CN219994643U

CN219994643U - Pipe fitting connection structure

Info

Publication number: CN219994643U
Application number: CN202321401299.2U
Authority: CN
Inventors: 苑龙丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-10
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to a pipe fitting connecting structure, which comprises a connector, wherein the upper end of the connector is provided with a connecting end, the inside of the connecting end is provided with an annular clamping groove, the bottom of the clamping groove is a horizontal plane, the periphery of the connecting end is provided with external threads, the connector is connected with a buckling cap through the external threads, and a rubber ring, a metal gasket, a metal clamping spring and a special-shaped gasket are sequentially arranged between the connector and the buckling cap.

Description

Pipe fitting connection structure

Technical Field

The utility model relates to a pipe fitting connecting structure, and belongs to the technical field of pipe fitting connecting pieces.

Background

The water heating pipe fitting is what is relatively commonly used in life, and the connecting piece is generally needed to be used when connecting at present, and the connecting form of water heating pipe fitting and connecting piece is generally threaded connection, and the connecting piece embeds the screw thread, because the pipe fitting is smooth pipe, so need use professional equipment to make the screw thread on the pipe fitting of waiting to connect and be connected with the connecting piece again, professional equipment is generally higher in price, and is very heavy, and is higher to operating personnel technical requirement, so the operation is more troublesome, and the connecting piece once the maintenance of having a problem takes time and energy, and is difficult to operate.

In addition, the current connecting piece antiseep effect is poor, often can appear the circumstances of water seepage, can not satisfy current user demand.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the pipe fitting connecting structure which has the advantages of good anti-seepage effect, simplicity and rapidness in installation, time and labor saving, low requirements on the installation technology, low cost, high pressure bearing, convenience in maintenance and long service life, and can be realized without other tools.

The aim of the utility model is achieved by the following technical measures: the utility model provides a pipe fitting connection structure, includes the connector, and the upper end of connector has the link, and the inside of link has annular draw-in groove, and the bottom of draw-in groove is the horizontal plane, and the periphery of link has the external screw thread, and the connector has the knot cap through external screw thread threaded connection, is equipped with rubber ring, metal gasket, metal jump ring and dysmorphism packing ring in proper order between connector and the knot cap.

As a further improvement of the above technical scheme:

the special-shaped gasket is arranged above the metal clamp spring and comprises a lantern ring, an annular base is arranged on the periphery of the lantern ring, and the upper surface of the annular base is an inclined surface.

The rubber ring is arranged in the clamping groove, the outer diameter of the rubber ring is the same as that of the clamping groove, and the thickness of the rubber ring is slightly larger than the depth of the clamping groove.

The metal gasket is arranged above the rubber ring, the outer diameter of the metal gasket is larger than that of the rubber ring and smaller than that of the connecting end, and the inner diameter of the metal gasket is equal to that of the rubber ring.

The metal clamp spring is arranged above the metal gasket and comprises a circular ring, and a plurality of elastic clamping pieces are uniformly arranged on the inner periphery of the circular ring at intervals.

The elastic cards are obliquely arranged towards the inner lower part, and the ends of the elastic cards are propped against the metal gasket.

The outer diameter of the metal clamp spring is equal to the outer diameter of the metal gasket, and the inner diameter of the metal clamp spring is equal to the inner diameter of the metal gasket.

The button cap is arranged above the special-shaped gasket, a round through hole is formed in the center of the upper portion of the button cap, and internal threads are formed in the button cap.

The special-shaped gasket is made of plastic, and the part of the buckling cap, which is positioned at the periphery of the circular through hole, is outwards and downwards inclined.

The special-shaped gasket is made of steel, and the part of the buckling cap, which is positioned at the periphery of the circular through hole, is horizontally arranged.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages that: when the anti-leakage pipe fitting is used, the pipe fitting is directly inserted into the pipe fitting connecting structure, at the moment, the end part of the pipe fitting sequentially penetrates through the special-shaped gasket, the metal clamp spring, the metal gasket and the rubber ring in the pipe fitting connecting structure, the inner hole of the elastic clamp spring becomes small to clamp the pipe fitting after the elastic clamp of the metal clamp spring is pressed and deformed, meanwhile, the rubber ring is flattened through pressure, the purposes of fixing the pipe fitting and preventing leakage are achieved through flattening of the rubber ring, and the anti-leakage effect is good; the installation is simple and quick, time and labor are saved, the requirement on the installation technology is low, the installation can be realized without other tools, the cost is low, the bearing pressure is high, and the service life is long; in addition, when maintenance is needed, the button cap is unscrewed, and the maintenance is simple and convenient.

The utility model is further described below with reference to the drawings and the detailed description.

Drawings

Fig. 1 is a schematic perspective view of a pipe connection structure in embodiments 1 and 2 of the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of a pipe connection structure in embodiments 1 and 2 of the present utility model;

fig. 3 is a schematic perspective view of a pipe connection structure according to embodiments 1 and 2 of the present utility model with the cap removed;

FIG. 4 is a schematic view of the pipe fitting connection structure according to embodiments 1 and 2 of the present utility model with the cap removed;

FIG. 5 is a schematic cross-sectional view of the buckle cap according to embodiment 1 of the present utility model;

fig. 6 is a schematic cross-sectional view of the buckle cap in embodiment 2 of the present utility model.

In the figure, 1-connector, 2-rubber ring, 3-metal gasket, 4-metal jump ring, 5-special-shaped gasket, 6-knot cap, 7-link, 8-external screw thread, 9-draw-in groove, 10-ring, 11-elasticity card, 12-annular base, 13-lantern ring, 14-inclined plane, 15-circular through-hole, 16-internal screw thread.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1-5, a pipe fitting connection structure comprises a connector 1, wherein the connector 1 is tubular, the upper end of the connector 1 is provided with a connecting end 7, the connecting end 7 is tubular, an annular clamping groove 9 is formed in the connecting end 7, the bottom of the clamping groove 9 is a horizontal plane, the periphery of the connecting end 7 is provided with an external thread 8, the connector 1 is connected with a buckling cap 6 through the external thread 8 in a threaded manner, and a rubber ring 2, a metal gasket 3, a metal clamp spring 4 and a special-shaped gasket 5 are sequentially arranged between the connector 1 and the buckling cap 6.

The rubber ring 2 is arranged in the clamping groove 9, the outer diameter of the rubber ring 2 is the same as that of the clamping groove 9, the thickness of the rubber ring 2 is slightly larger than the depth of the clamping groove 9, and the rubber ring 2 plays roles in sealing and increasing friction force with a pipe fitting.

The metal gasket 3 sets up in the top of rubber ring 2, and the external diameter of metal gasket 3 is greater than the external diameter of rubber ring 2 and is less than the external diameter of link 7, and the internal diameter of metal gasket 3 equals the internal diameter of rubber ring 2, and metal gasket 3 plays the effect of supporting metal jump ring 4.

The metal clamp spring 4 is arranged above the metal gasket 3, the metal clamp spring 4 comprises a circular ring 10, a plurality of elastic clamping pieces 11 are uniformly arranged at intervals on the inner periphery of the circular ring 10, the elastic clamping pieces 11 are obliquely arranged towards the inner lower part, the end parts of the elastic clamping pieces 11 are propped against the metal gasket 3, the outer diameter of the metal clamp spring 4 is equal to the outer diameter of the metal gasket 3, and the inner diameter of the metal clamp spring 4 is equal to the inner diameter of the metal gasket 3.

The special-shaped gasket 5 is arranged above the metal clamp spring 4, the special-shaped gasket 5 comprises a collar 13, an annular base 12 is arranged on the periphery of the collar 13, the upper surface of the annular base 12 is an inclined surface 14, and the special-shaped gasket 5 is made of plastic materials.

The buckling cap 6 is arranged above the special-shaped gasket 5, a circular through hole 15 is formed in the center of the upper portion of the buckling cap 6, a lantern ring 13 on the special-shaped gasket 5 penetrates through the circular through hole 15, an internal thread 16 is arranged in the buckling cap 6, and the part of the buckling cap 6 located at the periphery of the circular through hole 15 is arranged in an outward and downward inclined mode.

When the pipe fitting connecting structure is used, a pipe fitting is directly inserted into the pipe fitting connecting structure, at the moment, the end part of the pipe fitting sequentially penetrates through the special-shaped gasket 5, the metal clamp spring 4, the metal gasket 3 and the rubber ring 2 in the pipe fitting connecting structure, the inner hole of the elastic clamp 11 of the metal clamp spring 4 becomes small after being pressed and deformed to clamp the pipe fitting, meanwhile, the rubber ring 2 is flattened through pressure, the pipe fitting is fixed and the anti-leakage purpose is achieved through flattening of the rubber ring 2, and the anti-leakage effect is good; the installation is simple and quick, time and labor are saved, the requirement on the installation technology is low, the installation can be realized without other tools, the cost is low, the bearing pressure is high, and the service life is long; in addition, when maintenance is needed, the button cap 6 is unscrewed, so that the maintenance is simple and convenient.

Examples

As shown in fig. 1 to 4 and 6, a pipe connection structure is the same as that of embodiment 1, and the difference from embodiment 1 is that the profiled washer 5 is made of steel, and the portion of the cap 6 located at the periphery of the circular through hole 15 is horizontally arranged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A pipe fitting connection structure, its characterized in that: including connector (1), the upper end of connector (1) has link (7), and the inside of link (7) has annular draw-in groove (9), and the bottom of draw-in groove (9) is the horizontal plane, and the periphery of link (7) has external screw thread (8), and connector (1) have through external screw thread (8) threaded connection to detain cap (6), are equipped with rubber ring (2), metal gasket (3), metal jump ring (4) and special-shaped packing ring (5) in proper order between connector (1) and detaining cap (6).

2. A pipe fitting connection according to claim 1, wherein: the special-shaped gasket (5) is arranged above the metal clamp spring (4), the special-shaped gasket (5) comprises a collar (13), an annular base (12) is arranged on the periphery of the collar (13), and the upper surface of the annular base (12) is an inclined surface (14).

3. A pipe fitting connection according to claim 2, wherein: the rubber ring (2) is arranged in the clamping groove (9), the outer diameter of the rubber ring (2) is the same as that of the clamping groove (9), and the thickness of the rubber ring (2) is slightly larger than the depth of the clamping groove (9).

4. A pipe fitting connection according to claim 3, wherein: the metal gasket (3) is arranged above the rubber ring (2), the outer diameter of the metal gasket (3) is larger than the outer diameter of the rubber ring (2) and smaller than the outer diameter of the connecting end (7), and the inner diameter of the metal gasket (3) is equal to the inner diameter of the rubber ring (2).

5. A pipe fitting connection according to claim 4, wherein: the metal clamp spring (4) is arranged above the metal gasket (3), the metal clamp spring (4) comprises a circular ring (10), and a plurality of elastic clamping pieces (11) are uniformly arranged at intervals on the inner periphery of the circular ring (10).

6. A pipe fitting connection according to claim 5, wherein: the elastic cards (11) are obliquely arranged inwards and downwards, and the ends of the elastic cards (11) are propped against the metal gasket (3).

7. A pipe fitting connection according to claim 6, wherein: the outer diameter of the metal clamp spring (4) is equal to the outer diameter of the metal gasket (3), and the inner diameter of the metal clamp spring (4) is equal to the inner diameter of the metal gasket (3).

8. A pipe fitting connection according to claim 7, wherein: the buckling cap (6) is arranged above the special-shaped gasket (5), a circular through hole (15) is formed in the center of the upper portion of the buckling cap (6), and an internal thread (16) is arranged in the buckling cap (6).

9. A pipe fitting connection according to claim 8, wherein: the special-shaped gasket (5) is made of plastic, and the part of the buckling cap (6) located at the periphery of the circular through hole (15) is inclined outwards and downwards.

10. A pipe fitting connection according to claim 8, wherein: the special-shaped gasket (5) is made of steel, and the part of the buckling cap (6) located at the periphery of the circular through hole (15) is horizontally arranged.