CN208851598U - Sealing device and puncture tube with double screening glass - Google Patents
Sealing device and puncture tube with double screening glass Download PDFInfo
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- CN208851598U CN208851598U CN201820549273.5U CN201820549273U CN208851598U CN 208851598 U CN208851598 U CN 208851598U CN 201820549273 U CN201820549273 U CN 201820549273U CN 208851598 U CN208851598 U CN 208851598U
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- screening glass
- ring
- seal
- sealing device
- positioning
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Abstract
The utility model discloses a kind of sealing devices with double screening glass, including shell and seal member；The shell includes upper shell and lower casing；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal, lower screening glass and lower ring block；The upper ring block is fixedly connected with lower ring block, sets gradually screening glass, seal, lower screening glass between the two；The upper shell has the first compacting ring；The lower casing has the second compacting ring；Seal is fixed using the first compacting ring and the second compacting ring.The sealing device structure with double screening glass of the utility model is simple; it is easy to use; can effectively reduce puncture needle and endoscopic instruments insert or pull out the plug resistance of puncture tube, at the same can also effective protection seal be not punctured in swapping process, greatly reduce operation risk.The invention also discloses a kind of puncture tubes of sealing device that double screening glass are had containing this.
Description
Technical field
The utility model relates to puncture outfit technical field, especially a kind of sealing device and puncture with double screening glass
Pipe.
Background technique
Popularity rate of the Minimally Invasive Surgery on clinical operation is higher and higher, and puncture outfit is required a kind of doctor in Minimally Invasive Surgery
Treat instrument.Puncture tube is a part of puncture outfit, and sealing device is the core component of puncture tube.General diameter in the prior art
It is funnel type sealing ring to sealing ring, usually will be installed sealing ring screening glass on the top of funnel type sealing ring, so that instrument exists
When passing in and out puncture outfit, inwardly moved through radial direction seal ring along the surface of screening glass, but this puncture outfit exists when in use
It is biggish to poke risk.CN206675578U discloses a kind of sealing ring screening glass for puncture outfit, end seal assembly and wears
Device is pierced, mainly existing sealing ring screening glass is improved, its sealing ring screening glass includes positioning skirt, support chip
And curved surface screening glass, there is the shortcomings that structure is complicated, and assembling is difficult, high production cost.
The puncture tube that therefore, it is necessary to a kind of structures simply, energy effective protection seal is not punctured in swapping process.
Utility model content
First of the utility model is designed to provide a kind of sealing device with double screening glass.
Second of the utility model is designed to provide a kind of puncture tube containing aforementioned seal device.
To realize above-mentioned first purpose, the utility model uses the following contents:
A kind of sealing device with double screening glass, including shell and seal member；The shell includes upper shell under
Shell；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal, lower screening glass
With lower ring block；The upper ring block is fixedly connected with lower ring block, sets gradually screening glass, seal, lower screening glass between the two；
The upper shell has the first compacting ring；The lower casing has the second compacting ring；Utilize the first compacting ring and the second compacting ring
Seal is fixed.
Further, the lower casing also has locating slot；The seal has skirt and positioning ring group；The positioning
Ring group is connect with locating slot, and skirt is located in locating slot.
Further, the seal includes sequentially connected skirt, positioning ring group, locating ring and center from outside to inside
Piece；The positioning ring group includes the first positioning ring, the second positioning ring and the recess between the first positioning ring, the second positioning ring
Portion；There are several third location holes on the locating ring；The centre slice has upper and lower surfaces.
Further, the upper screening glass is located at the upper surface of the centre slice of seal, and lower screening glass is located at seal
Centre slice lower surface at.
Further, the seal member includes the upper screening glass that two panels is staggeredly superimposed and the lower protection that two panels is staggeredly superimposed
Piece.
Further, the upper screening glass periphery has several second location holes, and center is made of four the first guide pins,
Hollow space is darted similar to quadrangle；The lower screening glass periphery has several 4th location holes, and center is by four the second guide pins
It constitutes, hollow space is darted similar to quadrangle.
Further, there are several first positioning holes on the upper ring block；It is several fixed that the upper surface of the lower ring block has
Position boss；The upper ring block is fixedly connected through first positioning hole with positioning convex platform with lower ring block.
To realize above-mentioned second purpose, the utility model uses the following contents:
A kind of puncture tube contains the sealing device above-mentioned with double screening glass.
Further, the puncture tube includes collar tube sub-assembly and sealing device；Described sleeve pipe component includes switch seal, bottom
Flap, air shuttle valve, pedestal, O-ring, casing, switch, gas injection valve.
The utility model has the advantage that
The sealing device structure with double screening glass of the utility model is simple, easy to use, can effectively reduce puncture
Needle and endoscopic instruments insert or pull out the plug resistance of puncture tube, at the same can also effective protection seal in swapping process not by
It pokes, greatly reduces operation risk.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the cross-sectional view of the sealing device with double screening glass of the utility model.
Fig. 2 is the decomposition diagram of the sealing device with double screening glass of the utility model.
Fig. 3 is the cross-sectional view of the upper shell of the utility model.
Fig. 4 is the cross-sectional view of the lower casing of the utility model.
Fig. 5 is the stereoscopic schematic diagram of the seal of the utility model.
Fig. 6 is the cross-sectional view of the seal of the utility model.
Fig. 7 is the stereoscopic schematic diagram of the upper screening glass of the utility model.
Fig. 8 is the stereoscopic schematic diagram of the lower screening glass of the utility model.
Fig. 9 is the structural schematic diagram of the puncture tube with double screening glass sealing devices of the utility model.
Figure 10 is the decomposition diagram of the puncture tube with double screening glass sealing devices of the utility model.
In figure, each appended drawing reference are as follows:
1- sealing device；The upper shell of 10-；The first compacting ring of 100-；101- first shell ontology；The upper ring block of 11-；110- first
Location hole；The upper screening glass of 12-；120- second location hole；The first guide pin of 121-；13- seal；130- centre slice；1301-
Rib；The upper surface 1302-；The lower surface 1303-；The skirt 131-；132- locating ring；1321- third location hole；133- positioning ring group；
The first positioning ring of 1331-；The second positioning ring of 1332-；1333- recessed portion；Screening glass under 14-；The 4th location hole of 140-；141-
Two guide pins；Ring block under 15-；150- positioning convex platform；16- lower casing；The second compacting ring of 160-；161- locating slot；162- second
Shell ontology；17- switch seal；18- base cover；19- air shuttle valve；20- pedestal；21-O shape circle；22- casing；23- switch；24- note
Air valve.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done further below with reference to preferred embodiment
It is bright.It will be appreciated by those skilled in the art that specifically described content is illustrative and be not restrictive below, it should not be with this
Limit the protection scope of the utility model.
Embodiment
As illustrated in fig. 1 and 2, be the utility model the sealing device with double screening glass schematic diagram.It should be protected with double
The sealing device 1 of bluff piece includes shell and seal member, all has hole in shell and seal member center.
Shell includes upper shell 10 and lower casing 16.Upper shell 10 is located at the upper end of lower casing 16, can pass through between the two
Buckle, screw thread, welding etc. mode are fixedly connected.In the present embodiment, using ultrasonic bonding connection.Upper shell 10 has first
Shell ontology 101 has the first compacting ring 100, as shown in Figure 3 inside it.Lower casing 16 has second shell ontology 162, at it
Upper surface has the second compacting ring 160, is externally provided with locating slot 161 in the second compacting ring 160, as shown in Figure 4.
Seal member is arranged between upper shell 10 and lower casing 16, including upper ring block 11, upper screening glass 12, seal
13, lower screening glass 14 and lower ring block 15, upper ring block 11 are fixedly connected with lower ring block 15, set gradually from top to bottom between the two
Screening glass 12, seal 13, lower screening glass 14.
There are several first positioning holes 110 on upper ring block 11.
Upper 12 periphery of screening glass has several second location holes 120, and center is made of four the first guide pins 121, hollow
The similar quadrangle in part darts, as shown in Figure 7.
Figures 5 and 6 are the schematic diagrames of seal 13.Seal 13 includes sequentially connected skirt 131, positioning ring from outside to inside
Group 133, locating ring 132 and centre slice 130.Positioning ring group 133 includes the first positioning ring 1331, the second positioning ring 1332 and is located at
Recessed portion 1333 between first positioning ring 1331, the second positioning ring 1332.When assembling, positioning ring group 133 and locating slot 161 connect
It connects, skirt 131 is located in locating slot 161, using the first compacting ring 100 and the second compacting ring 160 that seal 13 is fixed.Positioning
There are several third location holes 1321 on circle 132.Centre slice 130 has upper surface 1302 and lower surface 1303, in upper surface
1302 and lower surface 1303 on be evenly distributed with several ribs 1301.
Lower 14 periphery of screening glass has several 4th location holes 140, and center is made of four the second guide pins 141, hollow
The similar quadrangle in part darts, as shown in Figure 8.When assembling, two on piece screening glass 12, which interlock, is superimposed upon the upper surface of seal 13
At 1302, screening glass 14 is staggeredly superimposed upon at the lower surface 1303 of seal 13 under two panels, and second location hole the 120, the 4th positions
Hole 140 is aligned with the third location hole 1321 of seal 13.
The upper surface of lower ring block 15 has several positioning convex platforms 150.When assembling, positioning convex platform 150 and first positioning hole 110
It is fixedly connected, realization positions upper screening glass 12, seal 13 and lower screening glass 14.
When puncture needle or endoscopic instrument insertion sealing device 1, connect first with the first guide pin 121 of upper screening glass 12
Touching, contacts without the upper surface 1302 directly with seal 13, can effectively prevent the point of puncture needle or endoscopic instrument outer surface
Sharp thing pokes seal 13 during insertion.
When puncture needle or endoscopic instrument extract sealing device 1, connect first with the second guide pin 141 of lower screening glass 14
Touching, contacts without the lower surface 1303 directly with seal 13, can effectively prevent falling for puncture needle or endoscopic instrument outer surface
Thorn object pokes seal 13 in withdrawal process.
It as shown in Figures 9 and 10, is the utility model with pair structural schematic diagram of the puncture tube of screening glass sealing devices.
The puncture tube includes collar tube sub-assembly and sealing device 1, and collar tube sub-assembly is snapped connection with sealing device 1.Collar tube sub-assembly includes switch
Seal 17, base cover 18, air shuttle valve 19, pedestal 20, O-ring 21, casing 22, switch 23, gas injection valve 24.Switch seal 17 is bullet
Property part, flexible fastening is in the upper end of base cover 18.Base cover 18 and pedestal 20 are welded to connect, while air shuttle valve 19 is fixed on bottom
In seat 20.21 sets of O-ring is on casing 22.Casing 22 is snapped connection with pedestal 20.Switch 23 is flexibly connected with gas injection valve 24.Note
Air valve 24 is fixedly connected with pedestal 20.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (9)
1. a kind of sealing device with double screening glass, which is characterized in that including shell and seal member；The shell includes upper
Shell and lower casing；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal,
Lower screening glass and lower ring block；The upper ring block is fixedly connected with lower ring block, set gradually between the two screening glass, seal,
Lower screening glass；The upper shell has the first compacting ring；The lower casing has the second compacting ring；Utilize the first compacting ring and
Two compacting rings fix seal.
2. sealing device according to claim 1, which is characterized in that the lower casing also has locating slot；The sealing
Body has skirt and positioning ring group；The positioning ring group is connect with locating slot, and skirt is located in locating slot.
3. sealing device according to claim 2, which is characterized in that the seal includes sequentially connected from outside to inside
Skirt, positioning ring group, locating ring and centre slice；The positioning ring group is including the first positioning ring, the second positioning ring and positioned at first
Recessed portion between positioning ring, the second positioning ring；There are several third location holes on the locating ring；The centre slice has upper
Surface and lower surface.
4. sealing device according to claim 3, which is characterized in that the upper screening glass is located at the centre slice of seal
At upper surface, lower screening glass is located at the lower surface of the centre slice of seal.
5. sealing device according to claim 1, which is characterized in that the seal member include two panels interlock be superimposed it is upper
The lower screening glass that screening glass and two panels are staggeredly superimposed.
6. sealing device according to claim 1 or 5, which is characterized in that the upper screening glass periphery has several second
Location hole, center are made of four the first guide pins, and hollow space darts shape in quadrangle；The lower screening glass periphery has several
4th location hole, center are made of four the second guide pins, and hollow space darts shape in quadrangle.
7. sealing device according to claim 1, which is characterized in that have several first positioning holes on the upper ring block；
The upper surface of the lower ring block has several positioning convex platforms；The upper ring block and lower ring block are solid through first positioning hole and positioning convex platform
Fixed connection.
8. a kind of puncture tube, which is characterized in that contain the sealing dress as claimed in claim 1 with double screening glass
It sets.
9. puncture tube according to claim 8, which is characterized in that the puncture tube includes collar tube sub-assembly and sealing device；
Described sleeve pipe component includes switch seal, base cover, air shuttle valve, pedestal, O-ring, casing, switch, gas injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549273.5U CN208851598U (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549273.5U CN208851598U (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208851598U true CN208851598U (en) | 2019-05-14 |
Family
ID=66410632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820549273.5U Active CN208851598U (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208851598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384545A (en) * | 2018-04-18 | 2019-10-29 | 微氪医疗器械南通有限公司 | Sealing device and puncture tube with double screening glass |
-
2018
- 2018-04-18 CN CN201820549273.5U patent/CN208851598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384545A (en) * | 2018-04-18 | 2019-10-29 | 微氪医疗器械南通有限公司 | Sealing device and puncture tube with double screening glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226300 building A1, No. 173 Ganjiang Road, Tongzhou Bay Jianghai joint development demonstration zone, Nantong City, Jiangsu Province Patentee after: Wanheng medical technology (Nantong) Co.,Ltd. Address before: No. 108 Qiantangjiang Road, Tongzhou Bay Jianghai joint development demonstration zone, Nantong City, Jiangsu Province, 226000 Patentee before: VHMED (NANTONG) Co.,Ltd. |
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| CP03 | Change of name, title or address |