CN211080600U

CN211080600U - Net rack pull rod quick connection structure

Info

Publication number: CN211080600U
Application number: CN201921899405.8U
Authority: CN
Inventors: 吴明辉
Original assignee: Shandong Jining Tianyu Steel Structure Co ltd
Current assignee: Shandong Jining Tianyu Steel Structure Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-24
Anticipated expiration: 2029-11-06

Abstract

The utility model provides a net rack pull rod quick connection structure; a quick connecting structure of a net rack pull rod comprises a first ball body, a second ball body and a third ball body, wherein two sides of the first ball body are rotatably connected with the first pull rod, the first pull rod is rotatably connected with the second ball body, a second pull rod is arranged between the third ball body and the second ball body, a check nut penetrates through the top of the first ball body, the inner thread of the check nut is connected with a screw, the surface of the screw is sleeved with a gear, and the surfaces of the three gears are meshed with a rack strip; the utility model provides a rack pull rod quick connect structure rotates to the horizontality through the first pull rod with first spheroid both sides, twists the screw into first spheroid in, drives all the other two screws and rotates thereupon through the rack area when a screw rotates, realizes that the three gear with rack area meshing drives three corresponding screw and twists first spheroid simultaneously, and the workman of being convenient for installs the rack pull rod fast.

Description

Net rack pull rod quick connection structure

Technical Field

The utility model relates to a rack connection structure field especially relates to a rack pull rod quick connect structure.

Background

The space structure formed by connecting a plurality of rod pieces through nodes according to a certain grid form has the advantages of small space stress, light weight, high rigidity, good earthquake resistance and the like; the composite material can be used as a roof of buildings such as a gymnasium, a movie theater, an exhibition hall, a waiting hall, a stadium stand canopy, an hangar, a bidirectional large-column-distance workshop and the like, and has the defects of more rod pieces converged on the nodes and complex manufacturing and installation compared with a plane structure.

The existing net rack pull rod is usually connected with a plurality of pull rods on one connecting ball in a rotating mode through threads, workers are required to manually turn the pull rods into or out of the connecting ball during assembling and disassembling, a large amount of manpower and time are consumed in the method, and the working progress is influenced.

Therefore, it is necessary to provide a quick connecting structure for a rack pull rod to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rack pull rod quick connect structure has solved the pull rod and has need rely on the workman to change over to or roll out the pull rod manually and connect the ball, consumes the manpower too big, and hinders the job schedule.

In order to solve the technical problem, the utility model provides a net rack pull rod quick connection structure, which comprises a first ball body, a second ball body and a third ball body, two sides of the first sphere are rotatably connected with first pull rods, one end of each first pull rod penetrates through the first sphere and extends into the first sphere, one end of the first pull rod, which is far away from the first sphere, is rotatably connected with the inside of the second sphere, a second pull rod is arranged between one side of the third sphere, which is opposite to the second sphere, a locknut penetrates through the top of the first sphere, a screw is connected with the internal thread of the locknut, one end of the screw penetrates through the first sphere and extends to the inside of the first sphere, a gear is sleeved on the surface of one end, located outside the first sphere, of the screw, a rack belt is meshed on the surface of the gear, and a third pull rod is arranged between the second spheres.

Preferably, one side of each of the two third spheres opposite to each other is rotatably connected with the first sphere through a first pull rod, and the first pull rod penetrates through the third spheres and extends into the third spheres.

Preferably, the front surface and the back surface of the second sphere are both fixedly connected with a shell, and the right side of the shell is fixedly connected with a spring.

Preferably, one end of the spring, which is far away from the housing, is fixedly connected with a screw, and the screw penetrates through the housing and extends into the housing.

Preferably, the two ends of the third pull rod close to the side surface of the first sphere are provided with long grooves matched with the screws.

Preferably, the surface of the screw, which is located at the bottom of the inner end of the first sphere, is sleeved with a limiting plate.

Compared with the prior art, the utility model provides a rack pull rod quick connect structure has following beneficial effect:

the utility model provides a net rack pull rod fast connecting structure, the first pull rod on both sides of the first sphere is rotated to the horizontal state, the screw is screwed into the first sphere by using an electric drill until the bottom of the limiting plate contacts with the top of the first pull rod, at the moment, under the extrusion of acting force, the first pull rod can not rotate, the use safety of the net rack structure is ensured, when the screw rotates, the gear on the surface of the screw rotates along with the screw, the rack belt meshed with the gear rotates along with the gear, the other two gears are driven to rotate, then the screws in the other two gears rotate along with the gear, three gears meshed with the rack belt drive three corresponding screws to be screwed into the first sphere simultaneously, the net rack pull rod is convenient for workers to install quickly, the working time is shortened, the working efficiency is improved, the engineering progress is accelerated, the third pull rod is inserted into the shell, the screw is driven outwards, the front end of the third pull rod contacts with the back of the second sphere, at the moment, the screw is released, the spring rebounds to enable one end, located inside the shell, of the screw to be inserted into the long groove in the side face of the third pull rod, the third pull rod is fixed in the shell through the screw, the device only needs to be installed when the device is used for the first time, the installation and retraction time of the grid structure is greatly shortened through the improvement of the device, and the rapid development requirement of the modern society is met.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a quick connecting structure of a rack pull rod according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic top plan view of the configuration of the rack belt shown in FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

fig. 6 is a partial enlarged view of fig. 4 at D.

Reference numbers in the figures: 1. the ball type locking mechanism comprises a first ball body, a second ball body, a third ball body, a rack belt, a first pull rod, a second pull rod, a rack belt.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, in which fig. 1 is a schematic structural view of a preferred embodiment of a quick connecting structure for a rack rod according to the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is an enlarged view of a portion of FIG. 1 at B; FIG. 4 is a schematic top plan view of the configuration of the rack belt shown in FIG. 1; FIG. 5 is an enlarged view of a portion of FIG. 4 at C; fig. 6 is a partial enlarged view of fig. 4 at D. The net rack pull rod quick connection structure comprises a first ball body 1, a second ball body 2 and a third ball body 3, the diameter of the first ball body 1 is smaller than that of the second ball body 2 and the third ball body 3, the diameters of the second ball body 2 and the third ball body 3 are the same, two sides of the first ball body 1 are rotatably connected with first pull rods 5, the first pull rods 5 can only rotate downwards and only rotate to a vertical state, and can only rotate upwards to a horizontal state, one end of each first pull rod 5 penetrates through the first ball body 1 and extends to the inside of the first ball body 1, a groove body matched with the first pull rod 5 is formed in the first ball body 1, one end, far away from the first ball body 1, of each first pull rod 5 is rotatably connected with the inside of the second ball body 2, a groove body matched with the first pull rod 5 is formed in the second ball body 2, a second pull rod 9 is arranged between one side, opposite to the second ball body 2, of the third ball body 3, second pull rod 9 rotates with third spheroid 3 to be connected, set up on the third spheroid 3 with the cell body of second pull rod 9 looks adaptation, locknut 6 has been run through at first spheroid 1's top, the inside threaded connection of locknut 6 has screw 7, the one end of screw 7 is run through first spheroid 1 and is extended to the inside of first spheroid 1, the surface cover that screw 7 is located the outside one end of first spheroid 1 is equipped with gear 8, three gear 8's surface meshing has rack area 4, and rack area 4 is according to actual need to come the corresponding length of customization, two be provided with third pull rod 11 between the second spheroid 2.

Two rotate through first pull rod 5 and first spheroid 1 between the relative one side of third spheroid 3 and be connected, first pull rod 5 runs through third spheroid 3 and extends to the inside of third spheroid 3, offers the cell body with first pull rod 5 looks adaptation on the third spheroid 3.

The front and the back of the second sphere 2 are both fixedly connected with a shell 10, and the right side of the shell 10 is fixedly connected with a spring 12.

One end of the spring 12, which is far away from the housing 10, is fixedly connected with a screw 13, and the screw 13 penetrates through the housing 10 and extends into the housing 10.

The two ends of the third pull rod 11 close to the side surface of the first sphere 1 are provided with long grooves 14 matched with the screws 13.

The surface cover that the screw 7 is located the inside one end bottom of first spheroid 1 is equipped with limiting plate 15, and limiting plate 15 can prevent to pull out the inside of first spheroid 1 with screw 7 completely when pulling screw 7.

The utility model provides a rack pull rod quick connect structure's theory of operation as follows:

the first pull rods 5 at two sides of the first ball body 1 are rotated to a horizontal state, the screws 7 are screwed into the first ball body 1 by an electric drill until the bottom of the limiting plate 15 is contacted with the top of the first pull rod 5, at the moment, under the extrusion of an acting force, the first pull rod 5 cannot rotate, the use safety of the grid structure is ensured, when the screws 7 rotate, the gears 8 on the surfaces of the screws 7 rotate along with the screws, the rack belts 4 meshed with the gears 8 rotate along with the gears 8 to drive the other two gears 8 to rotate, the screws 7 in the other two gears 8 rotate along with the gears 8, three gears 8 meshed with the rack belts 4 drive three corresponding screws 7 to be simultaneously screwed into the first ball body 1, workers can conveniently and quickly install the grid pull rods, the working time is shortened, the working efficiency is improved, the engineering progress is accelerated, the third pull rod 11 is inserted into the shell body 10, the screws 13 are outwards moved, the front end of the third pull rod 11 is contacted with the back of the second ball body 2, at the moment, the screw 13 is released, under the acting force of the spring 12, the spring 12 rebounds, at the moment, one end of the screw 13, which is positioned inside the shell 10, is inserted into the long groove 14 on the side surface of the third pull rod 11, the screw 13 fixes the third pull rod 11 in the shell 10, according to the actual requirement, a corresponding number of the third pull rods 11 are installed, the device only needs to install the third pull rod 11 when in initial use, after use, the screw 7 is screwed out of the first ball body 1 to the top of the limit plate 15 by using an electric drill and is stopped when being contacted with the bottom end of the locknut 6, when the screw 7 rotates, the gear 8 on the surface of the screw 7 rotates along with the screw, the rack belt 4 meshed with the gear 8 rotates to drive the other two gears 8 to rotate, the screws 7 inside the other two gears 8 rotate along with the screw belt 8, and the three gears 8 meshed with the rack belt 4 drive three corresponding screws 7, first pull rod 5 does not receive the hindrance of screw 7 this moment, can rotate downwards, makes first spheroid 1 rebound, and the rack pull rod is packed up fast to the workman of being convenient for, and can install fast when convenient next use.

the first pull rods 5 at two sides of the first ball body 1 are rotated to a horizontal state, the screws 7 are screwed into the first ball body 1 by an electric drill until the bottom of the limiting plate 15 is contacted with the top of the first pull rod 5, at the moment, under the extrusion of an acting force, the first pull rod 5 cannot rotate, the use safety of the grid structure is ensured, when the screws 7 rotate, the gears 8 on the surfaces of the screws 7 rotate along with the screws, the rack belts 4 meshed with the gears 8 rotate along with the gears 8 to drive the other two gears 8 to rotate, the screws 7 in the other two gears 8 rotate along with the gears 8, three gears 8 meshed with the rack belts 4 drive three corresponding screws 7 to be simultaneously screwed into the first ball body 1, workers can conveniently and quickly install the grid pull rods, the working time is shortened, the working efficiency is improved, the engineering progress is accelerated, the third pull rod 11 is inserted into the shell body 10, the screws 13 are outwards moved, the front end of the third pull rod 11 is in contact with the back of the second ball body 2, the screw 13 is released, the spring 12 rebounds to enable one end, located inside the shell 10, of the screw 13 to be inserted into the long groove 14 in the side face of the third pull rod 11, the screw 13 fixes the third pull rod 11 in the shell 10, the device only needs to be installed on the third pull rod 11 during initial use, the improvement of the device greatly shortens the installation and retraction time of the grid structure, and meets the rapid development requirements of modern society.

Claims

1. The utility model provides a rack pull rod quick connect structure, includes first spheroid (1), second spheroid (2) and third spheroid (3), its characterized in that: the two sides of the first sphere (1) are rotatably connected with first pull rods (5), one end of each first pull rod (5) penetrates through the first sphere (1) and extends into the first sphere (1), one end, far away from the first sphere (1), of each first pull rod (5) is rotatably connected with the inside of the second sphere (2), a second pull rod (9) is arranged between one opposite sides of the third sphere (3) and the second sphere (2), a check nut (6) penetrates through the top of the first sphere (1), a screw (7) is connected with the inner thread of the check nut (6), one end of the screw (7) penetrates through the first sphere (1) and extends into the first sphere (1), a gear (8) is sleeved on the surface, located at one external end of the first sphere (1), of the screw (7), a toothed strip (4) is meshed with the surface of the gear (8), a third pull rod (11) is arranged between the two second spheres (2).

2. The net rack draw bar quick connection structure according to claim 1, wherein one side of the two third spheres (3) opposite to each other is rotatably connected with the first sphere (1) through a first draw bar (5), and the first draw bar (5) penetrates through the third spheres (3) and extends into the third spheres (3).

3. The net rack pull rod quick connection structure according to claim 1, wherein a shell (10) is fixedly connected to both the front surface and the back surface of the second sphere (2), and a spring (12) is fixedly connected to the right side of the shell (10).

4. The net rack pull rod quick connection structure according to claim 3, wherein one end of the spring (12) far away from the shell (10) is fixedly connected with a screw (13), and the screw (13) penetrates through the shell (10) and extends to the inside of the shell (10).

5. The net rack pull rod quick connection structure according to claim 1, wherein the side surfaces of two ends of the third pull rod (11) close to the first ball body (1) are provided with long grooves (14) matched with the screws (13).

6. The net rack pull rod quick connection structure according to claim 1, wherein a limiting plate (15) is sleeved on the surface of the screw (7) at the bottom of one end inside the first sphere (1).