Pipe cap structure

Abstract

The utility model relates to the technical field of pipe caps, in particular to a pipe cap structure. According to the technical scheme, the device comprises a sleeve, a nut, a first connecting pipe, a second connecting pipe and a connecting cover, a limiting ring is fixed to the outer side of one end of the first connecting pipe, the sleeve is installed at the end, located on the limiting ring, of the first connecting pipe in a communicating mode, and four adjusting grooves are formed in the end, away from the first connecting pipe, of the sleeve in an annular array mode; the nut is installed on the outer side of the sleeve in a threaded mode, a connecting ring is fixed to the outer side of one end of the second connecting pipe, a lens is fixed into the end, away from the connecting ring, of the second connecting pipe, and the end, located on the connecting ring, of the second connecting pipe is installed at the end, away from the limiting ring, of the first connecting pipe in a threaded mode; clear glass is fixed in one end of the connecting cover, and the end, away from the clear glass, of the connecting cover is installed at the end, away from the connecting ring, of the second connecting pipe in a threaded mode. The utility model has the advantage that the tube cap can be optically focused.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe caps, in particular to a pipe cap structure. Background Art

[0002] In the field of fiber optic communications, optical transceivers typically use optical components such as spherical and aspherical lenses as coupling elements for optical focusing. Furthermore, the lenses must be mounted and fixed to supporting structures to achieve mechanical positioning and an airtight seal. The cap is a crucial component in achieving these technical requirements.

[0003] The use of a tube cap can seal the end or hole of the optical fiber to seal and prevent debris from entering. At the same time, in order to improve the use efficiency of the tube cap, optical focusing needs to be performed through a lens. Therefore, a tube cap structure that is conducive to optical focusing is now needed. Utility Model Content

[0004] The purpose of the utility model is to provide a tube cap structure, which has the advantage of being conducive to optical focusing of the tube cap, and solves the problem of needing to perform optical focusing through a lens in order to improve the use efficiency of the tube cap.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tube cap structure, comprising a sleeve, a nut, a first connecting tube, a second connecting tube and a connecting cover, a limiting ring being fixed to the outside of one end of the first connecting tube, the sleeve being connected and installed at one end of the first connecting tube located at the limiting ring, four adjustment grooves being provided in a circular array at one end of the sleeve away from the first connecting tube, the nut being threadedly installed on the outside of the sleeve, a connecting ring being fixed to the outside of one end of the second connecting tube, a lens being fixed inside the end of the second connecting tube away from the connecting ring, an end of the second connecting tube located at the connecting ring being threadedly installed at the end of the first connecting tube away from the limiting ring, clear glass being fixed inside one end of the connecting cover, and an end of the connecting cover away from the clear glass being threadedly installed at the end of the second connecting tube away from the connecting ring.

[0006] Preferably, the inner diameters of both ends of the sleeve are equal, and the outer diameter of the sleeve at one end of the adjusting groove is larger than the diameter of the sleeve at one end of the first connecting pipe.

[0007] Preferably, the outer sides of the sleeve, the first connecting pipe and the second connecting pipe are all provided with external threads.

[0008] Preferably, the inner sides of the second connecting pipe and the connecting cover are both provided with internal threads, the inner threads of the second connecting pipe are adapted to the outer threads of the first connecting pipe, and the inner threads of the connecting cover are adapted to the outer threads of the second connecting pipe.

[0009] Preferably, the inner diameters of the sleeve and the first connecting tube are equal, and the outer diameter of the limiting ring is larger than the outer diameters of the sleeve and the first connecting tube.

[0010] Preferably, the outer diameter of the connecting ring is larger than the outer diameter of the second connecting pipe, and the outer diameter of the limiting ring is smaller than the outer diameter of the connecting ring.

[0011] Preferably, the length of the connecting cover is shorter than the length of the second connecting pipe, and the length of the second connecting pipe is shorter than the length of the first connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model is conducive to achieving the effect of installing the tube cap on the optical fiber by providing a sleeve and a nut. The tube cap is sleeved on the end of the optical fiber through the end of the sleeve located in the adjustment groove. At the same time, the nut is adjusted to the end of the sleeve located in the adjustment groove so that the sleeve is fixed on the end of the optical fiber to achieve the installation of the tube cap.

[0014] 2. The utility model is conducive to achieving the effect of sealing the end of the optical fiber and adjusting the focus by providing a second connecting tube and a connecting cover. The second connecting tube is installed on the first connecting tube to achieve the sealing of the end of the optical fiber, and under the action of the lens, it is conducive to focusing the optical fiber. At the same time, the second connecting tube is adjusted on the first connecting tube to achieve the adjustment of the focal length, and the clear glass and the connecting cover are installed on the second connecting tube, which is conducive to protecting the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a partial structural diagram of the utility model.

[0018] In the figure: 1. sleeve; 2. adjustment groove; 3. nut; 4. limit ring; 5. connecting ring; 6. first connecting tube; 7. second connecting tube; 8. lens; 9. clear glass; 10. connecting cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] Example 1

[0023] See also Figures 1 to 3 , the utility model provides an embodiment: a tube cap structure, including a sleeve 1, a nut 3, a first connecting tube 6, a second connecting tube 7 and a connecting cover 10, a limiting ring 4 is fixed to the outside of one end of the first connecting tube 6, the sleeve 1 is connected and installed in communication with the first connecting tube 6 at one end of the limiting ring 4, four adjusting grooves 2 are opened in a ring array at the end of the sleeve 1 away from the first connecting tube 6, the nut 3 is threadedly installed on the outside of the sleeve 1, a connecting ring 5 is fixed to the outside of one end of the second connecting tube 7, a lens 8 is fixed inside the end of the second connecting tube 7 away from the connecting ring 5, the end of the second connecting tube 7 located at the connecting ring 5 is threadedly installed at the end of the first connecting tube 6 away from the limiting ring 4, a clear glass 9 is fixed inside one end of the connecting cover 10, and the end of the connecting cover 10 away from the clear glass 9 is threadedly installed at the end of the second connecting tube 7 away from the connecting ring 5.

[0024] In this embodiment, the first connecting pipe 6 and the sleeve 1 are integrally provided.

[0025] The inner diameters of the sleeve 1 at both ends are equal, and the outer diameter of the sleeve 1 at the end located at the adjustment groove 2 is larger than the diameter of the sleeve 1 at the end located at the first connecting pipe 6 .

[0026] External threads are formed on the outer sides of the sleeve 1 , the first connecting pipe 6 and the second connecting pipe 7 .

[0027] The outer diameter of the connecting ring 5 is larger than the outer diameter of the second connecting pipe 7 , and the outer diameter of the limiting ring 4 is smaller than the outer diameter of the connecting ring 5 .

[0028] The tube cap is put on the end of the optical fiber through the end of the sleeve 1 located in the adjustment groove 2, and at the same time, the nut 3 is adjusted to the end of the sleeve 1 located in the adjustment groove 2 so that the sleeve 1 is fixed on the end of the optical fiber to achieve the installation of the tube cap.

[0029] Example 2

[0030] See also Figures 1 to 3 , the utility model provides an embodiment: a tube cap structure, compared with embodiment 1, this embodiment also includes: a sleeve 1, a nut 3, a first connecting tube 6, a second connecting tube 7 and a connecting cover 10, one end of the first connecting tube 6 is fixed to the outside of a limiting ring 4, the sleeve 1 is connected and installed in communication with the first connecting tube 6 at one end of the limiting ring 4, the sleeve 1 is away from the first connecting tube 6 and has four adjusting grooves 2 in a ring array at one end, the nut 3 is threadedly installed on the outside of the sleeve 1, one end of the second connecting tube 7 is fixed to the outside of a connecting ring 5, a lens 8 is fixed inside the end of the second connecting tube 7 away from the connecting ring 5, the second connecting tube 7 is located at one end of the connecting ring 5 and is threadedly installed at the end of the first connecting tube 6 away from the limiting ring 4, a clear glass 9 is fixed inside one end of the connecting cover 10, and the end of the connecting cover 10 away from the clear glass 9 is threadedly installed at the end of the second connecting tube 7 away from the connecting ring 5.

[0031] The inner sides of the second connecting pipe 7 and the connecting cover 10 are both provided with internal threads. The inner threads of the second connecting pipe 7 are adapted to the outer threads of the first connecting pipe 6 , and the inner threads of the connecting cover 10 are adapted to the outer threads of the second connecting pipe 7 .

[0032] The inner diameters of the sleeve 1 and the first connecting pipe 6 are equal, and the outer diameter of the limiting ring 4 is larger than the outer diameters of the sleeve 1 and the first connecting pipe 6 .

[0033] The length of the connecting cover 10 is shorter than that of the second connecting pipe 7 , and the length of the second connecting pipe 7 is shorter than that of the first connecting pipe 6 .

[0034] The second connecting tube 7 is installed on the first connecting tube 6 to achieve the sealing of the optical fiber end, and the lens 8 is helpful to focus the optical fiber. At the same time, the second connecting tube 7 is adjusted on the first connecting tube 6 to adjust the focal length, and the clear glass 9 and the connecting cover 10 are installed on the second connecting tube 7, which is helpful to protect the lens 8.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pipe cap structure, comprising a sleeve (1), a nut (3), a first connecting pipe (6), a second connecting pipe (7) and a connecting cover (10), characterized in that: A limiting ring (4) is fixed on the outside of one end of the first connecting tube (6); the sleeve (1) is connected and installed on one end of the first connecting tube (6) located at the limiting ring (4); four adjustment grooves (2) are provided in a circular array at one end of the sleeve (1) away from the first connecting tube (6); the nut (3) is threadedly installed on the outside of the sleeve (1); a connecting ring (5) is fixed on the outside of one end of the second connecting tube (7); a lens (8) is fixed inside the end of the second connecting tube (7) away from the connecting ring (5); the end of the second connecting tube (7) located at the connecting ring (5) is threadedly installed on the end of the first connecting tube (6) away from the limiting ring (4); a clear glass (9) is fixed inside one end of the connecting cover (10); the end of the connecting cover (10) away from the clear glass (9) is threadedly installed on the end of the second connecting tube (7) away from the connecting ring (5).

2. The pipe cap structure according to claim 1, characterized in that: The inner diameters of the sleeve (1) are equal at both ends, and the outer diameter of the sleeve (1) at one end located at the adjustment groove (2) is larger than the diameter of the sleeve (1) at one end located at the first connecting pipe (6).

3. The pipe cap structure according to claim 1, characterized in that: External threads are provided on the outer sides of the sleeve (1), the first connecting pipe (6) and the second connecting pipe (7).

4. The pipe cap structure according to claim 1, characterized in that: The inner sides of the second connecting tube (7) and the connecting cover (10) are both provided with internal threads, the inner threads of the second connecting tube (7) are adapted to the outer threads of the first connecting tube (6), and the inner threads of the connecting cover (10) are adapted to the outer threads of the second connecting tube (7).

5. The pipe cap structure according to claim 1, characterized in that: The inner diameters of the sleeve (1) and the first connecting tube (6) are equal, and the outer diameter of the limiting ring (4) is larger than the outer diameters of the sleeve (1) and the first connecting tube (6).

6. The pipe cap structure according to claim 1, characterized in that: The outer diameter of the connecting ring (5) is larger than the outer diameter of the second connecting pipe (7), and the outer diameter of the limiting ring (4) is smaller than the outer diameter of the connecting ring (5).

7. The pipe cap structure according to claim 1, characterized in that: The length of the connecting cover (10) is smaller than the length of the second connecting pipe (7), and the length of the second connecting pipe (7) is smaller than the length of the first connecting pipe (6).

Images