CN223035938U - Anti-torsion inflatable connector with sealing function - Google Patents

Abstract

An anti-torsion inflatable connector with a sealing function relates to the field of connectors. The anti-torsion inflation connector with the sealing function comprises a connector body and an inflation core penetrating through and in sealing connection with the connector body, wherein the inflation core is configured to be axially limited and rotatably connected with the connector body around an axis, and the connector body is configured to be connected with an inflation valve through threads so that the inflation core props up against a valve core of the inflation valve. According to the anti-torsion inflation connector with the sealing function, the inflation core is limited in the axial direction and can pass through circumferentially in a rotating mode and is connected to the connector body in a sealing mode, the connector body can be guaranteed to be connected to the inflation valve through threads, so that the inflation pipe connected with the inflation core cannot be twisted when the inflation core pushes the valve core of the inflation valve to inflate, and the inflation is convenient while the air tightness is guaranteed.

Description

Anti-torsion inflatable connector with sealing function

Technical Field

The application relates to the field of connectors, in particular to an anti-torsion inflatable connector with a sealing function.

Background

Various sensors and optical parts are arranged in an optical cavity of the photoelectric equipment, and in order to avoid the surface fogging, mildew and corrosion of the optical parts and improve the service life of the internal sensor in the use process of the photoelectric equipment, the optical cavity in the photoelectric equipment needs to be sealed and designed, and meanwhile, nitrogen filling maintenance is carried out regularly.

The inflation port of the optical cavity in the photoelectric equipment is generally a spring type inflation valve, when nitrogen is inflated, the thread of the inflation connector and the thread of the inflation valve are rotationally connected so as to jack the valve core of the inflation valve, and gas can enter the optical cavity through the inflation connector and the inflation valve. In the process of rotationally connecting the inflation connector with the inflation valve, the inflation tube connected with the tail part of the inflation connector can be twisted, and the inflation valve is very inconvenient to use.

Disclosure of utility model

The application aims to provide an anti-torsion inflation connector with a sealing function, which can ensure that an inflation pipe connected with an inflation core cannot be twisted when an inflation core is connected with the inflation valve through threads so that the inflation core props up a valve core of the inflation valve for inflation, thereby ensuring the air tightness and simultaneously facilitating inflation.

The application is realized in the following way:

The application provides an anti-torsion air inflation connector with a sealing function, which comprises a connector body and an air inflation core penetrating through and in sealing connection with the connector body, wherein the air inflation core is configured to be connected to the connector body in an axial limiting manner and can rotate around an axis, and the connector body is configured to be connected to an air inflation valve through threads so that the air inflation core props up against a valve core of the air inflation valve.

In some alternative embodiments, the inflatable core has inflation holes extending through both ends thereof, and the central outer wall of the inflatable core is raised to form an annular boss.

In some alternative embodiments, the connector body includes a threaded connector and a nut that can be respectively sleeved on the inflatable core, the threaded connector and the nut being threadably connected and enclosing to form a receiving cavity that receives the boss.

In some alternative embodiments, a first sealing ring is arranged between the side of the boss away from the inflation valve and the inner wall of the nut.

In some alternative embodiments, the boss and/or the inner wall of the nut are provided with a first groove for receiving a first seal ring.

In some alternative embodiments, a second sealing ring is sleeved on one end of the threaded joint far away from the nut, and the joint body is connected to the inflation valve through threads so that the second sealing ring presses against the inner wall of the inflation valve.

In some alternative embodiments, the threaded joint is provided with a second groove for receiving a second seal ring.

In some alternative embodiments, a third seal ring is provided between the threaded joint and the nut.

In some alternative embodiments, the threaded joint and/or the nut are provided with a third groove for receiving a third sealing ring.

In some alternative embodiments, the outer wall of the threaded joint and/or nut is provided with V-shaped grooves arranged at circumferentially spaced intervals.

The anti-torsion inflation connector with the sealing function has the beneficial effects that the anti-torsion inflation connector with the sealing function comprises the connector body and the inflation core which penetrates through and is in sealing connection with the connector body, the inflation core is configured to be axially limited and can be rotationally connected with the connector body around an axis, and the connector body is configured to be connected with the inflation valve through threads so that the inflation core can jack the valve core of the inflation valve. According to the anti-torsion inflation connector with the sealing function, the inflation core is limited in the axial direction and can pass through circumferentially in a rotating mode and is connected to the connector body in a sealing mode, the connector body can be guaranteed to be connected to the inflation valve through threads, so that the inflation pipe connected with the inflation core cannot be twisted when the inflation core pushes the valve core of the inflation valve to inflate, and the inflation is convenient while the air tightness is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application 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 structural diagram of an anti-torsion inflatable joint with a sealing function according to an embodiment of the present application;

Fig. 2 is a schematic cross-sectional structure diagram of an anti-torsion inflatable joint with a sealing function according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of an inflatable core in an anti-torsion inflatable connector with a sealing function according to an embodiment of the present application;

fig. 4 is a schematic structural view of a threaded joint in an anti-torsion air-filled joint with a sealing function according to an embodiment of the present application;

Fig. 5 is a schematic structural diagram of a nut in an anti-torsion air-filled joint with a sealing function according to an embodiment of the present application.

In the figure, 100 parts of a joint body, 110 parts of a threaded joint, 111 parts of a first external thread, 112 parts of a second external thread, 113 parts of a convex seat, 120 parts of a nut, 121 parts of an internal thread, 122 parts of a pressing part, 123 parts of an annular chamfer angle, 130 parts of a containing cavity, 140 parts of a second sealing ring, 150 parts of a second groove, 160 parts of a third sealing ring, 170 parts of a third groove, 180 parts of a first V-shaped groove, 190 parts of a second V-shaped groove, 200 parts of an inflatable core, 210 parts of an inflatable hole, 220 parts of a boss, 230 parts of a first groove, 240 parts of a first sealing ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application 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 application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that like reference numerals and letters refer to 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 application, 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 those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. 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 application, 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, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The features and properties of the anti-twist pneumatic connector with sealing function of the present application are described in further detail below with reference to examples.

As shown in fig. 1, 2, 3, 4 and 5, the embodiment of the present application provides an anti-torsion inflation connector with a sealing function, which comprises a connector body 100 and an inflation core 200, wherein the inflation core 200 penetrates through and is in sealing connection with the connector body 100, the inflation core 200 is configured to be axially limited and can be rotatably connected with the connector body 100 around an axis, and the connector body 100 is configured to be in sealing connection with an inflation valve through threads so that the inflation core 200 props up against a valve core of the inflation valve;

The inflation core 200 has an inflation hole 210 penetrating through two ends of the inflation core 200, an annular boss 220 is formed by protruding the middle outer wall of the inflation core 200, an annular first groove 230 extending along the circumferential direction of the boss 220 is formed on one side of the boss 220, a first sealing ring 240 is arranged in the first groove 230, the joint body 100 comprises a threaded joint 110 and a nut 120, the inflation core 200 rotatably penetrates through the threaded joint 110 and the nut 120, one end of the threaded joint 110 abuts against one side of the boss 220 away from the first groove 230, a first external thread 111 for being in threaded connection with an inflation valve is arranged at the other end of the threaded joint 110, an annular second groove 150 extending along the circumferential direction is formed at one end of the threaded joint 110, a second sealing ring 140 is arranged in the second groove 150, when the threaded joint 110 is in threaded connection with the inflation valve through the first external thread 111, the second sealing ring 140 is in sealing fit with the inner wall of the inflation valve, and the inflation core 200 penetrates through one end of the threaded joint 110 to push the inflation valve, in this embodiment, the middle of the threaded joint 110 protrudes to form an annular boss 113, the first external thread 111 and the second groove 150 is in threaded connection with the other end 113 abuts against the first boss 112.

The nut 120 is sleeved on the outer wall of the boss 220 and is connected with the second external thread 112 of the threaded joint 110, which is used for propping against the outer wall of one end of the boss 220, the inner wall of one end of the nut 120, which is far away from the threaded joint 110, protrudes inwards to form an annular propping part 122, which is propped against the outer wall of the inflatable core 200, the propping part 122 is propped against the side wall of one side, which is provided with a first groove 230, of the boss 220 to be in sealing fit with the first sealing ring 240, an annular accommodating cavity 130 for accommodating the boss 220 is formed by encircling between the threaded joint 110 and the nut 120, a third sealing ring 160 is arranged between the threaded joint 110 and the nut 120, a third groove 170 for accommodating the third sealing ring 160 is formed on the outer wall of the threaded joint 110, and an annular chamfer 123 which is in sealing fit with the third sealing ring 160 is formed on the inner wall of one end of the nut 120, which is close to the threaded joint 110. The outer wall of the boss 113 of the screw joint 110 and the outer wall of the nut 120 are provided with first V-shaped grooves 180 and second V-shaped grooves 190, respectively, which are arranged at intervals in the circumferential direction. In this embodiment, the depths of the first groove 230, the second groove 150 and the third groove 170 are 1mm, and the diameters of the first sealing ring 240, the second sealing ring 140 and the third sealing ring 160 are selected to be 2mm, so that when the sealing rings are extruded, a sufficient amount of movement is provided,

When the anti-torsion air inflation connector with the sealing function is assembled, the threaded connector 110 is sleeved at one end of the air inflation core 200 and then moves, one end, provided with the second external thread 112, of the outer wall of the threaded connector 110 is abutted against one side, away from the first groove 230, of the boss 220 in the middle of the air inflation core 200, then the first sealing ring 240 is clamped into the first groove 230 of the boss 220, the third sealing ring 160 is clamped into the third groove 170 of the outer wall of the threaded connector 110, the nut 120 is sleeved at the other end of the air inflation core 200 and then moves, one end, provided with the internal thread 121, of the nut 120 is moved to the outer side of the boss 220, then the nut 120 is rotated to enable the nut 120 to be in threaded connection with the second external thread 112, provided with the second external thread 112, which is abutted against one end of the boss 220, of the nut 120, through the internal thread 121, to enable the abutting portion 122 formed by the protrusion of the other end of the nut 120 to abut against the side wall of the boss 220, and enable the threaded connector 110 and the nut 120 to be clamped into the accommodating cavity 130 for accommodating the boss 220, at the moment, the first sealing ring 240 in the first groove 230 is clamped into the tight fit with the abutting portion 122, then the nut 120 is clamped with the abutting portion, and finally, the abutting joint 170 is clamped against the inner wall of the third sealing ring 170, namely, and the inner sealing ring 160 is provided with the second sealing ring 120, and the second sealing ring 120 is pressed against the inner end, and is far from the inner end of the nut 120, and has the sealing groove 120, and is abutted against the end of the sealing joint.

When the anti-torsion inflation connector with the sealing function is used, a user holds the connector body 100 by hand, connects an inflation tube to the inflation core 200, which is far away from the air inlet end of the threaded connector 110, then rotationally connects the threaded connector 110 of the connector body 100 to the internal thread of an inflation valve at the inflation port of the optical cavity in the optoelectronic device through the first external thread 111, the connector body 100 formed by connecting the threaded connector 110 and the nut 120 rotates in the installation process, and the inflation core 200 which is connected with the inflation tube and pushes up the valve core of the inflation valve rotates relatively to the connector body 100 formed by connecting the threaded connector 110 and the nut 120, so that the condition that the inflation tube is twisted when the inflation connector is installed is effectively avoided.

Meanwhile, the first sealing ring 240, the third sealing ring 160 and the second sealing ring 140 are respectively connected in a sealing manner between the air inflation core 200 and the nut 120, between the threaded joint 110 and the nut 120 and between the threaded joint 110 and the inflation valve, and the first sealing ring 240, the third sealing ring 160 and the second sealing ring 140 are compressed and deformed to ensure tightness when in inflation, so that the whole air inflation joint has a sealing function to realize sealing and pressure maintaining detection of an optical cavity.

The inner wall of one end of the nut 120, which is close to the threaded joint 110, is provided with an annular chamfer 123 in sealing fit with the third sealing ring 160, the annular chamfer 123 can be matched with the third groove 170 to press and fix the third sealing ring 160 to realize stable sealing connection between the nut 120 and the threaded joint 110, the outer walls of the threaded joint 110 and the nut 120 are respectively provided with a first V-shaped groove 180 and a second V-shaped groove 190 which are arranged at intervals along the circumferential direction, and the friction force can be improved to avoid slipping when the threaded joint 110 and the nut 120 are rotated by a user.

In other alternative embodiments, the outer diameter of the air inlet of the air core 200 is in interference fit with the inner diameter of the air inflation tube, so that the air inflation tube can be prevented from loosening during operation.

In other alternative embodiments, the outer diameters of the first groove 230, the second groove 150 and the third groove 170 are slightly larger than the outer diameters of the corresponding first sealing ring 240, the second sealing ring 140 and the third sealing ring 160, and the inner diameters of the first groove 230, the second groove 150 and the third groove 170 are slightly smaller than the inner diameters of the corresponding first sealing ring 240, the second sealing ring 140 and the third sealing ring 160 to ensure that the sealing function is realized.

In other alternative embodiments, the inner and outer diameters of the air outlet of the air filling core 200 are consistent with the inner and outer diameters of the valve core of the air filling valve of the optical cavity, so that air can be filled conveniently.

In other alternative embodiments, the air outlet end of the air core 200 extends beyond the end of the threaded joint 110 provided with the first external thread 111, so as to ensure that the air core 200 effectively pushes up against the valve core of the air valve of the optical cavity.

In other alternative embodiments, the threaded joint 110 fits over the inflatable core 200 with a small clearance fit.

In other alternative embodiments, the length of the first external thread 111 of the threaded joint 110 is slightly less than the depth of the internal thread of the optical cavity inflation valve.

In other alternative embodiments, the abutment 122 of the nut 120 is engaged with the inflatable core 200 with a small clearance therebetween.

In other alternative embodiments, the nut 120 fits over the boss 220 of the inflatable core 200 with a small clearance fit.

The embodiments described above are some, but not all embodiments of the application. The detailed description of the embodiments of the application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Claims (10)

1. The anti-torsion inflation connector with the sealing function is characterized by comprising a connector body and an inflation core penetrating through and in sealing connection with the connector body, wherein the inflation core is configured to be connected with the connector body in an axial limiting mode and can rotate around an axis, and the connector body is configured to be connected with an inflation valve through threads so that the inflation core can prop up a valve core of the inflation valve.

2. The anti-twist air-filled joint with sealing function according to claim 1, wherein the air-filled core is provided with air-filled holes penetrating through two ends of the air-filled core, and the outer wall of the middle part of the air-filled core is protruded to form an annular boss.

3. The anti-twist inflatable connector with a sealing function according to claim 2, wherein the connector body comprises a threaded connector and a nut which can be respectively sleeved on the inflatable core, and the threaded connector and the nut are connected through threads and are enclosed to form a containing cavity for containing the boss.

4. The anti-twist inflation connector with a sealing function according to claim 3, wherein a first sealing ring is arranged between one side of the boss away from the inflation valve and the inner wall of the nut.

5. The anti-twist pneumatic connector with sealing function according to claim 4, wherein the boss and/or the inner wall of the nut is provided with a first groove for accommodating the first sealing ring.

6. The anti-torsion inflation connector with a sealing function according to claim 3, wherein a second sealing ring is sleeved at one end of the threaded connector, which is far away from the nut, and the connector body is in threaded connection with the inflation valve, so that the second sealing ring is pressed against the inner wall of the inflation valve.

7. The anti-twist pneumatic connector with sealing function according to claim 6, wherein the threaded connector is provided with a second groove for receiving the second sealing ring.

8. A torsion-proof air-filled joint with sealing function according to claim 3, wherein a third sealing ring is provided between the threaded joint and the nut.

9. The anti-twist pneumatic joint with sealing function according to claim 8, characterized in that the threaded joint and/or the nut is provided with a third groove for receiving the third sealing ring.

10. A torsion-proof air-filled joint with sealing function according to claim 3, wherein the outer wall of the threaded joint and/or the nut is provided with V-shaped grooves arranged at intervals in the circumferential direction.