CN218719383U - Length-adjustable wall bushing embedding device - Google Patents

Abstract

The utility model discloses a wall bushing pre-buried device of adjustable length, the female joint comprises an outer pipe, the inboard of outer tube is equipped with the inner tube, inner tube fixed connection is on the inner wall of outer tube, the inside survey of outer tube is equipped with the telescopic tube, the telescopic tube is located between outer tube and the inner tube, the inner tube is close to and is equipped with first external screw thread on the telescopic tube's the lateral wall, be equipped with the first internal thread with first external screw thread adaptation on the telescopic tube's the inner wall, the retaining ring has all been cup jointed to outer tube and telescopic tube's outer wall tip. The utility model discloses can adjust the device's whole length, and then make the device can adapt to the pre-buried installation of different width wall bodies, convenient to use, the suitability is higher, and the stability of the device installation is higher.

Description

Length-adjustable wall bushing embedding device

Technical Field

The utility model relates to a sleeve pipe pre-buried technical field especially relates to a wall bushing pre-buried device of adjustable length.

Background

Water supply pipelines, drainage pipelines, power supply pipelines, gas pipelines, network cables, fire pipelines and the like in modern building industry need to pass through a wall body for entering a house, and a wall-through sleeve is needed to be arranged after the wall body is perforated.

Chinese patent CN211203148U discloses a mounting structure of a wall bushing, which comprises a wall body, a wall bushing pre-embedded in the wall body and used for communicating the inner space of the wall body with the outer space of the wall body, and a pipeline coaxial with the wall bushing and running through the wall bushing, wherein one end of the wall bushing connecting the outer space of the wall body is extended from the outer wall surface of the wall body, and a waterproof member is arranged between one end of the wall bushing extending out of the outer wall surface of the wall body and the pipeline and hermetically connected with the outer surface of the wall bushing and the pipeline respectively so as to isolate the gap between the wall bushing and the pipeline from the outside. The overall structure of this patent is fixed, is difficult to carry out holistic length adjustment to different width walls for it is convenient inadequately to use when the pre-buried installation of actual sleeve pipe, consequently, designs a length adjustable wall bushing pre-buried device now.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wall bushing pre-embedding device with adjustable length.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pre-buried device of wall bushing of adjustable length, includes the outer tube, the inboard of outer tube is equipped with the inner tube, inner tube fixed connection is on the inner wall of outer tube, the inside survey of outer tube is equipped with telescopic tube, telescopic tube is located between outer tube and the inner tube, the inner tube is close to and is equipped with first external screw thread on telescopic tube's the lateral wall, be equipped with on telescopic tube's the inner wall with the first internal thread of first external screw thread adaptation, the outer tube has all fixedly cup jointed the retaining ring with telescopic tube's outer wall tip.

As a further improvement of the utility model, the outer tube and the outer wall of the telescopic sleeve are all fixedly sleeved with a sealing rubber ring.

As a further improvement, two mounting grooves have been seted up on the lateral wall of retaining ring, two the mounting groove symmetry sets up, two it is equipped with fastening bolt all to run through on the inner wall of mounting groove, fastening bolt and mounting groove inner wall threaded connection.

As a further improvement, the retaining ring outside cover is equipped with the closing cap, be equipped with the second external screw thread on the periphery wall of retaining ring, be equipped with the second internal thread with the adaptation of second external screw thread on the internal perisporium of closing cap.

As a further improvement of the utility model, the outer tube and the inner tube are integrally formed.

As a further improvement of the utility model, the outer wall of the end part of the inner tube is an inclined plane.

The utility model has the advantages that:

through setting up outer tube, inner tube, telescopic tube, first external screw thread, first internal thread, telescopic tube and inner tube threaded connection, through rotatory telescopic tube, can adjust the length that telescopic tube stretches out the inner tube, and then adjust the device's whole length, and then make the device can adapt to the pre-buried installation of different width wall bodies, convenient to use, the suitability is higher.

Through setting up retaining ring, mounting groove, fastening bolt, can carry on spacingly to outer tube, telescopic tube through the retaining ring, support tightly through retaining ring and wall body, realize the pre-buried installation of the device, and through further screwing up fastening bolt, can further fix the retaining ring, guarantee the stability of the device installation.

The utility model discloses can adjust the device's whole length, and then make the device can adapt to the pre-buried installation of different width wall bodies, convenient to use, the suitability is higher, and the stability of the device installation is higher.

Drawings

Fig. 1 is a schematic structural view of a wall bushing embedding apparatus with adjustable length according to the present invention;

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

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

fig. 4 is a schematic view of a three-dimensional structure of a sealing cover and a retaining ring of the wall bushing embedding device with adjustable length provided by the utility model.

In the figure: the device comprises an outer pipe 1, an inner pipe 2, a telescopic sleeve 3, a sealing rubber ring 4, a check ring 5, a sealing cover 6, a first external thread 7, a first internal thread 8, a second external thread 9, a second internal thread 10, an installation groove 11 and a fastening bolt 12.

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.

Referring to fig. 1-4, a wall bushing pre-buried device of adjustable length, including outer tube 1, the inboard of outer tube 1 is equipped with inner tube 2, inner tube 2 fixed connection is on the inner wall of outer tube 1, outer tube 1 and inner tube 2 integrated into one piece, the interior survey of outer tube 1 is equipped with telescopic tube 3, telescopic tube 3 is located between outer tube 1 and the inner tube 2, be equipped with first external screw thread 7 on the lateral wall that inner tube 2 is close to telescopic tube 3, be equipped with the first internal thread 8 with first external screw thread 7 adaptation on telescopic tube 3's the inner wall, outer tube 1 has all fixedly cup jointed retaining ring 5 with telescopic tube 3's outer wall tip.

The utility model discloses in, equal fixed cover is equipped with sealing rubber ring 4 on outer tube 1 and telescopic tube 3's the outer wall, sets up sealing rubber ring 4 for when outer tube 1 and telescopic tube 3 inserted the perforation on the wall body, support tightly through sealing rubber ring 4 and the fenestrate inner wall of wall body and realize sealedly, play waterproof, dustproof, protection against insects's purpose.

Further, two mounting grooves 11 have been seted up on the lateral wall of retaining ring 5, and two mounting grooves 11 symmetry set up, all run through on the inner wall of two mounting grooves 11 and be equipped with fastening bolt 12, fastening bolt 12 and 11 inner wall threaded connection of mounting groove.

The cover 6 is equipped with to the 5 outside covers of retaining ring, is equipped with second external screw thread 9 on the periphery wall of retaining ring 5, be equipped with on the internal perisporium of closing cap 6 with the second internal thread 10 of 9 adaptations of second external screw thread, can shelter from the outside of retaining ring 5 through closing cap 6, the pleasing to the eye degree of reinforcing regularity, and can avoid fastening bolt 12 directly to expose externally, play waterproof, rust-resistant effect to fastening bolt 12.

Furthermore, the outer wall of the end part of the inner pipe 2 is an inclined plane, so that when the telescopic sleeve 3 is sleeved on the inner pipe 2, a guiding effect can be achieved, and the telescopic sleeve 3 is conveniently sleeved on the inner pipe 2.

The utility model discloses during the use, insert the wall body with outer tube 1 and perforate, then insert 1 inside outer tube with telescopic tube 3, and through 3 suits of telescopic tube on inner tube 2, make telescopic tube 3 and 2 threaded connection of inner tube, through rotatory telescopic tube 3, make retaining ring 5 on outer tube 1 and the telescopic tube 3 support tightly with the wall body, support tightly through retaining ring 5 and wall body, realize the pre-buried installation of the device, and through further screwing up fastening bolt 12, can further fix retaining ring 5, guarantee the stability of the device installation.

To sum up, adopt foretell outer tube 1, inner tube 2, telescopic tube 3, first external screw thread 7, the scheme of first internal thread 8, because the realization process of scheme is telescopic tube 3 and inner tube 2 threaded connection, through rotatory telescopic tube 3, can adjust the length that telescopic tube 3 stretches out inner tube 2, and then adjust the device's whole length, consequently, the pre-buried installation that adapts to different width wall bodies can be realized to certain extent, high durability and convenient use, the higher effect of suitability, and then solved and be difficult to carry out holistic length adjustment to different width wall bodies, use inconvenient problem during the pre-buried installation of feasible actual sleeve pipe.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a wall bushing pre-buried device of adjustable length, its characterized in that, includes outer tube (1), the inboard of outer tube (1) is equipped with inner tube (2), inner tube (2) fixed connection is on the inner wall of outer tube (1), the interior survey of outer tube (1) is equipped with telescopic tube (3), telescopic tube (3) are located between outer tube (1) and inner tube (2), be equipped with first external screw thread (7) on the lateral wall that inner tube (2) are close to telescopic tube (3), be equipped with on the inner wall of telescopic tube (3) with first internal thread (8) of first external screw thread (7) adaptation, outer tube (1) and telescopic tube's (3) outer wall tip all fixed retaining ring (5) of having cup jointed.

2. The length-adjustable wall bushing embedding device as claimed in claim 1, wherein the outer walls of the outer tube (1) and the telescopic tube (3) are fixedly sleeved with sealing rubber rings (4).

3. The length-adjustable wall bushing embedding device according to claim 1, wherein two installation grooves (11) are formed in the side wall of the retainer ring (5), the two installation grooves (11) are symmetrically arranged, fastening bolts (12) penetrate through the inner walls of the two installation grooves (11), and the fastening bolts (12) are in threaded connection with the inner walls of the installation grooves (11).

4. The length-adjustable wall bushing embedding device according to claim 1, wherein a sealing cover (6) is sleeved on the outer side of the retainer ring (5), second external threads (9) are arranged on the outer peripheral wall of the retainer ring (5), and second internal threads (10) matched with the second external threads (9) are arranged on the inner peripheral wall of the sealing cover (6).

5. A length adjustable wall bushing embedment device according to claim 1, wherein the outer pipe (1) and the inner pipe (2) are integrally formed.

6. The length-adjustable wall bushing embedding device as claimed in claim 1, wherein the outer wall of the end portion of the inner pipe (2) is an inclined surface.

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