CN109701094B - Rotary-opening type negative pressure powder adding device - Google Patents
Rotary-opening type negative pressure powder adding device Download PDFInfo
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- CN109701094B CN109701094B CN201811642456.2A CN201811642456A CN109701094B CN 109701094 B CN109701094 B CN 109701094B CN 201811642456 A CN201811642456 A CN 201811642456A CN 109701094 B CN109701094 B CN 109701094B
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- assembly
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- cylinder
- rotary rod
- sealing cover
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- 239000000843 powder Substances 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 9
- 230000017531 blood circulation Effects 0.000 claims description 3
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 210000000115 thoracic cavity Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a swing type negative pressure powder adding device which comprises a cone cylinder assembly, a sealing cover assembly, a rotating rod assembly, a switching valve assembly and the like, wherein the sealing cover assembly is arranged at the top of the cone cylinder assembly and connected with the sealing cover assembly by glue, and the rotating rod assembly is arranged in the cone cylinder assembly through the sealing cover assembly and the switching valve assembly. The cone assembly comprises a cone, a first cone top, a cylinder and a first half opening; the on-off valve assembly includes a second cone top, a cylinder barrel, a hollow cylinder, and a second half opening. The first cone top is matched with the second cone top, and when the rotary rod assembly rotates to enable the first half opening and the second half opening to overlap, the opening of the device is opened. The invention forms a closed container by utilizing the matching of the components, and only when negative pressure is provided for the opening part, the powder can flow out, so that the functional requirement of the chest drainage device can be matched; meanwhile, through the arrangement of the safety pin, the device is ensured not to be opened accidentally when not in use, and the safety is ensured.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to a disposable swing type negative pressure powder adding device.
Background
In the heart and chest surgical operation process, the gas and the liquid in the chest cavity are usually required to be discharged out of the body in time, and meanwhile, the pressure of the chest cavity is required to be controlled to be in a reasonable range, so that the safety of a patient is ensured. The existing chest drainage method generally adopts a manual squeezing drainage tube to generate pressure difference so as to remove gas and liquid from the chest, and the method is difficult to control reasonable pressure and has poor effect. There are also some heart-chest drainage devices, which use a negative pressure machine to draw out the gas and liquid from the body, but the pressure range is difficult to adjust. The gas and liquid in the chest cavity need to be removed in time, and meanwhile, the expansion and contraction pressure of the chest cavity needs to be effectively controlled to be in a safe range, so that the operation safety can be effectively ensured.
The extracted waste liquid needs to be solidified by solidifying powder. In order to be matched with the thoracic drainage device, a safe and convenient-to-use solidification powder adding device needs to be designed.
Disclosure of Invention
In order to solve the problems, the invention provides a disposable swing type negative pressure powder adding device which is matched with a chest drainage device for use, and can safely and conveniently add powder to the chest drainage device.
The invention provides a swing type negative pressure powder adding device, and the technical scheme is as follows.
The rotary-opening type negative pressure powder adding device mainly comprises a cone cylinder assembly, a sealing cover assembly, a rotary rod assembly, a switching valve assembly and the like, wherein the sealing cover assembly is arranged at the top of the cone cylinder assembly, the sealing cover assembly is connected with the cone cylinder assembly, and the rotary rod assembly is arranged in the cone cylinder assembly through the sealing cover assembly and the switching valve assembly; the switch valve assembly is positioned in the cone assembly; the cone assembly comprises a cone, a first cone top, a cylinder, a first half opening and the like; the cone cylinder is connected with the cylinder through a first cone top; the first half opening is an opening on the top surface of the first cone.
Further, the sealing cover assembly comprises a round cover plate, a first cylinder, a blind hole, a limiting block and the like; the first cylinder is a cylindrical through hole; the first cylinder is positioned at the center of the round cover plate, and after the round cover plate is coaxially connected with the first cylinder, the first cylinder is still a through hole; the blind hole is a cylindrical blind hole positioned on the surface of the round cover plate; two limiting blocks are symmetrically arranged on the surface of the round cover plate.
Further, the rotary rod assembly mainly comprises a hemispherical tail end, a rotary rod, a supporting plate, a knob, a connecting soft strip, a cylindrical pin, a cylindrical hole and the like; the hemispherical tail end, the rotary rod and the supporting plate are sequentially connected into a whole; two knobs distributed in mirror image are arranged on the edge of the surface of the supporting plate, and the rotary rod assembly is rotated by rotating the knobs. One end of the connecting soft strip is fixed on one side of the supporting plate, and the other end of the connecting soft strip is fixed with a cylindrical pin; the connecting soft strip is made of soft materials and can be bent and deformed; the supporting plate is provided with a cylindrical hole; the cylindric lock can with cylinder hole clearance fit. The hemispherical end of the rotary rod assembly is positioned on the inner surface of the switch valve assembly.
Further, the switch valve assembly comprises a second cone top, a cylinder barrel, a hollow cylinder, a second half opening and the like; the bottom edge of the second cone top is connected with the cylindrical barrel; the second half opening is an opening on the top surface of the second cone; the hollow cylinder is fixed on the cone apex angle of the inner surface of the second cone apex.
Further, the rotary rod of the rotary rod assembly is coaxial with the first cylinder of the sealing cover assembly in slight interference fit, so that the matching parts of the two parts are sealed, but the sealing cover assembly is not driven to rotate when the rotary rod assembly is rotated. The hollow cylinder of the switch valve component is coaxial with the hemispherical tail end of the rotary rod component in interference fit, so that the switch valve component can be driven to rotate together when the rotary rod component is rotated. The sealing cover assembly is in glue connection with the cone assembly, so that the sealing cover assembly and the cone assembly are completely sealed and fixed. The outer surface of the second cone top contacts with the inner surface of the first cone top, and the outer surface of the cylinder barrel contacts with the inner surface of the second cylinder, so that the switch valve assembly is tightly attached to the cone barrel assembly and is in a sealing state due to the axial force provided by the rotary rod assembly.
Further, the cylindrical pin on the rotary rod assembly penetrates through the cylindrical hole to be connected with the sealing cover assembly in a matched mode. When the device is not used, the cylindrical pin is inserted into the blind hole, so that the rotary rod assembly cannot rotate, and the safety protection function is achieved; when a user pulls the connecting soft strip to pull up the cylindrical pin, the knob is rotated to enable the rotary rod assembly to rotate.
Further, the cone assembly is fixed with a storage and filtration device used for blood circulation through the outer surface of the second cylinder, and when the device is used, the rotary-opening type negative pressure powder adding device is usually required to be ensured to be in a vertical direction so that powder can be lowered along with the weight; the outer surface of the second cylinder is provided with a flange sealing strip, so that the tightness and the fixing capability of the device and other devices can be improved.
Further, the limiting block of the sealing cover assembly is used for being matched with the supporting plate of the rotary rod assembly, so that the rotary rod assembly rotates by not more than 180 degrees.
Further, the first cone top of the cone assembly is positioned on the inner surface of the second cone top and is coaxial with the second cone top (41), and when the rotary rod assembly rotates to enable the first half opening of the cone assembly to overlap with the second half opening of the switch valve assembly, the opening of the device is opened.
Further, the sealing cover assembly and the cone assembly are connected through glue.
Further, the powder is placed in the device according to the invention and is discharged by means of the negative pressure provided by the storage and filtration device from the blood circulation used in conjunction with the device according to the invention.
Compared with the prior art, the invention has the following advantages:
The invention provides a swing type negative pressure powder adding device, which utilizes a matching and sealing mechanism among components to form a closed powder-loading container, and the powder can flow out only when negative pressure is provided for an opening part, so that the powder can be added to the storage and filtering device for blood repeated circulation by matching with the functional requirements of the storage and filtering device for blood repeated circulation; meanwhile, by arranging the safety pin, the device is ensured not to be opened accidentally when not in use.
Drawings
Fig. 1 is a schematic structural view of a swing type negative pressure powder adding device of the invention.
Fig. 2 is a cross-sectional view of a swing type negative pressure powder feeding device structure of the present invention.
Fig. 3 is an exploded view of a swing type negative pressure powder adding device structure of the present invention.
Fig. 4 is a schematic diagram of the internal transfer of the device of the present invention.
FIG. 5 is a schematic diagram of a swivel assembly and a switching valve assembly according to the present invention.
Fig. 6 is a schematic view of the structure of the spin lever assembly of the present invention.
Fig. 7 is a schematic view of the bottom structure of the spin beam assembly of the present invention.
Fig. 8 is a schematic diagram of the switching valve assembly of the present invention.
FIG. 9 is a schematic view of the seal cap assembly of the present invention.
Fig. 10 is a schematic view of the cone assembly of the present invention.
FIG. 11 is a schematic diagram of a swivel rod assembly and a switching valve assembly of the present invention.
In the figure: 1-a cone assembly; 2-a seal cap assembly; 3-a swivel rod assembly; 4-a switching valve assembly; 11-cone; 12-a first cone apex; 13-a second cylinder; 14-a first half opening; 21-a round cover plate; 22-a first cylinder; 23-blind holes; 24-limiting blocks; 31-hemispherical ends; 32-rotating a rod; 33-a support plate; 34-a knob; 35-connecting soft strips; 36-a cylindrical pin; 37-cylindrical holes; 41-a second cone apex; 42-a cylinder; 43-hollow cylinder; 44-second half opening.
Detailed Description
The invention will be further illustrated with reference to specific examples, but is not limited thereto.
As shown in fig. 1-3, the swing type negative pressure powder adding device mainly comprises a cone cylinder assembly 1, a sealing cover assembly 2, a swing rod assembly 3, a switch valve assembly 4 and other components, wherein the sealing cover assembly 2 is arranged at the top of the cone cylinder assembly 1, and the sealing cover assembly 2 is connected with the cone cylinder assembly 1 through glue; the rotary rod assembly 3 is arranged in the cone assembly 1 through the sealing cover assembly 2; the switch valve assembly 4 is positioned inside the cone assembly 1; the cone assembly 1 shown in fig. 10 mainly includes a cone 11, a first cone apex 12, a second cylinder 13, a first half opening 14, and the like; the cone 11 is connected with the cone; the first half opening 14 is open from the first cone apex 1.
As shown in fig. 9, the sealing cover assembly 2 mainly comprises a round cover plate 21, a first cylinder 22, a blind hole 23, a limiting block 24 and the like; the first cylinder 22 is a cylindrical through hole; after the round cover plate 21 is connected with the first cylinder 22, the first cylinder 22 is a through hole; the blind hole 23 is positioned on the round cover plate 21 and is a cylindrical blind hole; two limiting blocks 24 are symmetrically arranged on the round cover plate 21.
As shown in fig. 6 and 7, the rotary rod assembly 3 mainly comprises a hemispherical end 31, a rotary rod 32, a supporting plate 33, a knob 34, a connecting soft strip 35, a cylindrical pin 36, a cylindrical hole 37 and the like; the hemispherical tail end 31, the rotary rod 32 and the supporting plate 33 are sequentially connected into a whole; two knobs 34 are arranged on the supporting plate 33 and are distributed in a mirror image manner; the cylindrical pin 36 is connected with the supporting plate 33 through the connecting soft strip 35, and the connecting soft strip 35 is made of soft materials and can be bent and deformed; the support plate 33 is provided with a cylindrical hole 37; the cylindrical pin 36 can be clearance fit with the cylindrical bore 37.
As shown in fig. 8, the on-off valve assembly 4 mainly includes a second cone top 41, a cylindrical barrel 42, a hollow cylinder 43, a second half opening 44, and the like; the second cone top 41 is connected with the cylindrical barrel 42; the second half opening 44 is opened by the second cone top 41; the hollow cylinder 43 holds the second cone tip 41 as a part.
As shown in fig. 4 and 5, the rotating rod 32 of the rotating rod assembly 3 is coaxial with the first cylinder 22 of the sealing cover assembly 2, and is in slight interference fit, so that the matching parts of the two parts are sealed, but the sealing cover assembly 2 is not driven to rotate when the rotating rod assembly 3 is rotated. As shown in fig. 11, the hollow cylinder 43 of the switching valve assembly 4 is coaxial with the hemispherical end 31 of the rotary rod assembly 3 in an interference fit, so that the switching valve assembly 4 can be driven to rotate together when the rotary rod assembly 3 is rotated. The sealing cover assembly 2 is in glue connection with the cone assembly 1, so that the sealing cover assembly and the cone assembly are completely sealed and fixed. The on-off valve assembly 4 is attached to the conical cylinder 11 of the conical cylinder assembly 1, the first conical top 12 and the inner surface of the second cylinder 13 through the outer surfaces of the second conical top 41 and the cylindrical cylinder 42, and the on-off valve assembly 4 is tightly attached to the conical cylinder assembly 1 and is in a sealing state due to the axial force provided by the rotary rod assembly 3.
Cylindrical pins 36 on the swivel rod assembly 3 pass through cylindrical holes 37 to be connected with blind holes 23 on the sealing cover assembly 2. When the device is not used, the cylindrical pin 36 is inserted into the blind hole 23, so that the rotary rod assembly 3 cannot rotate; when the user pulls the connecting soft strip 35 to pull up the cylindrical pin 36, the rotary rod assembly 3 can rotate.
The first cone apex 12 of the cone assembly 1 is matched with the second cone apex 41 of the switch valve assembly 4, when the rotary rod assembly 3 rotates to enable the first half opening 14 of the cone assembly 1 to overlap with the second half opening 44 of the switch valve assembly 4, the opening of the device is opened, powder is dependent on a storage and filtering device which is used in cooperation with the device and is used for repeatedly recycling blood, and negative pressure provided by the storage and filtering device enables the powder in the device to flow out smoothly.
Further, the cone assembly 1 is fixedly and hermetically connected with other devices through the outer side of the second cylinder 13, and a flange sealing strip is arranged on the outer side of the second cylinder 13, so that the sealing performance and the fixing capability of the device are improved.
Further, the stopper 24 of the sealing cover assembly 2 is used for being matched with the supporting plate 33 of the rotary rod assembly 3, so that the rotary rod assembly 3 rotates by not more than 180 degrees.
Further, the first cylinder 22, cone, first cone tip 12, second cylinder 13, second cone tip 41, and cylinder 42 may be thin-walled.
In use, the device of the present invention is inserted into a through hole of a storage and filtration device for blood recycling, and is ready for use after securing the device of the present invention in a secure fit with a storage and filtration device for blood recycling.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention.
Claims (6)
1. A swing type negative pressure powder adding device is characterized in that: comprises a cone cylinder assembly (1), a sealing cover assembly (2), a rotary rod assembly (3) and a switch valve assembly (4); the sealing cover assembly (2) is arranged at the top of the cone assembly (1), and the sealing cover assembly (2) is connected with the cone assembly (1); the rotary rod assembly (3) is arranged in the cone assembly (1) through the sealing cover assembly (2); the switch valve assembly (4) is positioned in the cone assembly (1); the cone assembly (1) comprises a cone (11), a first cone top (12), a second cylinder (13) and a first half opening (14); the cone (11) is connected with the second cylinder (13) through the first cone top (12); the first half opening (14) is an opening on the surface of the first cone roof (12); the sealing cover assembly (2) comprises a round cover plate (21), a first cylinder (22), a blind hole (23) and a limiting block (24); the first cylinder (22) is a cylindrical through hole; the first cylinder (22) is positioned at the center of the round cover plate (21), and the first cylinder (22) is still a through hole after the round cover plate (21) is coaxially connected with the first cylinder (22); the blind hole (23) is a cylindrical blind hole positioned on the surface of the round cover plate (21); two limiting blocks (24) are symmetrically arranged on the surface of the round cover plate (21), so that the rotary rod assembly (3) rotates by not more than 180 degrees; the rotary rod assembly (3) comprises a hemispherical tail end (31), a rotary rod (32), a supporting plate (33), a knob (34), a connecting soft strip (35), a cylindrical pin (36) and a cylindrical hole (37); the hemispherical tail end (31), the rotary rod (32) and the supporting plate (33) are sequentially connected into a whole; the two knobs (34) are distributed on the edge of the surface of the supporting plate (33) in a mirror image mode; one end of the connecting soft strip (35) is fixed on the surface of the supporting plate (33); the other end of the connecting soft strip (35) is fixed with a cylindrical pin (36), and a cylindrical hole (37) is formed in the surface of the supporting plate (33); the cylindrical pin (36) is in clearance fit with the cylindrical hole (37); the hemispherical tail end (31) is positioned on the inner surface of the switch valve assembly (4), and the cylindrical pin (36) penetrates through the cylindrical hole (37) to be connected with the blind hole (23) in a matched mode.
2. The swing negative pressure powder adding device according to claim 1, wherein: the switch valve assembly (4) comprises a second cone top (41), a cylindrical barrel (42), a hollow cylinder (43) and a second half opening (44); the bottom edge of the second cone top (41) is connected with the cylindrical barrel (42); the second half opening (44) is an opening on the surface of the second cone roof (41); the hollow cylinder (43) is fixed on the cone apex angle of the inner surface of the second cone apex (41).
3. The swing negative pressure powder adding device according to claim 2, wherein: the rotary rod (32) is in coaxial interference fit with the first cylinder (22), but the rotary rod assembly (3) is rotated without driving the sealing cover assembly (2) to rotate; the hollow cylinder (43) is in coaxial interference fit with the hemispherical tail end (31), so that the rotary rod assembly (3) can drive the switch valve assembly (4) to rotate together; the outer surface of the second cone top (41) is simultaneously contacted with the inner surface of the first cone top (12) and the inner surface of the second cylinder (13), and the axial force is provided by the rotary rod assembly (3), so that the switch valve assembly (4) is tightly attached to the cone cylinder assembly (1) and is in a sealing state.
4. The swing negative pressure powder adding device according to claim 1, wherein: the cone cylinder assembly (1) is fixed with a storage and filtration device for blood circulation through the outer surface of a second cylinder (13), and a flange sealing strip is arranged on the outer surface of the second cylinder (13).
5. The swing negative pressure powder adding device according to claim 1, wherein: the first cone top (12) is positioned on the inner surface of the second cone top (41) and is coaxial with the second cone top (41), and when the rotary rod assembly (3) rotates, the first half opening (14) and the second half opening (44) are overlapped.
6. The swing negative pressure powder adding device according to claim 1, wherein: the sealing cover assembly (2) is connected with the cone assembly (1) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642456.2A CN109701094B (en) | 2018-12-29 | 2018-12-29 | Rotary-opening type negative pressure powder adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642456.2A CN109701094B (en) | 2018-12-29 | 2018-12-29 | Rotary-opening type negative pressure powder adding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109701094A CN109701094A (en) | 2019-05-03 |
| CN109701094B true CN109701094B (en) | 2024-05-24 |
Family
ID=66260382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811642456.2A Active CN109701094B (en) | 2018-12-29 | 2018-12-29 | Rotary-opening type negative pressure powder adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109701094B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6620124B1 (en) * | 1999-12-03 | 2003-09-16 | Scimed Life Systems, Inc. | Valve port assembly with coincident engagement member for fluid transfer procedures |
| CN103318517A (en) * | 2013-07-12 | 2013-09-25 | 曼盛包装（上海）有限公司 | Metering bottle cap used for powder products |
| CN204446728U (en) * | 2015-02-15 | 2015-07-08 | 荆军防 | A kind of Vasculocardiology Deparment drainage system |
| CN105366109A (en) * | 2014-09-02 | 2016-03-02 | 湖北丰庆源粮油集团有限公司 | Flour bagging discharge port |
| CN107582404A (en) * | 2016-07-07 | 2018-01-16 | 黄嘉宝 | Portable nursing bottle |
| CN207434188U (en) * | 2017-11-23 | 2018-06-01 | 冯彦 | Portable constant volume milk powder box |
| CN108853616A (en) * | 2018-06-25 | 2018-11-23 | 河南驼人贝斯特医疗器械有限公司 | The negative pressure drainage device that achievable waste liquid solidifies at any time |
| CN210355464U (en) * | 2018-12-29 | 2020-04-21 | 东莞康智医疗器械有限公司 | Swing type negative pressure powder adding device |
-
2018
- 2018-12-29 CN CN201811642456.2A patent/CN109701094B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6620124B1 (en) * | 1999-12-03 | 2003-09-16 | Scimed Life Systems, Inc. | Valve port assembly with coincident engagement member for fluid transfer procedures |
| CN103318517A (en) * | 2013-07-12 | 2013-09-25 | 曼盛包装（上海）有限公司 | Metering bottle cap used for powder products |
| CN105366109A (en) * | 2014-09-02 | 2016-03-02 | 湖北丰庆源粮油集团有限公司 | Flour bagging discharge port |
| CN204446728U (en) * | 2015-02-15 | 2015-07-08 | 荆军防 | A kind of Vasculocardiology Deparment drainage system |
| CN107582404A (en) * | 2016-07-07 | 2018-01-16 | 黄嘉宝 | Portable nursing bottle |
| CN207434188U (en) * | 2017-11-23 | 2018-06-01 | 冯彦 | Portable constant volume milk powder box |
| CN108853616A (en) * | 2018-06-25 | 2018-11-23 | 河南驼人贝斯特医疗器械有限公司 | The negative pressure drainage device that achievable waste liquid solidifies at any time |
| CN210355464U (en) * | 2018-12-29 | 2020-04-21 | 东莞康智医疗器械有限公司 | Swing type negative pressure powder adding device |
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| CN109701094A (en) | 2019-05-03 |
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