CN219013100U

CN219013100U - Anti-drop expansion screw for installing edge guardrail

Info

Publication number: CN219013100U
Application number: CN202223455025.XU
Authority: CN
Inventors: 赵洋
Original assignee: Tianjin Zhengheyuan Environmental Protection Technology Co ltd
Current assignee: Tianjin Zhengheyuan Environmental Protection Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-12
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses an anti-falling expansion screw for installing a limb guardrail, which comprises the following components: the device comprises a device body, wherein the device body comprises a shell, and a first threaded column is connected with the interior of the shell in a threaded manner. According to the utility model, the shell is placed in a mounting hole which is punched in advance, then the second threaded column is placed in the shell, the first threaded column is driven to be in threaded connection with the inside of the shell and move through rotating the hexagonal fixed block, meanwhile, the second threaded column is in threaded connection with the inside of the first threaded cylinder, so that the first threaded cylinder is driven to move on the surface of the second threaded column, the first inserted rod is driven to move towards the outer side of the shell through the movement of the first threaded cylinder, at the moment, the surface of the second threaded column is contacted with the inner wall of the groove formed on the surface of the fixed column, so that the fixed column is driven to move, the second inserted rod is driven to move towards the outer side of the shell through the movement of the fixed column, and the problem that the expansion screw is easy to fall off for a long time is solved through the arrangement.

Description

Anti-drop expansion screw for installing edge guardrail

Technical Field

The utility model relates to the field of expansion screws, in particular to an anti-falling expansion screw for installing an edge guardrail.

Background

The guardrail is a fence, which is referred to herein as an industrial "guard rail". The guardrail is mainly used for protecting personal safety and equipment and facilities in occasions such as houses, highways, commercial areas and public places, is visible everywhere in our life, and expansion screws are needed when the guardrail is installed.

However, in the prior art, when the expansion screw is actually used, the wedge-shaped inclination is utilized to promote expansion to generate friction grip force, so that the effect of fixation is achieved, and a series of reasons such as shaking of the guardrail when the guardrail is used for a long time can lead to expansion of a mounting hole on the ground, so that the expansion screw is unstable in falling and fixation.

Disclosure of Invention

The utility model aims to provide an anti-falling expansion screw for installing an edge guardrail, which solves the problem that the expansion screw is easy to fall off after a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: comprising the following steps:

the device comprises a device body, wherein the device body comprises a shell, a first threaded column is connected with the interior of the shell through threads, a second threaded column is fixedly connected with one end of the first threaded column, and a second threaded cylinder is fixedly connected with the other end of the first threaded column;

the fixing assembly comprises a first threaded cylinder movably connected inside the shell, a plurality of first inserted bars are fixedly connected to the surface of the first threaded cylinder, one end, far away from the first threaded cylinder, of each first inserted bar movably penetrates through and extends to the outer side of the shell, and the inside of the first threaded cylinder is in threaded connection with the surface of the second threaded column; the inside swing joint of casing has the fixed column, the one end fixedly connected with of fixed column a plurality of second inserted bars, the recess is seted up to the other end of fixed column, the second inserted bar activity runs through and extends to the outside of casing.

Preferably, one end of the second threaded cylinder, which is far away from the first threaded column, is fixedly connected with a hexagonal fixing block, and one end of the hexagonal fixing block, which is far away from the second threaded cylinder, is fixedly connected with a third threaded column.

Preferably, a round hole is formed in one end, far away from the hexagonal fixed block, of the third threaded column, a waterproof cover is movably connected inside the round hole, and a plurality of sliding grooves are formed in the surface of the waterproof cover.

Preferably, the inner wall of the chute is fixedly connected with a spring, and one end of the spring, which is far away from the inner wall of the chute, is fixedly connected with a clamping block.

Preferably, a clamping groove is formed in the round hole, and the surface of the clamping block is clamped with the inner part of the clamping groove.

Preferably, the surface of the second inserted link is fixedly connected with a steel sheet.

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

1. according to the utility model, the shell is placed in a mounting hole which is punched in advance, then the second threaded column is placed in the shell, the first threaded column is driven to be in threaded connection with the inside of the shell and move by rotating the hexagonal fixed block, meanwhile, the second threaded column is in threaded connection with the inside of the first threaded cylinder, so that the first threaded cylinder is driven to move on the surface of the second threaded column, the first inserted rod is driven to move towards the outer side of the shell by the movement of the first threaded cylinder, at the moment, the surface of the second threaded column is contacted with the inner wall of the groove formed on the surface of the fixed column, so that the fixed column is driven to move, the second inserted rod is driven to move towards the outer side of the shell by the movement of the fixed column, and the problem that the expansion screw is easy to fall off for a long time is solved by the arrangement;

2. the utility model can facilitate the second inserted link to break the soil under the arrangement of the steel sheet fixed on the surface of the second inserted link, then the hole site on the guardrail passes through the surface of the third threaded column and is fixed by the nut, and finally the waterproof cover is pressed in the round hole formed in the third threaded column, at the moment, the inside of the round hole is contacted with the surface of the clamping block to drive the clamping block to slide in the chute, and when the clamping block reaches the position of the clamping groove, the clamping block is driven to be clamped in the clamping groove under the action of spring rebound.

Drawings

FIG. 1 is a front sectional view of an anti-drop expansion screw shell structure for installing a side rail of the present utility model;

FIG. 2 is a front cross-sectional view of a third threaded post structure of an anti-drop expansion screw for installing a side rail according to the present utility model;

FIG. 3 is a schematic view of a first thread cylinder of an anti-drop expansion screw for installing a side guard rail according to the present utility model;

FIG. 4 is a schematic view of a structure of a fixing column of an anti-drop expansion screw for installing a side guard rail according to the present utility model;

FIG. 5 is an enlarged view of the construction of the A in FIG. 2 showing an anti-drop expansion screw for installing a side rail according to the present utility model;

FIG. 6 is a schematic view of a first threaded post of an anti-drop expansion screw for installing a side rail according to the present utility model.

In the figure: 1. a housing; 2. a first thread cylinder; 3. a first plunger; 4. fixing the column; 5. a second plunger; 6. a steel sheet; 7. a groove; 8. a first threaded post; 9. a second threaded post; 10. a second thread cylinder; 11. a third threaded post; 12. a hexagonal fixed block; 13. a chute; 14. a spring; 15. a clamping block; 16. and a waterproof cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: comprising the following steps:

the device comprises a device body, wherein the device body comprises a shell 1, a first threaded column 8 is connected with the interior of the shell 1 in a threaded manner, a second threaded column 9 is fixedly connected with one end of the first threaded column 8, and a second threaded cylinder 10 is fixedly connected with the other end of the first threaded column 8;

the fixing assembly comprises a first threaded cylinder 2 movably connected inside the shell 1, a plurality of first inserted rods 3 are fixedly connected to the surface of the first threaded cylinder 2, one end, far away from the first threaded cylinder 2, of the first inserted rods 3 movably penetrates through and extends to the outer side of the shell 1, and the inner part of the first threaded cylinder 2 is in threaded connection with the surface of a second threaded column 9; the inside swing joint of casing 1 has fixed column 4, and the one end fixedly connected with of fixed column 4 is a plurality of second inserted bars 5, and recess 7 has been seted up to the other end of fixed column 4, and second inserted bar 5 activity runs through and extends to the outside of casing 1.

The end of the second thread cylinder 10, which is far away from the first thread column 8, is fixedly connected with a hexagonal fixed block 12, and the end of the hexagonal fixed block 12, which is far away from the second thread cylinder 10, is fixedly connected with a third thread column 11.

A round hole is formed in one end, away from the hexagonal fixed block 12, of the third threaded column 11, a waterproof cover 16 is movably connected inside the round hole, and a plurality of sliding grooves 13 are formed in the surface of the waterproof cover 16.

The inner wall of the chute 13 is fixedly connected with a spring 14, and one end of the spring 14 away from the inner wall of the chute 13 is fixedly connected with a clamping block 15.

The draw-in groove has been seted up to the inside of round hole, and the surface of fixture block 15 and the inside looks joint of draw-in groove, through the setting of fixture block 15, spout 13 and spring 14, conveniently fix waterproof cover 16, through waterproof cover 16's setting, in can preventing that the rainwater from getting into casing 1 along third screw thread post 11 during the rainy day, cause rust corrosion.

The surface fixedly connected with steel sheet 6 of second inserted bar 5, through the setting of steel sheet 6, the soil on ground is broken to the second inserted bar 5 of being convenient for.

Working principle: when in use, an installer moves the utility model to a position required to be used, the shell 1 is placed in a mounting hole which is punched in advance, then the second threaded column 9 is placed in the shell 1, the first threaded column 8 is driven to be in threaded connection with the inside of the shell 1 and move by rotating the hexagonal fixing block 12, meanwhile, the second threaded column 9 is in threaded connection with the inside of the first threaded cylinder 2, so that the first threaded cylinder 2 is driven to move on the surface of the second threaded column 9, the first inserted rod 3 is driven to move towards the outside of the shell 1 by the movement of the first threaded cylinder 2, at this time, the surface of the second threaded column 9 is contacted with the inner wall of the groove 7 formed on the surface of the fixing column 4, so that the fixing column 4 is driven to move, the second inserting rod 5 is driven to move to the outer side of the shell 1 through the movement of the fixing column 4, meanwhile, under the arrangement of the steel sheet 6 fixed on the surface of the second inserting rod 5, the second inserting rod 5 can break the soil conveniently, then a hole site on the guardrail passes through the surface of the third threaded column 11 and is fixed through a nut, finally the waterproof cover 16 is pressed in a round hole formed in the third threaded column 11, at the moment, the inside of the round hole is contacted with the surface of the clamping block 15 to drive the clamping block 15 to slide in the sliding groove 13, and when the clamping block 15 reaches the position of the clamping groove, the clamping block 15 is driven to be clamped in the inside of the clamping groove under the rebound effect of the spring 14.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjacent limit guardrail installation is with anti-drop inflation screw which characterized in that: comprising the following steps:

the device comprises a device body, wherein the device body comprises a shell (1), a first threaded column (8) is connected to the interior of the shell (1) in a threaded manner, a second threaded column (9) is fixedly connected to one end of the first threaded column (8), and a second threaded cylinder (10) is fixedly connected to the other end of the first threaded column (8);

the fixing assembly comprises a first threaded cylinder (2) movably connected inside the shell (1), a plurality of first inserting rods (3) are fixedly connected to the surface of the first threaded cylinder (2), one end, far away from the first threaded cylinder (2), of each first inserting rod (3) movably penetrates through and extends to the outer side of the shell (1), and the inner part of the first threaded cylinder (2) is in threaded connection with the surface of a second threaded column (9); the inside swing joint of casing (1) has fixed column (4), the one end fixedly connected with of fixed column (4) a plurality of second inserted bar (5), recess (7) have been seted up to the other end of fixed column (4), second inserted bar (5) activity run through and extend to the outside of casing (1).

2. The anti-drop expansion screw for installing a side guard rail according to claim 1, wherein: one end of the second thread cylinder (10) far away from the first thread column (8) is fixedly connected with a hexagonal fixed block (12), and one end of the hexagonal fixed block (12) far away from the second thread cylinder (10) is fixedly connected with a third thread column (11).

3. The anti-drop expansion screw for installing a side guard rail according to claim 2, wherein: the one end that hexagonal fixed block (12) was kept away from to third screw thread post (11) has been seted up the round hole, the inside swing joint of round hole has waterproof lid (16), a plurality of spouts (13) have been seted up on the surface of waterproof lid (16).

4. The anti-drop expansion screw for installing a side guard rail according to claim 3, wherein: the inner wall of the chute (13) is fixedly connected with a spring (14), and one end, away from the inner wall of the chute (13), of the spring (14) is fixedly connected with a clamping block (15).

5. The anti-drop expansion screw for installing a side guard rail according to claim 4, wherein: the inside of round hole has seted up the draw-in groove, the inside looks joint of the surface and draw-in groove of fixture block (15).

6. The anti-drop expansion screw for installing a side guard rail according to claim 1, wherein: the surface of the second inserted link (5) is fixedly connected with a steel sheet (6).