CN216540542U - A assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope - Google Patents
A assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope Download PDFInfo
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- CN216540542U CN216540542U CN202122962505.4U CN202122962505U CN216540542U CN 216540542 U CN216540542 U CN 216540542U CN 202122962505 U CN202122962505 U CN 202122962505U CN 216540542 U CN216540542 U CN 216540542U
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Abstract
The utility model belongs to the field of medical instruments, and discloses an assembly tool for a steel wire and a crimping pipe of a fundus endoscope, which comprises a support frame, a power piece, a first crimping piece and a second crimping piece; the power part is arranged on the support frame, the first crimping part is fixedly arranged on the support frame or the power part, and one side of the first crimping part is provided with a first open slot for accommodating the crimping pipe; the second crimping piece is connected with the power piece and is positioned on one side of the first crimping piece, which is provided with the first open slot, and one side of the second crimping piece, which is close to the first open slot, is provided with a second open slot which is opposite to the first open slot; the power part drives the second crimping piece to be close to or far away from the first crimping piece, and when the second crimping piece moves to be abutted against the first crimping piece, the second open groove and the first open groove are closed to crimp the steel wire and the crimping pipe. The utility model can not only ensure that the size of the crimping pipe after crimping meets the requirements and the consistency among different finished products, but also prevent the crimping pipe from being broken and damaged due to excessive force.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to an assembly tool for a steel wire and a crimping pipe of a fundus endoscope.
Background
An endoscope for folding the fundus of the stomach (called endoscope for short) is a medical appliance for treating gastroesophageal reflux disease. The fundus endoscope comprises a near end and a far end, the far end is the end far away from the external operation end, the endoscope far end is provided with a flexible snake bone, a steel wire is arranged inside the snake bone in a penetrating mode, one end of the steel wire is connected with the snake bone, the other end of the steel wire is connected with a knob arranged at the near end of the endoscope, the steel wire can be driven to move when the knob is rotated, and the bending angle of the snake bone can be adjusted when the steel wire moves in the snake bone.
At present, when the steel wire is connected with the knob, the steel wire and a crimping pipe are firstly crimped together and then the crimping pipe is assembled on the knob of the endoscope, and the diameter of the end part of the steel wire can be increased by arranging the crimping pipe at the end part of the steel wire so as to facilitate the assembly of the steel wire and the endoscope. In order to ensure the reliable assembly between the steel wire and the knob, strict requirements are provided for the overall dimension of the steel wire and the crimping pipe after the crimping is finished and the connecting force between the steel wire and the crimping pipe.
The existing steel wire and the existing crimping pipe are generally assembled by crimping through a handheld crimping pliers, the problems that the steel wire and a knob are not firmly connected and are easily broken in the use process because the overall dimension cannot be completely guaranteed after the crimping is finished exist, and the crimping pipe is broken and scrapped due to the fact that excessive force is applied in the crimping process sometimes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an assembly tool for a steel wire and a crimping pipe of a fundus endoscope, which can ensure that the size of the crimping pipe after crimping meets requirements and consistency among different finished products, and can prevent the crimping pipe from being broken and damaged due to excessive force.
The technical scheme provided by the utility model is as follows:
the utility model provides an assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope, includes:
a support frame;
a power part arranged on the support frame,
the first crimping piece is fixedly arranged on the support frame or the power piece, and one side of the first crimping piece is provided with a first groove for accommodating the crimping pipe;
the second crimping piece is connected with the power piece and is positioned on one side, provided with the first open slot, of the first crimping piece, and a second open slot opposite to the first open slot is formed in one side, close to the first open slot, of the second crimping piece;
the power piece drives the second crimping piece to be close to or far away from the first crimping piece, and when the second crimping piece moves to be abutted against the first crimping piece, the second open groove and the first open groove are closed to crimp a steel wire and a crimping pipe.
In some embodiments, the thickness of the first crimp member in the axial direction of the crimp tube is greater than the axial length of the crimp tube;
the second crimp member has a thickness in an axial direction of the crimp tube that is greater than an axial length of the crimp tube.
In some embodiments, the first slot is semi-circular in cross-section along a radial direction of the crimp tube;
the cross section of the second open groove along the radial direction of the crimping pipe is semicircular;
the first slot and the second slot have the same radius.
In some embodiments, the power member is a hydraulic tong, the hydraulic tong includes a fixed mold, a movable mold, and an operating handle, the first pressing member is connected to the fixed mold, the movable mold is movably disposed on the fixed mold, the second pressing member is connected to the movable mold, and the operating handle drives the movable mold to move.
In some embodiments, the fixed mold block includes a fixed member in which one end of the movable mold block is movably disposed, and a C-shaped head portion disposed at an end of the fixed member where the movable mold block is disposed, the operating handle being disposed on the fixed member, and the first and second crimping members being oppositely disposed in the C-shaped head portion.
In some embodiments, the supporting frame includes a bottom plate, a first supporting seat, a second supporting seat and a third supporting seat, and the first supporting seat, the second supporting seat and the third supporting seat are sequentially arranged on the bottom plate at intervals along the length direction of the bottom plate;
one end, far away from the fixing piece, of the C-shaped head is arranged on the first supporting seat, and the fixing piece is arranged on the second supporting seat and the third supporting seat.
In some embodiments, a first accommodating groove is formed in the top of the first supporting seat, a second accommodating groove is formed in the top of the second supporting seat, and a third accommodating groove is formed in the top of the third supporting seat;
one end of the C-shaped head is arranged in the first accommodating groove, and the fixing piece is arranged in the second accommodating groove and the third accommodating groove.
In some embodiments, the opening of the C-shaped head is disposed toward the base plate, and the operating handle is disposed on a side of the fixing member away from the base plate.
In some embodiments, a side end of the C-shaped head portion away from the fixing member is provided with a limiting portion, and the first crimping member is disposed on the limiting portion and connected with a side wall of the C-shaped head portion.
The utility model has the technical effects that: be equipped with first crimping spare and second crimping spare on the support frame, be equipped with the fluting on first crimping spare and the second crimping spare respectively, the second crimping spare is removed by the power component drive, when the second crimping spare removes with first crimping spare butt, first fluting is closed with the second fluting, the size after first fluting and the closed second fluting is crimping pipe's external diameter behind the crimping promptly, through the size of controlling first fluting and second fluting, can guarantee that crimping pipe's size and joint strength satisfy the requirement and the uniformity between all finished products after the crimping is accomplished. In addition, when in crimping, the second crimping piece moves towards the first crimping piece, the second crimping piece is continuously extruded after contacting the crimping pipe until the second crimping piece abuts against the first crimping piece, the second crimping piece can not move any more, and at the moment, the crimping is in place, so that the phenomenon that the crimping pipe is broken and scrapped due to excessive extrusion is prevented.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of an assembly fixture for a steel wire and a crimping tube of a fundus endoscope according to an embodiment of the present application;
FIG. 2 is a schematic structural view of the crimp tube before crimping with the steel wire;
FIG. 3 is a schematic structural view of the crimp tube after being crimped with the steel wire;
FIG. 4 is a schematic structural view of a first crimp member according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a first crimping member and a second crimping member provided in an embodiment of the present application;
FIG. 6 is a schematic structural view of a first crimp member and a second crimp member provided in an embodiment of the present application when a crimp tube is mounted thereon;
FIG. 7 is a schematic structural diagram of a power element provided in accordance with an exemplary embodiment of the present application;
fig. 8 is a schematic structural diagram of a support frame according to an embodiment of the present disclosure.
The reference numbers illustrate:
10. a support frame; 11. a base plate; 12. a first support base; 121. a first accommodating groove; 13. a second support seat; 131. a second accommodating groove; 14. a third support seat; 141. a third accommodating groove; 20. a power member; 21. determining a module; 211. a fixing member; 212. a C-shaped head; 213. a limiting part; 22. a movable module; 23. an operating handle; 30. a first crimping member; 31. a first slot; 40. a second crimping member; 41. a second slot; 50. crimping the tube; 60. a steel wire.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In one embodiment of the application, as shown in fig. 1, the assembly tool for the steel wire and the crimping pipe of the fundus endoscope comprises a support frame 10, a power part 20, a first crimping part 30 and a second crimping part 40.
The power piece 20 is arranged on the support frame 10, the first crimping piece 30 is fixedly arranged on the support frame 10 or the power piece 20, and one side of the first crimping piece 30 is provided with a first notch 31 for accommodating the crimping pipe 50; the second pressing member 40 is connected to the power member 20 and located on the side of the first pressing member 30 where the first slot 31 is provided, and the side of the second pressing member 40 close to the first slot 31 is provided with a second slot 41 located opposite to the first slot 31. The side of the first crimp member 30 facing the second crimp member 40 is a planar structure, and the first open groove 31 is provided on the planar structure of the first crimp member 30, and likewise, the side of the second crimp member 40 facing the first crimp member 30 is a planar structure, and the second open groove 41 is provided on the planar structure of the second crimp member 40. The first crimp member 30 and the second crimp member 40 may each be a block-like structure.
The power member 20 drives the second crimping member 40 to approach or separate from the first crimping member 30, and when the second crimping member 40 is moved into abutment with the first crimping member 30, the second open groove 41 is closed with the first open groove 31 to crimp the steel wire 60 and the crimping tube 50.
Before crimping, the structure of the crimping pipe 50 is as shown in fig. 2, two communicated through holes are arranged on the crimping pipe 50, namely a first through hole and a second through hole, the steel wire 60 firstly passes through the first through hole and then passes back to the second through hole from the other surface, then the crimping pipe 50 is crimped, the structure of the crimping pipe 50 after crimping is as shown in fig. 3, and the whole maximum outer diameter of the crimping pipe 50 after crimping and the connecting force between the steel wire 60 and the crimping pipe 50 need to meet requirements. It should be noted that the crimping tube 50 of the present embodiment is made of a material with good ductility, so that the crimping tube 50 can be deformed by the pressing action of the first crimping member 30 and the second crimping member 40 to be crimped with the steel wire 60.
When crimping pipe 50 assembly after the crimping was on the scope, crimping pipe 50 cup joints earlier on female adapter, the inside cavity of female adapter, the open-top of female adapter, the bottom is equipped with the through-hole, steel wire 60 wears out from the through-hole of female adapter bottom, crimping pipe 50 is located inside female adapter and carries on spacingly with the bottom butt of female adapter, in order to link together steel wire 60 with female adapter, be equipped with the revolution joint on the knob of scope near-end, insert the revolution joint from the top of female adapter, and make the revolution joint link together with female adapter through buckle isotructure, just can realize being connected of steel wire 60 and knob, can drive steel wire 60 and remove when rotating the knob, and then adjust the snake bone bending angle of scope distal end.
When the crimping pipe 50 is crimped, if the outer diameter of the crimped pipe 50 after crimping is too small, the crimped pipe 50 may be separated from the through hole on the female adapter, and further the connection between the crimped pipe 50 and the female adapter is not firm, and if the outer diameter of the crimped pipe 50 is too large, the connection strength between the steel wire 60 and the crimped pipe 50 cannot meet the requirement, so that when the crimping pipe 50 is crimped, the maximum outer diameter of the crimped pipe 50 and the connection force between the steel wire 60 and the crimped pipe 50 need to meet the requirement.
In this embodiment, the first crimping member 30 and the second crimping member 40 are disposed on the supporting frame 10, as shown in fig. 4 to 6, the first crimping member 30 and the second crimping member 40 are respectively provided with a slot, the second crimping member 40 is driven by the power member 20 to move, when the second crimping member 40 moves to abut against the first crimping member 30, the first slot 31 and the second slot 41 are closed, the size after the first slot 31 and the second slot 41 are closed is the outer diameter of the crimping pipe 50 after crimping, and by controlling the sizes of the first slot 31 and the second slot 41, the size and the connection strength of the crimping pipe 50 after crimping can be ensured to meet the requirements and the consistency among all finished products. For example, the outer diameter of the crimped tube 50 after crimping is required to be less than 1mm, and if it is verified that the outer diameter of the crimped tube 50 after crimping is 0.8mm, the requirements for the outer diameter dimension and the connection strength between the steel wire 60 and the crimped tube 50 can be met, the radii of the first open groove 31 and the second open groove 41 can be set to be 0.4 mm.
In addition, when crimping, the second crimping member 40 moves towards the first crimping member 30, the second crimping member 40 is continuously pressed until the second crimping member 40 abuts against the first crimping member 30 after contacting the crimping tube 50, and the second crimping member 40 can not move any more, which indicates that crimping is in place, so as to prevent the crimping tube 50 from being excessively pressed to cause the fracture and scrapping of the crimping tube 50.
In some embodiments, the thickness of the first crimp member 30 in the axial direction of the crimp tube 50 is greater than the axial length of the crimp tube 50; the thickness of the second crimp member 40 in the axial direction of the crimp tube 50 is larger than the axial length of the crimp tube 50. As shown in fig. 6, when the crimping tube 50 is placed in the first slot 31, the thickness direction of the first crimping member 30 and the thickness direction of the second crimping member 40 are respectively parallel to the axial direction of the crimping tube 50, and the thickness of the first crimping member 30 and the thickness of the second crimping member 40 are both greater than the axial length of the crimping tube 50, so that the first crimping member 30 and the second crimping member 40 entirely cover the crimping tube 50, the surface of the crimping tube 50 after crimping is smooth and flat, and the problem that the portions of the crimping tube 50 extending out of the first crimping member 30 and the second crimping member 40 cannot be pressed by the first crimping member 30 and the second crimping member 40, which results in poor flatness of the outer surface of the crimping tube 50 is solved.
In some embodiments, as shown in fig. 5, the first slot 31 is semi-circular in cross-section along the radial direction of the crimp tube 50; the cross section of the second open groove 41 along the radial direction of the crimping pipe 50 is semicircular; the first slot 31 and the second slot 41 have the same radius, so that the crimped crimping tube 50 is symmetrical.
In some embodiments, as shown in fig. 7, the power member 20 is a hydraulic clamp, the hydraulic clamp includes a fixed module 21, a movable module 22, and an operating handle 23, the first pressing member 30 is connected to the fixed module 21, the movable module 22 is movably disposed on the fixed module 21, the second pressing member 40 is connected to the movable module 22, and the operating handle 23 drives the movable module 22 to move. The hydraulic clamp is used as a power part, pressure is amplified through the hydraulic clamp, assembly efficiency can be improved, fatigue of operators can be reduced, and stable output of crimping force during crimping can be guaranteed. It is understood that in other embodiments, the power member 20 may also adopt other existing driving structures, such as an electric telescopic rod, an electric lifting mechanism, and the like.
As shown in fig. 7, the fixed mold block 21 includes a fixed member 211 and a C-shaped head 212, one end of the movable mold block 22 is movably disposed in the fixed member 211, the C-shaped head 212 is disposed at the end of the fixed member 211 where the movable mold block 22 is disposed, the operating handle 23 is disposed on the fixed member 211, and the first crimp member 30 and the second crimp member 40 are oppositely disposed in the C-shaped head 212. Be equipped with hydraulic structure such as oil tank, pump oil mechanism in the mounting 211, the hydraulic structure that sets up in the accessible mounting 211 when pressing operating handle 23 drives movable module 22 and moves, can drive second crimping piece 40 and move towards or keep away from first crimping piece 30 when movable module 22 moves.
As shown in fig. 8, the supporting frame 10 includes a bottom plate 11, a first supporting seat 12, a second supporting seat 13 and a third supporting seat 14, wherein the first supporting seat 12, the second supporting seat 13 and the third supporting seat 14 are sequentially arranged on the bottom plate 11 at intervals along the length direction of the bottom plate 11; the end of the C-shaped head 212 remote from the anchor 211 is disposed on the first support seat 12, and the anchor 211 is disposed on the second support seat 13 and the third support seat 14. The first supporting seat 12, the second supporting seat 13 and the third supporting seat 14 form three-point support for the fixed module 21, so that the stability of the whole assembly tool is improved. In this embodiment, the assembly fixture is disposed horizontally, so as to facilitate the operation of the operating handle 23 disposed on the fixing member 211. It should be noted that, in other embodiments, the fixed module 21 may also be vertically disposed on the support frame 10, and at this time, the support frame 10 is also vertically disposed, that is, the whole assembly fixture is in a vertically disposed state.
When the assembly fixture is arranged horizontally, the opening of the C-shaped head 212 is arranged towards the bottom plate 11, and the operating handle 23 is arranged on one side of the fixing piece 211 far away from the bottom plate 11. When in crimping, after the steel wire 60 penetrates into the crimping pipe 50, the crimping pipe 50 is placed into the first open slot 31 of the first crimping part 30, the operating handle 23 is pressed to move the second crimping part 40 towards the first crimping part 30, after the second crimping part 40 contacts the crimping pipe 50, the second crimping part 40 is continuously extruded to be incapable of moving, the hydraulic clamp locking switch is unscrewed to separate the second crimping part 40 from the first crimping part 30, the crimping pipe 50 is taken down, and after the crimping pipe 50 is rotated by 90 degrees, the above crimping steps are repeated to finish the crimping.
Preferably, as shown in fig. 8, the top of the first support seat 12 is provided with a first receiving groove 121, the top of the second support seat 13 is provided with a second receiving groove 131, and the top of the third support seat 14 is provided with a third receiving groove 141; one end of the C-shaped head 212 is disposed in the first receiving groove 121, and the fixing member 211 is disposed in the second receiving groove 131 and the third receiving groove 141. The first receiving groove 121 is adapted to one end of the C-shaped head 212, the second receiving groove 131 and the third receiving groove 141 are adapted to corresponding positions of the fixing member 211, and the receiving grooves are respectively formed at the tops of the first supporting seat 12, the second supporting seat 13 and the third supporting seat 14, so that the fixed module 21 can be better limited to prevent the fixed module 21 from shaking on the supporting frame 10.
As shown in fig. 7, a limiting portion 213 is disposed at an end of the C-shaped head 212 away from the fixing member 211, and the first pressing member 30 is disposed on the limiting portion 213 and connected to a sidewall of the C-shaped head 212. The first crimp member 30 may be fixed inside the C-shaped head portion 212 by a bolt or the like, and the bottom of the first crimp member 30 is restrained by the restraining portion 213 to stably fix the first crimp member 30.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an assembly fixture that is used for steel wire and crimping pipe of stomach fundus endoscope which characterized in that includes:
a support frame;
the power part is arranged on the support frame;
the first crimping piece is fixedly arranged on the support frame or the power piece, and one side of the first crimping piece is provided with a first groove for accommodating a crimping pipe;
the second crimping piece is connected with the power piece and is positioned on one side, provided with the first open slot, of the first crimping piece, and a second open slot opposite to the first open slot is formed in one side, close to the first open slot, of the second crimping piece;
the power piece drives the second crimping piece to be close to or far away from the first crimping piece, and when the second crimping piece moves to be abutted against the first crimping piece, the second open groove and the first open groove are closed to crimp a steel wire and a crimping pipe.
2. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 1,
the thickness of the first crimping piece along the axial direction of the crimping pipe is larger than the axial length of the crimping pipe;
the second crimp member has a thickness in an axial direction of the crimp tube that is greater than an axial length of the crimp tube.
3. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 1,
the cross section of the first open groove along the radial direction of the crimping pipe is semicircular;
the cross section of the second open groove along the radial direction of the crimping pipe is semicircular;
the first slot and the second slot have the same radius.
4. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 1,
the power part is a hydraulic clamp, the hydraulic clamp comprises a fixed die block, a movable die block and an operating handle, the first pressing connection part is connected with the fixed die block, the movable die block is movably arranged on the fixed die block, the second pressing connection part is connected with the movable die block, and the operating handle drives the movable die block to move.
5. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 4,
the fixed die block comprises a fixing piece and a C-shaped head, one end of the movable die block is movably arranged in the fixing piece, the C-shaped head is arranged at one end, provided with the movable die block, of the fixing piece, the operating handle is arranged on the fixing piece, and the first crimping piece and the second crimping piece are oppositely arranged in the C-shaped head.
6. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 5,
the supporting frame comprises a bottom plate, a first supporting seat, a second supporting seat and a third supporting seat, wherein the first supporting seat, the second supporting seat and the third supporting seat are sequentially arranged on the bottom plate at intervals along the length direction of the bottom plate;
one end, far away from the fixing piece, of the C-shaped head is arranged on the first supporting seat, and the fixing piece is arranged on the second supporting seat and the third supporting seat.
7. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 6,
a first accommodating groove is formed in the top of the first supporting seat, a second accommodating groove is formed in the top of the second supporting seat, and a third accommodating groove is formed in the top of the third supporting seat;
one end of the C-shaped head is arranged in the first accommodating groove, and the fixing piece is arranged in the second accommodating groove and the third accommodating groove.
8. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 6,
the opening of the C-shaped head faces the bottom plate, and the operating handle is arranged on one side, far away from the bottom plate, of the fixing piece.
9. The assembly fixture for the steel wire and the crimping pipe of the fundus endoscope according to claim 8,
the C-shaped head is far away from one side end of the fixing piece and is provided with a limiting part, and the first crimping piece is arranged on the limiting part and connected with the side wall of the C-shaped head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122962505.4U CN216540542U (en) | 2021-11-29 | 2021-11-29 | A assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122962505.4U CN216540542U (en) | 2021-11-29 | 2021-11-29 | A assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216540542U true CN216540542U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122962505.4U Active CN216540542U (en) | 2021-11-29 | 2021-11-29 | A assembly fixture that is used for steel wire and crimping pipe of stomach fundus scope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216540542U (en) |
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2021
- 2021-11-29 CN CN202122962505.4U patent/CN216540542U/en active Active
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