third connecting hole along the width direction; a first mounting groove, a second mounting groove and a third mounting groove are correspondingly formed between two first connecting plates, between two second connecting plates and between two third connecting plates of the two first connecting bodies respectively. The utility model discloses can improve the convenience of assembled continuous support system erection joint.

Description

T-shaped connecting piece

Technical Field

The utility model relates to a building auxiliary facilities technical field, in particular to T type connecting piece.

Background

The pipeline bracket system can be used for supporting various pipelines and pipelines, and has important significance in indoor installation of buildings. The existing pipeline bracket system mainly has the following two assembling modes: the first type is formed by welding traditional angle steel, channel steel and other section steel. The second is formed by splicing and welding rolled C-shaped steel.

The two assembling methods have the following defects in the actual use process: 1. the installation speed is slow, and a great deal of labor and materials are wasted; 2. the bracket system is connected by welding, so that the overall aesthetic property of the bracket system is poor; 3. paint is required to be coated on the site for protection, so that the power consumption is high, low carbon is avoided, and the environment is not protected; 4. the welding connection needs many auxiliary tools, hoisting equipment needs to be additionally arranged, the requirement on the matching degree between operators is high, and the collision accident is easy to occur in the welding process; 5. after welding is finished, the support system cannot be adjusted any more, and the phenomenon of material processing waste often occurs; 6. the pipeline of the bracket system is inconvenient to adjust in the later period, and the increase and decrease installation of the pipeline cannot be completed, particularly the increase and decrease assembly and disassembly of a continuous bracket system; 7. the rolled C-shaped steel has high manufacturing cost, is not suitable for the installation of heavy pipelines and has certain potential safety hazards; 8. the welding quality and the welding stability of the welding seam connection part of the bracket system are difficult to guarantee, and certain potential safety hazards exist.

In the prior art, some pipeline support systems adopt an assembly type support system, and the assembly type support system is formed by directly producing a shaped section bar and various connecting pieces by a factory and then delivering the shaped section bar and the connecting pieces to an installer for assembly and connection. The utility model discloses a right angle connecting piece as chinese utility model patent grant publication No. CN215759664U discloses, it includes parallel arrangement, and can with two first connecting bodies of two support matched with of enclosed construction in the support combination to and connect the second connecting body of two first connecting bodies, wherein, be provided with on the first connecting body can with first connecting portion matched with second connecting portion on the support. This patent can make the pipe support system carry out assembled erection joint through reasonable design and support matched with right angle connection spare, has improved the convenience that the pipe support system connects to a certain extent.

However, the right-angle connector of the patent can only be matched and connected with two brackets in a bracket combination closed structure (refer to the attached figures 1-3 of the patent), so when a continuous bracket system which is parallel and has the same supporting height of the pipeline needs to be arranged, the bracket system of the patent has the following two assembling modes: one is formed by arranging two or more independent bracket systems in parallel, any two adjacent bracket systems are matched and connected with a vertical bracket through a mounting seat (refer to an attached figure 2 of the patent), and the assembly mode causes that the number of the vertical brackets and the number of right-angle connecting pieces needed by the continuous bracket system are large, and the time consumed for combined installation is also long; another method is to adopt right-angle connectors and other connectors to assemble and connect the vertical brackets and the transverse brackets to form a continuous bracket system (refer to fig. 3 of the patent), and this assembly method needs to adopt right-angle connectors and other connectors to perform combined auxiliary installation, and the total number of connectors needed by the continuous bracket system is large, which results in a large number of installation procedures and long installation time. The assembly convenience of the above two assembly methods is to be improved.

And, the medial surface of two first connection bodies of this right angle connecting piece all is equipped with the arch inwards along its thick orientation of board, this arch is used for being equipped with the notched support cooperation with the periphery and is connected, can improve the stability of right angle connecting piece and vertical support and horizontal leg joint to a certain extent, but also increased the production preparation degree of difficulty of right angle connecting piece and support, and simultaneously, because the unsmooth cooperation relation between right angle connecting piece and the support, right angle connecting piece can only follow the both ends card of vertical support and go into to adjust fixedly according to actual need's mounting height again, and inconvenient direct additional installation or direct removal of right angle connecting piece in the middle of vertical support after the mounting system equipment is accomplished, there is certain restriction in the use.

Therefore, there is a need in the art to solve the above problems by developing a T-shaped connector that can connect two horizontal brackets with one vertical bracket in parallel in a fabricated continuous bracket system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a T type connecting piece to improve the convenience of assembled continuous support system erection joint.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a T-shaped connecting piece comprises two first connecting bodies arranged in parallel and a second connecting body for connecting the two first connecting bodies;

the first connecting bodies comprise first connecting plates, second connecting plates and third connecting plates, two side edges of one end of each first connecting plate are fixedly connected with the second connecting plates and the third connecting plates respectively, and the first connecting plates, the second connecting plates and the third connecting plates are positioned on the same horizontal plane or in planes which are basically parallel to each other to form a T-shaped structure;

the first connecting plate is provided with a first connecting hole along the height direction, and the second connecting plate and the third connecting plate are respectively provided with a second connecting hole and a third connecting hole along the width direction;

the left end and the right end of the second connecting body are respectively fixedly connected with the corresponding first connecting body;

a first mounting groove, a second mounting groove and a third mounting groove are respectively and correspondingly formed between the two first connecting plates, between the two second connecting plates and between the two third connecting plates of the two first connecting bodies; the first mounting groove is used for being matched and connected with a vertical support of the support system, and the first mounting groove is vertically through; the second mounting groove and the third mounting groove are used for being matched and connected with a transverse bracket of the bracket system.

Above-mentioned T type connecting piece can link to each other side by side two horizontal supports and a vertical support through a plurality of bolt structures in assembled continuous support system, and assembled support system's erection joint is convenient fast, and the total connecting piece quantity that reducible assembled continuous support system needs simultaneously reduces its total installation procedure, and from this, above-mentioned T type connecting piece can improve assembled support system erection joint's convenience.

Furthermore, the second connecting body is a connecting plate or a strip-shaped connecting piece, and the second connecting body is perpendicular to the first connecting body. Can adopt a plurality of connecting plate to fix between two first connection bodies and link to each other to improve the connection stability between two first connection bodies, also can adopt a plurality of bar connecting piece to fix and link to each other, in order to reduce the manufacturing cost of T type connecting piece.

Furthermore, the second connecting body comprises a plurality of fourth connecting plates, the fourth connecting plates are arranged between the left end parts of the two third connecting plates of the two first connecting bodies and/or between the bottom ends of the two third connecting plates, the two ends of each fourth connecting plate are fixedly connected with the corresponding third connecting plates respectively, and the fourth connecting plates are perpendicular to the third connecting plates. Under the general condition, the fourth connecting plate sets up one and can guarantees the connection stability between two first connecting bodies, therefore, can set up a fourth connecting plate between the left side tip of two third connecting plates, in order to improve the connection stability between two first connecting bodies, also can set up a fourth connecting plate between the bottom of two third connecting plates, in order to guarantee the connection stability between two first connecting bodies, can make the fourth connecting plate provide the support terminal surface for horizontal support simultaneously, can improve T type connecting piece and horizontal leg joint's convenience and stability.

Further, the height of the second connecting plate is equal to the height of the third connecting plate; the bottom end face of the second connecting plate is flush with the bottom end face of the first connecting plate, and the top end face of the second connecting plate is flush with the top end face of the third connecting plate. Set up the left and right sides in first connecting plate one end with second connecting plate and third connecting plate symmetry, can guarantee the homogeneity of both ends atress conduction about the T type connecting piece, the whole atress of the T type connecting piece of being convenient for can make the outward appearance of T type connecting piece look neat and artistic simultaneously.

Furthermore, a fourth connecting hole is formed in the fourth connecting plate in the plate thickness direction. Therefore, the fourth connecting plate can be matched and connected with the vertical bracket or the transverse bracket of the bracket system through the bolt connecting structure, and the stability of the bracket system can be further improved.

Further, the first connecting plate is provided with at least two first connecting holes at intervals along the height direction of the first connecting plate. Therefore, the T-shaped connecting piece can be connected with the vertical support of the support system through at least two groups of bolt structures, and the connection stability of the T-shaped connecting piece and the vertical support is ensured.

Furthermore, the second connecting hole and the third connecting hole are both positioned on the same horizontal line with the first connecting hole on the first connecting plate close to the bottom. Therefore, two transverse supports connected with the left end and the right end of the T-shaped connecting piece can be arranged on the same horizontal height, the uniformity of stress on the left end and the right end of the T-shaped connecting piece can be guaranteed, and meanwhile, the support system can be more neat and attractive.

Furthermore, a reinforced connecting section is arranged at the connecting position of the top end face of the second connecting plate and the corresponding first side edge of the first connecting plate; the reinforced connecting section is also arranged at the joint of the top end face of the third connecting plate and the corresponding second side edge of the first connecting plate. Therefore, the stress concentration at the joint of the top end face of the second connecting plate and the first side edge of the first connecting plate and the stress concentration at the joint of the top end face of the third connecting plate and the second side edge of the first connecting plate can be reduced, and the stress performance of the T-shaped connecting piece can be improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a T type connecting piece can be connected two horizontal supports and a vertical support side by side in assembled continuous support system, and T type connecting piece is convenient fast with the erection joint of support, and the total connecting piece quantity that reducible assembled continuous support system needs simultaneously reduces its total installation procedure, can improve assembled support system erection joint's convenience, also can reduce assembled linking bridge system's total cost to a certain extent cost.

2. The utility model discloses a T type connecting piece can make assembled continuous support system's outward appearance more neatly pleasing to the eye, can improve support system and pipe-line system's whole impression quality.

3. The utility model discloses the medial surface and the lateral surface of two first connection bodies of T type connecting piece are parallel to each other, and overall structure is simple, has the convenient advantage of preparation and installation.

Drawings

FIG. 1 is a schematic structural view of a modular continuous rack system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a modular continuous rack system according to another embodiment of the present invention;

fig. 3 is a front view of a base in an embodiment of the invention;

fig. 4 is a side view of a base in an embodiment of the invention;

fig. 5 is a top view of a base according to an embodiment of the present invention;

fig. 6 is a front view and a side view of a vertical support in an embodiment of the invention;

fig. 7 is a front view and a side view of a lateral support in an embodiment of the invention;

fig. 8 is a schematic structural view of a T-shaped connector according to an embodiment of the present invention;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a top view of FIG. 8;

fig. 11 is a schematic structural view of a right-angle connector according to an embodiment of the present invention;

FIG. 12 is a front view of FIG. 11;

fig. 13 is a top view of fig. 12.

In the figure: 1. a base; 101. a base plate; 102. a pipe body; 103. a first through hole; 104. a kidney-shaped hole; 2. a vertical support; 3. a transverse support; 4. a T-shaped connector; 5. a right angle connector; 6. a second through hole; 7. a bolt; 8. a gasket; 9. a first connecting plate; 901. a first connection hole; 902. a first side edge; 903. a second side edge; 10. a second connecting plate; 1001. a second connection hole; 11. a third connecting plate; 1101. a third connection hole; 12. a fourth connecting plate; 1201. a fourth connecting hole; 13. reinforcing the connecting section; 14. a first mounting groove; 15. a second mounting groove; 16. and a third mounting groove.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1 to 13, the present embodiment provides an assembled continuous rack system including a base 1, a vertical rack 2, a horizontal rack 3, a T-shaped connector 4, a right-angle connector 5, a bolt 7, and a spacer 8.

As shown in fig. 1-2, the number of the vertical supports 2 is 3. The top end of the vertical support 2 is fixedly connected with the base 1, and the bottom end of the vertical support is fixedly connected with the gasket 8. 3 transverse brackets 3,3 are arranged between any two vertical brackets 2 at intervals.

The transverse support 3 is fixedly connected with the vertical support 2 positioned in the middle of the support system through a first connecting piece and a bolt 7, and the first connecting piece is a T-shaped connecting piece 4. The transverse support 3 is fixedly connected with the vertical supports 2 positioned on two sides of the support system through second connecting pieces and bolts 7, and the second connecting pieces are T-shaped connecting pieces 4 or right-angle connecting pieces 5.

As shown in fig. 3-5, the base 1 includes a bottom plate 101 and a tube 102, and a bottom end of the tube 102 is fixedly connected to a middle portion of a top end surface of the bottom plate 101. The pipe body 102 is a square pipe, and two sets of first through holes 103 are arranged on one set of opposite sides of the pipe body 102 in a penetrating manner along the length direction of the opposite sides. A waist-shaped hole 104 is formed at both left and right end portions of the bottom plate 101 in a penetrating manner along the plate thickness direction. The base 1 is made of steel.

As shown in fig. 6, the vertical support 2 is a square tube, and two sets of opposite sides of the vertical support 2 are provided with a plurality of sets of second through holes 6 along the length direction thereof. As shown in fig. 7, the transverse support 3 is a square tube, and two sets of opposite sides of the transverse support 3 are provided with a plurality of sets of second through holes 6 along the length direction thereof. The vertical support 2 and the transverse support 3 are made of steel.

As shown in fig. 8 to 10, the T-shaped connector 4 includes two first connector bodies arranged in parallel, and a second connector body connecting the two first connector bodies.

The first connection bodies each comprise a first connection plate 9, a second connection plate 10 and a third connection plate 11. Two side edges of one end of the first connecting plate 9 are fixedly connected with the second connecting plate 10 and the third connecting plate 11 respectively, and the first connecting plate 9, the second connecting plate 10 and the third connecting plate 11 are located in the same horizontal plane to form a T-shaped structure.

The first connection plate 9 has a first connection hole 901 along a height direction thereof, and the second connection plate 10 and the third connection plate 11 have a second connection hole 1001 and a third connection hole 1101 along a width direction thereof, respectively. The left end and the right end of the second connecting body are fixedly connected with the corresponding first connecting bodies respectively.

A first mounting groove 14, a second mounting groove 15 and a third mounting groove 16 are respectively and correspondingly formed between the two first connecting plates 9, the two second connecting plates 10 and the two third connecting plates 11 of the two first connecting bodies. The first mounting groove 14 is used for being matched and connected with the vertical support 2 of the support system, and the first mounting groove 14 is a vertically through mounting groove. The second mounting groove 15 and the third mounting groove 16 are used for being matched and connected with the transverse bracket 3 of the bracket system.

The first connecting plate 9 has two first connecting holes 901 spaced apart from each other along the height direction thereof. Therefore, the T-shaped connecting piece can be connected with the vertical support of the support system through the two groups of bolt structures, and the stability of connection of the T-shaped connecting piece and the vertical support is further ensured.

The second connection hole 1001 and the third connection hole 1101 are both located on the same horizontal line with the first connection hole 901 at the upper bottom of the first connection plate 9. Therefore, two transverse supports connected with the left end and the right end of the T-shaped connecting piece can be arranged on the same horizontal height, the uniformity of stress on the left end and the right end of the T-shaped connecting piece can be guaranteed, and meanwhile, the support system can be more neat and attractive.

The second connecting body comprises a fourth connecting plate 12, and the fourth connecting plate 12 is arranged between the bottom ends of the two third connecting plates 11. And two ends of the fourth connecting plate 12 are respectively and fixedly connected with the corresponding third connecting plates 11. The fourth connecting plate 12 and the third connecting plate 11 are perpendicular to each other. From this, can guarantee the connection stability between two first connection bodies, can make the fourth connecting plate provide the support terminal surface for horizontal support simultaneously, can improve T type connecting piece and horizontal leg joint's convenience and stability.

The fourth connecting plate 12 is provided with a fourth connecting hole 1201 along the plate thickness direction. The fourth connection hole 1201 is a kidney-shaped hole. Therefore, the fourth connecting plate can be matched and connected with the transverse bracket of the bracket system through the bolt structure, and the stability of the bracket system can be further improved.

The height of the second connecting plate 10 is equal to the height of the third connecting plate 11. The bottom end face of the second connecting plate 10 is flush with the bottom end face of the first connecting plate 9, and the top end face thereof is flush with the top end face of the third connecting plate 11. Set up the left and right sides in first connecting plate one end with second connecting plate and third connecting plate symmetry, can guarantee the homogeneity of both ends atress conduction about the T type connecting piece, the whole atress of the T type connecting piece of being convenient for can make the outward appearance of T type connecting piece seem more neatly pleasing to the eye simultaneously.

The joint of the top end face of the second connecting plate 10 and the corresponding first side 902 of the first connecting plate 9 is provided with a reinforced connecting section 13. The reinforced connecting section 13 is also arranged at the joint of the top end surface of the third connecting plate 11 and the corresponding second side 903 of the first connecting plate 9. Therefore, the stress concentration at the joint of the top end face of the second connecting plate and the first side edge of the first connecting plate and the stress concentration at the joint of the top end face of the third connecting plate and the second side edge of the first connecting plate can be reduced, and the stress performance of the T-shaped connecting piece can be improved.

When the T-shaped connecting piece is used, the first mounting groove 14 of the T-shaped connecting piece 4 is clamped into the vertical support 2, the first connecting hole 901 in the T-shaped connecting piece 4 is aligned with the second through hole 6 in the vertical support 2, and then the T-shaped connecting piece 4 and the vertical support 2 are fixed by two bolts 7; when the T-shaped connecting piece 4 is connected with the vertical support 2 positioned in the middle of the continuous support system, the connecting ends of the two transverse supports 3 are respectively clamped into the second mounting groove 15 and the third mounting groove 16 of the T-shaped connecting piece 4, and then the T-shaped connecting piece 4 and the two transverse supports 3 are fixed by the bolts 7; when T type connecting piece 4 links to each other with the vertical support that is located continuous support system both sides, at this moment, only need to block the link of a horizontal support 3 in second mounting groove 15 or the third mounting groove 16 of T type connecting piece 4, then adopt bolt 7 to fix T type connecting piece 4 and a horizontal support 3, under this condition, the effect of T type connecting piece 4 is unanimous basically with the effect of right angle connecting piece, but, can make things convenient for the addding in continuous support system later stage.

As shown in fig. 11 to 13, the right-angle connector 5 includes two first connector bodies, and a second connector body connecting the two first connector bodies. The left end and the right end of the second connecting body are fixedly connected with the corresponding first connecting bodies respectively.

The first connecting body comprises a first connecting plate 9 and a third connecting plate 11, the lower portion of the second side edge 903 of the first connecting plate 9 is vertically connected with the third connecting plate 11, and the first connecting plate 9 and the third connecting plate 11 are located on the same horizontal plane to form a right-angle structure.

The first connecting plate 9 has a first connecting hole 901 along the height direction. The third connecting plate 11 is opened with a third connecting hole 1101 along the width direction thereof. The first connecting plate 9 has two first connecting holes 901 spaced apart from each other along the height direction thereof. The third connection hole 1101 is located on the same horizontal line with the first connection hole 901 at the bottom of the first connection plate 9.

A first mounting groove 14 and a third mounting groove 16 are respectively and correspondingly formed between the two first connecting plates 9 and between the two third connecting plates 11 of the two first connecting bodies. The first mounting groove 13 is used for being matched and connected with the vertical support 2 of the support system, and the first mounting groove 14 is a vertically through mounting groove. The third mounting groove 16 is used for being matched and connected with the transverse bracket 3 of the bracket system.

The second connecting body comprises a fourth connecting plate 12, and the fourth connecting plate 12 is arranged between the bottom ends of the two third connecting plates 11. And two ends of the fourth connecting plate 12 are respectively and fixedly connected with the corresponding third connecting plates 11. The fourth connecting plate 12 and the third connecting plate 11 are perpendicular to each other.

A reinforced connecting section 13 is arranged at the joint of the top end face of the third connecting plate 11 and the corresponding second side 903 of the first connecting plate 9. Therefore, the stress concentration at the joint of the top end face of the third connecting plate and the second side edge of the first connecting plate can be reduced, and the stress performance of the right-angle connecting piece can be improved.

Compared with the prior art, the medial surface and the lateral surface of two first connection bodies of this embodiment right angle connection spare are parallel to each other, and it has simple structure, preparation convenience and the convenient advantage of erection joint.

When the T-shaped connecting piece is used, the first mounting groove 14 of the right-angle connecting piece 5 is clamped into the vertical support 2, so that the first connecting hole 901 of the right-angle connecting piece 5 is aligned with the second through hole 6 of the vertical support 2, and the T-shaped connecting piece 4 and the vertical support 2 are fixed by two bolts 7; then the connecting end of one transverse bracket 3 is clamped into the third mounting groove 16 of the right-angle connecting piece 5, and the right-angle connecting piece 5 and the corresponding transverse bracket 3 are fixed by the bolts 7.

The fabricated support system of the embodiment has the advantage of convenient assembly, can be assembled in a factory or in an installation site, and can be installed after the assembly is completed, and a plurality of screws can be adopted to pass through the waist-shaped holes 104 on each base 1 to fix the fabricated support system on a building during the installation.

The T-shaped connecting piece can be used for connecting two transverse supports and one vertical support in parallel through a plurality of bolt structures in the assembled continuous support system, the T-shaped connecting piece is fast and convenient to mount and connect with the supports, and the T-shaped connecting piece can be conveniently mounted and dismounted in an increasing and decreasing mode of the assembled continuous support system. The total connecting piece quantity that the reducible assembled continuous support system of T type connecting piece of this embodiment needs reduces its total installation procedure, can improve the convenience of high assembled support system installation connection, also can reduce assembled continuous support system's total cost of cost to a certain extent. The T-shaped connecting piece of the embodiment can enable the assembled continuous bracket system to be tidier and more attractive. The medial surface and the lateral surface of two first connection bodies of this embodiment T type connecting piece are parallel to each other, and overall structure is simple, has the convenient advantage of preparation and installation.

The above embodiments are set forth so that the present invention may be more clearly illustrated and not intended to limit the scope of the present invention, and after reading the present invention, it will be understood that modifications of various equivalent forms of the present embodiments by those skilled in the art will fall within the scope of the present invention defined by the appended claims.

Claims (8)

1. A T-shaped connecting piece is characterized by comprising two first connecting bodies which are arranged in parallel and a second connecting body which is connected with the two first connecting bodies; the first connecting bodies comprise first connecting plates (9), second connecting plates (10) and third connecting plates (11), two side edges (902, 903) at one ends of the first connecting plates (9) are fixedly connected with the second connecting plates (10) and the third connecting plates (11) respectively, and the first connecting plates (9), the second connecting plates (10) and the third connecting plates (11) are positioned on the same horizontal plane or in substantially parallel planes to form a T-shaped structure; the first connecting plate (9) is provided with a first connecting hole (901) along the height direction, and the second connecting plate (10) and the third connecting plate (11) are respectively provided with a second connecting hole (1001) and a third connecting hole (1101) along the width direction;

the left end and the right end of the second connecting body are respectively and fixedly connected with the corresponding first connecting body, and a first mounting groove (14), a second mounting groove (15) and a third mounting groove (16) are respectively and correspondingly formed between two first connecting plates (9), two second connecting plates (10) and two third connecting plates (11) of the two first connecting bodies; the first mounting groove (14) is used for being matched and connected with a vertical support (2) of the support system, and the first mounting groove (14) is a vertically through mounting groove; the second mounting groove (15) and the third mounting groove (16) are used for being matched and connected with a transverse bracket (3) of the bracket system.

2. A T-connector as claimed in claim 1, wherein said second connector body is a web or strip connector, said second connector body being perpendicular to said first connector body.

3. The T-shaped connecting piece according to claim 1, wherein the second connecting body comprises a plurality of fourth connecting plates (12), the fourth connecting plates (12) are arranged between the left ends of the two third connecting plates (11) of the two first connecting bodies and/or between the bottom ends of the two third connecting plates (11), the two ends of each fourth connecting plate (12) are respectively and fixedly connected with the corresponding third connecting plate (11), and the fourth connecting plates (12) are perpendicular to the third connecting plates (11).

4. A T-shaped connection according to claim 3, characterized in that the height of said second web (10) is equal to the height of said third web (11); the bottom end face of the second connecting plate (10) is flush with the bottom end face of the first connecting plate (9), and the top end face of the second connecting plate is flush with the top end face of the third connecting plate (11).

5. A T-shaped connecting member according to claim 3, characterized in that said fourth connecting plate (12) is provided with a fourth connecting hole (1201) along the plate thickness direction thereof.

6. A T-shaped connector as claimed in claim 1, characterized in that said first plate (9) is provided with at least two said first holes (901) spaced apart in the height direction thereof.

7. A T-shaped connector as claimed in claim 6, characterized in that said second connection hole (1001) and said third connection hole (1101) are both in the same horizontal line as the first connection hole (901) of said first connector plate (9) near the bottom.

8. A T-shaped connector as claimed in any one of claims 1 to 7, characterized in that the junction of the top end face of the second web (10) with the first side edge (902) of the corresponding first web (9) is provided with a reinforcing connecting section (13); the junction of the top end face of the third connecting plate (11) and the corresponding second side edge (903) of the first connecting plate (9) is also provided with the reinforced connecting section (13).

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