CN215775023U - Anti-loss electric hand drill connecting device for drill rod for ice fishing - Google Patents
Anti-loss electric hand drill connecting device for drill rod for ice fishing Download PDFInfo
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- CN215775023U CN215775023U CN202122404730.6U CN202122404730U CN215775023U CN 215775023 U CN215775023 U CN 215775023U CN 202122404730 U CN202122404730 U CN 202122404730U CN 215775023 U CN215775023 U CN 215775023U
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Abstract
The utility model provides a drill rod anti-loss electric hand drill connecting device for ice fishing, which comprises a drill chuck, wherein the drill chuck comprises a drill body, a rotating sleeve and a clamping jaw, the clamping jaw is arranged on the drill body, the rotating sleeve is sleeved outside the drill body, the front end of the drill body extends out of the rotating sleeve to form a drill body connecting part, the drill rod anti-loss electric hand drill connecting device for ice fishing further comprises a transmission rod, the two ends of the transmission rod are respectively a prism-shaped clamping jaw connecting end matched with the drill chuck and a drill rod connecting end matched with a drill rod, the clamping jaw connecting end is matched and connected with the clamping jaw, and an axial positioning connecting mechanism is arranged between the transmission rod and the drill body connecting part. The drill chuck has the advantages that due to the adoption of the technical scheme, the axial limit can be effectively formed between the drill chuck and the drill rod, the drill rod is prevented from falling into the ice cave when the drill rod is taken out from the ice cave after the ice cave is excavated, and the drill chuck has the advantages of convenience in operation and stability in connection.
Description
Technical Field
The utility model relates to the technical field of electric drills, in particular to a lost-proof electric hand drill connecting device for a drill rod for ice fishing.
Background
Ice fishing is a leisure and entertainment activity, and is popular among northern people. The basic work in ice fishing activities is to dig one or more ice tunnels for fishing on an ice layer, the traditional ice tunnel is manually dug on the ice layer by a hammer head and a drill, the operation is time-consuming and labor-consuming, and along with the popularization of electric drills, especially the popularization of electric hand drills powered by batteries, people begin to use the electric hand drills to cooperate with drill rods to quickly dig the ice tunnels. The head of the drill rod in the prior art is provided with a drill bit, the tail of the drill rod is provided with a prismatic combination part which is used for being matched with a drill chuck of an electric hand drill, and the middle of the drill rod is provided with a spiral blade which is used for bringing drilled ice chips out of an ice layer.
The electric hand drill and the drill rod can well transmit the torque and the downward pressure of the electric hand drill to the drill bit of the drill rod through the matching of the drill chuck and the combining part for cutting ice holes, but the drill chuck and the combining part are only clamped by the clamping jaws of the drill chuck, and the tensile property (namely the property of preventing the drill rod from falling off from the clamping jaws) in the axial direction is only provided by the friction force between the clamping jaws and the combining part. After the ice cave is excavated, a large amount of ice scraps are accumulated on the helical blade of the drill rod, the self weight of the drill rod is improved, the friction force between the helical blade and the inner wall of the ice cave is greatly improved, the resistance for taking out the drill rod is improved, when the drill rod is taken out, the joint part of the drill rod is easily separated from the clamping jaw, and the drill rod is lost under the ice layer along the ice cave.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric drill connecting device which is used for ice fishing and can effectively prevent a drill rod from falling off and losing.
The technical scheme of the utility model is as follows:
the utility model provides an ice angles with drilling rod anti-loss electric hand drill connecting device, includes the drill chuck, the drill chuck is including boring body, rotatory cover and clamping jaw, the clamping jaw sets up on boring the body, and rotatory cover is overlapped in boring the body outside, and the front end of boring the body extends rotatory cover and forms and bore body connecting portion, ice angles with drilling rod anti-loss electric hand drill connecting device still includes the transfer line, the both ends of transfer line be respectively with the clamping jaw link of drill chuck matched with prism form and with drilling rod complex drilling rod link, the clamping jaw link is connected with the clamping jaw cooperation, is equipped with axial positioning coupling mechanism between transfer line and the boring body connecting portion.
The rear end of the drill chuck is connected with an electric hand drill, the torque of a motor in the electric hand drill is transmitted to the drill chuck through a transmission structure in the electric hand drill and is provided for the clamping jaw through a drill body of the drill chuck, and the clamping jaw transmits the torque to the drill rod through a transmission rod to enable the drill rod to rotate and drill ice holes in an ice layer. The front end of the drill rod is provided with a drill bit, the rear end of the drill rod is connected with the transmission rod, and the middle part of the drill rod is provided with a spiral blade.
Specifically, the drill chuck is a hand-tightened drill chuck, and a rotary sleeve extends out of the front end of a drill body of the drill chuck to form a drill body connecting part for being axially positioned and connected with the transmission rod. The axial positioning connecting mechanism is arranged between the transmission rod and the drill body, and compared with a clamping jaw connecting end which only clamps the transmission rod through a clamping jaw, the axial positioning connecting mechanism can prevent the transmission rod from being separated from the clamping jaw of the drill chuck due to insufficient friction force provided by the clamping jaw when the drill rod is lifted out of the ice cave, so that the drill rod is prevented from falling into the ice cave and being lost.
Specifically, axial positioning coupling mechanism is including setting up the spacing groove on boring body connecting portion global and setting up in the spacing sleeve of clamping jaw link, and the coaxial cover of spacing sleeve is in the clamping jaw link outside, is equipped with on the spacing sleeve with spacing groove matched with joint body. The limiting sleeve is fixedly connected with the transmission rod or axially positioned and connected with the transmission rod.
The limiting groove is an annular groove on the circumferential surface of the connecting part of the drill body, the clamping body can be clamped into and separated from the limiting groove, when the clamping body is clamped into the limiting groove, the clamping body limits the position between the transmission rod and the drill body in the axial direction of the drill body, and the front end of the transmission rod is connected with the drill rod through a pin, so that the drill rod, the transmission rod and the drill body are fixed in the axial direction of the drill body. After the clamping body is separated from the limiting groove, the clamping jaw loosens the clamping jaw connecting end of the transmission rod, and then the transmission rod can be separated from the drill body.
Preferably, the limiting sleeve comprises a limiting inner sleeve and a limiting outer sleeve which can slide relatively, the limiting inner sleeve is fixedly connected with the transmission rod, the inner diameter of the limiting inner sleeve is matched with the outer diameter of the connecting part of the drilling body, the side wall of the limiting inner sleeve is provided with a ball hole, the clamping body is a limiting ball arranged in the ball hole, the diameter of the limiting ball is larger than the wall thickness of the limiting inner sleeve at the ball hole, the limiting outer sleeve is coaxially sleeved on the outer side of the limiting inner sleeve, the inner wall of the limiting outer sleeve is provided with an inner limiting check ring, and the inner diameter of the inner limiting check ring is matched with the outer diameter of the limiting inner sleeve at the ball hole.
The ball hole is a through hole penetrating through the side wall of the limiting inner sleeve, and an opening of the ball hole in the inner side wall of the limiting inner sleeve is smaller than the diameter of the limiting ball, so that the limiting ball can extend out of the inner side of the limiting inner sleeve but cannot fall into the limiting inner sleeve. A gap is formed between the limiting inner sleeve and the limiting outer sleeve.
When the limiting device is used, the limiting inner sleeve and the limiting outer sleeve are relatively slid to enable the inner limiting check ring to be staggered with the ball hole, the drill body connecting part is inserted into the limiting inner sleeve to enable the limiting groove to be aligned with the ball hole, then the limiting inner sleeve and the limiting outer sleeve are relatively slid to enable the inner limiting check ring to be aligned with the ball hole, the limiting ball is pressed into the limiting groove, and therefore clamping connection is formed between the drill body connecting part and the limiting inner sleeve. When the clamping is required to be removed, the clamping can be removed only by dislocating the inner limiting retainer ring and the ball hole again, pulling the drill body and the transmission rod back to the outside, and releasing the limiting ball from the limiting groove.
Preferably, the first and second liquid crystal materials are,
the outer peripheral face of the end portion of the limiting inner sleeve is provided with an outer limiting check ring, the outer diameter of the outer limiting check ring is matched with the inner diameter of the limiting outer sleeve, a pressure spring is arranged between the outer limiting check ring and the inner limiting check ring, a clamp spring is arranged on the limiting inner sleeve, and the clamp spring is located on one side, far away from the pressure spring, of the inner limiting check ring.
The pressure spring supports interior spacing retaining ring on the jump ring all the time, and when spacing retaining ring supported on the jump ring, interior spacing retaining ring was aligned with the ball hole.
The drill rod connecting end and the clamping jaw connecting end of the transmission rod are connected through a telescopic pull rod, and pin holes are formed in two ends of each section of the telescopic pull rod respectively.
The length of the transmission rod can be adjusted by the telescopic pull rod, and the limit pins are inserted into the pin holes, so that the telescopic pull rod can be limited in the circumferential direction and the axial direction respectively between the sections, and pressure and torque are transmitted.
In another optional scheme of the utility model, the clamping body is a screw rod matched with the limiting groove, and the screw rod penetrates through the limiting sleeve and is in threaded connection with the limiting sleeve.
The screw rod is inserted into the limiting groove, the screw rod limits the position between the transmission rod and the drill body in the axial direction of the drill body, otherwise, the screw rod leaves the limiting groove, and the limiting is released.
In another optional scheme of the utility model, the axial positioning connection mechanism comprises external threads arranged on the peripheral surface of the drill body connection part, the clamping jaw connection end of the transmission rod is provided with a clamping sleeve nut at the outer side, and the internal threads of the clamping sleeve nut are matched with the external threads on the peripheral surface of the drill body connection part.
The inner side of one end of the cutting sleeve nut is provided with a nut limiting baffle ring, the middle part of the transmission rod, which is close to the clamping jaw connecting end, is provided with a limiting boss, the limiting boss is matched with the nut limiting baffle ring of the cutting sleeve nut to ensure that the cutting sleeve nut can only rotate relative to the transmission rod and can not be separated from the clamping jaw connecting end of the transmission rod, the other end of the cutting sleeve nut is connected with the external thread of the drill body connecting part, and further the axial limiting of the drill body connecting part and the transmission rod is realized.
In another alternative of the utility model, the axial positioning connection mechanism is a snap arranged between the drill body connection part and the transmission rod. The circumferential surface of the drill body connecting part is provided with a hasp bulge matched with the hasp.
And a transmission rod pin hole perpendicular to the axis of the transmission rod is formed in the connecting end of the drill rod and is a threaded hole.
The tip of drilling rod is hollow structure, and the external diameter of drilling rod link matches with the internal diameter of drilling rod, is equipped with the pinhole on the tip lateral wall of drilling rod equally, and the drilling rod link of transfer line is pegged graft with the drilling rod is coaxial, carries out spacing of axial and circumference through the round pin.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, the drill chuck can effectively limit the drill rod in the axial direction between the drill chuck and the drill rod, and after the ice cave is excavated, the drill rod is prevented from falling into the ice cave when the drill rod is taken out from the ice cave, so that the drill chuck has the advantages of convenience in operation and stability in connection.
Drawings
FIG. 1 is a schematic view of the structure of example 1
FIG. 2 is a schematic sectional view of example 1
FIG. 3 is an exploded view of example 1
In the figure:
1. rotating sleeve 2, clamping jaw 3 and drill body
4. Transmission rod 31, drill body connecting part 41 and clamping jaw connecting end
42. Drill rod connecting end 51, limiting inner sleeve 52 and limiting outer sleeve
53. Ball hole 54, limiting ball 55 and pressure spring
56. Circlip 311, limiting groove 421 and pin hole
511. Outer limiting retainer ring 521 and inner limiting retainer ring
Detailed Description
Example 1:
the utility model provides an ice angles with drilling rod anti-loss electric hand drill connecting device, includes the drill chuck, the drill chuck is including boring body 3, rotatory cover 1 and clamping jaw 2, clamping jaw 2 sets up on boring body 1, and rotatory cover 1 overlaps in boring the body outside, and the front end of boring body 3 extends rotatory cover 1 and forms and bores body connecting portion 31, ice angles with drilling rod anti-loss electric hand drill connecting device still includes transfer line 4, the both ends of transfer line 4 respectively for with the clamping jaw link 41 of drill chuck matched with prism form and with drilling rod complex drilling rod link 42, clamping jaw link 41 is connected with the clamping jaw cooperation, is equipped with axial positioning coupling mechanism between transfer line 4 and the drilling body connecting portion 31.
Specifically, axial positioning coupling mechanism is including setting up spacing groove 311 on boring body connecting portion 31 global and setting up in the spacing sleeve of clamping jaw link 41, and the coaxial cover of spacing sleeve is in the clamping jaw link outside, is equipped with on the spacing sleeve with spacing groove 311 matched with joint body.
Further, the limiting sleeve comprises a limiting inner sleeve 51 and a limiting outer sleeve 52 which can slide relatively, the limiting inner sleeve 51 is connected with the transmission rod 4, the inner diameter of the limiting inner sleeve 51 is matched with the outer diameter of the connecting part 31 of the drill body, a ball hole 53 is formed in the side wall of the limiting inner sleeve 51, the clamping body is a limiting ball 54 arranged in the ball hole, the diameter of the limiting ball 54 is larger than the wall thickness of the limiting inner sleeve 51 at the ball hole 53, the limiting outer sleeve 52 is coaxially sleeved outside the limiting inner sleeve 51, an inner limiting retainer ring 521 is arranged on the inner wall of the limiting outer sleeve 52, and the inner diameter of the inner limiting retainer ring 521 is matched with the outer diameter of the limiting inner sleeve 51 at the ball hole.
Further, an outer limiting stop ring 511 is arranged on the outer peripheral surface of the end portion of the limiting inner sleeve 51, the outer diameter of the outer limiting stop ring 511 is matched with the inner diameter of the limiting outer sleeve 52, a pressure spring 55 is arranged between the outer limiting stop ring 511 and the inner limiting stop ring 521, a clamp spring 56 is arranged on the limiting inner sleeve, and the clamp spring 56 is located on one side, away from the pressure spring 55, of the inner limiting stop ring 521.
The drill rod connecting end 42 is provided with a transmission rod pin hole 421 perpendicular to the axis of the transmission rod, and the transmission rod pin hole 421 is a threaded hole.
The working process of the example is as follows: when the limiting device is used, the limiting outer sleeve 52 slides towards the drill rod connecting end 42, the inner limiting check ring 521 is staggered with the ball hole 53, the clamping jaw connecting end 41 of the transmission rod is inserted between the clamping jaws 2 in the drill body, the drill body connecting portion 31 is inserted into the limiting inner sleeve 51, the limiting outer sleeve 52 is loosened, the inner limiting check ring 521 is aligned with the ball hole 53 under the action of the pressure spring 55, the limiting ball 54 is pressed into the limiting groove 311 of the drill body connecting portion 31, and the drill body and the transmission rod are limited in the axial direction of the drill body. Then the screw of the drill chuck is rotated to enable the clamping jaw 2 to clamp the clamping jaw connecting end 41. The drill rod connection end 42 is connected to the drill rod by a locking pin. Through the actions, the drill chuck, the transmission rod and the drill rod of the electric hand drill are coaxially connected, and locking is formed in the circumferential direction and the axial direction.
When the drill rod is disassembled, the pin connection of the transmission rod and the drill rod, the clamping of the clamping jaw and the clamping jaw connecting end and the axial locking of the drill rod connecting part and the transmission rod are respectively released, and the disassembly process is simple and convenient.
Example 2
The utility model provides an ice angles with drilling rod anti-loss electric hand drill connecting device, includes the drill chuck, the drill chuck is including boring body, rotatory cover and clamping jaw, the clamping jaw sets up on boring the body, and rotatory cover is overlapped in boring the body outside, and the front end of boring the body extends rotatory cover and forms and bore body connecting portion, ice angles with drilling rod anti-loss electric hand drill connecting device still includes the transfer line, the both ends of transfer line be respectively with the clamping jaw link of drill chuck matched with prism form and with drilling rod complex drilling rod link, the clamping jaw link is connected with the clamping jaw cooperation, is equipped with axial positioning coupling mechanism between transfer line and the boring body connecting portion.
The axial positioning connecting mechanism comprises a limiting groove arranged on the circumferential surface of the connecting part of the drill body and a limiting sleeve arranged at the connecting end of the clamping jaw, the limiting sleeve is coaxially sleeved at the outer side of the connecting end of the clamping jaw, and a clamping body matched with the limiting groove is arranged on the limiting sleeve.
Furthermore, the clamping body is a screw rod matched with the limiting groove, and the screw rod penetrates through the limiting sleeve and is in threaded connection with the limiting sleeve.
And a transmission rod pin hole perpendicular to the axis of the transmission rod is formed in the connecting end of the drill rod and is a threaded hole.
The axial positioning connection of the drill body connecting part and the transmission rod can be realized by inserting the screw rod into the limiting groove and separating the screw rod from the limiting groove.
Example 3
The utility model provides an ice angles with drilling rod anti-loss electric hand drill connecting device, includes the drill chuck, the drill chuck is including boring body, rotatory cover and clamping jaw, the clamping jaw sets up on boring the body, and rotatory cover is overlapped in boring the body outside, and the front end of boring the body extends rotatory cover and forms and bore body connecting portion, ice angles with drilling rod anti-loss electric hand drill connecting device still includes the transfer line, the both ends of transfer line be respectively with the clamping jaw link of drill chuck matched with prism form and with drilling rod complex drilling rod link, the clamping jaw link is connected with the clamping jaw cooperation, is equipped with axial positioning coupling mechanism between transfer line and the boring body connecting portion.
The axial positioning connecting mechanism comprises external threads arranged on the circumferential surface of the drill body connecting part, a clamping jaw connecting end of the transmission rod is provided with a clamping sleeve nut, and the internal threads of the clamping sleeve nut are matched with the external threads on the circumferential surface of the drill body connecting part.
And a transmission rod pin hole perpendicular to the axis of the transmission rod is formed in the connecting end of the drill rod and is a threaded hole.
Example 4
The utility model provides an ice angles with drilling rod anti-loss electric hand drill connecting device, includes the drill chuck, the drill chuck is including boring body, rotatory cover and clamping jaw, the clamping jaw sets up on boring the body, and rotatory cover is overlapped in boring the body outside, and the front end of boring the body extends rotatory cover and forms and bore body connecting portion, ice angles with drilling rod anti-loss electric hand drill connecting device still includes the transfer line, the both ends of transfer line be respectively with the clamping jaw link of drill chuck matched with prism form and with drilling rod complex drilling rod link, the clamping jaw link is connected with the clamping jaw cooperation, is equipped with axial positioning coupling mechanism between transfer line and the boring body connecting portion.
The axial positioning connecting mechanism is a hasp arranged between the drill body connecting part and the transmission rod.
And a transmission rod pin hole perpendicular to the axis of the transmission rod is formed in the connecting end of the drill rod and is a threaded hole.
Example 5
The drill rod connecting end and the clamping jaw connecting end of the transmission rod are connected through a telescopic pull rod, the telescopic pull rod is sequentially and coaxially sleeved together through a plurality of telescopic joints with gradually reduced diameters, and pin holes are formed in two ends of each section of the telescopic pull rod respectively. Through the pin joint of different pinhole, the length of adjustable flexible pull rod, and then the length of adjusting the transmission rod.
Other settings of the present embodiment are the same as those of embodiment 1.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides an ice angles prevents losing electric hand drill connecting device with drilling rod, includes the drill chuck, the drill chuck is including boring the body, rotatory cover and clamping jaw, the clamping jaw sets up on boring the body, and rotatory cover is overlapped in boring the external side, and the front end of boring the body extends rotatory cover and forms and bore body connecting portion, its characterized in that: the anti-loss electric hand drill connecting device for the drill rod for ice fishing further comprises a transmission rod, the two ends of the transmission rod are respectively a prism-shaped clamping jaw connecting end matched with the drill chuck and a drill rod connecting end matched with the drill rod, the clamping jaw connecting end is connected with the clamping jaw in a matched mode, and an axial positioning connecting mechanism is arranged between the transmission rod and the drill body connecting portion.
2. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 1, characterized in that: the axial positioning connecting mechanism comprises a limiting groove arranged on the circumferential surface of the connecting part of the drill body and a limiting sleeve arranged at the connecting end of the clamping jaw, the limiting sleeve is coaxially sleeved at the outer side of the connecting end of the clamping jaw, and a clamping body matched with the limiting groove is arranged on the limiting sleeve.
3. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 2, characterized in that: the limiting sleeve comprises a limiting inner sleeve and a limiting outer sleeve which can slide relatively, the limiting inner sleeve is connected with the transmission rod, the inner diameter of the limiting inner sleeve is matched with the outer diameter of the connecting portion of the drill body, the side wall of the limiting inner sleeve is provided with a ball hole, the clamping body is a limiting ball arranged in the ball hole, the diameter of the limiting ball is larger than the wall thickness of the limiting inner sleeve at the ball hole, the limiting outer sleeve is coaxially sleeved on the outer side of the limiting inner sleeve, the inner wall of the limiting outer sleeve is provided with an inner limiting check ring, and the inner diameter of the inner limiting check ring is matched with the outer diameter of the limiting inner sleeve at the ball hole.
4. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 3, characterized in that: the outer peripheral face of the end portion of the limiting inner sleeve is provided with an outer limiting check ring, the outer diameter of the outer limiting check ring is matched with the inner diameter of the limiting outer sleeve, a pressure spring is arranged between the outer limiting check ring and the inner limiting check ring, a clamp spring is arranged on the limiting inner sleeve, and the clamp spring is located on one side, far away from the pressure spring, of the inner limiting check ring.
5. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 2, characterized in that: the drill rod connecting end and the clamping jaw connecting end of the transmission rod are connected through a telescopic pull rod, and pin holes are formed in two ends of each section of the telescopic pull rod respectively.
6. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 2, characterized in that: the clamping body is a screw rod matched with the limiting groove, and the screw rod penetrates through the limiting sleeve and is in threaded connection with the limiting sleeve.
7. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 1, characterized in that: the axial positioning connecting mechanism comprises external threads arranged on the circumferential surface of the drill body connecting part, a clamping jaw connecting end of the transmission rod is provided with a clamping sleeve nut, and the internal threads of the clamping sleeve nut are matched with the external threads on the circumferential surface of the drill body connecting part.
8. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 1, characterized in that: the axial positioning connecting mechanism is a hasp arranged between the drill body connecting part and the transmission rod.
9. The anti-loss electric hand drill connecting device for the drill rod for ice fishing according to claim 1, characterized in that: and a transmission rod pin hole perpendicular to the axis of the transmission rod is formed in the connecting end of the drill rod and is a threaded hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122404730.6U CN215775023U (en) | 2021-09-29 | 2021-09-29 | Anti-loss electric hand drill connecting device for drill rod for ice fishing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122404730.6U CN215775023U (en) | 2021-09-29 | 2021-09-29 | Anti-loss electric hand drill connecting device for drill rod for ice fishing |
Publications (1)
Publication Number | Publication Date |
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CN215775023U true CN215775023U (en) | 2022-02-11 |
Family
ID=80168698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122404730.6U Active CN215775023U (en) | 2021-09-29 | 2021-09-29 | Anti-loss electric hand drill connecting device for drill rod for ice fishing |
Country Status (1)
Country | Link |
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CN (1) | CN215775023U (en) |
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2021
- 2021-09-29 CN CN202122404730.6U patent/CN215775023U/en active Active
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