CN220983128U - External thread detection device - Google Patents
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- CN220983128U CN220983128U CN202322545704.4U CN202322545704U CN220983128U CN 220983128 U CN220983128 U CN 220983128U CN 202322545704 U CN202322545704 U CN 202322545704U CN 220983128 U CN220983128 U CN 220983128U
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- 238000009434 installation Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 description 5
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- 238000003384 imaging method Methods 0.000 description 3
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Abstract
The utility model discloses an external thread detection device, which comprises a part carrier, wherein one end of the part carrier is provided with a main linear movement device corresponding to an external thread end of a part, an auxiliary linear movement device is coaxially arranged on the movement end of the main linear movement device corresponding to the external thread end of the part, a circumferential rotation device is arranged on the movement end of the auxiliary linear movement device, and the rotation end of the circumferential rotation device circumferentially rotates around the external thread end of the part; an external thread end of the corresponding part on the rotating end of the circumferential rotating device is provided with an angle adjusting device which moves relative to the external thread end of the part, and the adjusting end of the angle adjusting device is provided with an external thread visual detection camera; the utility model can shoot the external thread and the external thread end face of the part in 360 degrees in all directions, so as to realize the detection of the external thread and the external thread end face of the part, and effectively improve the detection efficiency and the detection precision.
Description
Technical Field
The utility model belongs to the technical field of external thread detection, and relates to an external thread detection device.
Background
For parts with external thread segments, it is necessary to detect the external threads of the external thread segments and the end faces of the external thread ends. In the prior art, the hand-held detector is usually adopted to manually scan and detect the external threads and the end faces of the external threads, so that the detection efficiency is low, and the problems of insufficient precision and incomplete detection result of the final detection result can be caused due to factors such as movement of the hand-held detector relative to a detection target, insufficient rotation angle of the hand-held detection and the like.
Therefore, the utility model discloses an external thread detection device aiming at the defects of low external thread and end surface detection efficiency and limited detection precision of an external thread hole in the prior art.
Disclosure of utility model
The utility model aims to provide an external thread detection device which can shoot external threads and external thread end faces of parts in 360 degrees in all directions, so that the detection of the external threads and the external thread end faces of the parts is realized, and the detection efficiency and the detection precision are effectively improved.
The utility model is realized by the following technical scheme:
The external thread detection device comprises a part carrier, wherein one end of the part carrier is provided with a main linear movement device corresponding to the external thread end of a part, the movement end of the main linear movement device is coaxially provided with an auxiliary linear movement device corresponding to the external thread end of the part, the movement end of the auxiliary linear movement device is provided with a circumferential rotation device, and the rotation end of the circumferential rotation device circumferentially rotates around the external thread end of the part; the angle adjusting device is arranged at the rotating end of the circumferential rotating device, the external thread end of the external thread end corresponding to the part moves relative to the external thread end of the part, and the external thread visual inspection camera is arranged at the adjusting end of the angle adjusting device.
The large-stroke high-speed linear movement towards the external thread end close to or far away from the part is realized through the main linear movement device, the small-stroke low-speed high-precision linear movement towards or far away from the external thread end of the part is realized through the auxiliary linear movement device, and then the external thread visual detection camera is driven to move to the end face detection position and the thread detection position, the external thread visual detection camera is moved to the end face detection position to shoot and detect the end face of the external thread end of the part, and the external thread visual detection camera is moved to the thread detection device to shoot and detect the external thread of the external thread end of the part. The circumferential rotation device drives the external thread visual inspection camera to rotate in the coaxial circumferential direction of the axis of the external thread end of the part, so that 360-degree omnibearing coverage shooting is carried out on the external thread end face and the external thread of the part. Simultaneously, adjust the inclination of external screw thread visual inspection camera's camera lens for the external screw thread end of part in real time through angle adjusting device at shooting in-process, and then guarantee that external screw thread visual inspection camera can shoot with suitable field of vision.
In order to better realize the utility model, the circumferential rotation device further comprises a mounting bracket, a rotation ring and a driving device, wherein the mounting bracket is arranged on the moving end of the auxiliary linear movement device, a mounting hole is coaxially arranged at the external thread end of the corresponding part on the mounting bracket, the rotation ring is rotationally arranged in the mounting hole, the driving device for driving the rotation ring to circumferentially rotate is arranged at one side of the rotation ring, and an external thread visual detection camera is arranged on the end surface of one side of the rotation ring, which is close to the part.
In order to better realize the utility model, the driving device further comprises a driving motor, an outer gear ring and a driving gear, wherein the driving motor is arranged on one side of the mounting bracket, the driving gear is sleeved on the output shaft of the driving motor, the outer gear ring is sleeved on the outer side of the rotating ring, and the outer gear ring is meshed with the driving gear.
In order to better realize the utility model, further, the main linear moving device comprises a protective cover, a main linear sliding rail, a main sliding block and a main linear air cylinder, wherein the main linear sliding rail is arranged parallel to the axis of the external thread end of the part, the main sliding block is arranged on the main linear sliding rail in a sliding way, the top of the main sliding block is provided with the protective cover, and the bottom of the protective cover is connected with a push rod of the main linear air cylinder; an opening is formed in one side, close to the part, of the protective cover, and an auxiliary linear movement device is arranged in the protective cover.
In order to better realize the utility model, further, the auxiliary linear movement device comprises an auxiliary linear sliding rail, an auxiliary sliding block, an auxiliary linear cylinder and an auxiliary installation frame, wherein the auxiliary linear sliding rail is arranged on the inner wall of the protective cover in parallel with the axis of the external thread end of the part, the auxiliary sliding block is arranged on the auxiliary linear sliding rail in a sliding manner, the auxiliary sliding block is connected with one side of the auxiliary installation frame, a circumferential rotation device is arranged at the center of the auxiliary installation frame, and one side of the auxiliary installation frame is connected with a push rod of the auxiliary linear cylinder.
In order to better realize the utility model, further, auxiliary linear sliding rails are symmetrically arranged on two sides of the inner wall of the bottom part of the protective cover and two sides of the inner wall of the top part of the protective cover.
In order to better realize the utility model, further, the angle adjusting device comprises a servo motor, an adjusting rotating plate and an adjusting installation seat, wherein the adjusting installation seat is connected with the rotating end of the circumferential rotating device, the adjusting installation seat comprises an installation plate parallel to the axis of the external thread end of the part, the servo motor and the adjusting rotating plate are respectively arranged on two opposite sides of the installation plate, the adjusting rotating plate is in rotating connection with the installation plate through a rotating shaft, an output shaft of the servo motor is connected with the rotating shaft, and an external thread visual inspection camera is arranged on one side of the adjusting rotating plate.
In order to better realize the utility model, further, the mounting plate is provided with an arc-shaped guide hole, and one side of the adjusting rotating plate is provided with a guide pin which extends into the arc-shaped guide hole and slides along the arc-shaped guide hole.
Compared with the prior art, the utility model has the following advantages:
(1) According to the utility model, the main linear moving device is arranged to drive the external thread visual inspection camera to conduct large-stroke high-speed linear feeding towards the external thread end of the part, so that the external thread visual inspection camera can be rapidly and efficiently close to the external thread end of the part, and the detection efficiency of the external thread end of the part is further improved; meanwhile, the auxiliary linear moving device is arranged to drive the external thread visual inspection camera to conduct small-stroke low-speed high-precision linear feeding towards the external thread end of the part, so that the position precision of the external thread visual inspection camera relative to the external thread end of the part is ensured, and the final shooting detection imaging effect is further ensured;
(2) According to the utility model, the circumferential rotating device is arranged to drive the external thread visual inspection camera to perform 360-degree omnibearing rotation around the external thread end of the part, and meanwhile, the main linear moving device and the auxiliary linear moving device are matched for linear feeding so as to drive the external thread visual inspection camera to perform 360-degree omnibearing shooting detection on the end face of the external thread end and the external thread surface of the part, thereby effectively avoiding the occurrence of missed detection;
(3) According to the utility model, the angle adjusting device is arranged to drive the lens shooting axis of the external thread visual inspection camera to rotate a certain angle relative to the axis of the external thread end of the part, so that the shooting visual angle of the external thread visual inspection camera is adjusted, the external thread visual inspection camera is ensured to shoot the external thread end of the part in a proper imaging visual angle, and the finally shot and detected image is clearer and more accurate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an external thread detecting device;
FIG. 2 is a schematic structural view of a circumferential rotation device;
FIG. 3 is a schematic diagram of a main linear mobile device;
FIG. 4 is a schematic diagram of an auxiliary linear motion device;
Fig. 5 is a schematic structural view of the angle adjusting device.
Wherein: 1-part carrier; 2-a primary linear mobile device; 3-an auxiliary linear movement device; 4-a circumferential rotation device; 5-an angle adjusting device; 6-an external thread visual inspection camera; 21-a protective cover; 22-a primary linear slide; 23-a main slider; 24-a main linear cylinder; 31-auxiliary linear slide rail; 32-an auxiliary slide block; 33-an auxiliary linear cylinder; 41-mounting a bracket; 42-rotating a ring; 43-drive means; 51-a servo motor; 52-adjusting the rotating plate; 53-adjusting the mounting base; 431-driving the motor; 432-outer ring gear; 433-drive gear.
Detailed Description
The following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the utility model clearly indicates otherwise, and it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
For convenience of description, the words "upper", "lower", "left" and "right" in the present utility model, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "mounted," "connected," "secured," and the like are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral body, for example; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.
Example 1:
An external thread detection device of the embodiment, as shown in fig. 1, includes a part carrier 1, wherein a main linear movement device 2 is arranged at one end of the part carrier 1 corresponding to an external thread end of a part, an auxiliary linear movement device 3 is coaxially arranged at a movement end of the main linear movement device 2 corresponding to the external thread end of the part, a circumferential rotation device 4 is arranged at the movement end of the auxiliary linear movement device 3, and the rotation end of the circumferential rotation device 4 circumferentially rotates around the external thread end of the part; the external thread end of the corresponding part on the rotating end of the circumferential rotating device 4 is provided with an angle adjusting device 5 which moves relative to the external thread end of the part, and the adjusting end of the angle adjusting device 5 is provided with an external thread visual inspection camera 6.
The part carrier 1 comprises a supporting base, a fixing clamp for clamping the part is arranged at the top of the supporting base, and the fixing clamp can be correspondingly arranged or selected according to the appearance of the part. After the part is fixed on the top of the part carrier 1, the external thread end of the part can be detected.
The moving end of the main linear moving device 2 moves linearly along the axis direction parallel to the part, and the main linear moving device 2 can drive the auxiliary linear moving device 3 and the circumferential rotating device 4 to be close to or far away from the external thread end of the part rapidly with larger travel and moving speed, so that efficient axial feeding is realized. The auxiliary linear moving device 3 can drive the circumferential rotating device 4 to linearly feed and move towards the direction close to the external thread end of the part with smaller stroke and higher linear moving precision, so that the position precision of the external thread visual inspection camera 6 relative to the external thread end of the part is guaranteed.
The auxiliary linear moving device 3 drives the external thread visual inspection camera 6 to move to the end face inspection position of the external thread end of the corresponding part and the external thread inspection position of the corresponding part. When the external thread visual inspection camera 6 moves to an end face detection position, the external thread visual inspection camera 6 is driven by the circumferential rotation device 4 to rotate for shooting at 360 degrees relative to the external thread end face of the part so as to shoot and detect the external thread end face of the part; when the external thread visual inspection camera 6 moves to an external thread inspection position, the external thread visual inspection camera 6 is driven by the circumferential rotation device 4 to rotate for 360 degrees relative to the external thread of the part so as to carry out shooting and inspection on the external thread of the part.
Meanwhile, in the process that the circumferential rotation device 4 drives the external thread visual inspection camera 6 to rotate, the angle adjusting device 5 drives the external thread visual inspection camera 6 to rotate relative to the axis of the external thread end of the part, and then the included angle between the lens shooting axis of the external thread visual inspection camera 6 and the axis of the external thread end of the part is adjusted, so that the lens of the external thread visual inspection camera 6 can shoot in a proper visual field, and the condition that the imaging quality is poor due to the fact that the shooting angle is too small or too large is avoided.
Example 2:
The external thread detection device of this embodiment is improved on the basis of embodiment 1, as shown in fig. 2, the circumferential rotation device 4 includes a mounting bracket 41, a rotation ring 42 and a driving device 43, the mounting bracket 41 is arranged on the moving end of the auxiliary linear movement device 3, a mounting hole is coaxially arranged on the mounting bracket 41 corresponding to the external thread end of the part, the rotation ring 42 is rotatably arranged in the mounting hole, the driving device 43 for driving the rotation ring 42 to rotate circumferentially is arranged on one side of the rotation ring 42, and the external thread visual detection camera 6 is arranged on the end face of the rotation ring 42 close to one side of the part.
The mounting bracket 41 is coaxially provided with a mounting hole at the external thread end of the corresponding part, a turntable bearing is coaxially arranged in the mounting hole, and a rotating ring 42 is arranged in the inner hole of the turntable bearing. The driving device 43 drives the rotating ring 42 to rotate, and the rotating ring 42 drives the external thread visual inspection camera 6 to rotate circumferentially.
Further, the driving device 43 includes a driving motor 431, an outer gear ring 432, and a driving gear 433, the driving motor 431 is disposed on one side of the mounting bracket 41, the driving gear 433 is sleeved on an output shaft of the driving motor 431, the outer gear ring 432 is sleeved on an outer side of the rotating ring 42, and the outer gear ring 432 is meshed with the driving gear 433.
The end surface of one side of the mounting bracket 41 far away from the part is provided with a driving motor 431 through a connecting flange, the output shaft of the driving motor 431 is sleeved with a driving gear 433, and the driving gear 433 is meshed and connected with an outer gear ring 432 sleeved on the outer ring surface of the rotating ring 42. The driving gear 433 is driven to rotate by the driving motor 431, so that the outer gear ring 432 and the rotating ring 42 are driven to rotate circumferentially.
Other portions of this embodiment are the same as those of embodiment 1, and thus will not be described in detail.
Example 3:
An external thread detection device of the present embodiment is an improvement on the basis of embodiment 1 or 2, as shown in fig. 3, the main linear movement device 2 includes a protection cover 21, a main linear slide rail 22, a main slide block 23, and a main linear cylinder 24, wherein the main linear slide rail 22 is parallel to the axis of the external thread end of the part, the main slide rail 22 is slidably provided with the main slide block 23, the top of the main slide block 23 is provided with the protection cover 21, and the bottom of the protection cover 21 is connected with the push rod of the main linear cylinder 24; an opening is arranged on one side of the protective cover 21 close to the part, and an auxiliary linear movement device 3 is arranged in the protective cover 21.
The push rod of the main linear cylinder 24 can perform large-stroke and high-speed linear feeding movement, so that the protective cover 21 and the main sliding block 23 are driven to perform large-stroke and high-speed rapid feeding along the main linear sliding rail 22, the external thread visual inspection camera 6 can be rapidly close to the external thread end of the part, and the inspection efficiency is improved.
Further, the stroke of the main linear cylinder 24 is 150mm or more, and the linear feed speed of the main linear cylinder 24 is 20mm/s or more.
Other portions of this embodiment are the same as those of embodiment 1 or 2, and thus will not be described in detail.
Example 4:
An external thread detection device of this embodiment is improved on the basis of any one of embodiments 1 to 3, as shown in fig. 4, the auxiliary linear movement device 3 includes an auxiliary linear slide rail 31, an auxiliary slide block 32, an auxiliary linear cylinder 33, and an auxiliary mounting frame, the axis of the external thread end of the auxiliary linear slide rail 31 parallel to the part is disposed on the inner wall of the protective cover 21, the auxiliary slide rail 31 is slidably provided with the auxiliary slide block 32, the auxiliary slide block 32 is connected with one side of the auxiliary mounting frame, the circumferential rotation device 4 is disposed at the center of the auxiliary mounting frame, and one side of the auxiliary mounting frame is connected with the push rod of the auxiliary linear cylinder 33.
The push rod of the auxiliary linear cylinder 33 can perform small-stroke, low-speed and high-precision linear feeding movement, so that the circumferential rotation device 4 and the external thread visual inspection camera 6 are driven to perform accurate linear feeding relative to the external thread end of the part, the position precision of the external thread visual inspection camera 6 relative to the external thread end of the part is ensured, and the precision of the external thread end detection through the external thread visual inspection camera 6 is finally ensured.
Further, the stroke of the auxiliary linear cylinder 33 is 50mm or less, the linear feed speed of the auxiliary linear cylinder 33 is 3mm/s or less, and the linear feed accuracy of the auxiliary linear cylinder 33 is + -0.1 mm.
Further, auxiliary linear sliding rails 31 are symmetrically arranged on two sides of the bottom inner wall and two sides of the top inner wall of the protective cover 21, and four auxiliary linear sliding rails 31 form a linear guide structure with a four-corner structure, so that linear feeding of the auxiliary mounting frame is smoother and more stable.
Other portions of this embodiment are the same as any of embodiments 1 to 3, and thus will not be described in detail.
Example 5:
An external thread detection device of this embodiment is improved on the basis of any one of embodiments 1 to 4, as shown in fig. 5, the angle adjustment device 5 includes a servo motor 51, an adjustment rotating plate 52, and an adjustment mounting seat 53, the adjustment mounting seat 53 is connected with a rotating end of the circumferential rotation device 4, the adjustment mounting seat 53 includes a mounting plate parallel to an axis of an external thread end of a part, the servo motor 51 and the adjustment rotating plate 52 are respectively provided on opposite sides of the mounting plate, the adjustment rotating plate 52 is rotationally connected with the mounting plate through a rotating shaft, an output shaft of the servo motor 51 is connected with the rotating shaft, and the external thread visual detection camera 6 is mounted on one side of the adjustment rotating plate 52.
The servo motor 51 drives the rotating shaft to rotate, and the adjusting rotating plate 52 is driven to rotate around the rotating shaft relative to the adjusting installation seat 53, so that the included angle between the shooting axis of the lens of the external thread visual inspection camera 6 and the axis of the external thread end of the part is adjusted, and the included angle between the shooting axis and the axis of the external thread end of the part is ensured to be 15-85 degrees.
Further, the mounting panel is provided with the arc guiding hole, adjusts the one side of rotor plate 52 and is provided with and extends to inside the arc guiding hole and along the gliding guide pin of arc guiding hole, when adjusting rotor plate 52 and rotate round the pivot, can drive the guide pin and slide along the arc guiding hole, carries out the rotation of adjusting rotor plate 52 through the sliding fit of guide pin and arc guiding hole and leads for it is more smooth and stable to adjust rotor plate 52's rotation. Meanwhile, the rotation angle of the rotating plate 52 is regulated by limiting the travel of the arc-shaped guide holes, so that the rotating plate 52 is prevented from rotating to be in a position.
Other portions of this embodiment are the same as any of embodiments 1 to 4, and thus will not be described in detail.
The above is only a preferred embodiment of the present utility model, and the present utility model is not limited in any way, and any simple modification and equivalent changes of the above embodiments according to the technical substance of the present utility model fall within the protection scope of the present utility model.
Claims (8)
1. The external thread detection device comprises a part carrier (1), and is characterized in that a main linear movement device (2) is arranged at one end of the part carrier (1) corresponding to the external thread end of a part, an auxiliary linear movement device (3) is coaxially arranged at the movement end of the main linear movement device (2) corresponding to the external thread end of the part, a circumferential rotation device (4) is arranged at the movement end of the auxiliary linear movement device (3), and the rotation end of the circumferential rotation device (4) circumferentially rotates around the external thread end of the part; the angle adjusting device (5) moving relative to the external thread end of the part is arranged at the external thread end of the corresponding part on the rotating end of the circumferential rotating device (4), and an external thread visual detection camera (6) is arranged at the adjusting end of the angle adjusting device (5).
2. The external thread detection device according to claim 1, wherein the circumferential rotation device (4) comprises a mounting bracket (41), a rotation ring (42) and a driving device (43), the mounting bracket (41) is arranged on the moving end of the auxiliary linear movement device (3), a mounting hole is coaxially arranged on the mounting bracket (41) corresponding to the external thread end of the part, the rotation ring (42) is rotatably arranged in the mounting hole, the driving device (43) for driving the rotation ring (42) to circumferentially rotate is arranged on one side of the rotation ring (42), and the external thread visual detection camera (6) is arranged on the end face, close to one side of the part, of the rotation ring (42).
3. The external thread detection device according to claim 2, wherein the driving device (43) comprises a driving motor (431), an external gear (432) and a driving gear (433), the driving motor (431) is arranged on one side of the mounting bracket (41), the driving gear (433) is sleeved on an output shaft of the driving motor (431), an external gear ring (432) is sleeved on the outer side of the rotating ring (42), and the external gear ring (432) is meshed with the driving gear (433).
4. A male screw detection device according to any of claims 1-3, characterized in that the main linear movement device (2) comprises a protective cover (21), a main linear slide rail (22), a main slide block (23) and a main linear cylinder (24), wherein the main linear slide rail (22) is arranged parallel to the axis of the male screw end of the part, the main slide block (23) is arranged on the main linear slide rail (22) in a sliding manner, the top of the main slide block (23) is provided with the protective cover (21), and the bottom of the protective cover (21) is connected with a push rod of the main linear cylinder (24); an opening is formed in one side, close to the part, of the protective cover (21), and an auxiliary linear movement device (3) is arranged in the protective cover (21).
5. The external thread detection device according to claim 4, wherein the auxiliary linear movement device (3) comprises an auxiliary linear slide rail (31), an auxiliary slide block (32), an auxiliary linear cylinder (33) and an auxiliary installation frame, an axis of the external thread end of the auxiliary linear slide rail (31) parallel to the part is arranged on the inner wall of the protective cover (21), the auxiliary slide rail (31) is provided with the auxiliary slide block (32) in a sliding manner, the auxiliary slide block (32) is connected with one side of the auxiliary installation frame, the circumferential rotation device (4) is arranged at the center of the auxiliary installation frame, and one side of the auxiliary installation frame is connected with a push rod of the auxiliary linear cylinder (33).
6. An external thread detecting device according to claim 5, wherein auxiliary linear slide rails (31) are symmetrically arranged on both sides of the bottom inner wall and both sides of the top inner wall of the protective cover (21).
7. A male screw detection arrangement according to any one of claims 1-3, characterized in that the angle adjusting means (5) comprises a servomotor (51), an adjusting rotation plate (52), an adjusting mounting seat (53), the adjusting mounting seat (53) being connected with the rotation end of the circumferential rotation means (4), the adjusting mounting seat (53) comprising a mounting plate parallel to the axis of the male screw end of the part, the opposite sides of the mounting plate being provided with a servomotor (51) and an adjusting rotation plate (52) respectively, the adjusting rotation plate (52) being rotatably connected with the mounting plate by means of a rotation shaft, the output shaft of the servomotor (51) being connected with the rotation shaft, the male screw visual inspection camera (6) being mounted on one side of the adjusting rotation plate (52).
8. An external thread detecting device according to claim 7, wherein the mounting plate is provided with an arc-shaped guide hole, and one side of the adjustment rotating plate (52) is provided with a guide pin extending into and sliding along the arc-shaped guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545704.4U CN220983128U (en) | 2023-09-19 | 2023-09-19 | External thread detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545704.4U CN220983128U (en) | 2023-09-19 | 2023-09-19 | External thread detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983128U true CN220983128U (en) | 2024-05-17 |
Family
ID=91039551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322545704.4U Active CN220983128U (en) | 2023-09-19 | 2023-09-19 | External thread detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983128U (en) |
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2023
- 2023-09-19 CN CN202322545704.4U patent/CN220983128U/en active Active
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