CN215624134U - Spray head sealing structure - Google Patents
Spray head sealing structure Download PDFInfo
- Publication number
- CN215624134U CN215624134U CN202121452094.8U CN202121452094U CN215624134U CN 215624134 U CN215624134 U CN 215624134U CN 202121452094 U CN202121452094 U CN 202121452094U CN 215624134 U CN215624134 U CN 215624134U
- Authority
- CN
- China
- Prior art keywords
- liquid
- sealing
- liquid guide
- piston
- piece
- 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
- Closures For Containers (AREA)
Abstract
The utility model relates to a spray head sealing structure which comprises a main body part, a spray head assembly, a piston, a liquid guiding piece, a first elastic piece, a wrench and a sealing piece, wherein a liquid outlet channel extends from bottom to top in the liquid guiding piece, an inlet of the liquid outlet channel is positioned on the lower end face of the liquid guiding piece, an outlet of the liquid outlet channel is positioned on the side wall of the liquid guiding piece, and the sealing piece is sleeved on the periphery of the liquid guiding piece and used for elastically sealing the outlet of the liquid outlet channel. The sealing sheet is arranged at the outlet of the liquid outlet channel of the liquid guide piece, has a simple structure, is made of a plastic material with certain elasticity, is coated on the periphery of the liquid guide piece and is directly contacted with the outlet of the liquid outlet channel, when liquid is extruded, the sealing sheet is pushed open and is output, but the opening degree of the pushing open can be automatically adjusted according to the flow of the liquid and the pressure applied to the liquid, and the sealing position is quickly reset, so that a better sealing effect is always kept, and the fine density of the spray is favorably improved.
Description
Technical Field
The utility model relates to the technical field of liquid outlet containers, in particular to a nozzle sealing structure.
Background
The sprayer has been widely used in daily chemical and medical industries due to exquisite design and convenient use. The existing sprayer has the defects of relatively slow pump starting, unstable spraying amount and the like in the use process due to the defects of design, and cannot meet the requirements of users.
The applicant's prior application 201510277966.4 entitled "spray pump" discloses a structure comprising a head cap, a bottle cap, a pump body, a piston, a ball and a spring, wherein a spray head assembly is arranged on one side of the head cap; the bottle cap is used for connecting the spray pump to the bottle body; the pump body is arranged on the lower side of the top surface of the bottle cap; the lower part of the piston passes through the through hole, can move up and down, is connected in the extrusion cavity and is always kept in a close fit state with the inner wall of the extrusion cavity. Above-mentioned scheme has ingenious utilized the connection structure between piston and the head cap, need not to set up seal structure in addition, has realized the sealed of spraying pump promptly to the weeping problem when having avoided the bottle to invert, and the simple and better leakproofness that has of being connected between piston and the body is convenient for impress liquid and spouts the intracavity, makes the spraying pump's spray volume big and stable, convenient to use.
However, in order to improve the sealing performance, the liquid outlet pipe is generally sealed in a piston mode, the structure is complex, the time required for the resetting of the sealing action is slightly long, and the sealing performance and the spraying fine density are easy to correspond.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a nozzle sealing structure which is simple in structure, fast in resetting of a sealing position and capable of improving the sealing effect and the fine density of spraying aiming at the current situation of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a showerhead seal structure, comprising:
the main body part is provided with a liquid guide channel and a cavity which is positioned at the lower side of the liquid guide channel and extends vertically, and the upper end of the cavity is communicated with the liquid guide channel;
the spray head assembly is arranged at the end part of the liquid guide channel and is used for spraying liquid;
the piston can be arranged in the main body part in a vertically moving mode, the upper part of the piston is a piston head which can be enclosed with the upper part of the cavity together to form a pump cavity, and the lower part of the piston is a liquid guide pipe which can input liquid into the pump cavity;
the liquid guide piece is arranged in the pump cavity and divides the pump cavity into an upper space and a lower space which are relatively independent from each other up and down, the upper space is communicated with the liquid guide channel, the lower space is communicated with the liquid guide tube, and the liquid guide piece is provided with a liquid outlet channel for liquid to enter the upper space from the lower space;
the first elastic piece is arranged in the lower space and used for enabling the piston to always keep a downward moving trend;
the spanner is arranged on the side part of the main body part, partially penetrates through the main body part to be in contact with the piston and is used for driving the piston to move upwards;
still include the gasket, liquid outlet channel extends from bottom to top in the drain, liquid outlet channel's entry is located on the lower terminal surface of drain, the export is located the lateral wall of drain, the gasket cover is put in the periphery of drain and is used for the export elastic seal with liquid outlet channel.
As one structure of the sealing sheet, the sealing sheet is formed into a cylindrical structure penetrating up and down, the thickness of the lower part of the sealing sheet is larger than that of the upper part, and the upper part of the sealing sheet covers the periphery of the outlet of the liquid outlet channel. The structure is convenient to manufacture and low in manufacturing cost, and can be quickly reset after liquid is squeezed upwards, so that the sealing performance is improved.
As another structure of the sealing sheet, the cross section of the sealing sheet is n-shaped, the thickness of the sealing sheet is consistent up and down, and the upper end of the liquid guide and the part close to the upper end are covered in the sealing sheet. The structure can be quickly reset after liquid is extruded downwards, so that the sealing performance is improved.
Preferably, a sealing sleeve is connected to the outer peripheral wall of the upper portion of the liquid guide member and sleeved on the outer periphery of the liquid guide member at intervals, the diameter of the upper portion of the pump cavity is smaller than that of the lower portion of the pump cavity so that the upper portion space is formed, and the outer peripheral wall of the sealing sleeve is in interference fit with the inner peripheral wall of the upper portion space. The structure is beneficial to improving the sealing performance of the pump cavity, and further improves the sealing effect.
Further preferably, the outlet of the liquid outlet channel is positioned above the sealing sleeve and is arranged close to the liquid guide channel. This structure is favorable to transporting liquid from the pump chamber to the drain passage fast.
Compared with the prior art, the utility model has the advantages that: the sealing sheet is arranged at the outlet of the liquid outlet channel of the liquid guide piece, has a simple structure, is made of a plastic material with certain elasticity, is coated on the periphery of the liquid guide piece and is directly contacted with the outlet of the liquid outlet channel, when liquid is extruded, the sealing sheet is pushed open and is output, but the opening degree of the pushing open can be automatically adjusted according to the flow of the liquid and the pressure applied to the liquid, and the sealing position is quickly reset, so that a better sealing effect is always kept, and the fine density of the spray is favorably improved.
Drawings
FIG. 1 is a schematic view showing the structure of a nebulizer in example 1 of the utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of a portion of the fluid-conducting member of FIG. 2;
FIG. 4 is an enlarged view of a liquid-guiding member in example 2 of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
Example 1:
in the present embodiment, the nozzle sealing structure is applied to a sprayer that can delay spraying, and the structure of the sprayer is described as an example.
As shown in fig. 1 to 3, the sprayer capable of delaying liquid discharge of the present embodiment includes a main body 1, a nozzle assembly 2, a piston 3, a liquid guide 4, a first elastic member 10, a wrench 5, a delay liquid container 6, a small piston 7, and a second elastic member 20.
Wherein the main body part 1 has
Liquid guiding of the shapeA channel 11, further having a vertically extending cavity 12 located at the lower side of the transverse portion 111 of the liquid guiding channel 11, the upper end of the cavity 12 being communicated with the transverse portion 111 of the liquid guiding channel 11; the head assembly 2 is provided at an end of the lateral portion 111 of the liquid guide passage 11 for ejecting liquid. The piston 3 is arranged in the main body part 1 in a way of moving up and down, the upper part of the piston 3 is a piston head 31 which can jointly enclose the upper part of the cavity 12 to form a pump cavity 13, and the lower part of the piston 3 is a liquid guide pipe 32 which can input liquid into the pump cavity 13. The liquid guiding member 4 is disposed in the pump cavity 13 and divides the pump cavity 13 into an upper space 131 and a lower space 132 which are relatively independent from each other, the upper space 131 is communicated with the transverse part 111 of the liquid guiding channel 11, the lower space 132 is communicated with the liquid guiding tube 32, the liquid guiding member 4 is provided with a liquid outlet channel 41 for liquid to enter the upper space 131 from the lower space 132, and an outlet 411 of the liquid outlet channel 41 is covered with a sealing sheet 9 capable of opening or closing the outlet 411. The first elastic member 10 is a spring, which may be a plastic spring or a metal spring, and is disposed in the lower space 132 to keep the piston 3 always tending to move downward. The wrench 5 is rotatably provided at a side portion of the body portion 1, and a part of the wrench 5 is inserted to abut against a bottom portion of the body portion 1 and a piston head 31 of the piston 3, so that the piston 3 is driven to move upward when the wrench 5 is pressed. The delay liquid container 6 is detachably attached to the lower side of the body part 1 and is connected to the lower port of the vertical part 112 of the liquid guide passage 11. A small piston 7 is arranged in the delay liquid container 6 and is used for pushing out the liquid in the delay liquid container 6; the second elastic member 20 is provided in the delay liquid container 6, and is a plastic spring or a metal spring, and is provided at the bottom of the small piston 7, for keeping the small piston 7 always in a tendency of moving upward.
In this embodiment, the bottom wall of the transverse portion 111 of the liquid guiding channel 11 is provided with a small notch 113 near the front end for allowing liquid to enter the transverse portion 111 from the upper space 131, and the head assembly 2 is detachably inserted at the outer port of the transverse portion 111 of the liquid guiding channel 11.
As shown in fig. 2 and 3, the liquid outlet channel 41 extends from bottom to top in the liquid guiding member 4, the inlet of the liquid outlet channel 41 is located on the lower end surface of the liquid guiding member 4, the outlet 411 is located on the side wall of the liquid guiding member 4, and the sealing sheet 9 is sleeved on the periphery of the liquid guiding member 4 and can elastically seal the outlet 411 of the liquid outlet channel 4. When the liquid discharging device is used, the sealing sheet 9 is elastically deformed under the extrusion of the extruding liquid, so that a gap for liquid output is formed between the sealing sheet 9 and the liquid guide piece 4, after liquid discharging is finished, the sealing sheet 9 closes the outlet 411 of the liquid discharging channel 41 under the elasticity of the sealing sheet 9, and the liquid discharging device is good in sealing performance and convenient to produce and assemble.
The outer peripheral wall of the upper part of the liquid guide part 4 is connected with a sealing sleeve 42 which is sleeved on the periphery of the liquid guide part 4 at intervals, the diameter of the upper part of the pump cavity 13 is smaller than that of the lower part, so that an upper space 131 is formed, the outer peripheral wall of the sealing sleeve 42 is in interference fit with the inner peripheral wall of the upper space 131, and the structure is favorable for improving the sealing performance of the pump cavity 13. The outlet 411 of the outlet channel 41 is located above the sealing sleeve 42 and close to the small gap 113. This structure facilitates rapid discharge of the liquid into the liquid guiding passage 11.
As shown in fig. 3, the sealing sheet 9 of the present embodiment is formed in a cylindrical structure penetrating vertically, the thickness of the lower part of the sealing sheet 9 is larger than that of the upper part, and the upper part of the sealing sheet 9 covers the periphery of the outlet 411 of the liquid outlet channel 41.
When the liquid discharging device is used, liquid in the bottle body enters the lower space 132 of the pump cavity 13 through the liquid guide pipe 32 of the piston 3 and further enters the upper space 131 through the liquid guide piece 4, the liquid entering the upper space 131 enters the transverse part 111 of the liquid guide channel 11 through the small notch 113, part of the liquid is discharged in real time through the spray head assembly 2 due to a certain blocking effect of the spray head assembly 2, the other part of the liquid enters the delay liquid container 6 for temporary storage through the vertical part 112 of the liquid guide channel 11, and after the operation of pressing the wrench 5 is cancelled, the liquid temporarily stored in the delay liquid container 6 is released and discharged under the action of the small piston 7 and the second elastic piece 20, so that liquid discharging delay is realized.
Example 2:
this example differs from example 1 only in that: as shown in fig. 4, the sealing fin 9 'has a n-shaped cross section, and the sealing fin 9' has a uniform thickness and covers the upper end of the liquid guide 4 and a portion near the upper end.
Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.
Claims (5)
1. A showerhead seal structure, comprising:
the main body part is provided with a liquid guide channel and a cavity which is positioned at the lower side of the liquid guide channel and extends vertically, and the upper end of the cavity is communicated with the liquid guide channel;
the spray head assembly is arranged at the end part of the liquid guide channel and is used for spraying liquid;
the piston can be arranged in the main body part in a vertically moving mode, the upper part of the piston is a piston head which can be enclosed with the upper part of the cavity together to form a pump cavity, and the lower part of the piston is a liquid guide pipe which can input liquid into the pump cavity;
the liquid guide piece is arranged in the pump cavity and divides the pump cavity into an upper space and a lower space which are relatively independent from each other up and down, the upper space is communicated with the liquid guide channel, the lower space is communicated with the liquid guide tube, and the liquid guide piece is provided with a liquid outlet channel for liquid to enter the upper space from the lower space;
the first elastic piece is arranged in the lower space and used for enabling the piston to always keep a downward moving trend;
the spanner is arranged on the side part of the main body part, partially penetrates through the main body part to be in contact with the piston and is used for driving the piston to move upwards;
the method is characterized in that: still include the gasket, liquid outlet channel extends from bottom to top in the drain, liquid outlet channel's entry is located on the lower terminal surface of drain, the export is located the lateral wall of drain, the gasket cover is put in the periphery of drain and is used for the export elastic seal with liquid outlet channel.
2. The nozzle tip sealing structure according to claim 1, wherein: the sealing piece is of a cylindrical structure which is communicated up and down, the thickness of the lower portion of the sealing piece is larger than that of the upper portion of the sealing piece, and the periphery of an outlet of the liquid outlet channel is covered by the upper portion of the sealing piece.
3. The nozzle tip sealing structure according to claim 1, wherein: the cross section of gasket is the n-shaped structure, the thickness of gasket is unanimous about and with the upper end of drain spare and be close to the part cladding of upper end wherein.
4. The head sealing structure according to claim 1, 2 or 3, wherein: the outer peripheral wall of the upper portion of the liquid guide part is connected with a sealing sleeve sleeved on the periphery of the liquid guide part at intervals, the diameter of the upper portion of the pump cavity is smaller than that of the lower portion of the pump cavity, so that the upper portion space is formed, and the outer peripheral wall of the sealing sleeve is in interference fit with the inner peripheral wall of the upper portion space.
5. The nozzle tip sealing structure according to claim 4, wherein: and the outlet of the liquid outlet channel is positioned above the sealing sleeve and is arranged close to the liquid guide channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121452094.8U CN215624134U (en) | 2021-06-28 | 2021-06-28 | Spray head sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121452094.8U CN215624134U (en) | 2021-06-28 | 2021-06-28 | Spray head sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215624134U true CN215624134U (en) | 2022-01-25 |
Family
ID=79946359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121452094.8U Active CN215624134U (en) | 2021-06-28 | 2021-06-28 | Spray head sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215624134U (en) |
-
2021
- 2021-06-28 CN CN202121452094.8U patent/CN215624134U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021073040A1 (en) | Miniature perfume pump structure with external spring | |
| CN215624134U (en) | Spray head sealing structure | |
| CN217023701U (en) | Liquid outlet device capable of delaying liquid outlet | |
| JP2003520663A5 (en) | ||
| CN210423753U (en) | Accurate quantitative type large-spraying-capacity aerial fog valve | |
| WO2024036726A1 (en) | Pre-compression pump having reduced height and liquid leakage prevention function, and container comprising same | |
| CN110664089A (en) | Perfume pump structure with external spring | |
| WO2023137832A1 (en) | Recyclable all-plastic self-locking pump | |
| CN116081116A (en) | Large-spraying-quantity quantitative valve of composite chamber and aerosol | |
| US20070119869A1 (en) | Spray head | |
| CN113291638B (en) | Liquid outlet device capable of delaying liquid outlet | |
| CN211130040U (en) | Perfume pump with external spring | |
| CN211130041U (en) | Miniature perfume pump with external spring | |
| CN215623934U (en) | Novel spray head structure | |
| CN109625636B (en) | Container with quantitative spray head | |
| CN112960266A (en) | Full-plastic hand-buckled sprayer and assembly method | |
| CN209977435U (en) | Novel polyurethane foam valve rod | |
| KR102370545B1 (en) | Pumping valve assembly for aerosol spray | |
| CN105129250A (en) | Single-body universal proportional valve and spraying tank | |
| CN214609084U (en) | Full-plastic hand-fastening sprayer | |
| CN219850237U (en) | Spray gun head and sprayer | |
| CN210084025U (en) | Quantitative spray valve | |
| CN209934764U (en) | Laboratory wash-bottle | |
| CN221164091U (en) | Miniature spray pump | |
| CN220610896U (en) | Pump core of spray pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |