CN213982491U - Plug for water inlet pipe - Google Patents

Abstract

The utility model relates to an end cap for inlet tube, the end cap is fixed on the separate layer of cold hot water inlet in the tap main part of adjustable temperature, the end cap is cylinder cavity structure, the end cap surface is provided with the external screw thread, the inside polygon cavity of seting up of end cap, end cap one end bottom, the other end set up to the open end of polygon cavity, the open end all around to end cap surface direction extends the formation platform, the external diameter of platform is greater than the external diameter of external screw thread. The utility model discloses a with the interlayer replacement between cold water inlet and the hot water inlet in leading main part for the screw thread end cap, can select not unidimensional end cap according to pipeline inner structure, also can change the end cap in the use, and need not change whole leading main part.

Description

Plug for water inlet pipe

[ technical field ] A method for producing a semiconductor device

The utility model relates to an improvement of shower or tap equipment accessory, specifically speaking is an end cap for inlet tube.

[ background of the invention ]

A be equipped with cold water inlet and hot water inlet on the constant temperature dragon for among the constant temperature gondola water faucet, as shown in figure 1 be present tap main part section structure sketch map, wherein separate through separate layer 03 between hot water inlet 01 and the cold water inlet 02, respectively through different water inlets get into temperature control device, wherein, separate layer 03 and tap main part are pour through the mould sinking an organic whole in advance and are formed. The separating layer structure of this kind of form can not carry out nimble replacement according to water pressure's change, pipeline structure's change to long-term the use, the separating layer receives water pressure influence can produce the deformation, and is inconvenient to tear open and trade.

[ Utility model ] content

The utility model aims at solving the not enough among the prior art, provide an end cap for inlet tube for this reason, through with the interlayer replacement between cold water inlet and the hot water inlet in leading main part for the screw thread end cap, can select not unidimensional end cap according to pipeline inner structure, also can change the end cap in the use, and need not change whole leading main part.

In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a plug for inlet tube, the plug is fixed on the separate layer of cold hot water inlet in the tap main part of adjustable temperature, the plug is the cylinder cavity structure, the plug surface is provided with the external screw thread, the inside polygon cavity of seting up of plug, plug one end bottom, the other end set up to the open end of polygon cavity, the open end all around to plug surface direction extends and forms the platform, the external diameter of platform is greater than the external diameter of external screw thread.

Preferably, the first and second liquid crystal materials are,

the bottom is a plane or a convex surface, and the edge of the opening end is provided with an inclined surface for inserting the tightening tool.

Preferably, the first and second liquid crystal materials are,

the platform with the sealing washer is established to external screw thread contained angle department cover, the sealing washer is solid tourus, and its section is circular.

Preferably, the first and second liquid crystal materials are,

the sealing ring is an elastic ring made of rubber materials.

Preferably, the first and second liquid crystal materials are,

the outer diameter of the sealing ring is larger than or equal to that of the platform.

Preferably, the first and second liquid crystal materials are,

the included angle interval between the inclined plane and the platform is [120 degrees, 145 degrees ].

Preferably, the first and second liquid crystal materials are,

the height of the ramp is no greater than 50% of the thickness of the land.

Preferably, the first and second liquid crystal materials are,

the polygonal cavity is composed of a hexahedron cavity and a cone cavity, and the vertex angle of the cone cavity points to the bottom of the plug.

Preferably, the first and second liquid crystal materials are,

six faces of the hexahedral cavity are all concave cambered surfaces, and an inner concave angle is arranged on the inner surface of the conical cavity.

Preferably, the first and second liquid crystal materials are,

the plug is made of a rigid material.

The beneficial effects of the utility model are embodied in:

the plug of the utility model is used for replacing the separation layer in the water inlet of the existing thermostatic faucet, and the plug made of rigid material can enhance the strength of the separation structure, thereby being convenient to detach and replace and flexible to select; the utility model discloses an end cap main part is the cavity structure, sets up the external screw thread in the main part and is used for fixing, and inside is the polygon cavity, makes the outside zigzag rivers pipeline that constitutes of end cap, can avoid the end cap to receive hydraulic long-term direct impact and become flexible.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions related to the embodiments of the present invention will be briefly described below with reference to the accompanying drawings, and it is obvious that the drawings described in the present specification are only some possible embodiments of the present invention, and for those skilled in the art, other drawings identical or similar to the technical solutions of the present invention can be obtained according to the following drawings without any inventive work.

FIG. 1 is a schematic sectional view of a main body of a shower faucet;

FIG. 2 is a schematic sectional view of a plug for a water inlet pipe according to the present invention;

FIG. 3 is a schematic structural view of the plug for water inlet pipe of the present invention;

figure 4 is a top view of the plug for the inlet tube of the present invention.

The reference numerals and components referred to in the drawings are as follows:

01. the sealing structure comprises a hot water inlet, a 02 cold water inlet, a 03 separating layer, a 1 plug, 11 a bottom, 12 an opening end, 13 an inclined plane, 2 external threads, 3 a polygonal cavity, 31 a hexahedral cavity, 32 a conical cavity, 4 a platform and 5 a sealing ring.

[ detailed description ] embodiments

The technical solution described in the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments, and obviously, the embodiments described in the present specification are only a part of the feasible technical solutions of the present invention, and other embodiments obtained without any creative work by a person of ordinary skill in the art based on the embodiments of the present invention should be considered as belonging to the protection scope of the present invention.

The utility model discloses an assembly part on the separate layer of cold hot water inlet department in the end cap main part of shower faucet is mainly applied to, during actual production tap main part, can be with current separate layer department design for taking the screwed pipeline inner wall, also can directly set up the screw hole on original separate layer, the utility model discloses an end cap design is the screw end cap, replaces current separate layer structure with the end cap during assembly, consolidates inlet channel's steadiness, through designing the end cap to the cavity structure for the peripheral water pressure of end cap can obtain the buffering in the zigzag pipeline, prevents that the end cap is not hard up. In the embodiments of the present description, the reference "inside" and "outside" is based on the cavity structure of the plug, and the direction pointing to the inner wall of the cavity structure is "inside" and the direction away from the inner wall of the cavity structure is "outside".

As shown in the accompanying drawings 2-4 the utility model discloses an end cap for inlet tube, the separate layer structure department between cold water inlet 01 and the hot water inlet 02 in the tap main part of adjustable temperature is fixed to end cap 1, end cap 1 wholly is the cylinder cavity structure, end cap 1's surface is provided with external screw thread 2, 1 inside polygon cavity 3 of seting up of end cap for external screw thread 2 constitutes a groove structure, and its section presents for U type groove. The plug 1 has two ends, one of which is a bottom 11, and the surface of the bottom 11 may be a plane or a convex surface, and when the bottom 11 is a convex surface, the bottom may be specifically a conical surface or a spherical surface which protrudes in a direction away from the plug 1. The other end of the bottom 11 is set as an open end 12 of the polygonal cavity 3, and it can be seen from the top view 4 that the open end 12 of the polygonal cavity 3 is in a polygonal shape, that is, the cross-sectional shape of the open end 12 and the cross-sectional shape of the polygonal cavity 3 are consistent. The edge of the open end 12 may be a right angle, and preferably, as shown in fig. 2 and fig. 3, a tangent plane is made at the edge of the open end 12 to form an inclined plane 13, and the inclined plane 13 may be used as an insertion hole for guiding a tightening tool, so that the tightening tool can be inserted into the polygonal cavity 3 to tighten the plug 1. Preferably, in actual assembly, the open end 12 is located on the side of the pipeline corresponding to the hot water inlet 02, and the bottom 11 at the other end is located on the side of the pipeline corresponding to the cold water inlet 01.

Referring to fig. 2 and 3, the periphery of the open end 12 extends outwards along the surface direction of the plug 1 to form a platform 4, the platform 4 is an annular cylinder with a smooth surface, and the outer diameter of the annular cylinder is larger than that of the external thread 2, so that the whole plug 1 is similar to a T shape. Preferably, an included angle is formed at the junction of the platform 4 and the external thread 2, and the included angle is sleeved with the sealing ring 5, so that the sealing ring 5 is fixed between the first circle of convex teeth of the external thread 2 and the platform 4, and the sealing ring 5 is prevented from falling off and loosening from the plug 1. Specifically, as shown in fig. 2, the sealing ring 5 is a solid ring body, and the straightened state of the sealing ring is a solid cylinder with a circular cross section, and the diameter of the circular cross section is at least equal to the distance of the platform 4 protruding from the inner diameter of the external thread 2. Can strengthen the gas tightness that the stifled seal was sealed out through this sealing washer 5, prevent hot and cold water series flow, so sealing washer 5 is the elastic ring that rubber materials made, when meetting hot water, this sealing washer 5 can expand reinforcing shutoff effect in certain extent, and after the temperature declined, this sealing washer 5 can the reconversion, makes things convenient for end cap 1 to dismantle, simultaneously because sealing washer 5 possesses elasticity, also can play the guard action to end cap 1, prevents that end cap 1 from taking place the spalling by the thermal expansion. Preferably, the outer diameter of the sealing ring 5 is greater than or at least equal to the outer diameter of the platform 4, so that after the sealing ring 5 is sleeved on the plug 1, the highest point of the outer surface of the sealing ring 5 is slightly higher than the outer side surface of the platform 4 or the two are on the same plane.

Referring to fig. 2-4, an inclined plane 13 extends from the edge of the open end 12 of the polygonal cavity 3 into the cavity, an angle a between the inclined plane 13 and the platform 4 is [120 °,145 ° ], and preferably, the angle a is 135 °, so that a tightening tool can be smoothly guided to be inserted into the polygonal cavity 3 through the inclined plane, and abrasion to the open end 12 is prevented. The ramp 13 extends from the edge of the open end 12 and has a height H which is not greater than 50% of the thickness H of the platform 4, preferably 3 × H.

In a preferred embodiment, as shown in fig. 4, the polygonal cavity 3 inside the stopper 1 is composed of two parts, a hexahedral cavity 31 near the open end 12 and a conical cavity 32 near the bottom 11, the vertex of the conical cavity 32 pointing towards the bottom 11 of the stopper 1. The depth of the hexahedral cavity 31 is greater than that of the conical cavity 32, and the boundary line between the hexahedral cavity and the conical cavity is close to the bottom 11 of the plug 1. Six faces of the hexahedral cavity 31 are all concave cambered surfaces, the inner surface of the conical cavity 32 is a smooth surface, and an inner concave angle is also arranged on the smooth surface, so that the inner surface of the conical cavity 32 forms a sawtooth surface.

In order to ensure the stability of the plugging structure, the plug 1 is made of a rigid material, preferably a stainless steel material.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the method of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a plug for inlet tube, its characterized in that, the plug is fixed on the separate layer of cold hot water inlet in the tap main part of adjustable temperature, the plug is the cylinder cavity structure, the plug surface is provided with the external screw thread, the inside polygon cavity that sets up of plug, plug one end bottom, the other end set up to the open end of polygon cavity, the open end all around to plug surface direction extends and forms the platform, the external diameter of platform is greater than the external diameter of external screw thread.

2. The plug for a water inlet pipe of claim 1, wherein the bottom is a flat surface or a convex surface, and the edge of the open end is provided with an inclined surface for inserting the tightening tool.

3. The plug for a water inlet pipe of claim 2, wherein a sealing ring is sleeved at an included angle between the platform and the external thread, and the sealing ring is a solid annular body with a circular section.

4. The plug for a water inlet pipe of claim 3 wherein said sealing ring is an elastomeric ring made of rubber material.

5. The plug for a water inlet pipe of claim 3 wherein the outer diameter of the sealing ring is greater than or equal to the outer diameter of the platform.

6. The plug for a water inlet pipe of claim 2, wherein said inclined surface is at an angle of [120 °,145 ° ] to said platform.

7. The plug for a water inlet pipe of claim 2 wherein said inclined surface has a height that is no greater than 50% of the thickness of said platform.

8. The plug for a water inlet pipe of claim 1 wherein said polygonal cavity is comprised of a hexahedral cavity and a conical cavity, the apex of said conical cavity pointing towards the bottom of said plug.

9. The plug for a water inlet pipe of claim 8, wherein six faces of the hexahedral cavity are all concave cambered surfaces, and an inner concave angle is formed on the inner surface of the conical cavity.

10. A plug for a water inlet pipe according to any one of claims 1-9, wherein the plug is made of a rigid material.

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