Wrapping pipe crimping key slot type cross bar plug

Abstract

The utility model relates to a wrapping pipe crimping key groove type cross rod plug which is provided with a cross rod plugging part, a cross rod plugging opening is formed in the cross rod plugging part, and the cross rod plugging part is connected with an expanding part. A vertical rod assembling key groove is formed in the end, away from the transverse rod inserting opening, of the expanding connection part. Symmetrical inclined rod connecting grooves are formed in the two sides of the expanding connection part. A lock hole is formed in the expanding part, is positioned below the inclined rod connecting groove, and is communicated with the vertical rod assembling key groove. The cross rod inserting opening is provided with an adjusting step, and the adjusting step is used for adjusting the caliber of the cross rod inserting opening. Stable connection among the transverse rod, the vertical rod and the inclined rod can be achieved, assembling and connecting are convenient, connecting stability is high, shifting caused by external force is effectively avoided, safety and reliability are higher, meanwhile, the structure is simpler and more optimized, and reasonable space configuration with peripheral structures can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of scaffolds, and in particular relates to a tube-wrapped crimping keyway type crossbar plug. Background Art

[0002] The widespread development of super high-rise buildings has promoted the development of scaffolding technology for high-rise building construction. Scaffolding is a temporary erection around buildings or structures under construction to facilitate the construction of structures or exterior wall decoration, as well as an auxiliary construction facility for stacking building materials during operation, or a temporary support system erected to fix the formwork during concrete pouring.

[0003] The inventor has previously conducted a large number of research and development applications in the field of steel pipe assembly, and has always been committed to the pursuit of simplicity and stability of steel pipe assembly accessories. During the scaffolding construction process, the stability of the intersection of the horizontal bars, vertical bars and diagonal bars is crucial. The connection at the intersection of traditional horizontal bars, vertical bars and diagonal bars is relatively complicated, the assembly is inconvenient, and it is easy to move under the action of external forces. The stability is poor, there is a huge safety hazard, and the reliability of the assembly of the horizontal bars, vertical bars and diagonal bars cannot be guaranteed. Utility Model Content

[0004] The utility model aims to provide a tube-wrapped key-slot crossbar plug, which cooperates to achieve a stable connection between the crossbar, the vertical rod and the diagonal rod, and solves the problem of easy movement after assembly and poor assembly reliability.

[0005] The utility model solves the above technical problems with the following technical solutions: a tube-wrapped key-slot crossbar plug, comprising a crossbar plug-in portion, the crossbar plug-in portion is formed with a crossbar plug-in interface, and the crossbar plug-in portion is connected to an expansion portion; a vertical rod assembly key slot is formed at one end of the expansion portion away from the crossbar plug-in interface, and symmetrical oblique rod connection slots are formed on both sides of the expansion portion;

[0006] The expansion portion is provided with a locking hole, the locking hole is located below the oblique rod connecting groove, and the locking hole is connected to the vertical rod assembly key groove.

[0007] As a preferred solution for the tube-wrapped key-slot crossbar plug, the crossbar plug interface is provided with an adjustment step, and the adjustment step is used to adjust the diameter of the crossbar plug interface.

[0008] As a preferred solution for the tube-compression-connected keyway-type crossbar plug, the vertical rod assembly keyway is assembled with the vertical rod through a socket, and the socket is inserted into the vertical rod.

[0009] As a preferred solution for the tube-compression-connected keyway crossbar plug, the upper width of the vertical pole assembly keyway is smaller than the lower width of the vertical pole assembly keyway, and the outer width of the vertical pole assembly keyway is smaller than the inner width of the vertical pole assembly keyway.

[0010] As a preferred solution for the tube-wrapped key-slot crossbar plug, a shelf is formed at the bottom of the oblique rod connecting groove, and the oblique rod connecting groove is connected to the oblique rod assembly through an oblique rod connecting piece.

[0011] As a preferred solution for the tube crimping keyway crossbar plug, the locking hole includes a locking hole position and an unlocking hole position, a spacing protrusion is formed between the bottom of the locking hole position and the unlocking hole position, and the top of the locking hole position and the unlocking hole position are conductive.

[0012] As a preferred solution for the crossbar plug with a keyway for crimping, the locking hole and the vertical pole assembly keyway form an intersection, and the unlocking hole avoids the vertical pole assembly keyway.

[0013] The beneficial effects of the utility model are as follows: a crossbar plug-in portion is provided, a crossbar plug-in interface is formed on the crossbar plug-in portion, and the crossbar plug-in portion is connected to an expansion portion; a vertical pole assembly key slot is formed at one end of the expansion portion away from the crossbar plug-in interface, and symmetrical oblique pole connection slots are formed on both sides of the expansion portion; a lock hole is provided on the expansion portion, and the lock hole is located below the oblique pole connection slot, and the lock hole is connected to the vertical pole assembly key slot. The utility model can achieve a stable connection between the crossbar, the vertical pole and the oblique pole, is convenient to assemble, has strong connection stability, effectively avoids movement caused by external forces, is safer and more reliable, and has a more concise and optimized structure, and can be reasonably spatially configured with surrounding structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the tube-wrapped crimping keyway type crossbar plug provided in an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the tube-wrapped keyway crossbar plug provided in an embodiment of the utility model from another perspective.

[0018] Figure 3 It is a schematic diagram of the use status of the tube-wrapped keyway crossbar plug provided in the embodiment of the utility model.

[0019] Figure 4 This is a schematic diagram of the use status of the tube-wrapped keyway crossbar plug provided in an embodiment of the utility model from another perspective.

[0020] In the figure, 1. crossbar plug-in part; 2. crossbar plug-in interface; 3. expansion part; 4. vertical pole assembly key slot; 5. diagonal pole connection slot; 6. lock hole; 7. adjustment step; 8. socket; 9. shelf; 10. locking hole position; 11. unlocking hole position; 12. spacing protrusion. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0023] See also Figure 1 and Figure 2 , a crossbar plug with a key groove type is provided, comprising a crossbar plug-in portion 1, the crossbar plug-in portion 1 is formed with a crossbar plug-in port 2, the crossbar plug-in portion 1 is connected with an expansion portion 3; a vertical rod assembly key groove 4 is formed at one end of the expansion portion 3 away from the crossbar plug-in port 2, and symmetrical oblique rod connection grooves 5 are formed on both sides of the expansion portion 3;

[0024] The expansion portion 3 is provided with a locking hole 6 , and the locking hole 6 is located below the oblique rod connecting groove 5 , and the locking hole 6 is connected to the vertical rod assembly key groove 4 .

[0025] In one embodiment of the crossbar plug with keyway for crimping, the crossbar plug port 2 is provided with an adjustment step 7, and the adjustment step 7 is used to adjust the diameter of the crossbar plug port 2. Specifically, the design of the adjustment step 7 enables the crossbar plug port 2 to have different diameters from the outside to the inside, so as to match crossbars of different thicknesses.

[0026] Assistance Figure 3 and Figure 4In one embodiment of the crossbar plug with a keyway for crimping, the vertical bar assembly keyway 4 is assembled with the vertical bar through a socket 8, and the socket 8 is inserted into the vertical bar. Specifically, the socket 8 itself has a sleeve, through which the vertical bar can pass through the socket 8, and the outer periphery of the sleeve is provided with a key block that cooperates with the vertical bar assembly keyway 4.

[0027] In one embodiment of the crossbar plug of the guaranteed crimping keyway type, the upper width of the vertical rod assembly keyway 4 is smaller than the lower width of the vertical rod assembly keyway 4, and the outer width of the vertical rod assembly keyway 4 is smaller than the inner width of the vertical rod assembly keyway 4. The vertical rod assembly keyway 4 of the crossbar plug can only slide into the key block of the socket 8 from top to bottom, so as to prevent the crossbar plug from falling off the socket 8 and ensure stability.

[0028] Assistance Figure 3 and Figure 4 In one embodiment of the key slot type cross bar plug for guaranteeing tube crimping, a shelf 9 is formed at the bottom of the diagonal bar connection groove 5, and the diagonal bar connection groove 5 is connected to the diagonal bar assembly through the diagonal bar connection piece. Specifically, the diagonal bar connection piece has a head and a connection part, and the head of the diagonal bar connection piece is consistent with the shape of the diagonal bar connection groove 5. After the head of the diagonal bar connection piece is placed in the diagonal bar connection groove 5, the connection part extends from the notch of the diagonal bar connection groove 5, and then the connection part can be extended from the end hole of the diagonal bar, and then the connection part is locked with a latch to prevent the diagonal bar from falling off.

[0029] In one embodiment of the crossbar plug with a keyway for crimping, the locking hole 6 includes a locking hole 10 and an unlocking hole 11, and a spacing protrusion 12 is formed between the bottoms of the locking hole 10 and the unlocking hole 11, and the tops of the locking hole 10 and the unlocking hole 11 are connected. The locking hole 10 and the vertical pole assembly keyway 4 form an intersection, and the unlocking hole 11 avoids the vertical pole assembly keyway 4. Specifically, when the vertical pole assembly keyway 4 of the crossbar plug slides from top to bottom into the key block of the socket 8, a pin can be inserted into the locking hole 10 to lock the key block in the vertical pole assembly keyway 4, and the pin can be slid from the top into the unlocking hole 11 to unlock, thereby further increasing the stability of the assembly.

[0030] In summary, the utility model is provided with a crossbar plug-in portion 1, the crossbar plug-in portion 1 is formed with a crossbar plug-in interface 2, and the crossbar plug-in portion 1 is connected with an expansion portion 3; the expansion portion 3 is formed with a vertical pole assembly key slot 4 at one end away from the crossbar plug-in interface 2, and symmetrical oblique rod connection slots 5 are formed on both sides of the expansion portion 3; the expansion portion 3 is provided with a lock hole 6, the lock hole 6 is located below the oblique rod connection slot 5, and the lock hole 6 is connected to the vertical pole assembly key slot 4. The design of the adjustment step 7 enables the crossbar plug-in interface 2 to have different calibers from the outside to the inside, so as to match crossbars of different thicknesses. The socket 8 itself has a sleeve, through which the vertical pole can be passed through the socket 8, and the outer periphery of the sleeve is provided with a key block that cooperates with the vertical pole assembly key slot 4. The vertical pole assembly key slot 4 of the crossbar plug can only slide into the key block of the socket 8 from top to bottom, so as to prevent the crossbar plug from falling off from the socket 8 and ensure stability. The diagonal rod connector has a head and a connecting portion. The head of the diagonal rod connector matches the shape of the diagonal rod connecting groove 5. After the head of the diagonal rod connector is placed in the diagonal rod connecting groove 5, the connecting portion extends from the notch of the diagonal rod connecting groove 5, and then the connecting portion can be extended from the end hole of the diagonal rod, and then the connecting portion is locked by a latch to prevent the diagonal rod from falling off. When the vertical rod assembly key slot 4 of the crossbar plug slides into the key block of the socket 8 from top to bottom, the pin can be inserted into the locking hole 10 to lock the key block in the vertical rod assembly key slot 4, and the pin can be unlocked by sliding from the top into the unlocking hole 11 to further increase the stability of the assembly. The utility model can achieve a stable connection between the crossbar, the vertical rod and the diagonal rod, is convenient to assemble, has strong connection stability, effectively avoids movement caused by external forces, is safer and more reliable, and has a more concise and optimized structure, and can be reasonably spatially configured with the surrounding structure.

[0031] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A tube-wrapped keyway crossbar plug, characterized in that: The crossbar plug-in portion (1) comprises a crossbar plug-in interface (2) formed on the crossbar plug-in portion (1), and the crossbar plug-in portion (1) is connected to an expansion portion (3); a vertical rod assembly key groove (4) is formed at one end of the expansion portion (3) away from the crossbar plug-in interface (2), and symmetrical oblique rod connection grooves (5) are formed on both sides of the expansion portion (3); The expansion portion (3) is provided with a locking hole (6), the locking hole (6) is located below the oblique rod connection groove (5), and the locking hole (6) is connected to the vertical rod assembly key groove (4).

2. A tube-wrapped keyway crossbar plug according to claim 1, characterized in that: The crossbar plug-in interface (2) is provided with an adjustment step (7), and the adjustment step (7) is used to adjust the caliber of the crossbar plug-in interface (2).

3. A tube-wrapped keyway crossbar plug according to claim 1, characterized in that: The vertical rod assembly key groove (4) is assembled with the vertical rod via a socket (8), and the socket (8) is inserted into the vertical rod.

4. A tube-wrapped keyway crossbar plug according to claim 3, characterized in that: The upper width of the vertical pole assembly key slot (4) is smaller than the lower width of the vertical pole assembly key slot (4), and the outer width of the vertical pole assembly key slot (4) is smaller than the inner width of the vertical pole assembly key slot (4).

5. The tube-wrapped keyway crossbar plug according to claim 1, characterized in that: A shelf (9) is formed at the bottom of the inclined rod connection groove (5), and the inclined rod connection groove (5) is connected to the inclined rod assembly via an inclined rod connecting piece.

6. The tube-wrapped keyway crossbar plug according to claim 1, characterized in that: The locking hole (6) comprises a locking hole position (10) and an unlocking hole position (11), a spacing protrusion (12) is formed between the bottoms of the locking hole position (10) and the unlocking hole position (11), and the tops of the locking hole position (10) and the unlocking hole position (11) are connected.

7. A tube-wrapped keyway crossbar plug according to claim 6, characterized in that: The locking hole (10) and the vertical pole assembly key slot (4) form an intersection, and the unlocking hole (11) avoids the vertical pole assembly key slot (4).

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