Embedded positioning pipe fitting for electrical installation

Abstract

An embedded positioning pipe fitting for electrical installation comprises a pipe fitting body, a plugging assembly is arranged at the end of the pipe fitting body and comprises an outer sleeve arranged outside the pipe fitting body in a sleeving mode and an inner sleeve matched with the inner wall of the pipe fitting body, an annular baffle coaxial with the outer sleeve is arranged at one end of the outer sleeve, and the outer diameter of the annular baffle is consistent with that of the outer sleeve; the inner diameter of the annular baffle is consistent with that of the inner sleeve, and an annular groove is formed in the side face, away from the pipe fitting body, of the annular baffle. A blocking circular plate is arranged at one end of the inner sleeve and located on the outer side of a pipe opening of the pipe fitting body; an annular notch is formed in the end, clamping the annular baffle, of the outer sleeve. The plugging circular plate can play a role in plugging the end opening of the pipe fitting body, mortar, concrete and the like are prevented from entering the pipe fitting body during embedding, the phenomenon that the pipe fitting body is plugged or corroded by materials such as the concrete and the like is reduced, the outer sleeve and the inner sleeve can prevent the pipe fitting body from being subjected to large external force during embedding, and the sealing effect is good. Therefore, the weak position of the port is damaged.

Description

Technical Field

[0001] This utility model relates to the technical field of pre-embedded positioning pipe fittings, specifically a pre-embedded positioning pipe fitting for electrical installation. Background Technology

[0002] Pre-embedded positioning fittings in electrical installations are pipes that are pre-installed in walls or floors during building construction to ensure the smooth installation and fixation of electrical lines, cables, and pipes. These fittings are embedded in concrete during the early stages of construction, which improves the efficiency and safety of subsequent electrical installations.

[0003] During concrete pouring, construction workers often fail to seal the openings of pre-embedded positioning pipes for convenience. Unsealed pipes may corrode (especially metal pipes) or deform (such as PVC pipes) due to concrete seepage, leading to difficulties in subsequent wiring or even complete blockage. Furthermore, the openings of pre-embedded positioning pipes lack any protective reinforcement, making them susceptible to damage during installation. While existing technology includes covering the openings of pre-embedded positioning pipes with sealing plates to prevent concrete from entering, the connection between the sealing plate and the pipe is usually bonded and fixed by concrete, making the sealing plate difficult to open. Forcing it open can damage the port of the pre-embedded positioning pipe. Utility Model Content

[0004] To address the technical problems existing in the background art, this utility model provides a pre-embedded positioning pipe fitting for electrical installation.

[0005] The technical solution of this utility model is as follows:

[0006] An embedded positioning pipe fitting for electrical installation includes a pipe fitting body. A sealing assembly is provided at the end of the pipe fitting body. The sealing assembly includes an outer sleeve sleeved on the outside of the pipe fitting body and an inner sleeve adapted to the inner wall of the pipe fitting body. An annular baffle is provided at one end of the outer sleeve and is coaxial with it. The annular baffle is located outside the pipe opening of the pipe fitting body. The inner diameter of the annular baffle is the same as the outer diameter of the inner sleeve. An annular groove is provided on the side of the annular baffle away from the pipe fitting body.

[0007] One end of the inner sleeve is provided with a sealing circular plate integrally formed therewith. The sealing circular plate is located outside the pipe opening of the pipe body. The outer diameter of the sealing circular plate is consistent with the maximum inner diameter of the annular groove. The annular baffle is inserted into the annular groove and connected to the annular baffle through a connector.

[0008] The outer sleeve has an annular slit at one end where it is secured to the annular baffle.

[0009] Furthermore, the maximum inner diameter of the annular slit is 0.5-1.5 mm smaller than the outer diameter of the outer sleeve.

[0010] Preferably, the cross-section of the annular cut is V-shaped, U-shaped, or J-shaped.

[0011] Furthermore, one side of the annular cut is an annular plane, which is positioned close to the annular baffle.

[0012] To reduce the phenomenon of concrete adhering to the sealing plate, making it difficult to remove from the pipe body, the thickness of the sealing plate is less than the depth of the annular groove. For horizontally placed pipe bodies, the sealing plate is shielded by an annular baffle.

[0013] Preferably, the outer circular surface of the outer sleeve is fitted with multiple annular support members, and the plane on one side of one annular support member coincides with the plane on the annular plane.

[0014] Furthermore, the annular baffle is provided with a plurality of first threaded holes along its circumferential direction. The first threaded holes are located in the annular groove. The sealing circular plate is provided with second threaded holes that are adapted to the first threaded holes. The connecting piece is sequentially threaded to the corresponding second threaded hole and first threaded hole. The outer end of the connecting piece is located in the annular groove.

[0015] To facilitate the removal of the inner sleeve from the pipe body, a disassembly hole is provided in the middle of the sealing circular plate.

[0016] The beneficial effects of this utility model are as follows:

[0017] The outer sleeve is fitted on the outside of the port of the pipe fitting body. It can align the port and protect it when the pipe fitting body is pre-embedded. The inner sleeve is inserted into the pipe fitting body. The outer circle of the inner sleeve is matched with the inner circle of the pipe fitting body. The inner sleeve can support the pipe fitting body and prevent the pipe fitting body from being subjected to large external forces during pre-embedding, so that the weaker parts of the port will be damaged.

[0018] A sealing circular plate is provided at one end of the outer side of the inner sleeve. The sealing circular plate is connected to the annular baffle through a connector. The sealing circular plate can seal the port of the pipe body to prevent mortar, concrete and other materials from entering the pipe body during pre-embedding, and reduce the blockage or corrosion of the pipe body by concrete and other materials.

[0019] If the annular baffle protrudes from the pipe body and interferes with subsequent installation, after removing the sealing circular plate, use a knife or other tools to cut at the weakest point of the annular cut to quickly cut off the annular baffle.

[0020] One side of the annular cut is set as a plane, and this plane is set to correspond to one of the annular support members, which makes it easy to quickly find the weakest point of the annular cut.

[0021] The sealing plate can seal the port of the pipe body, preventing mortar, concrete and other materials from entering the pipe body during the pre-embedding process, and reducing the blockage or corrosion caused by concrete and other substances to the pipe body. Attached Figure Description

[0022] In the attached diagram:

[0023] Figure 1 This is a structural diagram;

[0024] Figure 2 This is a top view;

[0025] Figure 3 for Figure 2 A schematic diagram of the AA-direction cross-section structure;

[0026] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle;

[0027] Figure 5 A schematic diagram of the outer sleeve and inner sleeve structure;

[0028] The components represented by the various reference numerals in the diagram are:

[0029] 1. Pipe body; 2. Outer sleeve; 201. Annular notch; 2011. Annular plane; 3. Annular baffle; 301. Annular groove; 302. First threaded hole; 4. Inner sleeve; 5. Sealing plate; 501. Second threaded hole; 502. Disassembly hole; 6. Annular support; 7. Connector. Detailed Implementation

[0030] See Figure 1 , Figure 2 and Figure 3 As shown, an embedded positioning pipe fitting for electrical installation includes a pipe fitting body 1. A sealing assembly is provided at the end of the pipe fitting body 1. The sealing assembly includes an outer sleeve 2 sleeved outside the pipe fitting body 1 and an inner sleeve 4 adapted to the inner wall of the pipe fitting body 1. An annular baffle 3 coaxial with the outer sleeve 2 is provided at one end of the outer sleeve 2. The annular baffle 3 is integrally formed with the outer sleeve 2. The annular baffle 3 is located outside the pipe opening of the pipe fitting body 1. The outer diameter of the annular baffle 3 is the same as the outer diameter of the outer sleeve 2. The inner diameter of the annular baffle 3 is the same as the outer diameter of the inner sleeve 4. An annular groove 301 is provided on the side of the annular baffle 3 away from the pipe fitting body 1.

[0031] See Figure 5 As shown, the outer sleeve 2 is fitted onto the outside of the port of the pipe fitting body 1, providing protection by aligning the port during the pre-embedding of the pipe fitting body 1. The inner sleeve 4 is inserted inside the pipe fitting body 1, with its outer surface matching the inner surface of the pipe fitting body 1. The inner sleeve 4 provides support for the pipe fitting body 1, preventing damage to the weaker parts of the port due to excessive external force during pre-embedding. To further support the pipe fitting body 1 in the axial direction, multiple annular support members 6 are fitted onto the outer surface of the outer sleeve 2.

[0032] One end of the inner sleeve 4 is provided with an integrally formed sealing circular plate 5. The sealing circular plate 5 is located outside the pipe opening of the pipe body 1. The outer diameter of the sealing circular plate 5 is consistent with the maximum inner diameter of the annular groove 301. The annular baffle 3 is inserted into the annular groove 301 and connected to the annular baffle 3 through the connector 7. The sealing circular plate 5 can seal the port of the pipe body 1, preventing mortar, concrete, etc. from entering the pipe body 1 during pre-embedding, and reducing the blockage or corrosion caused by concrete and other substances to the pipe body 1.

[0033] See Figure 4 As shown, if the annular baffle 3 protrudes from the pipe body 1 and interferes with subsequent installation, the annular baffle 3 needs to be cut off. To facilitate quick cutting of the annular baffle 3, an annular notch 201 is provided at one end of the outer sleeve 2 that clamps the annular baffle 3. The maximum inner diameter of the annular notch 201 is smaller than the outer diameter of the outer sleeve 2.

[0034] The cross-section of the annular cut 201 is 0.5-1.5 mm, and is V-shaped, U-shaped, or J-shaped. After removing the sealing circular plate 5, the annular baffle 3 is quickly cut off by using tools such as knives at the weakest point of the annular cut 201.

[0035] See Figure 4 As shown, in order to quickly locate the weakest point of the annular cut 201, one side of the annular cut 201 is an annular plane 2011. The annular plane 2011 is set close to the annular baffle 3. The plane on one side of an annular support 6 coincides with the plane on the annular plane 2011, so that the weakest point of the annular cut 201 corresponds to the weakest point of the annular cut 201.

[0036] To reduce the phenomenon that the sealing plate 5 is difficult to remove from the pipe body 1 due to the adhesion of poured concrete, the thickness of the sealing plate 5 is less than the depth of the annular groove 301. For the horizontally placed pipe body 1, the annular baffle 3 acts as a shield for the sealing plate 5.

[0037] See Figure 4 As shown, the annular baffle 3 is provided with a plurality of first threaded holes 302 along its circumferential direction. The first threaded holes 302 are located in the annular groove 301. The sealing circular plate 5 is provided with second threaded holes 501 that are adapted to the first threaded holes 302. The connecting member 7 is a fastening bolt. The connecting member 7 is sequentially threaded to the corresponding second threaded hole 501 and first threaded hole 302. The outer end of the connecting member 7 is located in the annular groove 301.

[0038] See Figure 1As shown, to facilitate the removal of the sealing disc 5 and the inner sleeve from the pipe body 1, the connector 7 can be unscrewed from the first threaded hole 302 and left in the second threaded hole 501. The sealing disc 5 and the inner sleeve can be removed by simultaneously pulling the ends of multiple connectors 7. If the ends of the connectors 7 are too small to be easily clamped with tools, a disassembly hole 502 is provided in the middle of the sealing disc 5. A tool with a hook can be inserted into the disassembly hole 502 to quickly remove the sealing disc 5 and the inner sleeve from the pipe body 1. The disassembly hole 502 should not be too large to prevent concrete from entering the pipe body 1 through the disassembly hole 502. If concrete or mortar enters through the disassembly hole 502, most of it will adhere to the inner sleeve 4 and will not cause corrosion or blockage to the inner wall of the pipe body 1.

Claims

1. An electrical installation pre-burying positioning pipe fitting, characterized in that, The utility model provides a pipe fitting body (1) is equipped with the closing assembly, the closing assembly includes the sleeve (2) of sleeve of pipe fitting body (1) outside and the inner sleeve (4) of adaptation with pipe fitting body (1) inner wall, the sleeve (2) one end is equipped with the annular baffle (3) with its coaxial, and the annular baffle (3) is located the pipe orifice outside of pipe fitting body (1), and the inner diameter of annular baffle (3) is consistent with the outer diameter of inner sleeve (4), and the side surface of annular baffle (3) away from pipe fitting body (1) is equipped with annular groove (301); The inner sleeve (4) one end is equipped with the closing round plate (5) with its integral forming, and the closing round plate (5) is located the pipe orifice outside of pipe fitting body (1), and the outer diameter of closing round plate (5) is consistent with the maximum inner diameter of annular groove (301), and the annular baffle (3) is inserted in annular groove (301) and is connected with annular baffle (3) through connecting piece (7); The sleeve (2) one end is equipped with the annular notch (201) of clamping annular baffle (3).

2. An electrically installed pre-burying positioning pipe according to claim 1, characterized in that, The maximum inner diameter of annular notch (201) is less than the outer diameter of sleeve (2) 0.5-1.5mm.

3. An electrically installed pre-burying positioning pipe according to claim 1, characterized in that, The cross section of annular notch (201) is V-shaped, U-shaped or J-shaped cross section.

4. An electrically installed pre-buried positioning tube according to claim 3, characterized in that, One side of annular notch (201) is annular plane (2011), and annular plane (2011) is close to annular baffle (3).

5. An electrically installed pre-burying positioning pipe according to claim 1, characterized in that, The thickness of closing round plate (5) is less than the depth of annular groove (301).

6. An electrically installed pre-burying positioning pipe according to claim 4, characterized in that, The outer circular surface of sleeve (2) is equipped with a plurality of annular supporting members (6), and the plane of one side of annular supporting member (6) coincides with the plane of annular plane (2011).

7. An electrically installed pre-burying positioning pipe according to claim 1, characterized in that, The annular baffle (3) is equipped with a plurality of first threaded holes (302) along its circumferential direction, and the first threaded hole (302) is located in the annular groove (301), and the closing round plate (5) is equipped with the second threaded hole (501) matched with the first threaded hole (302), and the connecting piece (7) is sequentially screwed with the corresponding second threaded hole (501) and first threaded hole (302), and the outside end of connecting piece (7) is located in the annular groove (301).

8. An electrically installed pre-burying positioning pipe according to claim 1, characterized in that, The middle part of closing round plate (5) is equipped with a dismounting hole (502).

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