CN216227531U - QBH joint for handheld laser welding - Google Patents
QBH joint for handheld laser welding Download PDFInfo
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- CN216227531U CN216227531U CN202122722470.7U CN202122722470U CN216227531U CN 216227531 U CN216227531 U CN 216227531U CN 202122722470 U CN202122722470 U CN 202122722470U CN 216227531 U CN216227531 U CN 216227531U
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- inner sleeve
- outer ring
- optical fiber
- limiting groove
- ring
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Abstract
The utility model discloses a QBH joint for handheld laser welding, which comprises a pressing ring, an inner sleeve and an outer ring; the pressing ring is connected with the upper portion of the inner sleeve through threads, the outer ring is sleeved on the inner sleeve from the bottom of the inner sleeve, a positioning groove is formed in the joint of the inner sleeve and the outer ring, a spring and steel balls are arranged in the positioning groove, the steel balls are located at the outer end of the spring and are in contact with the outer ring, a first limiting groove and a second limiting groove are formed in the inner wall of the outer ring, which corresponds to the circumference of the steel balls, the outer ring rotates to enable the steel balls to enter the first limiting groove or the second limiting groove, and relative fixing of the inner sleeve and the outer ring is achieved. The utility model has simple structure and light weight, can improve the comfort level of the operation of the QBH joint, has the advantages of simple processing technology and low requirement on processing precision, and reduces the assembly difficulty and the manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of lasers, and particularly relates to a QBH (quantum well hydrogen) joint for handheld laser welding.
Background
Present fiber laser all adopts QBH to connect basically and is connected with processing equipment, and current QBH connects to have more problem: (1) the volume is large, the weight is high, and the light weight and the comfort degree of the handheld equipment are influenced; (2) the parts have complex processing technology, high processing difficulty and high processing precision requirement, and the manufacturing difficulty and the cost are increased; (3) the problems of poor stability, easy looseness and the like exist in the using process, and the reliability of connection is seriously reduced.
Aiming at the defects of the existing QBH joint, a new QBH joint is urgently needed to solve the existing technical problem.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to overcome the defects in the prior art and provide a QBH joint for handheld laser welding.
The technical scheme for realizing the utility model is as follows:
the utility model discloses a QBH joint for handheld laser welding, which comprises a pressing ring, an inner sleeve and an outer ring; the pressing ring is connected with the upper portion of the inner sleeve through threads, the outer ring is sleeved on the inner sleeve from the bottom of the inner sleeve, a positioning groove is formed in the joint of the inner sleeve and the outer ring, a spring and steel balls are arranged in the positioning groove, the steel balls are located at the outer end of the spring and are in contact with the outer ring, a first limiting groove and a second limiting groove are formed in the inner wall of the outer ring, which corresponds to the circumference of the steel balls, the outer ring rotates to enable the steel balls to enter the first limiting groove or the second limiting groove, and relative fixing of the inner sleeve and the outer ring is achieved.
The utility model further preferably adopts the technical scheme that the top of the inner sleeve is provided with an optical fiber reference, the circumference of the inner sleeve is provided with an optical fiber limit pin, the circumference of the bottom of the inner sleeve is provided with a plurality of waist holes, the outer ring corresponding to the waist holes is provided with a locking pin, and the locking pin is inserted into the waist holes; when the optical fiber head is aligned with the optical fiber reference and inserted into the inner sleeve, the steel ball is positioned in the first limiting groove, and the locking pin is aligned with the optical fiber limiting pin; the steel balls enter the second limiting groove from the first limiting groove by rotating the outer ring, and meanwhile, the outer ring drives the locking pin to enter the optical fiber head groove to limit the optical fiber head to rotate in the radial direction. According to the utility model, the locking pin is arranged on the outer ring, passes through the waist hole of the inner sleeve and enters the groove of the optical fiber head to limit the radial movement of the optical fiber head; the pressing ring is in threaded connection with the inner sleeve, the inner sleeve is provided with a spring and a steel ball, the first limiting groove and the second limiting groove corresponding to the inner wall of the outer ring can be limited, the steel ball blocks the first limiting groove and the second limiting groove respectively at an optical fiber head entering position and a locking position, switching can be performed at two positions only through external force, and rotation and axial movement of the optical fiber head can be limited.
Preferably, the waist holes are provided with 3 groups. The waist holes are provided with 3 groups, so that the locking pins can better limit the radial movement of the optical fiber head from three directions.
Preferably, the inner wall of the pressing ring is provided with an internal thread, the outer wall of the inner sleeve is provided with an external thread, the pressing ring and the inner sleeve are in threaded connection through the internal thread and the external thread, an annular groove is formed in the inner sleeve between the pressing ring and the inner sleeve, and a dustproof sealing ring is arranged in the annular groove.
Preferably, the first limiting groove and the second limiting groove are arc-shaped curved surfaces protruding outwards, the arc-shaped curved surfaces facilitate sliding in and sliding out of the steel ball, and positioning of the steel ball in the first limiting groove and the second limiting groove can be achieved better.
When the steel ball clamps the first limiting groove, the locking pin at one position is aligned with the optical fiber limiting pin, and the optical fiber head is inserted into the optical fiber reference in an alignment manner; the outer ring is rotated forcibly, so that the steel balls clamp the second limiting groove, and meanwhile, the outer ring drives three locking pins to enter the optical fiber head groove, so that the radial movement of the optical fiber head is limited; the steel ball is propped against the second limiting groove due to the elastic force of the spring, so that the outer ring cannot rotate, and the optical fiber head is limited to rotate; after the optical fiber head is assembled in place, the pressing ring is screwed downwards to press the inner sleeve, so that the axial direction of the optical fiber head is ensured not to move; when the optical fiber head is detached, the pressing ring is firstly unscrewed, and the outer ring is rotated forcefully to enable the steel balls to clamp the first limiting groove, so that the optical fiber head can be pulled out.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) according to the joint, the steel balls and the springs are arranged between the inner sleeve and the outer ring, the inner sleeve and the outer ring are relatively fixed through the first limiting groove and the second limiting groove on the outer ring, the structure is simple, and the manufacturing cost is low.
(2) The locking pin on the outer ring of the connector can limit the radial movement of the optical fiber head; the pressing ring is connected with the inner sleeve through threads, and the inner sleeve is provided with a spring and a steel ball; the rotation and the axial rotation of the optical fiber head can be limited, and the locking is safe and reliable.
(3) The optical fiber head mounting and dismounting device is simple and convenient to operate, the optical fiber head can be correspondingly mounted or dismounted only by locking or loosening the pressing ring and the outer ring, the processing technology is simple, the processing precision requirement is low, and the assembly difficulty and the manufacturing cost are reduced; light weight and improved operation comfort.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a QBH linker according to the present invention;
FIG. 2 is an exploded view of the QBH adapter of the present invention;
FIG. 3 is a top view of a QBH fitting according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a cross-sectional view of section B-B in fig. 3.
In the figure, 1-clamp ring; 2-inner sleeve; 21-fiber reference; 22-waist hole; 3-outer ring, 31-first limit groove; 32-a second limit groove; 4-dustproof sealing ring; 5-optical fiber limit pin; 6-locking pin; 7-steel balls; 8-spring.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): a QBH joint for hand laser welding, as shown in the accompanying drawings, the joint in this embodiment comprises a compression ring 1, an inner sleeve 2 and an outer ring 3; the inner wall of the pressing ring 1 is provided with internal threads, the outer wall of the inner sleeve 2 is provided with external threads, the pressing ring 1 and the inner sleeve 2 are in threaded connection through the internal threads and the external threads, the inner sleeve 2 between the pressing ring 1 and the inner sleeve 2 is provided with an annular groove, and a dustproof sealing ring 4 is arranged in the annular groove; in the embodiment, the outer ring 3 is sleeved on the inner ring 2 from the bottom of the inner ring 2, a positioning groove is arranged at the joint of the inner ring 2 and the outer ring 3, a spring 8 and a steel ball 7 are arranged in the positioning groove, the steel ball 7 is positioned at the outer end of the spring 8 and is contacted with the outer ring 3, a first limiting groove 31 and a second limiting groove 32 are arranged on the inner wall of the outer ring 3 corresponding to the circumference of the steel ball 7, the steel ball 7 enters the first limiting groove 31 or the second limiting groove 32 by the rotation of the outer ring 3, and the relative fixation of the inner ring 2 and the outer ring 3 is realized; the first limiting groove 31 and the second limiting groove 32 are both arc-shaped curved surfaces protruding outwards, the arc-shaped curved surfaces are convenient for the steel balls to slide in and out, and the positioning of the steel balls 7 in the first limiting groove 31 and the second limiting groove 32 can be better realized; the top of the inner sleeve 2 is provided with an optical fiber reference 21, the circumference of the inner sleeve 2 is provided with optical fiber limit pins 5, the optical fiber reference 21 and the optical fiber limit pins 5 are positioned on the same vertical line, the circumference of the bottom of the inner sleeve is provided with three groups of waist holes 22 at equal angles, the outer ring 3 corresponding to the positions of the waist holes 22 is provided with a locking pin 6, and the locking pin 6 is inserted into the waist holes 22; when the optical fiber head is aligned with the optical fiber datum 21 and inserted into the inner sleeve 2, the steel ball 7 is positioned in the first limiting groove 31, and the locking pin 6 is aligned with the optical fiber limiting pin 5, so that the optical fiber head can smoothly enter the inner sleeve 2, wherein the locking pin 6 is positioned below the optical fiber limiting pin 5 in the embodiment; by rotating the outer ring 3, the steel balls 7 enter the second limiting groove 32 from the first limiting groove 31, and meanwhile, the outer ring 3 drives the three locking pins 6 to enter the grooves of the optical fiber head to limit the radial rotation of the optical fiber head. In the embodiment, the locking pin 6 is arranged on the outer ring 3, passes through the waist hole 22 of the inner sleeve 2, and enters the groove of the optical fiber head to limit the radial movement of the optical fiber head; the waist holes 22 in the embodiment are provided with 3 groups, corresponding to three groups of locking pins 6, so that the locking pins 6 can better limit the radial movement of the optical fiber head from three directions; the pressing ring 1 is in threaded connection with the inner sleeve 2, the inner sleeve 2 is provided with the spring 8 and the steel ball 7, the first limiting groove 31 and the second limiting groove 32 corresponding to the inner wall of the outer ring 3 can be limited, the steel ball 7 clamps the first limiting groove 31 and the second limiting groove 32 respectively at the entering position and the locking position of the optical fiber head, switching can be performed at two positions only through external force, and rotation and axial movement of the optical fiber head can be limited.
In the connector in the embodiment, when the steel ball 7 clamps the first limiting groove 31, the locking pin 6 at one position is aligned with the optical fiber limiting pin 5, and the optical fiber head is inserted in alignment with the optical fiber reference; the outer ring 3 is rotated forcibly, so that the steel balls 7 clamp the second limiting groove 32, and meanwhile, the outer ring 3 drives the three locking pins 6 to enter the grooves of the optical fiber head, so that the radial movement of the optical fiber head is limited; the steel ball 7 is propped against the second limiting groove 32 due to the elastic force of the spring 8, so that the outer ring 3 cannot rotate, and the rotation of the optical fiber head is limited; after the optical fiber head is assembled in place, the pressing ring 1 rotates downwards to press the inner sleeve 2, so that the axial direction of the optical fiber head is ensured not to move, the six degrees of freedom of the optical fiber head are limited, and the locking is safe and reliable; when the optical fiber head is detached, the pressing ring 1 is firstly unscrewed, and the outer ring 3 is forcibly rotated to enable the steel balls 7 to clamp the first limiting groove 31, so that the optical fiber head can be pulled out.
The locking pin 6 on the outer ring 3 of the connector of the embodiment can limit the radial movement of the optical fiber head; the pressing ring 1 is in threaded connection with the inner sleeve 2, and the inner sleeve 2 is provided with a spring 8 and a steel ball 7, so that the rotation and the axial rotation of the optical fiber head can be limited, and the locking is safe and reliable; the connector of the embodiment is simple and convenient to operate, the optical fiber head can be correspondingly installed or disassembled only by locking or loosening the pressing ring 1 and the outer ring 3, the processing technology is simple, the processing precision requirement is low, and the assembly difficulty and the manufacturing cost are reduced; the joint structure in this embodiment is simple, and light in weight has improved the comfort level of operation.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A QBH joint for handheld laser welding comprises a pressing ring, an inner sleeve and an outer ring; the steel ball bearing is characterized in that the pressing ring is in threaded connection with the upper portion of the inner sleeve, the outer ring is sleeved on the inner sleeve from the bottom of the inner sleeve, a positioning groove is formed in the joint of the inner sleeve and the outer ring, a spring and steel balls are arranged in the positioning groove, the steel balls are located at the outer end of the spring and are in contact with the outer ring, a first limiting groove and a second limiting groove are formed in the inner wall of the outer ring, which corresponds to the circumference of the steel balls, the outer ring rotates to enable the steel balls to enter the first limiting groove or the second limiting groove, and relative fixing of the inner sleeve and the outer ring is achieved.
2. The connector according to claim 1, wherein the top of the inner sleeve is provided with an optical fiber reference, the circumference of the inner sleeve is provided with an optical fiber limit pin, the circumference of the bottom of the inner sleeve is provided with a plurality of waist holes, the outer ring corresponding to the positions of the waist holes is provided with a locking pin, and the locking pin is inserted into the waist holes; when the optical fiber head is aligned with the optical fiber reference and inserted into the inner sleeve, the steel ball is positioned in the first limiting groove, and the locking pin is aligned with the optical fiber limiting pin; the steel balls enter the second limiting groove from the first limiting groove by rotating the outer ring, and meanwhile, the outer ring drives the locking pin to enter the optical fiber head groove to limit the optical fiber head to rotate in the radial direction.
3. The joint of claim 2 wherein there are 3 sets of said waist holes.
4. The joint of claim 1, wherein the inner wall of the pressing ring is provided with an internal thread, the outer wall of the inner sleeve is provided with an external thread, the pressing ring and the inner sleeve are in threaded connection through the internal thread and the external thread, the inner sleeve between the pressing ring and the inner sleeve is provided with an annular groove, and a dustproof sealing ring is arranged in the annular groove.
5. The fitting according to claim 1, wherein said first and second retaining grooves are each an outwardly convex arcuate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722470.7U CN216227531U (en) | 2021-11-08 | 2021-11-08 | QBH joint for handheld laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722470.7U CN216227531U (en) | 2021-11-08 | 2021-11-08 | QBH joint for handheld laser welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216227531U true CN216227531U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122722470.7U Active CN216227531U (en) | 2021-11-08 | 2021-11-08 | QBH joint for handheld laser welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216227531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639649A (en) * | 2022-11-07 | 2023-01-24 | 青岛智尔光电科技有限公司 | Optical fiber connector connecting device capable of avoiding metal chips |
| CN115722796A (en) * | 2022-07-26 | 2023-03-03 | 珠海吉光科技有限公司 | Handheld welding gun, assembly method thereof and laser welding system |
-
2021
- 2021-11-08 CN CN202122722470.7U patent/CN216227531U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115722796A (en) * | 2022-07-26 | 2023-03-03 | 珠海吉光科技有限公司 | Handheld welding gun, assembly method thereof and laser welding system |
| CN115740732A (en) * | 2022-07-26 | 2023-03-07 | 珠海吉光科技有限公司 | QBH connects and has its collimation section of thick bamboo |
| CN115722796B (en) * | 2022-07-26 | 2023-08-29 | 珠海吉光科技有限公司 | Handheld welding gun, assembly method thereof and laser welding system |
| CN115740732B (en) * | 2022-07-26 | 2023-12-12 | 珠海吉光科技有限公司 | QBH connects and has its collimating tube |
| CN115639649A (en) * | 2022-11-07 | 2023-01-24 | 青岛智尔光电科技有限公司 | Optical fiber connector connecting device capable of avoiding metal chips |
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