CN215254528U

CN215254528U - Anti-loosening bolt for engineering scaffold

Info

Publication number: CN215254528U
Application number: CN202120832381.5U
Authority: CN
Inventors: 黄秀玉
Original assignee: Zhejiang Qiantai Motorcycle Parts Co ltd
Current assignee: Zhejiang Qiantai Motorcycle Parts Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-21
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses an engineering scaffold in the field of mechanical parts is with locking bolt that moves, including the sleeve, the sleeve lower extreme is installed first connecting pipe, first connecting pipe inside is equipped with first pipeline, sleeve side end wall is equipped with first mounting hole, sleeve inside installs the second connecting pipe, second connecting pipe inside is equipped with the second pipeline, second connecting pipe side end wall is equipped with the second mounting hole, first mounting hole side end is installed the bolt, through installing a plurality of bumps on the screw thread of the bolt outside, make the screw thread on the bolt more closely with the internal thread connection in the mounting hole, can effectively avoid the bolt to become flexible and drop, be favorable to the maintenance to scaffold, and improved the security of scaffold; through the screw thread side installation plastic layer in the bolt outside, prevent the bolt roll-off when using, increased the live time of bolt, improved the practicality of bolt, and ensured workman's life safety.

Description

Anti-loosening bolt for engineering scaffold

Technical Field

The utility model relates to a machine part field specifically is locking bolt that moves for engineering scaffold frame.

Background

Bolt: mechanical parts, cylindrical threaded fasteners with nuts, and fasteners of the type consisting of a head and a screw, need to be matched with the nuts for fastening and connecting two parts with through holes. This type of connection is called a bolted connection, where the two parts can be separated if the nut is unscrewed from the bolt, so that the bolted connection is a detachable connection.

In the prior art, when a bolt is used, loosening often occurs, the upper thread of the bolt is not tightly connected with the internal thread in the mounting hole, so that the bolt is loosened after long-time use, the bolt is used for an engineering construction scaffold, and the loosening of the screw can cause the scaffold to collapse and cause injury and death of workers; and the upper thread surface of the bolt is too smooth, so that the bolt can slide more easily when in use, the bolt can slide outwards, the danger of the scaffold is increased, the life safety of workers is threatened, and the practicability of the bolt and the safety of the scaffold are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering scaffold frame is with locking bolt that moves to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the anti-loosening bolt for the engineering scaffold comprises a sleeve, wherein a first connecting pipe is installed at the lower end of the sleeve, a first pipeline is arranged inside the first connecting pipe, a first mounting hole is formed in the side end wall of the sleeve, a second connecting pipe is installed inside the sleeve, a second pipeline is arranged inside the second connecting pipe, a second mounting hole is formed in the side end wall of the second connecting pipe, a bolt is installed at the side end of the first mounting hole, a bolt head is installed on the left side of the bolt, a groove is formed in the bolt head, a wrench is installed inside the groove, a handle is arranged on the left side end of the wrench, a plastic ring is installed at the right side end of the wrench, a cylinder is arranged at the right side end of the bolt head, a plurality of first threads are arranged on the outer side of the cylinder, a plurality of second threads are arranged on the outer side of the cylinder, a plastic layer is installed on the right side of each of the plurality of second threads, and a plurality of third threads are arranged on the outer side of the cylinder, and a plurality of salient points are arranged at two side ends of the third threads.

As a further aspect of the present invention: the first connecting pipe is fixedly connected with the sleeve, and the sleeve is fixedly connected with the second connecting pipe through a bolt.

As a further aspect of the present invention: the bolt is fixedly connected with the sleeve through the first mounting hole, and the bolt is fixedly connected with the second connecting pipe through the second mounting hole.

As a further aspect of the present invention: the wrench is movably connected with the bolt head, the plastic ring is fixedly connected with the wrench, and the handle is fixedly connected with the wrench.

As a further aspect of the present invention: the bolt head is fixedly connected with the column body, and the groove is communicated with the interior of the bolt head.

As a further aspect of the present invention: a plurality of second screw thread and cylinder fixed connection, and it is a plurality of the plastic layer is with second screw thread fixed connection.

As a further aspect of the present invention: and the plurality of third threads are fixedly connected with the cylinder, and the plurality of convex points are fixedly connected with the third threads.

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

in the utility model, the plurality of salient points are arranged on the outer side threads of the bolt, so that the threads on the bolt are more tightly connected with the internal threads in the mounting hole, the bolt can be effectively prevented from loosening and falling, the scaffold is favorably maintained, and the safety of the scaffold is improved; through the screw thread side installation plastic layer in the bolt outside, prevent the bolt roll-off when using, increased the live time of bolt, improved the practicality of bolt, and ensured workman's life safety.

Drawings

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

FIG. 2 is a schematic structural view of the wrench of the present invention;

fig. 3 is an enlarged view of a position a in fig. 2 of the present invention.

In the figure: 1. a sleeve; 2. a first connecting pipe; 3. a first conduit; 4. a second connecting pipe; 5. a bolt head; 6. a groove; 7. a first mounting hole; 8. a second conduit; 9. a second mounting hole; 10. a wrench; 11. a handle; 12. a plastic ring; 13. a cylinder; 14. a first thread; 15. a plastic layer; 16. salient points; 17. a second thread; 18. a third thread; 19. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a loosening prevention bolt for an engineering scaffold includes a sleeve 1, a first connecting pipe 2 is installed at a lower end of the sleeve 1, a first pipeline 3 is installed inside the first connecting pipe 2, a first mounting hole 7 is installed on a side end wall of the sleeve 1, a second connecting pipe 4 is installed inside the sleeve 1, a second pipeline 8 is installed inside the second connecting pipe 4, a second mounting hole 9 is installed on a side end wall of the second connecting pipe 4, a bolt 19 is installed on a side end of the first mounting hole 7, a bolt head 5 is installed on a left side of the bolt 19, a groove 6 is installed inside the bolt head 5, a wrench 10 is installed inside the groove 6, a handle 11 is installed at a left side end of the wrench 10, a plastic ring 12 is installed at a right side end of the wrench 10, a cylinder 13 is installed at a right side end of the bolt head 5, a plurality of first cylinder threads 14 are installed outside the cylinder 13, a plurality of second threads 17 are installed on a right side of the plurality of second threads 17, a plastic layer 15 is installed, the outer side of the column body 13 is provided with a plurality of third threads 18, and both side ends of the plurality of third threads 18 are provided with a plurality of salient points 16.

Wherein, first connecting pipe 2 and sleeve 1 fixed connection, and sleeve 1 and second connecting pipe 4 pass through bolt 19 fixed connection, and during the use, first connecting pipe 2 and second connecting pipe 4 can be dismantled, make the scaffold frame conveniently remove and dismantle, and the repetitious usage of being convenient for has improved the practicality of scaffold frame.

Bolt 19 passes through first mounting hole 7 and sleeve 1 fixed connection, and bolt 19 passes through second mounting hole 9 and second connecting pipe 4 fixed connection, and during the use, inside inserting sleeve 1 with second connecting pipe 4, align first mounting hole 7 and second mounting hole 9, twist bolt 19 alright with sleeve 1 and second connecting pipe 4 fixed connection, improved bolt 19's functionality.

Spanner 10 and bolt head 5 swing joint, and plastic ring 12 and spanner 10 fixed connection, and handle 11 and spanner 10 fixed connection, during the use, insert the recess 6 of bolt head 5 inside with the one end of spanner 10, rotate, can twist into or twist out bolt 19, the installation and the dismantlement of the bolt 19 of being convenient for, and install plastic ring 12 on the spanner 10, make spanner 10 can not slide when twisting bolt 19, make spanner 10 operate better.

The bolt head 5 is fixedly connected with the column body 13, the groove 6 is communicated with the inside of the bolt head 5, and when the bolt is used, the bolt 19 is inserted into the groove 6 through the wrench 10 to rotate, so that the installation and the disassembly of the bolt 19 are completed.

A plurality of second screw threads 17 and cylinder 13 fixed connection, and a plurality of plastic layers 15 and second screw thread 17 fixed connection, during the use, second screw thread 17 right side end installation plastic layer 15 makes screw rod 19 antiskid anti-drop when using, has increased the security of scaffold frame.

A plurality of third screw threads 18 and cylinder 13 fixed connection, and a plurality of bumps 16 and third screw thread 18 fixed connection, during the use, the setting up of bump 16 makes third screw thread 18 and first mounting hole 7 and second mounting hole 9 be connected inseparabler, prevents that the bolt is not hard up when using, is favorable to the maintenance to bolt 19.

The utility model discloses a theory of operation is: firstly, inserting a second connecting pipe 4 into a sleeve 1, aligning a first mounting hole 7 with a second mounting hole 9, screwing a bolt 19 by using a wrench 10 to fixedly connect the sleeve 1 with the second connecting pipe 4, avoiding the separation of the first connecting pipe 2 from the second connecting pipe 4, inserting one end of the wrench 10, which is provided with a plastic ring 12, into a groove 6 in a bolt head 5, aligning the bolt 19 into the first mounting hole 7 at the side end of the sleeve 1, rotating the wrench 10 to screw the bolt 19 clockwise, installing a column body 13 at the right side of the bolt head 5, installing a second thread 17 on the side end wall of the column body 13, installing a plastic layer 15 at the right end of the second thread 17, enabling the bolt 19 to effectively prevent skidding when in use, avoiding the bolt 19 from slipping out to collapse a scaffold in the use process and causing casualties, installing a third thread 18 at the side end of the column body 13, installing a plurality of salient points 16 at both sides of the third thread 18, the raised point 16 reduces the clearance between the third thread 18 and the second mounting hole 9 after use, and makes the bolt 19 more stable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Locking bolt that moves for engineering scaffold frame, including sleeve (1), its characterized in that: the connecting structure is characterized in that a first connecting pipe (2) is installed at the lower end of the sleeve (1), a first pipeline (3) is arranged inside the first connecting pipe (2), a first mounting hole (7) is formed in the side end wall of the sleeve (1), a second connecting pipe (4) is installed inside the sleeve (1), a second pipeline (8) is arranged inside the second connecting pipe (4), a second mounting hole (9) is formed in the side end wall of the second connecting pipe (4), a bolt (19) is installed at the side end of the first mounting hole (7), a bolt head (5) is installed on the left side of the bolt (19), a groove (6) is arranged inside the bolt head (5), a spanner (10) is installed inside the groove (6), a handle (11) is arranged at the left side end of the spanner (10), a plastic ring (12) is installed at the right side end of the spanner (10), a column body (13) is arranged at the right side end of the bolt head (5), the cylinder (13) outside is equipped with a plurality of first screw threads (14), the cylinder (13) outside is equipped with a plurality of second screw threads (17), and is a plurality of plastic layer (15) are all installed on second screw thread (17) right side, the cylinder (13) outside is equipped with a plurality of third screw threads (18), and is a plurality of third screw thread (18) both sides end all is equipped with a plurality of bumps (16).

2. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the first connecting pipe (2) is fixedly connected with the sleeve (1), and the sleeve (1) is fixedly connected with the second connecting pipe (4) through a bolt (19).

3. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the bolt (19) is fixedly connected with the sleeve (1) through the first mounting hole (7), and the bolt (19) is fixedly connected with the second connecting pipe (4) through the second mounting hole (9).

4. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the wrench (10) is movably connected with the bolt head (5), the plastic ring (12) is fixedly connected with the wrench (10), and the handle (11) is fixedly connected with the wrench (10).

5. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the bolt head (5) is fixedly connected with the column body (13), and the groove (6) is communicated with the interior of the bolt head (5).

6. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the plurality of second threads (17) are fixedly connected with the column body (13), and the plurality of plastic layers (15) are fixedly connected with the second threads (17).

7. The anti-loosening bolt for the engineering scaffold according to claim 1, wherein: the third threads (18) are fixedly connected with the column body (13), and the salient points (16) are fixedly connected with the third threads (18).