Anti-torsion inflation connector with sealing function

Abstract

The utility model discloses an anti-torsion inflation connector with a sealing function, and relates to the field of connectors. The anti-torsion inflation connector with the sealing function comprises a connector body and an inflation core which penetrates through the connector body and is connected with the connector body in a sealed mode, the inflation core is configured to be limited in the axial direction and connected to the connector body in the mode that the inflation core can rotate around the axis, and the connector body is configured to be connected to an inflation valve through threads so that the inflation core can eject a valve element of the inflation valve open. According to the anti-torsion inflation connector with the sealing function, the inflation core is axially limited, can penetrate through the connector body in a circumferential rotating mode and is connected to the connector body in a sealed mode, and it can be guaranteed that the connector body is connected to an inflation valve through threads, so that an inflation tube connected with the inflation core cannot be twisted when the inflation core jacks a valve element of the inflation valve for inflation; air tightness is guaranteed, and meanwhile air inflation is convenient.

Description

Technical Field

[0001] This application relates to the field of connectors, and more particularly, to an anti-torsion inflatable connector with a sealing function. Background Art

[0002] Various sensors and optical components are installed inside the optical cavity of optoelectronic equipment. During the use of optoelectronic equipment, in order to prevent the surface of optical components from fogging, mildewing, and corroding, and to extend the service life of internal sensors, it is necessary to seal the optical cavity inside the optoelectronic equipment and perform nitrogen filling maintenance regularly.

[0003] The inflation ports of the optical cavities in optoelectronic equipment are generally spring-type inflation valves. When filling nitrogen, the thread of the inflation connector needs to be rotationally connected to the thread of the inflation valve to push open the valve core of the inflation valve, and then the gas can enter the inside of the optical cavity through the inflation connector and the inflation valve. During the process of rotationally connecting the inflation connector to the inflation valve, the inflation pipe connected to the tail of the inflation connector will be twisted, which is very inconvenient to use. Utility Model Content

[0004] The purpose of this application is to provide an anti-torsion inflatable connector with a sealing function, which can ensure that when the connector body is threadedly connected to the inflation valve to push open the valve core of the inflation valve, the inflation pipe connected to the inflation core will not be twisted, facilitating inflation while ensuring airtightness.

[0005] This application is implemented as follows:

[0006] This application provides an anti-torsion inflatable connector with a sealing function, which includes a connector body and an inflation core that passes through and is sealingly connected to the connector body. The inflation core is configured to be axially limited and rotatably connected to the connector body about an axis, and the connector body is configured to be threadedly connected to an inflation valve to push open the valve core of the inflation valve.

[0007] In some alternative embodiments, the inflation core has an inflation hole penetrating through both ends thereof, and a circumferential boss is formed on the outer wall of the middle part of the inflation core.

[0008] In some alternative embodiments, the connector body includes a threaded joint and a nut that can be respectively sleeved on the inflation core. The threaded joint and the nut are threadedly connected and enclose to form a receiving cavity for receiving the boss.

[0009] In some alternative embodiments, a first sealing ring is provided between the side of the boss away from the inflation valve and the inner wall of the nut.

[0010] In some alternative embodiments, a first groove for receiving the first sealing ring is provided on the boss and / or the inner wall of the nut.

[0011] In some alternative embodiments, a second sealing ring is sleeved on the end of the threaded joint away from the nut, and when the joint body is threadedly connected to the inflation valve, the second sealing ring presses against the inner wall of the inflation valve.

[0012] In some alternative embodiments, the threaded joint is provided with a second groove for accommodating the second sealing ring.

[0013] In some alternative embodiments, a third sealing ring is provided between the threaded joint and the nut.

[0014] In some alternative embodiments, the threaded joint and / or the nut are provided with a third groove for accommodating the third sealing ring.

[0015] In some alternative embodiments, the outer wall of the threaded joint and / or the nut is provided with circumferentially spaced V-shaped grooves.

[0016] The beneficial effects of the present application are as follows: The anti-torsion inflation joint with a sealing function provided by the present application includes a joint body and an inflation core that passes through and is sealingly connected to the joint body. The inflation core is configured to be axially limited and rotatably connected to the joint body about the axis. The joint body is configured to be threadedly connected to the inflation valve so that the inflation core pushes open the valve core of the inflation valve. The anti-torsion inflation joint with a sealing function provided by the present application can ensure that when the joint body is threadedly connected to the inflation valve and the inflation core pushes open the valve core of the inflation valve for inflation, the inflation pipe connected to the inflation core will not be twisted, facilitating inflation while ensuring airtightness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the anti-torsion inflation joint with a sealing function provided by the embodiment of the present application;

[0019] Figure 2 It is a schematic cross-sectional structural diagram of the anti-torsion inflation joint with a sealing function provided by the embodiment of the present application;

[0020] Figure 3 It is a schematic structural diagram of the inflation core in the anti-torsion inflation joint with a sealing function provided by the embodiment of the present application;

[0021] Figure 4Schematic structural diagram of the threaded joint in the anti-twist inflatable joint with a sealing function provided by the embodiments of the present application;

[0022] Figure 5 Schematic structural diagram of the nut in the anti-twist inflatable joint with a sealing function provided by the embodiments of the present application.

[0023] In the figure: 100, joint body; 110, threaded joint; 111, first external thread; 112, second external thread; 113, convex seat; 120, nut; 121, internal thread; 122, pressing portion; 123, annular chamfer; 130, accommodating cavity; 140, second sealing ring; 150, second groove; 160, third sealing ring; 170, third groove; 180, first V-shaped groove; 190, second V-shaped groove; 200, inflatable core; 210, inflation hole; 220, convex platform; 230, first groove; 240, first sealing ring. Detailed implementation manners

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in 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. Apparently, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application claimed, but merely represents the selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without making creative efforts fall within the scope of protection of the present application.

[0026] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this application is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0028] In addition, terms such as "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", and "joined" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0030] In the present application, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "under", and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0031] The features and performance of the anti-twist inflatable joint with a sealing function of the present application will be further described in detail below in conjunction with embodiments.

[0032] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 shown, an embodiment of the present application provides an anti-twist inflatable joint with a sealing function, which includes a joint body 100 and an inflation core 200. The inflation core 200 passes through and is sealingly connected to the joint body 100, and is configured to be axially limited and rotatably connected to the joint body 100 about an axis. The joint body 100 is configured to be sealingly connected to an inflation valve through a thread so that the inflation core 200 can push open the valve core of the inflation valve.

[0033] Among them, the inflatable core 200 has an inflation hole 210 penetrating through both ends thereof. A middle outer wall of the inflatable core 200 protrudes to form an annular boss 220. A first annular groove 230 extending along its circumferential direction is provided on one side of the boss 220, and a first sealing ring 240 is provided in the first groove 230; the joint body 100 includes a threaded joint 110 and a nut 120. The inflatable core 200 rotatably passes through the threaded joint 110 and the nut 120. One end of the threaded joint 110 presses against the side of the boss 220 away from the first groove 230, and the other end is provided with a first external thread 111 for threadedly connecting with an inflation valve. One end of the threaded joint 110 provided with the first external thread 111 is further provided with a second annular groove 150 extending along the circumferential direction, and a second sealing ring 140 is provided in the second groove 150; when the threaded joint 110 is threadedly connected 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 one end of the inflatable core 200 passing through the threaded joint 110 pushes open the valve core of the inflation valve; in this embodiment, a middle portion of the threaded joint 110 protrudes to form an annular convex seat 113. The first external thread 111 and the second groove 150 are provided at one end of the convex seat 113, and a second external thread 112 is provided on an outer wall of the other end of the convex seat 113 that presses against the boss 220.

[0034] The nut 120 is sleeved on the outer wall of the boss 220 and is connected to the second external thread 112 on the outer wall of the end of the threaded joint 110 that presses against the boss 220 through an internal thread 121. An inner wall of one end of the nut 120 away from the threaded joint 110 protrudes inward to form an annular pressing portion 122 that presses against the outer wall of the inflatable core 200. The pressing portion 122 presses against a side wall of the boss 220 provided with the first groove 230 to be in sealing fit with the first sealing ring 240. An annular accommodating cavity 130 for accommodating the boss 220 is formed by enclosing between the threaded joint 110 and the nut 120; a third sealing ring 160 is provided between the threaded joint 110 and the nut 120. A third groove 170 for accommodating the third sealing ring 160 is provided on an outer wall of the threaded joint 110, and an annular chamfer 123 for sealing fit with the third sealing ring 160 is provided on an inner wall of one end of the nut 120 close to the threaded joint 110. First V-shaped grooves 180 and second V-shaped grooves 190 are respectively provided on outer walls of the convex seat 113 of the threaded joint 110 and the outer wall of the nut 120 at circumferentially spaced intervals. In this embodiment, the depths of the first groove 230, the second groove 150, and the third groove 170 are 1 mm, and the wire diameters of the first sealing ring 240, the second sealing ring 140, and the third sealing ring 160 are selected to be 2 mm, so that there is enough movement when each sealing ring is squeezed.

[0035] When assembling the anti-twist inflation joint with a sealing function provided by the embodiments of the present application, first, the threaded joint 110 is sleeved on one end of the inflation core 200 and then moved so that one end of the outer wall of the threaded joint 110 with the second external thread 112 presses against the side of the boss 220 in the middle of the inflation core 200 away from the first groove 230. Subsequently, the first sealing ring 240 is snapped into the first groove 230 of the boss 220, and the third sealing ring 160 is sleeved in the third groove 170 on the outer wall of the threaded joint 110. Then, the nut 120 is sleeved on the other end of the inflation core 200 and moved so that the end of the nut 120 with the internal thread 121 moves to be sleeved outside the boss 220. Subsequently, the nut 120 is rotated so that the nut 120 is threadedly connected to the second external thread 112 provided on the outer wall of one end of the boss 220 pressed by the threaded joint 110 through the internal thread 121 provided on the inner wall of one end, and the pressing portion 122 formed by the protrusion of the other end of the nut 120 presses against the side wall of the boss 220 provided with the first groove 230, and the threaded joint 110 and the nut 120 enclose a receiving cavity 130 for receiving the boss 220. At this time, the first sealing ring 240 in the first groove 230 is in pressing and sealing fit with the pressing portion 122, and the third sealing ring 160 in the third groove 170 is in pressing and sealing fit with the annular chamfer 123 provided on the inner wall of the end of the nut 120 close to the threaded joint 110. Finally, the second sealing ring 140 is snapped into the second groove 150 provided on the outer wall of the end of the threaded joint 110 away from the nut 120, and the assembly operation of the anti-twist inflation joint with a sealing function is completed.

[0036] When using the anti-twist inflation joint with a sealing function provided by the embodiments of the present application, the user holds the joint body 100 by hand, connects the inflation pipe to the air inlet end of the inflation core 200 away from the threaded joint 110, and then rotatably connects the threaded joint 110 of the joint body 100 to the internal thread of the inflation valve at the inflation port of the optical cavity in the optoelectronic equipment through the first external thread 111. During the installation process, it is the joint body 100 formed by the connection of the threaded joint 110 and the nut 120 that rotates, while the inflation core 200 connected to the inflation pipe and pushing open the inflation valve core is relatively rotatable with respect to the joint body 100 formed by the connection of the threaded joint 110 and the nut 120, thus effectively avoiding the situation of the inflation pipe twisting when installing the inflation joint.

[0037] Meanwhile, the inflation core 200 and the nut 120, the threaded joint 110 and the nut 120, and the threaded joint 110 and the inflation valve are respectively sealed and connected through the first sealing ring 240, the third sealing ring 160, and the second sealing ring 140. When inflating, the first sealing ring 240, the third sealing ring 160, and the second sealing ring 140 are compressed and deformed to ensure the sealing performance, so that the entire inflation joint has a sealing function to realize the sealed pressure detection of the optical cavity.

[0038] On the inner wall of one end of the nut 120 close to the threaded joint 110, there is an annular chamfer 123 that is hermetically fitted with the third sealing ring 160. The annular chamfer 123 can cooperate with the third groove 170 to press and fix the third sealing ring 160, realizing a stable sealed connection between the nut 120 and the threaded joint 110. On the outer walls of the threaded joint 110 and the nut 120, there are respectively a first V-shaped groove 180 and a second V-shaped groove 190 arranged at intervals in the circumferential direction, which can facilitate the user to increase the friction when rotating the threaded joint 110 and the nut 120 to avoid slipping.

[0039] In other alternative embodiments, the outer diameter of the air inlet of the inflatable core 200 has an interference fit with the inner diameter of the air inlet pipe, which can prevent the air inlet pipe from becoming loose during operation.

[0040] 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, second sealing ring 140, and 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, second sealing ring 140, and third sealing ring 160 to ensure the realization of the sealing function.

[0041] In other alternative embodiments, the inner and outer diameters of the air outlet of the inflatable core 200 are the same as the inner and outer diameters of the valve core of the optical cavity inflating valve, which is convenient for the gas to be filled.

[0042] In other alternative embodiments, one end of the air outlet of the inflatable core 200 extends out of the end of the threaded joint 110 with the first external thread 111, so as to ensure that the inflatable core 200 effectively pushes open the valve core of the optical cavity inflating valve.

[0043] In other alternative embodiments, when the threaded joint 110 is sleeved on the inflatable core 200, there is a small clearance fit between the two.

[0044] In other alternative embodiments, the length of the first external thread 111 of the threaded joint 110 is slightly less than the inner thread depth of the optical cavity inflating valve.

[0045] In other alternative embodiments, when the pressing part 122 of the nut 120 is sleeved on the inflatable core 200, there is a small clearance fit between the two.

[0046] In other alternative embodiments, when the nut 120 is sleeved on the boss 220 of the inflatable core 200, there is a small clearance fit between the two.

[0047] The embodiments described above are some, but not all, of the embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the scope of protection of the present application.

Claims

1. An anti-twist inflatable joint with sealing function, characterized in that: It includes a joint body and an inflatable core that passes through and is sealed with the joint body. The inflatable core is configured to be connected to the joint body in an axially limited manner and rotatable around an axis. The joint body is configured to be threadedly connected to an inflation valve so that the inflatable core can push open the valve core of the inflation valve.

2. The anti-twist inflatable joint with sealing function according to claim 1, characterized in that: The inflatable core has inflatable holes running through both ends thereof, and the middle outer wall of the inflatable core is raised to form an annular boss.

3. The anti-twist inflatable joint with sealing function according to claim 2, characterized in that: The joint body comprises a threaded joint and a nut which can be respectively sleeved on the inflatable core. The threaded joint and the nut are connected by threads and enclose a receiving cavity for receiving the boss.

4. The anti-twist inflatable joint with sealing function according to claim 3, characterized in that: A first sealing ring is arranged between the side of the boss away from the inflation valve and the inner wall of the nut.

5. The anti-twist inflatable joint with sealing function according to claim 4, characterized in that: 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-twist inflatable joint with sealing function according to claim 3, characterized in that: A second sealing ring is sleeved on one end of the threaded joint away from the nut, and when the joint body is connected to the inflation valve through threads, the second sealing ring presses against the inner wall of the inflation valve.

7. The anti-twist inflatable joint with sealing function according to claim 6, characterized in that: The threaded joint is provided with a second groove for accommodating the second sealing ring.

8. The anti-twist inflatable joint with sealing function according to claim 3, characterized in that: A third sealing ring is provided between the threaded joint and the nut.

9. The anti-twist inflatable 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 accommodating the third sealing ring.

10. The anti-twist inflatable joint with sealing function according to claim 3, characterized in that: The outer wall of the threaded joint and / or the nut is provided with V-shaped grooves arranged at intervals along the circumferential direction.

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