Plastic quick-plug connector

Abstract

The utility model discloses a plastic quick-plug connector which comprises a plastic three-way pipe fitting, a three-way pipe cavity is formed in the plastic three-way pipe fitting, a first liquid drainage pipe fitting is arranged at one end of the plastic three-way pipe fitting, and a first rubber pipe head is arranged at the end, away from the plastic three-way pipe fitting, of the first liquid drainage pipe fitting. A liquid injection threaded pipe fitting is arranged at the end, away from the first liquid drainage pipe fitting, of the plastic three-way pipe fitting, a limiting ring is fixed to the outer wall of one side of the liquid injection threaded pipe fitting, a hexagon nut is installed on the outer wall, on one side of the limiting ring, of the liquid injection threaded pipe fitting in a threaded mode, and the outer wall of the hexagon nut makes contact with the inner wall of the limiting ring. A second drainage pipe fitting is arranged at the bottom end of the plastic three-way pipe fitting, and a second rubber pipe head is arranged at the end, away from the plastic three-way pipe fitting, of the second drainage pipe fitting. According to the quick-plug connector, the quick-plug connector can meet the use requirements in different scenes, the application range of the quick-plug connector is widened, the sealing performance of the quick-plug connector in the use process is improved, and the purpose that external fluid pipe fittings are easily and quickly installed and connected is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting connection technical field, concretely is plastic fast plug connector. BACKGROUND

[0002] In the field of modern industry, agriculture, family etc., the joint of quick connection and disconnection is increasing, the traditional metal joint is high in strength, but the cost is higher, and it is heavy and easy to be damaged in some corrosive environment, the plastic joint is gradually favored because of its light weight, corrosion resistance, low cost and other advantages, so developing a plastic fast plug connector has important practical significance.

[0003] Referring to the plastic body fast plug connector with the announcement number CN203322583U, it includes the joint, forms the retaining table structure on one end of the joint, sets up the buckle structure on the retaining table structure, forms the clamping groove structure on the inner wall of the other end, the clamping groove structure is equipped with the quick connection nut structure of matched arrangement, the fast plug connector structure is simple and light, and the weight is reduced, has the characteristics of creep and elasticity simultaneously, simplifies product installation technology, and improves the reliability of product, in addition, the pipe fitting does not come off after installation, improves the use performance, according to the above, the fast plug connector can be better applied, but usually can only single direction fluid conveying discharge, and then is difficult to apply in different environment and use, has certain limitation. UTILITY MODEL CONTENT

[0004] The utility model discloses a plastic fast plug connector, to solve the fast plug connector can be better applied in the background art, but usually can only single direction fluid conveying discharge, and then is difficult to apply in different environment and use, has certain limitation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic quick-connect connector, comprising a plastic three-way pipe fitting, a three-way tube cavity is provided inside the plastic three-way pipe fitting, a first liquid discharge pipe fitting is provided at one end of the plastic three-way pipe fitting, a first rubber tube head is provided at the end of the first liquid discharge pipe fitting away from the plastic three-way pipe fitting, an injection threaded pipe fitting is provided at the end of the plastic three-way pipe fitting away from the first liquid discharge pipe fitting, a limiting ring is fixed on the outer wall of one side of the injection threaded pipe fitting, and a hexagonal nut is threadedly installed on the outer wall of the injection threaded pipe fitting on one side of the limiting ring The outer wall of the hexagonal nut touches the inner wall of the limit ring, the bottom end of the plastic three-way pipe fitting is provided with a second drainage pipe fitting, and the end of the second drainage pipe fitting away from the plastic three-way pipe fitting is provided with a second rubber tube head, the interior of the plastic three-way pipe fitting is provided with a three-way tube cavity, and the interior of the injection threaded pipe fitting is provided with an injection tube cavity, one end of the injection tube cavity is connected with one end of the three-way tube cavity, a magnetic ring is fixed on one side of the interior of the injection tube cavity, an annular mounting frame is adsorbed and installed on the outer wall of the magnetic ring, and a filter is provided on the inner side of the annular mounting frame.

[0006] Preferably, a first drainage cavity is provided at the center of the first drainage pipe, one end of the first drainage cavity is connected to one end of the three-way cavity, and the first drainage cavity is provided to transport and discharge the fluid.

[0007] Preferably, a first tube head cavity is provided at the center position inside the first rubber tube head, one end of the first tube head cavity is connected to one end of the first drainage cavity, and the other end of the first tube head cavity extends to the outside of the first rubber tube head, so that the fluid can be transported and discharged through the setting of the first tube head cavity.

[0008] Preferably, a second drainage cavity is provided at the center of the second drainage pipe, and the top of the second drainage cavity is connected to the bottom end of the three-way tube cavity. The second drainage cavity is provided to transport and discharge the fluid.

[0009] Preferably, positioning columns are provided on the outer walls on both sides of the top of the second drainage pipe fitting, and positioning holes are provided inside the positioning columns. Both ends of the positioning holes extend to the outside of the positioning columns, and the quick-connect connector is positioned and placed by means of bolts that penetrate the positioning holes and are screwed into the threaded grooves preset on the designated platform.

[0010] Preferably, a second tube head cavity is provided at the center position inside the second rubber tube head, the top end of the second tube head cavity is connected to the bottom end of the second drainage cavity, and the bottom end of the second tube head cavity extends to the outside of the second rubber tube head. The second tube head cavity is provided to facilitate the transportation and discharge of fluid.

[0011] Preferably, a sealing ring is installed at one end of the liquid injection threaded fitting away from the plastic tee fitting, and an inner cavity is provided inside the sealing ring. The sealing ring is provided to improve the sealing between the liquid supply fitting and the liquid injection threaded fitting.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the plastic quick-connect connector not only enables the quick-connect connector to meet the use requirements in different scenarios, thereby expanding the scope of application of the quick-connect connector, but also improves the sealing performance of the quick-connect connector during use, and achieves the purpose of facilitating the rapid installation and connection of external fluid pipes;

[0013] (1) A three-way tube cavity, a first liquid discharge cavity, a liquid injection cavity and a second liquid discharge cavity are respectively provided inside the plastic three-way tube fitting, the first liquid discharge tube fitting, the liquid injection threaded tube fitting and the second liquid discharge tube fitting, and the second liquid discharge cavity is connected to the bottom end of the three-way tube cavity, and the first liquid discharge cavity and the liquid injection cavity are respectively connected to the two ends of the three-way tube cavity. When the fluid is transported from the liquid injection cavity to the three-way tube cavity, the fluid can be transported and discharged through the first liquid discharge cavity or the second liquid discharge cavity, so as to achieve the purpose of dual-channel fluid transportation, so that the quick-connect connector can meet the use requirements in different scenarios, thereby improving the application range of the quick-connect connector;

[0014] (2) By respectively arranging a first rubber tube head, a sealing ring and a second rubber tube head at one end of the first liquid discharge pipe fitting, the liquid injection threaded pipe fitting and the second liquid discharge pipe fitting, when the pipe fittings are installed and connected to the first liquid discharge pipe fitting, the liquid injection threaded pipe fitting and the second liquid discharge pipe fitting, the first rubber tube head, the sealing ring and the second rubber tube head will perform a sealing treatment on the connection position thereof, thereby effectively reducing the leakage of the fluid, thereby improving the sealing performance of the quick-connect connector when in use;

[0015] (3) By setting the first rubber tube head and the second rubber tube head, the discharge hose can be directly put on the outside of the first rubber tube head and the second rubber tube head, and due to the setting of the injection threaded pipe fitting, the liquid supply threaded pipe can be connected to one end of the injection threaded pipe fitting, and then the hexagonal nut is rotated so that the hexagonal nut is located on the outer wall of the injection threaded pipe fitting and slides until the hexagonal nut is screwed into the contact position between the injection threaded pipe fitting and the liquid supply threaded pipe, and the liquid supply threaded pipe can be installed and connected, thereby achieving the purpose of facilitating the rapid installation and connection of external fluid pipe fittings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 3This is a schematic diagram of the structure of the liquid injection threaded pipe fitting of the utility model from the right side;

[0019] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0020] In the figure: 1. Plastic tee pipe fitting; 101. Tee pipe cavity; 2. First drainage pipe fitting; 201. First drainage cavity; 3. First rubber tube head; 301. First tube head cavity; 4. Second drainage pipe fitting; 401. Second drainage cavity; 5. Second rubber tube head; 501. Second tube head cavity; 6. Positioning column; 7. Positioning hole; 8. Liquid injection threaded pipe fitting; 801. Liquid injection tube cavity; 9. Hexagonal nut; 10. Limiting ring; 11. Sealing ring; 1101. Ring cavity; 12. Magnetic ring; 13. Ring mounting frame; 14. Filter. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The present invention provides an embodiment of a plastic quick-connect connector, comprising a plastic three-way pipe fitting 1, wherein a three-way tube cavity 101 is provided inside the plastic three-way pipe fitting 1, a first liquid drainage pipe fitting 2 is provided at one end of the plastic three-way pipe fitting 1, a first liquid drainage cavity 201 is provided at the center position inside the first liquid drainage pipe fitting 2, and one end of the first liquid drainage cavity 201 is connected to one end of the three-way tube cavity 101;

[0023] When in use, the first liquid discharge cavity 201 is provided to transport and discharge the fluid;

[0024] A first tube head cavity 301 is provided at the center of the first rubber tube head 3. One end of the first tube head cavity 301 is connected to one end of the first liquid discharge cavity 201, and the other end of the first tube head cavity 301 extends to the outside of the first rubber tube head 3.

[0025] When in use, the first tube head cavity 301 is provided to transport and discharge the fluid;

[0026] The first liquid discharge pipe fitting 2 is provided with a first rubber tube head 3 at one end away from the plastic tee pipe fitting 1. The plastic tee pipe fitting 1 is provided with a liquid injection threaded pipe fitting 8 at one end away from the first liquid discharge pipe fitting 2. The liquid injection threaded pipe fitting 8 is provided with a sealing ring 11 at one end away from the plastic tee pipe fitting 1. The sealing ring 11 has an inner cavity 1101 therein.

[0027] When in use, the sealing ring 11 is provided to improve the sealing between the liquid supply pipe and the liquid injection threaded pipe 8;

[0028] A limiting ring 10 is fixed on the outer wall of one side of the injection threaded pipe fitting 8, and a hexagonal nut 9 is threadedly installed on the outer wall of the injection threaded pipe fitting 8 on one side of the limiting ring 10. The outer wall of the hexagonal nut 9 touches the inner wall of the limiting ring 10. The bottom end of the plastic tee pipe fitting 1 is provided with a second drainage pipe fitting 4, and a second drainage cavity 401 is provided at the center position inside the second drainage pipe fitting 4. The top of the second drainage cavity 401 is connected to the bottom end of the tee pipe cavity 101;

[0029] When in use, the second liquid discharge cavity 401 is provided to transport and discharge the fluid;

[0030] A second tube head cavity 501 is provided at the center of the second rubber tube head 5. The top of the second tube head cavity 501 is connected to the bottom of the second drainage cavity 401, and the bottom of the second tube head cavity 501 extends to the outside of the second rubber tube head 5.

[0031] When in use, the second tube head cavity 501 is provided to transport and discharge the fluid;

[0032] Positioning posts 6 are provided on both sides of the outer wall of the top of the second liquid discharge pipe 4. Positioning holes 7 are provided inside the positioning posts 6. Both ends of the positioning holes 7 extend to the outside of the positioning posts 6.

[0033] When in use, the quick-connect connector is positioned by passing the bolt through the positioning hole 7 and screwing it into the threaded groove preset on the designated platform;

[0034] A second rubber tube head 5 is provided at one end of the second liquid discharge pipe fitting 4 away from the plastic three-way pipe fitting 1. A three-way tube cavity 101 is provided inside the plastic three-way pipe fitting 1. An injection tube cavity 801 is provided inside the injection threaded pipe fitting 8. One end of the injection tube cavity 801 is connected to one end of the three-way tube cavity 101. A magnetic ring 12 is fixed to one side of the injection tube cavity 801. An annular mounting frame 13 is adsorbed and installed on the outer wall of the magnetic ring 12. A filter screen 14 is provided on the inner side of the annular mounting frame 13.

[0035] The first rubber pipe head 3 and the second rubber pipe head 5 are arranged outside the liquid discharge hose, the liquid supply threaded pipe is connected to one end of the liquid injection threaded pipe, the hexagonal nut 9 is rotated to slide on the outer wall of the liquid injection threaded pipe 8, and the hexagonal nut 9 is screwed into the contact position of the liquid injection threaded pipe 8 and the liquid supply threaded pipe, so that the liquid supply threaded pipe is connected, the first rubber pipe head 3, the sealing ring 11 and the second rubber pipe head 5 are arranged to seal the connection position of the first liquid discharge pipe 2, the liquid injection threaded pipe 8 and the second liquid discharge pipe 4 and the external pipe, so as to reduce the leakage of the fluid, the three-way pipe cavity 101, the first liquid discharge cavity 201, the liquid injection cavity 801 and the second liquid discharge cavity 401 are arranged in the plastic three-way pipe 1, the first liquid discharge pipe 2, the liquid injection threaded pipe 8 and the second liquid discharge pipe 4 respectively, the second liquid discharge cavity 401 is communicated with the bottom end of the three-way pipe cavity 101, and the first liquid discharge cavity 201 and the liquid injection cavity 801 are respectively communicated with the two ends of the three-way pipe cavity 101, when the fluid is transported from the liquid injection cavity 801 to the three-way pipe cavity 101, the fluid can be transported and discharged through the first liquid discharge cavity 201 or the second liquid discharge cavity 401, so as to achieve the purpose of transporting the fluid through the double channels, the two positioning columns 6 are arranged, the positioning holes 7 are arranged on the inner side of the positioning columns 6, the bolts are penetrated through the positioning holes 7 and screwed into the threaded grooves reserved on the specified mounting platform, so as to position and arrange the quick plug connector, when the annular component frame 13 is attached and adsorbed to the outer wall of the magnetic ring 12, the filter screen 14 is arranged on the inner side of the liquid injection cavity 801, so as to filter and purify the fluid, improve the purity of the fluid, and complete the use of the quick plug connector.

Claims

1. Plastic quick-connect connector, characterized by: The invention comprises a plastic three-way pipe fitting (1), wherein a three-way tube cavity (101) is provided inside the plastic three-way pipe fitting (1), a first liquid discharge pipe fitting (2) is provided at one end of the plastic three-way pipe fitting (1), a first rubber tube head (3) is provided at the end of the first liquid discharge pipe fitting (2) away from the plastic three-way pipe fitting (1), a liquid injection threaded pipe fitting (8) is provided at the end of the plastic three-way pipe fitting (1) away from the first liquid discharge pipe fitting (2), a limiting ring (10) is fixed on the outer wall of one side of the liquid injection threaded pipe fitting (8), a hexagonal nut (9) is threadedly installed on the outer wall of the liquid injection threaded pipe fitting (8) on one side of the limiting ring (10), and the outer wall of the hexagonal nut (9) is fixed on the outer wall of the hexagonal nut (9). The wall of the plastic three-way pipe fitting (1) touches the inner wall of the limiting ring (10), the bottom end of the plastic three-way pipe fitting (1) is provided with a second drainage pipe fitting (4), and the end of the second drainage pipe fitting (4) away from the plastic three-way pipe fitting (1) is provided with a second rubber tube head (5), the interior of the injection threaded pipe fitting (8) is provided with an injection tube cavity (801), one end of the injection tube cavity (801) is connected to one end of the three-way tube cavity (101), a magnetic ring (12) is fixed on one side of the interior of the injection tube cavity (801), an annular mounting frame (13) is adsorbed and installed on the outer wall of the magnetic ring (12), and a filter screen (14) is provided on the inner side of the annular mounting frame (13).

2. The plastic quick-connect connector according to claim 1, wherein: A first liquid drainage cavity (201) is provided at the center of the first liquid drainage pipe member (2), and one end of the first liquid drainage cavity (201) is connected to one end of the three-way cavity (101).

3. The plastic quick-connect connector according to claim 2, wherein: A first tube head cavity (301) is provided at a central position inside the first rubber tube head (3), one end of the first tube head cavity (301) is connected to one end of the first liquid discharge cavity (201), and the other end of the first tube head cavity (301) extends to the outside of the first rubber tube head (3).

4. The plastic quick-connect connector according to claim 1, wherein: A second liquid drainage cavity (401) is provided at the center of the second liquid drainage pipe member (4), and the top end of the second liquid drainage cavity (401) is connected to the bottom end of the three-way tube cavity (101).

5. The plastic quick-connect connector according to claim 1, wherein: Positioning columns (6) are provided on both sides of the outer wall of the top of the second liquid discharge pipe (4), and a positioning hole (7) is provided inside the positioning column (6), and both ends of the positioning hole (7) extend to the outside of the positioning column (6).

6. The plastic quick-connect connector according to claim 4, wherein: A second tube head cavity (501) is provided at the center of the second rubber tube head (5), the top end of the second tube head cavity (501) is connected to the bottom end of the second drainage cavity (401), and the bottom end of the second tube head cavity (501) extends to the outside of the second rubber tube head (5).

7. The plastic quick-connect connector according to claim 1, wherein: A sealing ring (11) is installed at one end of the injection threaded pipe fitting (8) away from the plastic three-way pipe fitting (1), and an inner cavity (1101) is provided inside the sealing ring (11).

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