CN210560839U - Needle electrolysis and sand attachment device - Google Patents
Needle electrolysis and sand attachment device Download PDFInfo
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- CN210560839U CN210560839U CN201921230598.8U CN201921230598U CN210560839U CN 210560839 U CN210560839 U CN 210560839U CN 201921230598 U CN201921230598 U CN 201921230598U CN 210560839 U CN210560839 U CN 210560839U
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Abstract
The utility model relates to a car needle processing field discloses a car needle electrolysis attaches sand device, including first frame, second frame, nickel board and car faller, the second frame is fixedly connected with backing sheet respectively in bottom surface both ends department, and the lower extreme of backing sheet is equipped with insulating pad along the surface, and first frame is located through insulating the pad frame of first opening warp to the second frame, and the nickel board is placed between the bottom surface of first frame and the bottom surface of second frame, and first frame and second frame interval set up. The second frame is provided with at least one electroplating groove frame, the inner side of the electroplating groove frame is covered with first permeable sand-isolating cloth to form an electroplating bath, the needle plate is erected in the electroplating groove frame through the second opening so that the needle is placed in the electroplating bath, and carborundum particles are preset in the electroplating bath. The titanium second frame is connected with the positive electrode of a power supply to conduct electricity, metal ions can be supplemented only by replacing a nickel plate which is arranged in electrolyte in a spare mode, operation is convenient, and continuous electrolysis is facilitated.
Description
Technical Field
The utility model relates to a car needle processing field particularly, relates to a car needle electrolysis attaches sand device.
Background
The car needle is a consumable tool for stomatologists, is a very thin steel needle, consists of a needle head and a needle handle, can be inserted into high-speed and low-speed mobile phones for use, and helps the stomatologists to open tooth cavities and repair teeth. The machine needle comprises a tungsten steel machine needle and a carborundum machine needle, wherein fine carborundum particles are attached to the periphery of a drill bit at the head of the carborundum machine needle, and the carborundum particles are subjected to impurity removal, demagnetization, rounding and purification treatment, so that the carborundum machine needle is excellent in sharpness and wear resistance.
Currently, preset diamond grains are attached to the needles by electrolysis to form diamond layers. The electrolysis releases metal ions through the nickel plate at the positive pole of the power supply, the reduction reaction is carried out on the needle connected with the negative pole of the power supply, and carborundum particles are attached to the needle along with the reduction of the metal ions, but the continuous electrolysis can cause the consumption of the nickel ions in the electrolyte, so that the nickel plate at the positive pole of the power supply needs to be replaced after a long time, and the replenishment is carried out to ensure the continuous implementation of the electrolysis reaction. Because the nickel plate is connected with the positive pole of the power supply, the replacement mode is troublesome.
In the prior art, insulation materials such as plastics are adopted as a structural main body, and only a single sand mold can be electroplated on the liquid surface of an electrolytic solution in the structural main body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car needle electrolysis attaches sand device, it is anodal electrically conductive through the second frame attach power of titanium system, only needs to change the nickel board in the electrolyte just can supply metal ion, and the second frame still keeps the original state after long-term electrolysis, and convenient operation is favorable to lasting electrolysis.
The embodiment of the utility model is realized like this:
a needle turning electrolysis sand attaching device comprises a first frame, a second frame, a nickel plate and a needle turning plate. The first frame and the second frame are both arranged in a cuboid shape, the first frame is provided with a first opening at the top surface, the second frame is fixedly connected with supporting pieces at two ends of the bottom surface respectively, the lower ends of the supporting pieces are provided with insulating pads along the outer surfaces, the second frame is erected on the first frame through the insulating pads through the first opening, the nickel plate is placed between the bottom surface of the first frame and the bottom surface of the second frame, and the first frame and the second frame are arranged at intervals. The second frame is provided with at least one electroplating groove frame, the inner side of the electroplating groove frame is covered with first permeable sand-isolating cloth to form an electroplating bath, the top surface of the electroplating bath is provided with a second opening, the needle plate is provided with a plurality of needles, the needle plate is erected in the electroplating groove frame through the second opening so that the needles are placed in the electroplating bath, and carborundum particles are preset in the electroplating bath. The first frame is preset with an outgoing line, the outgoing line is electrically connected with the positive pole of a power supply, and the machine needles are electrically connected with the negative pole of the power supply. The first frame, the second frame and the supporting sheet are all made of titanium.
Further, the outside of first frame covers has the second sand cloth that permeates water.
Furthermore, the two ends of the first frame are provided with handheld portions, and the handheld portions are arranged along the horizontal direction.
Further, the hand-held portion is made of titanium.
Furthermore, the support sheets extend and are distributed along the vertical direction, the transverse section of the insulating pad is in a trapezoidal shape, the support sheets are concavely arranged on the insulating pad, and the insulating pad extends out of the geometric range of the second frame in the horizontal direction.
Furthermore, the plating bath is arranged in a cuboid shape, and the turning needle plate is arranged in a rectangle shape.
Further, the nickel board is the rectangle setting, and the cross section of nickel board slightly is lighter than the bottom surface of first frame, and the nickel board tiling sets up in the clearance of first frame and second frame.
Further, a plurality of needle linear arrays are arranged on the needle plate.
The utility model has the advantages that:
(1) the second titanium frame is connected with the positive electrode of a power supply for conducting electricity, and metal ions can be supplemented only by replacing a nickel plate placed in the electrolyte, so that the operation is convenient, and the continuous electrolysis is facilitated;
(2) the first frame is not directly contacted with the second frame, so that the normal electrolysis can be effectively ensured;
(3) the carborundum particles are placed in the electroplating bath, so that the area of carborundum raw materials is limited, the cost is saved, and the carborundum attachment is facilitated;
(4) the diamond dust with various types can be uniformly attached to the machine needle, and the diamond dust with various types is arranged in a zigzag manner to form uniform and regular staggered layers, so that the adhesive force is firmer, and larger cutting force can be provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the needle electrolytic sand-attaching device provided in the embodiment of the present invention;
fig. 2 is a schematic structural view illustrating a second frame disposed in a first frame according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a needle plate provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first frame according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a second water-permeable sand-separating cloth in a first frame according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a nickel plate disposed in a first frame according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second frame according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a first water-permeable sand-separating cloth in a second frame according to an embodiment of the present invention;
fig. 9 is a schematic view of the geometric range of the second frame extending from the insulating pad in the horizontal direction according to the embodiment of the present invention.
Icon: 100-a first frame, 110-a first opening, 120-a leading-out wire, 130-a second permeable sand-separating cloth, 140-a handheld part, 200-a second frame, 210-a supporting sheet, 220-an insulating pad, 230-an electroplating groove frame, 231-a first permeable sand-separating cloth, 232-a second opening, 300-a nickel plate, 400-a needle plate and 410-a needle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are usually placed in when they are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which it refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 9, in fig. 5, the second water-permeable sanding cloth 130 in the first frame 100 is shaded;
hatched in fig. 8 is the first water-permeable sanding cloth 231 in the second frame 200;
the hatching in fig. 9 is only used to distinguish the insulating pad 220 from the second frame 200.
Referring to fig. 1 to 8, the present embodiment provides an electrolytic sand-attaching device for a needle 410, which includes a first frame 100, a second frame 200, a nickel plate 300 and a needle plate 400.
The first frame 100 and the second frame 200 are both rectangular parallelepipeds, the first frame 100 has a first opening 110 at the top surface, the second frame 200 is fixedly connected with support sheets 210 at two ends of the bottom surface respectively, an insulating pad 220 is arranged at the lower end of the support sheets 210 along the outer surface, the second frame 200 is erected on the first frame 100 through the first opening 110 via the insulating pad 220, the nickel plate 300 is placed between the bottom surface of the first frame 100 and the bottom surface of the second frame 200, and the first frame 100 and the second frame 200 are arranged at intervals.
The second frame 200 is provided with at least one electroplating tank frame 230, the inner side of the electroplating tank frame 230 is covered with a first water permeable sand-separating cloth 231 to form an electroplating tank, the electroplating tank is provided with a second opening 232 at the top surface, the needle plate 400 is provided with a plurality of needles 410, the needle plate 400 is erected on the electroplating tank frame 230 through the second opening 232 so that the needles 410 are placed in the electroplating tank, and diamond grains are preset in the electroplating tank. The lead wire 120 is preset on the first frame 100, the lead wire 120 is electrically connected with the positive pole of the power supply, and the needles 410 are electrically connected with the negative pole of the power supply. The first frame 100, the second frame 200, and the support sheet 210 are made of titanium.
Since the positive electrode of the power supply is connected to the first frame 100 through the lead wire 120, the distribution area of the first frame 100 is much larger than that of the original nickel plate connected to the power supply. Therefore, the electric conduction is more uniform, the nickel plate 300 is flatly arranged on the bottom surface of the first frame 100, the flatly-arranged area of the nickel plate 300 is large, and nickel ions generated by the oxidation reaction are uniformly distributed, so that the sand attachment to a plurality of needles 410 is facilitated.
Specifically, the water-permeable sand-separating cloth does not obstruct the flow of liquid and has the function of separating carborundum particles from passing through. Specifically, the permeable sanding cloth may be a polymer film, and the inner diameter of the pores of the polymer film is smaller than the diameter of the used carborundum particles.
When the needle 410 electrolytic sanding device is used to perform electroplating sanding of the needle 410, the needle plate 400 having the plurality of needles 410 mounted thereon is mounted on the plating tank frame 230 at both ends thereof, and the needles 410 are received in the plating tank through the second openings 232. The plurality of needles 410 may be disposed on the needle plate 400 in a linear array, which is beneficial to the stability of the overall plating. Carborundum particles are placed in the electroplating bath, the needle 410 electrolytic sand attaching device is placed in the electrolytic solution, and the lead-out wires 120 on the first frame 100 are not mutually conductive with the electrolytic solution. That is, when the first frame 100 and the needles 410 are energized through the positive and negative poles of the power supply, the electric wires are not in direct electrical contact with the electrolytic solution.
The second frame 200 is placed on the bottom surface of the first frame 100 through the first opening 110 at the top surface of the first frame 100, and is placed on the first frame 100 through the insulating pad 220 at the bottom end of the second frame 200. The insulating pad 220 has insulating properties, for example, it can be made of rubber, and has the characteristics of insulation, acid and alkali corrosion resistance, strong stability, etc. The second frame 200 is spaced from the first frame 100, that is, the first frame 100 and the second frame 200 are prevented from directly contacting, so that direct conduction between the first frame 100 and the second frame 200 is avoided, and a large amount of electric energy is wasted in the electrolytic process to influence the normal operation of the electrolytic reaction.
The nickel plate 300 is placed in the gap between the bottom surface of the first frame 100 and the bottom surface of the second frame 200, and the electrolytic solution covers the nickel plate 300, most of the area of the large first frame 100, and most of the area of the second frame 200. When the electrolysis reaction proceeds, the first frame 100 is connected to the positive electrode of the power supply, and the nickel plate 300 undergoes an oxidation reaction along with the conductive sequence of the first frame 100, the electrolytic solution, and the nickel plate 300, thereby supplementing nickel ions which are consumed in large amounts in the electrolytic solution along with the progress of the electrolysis. The needles 410 are all connected with the negative electrode of the power supply, the needles 410 are partially immersed in the electrolytic solution, a reduction reaction occurs at the to-be-plated portions of the needles 410, diamond grains adhere to the needles 410 along with the progress of the reduction reaction, and the sanding process of the diamond grain layer of the needles 410 is performed.
Since the nickel plate 300 is laid on the bottom surface of the first frame 100 and the needles 410 to be plated are suspended from the first frame 100, when electroplating is performed, the nickel plate 300 releases nickel ions, and the nickel ions move upward in a vertical upward direction to the portions to be plated of the needles 410. The parts to be plated of the needles 410 are usually distributed in a three-dimensional manner, and under the motion condition of nickel ions, reduction reaction can be carried out on all the outer surfaces of the parts to be plated of the needles 410, so that the process of electroplating a single sand mold on the liquid surface of an electrolytic solution in a structure main body in the prior art is overcome.
The reduction reaction is carried out on all the surfaces of the part to be plated of the lathe needle 410, so that more carborundum can be attached at the same time, the electroplating efficiency is improved, and the processing time is greatly shortened. And can place the diamond dust of multiple model in the plating bath to evenly adhere to the diamond dust of multiple model in car needle 410, the zigzag arrangement of the diamond dust of multiple model forms even and regular staggered floor, and the adhesive force is more firm, and the staggered floor can provide bigger cutting force, improves the work efficiency of car needle in medical treatment.
Because the first frame 100 is conductive to the positive electrode of the power supply, the distribution area of the first frame 100 is large (the surface area is large), the current loss can be reduced, the phenomenon that the temperature in an electrolytic solution rises during electroplating is further improved, and the processing sand adhering time of a single machine needle 410 is shortened by combination, so that the work of processing personnel is facilitated, and the product percent of pass is improved.
The nickel ions at the needles 410 are consumed and the oxidation reaction of the nickel plate 300 continuously supplies the electrolytic solution with nickel ions. The first frame 100 is made of titanium, which is a silvery-white transition metal, has excellent conductivity, and is acid-resistant, alkali-resistant, and corrosion-resistant. Along with the long-term progress of electrolytic reaction, the nickel board 300 of being connected with the power anodal is required to be changed to the note among the prior art to guarantee to have sufficient nickel ion in the electrolytic solution and carry out redox reaction, and in this embodiment, with the anodal lug connection of power be first frame 100, and first frame 100 that the titanium was made is corrosion-resistant, acid and alkali-resistant, and intensity is also high, along with the long-term progress of electroplating, first frame 100 can not receive the corruption of acid-base, avoid being consumed, and can keep beginning structure and the state of coming into service always, needn't change first frame 100.
In the prior art, when the nickel plate 300 is replaced, the originally used nickel plate 300 needs to be taken out from the positive electrode connecting line of the power supply and the fixed position in the device, and a new nickel plate 300 needs to be reconnected with the positive electrode of the power supply after the replacement is finished, so that the operation is troublesome, the consumed time is long, and the overall processing efficiency is affected.
In the present embodiment, referring to fig. 4 and 6, the nickel plate 300 is directly disposed in the interlayer between the first frame 100 and the second frame 200, and the nickel plate 300 is not connected to other components. When the nickel plate 300 needs to be replaced, the second frame 200 is taken out from the first frame 100 through the first opening 110, the nickel plate 300 to be replaced after use is directly taken out, then a new nickel plate 300 is put in, and then the second frame 200 is put back to the original position in the first frame 100, so that the replacement of the nickel plate 300 can be completed, the operation is convenient, the rapid replacement can be realized, the overall processing efficiency of the needle 410 is increased, and the rewiring between the positive electrode of the power supply and the device is not needed.
The first frame 100, the second frame 200, and the support sheet 210 are made of titanium, so that they are not corroded by acid-base environment, and the integrity of the whole device is maintained.
Further, the supporting sheet 210 may be made of an insulating material with corrosion resistance and acid and alkali resistance, and the supporting sheet 210 and the insulating pad 220 may be regarded as one component.
More, the support pieces 210 may be disposed not only at both ends of the bottom surface of the second frame 200, but also at more positions of the bottom surface.
More, only the first opening 110 may exist on the upper side of the first frame 100.
Further, referring to fig. 5, the outside of the first frame 100 is covered with a second water-permeable and sand-isolating cloth 130. The second water-permeable abrasive cloth 130 herein also has the function of preventing the emery particles from passing through without obstructing the flow of liquid. Since the nickel plate 300 is placed in the first frame 100, a small amount of impurities in the nickel plate 300 or other impurities may enter the electrolytic solution during the process as the electrolytic reaction continues.
And a layer of second water-permeable and sand-isolating cloth 130 is covered on the outer side of the first frame 100, and at this time, the second water-permeable and sand-isolating cloth 130 has a function of preventing impurities from passing through, so that the impurities in the first frame 100 are limited within the range of the first frame 100 and cannot be spread out of the first frame 100 to affect the electrolytic solution outside the first frame 100. With the impurity components in the first frame 100 to a certain degree, the needle 410 electrolytic sand attachment device is taken out to directly dispose of the impurities. This facilitates the handling of the impurities in the electrolytic solution that are generated with the electrolysis.
Further, referring to fig. 7 and 9, the supporting pieces 210 are extended and distributed along the vertical direction, the transverse cross-section of the insulating pad 220 is trapezoidal, the supporting pieces 210 are recessed in the insulating pad 220, and the insulating pad 220 extends out of the geometric range of the second frame 200 in the horizontal direction.
One end of the support sheet 210 is fixedly connected to the lower end of the second frame 200, and the support sheets 210 are distributed along the vertical direction to lift the second frame 200 as much as possible so that the bottom surface of the first frame 100 is spaced from the bottom surface of the second frame 200 by a preset distance. The insulation pad 220 is provided with a non-through slot at the center of the cross-sectional trapezoidal section, the support plate 210 is fixedly disposed in the non-through slot, and the support plate 210 is connected with the first frame 100 through the insulation pad 220, so that it can be ensured that the first frame 100 and the second frame 200 are not directly in electrical contact.
In order to space the first frame 100 from the second frame 200, the insulating pad 220 may be extended out of the geometric range of the second frame 200 in the horizontal direction. That is, the second frame 200 and the insulating pad 220 are viewed in a vertically downward direction, and the insulating pad 220 partially protrudes outside the limited range of the second frame 200. Thus, when the second frame 200 is mounted in the first frame 100 through the support pieces 210, the circumferential side of the second frame 200 is directly spaced from the axial side of the first frame 100 due to the insulating pad 220. It is now desirable that the single insulating pad 220 extends out of the geometric extent of the second frame 200 in the horizontal direction, and at multiple locations.
Further, referring to fig. 4, the first frame 100 is provided with two holding portions 140 at two ends thereof, and the holding portions 140 are disposed along a horizontal direction. The worker can realize the integral movement of the needle 410 electrolytic sand-attaching device through the hand-held part 140. Optionally, the handle 140 is also made of titanium, and has the characteristics of acid, alkali, corrosion and high strength.
Further, referring to fig. 1 and fig. 3, the present embodiment provides an apparatus for electrolyzing and adhering sand to needles 410 arranged in a rectangular parallelepiped, wherein the electroplating tank is arranged in a rectangular parallelepiped, the needle plate 400 is arranged in a rectangular shape, a row of needles 410 is arranged on the needles 410, and a plurality of needles 410 are distributed at intervals, and the distance between adjacent needles 410 is the same. One or more plating bath frames 230 may be provided in the same second frame 200, in each of which a single faller bar 400 is correspondingly placed. One or more of the above-described needles 410 may be placed in the same larger open container containing the electrolytic solution.
In addition, the first frame 100 and the second frame 200 are arranged in a hollow space, and the solution can flow more smoothly by adopting a titanium alloy welding technology.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a car needle electrolysis attaches sand device which characterized in that: comprises a first frame, a second frame, a nickel plate and a needle plate;
the first frame and the second frame are both arranged in a cuboid shape, the first frame is provided with a first opening at the top surface, the second frame is fixedly connected with supporting pieces at two ends of the bottom surface respectively, the lower ends of the supporting pieces are provided with insulating pads along the outer surfaces, the second frame is erected on the first frame through the insulating pads through the first opening, the nickel plate is placed between the bottom surface of the first frame and the bottom surface of the second frame, and the first frame and the second frame are arranged at intervals;
the second frame is provided with at least one electroplating groove frame, the inner side of the electroplating groove frame is covered with first permeable sand-isolating cloth to form an electroplating groove, the top surface of the electroplating groove is provided with a second opening, the needle plate is provided with a plurality of needles, the needle plate is erected on the electroplating groove frame through the second opening so that the needles are placed in the electroplating groove, and the electroplating groove is internally provided with carborundum particles;
leading-out wires are preset on the first frame and electrically connected with the positive pole of a power supply, and the machine needles are electrically connected with the negative pole of the power supply;
the first frame, the second frame and the support sheet are all made of titanium.
2. The needle electrolytic sand-attaching device according to claim 1, characterized in that: and the outer side of the first frame is covered with a second water-permeable sand-separating cloth.
3. The needle electrolytic sand-attaching device according to claim 1, characterized in that: the both ends of first frame are equipped with handheld portion, handheld portion sets up along the horizontal direction.
4. The needle electrolytic sand-attaching device according to claim 3, characterized in that: the hand-held portion is made of titanium.
5. The needle electrolytic sand-attaching device according to claim 1, characterized in that: the supporting sheets extend and are distributed along the vertical direction, the transverse section of the insulating pad is in a trapezoidal arrangement, and the supporting sheets are concavely arranged on the insulating pad;
and the insulating pad extends out of the geometric range of the second frame in the horizontal direction.
6. The needle electrolytic sand-attaching device according to claim 1, characterized in that: the plating bath is arranged in a cuboid shape, and the turning needle plate is arranged in a rectangular shape.
7. The needle electrolytic sand-attaching device according to claim 1, characterized in that: the nickel plate is rectangle setting, the cross section of nickel plate slightly is less than the bottom surface of first frame, the nickel plate tiling set up in first frame with in the clearance of second frame.
8. The needle electrolytic sand-attaching device according to claim 1, characterized in that: the plurality of the needle linear arrays are arranged on the needle plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230598.8U CN210560839U (en) | 2019-07-31 | 2019-07-31 | Needle electrolysis and sand attachment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921230598.8U CN210560839U (en) | 2019-07-31 | 2019-07-31 | Needle electrolysis and sand attachment device |
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| CN210560839U true CN210560839U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424044A (en) * | 2019-07-31 | 2019-11-08 | 四川星皓医疗器械有限公司 | Vehicle needle is electrolysed attached sand device |
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2019
- 2019-07-31 CN CN201921230598.8U patent/CN210560839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424044A (en) * | 2019-07-31 | 2019-11-08 | 四川星皓医疗器械有限公司 | Vehicle needle is electrolysed attached sand device |
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