CN221323381U - Multi-way pipe fitting - Google Patents

Abstract

The utility model provides a multi-way pipe fitting, and belongs to the technical field of pipe fittings. The valve core solves the problems that an existing multi-way valve core is inconvenient to replace and the flow speed is small. The multi-way pipe fitting comprises a multi-way pipe body and a valve core which is arranged in the multi-way pipe body and connected with the multi-way pipe body, and is characterized in that the multi-way pipe body consists of a main pipe and a pipe expanding part connected with the main pipe, and a convex ring part which protrudes inwards in the radial direction and is convenient for installing the valve core is arranged at an opening of the pipe expanding part. The utility model has the advantages of convenient valve core replacement and large flow rate.

Description

Multi-way pipe fitting

Technical Field

The utility model belongs to the technical field of pipe fittings, and relates to a multi-way pipe fitting.

Background

The pipe fitting is a collective term of parts playing roles of connection, control, diversion, sealing, support and the like in a pipeline system, particularly a multi-way pipe fitting is applied to the aspect of life, a valve core of the existing multi-way pipe is generally formed by welding and combining the valve core and the multi-way pipe in order to ensure the tightness of a joint, so that the whole multi-way pipe is required to be replaced after the valve core is damaged, the replacement cost is high, and meanwhile, the multi-way pipe is required to be communicated with a plurality of pipelines, so that in the actual use process, the water outlet of the multi-way pipe is relatively smaller due to the too small flow velocity of the valve core, and the use requirement is not met.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a multi-way pipe fitting with a valve core convenient to replace and capable of solving the problems.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a multi-way pipe fitting, includes the multi-way body and sets up in the multi-way body and the case that is connected with it, its characterized in that, the multi-way body constitute by being responsible for and being connected with the main pipe expand the pipe portion, expand the opening part of pipe portion on be provided with radial inwards protruding and be convenient for the bulge loop portion of case installation.

In the above-mentioned multi-way pipe fitting, the outer peripheral wall of the outer end of the main pipe and the pipe expanding portion is provided with a connecting flange which is convenient for connection with other pipe fittings.

In the multi-way pipe fitting, the outer end face of the convex ring part is provided with the stepped groove, and the upper end face of the convex ring part is provided with the boss part which protrudes outwards in the axial direction and is used for improving the sealing performance of the joint.

In the above-mentioned multi-way pipe fitting, the case by the main casing that has the check chamber, set up in the main casing and with looks sliding fit's valve rod to and set up in the main casing, and be connected with the valve rod, and through the end cover that valve rod is inconsistent with the main casing, the main casing be U type structure setting, the periphery wall of main casing on set up a plurality of along its circumferencial direction setting and with the overflow hole that the check chamber is linked together, the terminal surface of main casing on set up along its circumferencial direction setting's annular bar groove.

In the multi-way pipe fitting, the contact end of the end cover and the main shell is sleeved with the inner sealing ring gasket for enhancing the sealing performance.

In the multi-way pipe fitting, the abutting end of the main shell body and the convex ring part is sleeved with an outer sealing ring gasket matched with the boss part.

Compared with the prior art, the multi-way pipe fitting has the following advantages:

1. The multi-way pipe body comprises a main pipe and a pipe expanding part connected with the main pipe, wherein a convex ring part protruding radially inwards and being convenient for installing a valve core is arranged at the opening of the pipe expanding part, and the arrangement of the structure improves the internal flow, also ensures the tightness and simultaneously can update the valve core to reduce the use cost.

Drawings

Fig. 1 is a schematic cross-sectional view of the present multiway tube.

In the figure, 1, a multi-way pipe body; 2. a valve core; 3. a main pipe; 4. an expanding section; 5. a convex ring portion; 6. a connecting flange; 7. a boss portion; 8. a main housing; 9. a valve stem; 10. an end cap; 11. an overflow hole; 12. an annular strip groove; 13. an inner seal ring pad; 14. an outer seal ring pad.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, this multipass pipe fitting, including the multipass body and set up in the multipass body and the case that is connected with it, and can set up the connecting protrusion that a plurality of is the cavity setting on the multipass body, the multipass body comprises being responsible for and being connected with the person in charge's expanded pipe portion, the internal diameter of this expanded pipe portion is greater than the internal diameter of multipass body, be provided with radial inwards protruding and the bulge loop portion of being convenient for the case conflict installation on the inner perisporium of the opening part of expanded pipe portion, the stepped groove has been seted up on the outer terminal surface of bulge loop portion, the bulge loop portion is provided with the boss portion of the outside protruding just being used for improving junction leakproofness of axial on the up end of bulge loop portion, the case is by the main casing that has the check chamber, set up in the main casing and with looks sliding fit's valve rod, and set up in the main casing, and be connected with the valve rod, and be equipped with reset spring through the end cover that the valve rod is inconsistent with the main casing and main casing, the both ends of this reset spring are respectively with main casing and end cover, the main casing is U type structure setting up, and set up the terminal surface and supply and set up the annular groove that has set up along the circumference along the through hole that sets up along the circumference that the through hole that the peripheral direction of a plurality of the main casing that sets up with the main casing that the through the annular groove that the peripheral direction of the main casing that the through the peripheral direction of the main casing and the valve body that the main casing and the valve has set up.

As a preferable structure, a connection flange which is convenient to connect with other pipe fittings is provided on the outer peripheral wall of the main pipe and the expanded pipe portion at the outer end.

Further, in order to improve the tightness of the joint, the abutting end of the end cover and the main shell is sleeved with an inner sealing ring pad for enhancing the tightness, and the abutting end of the main shell and the convex ring part is sleeved with an outer sealing ring pad matched with the boss part.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the multi-way pipe body 1, the valve spool 2, the main pipe 3, the pipe expanding portion 4, the convex ring portion 5, the connection flange 6, the boss portion 7, the main housing 8, the valve stem 9, the end cap 10, the overflow hole 11, the annular groove 12, the inner seal ring gasket 13, the outer seal ring gasket 14 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (6)

1. The utility model provides a multi-way pipe fitting, includes multi-way body (1) and sets up in multi-way body (1) and case (2) rather than being connected, its characterized in that, multi-way body (1) constitute by being responsible for (3) and being connected with being responsible for expansion pipe portion (4) of (3), the opening part of expansion pipe portion (4) on be provided with radial inwards protruding and be convenient for bulge loop portion (5) of case (2) installation.

2. A multi-way pipe fitting according to claim 1, characterized in that the outer peripheral wall of the main pipe (3) and the expanded pipe portion (4) at the outer end is provided with a connecting flange (6) for facilitating connection with other pipe fittings.

3. The multi-way pipe fitting according to claim 1, wherein the outer end face of the convex ring part (5) is provided with a stepped groove, and the upper end face of the convex ring part (5) of the pipe expanding part (4) is provided with a boss part (7) protruding outwards in the axial direction and used for improving the tightness of the joint.

4. A multi-way pipe fitting according to claim 3, characterized in that the valve core (2) is formed by a main casing (8) with a check cavity, a valve rod (9) arranged in the main casing and in sliding fit with the main casing, and an end cover (10) arranged in the main casing (8) and connected with the valve rod (9) and in contact with the main casing (8) through the valve rod (9), the main casing (8) is arranged in a U-shaped structure, a plurality of overflow holes (11) arranged along the circumferential direction of the main casing (8) and communicated with the check cavity are formed in the peripheral wall of the main casing (8), and annular grooves (12) arranged along the circumferential direction of the main casing (8) are formed in the end face of the main casing.

5. A multi-way pipe fitting according to claim 4, characterized in that the end cap (10) is provided with an inner sealing ring gasket (13) for enhancing the sealing property against the main housing (8).

6. A multi-way pipe fitting according to claim 4, characterized in that the end of the main housing (8) abutting against the collar part (5) is provided with an outer sealing ring pad (14) cooperating with the boss part (7).