CN210050338U

CN210050338U - One-way charging connector and charging tube thereof

Info

Publication number: CN210050338U
Application number: CN201920837888.2U
Authority: CN
Inventors: 钟建邦; 刘杏
Original assignee: Dongguan Wing Long Industrial Co Ltd
Current assignee: Dongguan Wing Long Industrial Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-11
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses an one-way charging connector and gas tube thereof, including activity core and cylindrical housing, the inside both ends of casing are equipped with air inlet chamber and gas outlet respectively, the gas outlet is outer wide interior narrow design, and air inlet chamber and gas outlet intercommunication each other form inlet channel, the activity core has the core bar, the both ends of core bar are equipped with pole socket and pole head respectively, the pole socket is located the air inlet intracavity, the pole head is worn out the air inlet chamber and is stretched in the gas outlet, the pole head overcoat is equipped with flexible valve cap, the core bar overcoat is equipped with and makes flexible valve cap have the reset spring who plugs up the trend of gas outlet all the time, reset spring's one end is supported in the inboard of gas outlet, and the other end supports on the pole socket, the pole socket is equipped with the notch that makes the air inlet chamber of. The utility model simplifies the structure of the charging connector, and makes the user more convenient to assemble and use; and through adopting flexible valve cap shutoff gas outlet, through flexible material's deformation, sealed effect is better, more can improve the inflation efficiency of charging connector.

Description

One-way charging connector and charging tube thereof

Technical Field

The utility model relates to an aerating device technical field, concretely relates to one-way charging connector and gas tube thereof.

Background

In the real life, the inflatable product gradually replaces the traditional product because of the advantages of occupying no space, being durable, low in manufacturing cost, convenient to carry and use and the like, and is more and more widely applied to various fields of outdoor life, entertainment, medical care, home life, water toys, advertising gifts and the like. The inflatable product is mainly inflated and deflated or discharged through the air tap. The existing inflating nozzle is complex in structure, inconvenient to assemble and high in production cost, and the use experience of a user is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide an one-way charging connector and gas tube thereof, it can simplify the charging connector structure, improves the equipment effect of charging connector, and can improve the one-way efficiency of admitting air of charging connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an one-way charging connector, includes activity core and cylindrical casing, the inside both ends of casing are equipped with air inlet chamber and gas outlet respectively, the gas outlet is outer wide interior narrow design, just air inlet chamber and the mutual intercommunication of gas outlet form inlet channel, the activity core has the core bar, the both ends of core bar are equipped with pole socket and pole head respectively, the pole socket is located air inlet chamber, the pole head is worn out air inlet chamber and is stretched in the gas outlet, the pole head overcoat is equipped with flexible valve cap, the core bar overcoat is equipped with the reset spring that makes flexible valve cap have the trend of plugging up the gas outlet all the time, reset spring's one end is supported in the inboard of gas outlet, and the other end supports on the pole socket, the pole socket is equipped with the notch that makes air inlet chamber intercommunication.

As a preferred scheme, the tip of pole head is equipped with the bulge loop of radially outwards protruding stretching, the external diameter of bulge loop is less than the width of the narrowest department of gas outlet, flexible valve cap is equipped with the storage tank that corresponds with the bulge loop, the storage tank has the elasticity opening, the width of elasticity opening is less than the width of bulge loop, flexible valve cap passes through the bulge loop card and installs on the pole head in the storage tank.

Preferably, the flexible valve cap is provided with an outwardly extending sealing ring around the periphery of the resilient opening.

As a preferred scheme, the pole head is equipped with the spacing ring that sets up with the bulge loop interval, the external diameter of spacing ring is less than the width of the narrowest department of gas outlet, form the annular spacing groove between spacing ring and the bulge loop, the width of spacing groove and the thickness looks adaptation of flexible valve cap elasticity opening part.

As a preferable scheme, one side of the limiting ring, which is far away from the convex ring, is provided with a conical air guide inclined plane.

Preferably, the rod seat is cross-shaped.

As a preferable scheme, a plurality of annular anti-reverse steps are arranged on the outer surface of the shell, and the anti-reverse steps face the air inlet direction of the air inlet channel.

The one-way inflation tube comprises an inflation tube body, wherein the air inlet end of the inflation tube body is provided with the one-way inflation nozzle, and the air outlet end of the inflation tube body is provided with a connecting pin used for being connected with a product to be inflated.

As a preferred scheme, the shell of the one-way inflation nozzle is embedded in the air inlet end of the inflation tube body and is tightly matched and connected with the inner wall surface of the inflation tube body.

As a preferred scheme, still include the gas cap that is used for covering one-way charging connector, one side of gas cap is equipped with the splice bar, the one end of splice bar is equipped with the lantern ring, the lantern ring cover is located outside the gas tube body.

The utility model discloses the assembly process as follows:

the return spring is sleeved outside the core rod from the rod head of the movable core, then the movable core and the return spring are installed in the air inlet cavity of the shell, then the rod seat of the movable core is pushed to enable the rod head to extend out of the air outlet, and finally the flexible valve cap is sleeved on the rod head of the movable core to complete the assembly of the charging connector. The utility model discloses an during one-way gas tube equipment, earlier overlap the lantern ring in the gas tube body outside, the one-way charging connector that will accomplish the equipment again fills in the inlet end of gas tube body to make the inlet end inflation of gas tube body, make the lantern ring only can move about between inlet end and connection foot.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically, the air outlet with wide outside and narrow inside is arranged on the shell, the rod head of the movable core penetrates out of the air inlet cavity and extends into the air outlet, the flexible valve cap is sleeved on the rod head of the movable core, and the reset spring which enables the flexible valve cap to always block the air outlet is arranged in the air inlet cavity, thereby simplifying the structure of the charging connector and facilitating the assembly and use of users; and through adopting flexible valve cap shutoff gas outlet, through flexible material's deformation, sealed effect is better, more can improve the inflation efficiency of charging connector.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembly diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is an enlarged schematic view at a in fig. 2.

The attached drawings indicate the following:

10. inflation tube body 11, connecting foot 20 and air cap

21. Connecting rib 22, collar 30 and shell

31. Anti-reverse step 32, air outlet 33 and air inlet cavity

40. Movable core 41, rod seat 42, core rod

43. The club head 44, the limit ring 45 and the limit ring

46. Limiting groove 47, air guide inclined plane 50 and flexible valve cap

51. Flexible valve cap 52, sealing ring 60, return spring

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 4, the one-way inflation tube comprises an inflation tube body 10, a one-way inflation nozzle is arranged at the air inlet end of the inflation tube body 10, and a connecting pin 11 for connecting with a product to be inflated is arranged at the air outlet end of the inflation tube body 10. The shell 30 of the one-way charging connector is embedded in the air inlet end of the charging tube body 10 and is tightly matched and connected with the inner wall surface of the charging tube body 10. The air inlet end of gas tube body 10 still is equipped with the gas cap 20 that is used for covering one-way charging connector, one side of gas cap 20 is equipped with splice bar 21, the one end of splice bar 21 is equipped with the lantern ring 22, the lantern ring 22 cover is located outside the gas tube body 10.

One-way charging connector is including activity core 40, flexible valve cap 50 and cylindrical housing 30, the inside both ends of casing 30 are equipped with air inlet chamber 33 and gas outlet 32 respectively, narrow loudspeaker form design in the gas outlet 32 is outer wide, just air inlet chamber 33 and gas outlet 32 communicate each other and form inlet channel. The movable core 40 has a core rod 42, two ends of the core rod 42 are respectively provided with a rod seat 41 and a rod head 43, the rod seat 41 is cross-shaped, and the rod seat 41 and the rod head 43 are respectively located in the air inlet cavity 33 and the air outlet 32. Flexible bonnet 50 is equipped with to club head 43 overcoat, the tip of club head 43 is equipped with radial outside protruding bulge loop 45, the external diameter of bulge loop 45 is less than the width of the narrowest department of gas outlet 32, flexible bonnet 50 is equipped with the storage tank that corresponds with bulge loop 45, the storage tank has elasticity opening 51, the width of elasticity opening 51 is less than the width of bulge loop 45, flexible bonnet 50 passes through bulge loop 45 card and installs on club head 43 in the storage tank. The core rod 42 is sleeved with a return spring 60 which enables the flexible valve cap 50 to always have the tendency of blocking the air outlet 32, one end of the return spring 60 is abutted against the inner side of the air outlet 32, the other end of the return spring is abutted against the rod seat 41, and the rod seat 41 is provided with a notch which enables the air inlet cavities 33 at the two sides of the rod seat 41 to be communicated. The flexible bonnet 50 is provided with an outwardly extending sealing ring 52 around the periphery of the resilient opening 51.

Specifically, the club head 43 is provided with a limiting ring 44 spaced from the convex ring 45, the outer diameter of the limiting ring 44 is smaller than the width of the narrowest part of the air outlet 32, an annular limiting groove 46 is formed between the limiting ring 44 and the convex ring 45, and the width of the limiting groove 46 is matched with the thickness of the elastic opening 51 of the flexible bonnet 50. One side of the limiting ring 44, which is far away from the convex ring 45, is provided with a tapered air guide inclined plane 47, and by arranging the air guide inclined plane 47, air can be blown out to the periphery of the air outlet 32 along the air guide inclined plane 47 during inflation, so that the condition that air flow is directly blown to the flexible bonnet 50 is avoided, and the flexible bonnet 50 is prevented from being blown down.

The outer surface of the shell 30 is provided with a plurality of annular anti-reverse steps 31, and the anti-reverse steps 31 face to the air inlet direction of the air inlet channel.

The utility model discloses the assembly process as follows:

firstly, the return spring 60 is sleeved outside the core rod 42 from the rod head 43 of the movable core 40, then the movable core 40 and the return spring 60 are installed in the air inlet cavity 33 of the shell 30, then the rod seat 41 of the movable core 40 is pushed, the rod head 43 extends out of the air outlet 32, and finally the flexible valve cap 50 is sleeved on the rod head 43 of the movable core 40, so that the assembly of the charging connector can be completed. The utility model discloses an during one-way gas tube equipment, earlier overlap lantern ring 22 in the gas tube body 10 outside, the one-way charging connector that will accomplish the equipment again fills in the inlet end of gas tube body 10 to make the inlet end inflation of gas tube body 10, make lantern ring 22 only can move about between inlet end and connection foot 11, prevent moving back step 31 and can make casing 30 fill in and be difficult for withdrawing from behind the gas tube body 10.

When inflation is required, gas enters from the gas inlet cavity 33, the rod head 43 of the movable core 40 moves towards the gas outlet 32 against the elastic force of the return spring, so that the gas passes through the gas outlet, and when the inflation is stopped, the rod head 43 of the movable core 40 is blocked at the gas outlet 32 under the elastic force of the return spring, and the sealing ring 52 is attached to the surface of the gas outlet 32, so that the gas cannot flow out through the gas outlet 32.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an one-way charging connector, a serial communication port, including activity core and cylindrical casing, the inside both ends of casing are equipped with air inlet chamber and gas outlet respectively, the gas outlet is outer wide interior narrow design, just air inlet chamber and the mutual intercommunication of gas outlet form inlet channel, the activity core has the core bar, the both ends of core bar are equipped with pole socket and pole head respectively, the pole socket is located the air inlet chamber, the pole head is worn out the air inlet chamber and is stretched in the gas outlet, the pole head overcoat is equipped with flexible valve cap, the core bar overcoat is equipped with and makes flexible valve cap have the reset spring who plugs up the trend of gas outlet all the time, reset spring's one end supports in the inboard of gas outlet, and the other end supports on the pole socket, the pole socket is equipped with the notch that makes the air.

2. A one-way inflation nozzle according to claim 1, wherein the end of the stem head is provided with a protruding ring protruding radially outward, the outer diameter of the protruding ring is smaller than the width of the narrowest portion of the air outlet, the flexible bonnet is provided with a receiving groove corresponding to the protruding ring, the receiving groove has an elastic opening, the width of the elastic opening is smaller than the width of the protruding ring, and the flexible bonnet is mounted on the stem head by the protruding ring being clamped in the receiving groove.

3. A one-way inflation nozzle according to claim 2, wherein the flexible valve cap is provided with an outwardly extending sealing ring around the periphery of the resilient opening.

4. The one-way inflation nozzle according to claim 2, wherein the rod head is provided with a limiting ring spaced from the protruding ring, the outer diameter of the limiting ring is smaller than the width of the narrowest part of the air outlet, an annular limiting groove is formed between the limiting ring and the protruding ring, and the width of the limiting groove is matched with the thickness of the elastic opening of the flexible valve cap.

5. The one-way inflation nozzle according to claim 4, wherein a tapered air guide inclined surface is provided on a side of the limiting ring away from the convex ring.

6. A one-way inflation nozzle according to claim 1, wherein said stem base is cross-shaped.

7. A one-way charging connector as claimed in claim 1, wherein the outer surface of the housing is provided with a plurality of annular anti-reverse steps, and the anti-reverse steps are all towards the air inlet direction of the air inlet passage.

8. A one-way inflation tube, which comprises an inflation tube body and is characterized in that the air inlet end of the inflation tube body is provided with the one-way inflation nozzle of any one of the claims 1-7, and the air outlet end of the inflation tube body is provided with a connecting foot for connecting with a product to be inflated.

9. The one-way inflation tube according to claim 8, wherein the housing of the one-way inflation nozzle is embedded in the air inlet end of the inflation tube body and is in tight fit connection with the inner wall surface of the inflation tube body.

10. The unidirectional inflating tube of claim 8, further comprising an inflating cap for covering the unidirectional inflating nozzle, wherein a connecting rib is arranged on one side of the inflating cap, a sleeve ring is arranged at one end of the connecting rib, and the sleeve ring is sleeved outside the inflating tube body.