CN222617891U - Roundness measuring instrument - Google Patents
Roundness measuring instrument Download PDFInfo
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- CN222617891U CN222617891U CN202421067560.4U CN202421067560U CN222617891U CN 222617891 U CN222617891 U CN 222617891U CN 202421067560 U CN202421067560 U CN 202421067560U CN 222617891 U CN222617891 U CN 222617891U
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Abstract
本实用新型提供一种圆度仪，属于圆度仪领域，该种圆度仪，包括底板，底板顶部的中部开设有转槽，转槽的内壁上转动连接有转动台，转动台顶部的中部设有承载座，承载座的顶部开设有凹槽，凹槽的内壁上设有吸附组件，转动台顶部的两侧设有夹持组件。本实用：将圆球型零件放入凹槽内，固定座上的气泵配合输气管和连通管进行吸气，配合橡胶吸盘将圆球型零件的底部吸附固定，从而便于将其与承载座安装固定，以便于装置转动测量圆度时其发生晃动。
The utility model provides a roundness meter, belonging to the field of roundness meters, the roundness meter comprises a bottom plate, a rotating groove is provided in the middle of the top of the bottom plate, a rotating table is rotatably connected on the inner wall of the rotating groove, a bearing seat is provided in the middle of the top of the rotating table, a groove is provided on the top of the bearing seat, an adsorption component is provided on the inner wall of the groove, and clamping components are provided on both sides of the top of the rotating table. The utility model: a spherical part is placed in the groove, an air pump on the fixed seat cooperates with an air pipe and a connecting pipe to suck air, and cooperates with a rubber suction cup to adsorb and fix the bottom of the spherical part, so as to facilitate its installation and fixing with the bearing seat, so as to facilitate its shaking when the device rotates to measure the roundness.
Description
Technical Field
The utility model relates to the field of roundness measuring instruments, in particular to a roundness measuring instrument.
Background
Roundness is an important parameter of rotating parts, so that roundness of parts or products is often required to be measured in mechanical production, and the roundness measurement at the present stage is mainly: the roundness measuring instrument disclosed by the retrieval application number CN202320700360.7 is characterized by comprising a bottom plate, a workbench is arranged on the surface of the bottom plate, a supporting block is vertically arranged on one side of the top of the bottom plate through bolts, the supporting block and the axis of the workbench are positioned on the same horizontal line, a track is arranged on the top of the supporting block, the cross section of the track is T-shaped, an adjusting block A is slidably arranged on the upper surface of the track, a threaded rod is screwed on the surface of the adjusting block A, the threaded rod penetrates through the adjusting block A, an adjusting block B is slidably arranged on one end surface of the track, which is close to the workbench, of the threaded rod, one end of the threaded rod is arranged on the adjusting block B through a bearing, a knob is arranged on the other end of the threaded rod, and the inner ring and the outer ring of the bearing are respectively fixed through inclined rubber pressing plates, so that simultaneous measurement of the inner ring and the outer ring is realized, and data are prevented from being stacked due to errors, and a measurement result is ensured.
Disclosure of utility model
The utility model aims to provide a roundness measuring instrument for solving the problems set forth in the background art.
The roundness measuring instrument comprises a bottom plate, wherein a rotary groove is formed in the middle of the top of the bottom plate, a rotary table is rotatably connected to the inner wall of the rotary groove, a bearing seat is arranged in the middle of the top of the rotary table, a groove is formed in the top of the bearing seat, an adsorption assembly is arranged on the inner wall of the groove, and clamping assemblies are arranged on two sides of the top of the rotary table;
The adsorption component comprises a rubber sucker arranged on the inner wall of the groove, the bottom of the rubber sucker is fixedly connected with the top of the communicating pipe, the surface of the communicating pipe is connected with a cavity groove formed in the bearing seat in a penetrating mode, the other end of the communicating pipe is fixedly connected with a gas transmission pipe of the gas pump, the bottom of the gas pump is connected with a fixing seat in a clamping mode, the bottom of the fixing seat is clamped with the inner wall of a mounting groove formed in the other side of the top of the rotating table, mounting holes are formed in two sides of the top of the fixing seat, and the inner wall of each mounting hole is connected with threaded holes formed in two sides of the bottom of the inner wall of the mounting groove through bolts in a threaded mode.
The clamping assembly comprises two mounting sleeves which are arranged on two sides of the top of the rotating table, support rods are connected to the inner walls of the mounting sleeves in a sliding mode, two limiting holes are formed in the surfaces of the mounting sleeves, two limiting holes are formed in the inner walls of the limiting holes in a clamping mode through limiting pins and butt joint holes formed in the surfaces of the two support rods in a clamping mode, the top ends of the support rods are connected with the inner walls of shaft sleeves at the bottom of the fixing blocks in a rotating mode, locking rings are connected to the surfaces of the support rods in a threaded mode, the inner walls of the tops of the locking rings are connected with the surfaces of the bottom ends of the shaft sleeves in a threaded mode, first through holes are formed in the two sides of the fixing blocks in a threaded mode, and first adjusting screws are connected to the inner wall threads of the first through holes, and arc-shaped clamping blocks are fixedly connected to the other ends of the first adjusting screws.
As a preferable scheme of the utility model, one side of the top of the bottom plate is fixedly provided with a mounting block, one side of the mounting block is provided with a chute, the bottom of the inner wall of the chute is provided with a first electric telescopic rod, the telescopic end of the first electric telescopic rod is fixedly connected with an adjusting seat, the other side of the adjusting seat is connected with a mounting rod in a penetrating way, one end of the mounting rod is provided with a probe pen, and the other end of the mounting rod is fixedly connected with a second adjusting screw rod through the adjusting block.
As a preferable scheme of the utility model, a rotating hole is formed in the middle of the bottom of the inner wall of the rotating groove, the inner wall of the rotating hole is rotationally connected with an output shaft of a motor, the output shaft of the motor is fixedly connected with the middle of the bottom of a rotating table, and the bottom of the motor is fixedly connected with the middle of the bottom of a bottom plate through a base.
As a preferable scheme of the utility model, two guide rods are arranged on the inner wall of the adjusting seat, the surfaces of the two guide rods are connected with two through holes formed in the surface of the adjusting block in a penetrating way, a jack is formed in the middle of one side of the inner wall of the adjusting seat, the inner wall of the jack is connected with the surface of the mounting rod in a penetrating way, a second through hole is formed in the middle of the other side of the inner wall of the adjusting seat, and the inner wall of the second through hole is connected with the surface of a second adjusting screw in a threaded way.
The utility model adopts a preferable scheme that a mounting frame is arranged on the other side of the top of the bottom plate, moving grooves are formed in two sides of the inner wall of the mounting frame, the inner wall of the moving grooves is in sliding connection with moving blocks arranged on two sides of a moving seat, the bottom of the moving seat is fixedly connected with the bottom of the inner wall of the mounting frame through a second electric telescopic rod, third through holes are formed in two sides of the moving seat, third adjusting screws are connected with the inner wall threads of the third through holes, and one end of each third adjusting screw is provided with a detecting head.
As a preferable scheme of the utility model, four corners of the bottom plate are fixedly connected with rubber supports.
As a preferable scheme of the utility model, a control panel is arranged at the corner of one side of the top of the bottom plate, and the motor, the first electric telescopic rod and the second electric telescopic rod are electrically connected with an external power supply through the control panel.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The spherical part is placed in the groove, the air pump on the fixing seat is matched with the air pipe and the communicating pipe to suck air, and the bottom of the spherical part is adsorbed and fixed by the rubber sucker, so that the spherical part and the bearing seat are conveniently installed and fixed, and the spherical part can shake when the device rotates to measure roundness;
(2) Through two bracing pieces moving in two installation sleeves, insert spacing hole and the butt joint downthehole of two tops with two spacer pins to spacing fixed with installation sleeve and bracing piece, make two arc clamp splice be in the position that bears the seat top, two axle sleeves of two fixed block cooperation rotate on the surface on two bracing pieces tops simultaneously, when the position is fit for, with the inner wall of two locking rings and the surface threaded connection of two axle sleeves, thereby spacing fixed with the bracing piece with the fixed block, two first adjusting screw remove in the first perforation on two fixed blocks, drive two arc clamp splice and remove, make the inner wall and the surface block of cylindricality part of two arc clamp splice, thereby fix it, the stability of device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of a portion of the structure of the present utility model;
FIG. 4 is a schematic view of an adsorption module according to the present utility model;
Fig. 5 is a schematic structural view of a clamping assembly according to the present utility model.
The device comprises a base plate, 11, a rotary groove, 12, a rotary table, 13, a bearing seat, 14, a groove, 15, a cavity groove, 16, a mounting groove, 17, a threaded hole, 18, a mounting block, 19, a sliding groove, 110, a first electric telescopic rod, 111, an adjusting seat, 112, a mounting rod, 113, a probing pen, 114, an adjusting block, 115, a second adjusting screw, 116, a rotary hole, 117, a motor, 118, a base, 119, a guide rod, 120, a through hole, 121, a jack, 122, a second through hole, 123, a mounting frame, 124, a movable seat, 125, a second electric telescopic rod, 126, a third through hole, 127, a third adjusting screw, 128, a probing head, 129, a rubber support, 130, a control panel, 2, an adsorption component, 21, a rubber suction cup, 22, a communicating pipe, 23, an air pump, 24, an air pipe, 25, a fixed seat, 26, a mounting hole, 27, a bolt, 3, a clamping component, 31, a mounting sleeve, 32, a supporting rod, 33, a limiting hole, 34, a limiting pin, 35, a butt joint hole, 36, a fixing block, 37, a locking ring, 39, a clamping block, a first through hole, 310 and an arc-shaped adjusting screw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a roundness measuring apparatus includes a base plate 1, a rotary groove 11 is provided in the middle of the top of the base plate 1, a rotary table 12 is rotatably connected to the inner wall of the rotary groove 11, a bearing seat 13 is provided in the middle of the top of the rotary table 12, a groove 14 is provided in the top of the bearing seat 13, an adsorption component 2 is provided on the inner wall of the groove 14, and clamping components 3 are provided on two sides of the top of the rotary table 12;
Referring to fig. 4, referring to the adsorption assembly 2, the adsorption assembly 2 includes a rubber suction cup 21 mounted on an inner wall of the recess 14, a bottom of the rubber suction cup 21 is fixedly connected with a top of a communicating tube 22, a surface of the communicating tube 22 is connected with a cavity 15 formed in the bearing seat 13 in a penetrating manner, the other end of the communicating tube 22 is fixedly connected with a gas pipe 24 of an air pump 23, a bottom of the air pump 23 is connected with a fixing seat 25 in a clamping manner, a bottom of the fixing seat 25 is clamped with an inner wall of a mounting groove 16 formed in the other side of the top of the rotating table 12, mounting holes 26 are formed in two sides of the top of the fixing seat 25, and the inner wall of the mounting hole 26 is connected with threaded holes 17 formed in two sides of the bottom of the inner wall of the mounting groove 16 in a threaded manner through bolts 27.
When the device is specifically used, the spherical part is placed in the groove 14, the air pump 23 on the fixed seat 25 is matched with the air pipe 24 and the communicating pipe 22 to suck air, the bottom of the spherical part is matched with the rubber sucker 21 to be adsorbed and fixed, the spherical part and the bearing seat 13 are conveniently installed and fixed, the spherical part can shake when the device rotates to measure roundness, and the two bolts 27 are inserted into the two mounting holes 26 and the threaded holes 17, so that the fixed seat 25 and the rotating table 12 are conveniently installed and detached.
Referring to fig. 5, referring to the clamping assembly 3, the clamping assembly 3 includes two mounting sleeves 31 mounted on two sides of the top of the rotating table 12, support rods 32 are slidably connected to inner walls of the two mounting sleeves 31, two limiting holes 33 are formed in surfaces of the two mounting sleeves 31, inner walls of the two limiting holes 33 are respectively connected with butt joint holes 35 formed in surfaces of the two support rods 32 through limiting pins 34 in a clamping manner, top ends of the support rods 32 are rotatably connected with inner walls of shaft sleeves 37 at the bottom of a fixed block 36, locking rings 38 are in threaded connection with surfaces of bottom ends of the shaft sleeves 37, inner walls of tops of the locking rings 38 are in threaded connection with surfaces of bottom ends of the shaft sleeves 37, first through holes 39 are formed in two sides of the fixed block 36, first adjusting screws 310 are in threaded connection with inner walls of the first through holes 39, and arc-shaped clamping blocks 311 are fixedly connected to the other ends of the first adjusting screws 310.
When the two support rods 32 are in specific use, the two support rods 32 move in the two mounting sleeves 31, the two limiting pins 34 are inserted into the limiting holes 33 and the butt joint holes 35 above the two support rods 32, so that the mounting sleeves 31 and the support rods 32 are limited and fixed, the two arc-shaped clamping blocks 311 are positioned at the top of the bearing seat 13, meanwhile, the two fixing blocks 36 are matched with the two shaft sleeves 37 to rotate on the surfaces of the top ends of the two support rods 32, when the positions are proper, the inner walls of the two locking rings 38 are in threaded connection with the surfaces of the two shaft sleeves 37, so that the support rods 32 are limited and fixed with the fixing blocks 36, the two first adjusting screws 310 move in the first through holes 39 on the two fixing blocks 36 to drive the two arc-shaped clamping blocks 311 to move, so that the inner walls of the two arc-shaped clamping blocks 311 are clamped with the surfaces of cylindrical parts to fix the cylindrical parts, and when the structure is not used, the top of the fixing blocks 36 can not influence the movement of the third adjusting screws 127.
Referring to fig. 3, a mounting block 18 is fixedly mounted on one side of the top of the base plate 1, a sliding groove 19 is formed in one side of the mounting block 18, a first electric telescopic rod 110 is arranged at the bottom of the inner wall of the sliding groove 19, an adjusting seat 111 is fixedly connected to a telescopic end of the first electric telescopic rod 110, a mounting rod 112 is connected to the other side of the adjusting seat 111 in a penetrating manner, a pen 113 is arranged at one end of the mounting rod 112, and the other end of the mounting rod 112 is fixedly connected with a second adjusting screw 115 through an adjusting block 114.
When the device is particularly used, the first electric telescopic rod 110 drives the adjusting seat 111 to move in the sliding groove 19 to adjust the height of the bottom of the probe 113, the second adjusting screw 115 drives the adjusting block 114 to move on the surface of the guide rod 119, and the adjusting block 114 is matched with the mounting rod 112 to drive the probe 113 to move, so that the bottom of the probe is contacted with the surface of a part.
Referring to fig. 2, a rotary hole 116 is formed in the middle of the bottom of the inner wall of the rotary groove 11, the inner wall of the rotary hole 116 is rotationally connected with an output shaft of a motor 117, the output shaft of the motor 117 is fixedly connected with the middle of the bottom of the rotary table 12, and the bottom of the motor 117 is fixedly connected with the middle of the bottom plate 1 through a base 118.
In specific use, the motor 117 on the base 118 drives the rotary table 12 to rotate in the rotary groove 11, thereby facilitating the rotation of the driven parts.
Referring to fig. 3, two guide rods 119 are disposed on the inner wall of the adjusting seat 111, two through holes 120 are disposed on the surfaces of the two guide rods 119 and the surface of the adjusting block 114, an insertion hole 121 is disposed in the middle of one side of the inner wall of the adjusting seat 111, the inner wall of the insertion hole 121 is disposed on the surface of the mounting rod 112, a second through hole 122 is disposed in the middle of the other side of the inner wall of the adjusting seat 111, and the inner wall of the second through hole 122 is in threaded connection with the surface of the second adjusting screw 115.
In specific use, the adjusting block 114 is matched with the two through holes 120 to slide on the surfaces of the two guide rods 119, so that the movement of the probe pen 113 is conveniently limited.
Referring to fig. 3, a mounting frame 123 is disposed on the other side of the top of the bottom plate 1, moving grooves are disposed on two sides of an inner wall of the mounting frame 123, moving blocks are slidably connected to the inner wall of the moving grooves and the two sides of the moving seat 124, the bottom of the moving seat 124 is fixedly connected to the bottom of the inner wall of the mounting frame 123 through a second electric telescopic rod 125, third through holes 126 are disposed on two sides of the moving seat 124, third adjusting screws 127 are in threaded connection with the inner walls of the third through holes 126, and a detecting head 128 is disposed at one end of each third adjusting screw 127.
In particular use, the second electric telescopic rod 125 drives the moving seat 124 to move on the inner wall of the mounting frame 123, and the third adjusting screw 127 moves in the third through hole 126 on the moving seat 124, so that the probe 128 contacts the surface of the part.
Referring to fig. 2, rubber supports 129 are fixedly connected to four corners of the bottom of the base plate 1.
In specific use, the plurality of rubber supports 129 at the bottom of the bottom plate 1 are convenient for supporting and fixing the structure of the device.
Referring to fig. 1, a control panel 130 is disposed at a corner of a top portion of the base plate 1, and the motor 117, the first electric telescopic rod 110 and the second electric telescopic rod 125 are electrically connected to an external power source through the control panel 130.
In particular use, the control panel 130 is utilized to control the motor 117, the first electric telescopic rod 110 and the second electric telescopic rod 125, thereby facilitating roundness detection of different types of parts by the device.
During the use, put into recess 14 with the ball type part, the air pump 23 on the fixing base 25 cooperates gas-supply pipe 24 and communicating pipe 22 to inhale, cooperate rubber sucking disc 21 to adsorb fixedly with the bottom of ball type part, be convenient for install it with bear seat 13 fixedly, it takes place to rock when being convenient for the device rotation measurement circularity, two bracing pieces 32 remove in two installation sleeves 31, insert two spacer pins 34 in spacing hole 33 and the butt joint hole 35 of two top, thereby with installation sleeve 31 and bracing piece 32 spacing fixed, make two arc clamp pieces 311 be in the position that bears the top of seat 13, two fixed blocks 36 cooperate two axle sleeve 37 to rotate on the surface on two bracing piece 32 tops, when the position is suitable with the inner wall of two locking rings 38 and the surface threaded connection of two axle sleeve 37, thereby with bracing piece 32 and fixed block 36 spacing fixed, two first adjusting screw 310 remove in the first through hole 39 on two fixed blocks 36, drive two arc clamp pieces 311 remove, make the inner wall and the cylindricality part of two arc clamp pieces 311 block, fix it.
Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The roundness measuring instrument is characterized by comprising a bottom plate (1), wherein a rotary groove (11) is formed in the middle of the top of the bottom plate (1), a rotary table (12) is rotatably connected to the inner wall of the rotary groove (11), a bearing seat (13) is arranged in the middle of the top of the rotary table (12), a groove (14) is formed in the top of the bearing seat (13), an adsorption component (2) is arranged on the inner wall of the groove (14), and clamping components (3) are arranged on two sides of the top of the rotary table (12);
The adsorption component (2), adsorption component (2) is including installing rubber suction cup (21) on recess (14) inner wall, the bottom of rubber suction cup (21) and the top fixed connection of communicating pipe (22), the surface of communicating pipe (22) is connected with cavity groove (15) that bear seat (13) inside seted up in the interlude, the other end of communicating pipe (22) is connected with gas-supply pipe (24) fixed connection of air pump (23), the bottom and fixing base (25) block of air pump (23) are connected, the mounting groove (16) inner wall block that the bottom and rotation table (12) top opposite side were seted up, mounting hole (26) have all been seted up to the both sides at fixing base (25) top, threaded hole (17) threaded connection that screw bolt (27) and mounting groove (16) inner wall bottom both sides were all seted up to the inner wall inner wall through;
Clamping component (3), clamping component (3) are including installing two installation sleeves (31) in rolling table (12) top both sides, two equal sliding connection has bracing piece (32) on the inner wall of installation sleeve (31), two spacing hole (33) have all been seted up on the surface of installation sleeve (31), two butt joint hole (35) block connection that spacing hole (33) inner wall all had been seted up through spacer pin (34) and two bracing piece (32) surfaces, the top of bracing piece (32) is connected with the inner wall rotation of fixed block (36) bottom axle sleeve (37), the surface threaded connection of bracing piece (32) has locking ring (38), the inner wall at locking ring (38) top and the surface threaded connection of axle sleeve (37) bottom, first perforation (39) have been seted up to the both sides of fixed block (36), the inner wall threaded connection of first perforation (39) has first adjusting screw (310), the other end fixedly connected with arc clamp splice (311) of first adjusting screw (310).
2. The roundness measuring instrument of claim 1, wherein one side of the top of the bottom plate (1) is fixedly provided with a mounting block (18), one side of the mounting block (18) is provided with a sliding groove (19), the bottom of the inner wall of the sliding groove (19) is provided with a first electric telescopic rod (110), the telescopic end of the first electric telescopic rod (110) is fixedly connected with an adjusting seat (111), the other side of the adjusting seat (111) is connected with a mounting rod (112) in a penetrating way, one end of the mounting rod (112) is provided with a probe pen (113), and the other end of the mounting rod (112) is fixedly connected with a second adjusting screw (115) through the adjusting block (114).
3. The roundness measuring instrument of claim 1, wherein a rotary hole (116) is formed in the middle of the bottom of the inner wall of the rotary groove (11), the inner wall of the rotary hole (116) is rotationally connected with an output shaft of a motor (117), the output shaft of the motor (117) is fixedly connected with the middle of the bottom of the rotary table (12), and the bottom of the motor (117) is fixedly connected with the middle of the bottom plate (1) through a base (118).
4. The roundness measuring instrument of claim 2, wherein two guide rods (119) are arranged on the inner wall of the adjusting seat (111), two through holes (120) are formed in the surfaces of the guide rods (119) and the adjusting block (114), an inserting hole (121) is formed in the middle of one side of the inner wall of the adjusting seat (111), the inner wall of the inserting hole (121) is connected with the surface of the mounting rod (112) in an inserting mode, a second through hole (122) is formed in the middle of the other side of the inner wall of the adjusting seat (111), and the inner wall of the second through hole (122) is in threaded connection with the surface of the second adjusting screw (115).
5. The roundness measuring instrument of claim 1, wherein the mounting frame (123) is arranged on the other side of the top of the bottom plate (1), moving grooves are formed in two sides of the inner wall of the mounting frame (123), the inner wall of the moving grooves is in sliding connection with moving blocks arranged on two sides of the moving seat (124), the bottom of the moving seat (124) is fixedly connected with the bottom of the inner wall of the mounting frame (123) through a second electric telescopic rod (125), third through holes (126) are formed in two sides of the moving seat (124), third adjusting screws (127) are connected with the inner wall threads of the third through holes (126), and detection heads (128) are arranged at one ends of the third adjusting screws (127).
6. The roundness measuring instrument according to claim 1, wherein rubber supports (129) are fixedly connected to four corners of the bottom plate (1).
7. The roundness measuring instrument according to claim 3, wherein a control panel (130) is arranged at a corner of one side of the top of the bottom plate (1), and the motor (117), the first electric telescopic rod (110) and the second electric telescopic rod (125) are electrically connected with an external power supply through the control panel (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421067560.4U CN222617891U (en) | 2024-05-16 | 2024-05-16 | Roundness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421067560.4U CN222617891U (en) | 2024-05-16 | 2024-05-16 | Roundness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222617891U true CN222617891U (en) | 2025-03-14 |
Family
ID=94882525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421067560.4U Active CN222617891U (en) | 2024-05-16 | 2024-05-16 | Roundness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222617891U (en) |
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2024
- 2024-05-16 CN CN202421067560.4U patent/CN222617891U/en active Active
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