Novel three-way quick connector

Abstract

The utility model discloses a novel three-way quick connector, which belongs to the technical field of pipeline connecting pieces and comprises a pipe main body with three interfaces, and a first quick connector, a second quick connector and a connecting short pipe are respectively arranged at the three interfaces of the pipe main body, so that the novel three-way quick connector can be respectively connected with an elastic hose, a hard pipe and a sensor. And meanwhile, the connection firmness of the elastic hose can be improved by means of an anti-slip structure at the root of the first quick connector. According to the utility model, only one three-way pipe joint is needed to realize the connection of the sensor and the pipeline, so that the pipeline connection points can be reduced, the probability of leakage and leakage is reduced, and the safety of the pipeline is ensured.

Description

Technical Field

[0001] This utility model belongs to the technical field of pipe connectors, and specifically relates to a novel tee quick connector. Background Technology

[0002] Currently, most commonly used pipe fittings have two quick-connect interfaces for easy and rapid pipe connection. When a sensor needs to be installed, a tee fitting is required to connect the sensor and the pipe. The disadvantage of this assembly method is that there are more interfaces on the pipe, which increases the number of connection points and the probability of leaks. Utility Model Content

[0003] To address the above problems, this utility model provides a novel tee quick connector.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A novel three-way quick connector includes a tube body with three interfaces: a first interface, a second interface, and a third interface. The first interface of the tube body is provided with a first quick connector that connects to a flexible hose, the second interface is provided with a second quick connector that connects to a rigid tube, and the third interface is provided with a connecting short tube that connects to a sensor. The root of the first quick connector is provided with an anti-slip structure.

[0006] Furthermore, the anti-slip structure includes multiple protrusions, which are circumferentially spaced at the root of the first quick connector.

[0007] Furthermore, the first quick connector is a pagoda-shaped connector, and the protrusion is a triangular pyramid shape with a rounded transition on the outer edge.

[0008] Furthermore, the cross-sectional shape of the protrusion is the same as that of the annular protrusion on the outer wall of the pagoda-shaped connector.

[0009] Furthermore, the sidewall of the connecting short tube is symmetrically provided with arc-shaped grooves that mate with the retaining spring, and the connecting short tube is connected to the sensor via the retaining spring. The edge of the opening of the connecting short tube is provided with a notch that mates with the sensor.

[0010] Furthermore, the second quick connector includes a fixed tube, a sleeve, and a shaped retaining ring. The sleeve and the fixed tube are connected by a snap-fit ​​structure. The side wall of the sleeve is provided with an arc-shaped hole for the shaped retaining ring to pass through. The sleeve is connected to the rigid tube through the shaped retaining ring. The sleeve and the fixed tube are sealed together by a sealing ring.

[0011] Furthermore, the first quick connector, the connecting short pipe, and the fixing pipe of the second quick connector are integrally formed with the pipe body into a single structure.

[0012] Further, the clamping structure comprises mutually matched clamping grooves and protrusions, positioning holes and positioning blocks, the clamping grooves and the positioning holes are multiple, the multiple clamping grooves and the multiple positioning holes are staggered along the lower edge of the sleeve, the clamping grooves are open at the lower end, the arc-shaped holes are arranged on the upper side wall of the sleeve, and the protrusions and the positioning blocks are correspondingly arranged on the outer wall of the fixed pipe.

[0013] Further, the special-shaped clamping ring is an arc-shaped metal ring, the two ends of the special-shaped clamping ring are respectively provided with an upward 90° bending and / or a downward 90° bending, two arc-shaped holes are symmetrically arranged on the side wall of the sleeve, a positioning groove for limiting one end of the special-shaped clamping ring is arranged on the outer wall of the sleeve above one arc-shaped hole, and a positioning groove for limiting the other end of the special-shaped clamping ring is arranged on the side wall of the sleeve below the other arc-shaped hole, the two positioning grooves are symmetrically arranged and arranged at the middle part of the two arc-shaped holes.

[0014] Further, a sealing ring is arranged between the inner wall mesa of the sleeve and the fixed pipe, a positioning mesa for placing the sealing ring is arranged on the inner wall of the fixed pipe, a sealing mesa for limiting the sealing ring is arranged on the inner side of the inner wall of the sleeve, a limiting groove for limiting the hard pipe is arranged on the edge of the inner wall, and a limiting mesa matched with the limiting groove is arranged on the outer wall of the hard pipe, a protrusion part is arranged on the outer wall of the sleeve at the position corresponding to the limiting groove, and a transition section protruding outward is arranged at the middle part of the special-shaped clamping ring and used for bypassing the protrusion part.

[0015] Compared with the prior art, the technical progress achieved by the utility model is that:

[0016] The utility model discloses a first quick connector, a second quick connector and a connecting short pipe are arranged at three interfaces of the pipe body respectively, can be connected with elastic hose, hard pipe and sensor respectively, and the anti -slip structure of the root of first quick connector can improve the connection firmness of elastic hose. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0018] In the drawings:

[0019] Figure 1 The utility model provides a structure schematic view of a novel three -way quick coupler for the embodiment of the utility model;

[0020] Figure 2 The utility model discloses a first quick connector, a second quick connector and a connecting short pipe are arranged at three interfaces of the pipe body respectively, can be connected with elastic hose, hard pipe and sensor respectively, and the anti -slip structure of the root of first quick connector can improve the connection firmness of elastic hose. Figure 1A cross-sectional view of the connecting short pipe;

[0021] Figure 3 An exploded structural schematic view of the fixed pipe and the sleeve pipe of the second quick connector in the embodiment of the utility model;

[0022] Figure 4 A cross-sectional view of the fixed pipe and the sleeve pipe in the embodiment of the utility model;

[0023] Figure 5 A structural schematic view of the special-shaped collar in the embodiment of the utility model;

[0024] In the drawing:

[0025] 1-pipe body; 2-first quick connector; 3-second quick connector; 4-connecting short pipe; 5-bump; 6-arc-shaped groove; 7-notch; 8-fixed pipe; 9-sleeve pipe; 10-special-shaped collar, 101-bend, 102-transition section, 103-step; 11-arc-shaped hole; 12-clamping groove; 13-protrusion; 14-positioning hole; 15-positioning block; 16-positioning groove; 17-sealing ring; 18-positioning platform; 19-limiting groove; 20-protruding part; 21-sealing platform. DETAILED DESCRIPTION

[0026] The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described again in some embodiments. The embodiments of the utility model will be described below with reference to the drawings.

[0027] As Figure 1 , Figure 2 and Figure 3 indicated, a novel three-way quick connector includes a pipe body 1 provided with three interfaces, the three interfaces are a first interface, a second interface and a third interface respectively, the first interface of the pipe body 1 is provided with a first quick connector 2 connected with an elastic hose, the second interface is provided with a second quick connector 3 connected with a hard pipe, and the third interface is provided with a connecting short pipe 4 connected with a sensor; the root of the first quick connector 2 is provided with an anti-slip structure. Wherein, the anti-slip structure includes a plurality of bumps 5, and the plurality of bumps 5 are circumferentially spaced apart at the root of the first quick connector 2. With the help of the anti-slip structure, the connection firmness of the elastic hose can be improved; only one three-way pipe connector is needed to realize the connection of the sensor and the pipeline, which can reduce the pipeline connection points, reduce the probability of running, leaking and dripping, and ensure the safety of the pipeline.

[0028] As a preferred structure, as Figure 2As shown, the first quick connector 2 is a pagoda connector, and the protrusion 5 is a triangular pyramid with a circular arc transition on the outer edge. The protrusion 5 has the same cross-sectional shape as the annular boss on the outer wall of the pagoda connector. The use of a pagoda connector can increase the contact area with the elastic hose and ensure that the first quick connector is securely connected to the elastic hose. During installation, the quick connection and disconnection with the hose can be achieved, thereby simplifying the assembly and maintenance process of the equipment and improving work efficiency.

[0029] In the specific embodiments of the present application, as shown in Figure 1 As shown, the side wall of the connecting short pipe 4 is symmetrically provided with an arc-shaped groove 6 matched with the snap spring, and the connecting short pipe 4 is connected to the sensor through the snap spring (not shown in the figure). The orifice edge of the connecting short pipe 4 is provided with a notch 7 matched with the sensor. During specific installation, the fixed end of the sensor is matched with the inner hole of the connecting short pipe, and is fixed through the snap spring; the exposed end of the sensor extends to the side through the notch for convenient observation, and the arc-shaped side walls on both sides of the notch can protect the sensor.

[0030] In the specific embodiments of the present application, as shown in Figure 3 、 4 As shown, the second quick connector 3 includes a fixed pipe 8, a sleeve 9 and a special-shaped ring 10, the sleeve 9 is connected to the fixed pipe 8 through a clamping structure; the side wall of the sleeve 9 is provided with an arc-shaped hole 11 for the special-shaped ring 10 to pass through, the sleeve 9 is connected to the hard pipe through the special-shaped ring 10, and the sleeve 9 and the fixed pipe 8 are sealingly matched through a sealing ring 17.

[0031] In order to simplify the production process, the first quick connector 2, the connecting short pipe 4 and the fixed pipe 8 of the second quick connector 3 are integrally formed with the pipe body 1 into an integrated structure. The use of engineering plastic for integral injection molding can realize batch production. Different materials can be selected for production according to the conveying medium in the pipeline, for example, a tee joint made of PA66+GF30 (glass fiber reinforced PA polyamide) material has high strength and rigidity, and also has good heat resistance and chemical resistance.

[0032] In the specific design, the clamping structure includes the clamping groove 12 and the protrusion 13, the positioning hole 14 and the positioning block 15. The clamping groove 13 and the positioning hole 14 are both multiple. The multiple clamping grooves 12 and the multiple positioning holes 14 are staggered along the lower edge of the sleeve 9. The clamping groove 12 is a notch groove with an open lower end. The arc-shaped hole 11 is arranged on the upper side wall of the sleeve 9. The positioning hole 14 and the positioning block 15 are both multiple. The protrusion 13 and the positioning block 15 are correspondingly arranged on the outer wall of the fixed pipe 8. The protrusion 13 is arranged on the edge of the outer wall of the aperture of the fixed pipe 8. The positioning block 15 is arranged between the aperture of the fixed pipe 8 and the pipe body 1. In the assembly, the clamping groove on the sleeve is inserted along the axial direction corresponding to the protrusion on the fixed pipe. When the positioning block enters the positioning hole, the connection and fixation of the two can be completed.

[0033] As shown in Figure 3 , the clamping groove 12 and the protrusion 13, the positioning hole 14 and the positioning block 15 are all four. The clamping groove 12 and the positioning hole 14 are staggered on the side wall of the sleeve 9. The protrusion 13 and the positioning block 15 are staggered on the outer wall of the fixed pipe 8. The four sets of clamping structures can realize the quick connection between the sleeve and the fixed pipe.

[0034] As shown in Figure 5 , the special-shaped clamping ring 10 is an arc-shaped metal ring. The two ends of the special-shaped clamping ring 10 are respectively provided with an upward 90° bending and / or a downward 90° bending 101. The side wall of the sleeve 9 is symmetrically provided with two arc-shaped holes 11. The outer wall of the sleeve 9 above one arc-shaped hole 11 is provided with a positioning groove 16 for limiting one end bending 101 of the special-shaped clamping ring 10. The side wall of the sleeve 9 below the other arc-shaped hole 11 is provided with a positioning groove 16 for limiting the other bending 101 of the special-shaped clamping ring 10. The two positioning grooves 16 are symmetrically arranged and arranged in the middle of the two arc-shaped holes 11. The above structure can realize the installation of the special-shaped clamping ring on the sleeve. At the same time, the arc-shaped groove on the outer wall of the hard pipe cooperates with the special-shaped clamping ring to realize the connection and fixation of the sleeve and the hard pipe.

[0035] Further optimization of the above scheme, as shown in Figure 3 , 4 , the sealing ring 17 is arranged between the inner wall platform of the sleeve 9 and the fixed pipe 8. The inner wall of the fixed pipe is provided with a positioning platform 18 for placing the sealing ring. The inner side of the inner wall of the sleeve is provided with a sealing platform 21 for limiting the sealing ring. The edge of the inner wall is provided with a limiting groove 19 for limiting the hard pipe, which is matched with the limiting platform on the outer wall of the hard pipe. The outer wall of the sleeve 9 is provided with a protruding part 20 corresponding to the position of the limiting groove 19. The special-shaped clamping ring 11 is provided with a transition section 102 protruding outward in the middle, which is used to bypass the protruding part 20. In the assembly, the sleeve and the hard pipe are quickly connected and fixed together by the special-shaped clamping ring. At the same time, the sealing performance of the connection between the sleeve and the fixed pipe is realized by the sealing ring.

[0036] Specifically, the limiting grooves 19 are two, and a middle part of two ends of the one protruding part 20 is provided with a guide groove for the special-shaped ring 10 to pass through, two sides of the transition section 102 of the special-shaped ring 10 are provided with steps 103, and the other protruding part 20 is provided with guide plates staggered on the upper and lower sides of two sides, and the guide plates are used for limiting the steps 103 on two sides of the transition section 102. The special-shaped ring with the above-mentioned staggered design can avoid the disengagement phenomenon in the use process, and further improve the connection firmness.

[0037] In summary, the utility model has the advantages of simple and compact structure, convenient and fast assembly, the first quick connector is connected with the hose through the pagoda joint, a plurality of protruding blocks are designed on the root to prevent disengagement, the second quick connector is connected and fixed with the hard pipe through the special-shaped ring, and is convenient to assemble and disassemble; meanwhile, the third interface is connected with the sensor through the connecting short pipe, and the sensor can be quickly installed through the clasp spring. The three-way pipe joint with the structure can improve the assembly convenience, only one three-way pipe joint is needed to realize the connection of the sensor and the pipeline, the connection is firm, the sealing performance is good, the pipeline connection points are reduced, the probability of running, bleeding and dripping is reduced, and the safety of the pipeline is ensured.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the scope of protection of the utility model claim.

Claims

1. A new type of tee quick connector characterized by: The utility model provides a pipe body with three interfaces, the three interfaces are respectively a first interface, a second interface and a third interface, the first interface of the pipe body is provided with a first quick connector connected with an elastic hose, the second interface is provided with a second quick connector connected with a hard pipe, and the third interface is provided with a connecting short pipe connected with a sensor; the root of the first quick connector is provided with an anti-slip structure.

2. A novel tee fitting according to claim 1, characterized in that: The anti-slip structure comprises a plurality of protrusions circumferentially spaced apart at the root of the first quick connector.

3. A novel tee fitting according to claim 2, characterized in that: The first quick connector is a pagoda-shaped connector, the protrusions are triangular pyramids, and the outer edges are circularly transitioned.

4. A novel tee fitting according to claim 3, characterized in that: The protrusions have the same cross-sectional shape as the annular bosses on the outer wall of the pagoda-shaped connector.

5. A novel tee fitting according to claim 1, characterized in that: The side wall of the connecting short pipe is symmetrically provided with an arc-shaped groove matched with a clasp spring, and the connecting short pipe is connected with the sensor through the clasp spring.

6. A novel tee fitting according to any one of claims 1 to 5, characterized in that: The second quick connector comprises a fixed pipe, a sleeve and a special-shaped clasp, the sleeve is connected with the fixed pipe through a clamping structure; the side wall of the sleeve is provided with an arc-shaped hole for the special-shaped clasp to pass through, the sleeve is connected with the hard pipe through the special-shaped clasp, and the sleeve and the fixed pipe are sealingly matched through a sealing ring.

7. A novel tee fitting according to claim 6, characterized in that: The first quick connector, the connecting short pipe and the fixed pipe of the second quick connector are integrally formed with the pipe body as an integrated structure.

8. A novel tee fitting according to claim 6, characterized in that: The clamping structure comprises clamping grooves and protrusions matched with each other, positioning holes and positioning blocks, the clamping grooves and the positioning holes are a plurality of, the plurality of clamping grooves and the positioning holes are staggered along the lower edge of the sleeve, the clamping grooves are open-end notched grooves, and the arc-shaped holes are arranged on the upper side wall of the sleeve; the positioning holes and the positioning blocks are a plurality of, and the protrusions and the positioning blocks are correspondingly arranged on the outer wall of the fixed pipe.

9. A novel tee fitting according to claim 8, characterized in that: The special-shaped clasp is an arc-shaped metal ring, the two ends of the special-shaped clasp are respectively provided with an upward 90° bending and / or a downward 90° bending; the side wall of the sleeve is symmetrically provided with two arc-shaped holes, the outer wall of the sleeve above one arc-shaped hole is provided with a positioning groove for limiting one end of the special-shaped clasp, the side wall of the sleeve below the other arc-shaped hole is provided with a positioning groove for limiting the other end of the special-shaped clasp, and the two positioning grooves are symmetrically arranged and arranged in the middle of the two arc-shaped holes.

10. A novel tee fitting according to claim 9, characterized in that: A sealing ring is arranged between the inner wall platform of the sleeve and the fixed pipe, a positioning table for placing the sealing ring is arranged on the inner wall of the fixed pipe, a sealing table for limiting the sealing ring is arranged on the inner side of the inner wall of the sleeve, a limiting groove for limiting the hard pipe is arranged on the edge of the inner wall, and a limiting table matched with the outer wall of the hard pipe is arranged; a protruding part is arranged on the outer wall of the sleeve corresponding to the limiting groove, and a transition section protruding outward is arranged in the middle of the special-shaped clasp for bypassing the protruding part.

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