One-way pipe joint

Abstract

The one-way air pipe connector comprises a plug and a socket which are matched in an inserted mode and detachably connected through a buckle, the socket is provided with a first fluid channel penetrating through the two ends of the socket, and the plug is provided with a second fluid channel penetrating through the two ends of the plug. The plug is suitable for being inserted into the second fluid channel so that the first fluid channel can be communicated with the second fluid channel. A step part is arranged on the inner wall of the first fluid channel, and a silencing piece is arranged between the plug and the step part. According to the one-way breather pipe structure, the silencing piece is arranged between the plug and the socket, so that the flow speed of gas from the first fluid channel to the second fluid channel can be reduced, and noise generated by gas flowing can be further reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pneumatic accessories technical field, concretely relates to a single air pipe joint. BACKGROUND

[0002] Air pipe is the commonly used component in pneumatic system, and the air pipes in the pneumatic system are usually connected by air pipe joint to make the gas in two connected air pipes flow from one air pipe to another.

[0003] Because the flow rate of the gas in the air pipe is too fast when passing through the air pipe joint, a large noise is generated between the air pipe and the air pipe joint, which further causes the air pipe joint to generate a large noise when working, greatly affecting the user experience and reducing the user's comfort. SUMMARY

[0004] The utility model aims at at least one of the technical problems in the related art.

[0005] Therefore, the embodiment of the utility model provides a single air pipe joint.

[0006] The single air pipe joint of the utility model embodiment comprises a plug and a socket which are plugged and matched and connected by a buckle, the socket has a first fluid channel penetrating through both ends thereof, the plug has a second fluid channel penetrating through both ends thereof, the plug is adapted to be inserted into the second fluid channel to make the first fluid channel and the second fluid channel communicate;

[0007] A step portion is arranged on the inner wall of the first fluid channel, and a sound-absorbing sheet is arranged between the plug and the step portion.

[0008] The single air pipe structure of the utility model embodiment can reduce the flow rate of the gas from the first fluid channel to the second fluid channel by arranging the sound-absorbing sheet between the plug and the socket, and further can reduce the noise generated by the gas flow.

[0009] In some embodiments, the sound-absorbing sheet is a porous structure.

[0010] In some embodiments, a sealing ring is arranged between the plug and the socket.

[0011] In some embodiments, an annular groove is arranged on the outer peripheral wall of the plug or the inner peripheral wall of the first fluid channel of the socket, and the sealing ring is arranged in the annular groove.

[0012] In some embodiments, the single air pipe channel of the utility model embodiment further comprises a rubber ring pad arranged between the sound-absorbing sheet and the plug.

[0013] The rubber ring pad is provided with a through hole corresponding to the second fluid channel of the plug.

[0014] In some embodiments, the outer peripheral wall of the plug is provided with a plurality of limiting protrusions arranged at intervals along the circumferential direction thereof,

[0015] One end of the socket is provided with a plurality of first extension portions arranged at intervals along the axial direction thereof, and each of the plurality of first extension portions is provided with a limiting groove corresponding to the plurality of limiting protrusions.

[0016] In some embodiments, a guide groove is defined between adjacent first extension portions, and the outer peripheral wall of the plug is provided with a guide protrusion matched with the guide groove.

[0017] In some embodiments, the first extension portion is provided with a second extension portion away from one end of the socket.

[0018] In the direction away from the socket, the distance between the inner wall of the second extension portion and the central axis of the socket gradually increases.

[0019] In some embodiments, the socket has a first end and a second end opposite to each other in the axial direction thereof, and the plug has a third end and a fourth end opposite to each other in the axial direction thereof.

[0020] The third end of the plug is inserted into the first fluid channel of the socket by the second end of the socket.

[0021] In some embodiments, the first end is provided with a first connector for communicating the first fluid channel, and the outer periphery of the first connector is provided with a first annular protrusion.

[0022] In some embodiments, the fourth end is provided with a second connector for communicating the second fluid channel, and the outer periphery of the second connector is provided with a second annular protrusion. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0024] Fig. 1 is a structural schematic view of a single air pipe connector according to an embodiment of the present application;

[0025] Fig. 2 is a sectional view of the single air pipe connector according to an embodiment of the present application.

[0026] In the drawings:

[0027] 1, socket; 101, first fluid passage;

[0028] 2, plug; 201, second fluid passage;

[0029] 3, stepped portion;

[0030] 4, sound-absorbing piece;

[0031] 5, annular groove;

[0032] 6, through hole;

[0033] 7, limiting protrusion;

[0034] 8, limiting groove;

[0035] 9, first extension;

[0036] 10, guide groove;

[0037] 11, guide protrusion;

[0038] 12, second extension;

[0039] 13, first end;

[0040] 14, second end;

[0041] 15, third end;

[0042] 16, fourth end;

[0043] 17, first joint; 171, first annular protrusion;

[0044] 18, second joint; 181, second annular protrusion. DETAILED DESCRIPTION

[0045] In order to make the technical problems solved by the present application, technical solutions and beneficial effects more clearly understood, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0046] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0047] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal encapsulation of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0048] The following is in conjunction with the appendix Figs. 1-2 This invention describes a single-vent pipe connector according to an embodiment of the present invention.

[0049] like Figs. 1-2 As shown, the single-vent pipe connector of this utility model embodiment includes a plug 2 and a socket 1 that are plugged in and connected by a snap fastener. The socket 1 has a first fluid channel 101 that extends through both ends of the socket 1, and the plug 2 has a second fluid channel 201 that extends through both ends of the plug 2. The plug 2 is adapted to be inserted into the second fluid channel 201 so that the first fluid channel 101 and the second fluid channel 201 are connected.

[0050] like Figs. 1-2 As shown, a step portion 3 is provided on the inner wall of the first fluid channel 101, and a sound-absorbing plate 4 is provided between the plug 2 and the step portion 3.

[0051] In other words, the side of the silencing plate 4 near the step 3 abuts against the step 3, and the side of the silencing plate 4 near the plug 2 abuts against the plug 2.

[0052] Specifically, the sound-absorbing sheet 4 is a porous sheet formed by sintering PE material. That is, the sound-absorbing sheet 4 has a porous structure. The porous structure of the sound-absorbing sheet 4 can reduce the gas flow rate while maintaining the connection between the first fluid channel 101 and the second fluid channel 201, thereby achieving the effect of reducing gas noise.

[0053] Therefore, the single-vent pipe structure of this utility model can reduce the flow rate of gas from the first fluid channel 101 to the second fluid channel 201 by setting a sound-absorbing plate 4 between the plug 2 and the socket 1, thereby reducing the noise generated by gas flow and improving the user's comfort.

[0054] Therefore, the single-vent pipe connector of this utility model embodiment has the characteristic of low noise.

[0055] In some embodiments, a sealing ring is provided between the plug 2 and the socket 1.

[0056] Furthermore, an annular groove 5 is provided on the outer peripheral wall of the plug 2 or on the inner peripheral wall of the first fluid channel 101 of the socket 1, and a sealing ring is provided in the annular groove 5.

[0057] That is to say, the annular groove 5 can be arranged on the outer peripheral wall of the part of the plug 2 located in the first fluid channel 101 for installing the sealing ring, and the annular groove 5 can also be arranged on the inner peripheral wall of the part of the plug 2 in the first fluid channel 101 for installing the sealing ring.

[0058] It can be understood that by arranging the sealing ring between the plug 2 and the socket 1, the sealing performance between the plug 2 and the socket 1 can be greatly improved, and the sealing performance of the single air pipe joint of the embodiment of the utility model can be greatly improved.

[0059] In some embodiments, the single air pipe joint of the embodiment of the utility model further comprises a rubber ring pad, which is arranged between the sound-absorbing sheet 4 and the plug 2, and the rubber ring pad is provided with a through hole 6 corresponding to the second fluid channel 201 of the plug 2 to communicate the first fluid channel 101 and the second fluid channel 201, so that the gas in the second fluid channel 201 of the plug 2 can enter the first fluid channel 101 of the socket 1 through the through hole 6 of the rubber ring pad, and the rubber ring pad is made of flexible material and can absorb the pressure applied to the sound-absorbing sheet 4 after the plug 2 is installed in the first fluid channel 101 of the socket 1.

[0060] In some embodiments, the outer peripheral wall of the plug 2 is provided with a plurality of limiting protrusions 7 arranged at intervals in the circumferential direction thereof, one end of the socket 1 is provided with a plurality of first extension portions 9 arranged at intervals in the axial direction thereof, and each of the plurality of first extension portions 9 is provided with a limiting groove 8 corresponding to the plurality of limiting protrusions 7.

[0061] Optionally, as shown in Figs. 1-2 , the first extension portion 9 is two, and the two first extension portions 9 are arranged at intervals in the circumferential direction of the socket 1, that is, the two first extension portions 9 are arranged opposite to each other in the radial direction of the socket 1.

[0062] Similarly, as shown in Figs. 1-2 , the limiting protrusion 7 is also two, and the two limiting protrusions 7 are arranged at intervals in the circumferential direction of the plug 2, that is, the two limiting protrusions 7 are arranged opposite to each other in the radial direction of the plug 2.

[0063] By matching the limiting protrusion 7 in the limiting groove 8, the plug 2 and the socket 1 can be fixed, as described above, the flexible rubber ring pad is arranged between the sound-absorbing sheet 4 and the plug 2, when the plug 2 is inserted into the first fluid channel 101 of the socket 1 and the limiting protrusion 7 is matched in the limiting groove 8, the plug 2 extrudes the rubber ring pad, on the one hand, the rubber ring pad can absorb part of the force of the plug 2 acting on the sound-absorbing sheet 4 through deformation, on the other hand, the deformed rubber ring pad can exert a counterforce on the plug 2, thereby making the matching between the limiting protrusion 7 and the limiting groove 8 more compact, and greatly improving the connection stability of the plug 2 and the socket 1 assembly.

[0064] In some embodiments, the first extension 9 defines a guide slot 10 therebetween, and the outer wall of the plug 2 is provided with a guide protrusion 11 that is configured to be fitted into the guide slot 10.

[0065] As shown in FIG. 1, the first extension 9 is two, and the two first extensions 9 define two guide slots 10 therebetween, and the outer wall of the plug 2 is provided with a guide protrusion 11 that is configured to be fitted into the guide slot 10. When the guide protrusion 11 is fitted into the guide slot 10, the limiting protrusion 7 can be fitted into the limiting slot 8. Figs. 1-2

[0066] Thus, when the plug 2 is inserted into the first fluid channel 101 of the socket 1, the guide protrusion 11 on the plug 2 is fitted into the guide slot 10 of the socket 1, which guides the limiting protrusion 7 to be fitted into the limiting slot 8.

[0067] In some embodiments, the first extension 9 is provided with a second extension 12 at an end thereof that is away from the socket 1.

[0068] As shown in FIG. 1, in the direction away from the socket 1, the distance between the inner wall of the second extension 12 and the central axis of the socket 1 gradually increases. Figs. 1-2 Thus, the user can detach the plug 2 and the socket 1 by outwardly bending the second extension 12, thereby bending the first extension 9, and then disengaging the limiting protrusion 7 from the limiting slot 8.

[0069] In some embodiments, the socket 1 has a first end 13 and a second end 14 that are opposite to each other in the axial direction thereof, and the plug 2 has a third end 15 and a fourth end 16 that are opposite to each other in the axial direction thereof.

[0070] The third end 15 of the plug 2 is inserted into the first fluid channel 101 of the socket 1 from the second end 14 of the socket 1.

[0071] Further, the first end 13 is provided with a first connector 17 that is configured to communicate with the first fluid channel 101, and the outer periphery of the first connector 17 is provided with a first annular protrusion 171.

[0072] Further, the fourth end 16 is provided with a second connector 18 that is configured to communicate with the second fluid channel 201, and the outer periphery of the second connector 18 is provided with a second annular protrusion 181.

[0073]

[0074] ​​The single air pipe joint of the embodiment of the utility model can connect the air pipe with the plug 2 and connect the air pipe with the socket 1, and the first annular protrusion 171 and the second annular protrusion 181 arranged on the first joint 17 and the second joint 18 can improve the friction between the air pipe and the first joint 17 and the second joint 18, so that the air pipe can be more stably connected to the first joint 17 and the second joint 18.

[0075] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A single-entry vent pipe connector, characterized in that, The device includes a plug (2) and a socket (1) that are plugged in and detachably connected by a snap-fit ​​mechanism. The socket (1) has a first fluid channel (101) extending through both ends therethrough, and the plug (2) has a second fluid channel (201) extending through both ends therethrough. The plug (2) is adapted to be inserted into the second fluid channel (201) so that the first fluid channel (101) communicates with the second fluid channel (201). The inner wall of the first fluid channel (101) is provided with a stepped portion (3), and a sound-absorbing plate (4) is provided between the plug (2) and the stepped portion (3).

2. The single-vent pipe connector according to claim 1, characterized in that, The sound-absorbing sheet has a porous structure.

3. The single-vent pipe connector according to claim 1, characterized in that, A sealing ring is provided between the plug (2) and the socket (1).

4. The single-vent pipe connector according to claim 1, characterized in that, It also includes a rubber ring gasket, which is disposed between the sound-absorbing sheet (4) and the plug (2); The rubber gasket has a through hole (6) corresponding to the second fluid channel (201) of the plug (2).

5. The single-vent pipe connector according to claim 1, characterized in that, The outer peripheral wall of the plug (2) is provided with a plurality of limiting protrusions (7) spaced apart along its circumference. One end of the socket (1) is provided with a plurality of first extensions (9) spaced apart along its axial direction, and the plurality of first extensions (9) are respectively provided with limiting grooves (8) corresponding to the plurality of limiting protrusions (7).

6. The single-vent pipe connector according to claim 5, characterized in that, A guide groove (10) is defined between adjacent first extensions (9), and a guide protrusion (11) is provided on the outer peripheral wall of the plug (2) to cooperate with the guide groove (10).

7. The single-vent pipe connector according to claim 6, characterized in that, The first extension (9) has a second extension (12) at the end away from the socket (1); Along the direction away from the socket (1), the distance between the inner wall of the second extension (12) and the central axis of the socket (1) gradually increases.

8. The single-vent pipe connector according to claim 1, characterized in that, The socket (1) has a first end (13) and a second end (14) opposite each other in its axial direction, and the plug (2) has a third end (15) and a fourth end (16) opposite each other in its axial direction. The third end (15) of the plug (2) is inserted into the first fluid channel (101) of the socket (1) by the second end (14) of the socket (1).

9. The single-vent pipe connector according to claim 8, characterized in that, The first end (13) is provided with a first connector (17) for connecting the first fluid channel (101), and the outer periphery of the first connector (17) is provided with a first annular protrusion (171).

10. The single-vent pipe connector according to claim 8, characterized in that, The fourth end (16) is provided with a second connector (18) for connecting the second fluid channel (201), and the outer periphery of the second connector (18) is provided with a second annular protrusion (181).

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