CN210990850U - Short and weak suction pipe - Google Patents
Short and weak suction pipe Download PDFInfo
- Publication number
- CN210990850U CN210990850U CN201921701624.0U CN201921701624U CN210990850U CN 210990850 U CN210990850 U CN 210990850U CN 201921701624 U CN201921701624 U CN 201921701624U CN 210990850 U CN210990850 U CN 210990850U
- Authority
- CN
- China
- Prior art keywords
- end cover
- straw
- short
- weak
- ooff valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Table Equipment (AREA)
Abstract
The utility model discloses a short and weak straw, including end cover, body and ooff valve, the one end integrated into one piece of body has the straw connector, and the end cover has been cup jointed to the other end of body, is provided with first back-off on the outer wall of end cover upper end, and just first back-off is the upper end of evenly arranging at the end cover of annular, the body is close to the position department of straw connector one end and installs the ooff valve, and the ooff valve sealing washer is all installed with the junction of body in the ooff valve both ends. The utility model discloses a split type design, the end cover is connected with the body through the mode of pegging graft, so when dismantling the hose, can directly dismantle the end cover, then cut the hose and change the end cover can, it is convenient to change, and it is fast to change, the junction of body and end cover is provided with grafting cambered surface and end cover seal groove respectively simultaneously, the plug of the end cover can be convenient for in the design of grafting cambered surface, and set up the end cover sealing washer in the inside of end cover seal groove, guarantee the leakproofness of end cover and body junction.
Description
Technical Field
The utility model relates to a dentistry auxiliary instrument technical field specifically is a short weak straw.
Background
The short and weak suction tube is an auxiliary instrument for dental medical treatment, and is a device for a dentist to suck saliva in the oral cavity of a patient by adopting negative pressure during dental treatment, so that the influence on the treatment caused by excessive saliva is prevented;
the leakproofness of the ooff valve of present weak straw of weak point is relatively poor, leaks easily, and is very inseparable behind the hose of medical instrument is established to straw tip cover in addition, need cut the hose short again and clear away the remaining hose of straw portion during the dismantlement to can realize dismantling of hose, the straw of being convenient for carries out the secondary and uses, high operation process is very troublesome, the straw is the integrated into one piece structure weak in the short of current simultaneously, it is more inconvenient when dismantling the hose.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a short and weak straw, the leakproofness of the ooff valve of the current short and weak straw that proposes in solving above-mentioned background art is relatively poor, leak easily, and it is very inseparable after medical instrument's hose is established to straw tip cover, need cut the hose short again and clear away the remaining hose of straw portion when dismantling, thereby can realize dismantling of hose, the straw of being convenient for carries out the secondary and uses, high operation process is very troublesome, the short and weak straw that has now simultaneously is integrated into one piece structure, more inconvenient problem when dismantling the hose.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a short weak straw, includes end cover, body and ooff valve, the one end integrated into one piece of body has the straw connector, and the end cover has been cup jointed to the other end of body, is provided with first back-off on the outer wall of end cover upper end, and just first back-off is the upper end of annular evenly arranging at the end cover, the body is close to the position department of straw connector one end and installs the ooff valve, and the ooff valve sealing washer is all installed with the junction of body in ooff valve both ends.
Preferably, an end cover at the bottom of the first reverse buckle is provided with an annular limiting groove, and the limiting groove surrounds the outer edge of the bottom of the first reverse buckle.
Preferably, the end of the pipe body is provided with an inserting protrusion, an inserting arc surface is arranged on the outer wall of the inserting protrusion, an end cover sealing groove matched with the inserting protrusion is formed in the bottom of the end cover, and an end cover sealing ring is arranged on the inner wall of the end cover sealing groove.
Preferably, the outer wall of the straw connector is provided with a second reverse buckle, and the inner diameter of the straw connector is larger than that of the pipe body.
Preferably, the switch valve is installed on the pipe body in an insertion mode, the switch valve penetrates through two corresponding sides of the pipe body, the switch valve is perpendicular to the pipe body, and a handle is integrally formed on the outer wall of the switch valve.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the short and weak suction pipe adopts a split type design, and the end cover is connected with the pipe body in an inserting mode, so that the end cover can be directly detached when the hose is detached, then the hose is cut off, and the end cover is replaced, so that the replacement is convenient, and the replacement speed is high;
(2) the connection part of the pipe body and the end cover is respectively provided with an inserting cambered surface and an end cover sealing groove, the inserting cambered surface is designed to be convenient for inserting and pulling the end cover, and an end cover sealing ring is arranged in the end cover sealing groove to ensure the sealing property of the connection part of the end cover and the pipe body;
(3) the switch valve runs through the pipe body, and installs the valve body sealing washer in the junction of switch valve both ends and pipe body, and the switch valve adopts bayonet mounting structure, and the convenient to detach installation to be convenient for clean the inside of short and weak straw.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the overall structure of the present invention.
In the figure: 1. an end cap; 11. end cover seal grooves; 12. an end cap seal ring; 13. a limiting groove; 14. a first reverse buckle; 2. a pipe body; 21. inserting an arc surface; 22. a straw connector; 23. a second reverse buckle; 3. an on-off valve; 31. a switch sealing ring; 32. a handle.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a short and weak straw comprises an end cover 1, a straw body 2 and a switch valve 3, wherein a straw connector 22 is integrally formed at one end of the straw body 2 and used for being connected with a straw, a second reverse buckle 23 is arranged on the outer wall of the straw connector 22 and used for ensuring the firmness of the connected straw, the inner diameter of the straw connector 22 is larger than that of the straw body 2, water flow flows from a large diameter to a small diameter, the speed of the water flow can be increased under the action of negative pressure, the adsorption rate is accelerated, and the end cover 1 is sleeved at the other end of the straw body 2;
the end part of the pipe body 2 is provided with an inserting bulge, an inserting cambered surface 21 is arranged on the outer wall of the inserting bulge, an end cover sealing groove 11 matched with the inserting bulge is arranged at the bottom of the end cover 1, so that the end cover 1 can be conveniently inserted and pulled out, and an end cover sealing ring 12 is arranged on the inner wall of the end cover sealing groove 11, so that the sealing property of the connection between the end cover 1 and the pipe body 2 is ensured;
the outer wall of the upper end of the end cover 1 is provided with a first reverse buckle 14 used for being matched with a hose, the first reverse buckle 14 is uniformly arranged at the upper end of the end cover 1 in an annular shape, the connection firmness of the hose is ensured, an annular limiting groove 13 is arranged on the end cover 1 at the bottom of the first reverse buckle 14, and the limiting groove 13 surrounds the outer edge of the bottom of the first reverse buckle 14 and is used for limiting the insertion depth of the hose and preventing the hose from being broken due to over-deep insertion;
The working principle is as follows: before the use, at first with the one end of body 2 and straw connection, then cup joint end cover 1 on body 2, and cup joint the first back-off 14 department on end cover 1 with the hose, insert the ooff valve 3 and install on body 2 at last, and control it through handle 32, because short weak straw is for the components of a whole that can function independently design, so can directly dismantle end cover 1 when dismantling the hose, then cut the hose and change end cover 1 can, and the junction of body 2 and end cover 1 sets up grafting cambered surface 21 structure, the pulling out of end cover 1 of being convenient for.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a short weak straw, includes end cover (1), body (2) and ooff valve (3), its characterized in that: one end integrated into one piece of body (2) has straw connector (22), and end cover (1) has been cup jointed to the other end of body (2), is provided with first back-off (14) on the outer wall of end cover (1) upper end, and first back-off (14) are the upper end of annular evenly arranging at end cover (1), body (2) are close to the position department of straw connector (22) one end and install ooff valve (3), and ooff valve sealing washer (31) are all installed with the junction of body (2) in ooff valve (3) both ends.
2. A short and weak drinking straw as claimed in claim 1, wherein: an annular limiting groove (13) is formed in the end cover (1) at the bottom of the first reverse buckle (14), and the limiting groove (13) surrounds the outer edge of the bottom of the first reverse buckle (14).
3. A short and weak drinking straw as claimed in claim 1, wherein: the end of the pipe body (2) is provided with a plug-in protrusion, a plug-in cambered surface (21) is arranged on the outer wall of the plug-in protrusion, an end cover sealing groove (11) matched with the plug-in protrusion is formed in the bottom of the end cover (1), and an end cover sealing ring (12) is arranged on the inner wall of the end cover sealing groove (11).
4. A short and weak drinking straw as claimed in claim 3, wherein: the outer wall of the straw connector (22) is provided with a second reverse buckle (23), and the inner diameter of the straw connector (22) is larger than that of the pipe body (2).
5. A short and weak drinking straw as claimed in claim 1, wherein: switch valve (3) bayonet installation is on body (2), and corresponding both sides on body (2) are run through in switch valve (3), and switch valve (3) and body (2) mutually perpendicular, and integrated into one piece has handle (32) on the outer wall of switch valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921701624.0U CN210990850U (en) | 2019-10-12 | 2019-10-12 | Short and weak suction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921701624.0U CN210990850U (en) | 2019-10-12 | 2019-10-12 | Short and weak suction pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210990850U true CN210990850U (en) | 2020-07-14 |
Family
ID=71483877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921701624.0U Active CN210990850U (en) | 2019-10-12 | 2019-10-12 | Short and weak suction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210990850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451852A (en) * | 2020-11-02 | 2021-03-09 | 广东德瑞源新材料科技有限公司 | Integrated breathing machine oxygen connector and preparation method thereof |
-
2019
- 2019-10-12 CN CN201921701624.0U patent/CN210990850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451852A (en) * | 2020-11-02 | 2021-03-09 | 广东德瑞源新材料科技有限公司 | Integrated breathing machine oxygen connector and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3730061A3 (en) | A cassette for use with a medical waste collection system | |
| CN210990850U (en) | Short and weak suction pipe | |
| CN202458288U (en) | Endoscope casing | |
| CN210962394U (en) | Long and strong straw | |
| CN211723669U (en) | Manual washing unit of otology | |
| CN105342717A (en) | Oral cavity inner supporting device for dental operation | |
| CN206652039U (en) | A kind of leakproof water syringe | |
| CN220025234U (en) | Power system | |
| CN205073363U (en) | Catheterization bagging apparatus is used in nursing | |
| CN209827061U (en) | Mouth wash suction pipe | |
| CN215690259U (en) | Controllable splash-proof negative pressure ball drainage device | |
| CN215273841U (en) | Automatic washing unit of otology | |
| CN211355846U (en) | Forceps channel cap capable of preventing surgical liquid from flowing backwards, operation part and endoscope | |
| CN106821515A (en) | Air impeller fast handle | |
| CN211132347U (en) | Closed thoracic negative pressure drainage device | |
| CN219022231U (en) | Nose washing joint | |
| CN208339620U (en) | A kind of oral evacuator and the oral cavity comprehensive treatment instrument using it | |
| CN210749438U (en) | Disposable uterine cavity tissue suction tube | |
| CN212879654U (en) | Portable tooth flushing device with leakproof detachable water tank | |
| CN216985244U (en) | Portable tooth washing device | |
| CN221285970U (en) | Oral care cleaner | |
| CN220676160U (en) | Supporting device capable of opening mucous membrane | |
| CN203609740U (en) | Enema tube with detachable airbag | |
| CN217418166U (en) | Normal pressure filling machine capable of preventing drip and suck back | |
| CN215915005U (en) | Oral cavity flusher module replacement structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |