CN217975350U

CN217975350U - Scaffold connecting fitting

Info

Publication number: CN217975350U
Application number: CN202121880002.6U
Authority: CN
Inventors: 刘成文
Original assignee: GUANGZHOU LEADER EQUIPMENT Ltd
Current assignee: GUANGZHOU LEADER EQUIPMENT Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-12-06
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a scaffold connecting fitting, which comprises a fixed inner ring, a rotary outer ring, a locking device, a connecting joint and a locking device; the rotating outer ring is sleeved outside the fixed inner ring and can rotate around the central axis of the fixed inner ring relative to the fixed inner ring; the rotating outer ring is provided with a plurality of locking holes which are circumferentially arranged around the central axis of the rotating outer ring, and the locking device is arranged on the fixed inner ring and is used for being inserted into the locking holes to lock the rotating outer ring; the rotating outer ring is provided with a connecting arm, the connecting joint is mounted on the connecting arm and can rotate around a first axis, the connecting joint is locked on the connecting arm through a locking device, and the central axis of the fixed inner ring is perpendicular to the first axis. The utility model can adjust the direction of the connecting joint and match with connecting rods with different directions, thereby expanding the application range; in addition, the position and the direction of the connecting joint can be conveniently adjusted, and the adjusting time can be saved.

Description

Scaffold connecting fitting

Technical Field

The utility model relates to a scaffold puts up connecting fitting.

Background

The existing scaffold connecting fittings are generally used for connecting rods of a scaffold and comprise a ferrule and a connecting joint arranged on the ferrule, and when the scaffold connecting fittings are used, the ferrule is connected to a vertical rod of the scaffold and is connected with the connecting rods through the connecting joint. But the connecting rod of different scaffolds often adopts different orientation settings (for example, the connecting rod of some scaffolds adopts the level setting, and the connecting rod of some scaffolds adopts the slope setting), nevertheless because the unable regulation of the connector's of current scaffold connection accessory direction causes only to match with the connecting rod of a certain orientation, can't match with the connecting rod of different orientations to lead to application scope comparatively narrowly.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a scaffold connecting fitting, its adjustable connector's direction can be matched with the connecting rod of different orientations to its application scope can be enlarged.

The purpose of the utility model is realized by adopting the following technical scheme:

a scaffold connecting fitting comprises a fixed inner ring, a rotary outer ring, a locking device, a connecting joint and a locking device; the rotating outer ring is sleeved outside the fixed inner ring and can rotate around the central axis of the fixed inner ring relative to the fixed inner ring; the locking device is arranged on the fixed inner ring and is used for being inserted into the locking holes to lock the rotating outer ring; the rotating outer ring is provided with a connecting arm, the connecting joint is mounted on the connecting arm and can rotate around a first axis, the connecting joint is locked on the connecting arm through a locking device, and the central axis of the fixed inner ring is perpendicular to the first axis.

The locking device comprises a mounting seat fixed on the fixed inner ring, a locking needle capable of being inserted into the mounting seat in a lifting way and an elastic element; the locking pin is inserted into the locking hole, and the elastic element abuts against the space between the locking pin and the mounting seat and is used for providing elastic force for promoting the locking pin to move downwards.

And the fixed inner ring is also provided with a through hole which is right opposite to the inner cavity of the mounting seat and through which the locking needle passes.

The locking needle is further provided with a limiting ring extending along the radial direction, the limiting ring is located in the mounting seat, and the top surface of the fixed inner ring is used for the limiting ring to abut against.

The elastic element is a spring, the lower end of the spring abuts against the limiting ring, and the upper end of the spring abuts against the inner top wall of the mounting seat.

And a supporting element for supporting the locking needle is movably arranged on the mounting seat.

The mounting seat is provided with a threaded hole, and the bearing element is a bearing nail in threaded connection in the threaded hole.

The connecting joint is installed on the connecting arm through a bolt, a first perforation is arranged on the connecting joint, a second perforation is arranged on the connecting arm, and the bolt penetrates through the first perforation and the second perforation.

The locking device is a nut which is in threaded connection with the bolt.

An upper limiting flange and a lower limiting flange positioned below the upper limiting flange are arranged on the fixed inner ring; the rotating outer ring is limited between the upper limiting flange and the lower limiting flange.

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

the utility model provides a scaffold connecting fitting, it is through adopting the combined design of fixed inner circle, rotatory outer lane, locking device, attach fitting, and locking device, through rotating rotatory outer lane, can adjust the position of attach fitting, and through rotatory attach fitting, can adjust the direction of attach fitting, can match with the connecting rod of different orientations, thereby can enlarge its application scope; in addition, the position and the direction of the connecting joint can be conveniently adjusted, and the adjusting time can be saved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is an exploded view of the locking device;

FIG. 5 is a schematic structural view of a fixed inner ring;

FIG. 6 is a schematic view of a rotating outer ring;

FIG. 7 is another schematic view of the rotating outer race;

10, fixing the inner ring; 11. a through hole; 12. an upper restraint flange; 13. a lower limit flange; 14. mounting grooves; 15. positioning rings; 16. a ball bearing; 20. rotating the outer ring; 21. a locking hole; 22. a connecting arm; 23. a guide groove; 30. a locking device; 31. a mounting seat; 32. a locking needle; 33. an elastic element; 34. a limiting ring; 35. a holding member; 40. connecting a joint; 50. a locking device; 60. and (4) bolts.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 7, a scaffold connection fitting includes a fixed inner ring 10, a rotating outer ring 20, a locking device 30, a connection joint 40, and a locking device 50; the rotating outer ring 20 is sleeved outside the fixed inner ring 10 and can rotate around the central axis of the fixed inner ring 10 relative to the fixed inner ring 10; the rotating outer ring 20 is provided with a plurality of locking holes 21 which are circumferentially arranged around the central axis of the rotating outer ring 20, and the locking device 30 is mounted on the fixed inner ring 10 and is used for being inserted into the locking holes 21 to lock the rotating outer ring 20; the rotating outer ring 20 is provided with a connecting arm 22, the connecting joint 40 is mounted on the connecting arm 22 and can rotate around a first axis, the connecting joint 40 is locked on the connecting arm 22 through a locking device 50, and the central axis of the fixed inner ring 10 is perpendicular to the first axis.

When the adjustable connecting joint is used, the fixed inner ring 10 is fixed on a vertical rod of a scaffold, the rotating outer ring 20 is rotated, the corresponding locking hole 21 is aligned to the locking device 30, then the locking device 30 is inserted into the corresponding locking hole 21 to lock the rotating outer ring 20, so that the position of the connecting joint 40 can be adjusted, when the adjustable connecting joint is used, the connecting joint 40 can be rotated around a first axis, and then the connecting joint 40 is locked on the connecting arm 22 through the locking device 50, so that the direction of the connecting joint 40 can be adjusted, and the adjustable connecting joint can be matched with connecting rods in different directions, and the application range of the adjustable connecting joint can be expanded.

The locking device 30 comprises a mounting seat 31 fixed on the fixed inner ring 10, a locking needle 32 inserted in the mounting seat 31 in a liftable way and an elastic element 33; the locking pin 32 is configured to be inserted into the locking hole 21, and the elastic element 33 abuts between the locking pin 32 and the mounting seat 31 and is configured to provide an elastic force for urging the locking pin 32 to move downwards. In the process of adjusting the position of the connection joint 40, the locking pin 32 may be lifted upwards to separate the locking pin 32 from the locking hole 21, then the rotating outer ring 20 is rotated, the corresponding locking hole 21 is rotated to face the locking pin 32 along with the rotating outer ring 20, and then the locking pin 32 is released, and at this time, the locking pin 32 moves downwards under the elastic force of the elastic element 33 and is inserted into the locking hole 21. By adopting the above structure, the locking operation of the rotating outer ring 20 can be facilitated.

The fixed inner ring 10 is also provided with a through hole 11 which is opposite to the inner cavity of the mounting seat 31 and through which the locking needle 32 passes. The locking needle 32 is further provided with a radially extending limiting ring 34, the limiting ring 34 is located in the mounting seat 31, and the top surface of the fixing inner ring 10 is used for the limiting ring 34 to abut against. The elastic element 33 is a spring, the lower end of the spring abuts against the limiting ring 34, and the upper end of the spring abuts against the inner top wall of the mounting seat 31, so as to facilitate mounting. Specifically, the limiting ring 34 is sleeved on the locking needle 32 and is in clamping fit with the locking needle 32.

Specifically, mount pad 31 is including being hollow circular cylinder's cylinder, setting up the top cap in the cylinder top, be provided with the apical pore that supplies locking needle 32 to wear out on the top cap, the diameter of apical pore is less than the diameter of spacing collar 34 to when pulling locking needle 32 up, can play limiting displacement through spacing collar 34, in order to avoid appearing the phenomenon that locking needle 32 and mount pad 31 separate.

Specifically, the top of the locking pin 32 is further provided with a top plate located outside the mounting seat 31, so that the top plate can be held to facilitate the lifting operation of the locking pin 32.

A holding member 35 for holding the locking pin 32 is movably mounted on the mounting seat 31. The mounting seat 31 is provided with a threaded hole, and the supporting element 35 is a supporting nail which is in threaded connection with the threaded hole. And when lifting locking needle 32 upwards and making locking needle 32 and locking hole 21 separate, can the upwards rotatory bearing nail to usable bearing nail bearing locking needle 32, and need not the manual locking needle 32 that holds in the palm of operating personnel, so that the rotation operation of rotatory outer lane 20 is convenient for carry out, and treat that rotatory outer lane 20 rotates the back that targets in place, operating personnel can manually hold locking needle 32, and it is rotatory downwards to follow bearing nail again, then release locking needle 32 again, makes locking needle 32 can the downstream reset.

The connecting joint 40 is mounted on the connecting arm 22 through a bolt 60, a first through hole is formed in the connecting joint 40, a second through hole is formed in the connecting arm 22, and the bolt 60 penetrates through the first through hole and the second through hole. The locking device 50 is a nut that is threaded onto the bolt 60. In use, the nut is tightened by loosening the nut, then rotating the connector 40 about the first axis, and then once in place. By adopting the above structure, the operation of adjusting the direction of the connecting joint 40 can be facilitated. Specifically, the first axis is a central axis of the bolt 60.

The fixed inner ring 10 is provided with an upper limiting flange 12 and a lower limiting flange 13 positioned below the upper limiting flange 12; the rotating outer ring 20 is restrained between the upper restraint flange 12 and the lower restraint flange 13, and the upper restraint flange 12 and the lower restraint flange 13 are used to restrain the rotating outer ring 20.

Preferably, an installation groove 14 with a circular extending track is formed in the lower limiting flange 13, a locating ring 15 is arranged on the installation groove 14, a plurality of balls 16 are arranged in the installation groove 14, a plurality of penetrating holes which correspond to the balls 16 respectively in a one-to-one manner and are used for extending the upper ends of the corresponding balls 16 are formed in the locating ring 15, a guide groove 23 is formed in the lower end of the rotating outer ring 20, and the top wall of the guide groove 23 is in rolling fit with the balls 16. By adopting the above configuration, the smoothness of the rotation of the outer ring 20 can be improved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. A scaffold connecting fitting, its characterized in that: the locking device comprises a fixed inner ring, a rotary outer ring, a locking device, a connecting joint and a locking device; the rotating outer ring is sleeved outside the fixed inner ring and can rotate around the central axis of the fixed inner ring relative to the fixed inner ring; the locking device is arranged on the fixed inner ring and is used for being inserted into the locking holes to lock the rotating outer ring; the rotating outer ring is provided with a connecting arm, the connecting joint is mounted on the connecting arm and can rotate around a first axis, the connecting joint is locked on the connecting arm through a locking device, and the central axis of the fixed inner ring is perpendicular to the first axis.

2. The scaffold connection fitting of claim 1, wherein: the locking device comprises a mounting seat fixed on the fixed inner ring, a locking needle capable of being inserted into the mounting seat in a lifting way and an elastic element; the locking pin is inserted into the locking hole, and the elastic element abuts against the space between the locking pin and the mounting seat and is used for providing elastic force for promoting the locking pin to move downwards.

3. The scaffold connection fitting of claim 2, wherein: and the fixed inner ring is also provided with a through hole which is right opposite to the inner cavity of the mounting seat and through which the locking needle passes.

4. The scaffold connection fitting of claim 3, wherein: the locking needle is further provided with a limiting ring extending along the radial direction, the limiting ring is located in the mounting seat, and the top surface of the fixed inner ring is used for the limiting ring to abut against.

5. The scaffold connection fitting of claim 4, wherein: the elastic element is a spring, the lower end of the spring abuts against the limiting ring, and the upper end of the spring abuts against the inner top wall of the mounting seat.

6. The scaffold connection fitting of claim 5, wherein: and a supporting element for supporting the locking needle is movably arranged on the mounting seat.

7. The scaffold connection fitting of claim 6, wherein: the mounting seat is provided with a threaded hole, and the bearing element is a bearing nail in threaded connection in the threaded hole.

8. The scaffold connection fitting of claim 1, wherein: the connecting joint is installed on the connecting arm through a bolt, a first perforation is arranged on the connecting joint, a second perforation is arranged on the connecting arm, and the bolt penetrates through the first perforation and the second perforation.

9. The scaffold connection fitting of claim 8, wherein: the locking device is a nut which is in threaded connection with the bolt.

10. The scaffold connection fitting of claim 1, wherein: an upper limiting flange and a lower limiting flange positioned below the upper limiting flange are arranged on the fixed inner ring; the rotating outer ring is limited between the upper limit flange and the lower limit flange.