CN221003945U

CN221003945U - Charging connector and charging system

Info

Publication number: CN221003945U
Application number: CN202322669412.1U
Authority: CN
Inventors: 刘志良; 王垚
Original assignee: Beijing Intelligent Tuowei Technology Research Institute Co ltd
Current assignee: Beijing Intelligent Tuowei Technology Research Institute Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-24
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to the technical field of air charging nozzles, in particular to an air charging nozzle and an air charging system, comprising a connector, a core and a sealing gasket; the front end of the connector is provided with a first threaded hole, the rear end of the connector is provided with a second threaded hole, and the first threaded hole is communicated with the second threaded hole through a through hole; the core comprises a stud part and a top part which are connected, wherein an external thread is arranged on the outer side wall of the stud part, a first air passage is arranged in the stud part, a plurality of air vents communicated with the first air passage are arranged on the side part of the top part, the stud part is connected with the first threaded hole through threads, and the top part is positioned on the front side of the stud part; the sealing gasket is arranged on the front side and/or the rear side of the stud part; the air tightness of the connected inflated container can be ensured, and the inflation pressure value is improved.

Description

Charging connector and charging system

Technical Field

The utility model relates to the technical field of air charging nozzles, in particular to an air charging nozzle and an air charging system.

Background

The current charging nozzles in the market are various in variety and have certain use functions, the charging nozzles are commonly inserted into the charging openings of the charged containers, and gas is injected into the charged containers by utilizing the pressure of an air compressor or an air source.

Although the charging nozzles have certain use effect, the connection mode is generally that the charging nozzles are manually pressed to be connected with the charging port of the charged container, or the charging nozzles are locked after being manually pressed; in the two modes, the former is too dependent on manpower and is very laborious, and the latter is not reliable enough for high-pressure gas inflation connection; further, the inflating nozzle can be screwed on the inflating seat of the inflated container, but the inflated gas is easily discharged to leak air.

Disclosure of utility model

The utility model aims to provide an air charging connector, which can easily connect the air charging connector with an air charging seat reliably, can ensure the air tightness of a connected inflated container and improve the air charging pressure value.

Another object of the present utility model is to provide an inflation system, which can easily connect an inflation nozzle with an inflation seat of a inflated container, improve inflation pressure value, and ensure air tightness of the inflated container after connection.

The technical scheme of the utility model is realized as follows:

An air charging nozzle comprises a connector, a core and a sealing gasket;

The front end of the connector is provided with a first threaded hole, the rear end of the connector is provided with a second threaded hole, and the first threaded hole is communicated with the second threaded hole through a through hole;

The core comprises a stud part and a top part which are connected, wherein an external thread is arranged on the outer side wall of the stud part, a first air passage is arranged in the stud part, a plurality of air vents communicated with the first air passage are arranged on the side part of the top part, the stud part is connected with the first threaded hole through threads, and the top part is positioned on the front side of the stud part;

The sealing gasket is mounted on the front side and/or the rear side of the stud part.

Further, still include the quick-operation joint socket, the second air flue is offered along its axial run-through to the quick-operation joint socket, the front end outside of quick-operation joint socket sets up the external screw thread, just the front end of quick-operation joint socket with the second screw hole passes through threaded connection, the rear end of quick-operation joint socket is provided with the grafting mouth that is used for grafting quick-operation joint, first air flue with second air flue intercommunication.

Further, an annular groove is formed in the outer side of the front end of the stud portion, and the annular groove and the rear side of the stud portion are respectively provided with the sealing gasket.

Further, the top is flat, and the lateral surface of top includes first plane, first cambered surface, second plane and the second cambered surface that head and the tail connect gradually, first plane with the second plane is parallel to each other, first cambered surface with the second cambered surface is symmetrical each other.

Further, the portable electronic device further comprises a core key, the core key comprises a handheld part and a clamping head part which are integrally connected, a clamping groove used for clamping the top part is formed in the end face of the clamping head part, and the clamping groove comprises a first inner wall, a second inner wall and a bottom wall.

Further, the clamping groove is flat, the first inner wall, the second inner wall and the bottom wall are of plane structures, the first inner wall and the second inner wall are parallel to each other, the interval between the first inner wall and the second inner wall is larger than the interval between the first plane and the second plane, and the bottom wall is used for being abutted to the end face of the top head.

Further, two air vents are symmetrically formed in the first plane and the second plane on the top head.

Further, the outer surface of the connector is provided with an anti-slip structure.

Further, the anti-skid structure is a knurled reticulation.

The inflation system comprises the inflation nozzle, an inflated container, an inflation seat, a quick connector and inflation equipment;

The inside of the inflatable seat is provided with a third air passage, the inflatable seat is arranged at the inflatable opening of the inflated container, the inflatable opening of the inflated container is communicated with one end of the inflatable seat, the other end of the inflatable seat is provided with a stud joint, the stud joint is in threaded connection with the first threaded hole, and the first air passage is communicated with the third air passage;

The quick connector is inserted into the insertion port at the rear end of the quick connector socket, and the air charging equipment is communicated with the rear end of the quick connector through an air pipe.

Compared with the prior art, the utility model has the beneficial effects that:

According to the application, the two ends of the connecting body are respectively provided with the first threaded hole and the second threaded hole which are communicated, the first threaded hole is connected with the core through threads, the first threaded hole is reliably connected with the inflatable seat of the inflated container through threads, the second threaded hole is connected with the quick connector socket, the quick connector socket is convenient to connect with an air pipe, and the convenience of use is not influenced by the length of the pipe; when the quick connector on the quick connector socket is pulled out, the gas leakage of the filled container can be avoided by means of the sealing mode of the quick connector socket, the air tightness of the filled container is guaranteed, and the inflation pressure value is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of an air nozzle (core key is not shown) of the present utility model;

FIG. 2 is a schematic view of the structure of the cartridge and gasket of the present utility model mounted in a first threaded hole;

FIG. 3 is a schematic view of a connector according to the present utility model;

FIG. 4 is a schematic structural view of a cartridge of the present utility model;

FIG. 5 is a schematic cross-sectional view of a top head of the present utility model;

FIG. 6 is a schematic view of the seal gasket of the present utility model;

FIG. 7 is a front view of a key of the present utility model;

FIG. 8 is a top view of a key of the present utility model;

FIG. 9 is a side view of a core key of the present utility model;

FIG. 10 is a schematic view of the construction of a quick connector receptacle for inserting a quick connector into an inflation nozzle in accordance with the present utility model;

FIG. 11 is a schematic view of the structure of the inflation nozzle of the present utility model screwed into the inflation seat of the inflated container.

In the figure:

1-linker; 101-a first threaded hole; 102-a second threaded hole; 103-through holes;

2-quick connector receptacle; 201-a second airway; 202-an interface;

3-core; 301-a stud portion; 302-top head; 3021-a first plane; 3022-a first cambered surface; 3023-a second plane; 3024-a second cambered surface; 303-first airway; 304-vent; 305-ring groove;

4-a sealing gasket;

5-core key; 501-a hand-held part; 502-card header; 503-clamping groove; 5031-a first inner wall; 5032-a second inner wall; 504-line holes;

6, an inflatable seat; 601-stud joint; 7-quick connector.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

As shown in fig. 1 to 9, the present embodiment provides an air charging nozzle, which includes a connector 1, a core 3 and a sealing gasket 4. In fig. 1, the axial direction of the charging nozzle is defined as the front-rear direction.

The front end of the connector 1 is provided with a first threaded hole 101, the rear end of the connector 1 is provided with a second threaded hole 102, and the first threaded hole 101 and the second threaded hole 102 are mutually communicated through a through hole 103.

The core 3 is in a nail shape integrally, the core 3 comprises a stud portion 301 and a top head portion 302 which are connected, one end of the stud portion 301 is larger in size, one end of the top head portion 302 is smaller in size, an external thread is arranged on the outer side wall of the stud portion 301, and the external thread of the stud portion 301 is matched with the internal thread of the first threaded hole 101. The inside of the stud portion 301 is provided with a first air passage 303, and a plurality of air vents 304 communicating with the first air passage 303 are provided at the side portion of the top portion 302. The core 3 is installed in the first threaded hole 101, the core 3 is connected with the first threaded hole 101 through the stud portion 301 through threads, and after the core 3 is installed, the top head portion 302 is located at the front side of the stud portion 301, and because one end of the top head portion 302 is smaller in size, a ventilation gap exists between the top head portion 302 and the inner wall of the first threaded hole 101.

The sealing gasket 4 is mounted on the front side and/or the rear side of the stud portion 301.

Preferably, an annular groove 305 is formed on the outer side of the front end of the stud portion 301, and the sealing gasket 4 is mounted on the annular groove 305 and the rear side of the stud portion 301.

As shown in fig. 5, the top 302 is flat, and the outer side of the top 302 includes a first plane 3021, a first arc surface 3022, a second plane 3023, and a second arc surface 3024 that are sequentially connected end to end, where the first plane 3021 and the second plane 3023 are parallel to each other, and the first arc surface 3022 and the second arc surface 3024 are symmetrical to each other. Preferably, the first curved surface 3022 and the second curved surface 3024 are located on the same circle.

The charging connector further comprises a quick connector socket 2, the quick connector socket 2 is axially penetrated and provided with a second air passage 201, the outer side of the front end of the quick connector socket 2 is provided with external threads, the front end of the quick connector socket 2 is installed in a second threaded hole 102 at the rear end of the connector 1, the front end of the quick connector socket 2 is in threaded connection with the second threaded hole 102, the rear end of the quick connector socket 2 is provided with an inserting port 202 for inserting a quick connector 7, and the first air passage 303 is communicated with the second air passage 201. In actual use, the inflating device (air source) can be communicated with the quick connector socket 2 in a sealing way through the quick connector 7 of the inflating nozzle, and the connector 1 of the inflating nozzle is communicated with the inflating seat 6 of the inflated container in a sealing way, so that the inflated container is inflated.

Still include core key 5, core key 5 belongs to an assembly tool to core 3, core key 5 includes handheld portion 501 and chuck portion 502 of an organic whole connection, the terminal surface of chuck portion 502 has been seted up and is used for the joint the draw-in groove 503 of top portion 302, draw-in groove 503 includes first inner wall 5031, second inner wall 5032 and diapire. The holding part 501 is flat and is convenient to hold. The hand-held portion 501 is also provided with a wire hole 504 for facilitating binding of a wire or installation on a key ring. The core key 5 is in the shape of a key as a whole.

Preferably, the clamping groove 503 is flat, the first inner wall 5031, the second inner wall 5032 and the bottom wall are all planar structures, the first inner wall 5031 and the second inner wall 5032 are parallel to each other and have a larger distance than the first plane 3021 and the second plane 3023, and the bottom wall is used for abutting against the end surface of the top portion 302. When the core key 5 is used, the top head 302 of the core 3 is positioned in the clamping groove 503 and clamped with each other, the first plane 3021 of the core 3 corresponds to the first inner wall 5031 of the clamping groove 503, the second plane 3023 of the core 3 corresponds to the second inner wall 5032 of the clamping groove 503, and the bottom wall of the core key 5 abuts against the end face of the top head 302 of the core 3; the hand-held portion 501 is screwed by hand, and then the external thread of the stud portion 301 is screwed into the internal thread of the first threaded hole 101, so that threaded connection is achieved, and a sealing gasket is arranged at the rear side of the stud portion 301 until the sealing gasket at the rear side of the stud portion 301 abuts against the deepest part in the first threaded hole 101, so that the sealing gasket abuts against the bottom wall of the first threaded hole 101, and meanwhile, the sealing gasket also plays a role in buffering and protecting.

As for the design of the ventilation openings 304 on the core 3, two ventilation openings 304 are preferably symmetrically formed at the first plane 3021 and the second plane 3023 on the top head 302, so that ventilation is good and structural strength is ensured.

Because in actual use, the connecting body 1 is required to be in threaded connection with the inflating seat 6 of the inflated container, an anti-skid structure is arranged on the outer surface of the connecting body 1, so that the anti-skid effect is improved, and the inflating nozzle can be screwed conveniently. Preferably, the anti-slip structure is a knurled texture.

Preferably, the hole depth of the first threaded hole 101 is 10-15cm, the hole depth of the second threaded hole 102 is 10-15cm, the diameter of the connecting body 1 is 13-20cm, the length of the core 3 is 7-10cm, the length of the external thread part on the stud part 301 is 3-5cm, and the core 3 can be made of copper, such as brass; the connector 1 may be made of aluminum, and the sealing gasket 4 may be made of rubber.

More preferably, the hole depth of the first threaded hole 101 is 14cm, the hole depth of the second threaded hole 102 is 12cm, the length of the connector 1 is 29cm, the diameter of the connector 1 is 15cm, the length of the core 3 is 9.5cm, the distance between the first plane 3021 and the second plane 3023 of the top head 302 is 2.8cm, the external thread of the stud portion 301 is 8V1 thread, and the length of the external thread portion on the stud portion 301 is 4cm. The sealing gasket 4 had an inner diameter of 4cm, an outer diameter of 7cm and a thickness of 3cm. The space between the first inner wall 5031 and the second inner wall 5032 in the clamping groove 503 of the core key 5 is 3cm, and the depth of the clamping groove 503 is 3cm.

Example 2

Referring to fig. 10 and 11, the present embodiment provides an inflation system including the inflation nozzle described in embodiment 1, and further including an inflated container, an inflation seat 6, a quick connector 7, and an inflation device.

The inside of the inflation seat 6 is provided with a third air passage, the inflation seat 6 is arranged at the inflation inlet of the inflated container, the inflation inlet of the inflated container is communicated with one end of the joint of the inflation seat 6, the other end of the inflation seat 6 is provided with a stud joint 601, the stud joint 601 is in threaded connection with a first threaded hole 101 of the inflation nozzle, and the first air passage 303 is communicated with the third air passage. The inflatable seat 6 is mounted at the inflatable mouth of the inflatable container in advance, so when the inflatable mouth is connected, the connector 1 needs to be screwed to connect the first threaded hole 101 with the stud joint 601 of the inflatable seat 6 through threads, the quick connector 7 is inserted into the insertion port 202 at the rear end of the quick connector socket 2 and communicated with the rear end of the quick connector 7, and the inflatable device is communicated with the rear end of the quick connector 7 through an air pipe, so that air path sealing communication between the inflatable device and the inflatable container is established.

It should be noted that: the inflatable seat 6, the quick connector socket 2 and the quick connector 7 can also adopt standard components, and the sizes of other components of the inflating nozzle can be correspondingly designed according to the model sizes of the standard components so as to meet the assembly requirements. The advantages of adopting the standard components for the inflatable seat 6, the quick connector socket 2 and the quick connector 7 are that: the production and manufacturing steps of the components are omitted, the components are directly purchased in the market, the manufacturing cost, the design cost and the processing cost are saved, the cost can be reduced as a whole, and the assembly efficiency is improved.

The technical scheme of the utility model has the beneficial effects that:

1. The whole structure is simple, the functions are easy to implement, the use is convenient, the whole is detachable, the disassembly and the assembly are convenient, and the carrying is also convenient;

2. The inflating nozzle is reliably connected with the inflating seat 6 through the internal thread, so that the inflating pressure value can be greatly improved;

3. the quick connector socket 2 of the charging connector is used for conveniently connecting the air pipe and is not influenced by the length of the air pipe;

4. When the quick connector 7 on the quick connector socket 2 is pulled out, the gas leakage of the filled container can be avoided by means of the sealing mode of the quick connector socket 2 at the rear end, and the gas tightness of the filled container is ensured.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims below, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An air charging nozzle is characterized by comprising a connecting body (1), a core (3) and a sealing gasket (4);

The front end of the connector (1) is provided with a first threaded hole (101), the rear end of the connector (1) is provided with a second threaded hole (102), and the first threaded hole (101) is communicated with the second threaded hole (102) through a through hole (103);

The core (3) comprises a stud portion (301) and a top portion (302) which are connected, an external thread is arranged on the outer side wall of the stud portion (301), a first air passage (303) is arranged in the stud portion (301), a plurality of air vents (304) communicated with the first air passage (303) are arranged on the side portion of the top portion (302), the stud portion (301) is connected with the first threaded hole (101) through threads, and the top portion (302) is located on the front side of the stud portion (301);

the sealing gasket (4) is mounted on the front side and/or the rear side of the stud part (301).

2. The charging connector according to claim 1, further comprising a quick connector socket (2), wherein the quick connector socket (2) is provided with a second air passage (201) along the axial direction of the quick connector socket (2), an external thread is arranged on the outer side of the front end of the quick connector socket (2), the front end of the quick connector socket (2) is connected with the second threaded hole (102) through threads, the rear end of the quick connector socket (2) is provided with an inserting port (202) for inserting the quick connector (7), and the first air passage (303) is communicated with the second air passage (201).

3. The charging connector according to claim 1, wherein an annular groove (305) is formed on the outer side of the front end of the stud portion (301), and the sealing gasket (4) is respectively mounted on the annular groove (305) and the rear side of the stud portion (301).

4. The charging connector according to claim 1, wherein the top portion (302) is flat, and an outer side surface of the top portion (302) includes a first plane (3021), a first cambered surface (3022), a second plane (3023) and a second cambered surface (3024) that are sequentially connected end to end, the first plane (3021) and the second plane (3023) are parallel to each other, and the first cambered surface (3022) and the second cambered surface (3024) are symmetrical to each other.

5. The charging connector according to claim 4, further comprising a core key (5), wherein the core key (5) comprises a hand-held part (501) and a chuck part (502) which are integrally connected, a clamping groove (503) for clamping the top head part (302) is formed in the end face of the chuck part (502), and the clamping groove (503) comprises a first inner wall (5031), a second inner wall (5032) and a bottom wall.

6. The charging connector according to claim 5, wherein the clamping groove (503) is flat, the first inner wall (5031), the second inner wall (5032) and the bottom wall are all in a planar structure, the first inner wall (5031) and the second inner wall (5032) are parallel to each other and have a gap larger than a distance between the first plane (3021) and the second plane (3023), and the bottom wall is used for abutting against an end face of the top head (302).

7. The charging connector according to claim 4, wherein two vents (304) are symmetrically provided at the first plane (3021) and the second plane (3023) on the top head (302).

8. An inflation nozzle according to claim 1, characterized in that the outer surface of the connecting body (1) is provided with an anti-slip structure.

9. The inflation nozzle of claim 8, wherein the non-slip feature is a knurled texture.

10. An inflation system comprising the inflation nozzle of any one of claims 1-9, further comprising an inflated container, an inflation seat (6), a quick connector (7), and an inflation device;

The inside of the inflatable seat (6) is provided with a third air passage, the inflatable seat (6) is arranged at an inflation inlet of the inflated container, the inflation inlet of the inflated container is communicated with one end of the inflatable seat (6), the other end of the inflated seat (6) is provided with a stud joint (601), the stud joint (601) is in threaded connection with the first threaded hole (101), and the first air passage (303) is communicated with the third air passage;

The quick connector (7) is inserted into an insertion port (202) at the rear end of the quick connector socket (2), and the inflation equipment is communicated with the rear end of the quick connector (7) through an air pipe.