CN220790563U

CN220790563U - Steel pipe connecting piece

Info

Publication number: CN220790563U
Application number: CN202322393493.7U
Authority: CN
Inventors: 吴仲震; 殷凯; 周灵次; 袁奇; 唐中辉; 潘鸿涛; 叶富豪; 张晓凯; 黄林予
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-16
Anticipated expiration: 2033-09-04

Abstract

The application relates to the technical field of building construction tools, the steel pipe non-concentricity problem of steel pipe fastener connection has been improved, a steel pipe connecting piece is disclosed, including a plurality of cross connection's fixed section of thick bamboo, fixed section of thick bamboo coaxial coupling has a hug a section of thick bamboo, hug a section of thick bamboo and include swing joint's first body and the second body of embracing, the mounting hole that supplies the steel pipe to wear to establish to get into is seted up along the axial to fixed section of thick bamboo, all mounting holes homogeneous phase interconnect and mounting hole's central axis cross on a bit, after the steel pipe got into the mounting hole, first body and the second body of embracing can be close to each other to hug a steel pipe, first body and the second body of embracing are connected with the locking piece that is used for locking first body and second body activity of embracing. Because the axis of the mounting holes of all fixed barrels is crossed at one point, the parallel connected steel pipes can be in a concentric state, the stability of the connecting structure is improved, the bamboo frame plates are convenient to erect, the connection of the steel pipes in multiple directions is realized through one steel pipe connecting piece, the structure is simple, and the construction cost is reduced.

Description

Steel pipe connecting piece

Technical Field

The application relates to the technical field of building construction tools, in particular to a steel pipe connecting piece.

Background

When a support frame and a scaffold are erected in the building construction process, two or three steel pipes are usually required to be connected by adopting steel pipe fasteners such as cross buckles, rotary buckles, joint buckles and the like.

The steel pipe connection is generally vertical cross connection in two or three directions in a transverse plane and a vertical plane, the existing fastener connection can lead to the steel pipes connected in the same direction to be non-concentric, and the non-concentric steel pipes can reduce certain structural strength. Moreover, one fastener can only connect two steel pipes, and when the steel pipes in three directions need to be connected, more fasteners are needed on one hand, so that the construction is troublesome and the cost is high; on the other hand, the bamboo frame plates for workers to walk are not beneficial to paving on the scaffold; in addition, it is not attractive.

Disclosure of Invention

In order to improve the defect of non-concentricity of steel pipes connected by steel pipe fasteners, the application provides a steel pipe connecting piece.

The application provides a steel pipe connecting piece, adopts following technical scheme:

the utility model provides a steel pipe connecting piece, includes a plurality of cross connection's fixed section of thick bamboo, fixed section of thick bamboo coaxial coupling has a hug tightly a section of thick bamboo, hug tightly a section of thick bamboo and including swing joint's first body and second hug body, fixed section of thick bamboo has been seted up along the axial and has been worn to establish the mounting hole that gets into by the steel pipe, all the mounting hole all communicate each other just the central axis of mounting hole is alternately on a bit, the steel pipe gets into behind the mounting hole, first hug body with the second hug body can be close to each other to hug tightly the steel pipe, first hug body with the second hug body is connected with and is used for locking first hug body with the locking piece that the second hug body activity.

Through adopting above-mentioned technical scheme, after the steel pipe got into the mounting hole of fixed section of thick bamboo, first body and the second of embracing can be close to each other to embracing the steel pipe tightly, and the first body of embracing and the second of embracing are embraced the steel pipe and are rethread locking piece fastening connection after tightly embracing to can fix the steel pipe in fixed section of thick bamboo. The axis of the mounting holes of all fixed barrels is crossed at one point, so that the parallel connected steel pipes are in a concentric state, even the vertical connected steel pipes can be crossed at one point, the stability of a connecting structure is improved, the subsequent bamboo frame plates are convenient to set up, the connection of the steel pipes in multiple directions is realized through one steel pipe connecting piece, the structure is simple, and the construction cost is reduced.

Optionally, the fixed cylinder is in the inner wall of mounting hole is kept away from the protrusion of the one end of holding the cylinder is provided with location portion.

Through adopting above-mentioned technical scheme, the steel pipe that location portion can restrict to get into the mounting hole wears to establish in another fixed section of thick bamboo, when reducing the inconvenience of installation operation, can also guarantee the uniformity that the steel pipe is connected, further improves structural strength and stability.

Optionally, the enclasping cylinder comprises a rotating shaft, the first enclasping body and the second enclasping body are rotationally connected through the rotating shaft, and the rotating shaft is fixedly connected to the end face of the fixed cylinder along the axial direction of the fixed cylinder.

Through adopting above-mentioned technical scheme, first body and the second of embracing are embraced the body and can be adopted the mode of dismantling to connect or rotate to connect and are realized being close to each other or keep away from, and preferably, adopt the mode of rotating to connect can improve the convenience of operation, and the pivot is fixed on fixed section of thick bamboo, can make fixed section of thick bamboo and embrace a section of thick bamboo and link as an organic whole, reduce the possibility that spare part was lost.

Optionally, the first body of embracing is fixed connection on the terminal surface of fixed section of thick bamboo, and the axle center of first body of embracing with the axle center of fixed section of thick bamboo is located same straight line.

Through adopting above-mentioned technical scheme, first body that embraces is fixed on fixed section of thick bamboo, can make to embracing the holding of a section of thick bamboo to the steel pipe and connect inseparabler and stable, and the steel pipe passes first body that embraces and get into fixed section of thick bamboo in the back, only need operate the second and embrace the body and cooperate with first body and fix the steel pipe, can also make the steel pipe fix in fixed section of thick bamboo more steadily, further improves the structural strength of steel pipe support.

Optionally, an anti-slip layer abutted with the steel pipe is arranged on the inner wall of the mounting hole of the fixing cylinder.

Through adopting above-mentioned technical scheme, the stability that the steel pipe is connected can further be improved to the skid resistant course, and after the steel pipe gets into the mounting hole, the skid resistant course can increase the resistance with between the steel pipe to can reduce the steel pipe and follow the possibility of sliding out in the mounting hole, constructor can directly embrace body coupling with first and second, need not to hold the steel pipe in addition, and convenient operation is more convenient and fast.

Optionally, the locking piece includes wears to establish in proper order in first embracing the body with the second embraces the first locking screw on the body, the tip cooperation of first locking screw has connect soon first nut, first nut in on the first locking screw toward the direction of the second embraces the body precession and support tightly in the second embraces the body.

Through adopting above-mentioned technical scheme, the locking piece sets up to the form that first locking screw and first nut connect soon, stable in structure and simple.

Optionally, the first locking screw is hinged to the first holding body, and a first connecting groove for the first locking screw to rotate and enter is formed in the second holding body.

Through adopting above-mentioned technical scheme, first locking screw and first body of embracing are articulated, can further improve constructor's convenience of operation, after the steel pipe gets into fixed section of thick bamboo, make first embracing body and second embracing body and embrace the joint steel pipe, then rotate first locking screw on the first embracing body and get into the first spread groove on the second embracing body again, connect first nut soon on first locking screw and support tightly in the second embracing body at last to with first embracing body and second embracing body fixed connection together, simple structure, convenient operation.

Optionally, the notch of the first connecting groove is arranged towards the shrinkage of the direction of the first locking screw.

Through adopting above-mentioned technical scheme, the notch setting of first spread groove can reduce the possibility that gets into the first locking screw in the first spread groove and break away from first spread groove for connect first nut soon, need not to support first locking screw and keep in first spread groove, the operation is more convenient.

Optionally, the locking piece further includes with the articulated second locking screw of second embracing the body, offer on the first embracing the body and supply the second locking screw rotates the second spread groove that gets into, the tip cooperation of second locking screw has connect soon second nut, the second nut in on the second locking screw go forward the direction of first embracing the body precession and support tightly in the first embracing the body.

Through adopting above-mentioned technical scheme, first locking screw and first nut and second locking screw and second nut symmetry are reverse with first embracing body and second embracing body locking, have further improved stability and compactness that the steel pipe connecting piece was connected the steel pipe, can also reduce the potential safety hazard that leads to the fact because of breaking away from each other between the steel pipe.

In summary, the present application includes at least one of the following beneficial effects:

1. the central axes of the mounting holes of all the fixed barrels are crossed at one point, so that the parallel connected steel pipes can be in a concentric state, and even the vertical connected steel pipes can be crossed at one point, thereby improving the stability of the connecting structure and facilitating the erection of the subsequent bamboo frame plates;

2. the steel pipe connecting piece is used for connecting the steel pipes in multiple directions, so that the structure is simple, the construction cost is reduced, and the steel pipe connecting piece is attractive;

3. after the steel pipe enters the fixed cylinder, the steel pipe is fixedly connected with the fixed cylinder through the holding cylinder, so that the operation is convenient and quick, and the construction efficiency is improved.

Drawings

FIG. 1 is a schematic view of a steel pipe connection according to an embodiment of the present application;

FIG. 2 is a schematic view of another construction of a steel pipe connection according to an embodiment of the present application;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 4 is a schematic view of the structure of the hugging cylinder according to the embodiment of the present application;

FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 4;

fig. 6 is a schematic view of another structure of the locking member in an embodiment of the present application.

Reference numerals illustrate: 1. a fixed cylinder; 11. a mounting hole; 12. a positioning part; 13. an anti-slip layer; 2. a holding cylinder; 3. the first embracing body; 31. a second connecting groove; 32. a connecting lug; 33. a movable groove; 4. the second embracing body; 41. a first connection groove; 5. a rotating shaft; 6. a locking member; 61. a first locking screw; 62. a first nut; 63. a second locking screw; 64. a second nut; 7. and (3) a steel pipe.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

Referring to fig. 1, this application embodiment discloses a steel pipe connecting piece, including a plurality of cross connection's fixed section of thick bamboo 1, fixed section of thick bamboo 1 coaxial coupling has a enclasping section of thick bamboo 2, enclasping section of thick bamboo 2 includes swing joint's first enclasping body 3 and second enclasping body 4, fixed section of thick bamboo 1 has seted up along the axial and has supplied steel pipe 7 to wear to establish the mounting hole 11 that gets into, all mounting holes 11 homogeneous phase interconnect and mounting hole 11's central axis cross on a bit, after steel pipe 7 gets into mounting hole 11, first enclasping body 3 and second enclasping body 4 can be close to each other to enclasping steel pipe 7, first enclasping body 3 and second enclasping body 4 are connected with and are used for locking first enclasping body 3 and second enclasping body 4 movable locking piece 6. The plurality of steel pipes 7 are erected into steel frames such as a support frame or a scaffold through steel pipe connectors for building construction.

The fixed cylinder 1 and the enclasping cylinder 2 are made of high-strength materials such as cast iron, stainless steel and the like, the mounting holes 11 penetrate through two end surfaces of the fixed cylinder 1 along the radial direction of the fixed cylinder 1, and the diameter of the mounting holes 11 is equal to or slightly larger than that of the steel pipes 7. Referring to fig. 1, the number of the fixed cylinders 1 may be set to four and be in a crisscross connection; referring to fig. 2, the number of the fixed cylinders 1 may be set to six and connected to each other in three coordinate axis directions of the X axis, the Y axis, and the Z axis; according to practical use, the steel pipes 7 may need to be connected obliquely to form an inclined support, and the number of the fixed cylinders 1 may be set to be more than six correspondingly and obliquely crossed with the directions of the X axis, the Y axis or the Z axis. It should be noted that, the axis of all fixed section of thick bamboo 1 all intersects in a bit to can make parallel connection's steel pipe 7 be in concentric state, improve steel pipe support's structural stability and uniformity, moreover, realize the connection of a plurality of direction steel pipes 7 through a steel pipe connecting piece, simple structure has reduced construction cost, does not have dislocation overlap joint between the steel pipe 7, also be convenient for follow-up laying bamboo frame plate.

Referring to fig. 3, since the mounting holes 11 of the connected fixing barrels 1 are all connected, in order to avoid that the steel pipe 7 entering from one fixing barrel 1 enters into the parallel zero fixing barrel 1, the fixing barrel 1 is provided with a positioning part 12 protruding from one end of the inner wall of the mounting hole 11 away from the holding barrel 2, the positioning part 12 can be arranged as a positioning block at the junction of two adjacent fixing barrels 1, the positioning part 12 protrudes in the direction of the connecting center of the fixing barrels 1, the positioning part 12 can play a role in positioning and mounting, so that the steel pipe 7 entering into the mounting hole 11 is limited to penetrate into the other fixing barrel 1, the connection consistency of the steel pipe 7 can be ensured when the inconvenience of mounting operation is reduced, and the structural strength and stability are further improved.

Further, referring to fig. 3, the fixed cylinder 1 is provided with an anti-slip layer 13 abutting against the steel pipe 7 on the inner wall of the mounting hole 11, the anti-slip layer 13 may be a plurality of ribs arranged inside the mounting hole 11 along the radial array of the fixed cylinder 1, preferably, the anti-slip layer 13 is a rubber pad covering the inner wall of the mounting hole 11, and the rubber pad is adhered in the mounting hole 11 through glue. The anti-slip layer 13 can increase the resistance with between the steel pipe 7 to can reduce the possibility that the steel pipe 7 slided out from mounting hole 11, further improve the stability that steel pipe 7 connects, moreover, after the steel pipe 7 inserts fixed section of thick bamboo 1, constructor can directly embrace body 3 and second and embrace body 4 to be connected, need not in addition hand steel pipe 7, the operation is convenient and fast more.

One end of each fixed cylinder 1, which is far away from the adjacent fixed cylinder 1, is connected with a holding cylinder 2, the first holding body 3 and the second holding body 4 are semi-arc steel sheets, and the radian of the first holding body 3 is consistent with that of the second holding body.

In other embodiments, the first holding body 3 and the second holding body 4 are connected in a detachable manner, where the first holding body 3 and/or the second holding body 4 are fixed at the end of the fixed cylinder 1 in a welding or bolting manner, two ends of the circular arc of the first holding body 3 and the second holding body 4 extend out of the connecting lugs 32 parallel to each other in the horizontal direction, and two opposite connecting lugs 32 of the first holding body 3 and the second holding body 4 are fastened and connected by the locking piece 6, so that the steel pipe 7 is held tightly in the fixed cylinder 1.

In this embodiment, in order to improve the convenience of operation, the first holding body 3 and the second holding body 4 are connected by adopting a rotational connection manner. Specifically, referring to fig. 4 and 5, the holding cylinder 2 further includes a rotating shaft 5, the first holding body 3 and the second holding body 4 are rotationally connected through the rotating shaft 5, and the rotating shaft 5 is fixedly connected to the end face of the fixed cylinder 1 along the axial direction of the fixed cylinder 1, so that the fixed cylinder 1 and the holding cylinder 2 are connected into a whole, and the possibility of losing parts is reduced. The first holding body 3 and the second holding body 4 are far away from the hinged end and extend out of the parallel connecting lugs 32, and the locking piece 6 is connected between the two connecting lugs 32.

Further, in order to make the connection between the holding cylinder 2 and the fixed cylinder 1 more stable, the first holding body 3 or the second holding body 4 is fixedly connected to the end surface of the fixed cylinder 1, in this embodiment, the first holding body 3 is fixedly connected to the fixed cylinder 1 for explanation, the first holding body 3 may be welded on the fixed cylinder 1, and the axis of the first holding body 3 and the axis of the fixed cylinder 1 are located on the same straight line, after the steel pipe 7 passes through the first holding body 3 and enters the fixed cylinder 1, the steel pipe 7 can be fixed only by operating the second holding body 4 to cooperate with the first holding body 3, and the steel pipe 7 can be further stably fixed in the fixed cylinder 1, thereby further improving the structural strength of the steel pipe frame.

In other embodiments, the locking member 6 may fix the connecting lugs 32 on the first holding body 3 and the second holding body 4 by using a fastening structure.

In this embodiment, in order to make the structure more stable, referring to fig. 5, the locking member 6 includes a first locking screw 61 sequentially penetrating and connected to the first holding body 3 and the second holding body 4, the end of the first locking screw 61 is screwed with a first nut 62, the first nut 62 is screwed onto the first locking screw 61 toward the second holding body 4 and abuts against the second holding body 4, and a gasket is sleeved on the first locking screw 61 and then screwed with the first nut 62, so that the connection is more stable; the locking pieces 6 are provided in plural at intervals in the radial direction of the hugging cylinder 2.

Referring to fig. 5, in order to further improve the convenience of operation and reduce the possibility of losing parts, the connecting lug 32 of the first holding body 3 is provided with a movable groove 33, the first locking screw 61 is hinged in the movable groove 33, the first locking screw 61 can rotate towards the direction of the second holding body 4, and the connecting lug 32 of the second holding body 4 is provided with a first connecting groove 41 into which the first locking screw 61 rotates. Further, the notch of the first connecting groove 41 is configured to be reduced toward the direction in which the first locking screw 61 enters, and the notch of the movable groove 33 through which the first locking screw 61 rotates is also configured to be reduced. After the steel pipe 7 enters the fixed cylinder 1, the first holding body 3 and the second holding body 4 are made to hold the steel pipe 7, then the first locking screw 61 on the first holding body 3 is rotated to enter the first connecting groove 41 on the second holding body 4, the notch of the first connecting groove 41 is set to be a necking, the possibility that the first locking screw 61 is separated from the first connecting groove 41 can be reduced, the first locking screw 61 is not required to be held in the first connecting groove 41, and finally the first nut 62 is directly screwed on the first locking screw 61 and abutted against the second holding body 4, so that the first holding body 3 and the second holding body 4 are fixedly connected together, and the fixed cylinder is simple in structure and convenient to operate.

Referring to fig. 6, in order to further improve the tightness of the clasping of the steel pipe 7, the locking piece 6 further comprises a second locking screw 63 hinged with the second clasping body 4, the first clasping body 3 is provided with a second connecting groove 31 for the second locking screw 63 to rotate into, the end part of the second locking screw 63 is matched and screwed with a second nut 64, and the second nut 64 is screwed on the second locking screw 63 in the direction of the first clasping body 3 and is abutted against the first clasping body 3; that is, the second locking screw 63 and the second nut 64 are disposed in opposite symmetry to the first locking screw 61 and the first nut 62, so that the stability and the tightness of the connection of the steel pipe connection member to the steel pipe 7 can be improved, and the potential safety hazard caused by the mutual separation between the steel pipes 7 can be reduced.

The implementation principle of the steel pipe connecting piece of the embodiment of the application is as follows:

firstly, the first holding body 3 and the second holding body 4 are opened, the steel pipe 7 is inserted into the mounting hole 11 of the fixed cylinder 1 through the matching of the first holding body 3, then the second holding body 4 is rotated in the direction of the first holding body 3, then the first locking screw 61 on the first holding body 3 is rotated to enter the first connecting groove 41 on the second holding body 4, the second locking screw 63 on the second holding body 4 is rotated to enter the second connecting groove 31 on the first holding body 3, and finally the first nut 62 and the second nut 64 are respectively screwed on, so that the steel pipe 7 can be fixed in the fixed cylinder 1; the installation is convenient and quick, and the construction efficiency is improved. All the steel pipes 7 are sequentially installed along the fixed barrels 1, and because the central axes of the installation holes 11 of all the fixed barrels 1 are crossed at one point, all the steel pipes 7 connected in parallel are connected concentrically, and even the steel pipes 7 connected vertically can be crossed at one point, the stability of the steel pipe frame structure is improved, the connection of the steel pipes 7 in multiple directions is realized through one steel pipe connecting piece, the structure is simple, and the construction cost is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A steel pipe connection, characterized in that: including a plurality of cross connection's fixed section of thick bamboo (1), fixed section of thick bamboo (1) coaxial coupling has enclasping section of thick bamboo (2), enclasping section of thick bamboo (2) include swing joint's first enclasping body (3) and second enclasping body (4), fixed section of thick bamboo (1) are seted up along the axial and are supplied steel pipe (7) to wear to establish mounting hole (11) that get into, all mounting hole (11) all communicate each other just the central axis of mounting hole (11) intersects on a bit, steel pipe (7) get into behind mounting hole (11), first enclasping body (3) with second enclasping body (4) can be close to each other enclasping steel pipe (7), first enclasping body (3) with second enclasping body (4) are connected with and are used for locking first enclasping body (3) with locking piece (6) that second enclasping body (4) activity.

2. A steel pipe connection according to claim 1, wherein: the fixing cylinder (1) is provided with a positioning part (12) in a protruding mode at one end, far away from the enclasping cylinder (2), of the inner wall of the mounting hole (11).

3. A steel pipe connection according to claim 1, wherein: the enclasping cylinder (2) comprises a rotating shaft (5), the first enclasping body (3) and the second enclasping body (4) are rotationally connected through the rotating shaft (5), and the rotating shaft (5) is fixedly connected to the end face of the fixing cylinder (1) along the axial direction of the fixing cylinder (1).

4. A steel pipe connection according to claim 1, wherein: the first holding body (3) is fixedly connected to the end face of the fixed cylinder (1), and the axis of the first holding body (3) and the axis of the fixed cylinder (1) are located on the same straight line.

5. A steel pipe connection according to claim 1, wherein: the fixed cylinder (1) is provided with an anti-slip layer (13) which is in contact with the steel pipe (7) on the inner wall of the mounting hole (11).

6. A steel pipe connection according to claim 1, wherein: the locking piece (6) comprises a first locking screw rod (61) which is sequentially connected to the first holding body (3) and the second holding body (4) in a penetrating mode, a first nut (62) is screwed on the end portion of the first locking screw rod (61) in a matched and screwed mode, and the first nut (62) is screwed on the first locking screw rod (61) to the direction of the second holding body (4) and abuts against the second holding body (4).

7. A steel pipe connection according to claim 6, wherein: the first locking screw (61) is hinged with the first holding body (3), and the second holding body (4) is provided with a first connecting groove (41) for the first locking screw (61) to rotate into.

8. A steel pipe connection according to claim 7, wherein: the notch of the first connecting groove (41) is arranged towards the shrinkage of the direction of the first locking screw (61).

9. A steel pipe connection according to claim 7, wherein: the locking piece (6) further comprises a second locking screw (63) hinged to the second holding body (4), a second connecting groove (31) for enabling the second locking screw (63) to rotate and enter is formed in the first holding body (3), a second nut (64) is screwed at the end portion of the second locking screw (63) in a matched and screwed mode, and the second nut (64) is screwed in the second locking screw (63) to the direction of the first holding body (3) and abuts against the first holding body (3).