CN211597686U - Round steel pipe connecting device - Google Patents
Round steel pipe connecting device Download PDFInfo
- Publication number
- CN211597686U CN211597686U CN201922470545.XU CN201922470545U CN211597686U CN 211597686 U CN211597686 U CN 211597686U CN 201922470545 U CN201922470545 U CN 201922470545U CN 211597686 U CN211597686 U CN 211597686U
- Authority
- CN
- China
- Prior art keywords
- hole
- locking
- steel pipe
- connector
- connecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a circular steel tube connecting device, including connecting piece body, connector and retaining member. The connecting piece body includes steel pipe connecting portion and connector holding chamber, and steel pipe connecting portion connect the round steel pipe tip, and connector holding chamber is equipped with first through-hole and locking hole. The connector comprises a connecting end and a clamping portion, a second through hole is formed in the connecting end, the connecting end penetrates through a connector accommodating cavity of the connecting piece body, and the clamping portion is connected with the circular steel tube. The locking piece penetrates through the overlapped first through hole and the second through hole; after the locking piece is rotated, the locking piece can penetrate through the overlapped first through hole, the second through hole and the locking hole; the retaining member is provided with a fastening portion which is in interference fit with the through holes after the first through hole, the second through hole and the locking hole are overlapped. The utility model has the advantages of being simple in structure and convenient in operation, fastening are effectual, have improved construction speed and security, have also improved the utilization ratio of circular steel tube, but the wide application is in the connection and the fastening field of scaffold frame for the building.
Description
Technical Field
The utility model relates to a construction equipment technical field of scaffold frame in construction industry, more specifically relate to a circular steel tube connecting device.
Background
The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form. In a construction formwork supporting system of building engineering, the thin-wall circular steel tube is used for replacing a square wood keel, the superiority and the practical value of the circular steel tube are far higher than those of the square wood keel, good economic benefit and social value are achieved, and a building which replaces wood with steel has the functions of energy conservation and environmental protection. The thin-wall circular steel tube keel is the preferred material in the current template supporting system.
At present, steel scaffold frame is provided with the fastener of a lot of different specifications according to the shape that steel is different and the demand of different positions, for example butt joint fastener, cross fastener, turn to fastener and right angle fastener etc.. When being directed at two vertically circular steel tube butt joint and connecting the fastening, do not disclose the structure to the butt joint spare of circular steel tube among the prior art, two general circular steel tube are connected, firstly through the welded mode, secondly carry out cross and/or a font winding through the steel wire and bind, and these modes exist when specifically using that the structure is complicated, complex operation, intensity of labour is big, the installation is inconvenient, inefficiency, fastening effect is poor, and turnover, reuse rate subalternation shortcoming.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a simple structure, convenient operation, fastening are effectual, have improved construction speed and security, have also improved the utilization ratio of circular steel tube, but the wide application is at the circular steel tube connecting device of the connection of scaffold frame for the building and fastening.
According to an aspect of the utility model, a circular steel tube connecting device is provided for connect and lock two adjacent circular steel tubes. The connecting device comprises a connecting piece body, a connector and a locking piece. The connecting piece body includes steel pipe connecting portion and connector holding chamber, and steel pipe connecting portion connect the round steel pipe tip, and connector holding chamber is equipped with first through-hole and locking hole. The connector comprises a connecting end and a clamping portion, a second through hole is formed in the connecting end, the connecting end penetrates through a connector accommodating cavity of the connecting piece body, and the clamping portion is connected with the circular steel tube. The locking piece penetrates through the overlapped first through hole and the second through hole; after the locking piece is rotated, the locking piece can penetrate through the overlapped first through hole, the second through hole and the locking hole; the retaining member is provided with a fastening portion which is in interference fit with the through holes after the first through hole, the second through hole and the locking hole are overlapped. Circular steel tube connecting device, simple structure, convenient operation, fastening are effectual, have improved construction speed and security, have also improved the utilization ratio of circular steel tube, but the wide application is in the connection and the fastening field of scaffold frame for the building.
In some embodiments, the clamping portion is a clamping groove, and the clamping groove clamps the wall of the circular steel tube. The structure of the clamping groove is simple, the clamping groove is not easy to deform in specific use, and the reuse rate is improved.
In some embodiments, the card slot is a ring card slot. The clamping groove is arranged to be an annular clamping groove, so that the structure is simple, and the operation and installation are convenient.
In some embodiments, the card slot is provided with a non-slip portion. The antiskid part can be a plurality of holes and/or bulges, and when an operator operates, the antiskid part can play an antiskid role, so that the operation difficulty is reduced.
In some embodiments, one end of the locking member is provided with a limiting part, and the limiting part cannot pass through the second through hole. The connection between the two round steel pipes is more stable.
In some embodiments, the locking member is provided with a third through hole, and the second through hole is internally provided with a positioning pin which penetrates through the third through hole. The friction force between the locking piece and the connector body is increased, so that the connection between the two circular steel tubes is more stable.
In some embodiments, the third through hole is provided with a positioning slot. When the circular steel tube connecting device is used specifically, the positioning pin is clamped in the positioning groove, so that the locking piece cannot be easily pulled out and further cannot fall off, installation is facilitated, and the stability of connection between two circular steel tubes can be improved.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is used for scaffold frame butt joint installation, especially the connection between two vertically circular steel tubes. The connecting device has the advantages of simple structure, few parts, capability of being operated by one person, no need of accurate angle alignment, simplicity and convenience in operation, good stability and good fastening effect, and improves the construction speed and safety; the round steel pipe with high utilization rate can be repeatedly used in the process of building the scaffold, the utilization rate of the round steel pipe is improved, and the round steel pipe can be widely applied to fastening and connection of the scaffold for buildings.
Drawings
Fig. 1 is a schematic structural view of a connector body according to the present invention;
FIG. 2 is a schematic view of the connector assembly of the present invention;
FIG. 3 is a schematic view of a lock of the present invention;
fig. 4 is a schematic view of the assembly structure of the present invention;
fig. 5 is a schematic view of the installation structure of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1 to 5, the present invention discloses an embodiment of a circular steel tube connecting device for connecting and locking two adjacent circular steel tubes 1. The round steel pipe connecting device comprises a connecting piece body 2, a connector 3 and a locking piece 4. The connector 3 is inserted into the connector body 2, and the connector body 2 and the connector 3 are connected by the locking member 4, and the connector body 2 and the connector 3 are locked.
Specifically, as shown in fig. 1, the connector body 2 includes a steel pipe connecting portion 21 and a connector accommodating cavity 22, the steel pipe connecting portion 21 is connected to the end of the circular steel pipe 1, and the connector accommodating cavity 22 is provided with a first through hole 220 and a locking hole 221.
As shown in fig. 2, the connector 3 includes a connecting end 31 and an engaging portion 32, the connecting end 31 is provided with a second through hole 310, the connecting end 31 penetrates through the connector accommodating cavity 22 of the connector body 2, and the engaging portion 32 is connected to the circular steel tube 1. The clamping portion 32 is a clamping groove which clamps the wall of the circular steel tube 1. In specific implementation, the clamping groove can be designed as a ring-shaped clamping groove. Simple structure, the installation of being convenient for, and non-deformable in the specific use has improved the rate of repeated use. The clamping groove can be further provided with an anti-skid part. The anti-slip part can be a plurality of holes and/or bulges, and can play an anti-slip role when an operator operates, so that the operation difficulty is reduced; and the anti-skid part can increase the friction force at the joint of the connector 3 and the circular steel tube 1, so that the connection stability between the connecting device and the circular steel tube 1 is better.
As shown in fig. 3, the locker 4 passes through the overlapped first and second through- holes 220 and 310; after the locking member 4 is rotated, the locking member 4 can pass through the overlapped first through hole 220, second through hole 310 and locking hole 221; the locking member 4 is provided with a fastening portion 41 having an interference fit between the through-holes after being overlapped with the first through-hole 220, the second through-hole 310 and the locking hole 221. In practical implementation, the end of the locking member 4 is further provided with a position-limiting portion 42, and the position-limiting portion 42 cannot pass through the second through hole 310. Then, a third through hole 43 is formed in the locking member 4, a positioning pin 311 is arranged in the second through hole 310, and the positioning pin 311 penetrates through the third through hole 43. Further, the third through hole 43 is provided with a positioning groove 430. During specific use, the positioning pin 311 is clamped in the positioning groove 430, so that the locking member 4 cannot be easily pulled out and further cannot fall off, the circular steel tube locking device is convenient to install, and the connection stability between the two circular steel tubes 1 can be improved.
As shown in fig. 4 and 5, the utility model discloses when concrete implementation, insert 1 inner wall of circular steel tube with the steel pipe connecting portion 21 of connecting piece body 2 for form interference fit between steel pipe connecting portion 21 and 1 inner wall of circular steel tube, when necessary, can also cooperate other parts to consolidate steel pipe connecting portion 21 and 1 junction of circular steel tube, make it connect more firmly. For example: can set up steel pipe connecting portion 21 to be "quincunx" structure for the cross-section, after 1 inner wall of circular steel tube was installed to this steel pipe connecting portion 21, beat the through-hole on 1 pipe wall of circular steel tube, the reuse pin is beated into from the through-hole for the pin tip card is in "quincunx" draw-in groove of steel pipe connecting portion 21.
After the steel pipe connecting portion 21 and the inner wall of the circular steel pipe 1 are connected, the connecting end 31 of the connector 3 is inserted into the connector accommodating cavity 22 of the connector body 2, so that the first through hole 220 on the connector accommodating cavity 22 is overlapped with the second through hole 310 on the connecting end 31. Further, the locking member 4 is inserted through the overlapped first through hole 220 and the second through hole 310; and the positioning pin 311 is installed in the connection end 31 such that the positioning pin 311 passes through the third through hole 43.
Next, the operator locks the wall of the other circular steel pipe 1 in the notch-shaped engaging portion 32. At the moment, the outer wall of the circular steel tube 1 is tightly attached to the side edge of the connecting piece body 2. Then, the locking part is rotated so that the locking member 4 can pass through the overlapped first through hole 220, second through hole 310 and locking hole 221; then, the locking member 4 is knocked towards the direction without the limiting portion 42 by means of external force (tools such as a hammer) so that the fastening portion 41 forms interference fit with the overlapped first through hole 220, second through hole 310 and locking hole 221, and the clamping portion 32 is tightly connected with the pipe wall of the circular steel pipe 1; at this time, the coupling device is in a locked state. Meanwhile, the positioning pin 311 is caught in the positioning groove 430 of the third through hole 43 of the locking member 4, so that the locking member 4 is not easily pulled out and is not easily detached. Since the retaining portion 42 is provided at one end of the locker 4, the locker 4 does not fall out of the overlapped first through-hole 220, second through-hole 310 and locking hole 221. This embodiment connecting device be used for the connection between two vertically circular steel tube 1, overall structure is simple, spare part is few, alone can operate, need not the accurate angle of aiming at, easy operation is convenient, and stability is good, and fastening effect is good, has improved construction speed and security.
In addition, some round steel pipes 1 with high utilization rate in the scaffold building process can be opened by external force, specifically, the locking member 4 is knocked towards the direction with the limiting part 42 by means of external force (tools such as a hammer), so that the fastening part 41 is far away from the overlapped first through hole 220, second through hole 310 and locking hole 221, and the connecting device is opened. Meanwhile, the positioning pin 311 is not caught in the positioning groove 430, so that the locker 4 is easily slid in the overlapped first through-hole 220, second through-hole 310 and locking hole 221. At this moment, connecting device is open mode, and the operator can be very convenient unpack apart two circular steel tubes 1 that are connected, and can not damage two circular steel tubes 1, and two circular steel tubes 1 all can used repeatedly, have improved the utilization ratio of circular steel tube 1, can more extensive application in the fastening and connection of scaffold for the building.
In the specific implementation of the present embodiment, the third through hole 43 is similar to a "7" shape as a whole, and the positioning groove 430 is located at the upper horizontal line of the "7" shape. Other variations and modifications that do not depart from the gist of the present disclosure are intended to be within the scope of the present disclosure.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (8)
1. The circular steel tube connecting device is used for connecting and locking two adjacent circular steel tubes and is characterized by comprising a connecting piece body, a connector assembly and a locking piece; the connector body comprises a steel pipe connecting part and a connector accommodating cavity, the steel pipe connecting part is connected with the end part of the round steel pipe, and the connector accommodating cavity is provided with a first through hole and a locking hole; the connector comprises a connecting end and a clamping part, a second through hole is formed in the connecting end, the connecting end penetrates through a connector accommodating cavity of the connector body, and the clamping part is connected with the circular steel tube; the locking piece penetrates through the overlapped first through hole and the second through hole; after the locking piece is rotated, the locking piece can penetrate through the overlapped first through hole, the second through hole and the locking hole; the retaining member is provided with a fastening portion which is in interference fit with the through holes after the first through hole, the second through hole and the locking hole are overlapped.
2. The round steel pipe connecting device according to claim 1, wherein the engaging portion is a locking groove, and the locking groove locks the wall of the round steel pipe.
3. The round steel tube connecting device according to claim 2, wherein the clamping groove is an annular clamping groove.
4. The round steel pipe connecting device according to claim 2 or 3, wherein the locking groove is provided with an anti-slip portion.
5. The round steel pipe connecting device according to claim 4, wherein the locking member is provided at one end thereof with a stopper portion which cannot pass through the second through hole.
6. The round steel tube connecting device according to claim 4, wherein the locking member is provided with a third through hole, a positioning pin is arranged in the second through hole, and the positioning pin penetrates through the third through hole.
7. The round steel tube connecting device according to claim 5, wherein the locking member is provided with a third through hole, a positioning pin is arranged in the second through hole, and the positioning pin penetrates through the third through hole.
8. Round steel pipe connecting device according to claim 6 or 7, characterized in that the third through hole is provided with a positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922470545.XU CN211597686U (en) | 2019-12-31 | 2019-12-31 | Round steel pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922470545.XU CN211597686U (en) | 2019-12-31 | 2019-12-31 | Round steel pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211597686U true CN211597686U (en) | 2020-09-29 |
Family
ID=72598849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922470545.XU Expired - Fee Related CN211597686U (en) | 2019-12-31 | 2019-12-31 | Round steel pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211597686U (en) |
-
2019
- 2019-12-31 CN CN201922470545.XU patent/CN211597686U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103343614A (en) | Scaffold unloading steel wire rope setting method | |
| CN211597686U (en) | Round steel pipe connecting device | |
| CN211597687U (en) | Scaffold connecting device | |
| CN205349353U (en) | Shield tunnel duct piece | |
| CN104358406A (en) | Scaffold mounting structure | |
| CN203905517U (en) | Quickly assembled or disassembled guard bar with connecting pieces | |
| CN204252518U (en) | Scaffold mounting structure | |
| CN210482949U (en) | Novel plug-in type scaffold | |
| CN208981753U (en) | Key slot type scaffold is fixedly connected device | |
| CN211597850U (en) | Liftable formwork support assembly who adjusts | |
| CN108612330B (en) | Steel structure safety rope bracket for high-altitude operation and installation and construction method thereof | |
| CN210858011U (en) | Concrete wall template reinforcing apparatus | |
| CN215368883U (en) | Fast and easy type wall opening plugging device | |
| CN210369934U (en) | Pump line plugging device | |
| CN104074279A (en) | Connecting structure applicable to connection of I-shaped steel bars and T-shaped steel bars | |
| CN217975495U (en) | Device for hanging safety rope on external scaffold | |
| CN212002129U (en) | Embedded scaffold | |
| CN216672540U (en) | Simple multifunctional cable suspension device | |
| CN209924445U (en) | Secondary adjusting device for assembling concrete steel templates | |
| CN218116135U (en) | Bridge anticollision wall template subassembly | |
| CN212859891U (en) | Connect firm stretch-draw board | |
| CN218619827U (en) | Safety clamp for hoisting steel structure | |
| CN216235609U (en) | Tower crane hoisting accessory for building | |
| CN213837682U (en) | Detachable and reusable wall connecting piece | |
| CN214423970U (en) | Adjustable corner wall connecting piece structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |