Optical fiber laser collimation integrated QBH joint

Abstract

The utility model discloses an optical fiber laser collimation integrated QBH joint in the technical field of optical equipment connection, which comprises a QBH main body, a pin ring, a positioning ring, a locking nut and a collimating mirror mounting ring, and is characterized in that the pin ring is sleeved on the lower side of the outer side wall of the QBH main body; the positioning ring is adjusted on the lower side of the outer side wall of the QBH body and located in an inner cavity of the pin ring, the locking nut is connected to the bottom of the QBH body in a screwed mode, the collimating mirror installation ring is located at the top of the QBH body, a collimating cylinder is arranged at the top of the QBH body, an optical fiber head pin installation hole is formed in the right side of the front side wall of the QBH body, and the optical fiber head pin installation hole is located in the optical fiber head pin installation hole. A positioning pin mounting hole is formed in the left side of the front side wall of the QBH main body, the optical fiber laser collimation integrated QBH connector is reasonable in structural design, the QBH connector can be higher in stability and not prone to loosening after being mounted, the positioning accuracy of a collimation mechanism is improved, and the laser output stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical equipment connection, in particular to an optical fiber laser alignment integrated QBH connector. Background Art

[0002] In the field of fiber optic output technology, the QBH connector is used to connect the fiber optic output head and the collimation mechanism of the fiber optic output. In order to ensure the stability of the light output, the QBH connector must stably and reliably fix the fiber optic output head and the collimation mechanism.

[0003] However, the existing QBH connector is unstable during use, easy to loosen, and has inaccurate positioning with the collimation mechanism, which greatly reduces the stability of laser output. In addition, the collimation lens requires a separate collimation drawer, which also increases the structural complexity of the fiber output head. For this reason, we propose an integrated QBH connector for fiber laser collimation. Utility Model Content

[0004] The purpose of the present invention is to provide an integrated QBH connector for optical fiber laser alignment to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fiber laser collimation integrated QBH connector, comprising a QBH body, a pin ring, a positioning ring, a locking nut and a collimator lens mounting ring, wherein the pin ring is sleeved on the lower side of the outer wall of the QBH body, the positioning ring is adjusted on the lower side of the outer wall of the QBH body and is located in the inner cavity of the pin ring, the locking nut is screwed on the bottom of the QBH body, the collimator lens mounting ring is located at the top of the QBH body, a collimator cylinder is provided on the top of the QBH body, a fiber head pin mounting hole is provided on the right side of the front side wall of the QBH body, and a collimator lens mounting ring is provided on the left side of the front side wall of the QBH body. Positioning pin mounting hole, the outer wall of the QBH body is provided with a waist hole slide groove on the upper side of the optical fiber head pin mounting hole, and the waist hole slide grooves are evenly distributed, the outer wall of the QBH body is provided with an annular positioning groove on the upper side of the waist hole slide groove, a pin hole is provided on the upper side of the outer wall of the pin ring, and a fixing pin is inserted into the inner cavity of the pin hole, and the end of the fixing pin extends to the inner cavity of the waist hole slide groove, a trapezoidal groove is provided on the bottom of the pin ring, a locking clamp is provided on the lower side of the outer wall of the positioning ring, the locking clamp is clamped in the inner cavity of the trapezoidal groove, and a U-shaped positioning groove is provided on the top rear side of the positioning ring.

[0006] As a further description of the above technical solution:

[0007] A sensor mounting groove is provided in the middle of the lower side of the front side wall of the QBH body, a positioning indicator mark is provided at the bottom of the QBH body, and a locking external thread is provided around the outer side wall of the QBH body and on the upper side of the sensor mounting groove.

[0008] As a further description of the above technical solution:

[0009] An external mounting thread is formed around the upper side of the outer wall of the collimating cylinder, and an internal mounting thread is formed on the inner wall of the collimating lens mounting ring. The external mounting thread is screwed to the internal mounting thread.

[0010] As a further description of the above technical solution:

[0011] A first sealing ring groove is formed around the outer wall of the QBH body and located above the annular positioning groove. An installation limit step is fixedly connected around the outer wall of the QBH body and located above the first sealing ring groove. A second sealing ring groove is formed around the outer wall of the pin ring and located below the pin hole.

[0012] As a further description of the above technical solution:

[0013] A third sealing ring groove is provided around the upper side of the inner side wall of the locking nut, a locking internal thread is provided around the upper side of the inner side wall of the locking nut, the locking internal thread is threadedly connected to the locking external thread, and anti-slip teeth are provided around the outer side wall of the locking nut.

[0014] As a further description of the above technical solution:

[0015] The inner cavities of the first sealing ring groove, the second sealing ring groove and the third sealing ring groove are all provided with sealing rings.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the fiber laser alignment integrated QBH connector, pull the pin ring upwards, rotate it clockwise to the limit, then align the fiber head indicator mark with the QBH bottom positioning indicator mark, insert the fiber head vertically, and then rotate the pin ring counterclockwise until the trapezoidal slot is aligned with the positioning ring locking clamp, and finally lock the locking nut, so that the QBH connector can be more stable after installation and not easy to loosen, thereby improving the positioning accuracy of the alignment mechanism and improving the stability of the laser output. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the exploded structure of a fiber laser alignment integrated QBH joint proposed in the utility model;

[0018] Figure 2 This is a schematic diagram of the locking structure of a fiber laser alignment integrated QBH connector proposed in the present invention;

[0019] Figure 3 This is a schematic diagram of the main partial structure of a fiber laser alignment integrated QBH connector proposed in the present invention;

[0020] Figure 4 This is a schematic diagram of the positioning ring structure of a fiber laser alignment integrated QBH connector proposed in the present invention;

[0021] Figure 5 This is a schematic diagram of the locking nut structure of a fiber laser alignment integrated QBH connector proposed in the present invention;

[0022] Figure 6 This is a schematic diagram of the pin ring structure of a fiber laser alignment integrated QBH connector proposed in the present invention;

[0023] Figure 7 This is a schematic diagram of the collimating mirror mounting ring structure of a fiber laser collimating integrated QBH connector proposed in the utility model.

[0024] In the figure: 100, QBH body; 101, sensor mounting groove; 102, positioning indicator mark; 103, locking external thread; 110, collimator; 111, mounting external thread; 120, fiber head pin mounting hole; 130, positioning pin mounting hole; 140, waist hole slide groove; 150, annular positioning groove; 160, first sealing ring groove; 170, installation limit step; 200, pin ring; 210, second sealing ring groove; 220, pin hole; 221, fixing pin; 230, trapezoidal slot; 300, positioning ring; 310, locking chuck; 320, U-shaped positioning slot; 400, locking nut; 410, third sealing ring groove; 420, locking internal thread; 430, anti-slip teeth; 500, collimator mirror mounting ring; 510, mounting internal thread. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] This utility model provides a fiber laser alignment integrated QBH connector, which has higher stability after installation and is not easy to loosen, improves the positioning accuracy of the alignment mechanism, and improves the stability of the laser output. Figure 1-7 , including a QBH body 100, a pin ring 200, a positioning ring 300, a locking nut 400 and a collimator lens mounting ring 500;

[0029] See also Figure 1-3A collimating cylinder 110 is provided on the top of the QBH main body 100, a fiber head pin mounting hole 120 is provided on the right side of the front side wall of the QBH main body 100, a positioning pin mounting hole 130 is provided on the left side of the front side wall of the QBH main body 100, a waist hole slide groove 140 is opened on the outer wall of the QBH main body 100 and located above the fiber head pin mounting hole 120, and the waist hole slide grooves 140 are evenly distributed, and an annular positioning groove 150 is opened on the outer wall of the QBH main body 100 and located on the upper side of the waist hole slide groove 140. A sensor mounting groove 101 is opened in the middle of the lower side of the front side wall of the QBH main body 100, a positioning indicator mark 102 is opened on the bottom of the QBH main body 100, and a locking external thread 10 is opened on the outer wall of the QBH main body 100 and located on the upper side of the sensor mounting groove 101. 3. An external mounting thread 111 is provided around the upper side of the outer wall of the collimating cylinder 110. A first sealing ring groove 160 is provided around the outer wall of the QBH body 100 and located above the annular positioning groove 150. An installation limit step 170 is fixedly connected around the outer wall of the QBH body 100 and located above the first sealing ring groove 160. The inner cavities of the first sealing ring groove 160, the first sealing ring groove 160 and the third sealing ring groove 410 are all provided with sealing rings. Pull the pin ring 200 upward and rotate it clockwise to the limit position. Then align the optical fiber head indicator mark with the positioning indicator mark 102 at the bottom of the QBH. Insert the optical fiber head vertically. Then rotate the pin ring 200 counterclockwise until the trapezoidal card groove 230 is aligned with the locking card head 310 of the positioning ring 300. Finally, tighten the locking nut 400.

[0030] In summary, the QBH connector can be made more stable after installation and less likely to loosen, thereby improving the positioning accuracy of the collimation mechanism and the stability of the laser output.

[0031] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 6 A pin hole 220 is formed around the upper side of the outer wall of the pin ring 200, and a fixing pin 221 is inserted into the inner cavity of the pin hole 220, and the end of the fixing pin 221 extends to the inner cavity of the waist hole slide groove 140. A trapezoidal groove 230 is formed around the bottom of the pin ring 200, and a second sealing ring groove 210 is formed around the outer wall of the pin ring 200 and located below the pin hole 220. The pin ring 200 is sleeved on the lower side of the outer wall of the QBH body 100;

[0032] See also Figure 1-4 A locking clamp 310 is provided around the lower side of the outer wall of the positioning ring 300. The locking clamp 310 is clamped in the inner cavity of the trapezoidal slot 230. A U-shaped positioning groove 320 is opened on the top rear side of the positioning ring 300. The positioning ring 300 is adjusted to the lower side of the outer wall of the QBH body 100 and is located in the inner cavity of the pin ring 200.

[0033] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 5 A third sealing ring groove 410 is formed around the upper side of the inner wall of the locking nut 400, and a locking internal thread 420 is formed around the upper side of the inner wall of the locking nut 400. The locking internal thread 420 is screwed to the locking external thread 103. Anti-slip teeth 430 are provided around the outer wall of the locking nut 400. The locking nut 400 is screwed to the bottom of the QBH body 100.

[0034] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 7 The inner side wall of the collimator lens mounting ring 500 is provided with an internal mounting thread 510 , and the external mounting thread 111 is screwed to the internal mounting thread 510 . The collimator lens mounting ring 500 is located at the top of the QBH body 100 .

[0035] During specific use, when installing the QBH connector, personnel in this technical field install the sensor through the sensor mounting groove 101 in advance. After the installation is completed, the pin ring 200 is pulled upward and rotated clockwise to the limit. Then, the fiber optic head indicator mark is aligned with the QBH bottom positioning indicator mark 102, and the fiber optic head is vertically inserted into the fiber optic head pin mounting hole 120. Then, the pin ring 200 is rotated counterclockwise until the trapezoidal slot 230 is aligned with the positioning ring 300 locking clamp 310, and the second sealing ring groove 210 seals both of them. Finally, the locking internal thread 420 and the locking external thread 103 are screwed together, the locking nut 400 is installed, and sealed with the sealing ring in the third sealing ring groove 410. After the installation is completed, the alignment mirror mounting ring 500 is installed by installing the internal thread 510 and the external thread 111. The overall installation of the QBH connector is completed and can be used.

[0036] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A fiber laser alignment integrated QBH connector, characterized by: The invention comprises a QBH body (100), a pin ring (200), a positioning ring (300), a locking nut (400) and a collimator mirror mounting ring (500), wherein the pin ring (200) is sleeved on the lower side of the outer wall of the QBH body (100), the positioning ring (300) is adjusted on the lower side of the outer wall of the QBH body (100) and is located in the inner cavity of the pin ring (200), the locking nut (400) is screwed on the bottom of the QBH body (100), the collimator mirror mounting ring (500) is located at the top of the QBH body (100), the top of the QBH body (100) is provided with a collimator tube (110), the right side of the front side wall of the QBH body (100) is provided with an optical fiber head pin mounting hole (120), the left side of the front side wall of the QBH body (100) is provided with a positioning pin mounting hole (130), the outer side of the QBH body (100) is provided with a collimator mirror mounting hole (110), and the outer side of the QBH body (100) is provided with a collimator mirror mounting hole (110). The side wall is provided with a waist hole slide groove (140) on the upper side of the optical fiber head pin mounting hole (120), and the waist hole slide grooves (140) are evenly distributed. The outer side wall of the QBH body (100) is provided with an annular positioning groove (150) on the upper side of the waist hole slide groove (140). The outer side wall of the pin ring (200) is provided with a pin hole (220) on the upper side, and the inner cavity of the pin hole (220) is plugged with a fixing pin ( 221), and the end of the fixing pin (221) extends to the inner cavity of the waist hole slide groove (140), a trapezoidal slot (230) is opened around the bottom of the pin ring (200), a locking clamp (310) is provided around the lower side of the outer wall of the positioning ring (300), and the locking clamp (310) is clamped in the inner cavity of the trapezoidal slot (230), and a U-shaped positioning groove (320) is opened on the top rear side of the positioning ring (300).

2. The fiber laser alignment integrated QBH connector according to claim 1, characterized in that: A sensor mounting groove (101) is provided in the middle of the lower side of the front side wall of the QBH body (100), a positioning indicator mark (102) is provided at the bottom of the QBH body (100), and a locking external thread (103) is provided around the outer side wall of the QBH body (100) and located above the sensor mounting groove (101).

3. The fiber laser alignment integrated QBH connector according to claim 2, characterized in that: An external mounting thread (111) is formed around the upper side of the outer wall of the collimating cylinder (110), and an internal mounting thread (510) is formed on the inner wall of the collimating lens mounting ring (500), wherein the external mounting thread (111) is threadedly connected to the internal mounting thread (510).

4. The fiber laser alignment integrated QBH connector according to claim 3, characterized in that: A first sealing ring groove (160) is formed around the outer wall of the QBH body (100) and located above the annular positioning groove (150); a mounting limit step (170) is fixedly connected around the outer wall of the QBH body (100) and located above the first sealing ring groove (160); and a second sealing ring groove (210) is formed around the outer wall of the pin ring (200) and located below the pin hole (220).

5. The fiber laser alignment integrated QBH connector according to claim 4, characterized in that: A third sealing ring groove (410) is formed around the upper side of the inner wall of the locking nut (400), a locking internal thread (420) is formed around the upper side of the inner wall of the locking nut (400), the locking internal thread (420) is threadedly connected to the locking external thread (103), and anti-slip teeth (430) are formed around the outer wall of the locking nut (400).

6. The fiber laser alignment integrated QBH connector according to claim 5, characterized in that: The first sealing ring groove (160), the inner cavities of the first sealing ring groove (160) and the third sealing ring groove (410) are all provided with sealing rings.

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