CN209271487U - A kind of ear washing bulb - Google Patents
A kind of ear washing bulb Download PDFInfo
- Publication number
- CN209271487U CN209271487U CN201821465532.2U CN201821465532U CN209271487U CN 209271487 U CN209271487 U CN 209271487U CN 201821465532 U CN201821465532 U CN 201821465532U CN 209271487 U CN209271487 U CN 209271487U
- Authority
- CN
- China
- Prior art keywords
- ear washing
- washing bulb
- hollow part
- air bag
- pipette
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of ear washing bulbs.The ear washing bulb includes the air bag and air intake duct being connected, and the end face of the air intake duct is provided with suction hole；It is communicated with hollow part with a scale on the air bag, the junction of the air bag and hollow part is additionally provided with the seal member that can be moved along the inner wall of hollow part.Ear washing bulb provided by the utility model so that ear washing bulb forms negative pressure, is cooperated the instruction of scale, can quantitatively control the uptake of ear washing bulb, operate conveniently, structure is simple by the movement of seal member.
Description
Technical field
The utility model belongs to chemical apparatuses technical field, more particularly, to a kind of ear washing bulb.
Background technique
The solution of accurate measuring small volume is generally required in chemical experiment, titrimetry, beaker, graduated cylinder etc. are unable to satisfy
High-precision measures, it is therefore desirable to pipette reagent using pipette.And ear washing bulb is a kind of auxiliary tool for pipetting reagent, generally
It is used cooperatively with pipette.Traditional ear washing bulb when in use, is unable to control the amount of the liquid of its absorption, needs repeated multiple times
After drawing excessive reagent, then extra reagent removed from pipette, operation is inconvenient.
Therefore, the ear washing bulb that reagent can quantitatively be pipetted by developing one kind has important research significance and application value.
Summary of the invention
The purpose of the utility model is to overcome existing ear washing bulbs to pipette without standard measure, unhandy defect and deficiency,
A kind of ear washing bulb is provided.Ear washing bulb provided by the utility model is by the movement of seal member so that ear washing bulb formation negative pressure, matches
The instruction of scale is closed, the uptake of ear washing bulb can be quantitatively controlled, operate conveniently, structure is simple.
For the purpose for realizing above-mentioned utility model, the utility model adopts the following technical solution:
A kind of ear washing bulb, including the air bag and air intake duct being connected, the end face of the air intake duct is provided with suction hole；It is described
It is communicated with hollow part with a scale on air bag, the junction of the air bag and hollow part is additionally provided with can be along hollow part
The seal member of inner wall movement.
Ear washing bulb provided by the utility model, which can be realized, quantitatively pipettes reagent, and specific use process is as follows: by ear washing bulb
Air intake duct is placed in pipette, to the mobile seal member in the direction far from air bag and the junction of hollow part, so that ear washing bulb
Negative pressure is formed, to draw reagent.The uptake of reagent can be determined according to the graduation indication on hollow part.
Hollow part can be set as needed on air bag, such as top, side wall etc..
Preferably, the hollow part is set to the top of the air bag.
The top that hollow part is set to air bag can be convenient for operation and more aesthetics.
Preferably, the hollow part is hollow circular-tube.
The utility model provides a kind of simple seal member of structure.
Preferably, the seal member includes diaphragm seal and is set on the diaphragm seal and extends the hollow part
The pull rod of end face, one end that the pull rod extends the hollow part, which is horizontally disposed with, cross bar, and the cross bar is set straight down
It is equipped with push rod.
By pushing up push rod, pull rod can be driven mobile to the direction far from air bag and the junction of hollow part, such as
Using finishing, diaphragm seal is pushed back into junction or other suitable positions
In order to reduce the resistance of promotion, it is preferable that the diameter of the pull rod is less than the internal diameter of the hollow part.
Diaphragm seal skids off hollow part in order to prevent, it is preferable that the top inner wall of the hollow part is provided with protrusion.
It is further preferable that the quantity of the protrusion is for 4 and symmetrical.
The utility model provides another structure simple seal member.
Preferably, the seal member includes diaphragm seal and the pull rod that is set on the diaphragm seal, water on the pull rod
It is flat to be provided with cross bar；Sliding groove is provided on the hollow part, the cross bar wears the sliding groove and can be along the sliding
Slot sliding, the cross bar are provided with push rod far from one end of the sliding groove straight down.
Similarly, push push rod that pull rod can be driven mobile to the direction far from air bag and the junction of hollow part.
Preferably, the length of the pull rod section below the cross bar is greater than the length of the sliding groove.
It can prevent diaphragm seal from sliding at sliding slot the air-tightness for influencing whole device under the length relation.
Preferably, the diameter of the pull rod is less than the internal diameter of the hollow part.
Preferably, the air intake duct extends outwardly to be provided with the pipette place of matching and match with the upper surface of pipette
Robust structure.
The stable degree that the contact connectio of ear washing bulb and pipette can be increased by the setting of robust structure, greatly promotes and washes ear
Ball and pipette compatible degree suitable for reading, liquid relief are high-efficient.
Preferably, the bottom of the robust structure is provided with the groove to match with the tube wall of pipette.
The tube wall of pipette is embedded in groove, the compatible degree of the two can be further promoted, raising pipettes efficiency.
Preferably, it is provided at the outer rim of the groove and the axial parallel extension item of the air intake duct.
The setting for extending item may make when ear washing bulb to be placed in pipette, more accurately dock with pipette.
Preferably, the quantity for extending item is 4, is symmetric.
Compared with prior art, the utility model has the following beneficial effects:
Ear washing bulb provided by the utility model is by the movement of seal member so that ear washing bulb formation negative pressure, cooperates scale
Instruction can quantitatively control the uptake of ear washing bulb, operate conveniently, structure is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the ear washing bulb that embodiment 1 provides；
Fig. 2 is the schematic diagram of the robust structure for the ear washing bulb that embodiment 1 and embodiment 2 provide；
Fig. 3 is the structural schematic diagram for the ear washing bulb that embodiment 2 provides；
Fig. 4 is the structural schematic diagram for the sliding groove that embodiment 2 provides；
Wherein:
1 is air bag, and 2 be air intake duct, and 3 be suction hole, and 4 be hollow part, and 401 be sliding groove, and 5 be seal member, and 501 are
Diaphragm seal, 502 be pull rod, and 503 be cross bar, and 504 be push rod, and 6 be protrusion, and 7 be robust structure, and 8 be groove, and 9 be extension item.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with Figure of description
And specific embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.In addition, each implementation of the utility model disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in mode.
It should be noted that it both can be directly another when original part is referred to as " being set to ", " install in " another element
On element, there may also be elements placed in the middle.When an element is considered " to connect " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Embodiment 1
The present embodiment provides a kind of ear washing bulbs, such as Fig. 1, including the air bag 1 and air intake duct 2 being connected, the end face of air intake duct 2
It is provided with suction hole 3；It is communicated with hollow part 4 with a scale on air bag 1, the junction of air bag 1 and hollow part 4 is additionally provided with
It can be along the seal member 5 that the inner wall of hollow part 4 moves.
Specifically, in the present embodiment, hollow part 4 is hollow circular-tube, it is connected in the top of air bag 1, it is certainly hollow
Component may also set up at other positions, such as side-walls.
In the present embodiment, seal member 5 includes diaphragm seal 501 and is set on diaphragm seal 501 and extends hollow portion
The pull rod 502 of 4 end face of part, the top of pull rod 502 is horizontally disposed cross bar 503, and the distal end of cross bar 503 is provided with straight down to push away
Bar 504.504 equal diameter of pull rod 502, cross bar 503 and push rod, and it is less than the internal diameter of hollow circular-tube, pull rod and sky can be effectively reduced
The frictional force of heart round tube.
Diaphragm seal accidentally slips out hollow circular-tube in order to prevent, and the top inner wall of hollow part is provided with protrusion.
Air intake duct 2 and the pipette place of matching extend outwardly the robust structure for being provided with and matching with the upper surface of pipette
7。
Specifically, the outer rim of robust structure 7 is annular, and the bottom of robust structure 7 is provided with the pipe with pipette such as Fig. 2
The groove 8 that wall matches is provided at the outer rim of groove 8 with the axial parallel extension item 9 of air intake duct 2, and the quantity for extending item 9 is
It 4, is symmetric.
The setting of the groove to match by robust structure and with the tube wall of pipette can increase ear washing bulb and pipette
The stable degree of contact connectio, greatly promotes ear washing bulb and pipette compatible degree suitable for reading, and liquid relief is high-efficient.
Ear washing bulb provided by the utility model, which can be realized, quantitatively pipettes reagent, and specific use process is as follows: by ear washing bulb
Air intake duct is placed in pipette, mutually chimeric with groove at the top of pipette, by pushing up push rod, to drive cross bar and pull rod
To the mobile diaphragm seal in the direction far from air bag and the junction of hollow circular-tube, so that ear washing bulb forms negative pressure, to draw reagent.
The uptake of reagent can be determined according to the graduation indication on hollow circular-tube.
Embodiment 2
The present embodiment provides a kind of ear washing bulbs, such as Fig. 3, including the air bag 1 and air intake duct 2 being connected, the end face of air intake duct 2
It is provided with suction hole 3；It is communicated with hollow part 4 with a scale on air bag 1, the junction of air bag 1 and hollow part 4 is additionally provided with
It can be along the seal member 5 that the inner wall of hollow part 4 moves.
Specifically, in the present embodiment, hollow part 4 is hollow circular-tube, it is connected in the top of air bag 1, it is certainly hollow
Component may also set up at other positions, such as side-walls.
In the present embodiment, seal member 5 includes diaphragm seal 501 and the pull rod 502 being set on diaphragm seal 501, pull rod
Being horizontally disposed on 502 has cross bar 503；It is provided with sliding groove 401 (such as Fig. 4) cross bar 503 on hollow part 4 and wears the sliding groove
It 401 and can be slided along the sliding groove 401, the one end of cross bar 503 far from sliding groove 401 is provided with push rod 504 straight down.
502 sections of pull rod of length below cross bar is greater than the length of sliding groove 401；The diameter of pull rod 502 is less than the interior of hollow part 4
Diameter.
Air intake duct 2 and the pipette place of matching extend outwardly the robust structure for being provided with and matching with the upper surface of pipette
7。
Specifically, the outer rim of robust structure 7 is annular, and the bottom of robust structure 7 is provided with the pipe with pipette such as Fig. 3
The groove 8 that wall matches, be provided at the outer rim of groove 8 with the axial parallel extension item 9 of the air intake duct 2, extend item 9
Quantity is 4, is symmetric.
The setting of the groove to match by robust structure and with the tube wall of pipette can increase ear washing bulb and pipette
The stable degree of contact connectio, greatly promotes ear washing bulb and pipette compatible degree suitable for reading, and liquid relief is high-efficient.
Ear washing bulb provided by the utility model, which can be realized, quantitatively pipettes reagent, and specific use process is as follows: by ear washing bulb
Air intake duct is placed in pipette, mutually chimeric with groove at the top of pipette, by pushing up push rod, such as Fig. 4, to drive cross bar
With pull rod to the mobile diaphragm seal in the direction far from air bag and the junction of hollow circular-tube, so that ear washing bulb forms negative pressure, to inhale
Take reagent.The uptake of reagent can be determined according to the graduation indication on hollow circular-tube.
Claims (10)
1. a kind of ear washing bulb, which is characterized in that including the air bag (1) and air intake duct (2) being connected, the end of the air intake duct (2)
Face is provided with suction hole (3)；It is communicated with hollow part with a scale (4) on the air bag (1), the air bag (1) and hollow portion
The junction of part (4) is additionally provided with the seal member (5) that can be moved along the inner wall of hollow part (4).
2. ear washing bulb according to claim 1, which is characterized in that the hollow part (4) is set to the top of the air bag (1)
Portion.
3. ear washing bulb according to claim 1, which is characterized in that the hollow part (4) is hollow circular-tube.
4. ear washing bulb according to claim 1, which is characterized in that the seal member (5) includes diaphragm seal (501) and setting
In on the diaphragm seal (501) and extending the pull rod (502) of the hollow part (4) end face, the pull rod (502) is extended
One end of the hollow part (4) is horizontally disposed to be had cross bar (503), and the cross bar (503) is provided with push rod straight down
(504)。
5. ear washing bulb according to claim 4, which is characterized in that the top inner wall of the hollow part (4) is provided with protrusion
(6)。
6. ear washing bulb according to claim 1, which is characterized in that the seal member (5) includes diaphragm seal (501) and setting
There are cross bar (503) in being horizontally disposed on the pull rod (502) on the diaphragm seal (501), the pull rod (502)；The hollow portion
It is provided on part (4) sliding groove (401), the cross bar (503) wears the sliding groove (401) and can be along the sliding groove
(401) it slides, the cross bar (503) is provided with push rod (504) far from the one end of the sliding groove (401) straight down.
7. ear washing bulb according to claim 1, which is characterized in that the air intake duct (2) matches place with pipette to extension
Stretch the robust structure (7) for being provided with and matching with the upper surface of pipette.
8. ear washing bulb according to claim 7, which is characterized in that the outer rim of the robust structure (7) is annular.
9. ear washing bulb according to claim 7, which is characterized in that the bottom of the robust structure (7) is provided with and pipette
The groove (8) that matches of tube wall.
10. ear washing bulb according to claim 9, which is characterized in that be provided with and the air-breathing at the outer rim of the groove (8)
Manage (2) axial parallel extension item (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465532.2U CN209271487U (en) | 2018-09-07 | 2018-09-07 | A kind of ear washing bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465532.2U CN209271487U (en) | 2018-09-07 | 2018-09-07 | A kind of ear washing bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209271487U true CN209271487U (en) | 2019-08-20 |
Family
ID=67603243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821465532.2U Expired - Fee Related CN209271487U (en) | 2018-09-07 | 2018-09-07 | A kind of ear washing bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209271487U (en) |
-
2018
- 2018-09-07 CN CN201821465532.2U patent/CN209271487U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20200907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |