Multi-base elbow

Abstract

The utility model relates to a multi-base elbow which comprises an elbow pipe fitting, the elbow pipe fitting is respectively provided with a first mounting port and a second mounting port, and the first mounting port and the second mounting port are vertically distributed in an L shape; an L-shaped vertical mounting base is integrally formed on one side of the peripheral wall of the elbow pipe fitting in a die-casting manner, and the elbow pipe fitting is fixedly mounted on a working surface through the mounting base; a tooth-shaped densification unit used for improving the sealing performance of the pipeline is arranged on the outer circumferential wall of the first installation opening, a pressing unit for pressing the pipeline is installed on the outer circumferential wall of the first installation opening, and the pressing unit right corresponds to the tooth-shaped densification unit. According to the utility model, the L-shaped vertical mounting base is arranged on the elbow pipe fitting, so that the elbow pipe fitting can be greatly suitable for environments with complicated mounting working conditions; and the mounting opening is provided with a tooth-shaped densification unit and a pressing unit, so that the stability and reliability of the pipe fitting and the mounting opening after connection are better, and the possibility of falling off at the joint is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connecting elbow, especially relates to a multi-base elbow. BACKGROUND

[0002] In pipe connection, connecting elbow is usually used to connect two pipes together at the corner, which meets the construction requirements, but the existing connecting elbow is generally provided with a flat base on one side, and some connecting elbows cannot be installed on the installation surface in some complex installation conditions, so that supports or boards are needed to fix, which not only brings difficulty to the installation of construction workers, but also is not stable and reliable after installation. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of the prior art and provides a multi-base elbow which has good fixing effect and is stable and reliable.

[0004] The utility model aims at overcoming the defects of the prior art and provides a multi-base elbow which has good fixing effect and is stable and reliable.

[0005] The utility model has the advantages that compared with the prior art, the L-shaped vertical mounting base is arranged on the elbow pipe, so that the elbow pipe can be directly installed on the working surface after the pipe connection, and can be applied to the complex installation conditions; during the liquid transmission, the tooth-shaped dense unit and the pressing unit are arranged on the mounting port, so that the stability and reliability of the connection between the pipe and the mounting port are better, and the possibility of falling off of the connection is greatly reduced.

[0006] Preferably, the mounting base comprises a first mounting base and a second mounting base, the first mounting base corresponds to the pipe wall of the first mounting port, the second mounting base corresponds to the pipe wall of the second mounting port, the first mounting base and the second mounting base are each provided with two symmetrically distributed mounting ear blocks at one end close to the respective mounting port, and the mounting ear blocks are provided with mounting holes; through the above structure, the elbow pipe can be directly installed on the working surface through the mounting holes on the mounting ear blocks and by using the bolt assembly or the screw, and the installation is facilitated.

[0007] As preferred, the inner circumferential wall of the second mounting port is provided with internal threads, and the upper end of the outer circumferential wall of the second mounting port is provided with a ring-shaped sealing protrusion; by providing the internal threads, the second mounting port can be applicable to metal pipe fittings with external threads, and the two can be fixed by thread rotation; by providing the ring-shaped sealing protrusion, the second mounting port can be applicable to rubber pipe fittings, and the two can be fixed by plug-in sealing; by the above arrangement, the versatility of the second mounting port is stronger.

[0008] As preferred, the tooth-shaped densification unit comprises a plurality of protrusions distributed along the elbow pipe fitting in the axial direction, the protrusions are distributed at equal intervals, and the cross section of the protrusions is inverted tooth-shaped structure; by the above arrangement, the sealing performance of the plug-in between the pipe fitting and the first mounting port is better, and the cross section of the protrusions is inverted tooth-shaped structure, facilitating the plug-in between the pipe fitting and the first mounting port, but not facilitating the pull-out between the two.

[0009] As preferred, the pressing unit comprises a gasket and a stainless steel sleeve, the gasket is mounted and fixed in a ring-shaped embedded groove provided on the outer circumferential wall of the first mounting port, the embedded groove is located at the rear end of the tooth-shaped densification unit, and both ends of the stainless steel sleeve are outwardly opened, one end of the stainless steel sleeve is embedded in an opening groove provided on the gasket, and the other end of the stainless steel sleeve faces the pipe fitting to be plugged in; by the arrangement of the pressing unit, after the plug-in between the pipe fitting and the first mounting port, the stainless steel sleeve can be pressed by a special tool to realize the resealing between the pipe fitting and the first mounting port, and the two ends of the stainless steel sleeve are outwardly opened, which not only facilitates the embedding between the stainless steel sleeve and the opening groove of the gasket, but also facilitates the plug-in between the stainless steel sleeve and the pipe fitting.

[0010] As preferred, the inner wall of the opening groove of the gasket is an inclined structure with an enlarged diameter inwardly from the groove; by the above arrangement of the opening groove structure, the stability after the embedding between the stainless steel sleeve and the gasket is better.

[0011] As preferred, the sleeve wall of the stainless steel sleeve is provided with two symmetrically distributed observation holes; by providing the observation holes, whether the plug-in between the pipe fitting and the first mounting port is in place can be observed in time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the multi-base elbow of the utility model.

[0013] Figure 2 It is a front view cross-sectional structure schematic view of the multi-base elbow of the utility model.

[0014] The reference signs in the drawings are as follows: 1, elbow pipe fitting; 2, first mounting port; 3, second mounting port; 4, mounting base; 5, tooth-shaped densification unit; 6, pressing unit; 21, embedding groove; 31, internal thread; 32, annular sealing protrusion; 41, first mounting base; 42, second mounting base; 43, mounting lug; 44, mounting hole; 51, protrusion; 61, gasket; 62, stainless steel sleeve; 63, open groove; 64, observation hole. DETAILED DESCRIPTION

[0015] The utility model will be introduced in detail below in combination with the drawings: as shown in the drawings, Figure 1 , 2 The utility model discloses an elbow pipe fitting, which comprises an elbow pipe fitting 1, the elbow pipe fitting 1 is respectively equipped with a first mounting port 2 and a second mounting port 3, and the first mounting port 2 and the second mounting port 3 are vertically distributed in L shape.

[0016] The mounting base 4 comprises a first mounting base 41 and a second mounting base 42, the first mounting base 41 corresponds to the pipe fitting wall of the first mounting port 2, the second mounting base 42 corresponds to the pipe fitting wall of the second mounting port 3, and the first mounting base 41 and the second mounting base 42 are each provided with two symmetrically-distributed mounting lugs 43 at one end close to the respective mounting port.

[0017] The inner circumferential wall of the second mounting port 3 is provided with an internal thread 31, and the upper end of the outer circumferential wall of the second mounting port 3 is provided with an annular sealing protrusion 32.

[0018] The tooth-shaped densification unit 5 comprises a plurality of protrusions 51 distributed along the axial direction of the elbow pipe fitting 1, the protrusions 51 are distributed at equal intervals, and the cross section of the protrusion 51 is in inverted tooth-shaped structure.

[0019] The pressing unit 6 comprises a gasket 61 and a stainless steel sleeve 62, the gasket 61 is mounted and fixed in a circle of embedding grooves 21 provided on the outer circumferential wall of the first mounting port 2, the embedding groove 21 is located at the rear end of the tooth-shaped densification unit 5, and the two ends of the stainless steel sleeve 62 are both in outwardly-opened opening shape, one end of the stainless steel sleeve 62 is embedded in an open groove 63 provided on the gasket 61, and the other end faces the pipe fitting to be inserted.

[0020] The inner wall of the open groove 63 of the gasket 61 is in inclined structure expanding in diameter inward along the groove opening.

[0021] The sleeve wall of the stainless steel sleeve 62 is provided with two symmetrical observation holes 64.

[0022] The working principle of the utility model is as follows: firstly, a pipe is inserted and fixed on the second installation port 3 of the upper end of the elbow pipe 1, then the pipe is inserted and fixed on the toothed densification unit 5 of the first installation port 2 of the elbow pipe 1, and whether the pipe is inserted in place is observed through the observation hole 64, that is, whether the one end of the pipe abuts against the gasket 61, if abutting, at this time, the stainless steel sleeve 62 realizes the compression between the pipe and the first installation port 2 through special tools, finally, the elbow pipe 1 can be directly installed on the working surface through the installation hole 44 on the installation lug 43 and adopting the bolt assembly or screw.

[0023] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multi-base elbow, comprising an elbow fitting (1), characterized in that: The elbow fitting (1) is provided with a first mounting port (2) and a second mounting port (3), and the first mounting port (2) and the second mounting port (3) are arranged in an L-shape vertically. An L-shaped vertical mounting base (4) is integrally die-cast on one side of the outer peripheral wall of the elbow fitting (1), and the elbow fitting (1) is fixedly installed on the working surface through the mounting base (4). A toothed densifying unit (5) for increasing the sealing performance of the pipeline is provided on the outer peripheral wall of the first mounting port (2), and a pressing unit (6) for pressing the pipeline is installed on the outer peripheral wall of the first mounting port (2), and the pressing unit (6) corresponds to the toothed densifying unit (5).

2. The multi-base elbow according to claim 1, characterized in that: The mounting base (4) includes a first mounting base (41) and a second mounting base (42). The first mounting base (41) corresponds to the pipe wall of the first mounting port (2), and the second mounting base (42) corresponds to the pipe wall of the second mounting port (3). The first mounting base (41) and the second mounting base (42) are each provided with two symmetrically distributed mounting lugs (43) at one end near their respective mounting ports. The mounting lugs (43) are provided with mounting holes (44).

3. The multi-base elbow according to claim 1, characterized in that: The inner circumferential wall of the second mounting port (3) is provided with an internal thread (31), and the upper end of the outer circumferential wall of the second mounting port (3) is provided with a ring-shaped sealing protrusion (32).

4. The multi-base elbow according to claim 1, characterized in that: The toothed densification unit (5) includes several rings of protrusions (51) distributed along the axial direction of the elbow fitting (1). The protrusions (51) are evenly spaced and the cross-section of the protrusions (51) is an inverted tooth structure.

5. The multi-base elbow according to claim 1, characterized in that: The clamping unit (6) includes a gasket (61) and a stainless steel sleeve (62). The gasket (61) is installed and fixed in a ring of embedded grooves (21) on the outer peripheral wall of the first mounting port (2). The embedded grooves (21) are located at the rear end of the toothed densification unit (5). Both ends of the stainless steel sleeve (62) are outwardly open, with one end embedded in the opening groove (63) of the gasket (61) and the other end facing the pipe to be inserted.

6. The multi-base elbow according to claim 5, characterized in that: The inner wall of the opening groove (63) of the gasket (61) is an inclined structure with an enlarging diameter along the groove opening.

7. The multi-base elbow according to claim 5, characterized in that: The stainless steel sleeve (62) has two symmetrically distributed observation holes (64) on its sleeve wall.

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