CN219840898U

CN219840898U - Expansion pipe

Info

Publication number: CN219840898U
Application number: CN202321076569.7U
Authority: CN
Inventors: 邓茹
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-17
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses an expansion pipe, which comprises an expansion pipe body, wherein an accommodating hole is formed in the inner part of the expansion pipe body, a clamping groove penetrating through the expansion pipe body and communicated with the accommodating hole is formed in the outer surface of the expansion pipe body, a fastening structure is arranged in the accommodating hole, a screwing hole connected with a screw is formed in the upper surface of the expansion pipe body, and the screw is connected with the fastening structure to drive two overhanging ends of the fastening structure to penetrate through the clamping groove and move towards the inlet direction of the screwing hole. The beneficial effects of the utility model are as follows: the screw passes through the screwing hole to be connected with the fastening structure, and the two overhanging ends of the fastening structure pass through the clamping groove to move towards the screwing hole in the continuous screwing process of the screw, so that the overhanging ends can be clung to the wall surfaces such as a wood board and a gypsum board to be installed, when the wall surfaces with different thicknesses are required to be decorated, the moving distance of the two overhanging ends of the fastening structure towards the screwing hole is increased or reduced, and the plate wall surfaces with different thicknesses are adapted.

Description

Expansion pipe

Technical Field

The utility model relates to the technical field of building material products, in particular to an expansion pipe.

Background

At present, gypsum boards, wood boards, fiber boards and other boards are used for finishing houses and offices in a large quantity, and gaps with certain distances exist between the boards and the walls, so that special expansion pipes are needed when various articles are installed on the boards, and the expansion pipes commonly used in the market have some problems: as the thickness of the plate increases, expansion pipes with different sizes need to be replaced, so that the expansion pipes are troublesome to use, resources are wasted, and cost is increased.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an expansion pipe.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides an expansion pipe, includes the expansion pipe body, the holding hole has been seted up to the expansion pipe body inside, the draw-in groove that runs through the expansion pipe body and with holding hole intercommunication has been seted up to the expansion pipe body outside, the inside fastening structure that is provided with of holding hole, the hole of screwing with screw connection has been seted up to the expansion pipe body upper surface, and the screw is connected with fastening structure and is driven two overhanging ends of fastening structure and pass the draw-in groove and to screw hole entry direction removal.

Preferably, the fastening structure comprises a movable connecting pipe and a tightening structure, the movable connecting pipe is arranged inside the accommodating hole, the movable connecting pipe is connected with the tightening structure, and the two overhanging ends of the tightening structure move along with the movement of the screw driving the movable connecting pipe to the inlet direction of the tightening hole.

Preferably, the movable connecting pipe comprises a connecting pipe body matched with the accommodating hole formed in the expansion pipe body, and threads matched with the screw are arranged inside the connecting pipe body.

Preferably, the tightening structure comprises a bending plate structure connected with the movable connecting pipe, the bending plate structure comprises two first bending plates which are connected with the connecting pipe body and are symmetrically arranged, the end parts of the two first bending plates are connected with second bending plates, and a guide pipe is connected between the two second bending plates; the first bending plate and the second bending plate form the overhanging end.

Preferably, the tightening structure further comprises a bending groove structure, the bending groove structure comprises a first arc-shaped groove, a second arc-shaped groove and a third arc-shaped groove, the first arc-shaped groove is arranged at the joint of the first bending plate and the connecting pipe body, the second arc-shaped groove is arranged at the joint of the first bending plate and the second bending plate, and the third arc-shaped groove is arranged at the joint of the second bending plate and the guiding pipe.

Preferably, reinforcing plates are provided on both sides of the upper surface of each of the second bending plates.

Preferably, the upper surface of the end part of each second bending plate, which is close to the joint of the first bending plate and the second bending plate, is provided with a non-slip protrusion.

Preferably, reinforcing ribs are uniformly arranged at intervals on the upper part of the outer surface of the expansion pipe body.

Preferably, the upper part of the outer surface of the expansion pipe body is uniformly provided with anti-slip structures at intervals.

Preferably, the anti-slip structure is a cylindrical protrusion or a convex strip with a triangular cross section.

The utility model has the following advantages:

1. according to the utility model, the screw penetrates through the screwing hole to be connected with the fastening structure, and the two overhanging ends of the fastening structure penetrate through the clamping groove to move towards the screwing hole in the continuous screwing process of the screw, so that the overhanging ends can be clung to the wall surfaces of a wood board, a gypsum board and the like to be installed, when the wall surfaces with different thicknesses are required to be decorated, the moving distance of the two overhanging ends of the fastening structure towards the screwing hole is increased or reduced, and therefore the fastening structure is suitable for the plate wall surfaces with different thicknesses, and expansion pipes with different sizes do not need to be replaced.

2. The utility model improves the integral strength of the second bending plate by arranging the reinforcing plate on the upper surface of the second bending plate.

3. According to the utility model, the anti-slip protrusions are arranged on the upper surface of the end part of the joint of the first bending plate and the second bending plate, so that the friction force between the anti-slip protrusions and the wall surface is improved, the random movement of the expansion pipe body can be prevented, and the bearing force is increased.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is an overall schematic view of the fastening structure of the present utility model.

FIG. 4 is a schematic view of an expanded tubular body provided with cylindrical projections in accordance with the present utility model.

Fig. 5 is a schematic view of an expanded pipe body provided with triangular ribs according to the present utility model.

FIG. 6 is a schematic cross-sectional view of an expanded tubular body of the present utility model.

Fig. 7 is a schematic view of a screw of the present utility model.

In the figure, 1, an expansion pipe body; 2. moving the connecting pipe; 21. a connection pipe body; 22. a thread; 3. a jacking structure; 31. a bending plate structure; 311. a first bending plate; 312. a second bending plate; 313. a guide tube; 32. a bending groove structure; 321. a first arc-shaped groove; 322. a second arc-shaped groove; 323. a third arc-shaped groove; 33. a slip preventing protrusion; 34. a reinforcing plate; 4. screwing the hole; 5. a clamping groove; 6. an accommodation hole; 7. reinforcing ribs; 8. an anti-slip structure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Such as the embodiments shown in fig. 1-7.

The utility model provides an expansion pipe, includes expansion pipe body 1, the holding hole 6 has been seted up to expansion pipe body 1 inside, expansion pipe body 1 surface set up run through expansion pipe body 1 and with draw-in groove 5 of holding hole 6 intercommunication, the inside fastening structure that is provided with of holding hole 6, expansion pipe body 1 upper surface has been seted up the hole 4 of screwing with screw connection, and screw and fastening structure are connected and drive two overhanging ends of fastening structure and pass draw-in groove 5 and move to the hole 4 entry direction of screwing.

Referring to fig. 1 and 2, when in use, the screw passes through the screwing hole 4 to be connected with the fastening structure, and the fastening structure moves in the direction of the inlet of the screwing hole 4 along with the continued rotation of the screw, so that two overhanging ends of the fastening structure can be tightly contacted with the wall surface of the plate to be fixed, and when plates with different thicknesses are required to be installed, only different distances are required to be screwed, namely, the fastening structure moves in the accommodating hole 6 by different distances.

The fastening structure comprises a movable connecting pipe 2 and a tightening structure 3, the movable connecting pipe 2 is arranged inside the accommodating hole 6, the tightening structure 3 is connected to the movable connecting pipe 2, and two overhanging ends of the tightening structure 3 move along with the movement of the screw driving the movable connecting pipe 2 to the inlet direction of the tightening hole 4.

The movable connecting pipe 2 comprises a connecting pipe body 21 matched with the accommodating hole 6 formed in the expansion pipe body 1, and threads 22 matched with the screws are arranged inside the connecting pipe body 21.

The propping structure 3 comprises a bending plate structure 31 connected with the movable connecting pipe 2, the bending plate structure 31 comprises two first bending plates 311 which are connected with the connecting pipe body 21 and are symmetrically arranged, the end parts of the two first bending plates 311 are connected with second bending plates 312, and a guide pipe 313 is connected between the two second bending plates 312; the first bending plate 311 and the second bending plate 312 constitute the overhanging end.

Referring to fig. 2 and 3, when screwing is required, two overhanging ends formed by the first bending plate 311 and the second bending plate 312 in the bending plate structure 31 are close to each other and contracted into the accommodating hole 6, so that the expansion pipe body 1 can smoothly pass through the hole of the plate, firstly, the expansion pipe body 1 is inserted into the hole drilled in the plate, then, the screw is screwed into the accommodating hole 6 through the screwing hole 4 and passes through the guide pipe 313 to be screwed with the screw thread 22, and the connecting pipe body 21 drives the bending plate structure 31 to move towards the screwing hole 4 along with the continuous rotation of the screw, so that the overhanging ends formed by the first bending plate 311 and the second bending plate 312 are tightly contacted with the plate to be fixed, and at the moment, the two overhanging ends are mutually deviated from the plate to be clung to the plate.

In this embodiment, the connecting tube 21 may have a light hole, i.e., a hole without threads 22, and may be directly screwed into the light hole by a screw.

The tightening structure 3 further comprises a bending groove structure 32, the bending groove structure 32 comprises a first arc groove 321, a second arc groove 322 and a third arc groove 323, the first arc groove 321 is arranged at the joint of the first bending plate 311 and the connecting pipe body 21, the second arc groove 322 is arranged at the joint of the first bending plate 311 and the second bending plate 312, and the third arc groove 323 is arranged at the joint of the second bending plate 312 and the guide pipe 313.

Referring to fig. 3, the first bending plate 311 and the second bending plate 312 are conveniently bent and folded by the first arc-shaped groove 321, the second arc-shaped groove 322 and the third arc-shaped groove 323, so that the first bending plate 311 and the second bending plate 312 are prevented from being broken when being bent.

In the present embodiment, the movable connection pipe 2, the bending plate structure 31 and the bending groove structure 32 are integrally formed and made of plastic.

Reinforcing plates 34 are provided on both sides of the upper surface of each of the second bending plates 312.

Referring to fig. 3, the overall strength of the second bending plate 312 is enhanced by the reinforcing plate 34; correspondingly, a reinforcing plate 34 can also be arranged on the bottom side of the first bending plate 311.

The upper surface of each second bending plate 312 near the connection point between the first bending plate 311 and the second bending plate 312 is provided with a non-slip protrusion 33.

Referring to fig. 3, the friction between the second bending plate 312 and the plate material is increased by the anti-slip protrusions 33, preventing the expansion pipe body 1 from being randomly moved, and increasing the bearing force.

Reinforcing ribs 7 are uniformly arranged at intervals on the upper part of the outer surface of the expansion pipe body 1.

Referring to fig. 1, 4 and 5, the reinforcing ribs 7 uniformly arranged on the outer surface of the expansion pipe body 1 can improve the overall strength of the expansion pipe body 1, in this embodiment, the reinforcing ribs 7 are four reinforcing ribs uniformly distributed along the central axis of the expansion pipe body 1, the reinforcing ribs 7 improve the overall strength of the expansion pipe, and the reinforcing ribs 7 are arranged in a protruding manner, so that the expansion pipe has a certain anti-slip effect and increases friction force.

The upper part of the outer surface of the expansion pipe body 1 is uniformly provided with anti-slip structures 8 at intervals.

The anti-slip structure 8 is a cylindrical protrusion or a convex strip with a triangular cross section.

Referring to fig. 4 and 5, in the present embodiment, four sets of cylindrical protrusions or triangular protrusions are provided, and are uniformly distributed along the central axis of the expansion pipe body 1, and friction with the holes formed in the plate material is increased by the cylindrical protrusions or triangular protrusions.

Referring to fig. 1, a limiting block is provided on one of the bottom surfaces of the clamping groove 5 connected with the expansion pipe body 1, which is not shown in the drawing, and the fastening structure can only be installed in the accommodating hole 6 in one direction by the limiting block, so that the fastening structure is prevented from being separated from the other opening

The working process of the utility model is as follows: firstly, the expansion pipe body 1 is moved into a hole to be installed of the plate, then a screw penetrates through the screwing hole 4 and the guide pipe 313 to be in threaded connection with the screw thread 22, and the screw continues to be screwed to drive the connecting pipe body 21, the first bending plate 311 and the second bending plate 312 to move towards the screwing hole 4 until the end part of the second bending plate 312 is tightly contacted and fixed with the plate.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An expansion pipe, characterized in that: including expansion body (1), accommodation hole (6) have been seted up to expansion body (1) inside, expansion body (1) surface have been seted up run through expansion body (1) and with draw-in groove (5) of accommodation hole (6) intercommunication, accommodation hole (6) inside is provided with fastening structure, expansion body (1) upper surface has been seted up and screw connection's hole of screwing (4), and screw and fastening structure are connected two overhanging ends that drive fastening structure pass draw-in groove (5) and are moved to hole of screwing (4) entry direction.

2. An expansion pipe according to claim 1, characterized in that: the fastening structure comprises a movable connecting pipe (2) and a tightening structure (3), wherein the movable connecting pipe (2) is arranged inside the accommodating hole (6), the tightening structure (3) is connected to the movable connecting pipe (2), and two overhanging ends of the tightening structure (3) move along with the movement of the screw driving the movable connecting pipe (2) to the inlet direction of the tightening hole (4).

3. An expansion pipe according to claim 2, characterized in that: the movable connecting pipe (2) comprises a connecting pipe body (21) which is matched with a containing hole (6) formed in the expansion pipe body (1), and threads (22) which are matched with the screws are formed in the connecting pipe body (21).

4. An expansion pipe according to claim 2, characterized in that: the jacking structure (3) comprises a bending plate structure (31) connected with the movable connecting pipe (2), the bending plate structure (31) comprises two first bending plates (311) which are connected with the connecting pipe body (21) and are symmetrically arranged, the end parts of the two first bending plates (311) are connected with second bending plates (312), and a guide pipe (313) is connected between the two second bending plates (312); the first bending plate (311) and the second bending plate (312) form the overhanging end.

5. An expansion pipe according to claim 4, characterized in that: the tight structure (3) in top still includes kink groove structure (32), kink groove structure (32) include first arc wall (321), second arc wall (322) and third arc wall (323), first arc wall (321) set up the junction at first bending plate (311) and connecting pipe body (21), second arc wall (322) set up the junction of first bending plate (311) and second bending plate (312), third arc wall (323) set up the junction of second bending plate (312) and stand pipe (313).

6. An expansion pipe according to claim 4, characterized in that: reinforcing plates (34) are arranged on two sides of the upper surface of each second bending plate (312).

7. An expansion pipe according to claim 4, characterized in that: the upper surface of the end part of each second bending plate (312) near the joint of the first bending plate (311) and the second bending plate (312) is provided with a non-slip protrusion (33).

8. An expansion pipe according to claim 1, characterized in that: reinforcing ribs (7) are uniformly arranged at intervals on the upper part of the outer surface of the expansion pipe body (1).

9. An expansion pipe according to claim 1, characterized in that: anti-slip structures (8) are uniformly arranged at intervals on the upper part of the outer surface of the expansion pipe body (1).

10. An expansion pipe according to claim 9, characterized in that: the anti-slip structure (8) is a cylindrical protrusion or a convex strip with a triangular section.