CN217129719U - Medical oxygen generator air pump shock attenuation and fixed knot construct and medical oxygen generator - Google Patents
Medical oxygen generator air pump shock attenuation and fixed knot construct and medical oxygen generator Download PDFInfo
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- CN217129719U CN217129719U CN202220224764.9U CN202220224764U CN217129719U CN 217129719 U CN217129719 U CN 217129719U CN 202220224764 U CN202220224764 U CN 202220224764U CN 217129719 U CN217129719 U CN 217129719U
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- air pump
- damping
- shock absorption
- oxygen generator
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- 230000035939 shock Effects 0.000 title claims abstract description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 29
- 229910052760 oxygen Inorganic materials 0.000 title claims description 29
- 239000001301 oxygen Substances 0.000 title claims description 29
- 238000013016 damping Methods 0.000 claims abstract description 115
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 230000030279 gene silencing Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 11
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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Abstract
The utility model discloses a medical oxygenerator air pump shock attenuation and fixed knot construct, wherein, medical oxygenerator air pump shock attenuation and fixed knot construct includes: air pump, base, damping spring and connecting bolt. The air pump is provided with a first damping piece, the first damping piece is provided with a first mounting hole, the bottom of the air pump is provided with a laterally extending mounting support, the mounting support is provided with a second mounting hole, and the first damping piece is mounted in the second mounting hole; the base is provided with a second damping piece, the second damping piece is provided with a third mounting hole, the inner surface of the bottom wall of the base is provided with a guide post, the guide post extends along the height direction, the second damping piece is sleeved on the guide post through the third mounting hole, and the top of the guide post is provided with a connecting screw hole; the damping spring is arranged between the first damping piece and the second damping piece; the connecting bolt penetrates through the first mounting hole and is tightly connected to the connecting screw hole of the guide post. The utility model discloses the effectual vibrations and the noise of having solved the complete machine and the reliability of structure in the transportation of technical scheme.
Description
Technical Field
The utility model relates to an oxygenerator shock attenuation technical field, in particular to medical oxygenerator air pump shock attenuation and fixed knot construct and medical oxygenerator.
Background
The medical oxygen generator air pump shock absorption and fixation aims to solve the problems that the vibration of an oxygen generator is too large in the operation process, the vibration sense and the noise of the whole machine are driven to increase, and the shock absorption structure fails in the transportation process when a spring shock absorption structure is adopted. This scheme is through the fine solution above-mentioned problem of the direction screw of shock attenuation callus on the sole, damping spring and flanged.
In the current market, most of traditional medical oxygen generator air pumps have the defects of large damping and fixed vibration, high noise and failure of damping structures easily caused in the transportation process. Or special fixed structures need to be made in the transportation process, and the movable support needs to be manually removed when the movable support is in the hands of a user, so that bad experience and economic loss are brought to the user.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a medical oxygenerator air pump shock attenuation and fixed knot construct aims at solving the vibrations and the noise of complete machine and the reliability of structure in the transportation.
In order to achieve the above object, the utility model provides a medical oxygenerator air pump shock attenuation and fixed knot construct, include: air pump, base, damping spring and connecting bolt. The air pump is provided with a first damping piece, the first damping piece is provided with a first mounting hole, the bottom of the air pump is provided with a laterally extending mounting support, the mounting support is provided with a second mounting hole, and the first damping piece is mounted in the second mounting hole; the base is provided with a second damping piece, the second damping piece is provided with a third mounting hole, the inner surface of the bottom wall of the base is provided with a guide post, the guide post extends along the height direction, the second damping piece is sleeved on the guide post through the third mounting hole, and the top of the guide post is provided with a connecting screw hole; the damping spring is arranged between the first damping piece and the second damping piece; the connecting bolt penetrates through the first mounting hole and is tightly connected to the connecting screw hole of the guide post.
Optionally, the first damping member is provided with a first abutting platform extending along the radial direction, the first abutting platform is arranged at the lower side of the mounting support, and the second damping member is provided with a second abutting platform extending along the radial direction; damping spring locates first butt platform with between the second butt platform, damping spring one end butt first butt platform, damping spring's the other end butt second butt platform.
Optionally, the first shock absorbing member is further provided with a fixing portion extending in a radial direction, and the fixing portion is arranged on the upper side of the mounting support; the fixing portion and the first abutting platform clamp the mounting support from the upper side and the lower side of the mounting support respectively.
Optionally, a first spring limiting part is arranged on one side of the first damping piece facing the second damping piece, and a second spring limiting part is arranged on one side of the second damping piece facing the first damping piece; the damping spring is sleeved on the outer sides of the first spring limiting portion and the second spring limiting portion.
Optionally, the first mounting hole includes a limiting hole and a yielding hole which are arranged from top to bottom, the limiting hole is communicated with the yielding hole, and the aperture of the limiting hole is smaller than that of the yielding hole; the guide post is movably arranged in the abdicating hole.
Optionally, the fitting depth of the connecting bolt and the connecting screw hole is adjustable.
Optionally, a fastening convex part is convexly arranged on the side wall of the guide post, and the fastening convex part abuts against the hole wall of the third mounting hole.
Optionally, a damping washer is arranged at the bottom of the base, a washer mounting groove is formed in the bottom wall of the base, and the damping washer is mounted in the washer mounting groove; and/or the connecting bolt comprises a bolt head, and a gasket is arranged between the bolt head and the first damping piece; and/or the upper part of the base is also provided with a silencing shell, and the silencing shell is covered on the air pump.
Optionally, the air pump is provided with at least four mounting supports, and the first damping piece, the second damping piece, the damping spring and the connecting bolt corresponding to the mounting supports.
The utility model also provides a medical oxygen generator, include medical oxygen generator air pump shock attenuation and fixed knot construct.
The utility model discloses technical scheme is equipped with first shock attenuation piece through being equipped with on the erection support of air pump, and the cover is equipped with the second shock attenuation piece on the guide post of base to locate the spring first shock attenuation piece with between the second shock attenuation piece for the vibrations that the air pump produced in the course of the work are mostly absorbed by first shock attenuation piece, second shock attenuation piece and damping spring, the at utmost has reduced the holistic vibrations of medical oxygenerator. The connecting screw hole has been seted up at the guide post top, and connecting bolt passes first shock attenuation piece and erection support and is fixed in the base with air pump elasticity, prevents that the outside impact of medical oxygenerator in the process of transportation from resulting in the air pump to damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of an embodiment of the shock absorption and fixing structure of the medical oxygen generator air pump of the present invention;
FIG. 2 is a top view of an embodiment of the damping and fixing structure of the medical oxygen generator air pump of the present invention;
FIG. 3 is a cross-sectional view taken at A in FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a schematic structural view of an embodiment of the damping and fixing structure of the air pump of the medical oxygen generator of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | First |
| 111 | |
112 | Fixing |
| 113 | First |
114 | Limiting |
| 115 | Hole of stepping down | 12 | |
| 2 | |
21 | |
| 211 | Second abutting |
212 | Second |
| 22 | Guide post | 221 | Connecting |
| 222 | Fastening |
3 | |
| 4 | Connecting |
5 | Shock-absorbing washer |
| 6 | Silencing shell |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a medical oxygen generator air pump 1 shock attenuation and fixed knot construct.
In an embodiment of the present invention, referring to fig. 1 to 5, the damping and fixing structure of the medical oxygen generator air pump 1 includes: air pump 1, base 2, damping spring 3 and connecting bolt 4. The air pump 1 is provided with a first damping piece 11, the first damping piece 11 is provided with a first mounting hole, the bottom of the air pump 1 is provided with a laterally extending mounting support 12, the mounting support 12 is provided with a second mounting hole, and the first damping piece 11 is mounted in the second mounting hole; the base 2 is provided with a second damping piece 21, the second damping piece 21 is provided with a third mounting hole, the inner surface of the bottom wall of the base 2 is provided with a guide post 22, the guide post 22 extends along the height direction, the second damping piece 21 is sleeved on the guide post 22 through the third mounting hole, and the top of the guide post 22 is provided with a connecting screw hole 221; the damper spring 3 is provided between the first damper 11 and the second damper 21; the connecting bolt 4 is inserted into the first mounting hole and fastened to the connecting screw hole 221 of the guide post 22.
The utility model discloses technical scheme is equipped with first damper 11 through being equipped with on the erection support 12 of air pump 1, and the cover is equipped with second damper 21 on the guide post 22 of base 2, and locate the spring first damper 11 with between the second damper 21 for the vibrations that air pump 1 produced in the course of the work are most absorbed by first damper 11, second damper 21 and damping spring 3, the biggest holistic vibrations that have reduced medical oxygenerator. The top of the guide column 22 is provided with a connecting screw hole 221, and the connecting bolt 4 passes through the first shock absorption member 11 and the mounting support 12 to elastically fix the air pump 1 on the base 2, so that the air pump 1 is prevented from being damaged due to external impact of the medical oxygen generator in the transportation process.
The first damping piece 11 is provided with a first abutting platform 111 extending along the radial direction, the first abutting platform 111 is arranged at the lower side of the mounting support 12, and the second damping piece 21 is provided with a second abutting platform 211 extending along the radial direction; damping spring 3 is located between first butt platform 111 and second butt platform 211, damping spring 3 one end butt first butt platform 111, damping spring 3's the other end butt second butt platform 211. The provision of the first and second abutment platforms 111, 211 facilitates the mounting arrangement of the damper spring 3.
In the transportation, medical oxygenerator receives outside impact to take place vibrations, the power of this vibrations can be conducted to base 2 earlier, follow second damping piece 21 through base 2 in proper order, damping spring 3, first damping piece 11 and finally conduct to the position of air pump 1, however, first butt platform 111, second butt platform 211 and damping spring 3 are elastic material, so first damping piece 11 can further be promoted to the first butt platform 111 of 3 elastic butt of damping spring and second butt platform 211, the shock-absorbing structure's that second damping piece 21 and damping spring 3 make up jointly shock attenuation effect.
In the working process, the medical oxygen generator mainly makes a sound as the air pump 1, and the air pump 1 has certain noise and vibration in the process of compressing air, so that the damping structure formed by combining the first damping piece 11, the second damping piece 21 and the damping spring 3 together can reduce the influence of the working vibration of the air pump 1 on the medical oxygen generator and reduce the noise generated by the vibration of the medical oxygen generator.
The first shock absorbing member 11 is further provided with a fixing portion 112 extending along the radial direction, and the fixing portion 112 is arranged on the upper side of the mounting support 12; the fixing portion 112 and the first abutting platform 111 clamp the mounting seat 12 from the upper side and the lower side of the mounting seat 12, respectively, so as to fix the first shock absorbing member 11. Wherein the fixing portion 112 and the first abutting platform 111 are made of elastic materials.
A first spring limiting part 113 is arranged on one side of the first damping piece 11 facing the second damping piece 21, and a second spring limiting part 212 is arranged on one side of the second damping piece 21 facing the first damping piece 11; the damping spring 3 is sleeved outside the first spring limiting portion 113 and the second spring limiting portion 212. The first spring stopper 113 and the second spring stopper 212 respectively stopper both ends of the damper spring 3, so that the damper spring 3 does not deviate in the compression and extension processes. In addition, the material of the first spring limiting part 113 and the second spring limiting part 212 is elastic material, even in the spring compression process, the collision of the first spring limiting part 113 and the second spring limiting part 212 is also elastic collision, and certain impact force can be absorbed through deformation, so that the effect of shock absorption is realized as the shock absorption spring 3.
The first mounting hole comprises a limiting hole 114 and a yielding hole 115 which are arranged from top to bottom, the limiting hole 114 is communicated with the yielding hole 115, and the aperture of the limiting hole 114 is smaller than that of the yielding hole 115; the guide post 22 is movably disposed in the abdicating hole 115. Since the damping spring 3 is deformed by external impact to compress the damping spring 3, and the first damping member 11 approaches to the second damping member 21, the bottom of the first mounting hole of the first damping member 11 is the abdicating hole 115, so that the guide post 22 can movably extend into the abdicating hole 115 during the compression process of the damping spring 3. However, in order to avoid over-compression of the damping spring 3, the upper part of the abdicating hole 115 is provided with a communicated limit hole 114, when the damping spring 3 is compressed to the maximum, the top of the guide column 22 is abutted against the step surface between the abdicating hole 115 and the limit hole 114, so that the damping spring 3 is prevented from being further compressed and over-squeezed, and the shape of the damping spring 3 is prevented from being influenced.
It is to understand that if damping spring 3 is in the state of relaxing completely, damping spring 3 can not play absorbing effect, leads to air pump 1 to directly receive the influence of external impact easily, if damping spring 3 is in the complete compression state, then the vibrations of partial degree also can not make damping spring 3 work to damping spring 3 can not play absorbing effect. The present design sets the fitting depth of the connecting bolt 4 with the connecting screw hole 221 to be adjustable. The pre-tightening force of the compression spring is changed by adjusting the matching depth of the connecting bolt 4 and the connecting screw hole 221.
A fastening convex part 222 is protruded from the side wall of the guide post 22, and the fastening convex part 222 abuts against the hole wall of the third mounting hole. The fastening convex portion 222 can enable the second damping member 21 to be firmly sleeved on the guide post 22, and prevent the second damping member 21 from loosening and the like, thereby affecting the damping effect.
In one embodiment, a damping washer 5 is arranged at the bottom of the base 2, a washer mounting groove is formed in the bottom wall of the base 2, and the damping washer 5 is mounted in the washer mounting groove; the damping washer 5 is arranged on the base 2, and the influence of external vibration on the medical oxygen generator can be preliminarily placed. In one embodiment, the connecting bolt 4 includes a bolt head, and a gasket is disposed between the bolt head and the first damping member 11. It can be understood that, the bolt head is at the in-process of fastening material for elastic material's first bumper shock absorber 11, and first bumper shock absorber 11 is because the atress is inhomogeneous, and the part that contacts with the bolt head can take place elastic deformation to lead to the fastening force of bolt head can not fully be equipped with the gasket on first bumper shock absorber 11, in order to solve this problem, be provided with the gasket between first bumper shock absorber 11 and bolt head. However, the design is not limited thereto, and in other embodiments, the bolt head and the washer may be integrally formed, or a washer made of rigid material is fixed on the top of the first shock absorbing member 11.
In an embodiment, a silencing shell 6 is further disposed on the upper portion of the base 2, and the silencing shell 6 is disposed to cover the air pump 1. The air pump 1 can make a sound in the working process, and the silencing shell 6 is covered on the air pump 1, so that the transmission capacity of the sound generated by the air pump 1 can be reduced, and the user is troubled by the noise to the minimum extent.
The air pump 1 is at least provided with four mounting supports 12, and the first damping piece 11, the second damping piece 21, the damping spring 3 and the connecting bolt 4 corresponding to the mounting supports 12. In the present embodiment, four mounting brackets 12 are disposed at four corners of the air pump 1, but the design is not limited thereto, and in other embodiments, the number of the mounting brackets 12 may be, but is not limited to, four, three, six, eight, and so on.
The utility model also provides a medical oxygenerator, this medical oxygenerator include 1 shock attenuation of medical oxygenerator air pump and fixed knot construct, and the concrete structure of 1 shock attenuation of this medical oxygenerator air pump and fixed knot construct refers to above-mentioned embodiment, because this medical oxygenerator has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a medical oxygenerator air pump shock attenuation and fixed knot construct which characterized in that includes:
the air pump is provided with a first damping piece, the first damping piece is provided with a first mounting hole, the bottom of the air pump is provided with a laterally extending mounting support, the mounting support is provided with a second mounting hole, and the first damping piece is mounted in the second mounting hole;
the base is provided with a second damping piece, the second damping piece is provided with a third mounting hole, the inner surface of the bottom wall of the base is provided with a guide post, the guide post extends along the height direction, the second damping piece is sleeved on the guide post through the third mounting hole, and the top of the guide post is provided with a connecting screw hole;
a damper spring provided between the first damper member and the second damper member; and
and the connecting bolt penetrates through the first mounting hole and is tightly connected with the connecting screw hole of the guide post.
2. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 1, wherein the first shock absorption member is provided with a first abutting platform extending in a radial direction, the first abutting platform is provided at a lower side of the mounting support, and the second shock absorption member is provided with a second abutting platform extending in a radial direction;
damping spring locates first butt platform with between the second butt platform, damping spring one end butt first butt platform, damping spring's the other end butt second butt platform.
3. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 2, wherein the first shock absorption member is further provided with a fixation portion extending in a radial direction, the fixation portion being provided at an upper side of the mounting support;
the fixing portion and the first abutting platform clamp the mounting support from the upper side and the lower side of the mounting support respectively.
4. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 2, wherein a first spring position-limiting portion is provided on a side of the first shock absorption member facing the second shock absorption member, and a second spring position-limiting portion is provided on a side of the second shock absorption member facing the first shock absorption member;
the damping spring is sleeved on the outer sides of the first spring limiting portion and the second spring limiting portion.
5. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 3, wherein the first mounting hole comprises a limiting hole and a yielding hole arranged from top to bottom, the limiting hole is communicated with the yielding hole, and the aperture of the limiting hole is smaller than that of the yielding hole;
the guide post is movably arranged in the abdicating hole.
6. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 1, wherein the fitting depth of the connection bolt and the connection screw hole is set to be adjustable.
7. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 1, wherein a fastening protrusion is convexly provided on a side wall of the guide post, and the fastening protrusion abuts against a wall of the third mounting hole.
8. The medical oxygen generator air pump shock absorption and fixation structure as claimed in claim 1, wherein a shock absorption gasket is disposed at the bottom of the base, a gasket installation groove is disposed at the bottom wall of the base, and the shock absorption gasket is installed in the gasket installation groove; and/or
The connecting bolt comprises a bolt head, and a gasket is arranged between the bolt head and the first damping piece; and/or
The upper part of the base is also provided with a silencing shell, and the silencing shell is covered on the air pump.
9. The medical oxygen generator air pump damping and fixing structure as claimed in any one of claims 1 to 8, wherein the air pump is provided with at least four mounting supports, and the first damping member, the second damping member, the damping spring and the connecting bolt corresponding to the mounting supports.
10. A medical oxygen generator, characterized by comprising the shock-absorbing and fixing structure of the air pump of the medical oxygen generator as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220224764.9U CN217129719U (en) | 2022-01-26 | 2022-01-26 | Medical oxygen generator air pump shock attenuation and fixed knot construct and medical oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220224764.9U CN217129719U (en) | 2022-01-26 | 2022-01-26 | Medical oxygen generator air pump shock attenuation and fixed knot construct and medical oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129719U true CN217129719U (en) | 2022-08-05 |
Family
ID=82622306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220224764.9U Active CN217129719U (en) | 2022-01-26 | 2022-01-26 | Medical oxygen generator air pump shock attenuation and fixed knot construct and medical oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129719U (en) |
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2022
- 2022-01-26 CN CN202220224764.9U patent/CN217129719U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: AMBULANC (SHENZHEN) TECH. Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |