CN219273385U - Spray head and spraying device - Google Patents
Spray head and spraying device Download PDFInfo
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- CN219273385U CN219273385U CN202320155312.4U CN202320155312U CN219273385U CN 219273385 U CN219273385 U CN 219273385U CN 202320155312 U CN202320155312 U CN 202320155312U CN 219273385 U CN219273385 U CN 219273385U
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- outer base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a spray head and a spraying device, wherein the spray head comprises a pressing head, a pump body assembly, an outer base, an inner base and a second spring, the pressing head comprises a spray head shell, a pressing part and a connecting rod, an outer base cavity is formed in the outer base, an outer base limiting part is arranged on the inner peripheral wall of the outer base, the inner base is arranged in the outer base cavity, the inner base comprises an inner base main body and an inner base matching part, the inner base matching part is adjacent to the outer base limiting part along the axial direction of the outer base, the inner base matching part is positioned on one side of the outer base limiting part close to a bottle body mounting cavity, the inner base main body stretches into the pressing head mounting cavity, the upper end of the pump body is connected with the inner base main body, the bottom end of the pressing rod axially penetrates through the inner base main body and stretches into the pump body, the second spring is sleeved outside the inner base main body, limiting steps are arranged on the inner wall of the spray head shell, and two ends of the second spring are respectively abutted to the limiting steps and the outer base limiting part. The spray head can avoid spring corrosion or liquid pollution.
Description
Technical Field
The utility model relates to the technical field of spray heads, in particular to a spray head and a spray device.
Background
In the existing spraying device, in order to better realize the reset of the piston and the spray head in the process of continuously pressing the spray head to spray out liquid, the spring is usually arranged in the pump chamber, and the spring is usually made of metal materials, so that the liquid in the bottle body is directly contacted with the liquid after being sucked into the pump chamber, the spring is easy to corrode, the service life of the spray head is shortened, and the risk of pollution of the liquid is increased.
Disclosure of Invention
A first object of the present utility model is to provide a spray head that prevents corrosion of springs or contamination of liquid by externally arranging the springs in a pump chamber, while preventing bacteria and microorganisms in the external environment from entering a bottle body and also preventing leakage of liquid in the bottle body through a vent hole.
A second object of the present utility model is to provide a spraying device employing the above-described spray head.
To achieve the above object, the present utility model provides a shower head comprising: the pressing head comprises a spray head shell, a pressing part and a connecting rod, the top end of the spray head shell is provided with a spray hole, and a connecting rod channel communicated with the spray hole is penetratingly arranged on the connecting rod along the length direction; the pump body assembly comprises a pump body, a pressure lever, a piston and a first spring, wherein the piston and the first spring are both positioned in the pump body, the top end of the pressure lever is connected with the bottom end of the connecting rod, a pressure lever channel communicated with the connecting rod channel is arranged in the pressure lever, a liquid outlet is arranged in the pressure lever channel, the piston stretches into the pressure lever channel and can open or close the liquid outlet, a liquid inlet is arranged at the bottom end of the pump body, and the inner peripheral wall of the pump body and the piston enclose a pump chamber; the spray head further comprises: the outer base is internally provided with an outer base inner cavity, the inner peripheral wall of the outer base inner cavity is provided with an outer base limiting part protruding in the radial direction, the outer base limiting part divides the outer base inner cavity into a bottle body mounting cavity and a pressing head mounting cavity which are arranged along the axial direction of the outer base, and the bottom end of the spray head shell extends into the pressing head mounting cavity and is in sliding fit with the pressing head mounting cavity; the inner base is arranged in the inner cavity of the outer base, the inner base comprises an inner base main body and an inner base matching part protruding from the outer peripheral wall of the inner base main body along the radial direction, the inner base matching part is adjacent to the outer base limiting part along the axial direction of the outer base, the inner base matching part is positioned at one side of the outer base limiting part, which is close to the bottle body mounting cavity, the inner base main body stretches into the pressing head mounting cavity, the upper end of the pump body is connected with the inner base main body, and the bottom end of the pressing rod axially penetrates through the inner base main body and stretches into the pump body; the second spring is sleeved outside the inner base body, a limiting step is arranged on the inner wall of the spray head shell, and two ends of the second spring are respectively abutted with the limiting step and the limiting part of the outer base.
By the scheme of the utility model, after pressing the pressing part of shower nozzle casing, the pressing head drives depression bar and piston and removes outside blowout liquid, the setting of first spring can guarantee that the liquid outlet can be opened, and the setting of second spring guarantees that user's hand loosens behind the pressing part, under the restoring force effect of second spring, make the pressing head reset as soon as possible, because first spring and second spring all are located the pump chamber, consequently, at the in-process that the shower nozzle sprayed, liquid can not contact with two springs, can not cause the corruption of spring, thereby can prolong the life of shower nozzle, can avoid the spring pollution liquid by the corruption simultaneously. In addition, because the second spring is close to the setting of pressing portion, consequently, the second spring can be under less restoring force alright realize pressing head's quick reset to improve user experience.
The bottle body mounting cavity is communicated with the atmosphere sequentially through the inner base vent hole, the outer base vent hole and the vent gap.
The further scheme is that the spray head further comprises a filter component, the filter component is arranged in the bottle body installation cavity, and the filter component is sleeved outside the pump body and covers the vent hole of the inner base.
Therefore, in the process of continuously spraying out liquid, negative pressure can be formed in the bottle body, and external air enters the bottle body to realize internal and external pressure balance through the vent holes of the inner base, the vent holes of the outer base and the vent gaps which are mutually communicated. Through filter element's setting for get into the gaseous reentrant bottle after filter element's filtration in the bottle, prevent bacterium and microorganism etc. in the external environment and get into the bottle, thereby avoid polluting the liquid in the bottle, simultaneously, because filter element's filtration gap is little, can avoid the liquid in the bottle to reveal from the air vent position. In addition, the filter component is directly sleeved outside the pump body, so that the installation mode is simple, and the assembly efficiency can be improved.
Further, the filter member is in a sheet shape and is fitted to the inner base fitting portion.
Therefore, on the premise of meeting the functions, the material is saved, and the filtering effect is good.
In a preferred embodiment, the number of the outer base vent holes and the inner base vent holes is two or more, the plurality of outer base vent holes are arranged along the circumferential direction of the outer base, one outer base vent hole is arranged opposite to and communicates with one inner base vent hole, and each inner base vent hole is covered by the filter element.
Therefore, the arrangement of the plurality of outer base vent holes and the plurality of inner base vent holes can improve the airflow flowing efficiency, and one filter component covers each inner base vent hole so as to avoid the problem of high assembly difficulty of the filter components when the plurality of filter components are arranged.
In a preferred embodiment, the bottle body mounting chamber is provided with a filter element, and the filter element is mounted in the inner base vent hole and/or the outer base vent hole.
The piston comprises a piston rod and a piston head, wherein the piston rod is in sliding fit with the compression bar channel, and the piston head is positioned outside the compression bar; the pump body assembly further comprises a stop ring and a sealing ball, the first spring and the stop ring are sleeved outside the pressure rod, the stop ring is located below the first spring, a limiting protrusion is arranged on the peripheral wall of the pressure rod, two ends of the first spring are respectively abutted with the limiting protrusion and the stop ring, and the lower end of the stop ring is abutted on the piston head; the sealing ball is arranged at the liquid inlet and can open or close the liquid inlet.
Therefore, after the pressing part of the spray head shell is pressed, the pressing rod applies acting force to the piston head and drives the piston head to move downwards, the pump chamber compresses and forms vacuum, after the piston is reset under the acting force of the reset spring assembly, the sealing ball opens the liquid inlet under the action of negative pressure of the pump chamber, after the pump chamber is filled with liquid, the sealing ball seals the liquid inlet again under the action of self gravity, after the pressing part is pressed again, the piston rod moves downwards to open the liquid outlet, and meanwhile, liquid in the pump chamber enters the pressing rod channel under the pressure of the piston rod and is sprayed out from the spray hole after passing through the connecting rod channel from the liquid outlet.
In a preferred scheme, the inner wall of the pressure bar channel is provided with a convex ring, the liquid outlet is formed on the convex ring, the lower end of the convex ring is provided with a guiding inclined plane, and the guiding inclined plane inclines towards the central axis of the pressure bar channel.
It follows that the guiding bevel guides the piston rod into the liquid outlet and seals the liquid outlet.
In order to achieve the second object, the utility model provides a spraying device, which comprises a bottle body and the spray head, wherein the top end of the bottle body is detachably arranged in a bottle body mounting cavity, and the lower end of a pump body stretches into the bottle body.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a spray head of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and 2, the spraying device of the present embodiment includes a bottle (not shown) and a spray head 1. The bottle body can be filled with liquid such as nasal spray liquid, liquid medicine or disinfectant.
The spray head 1 comprises an outer base 2, an inner base 6, a second spring 7, a pressing head 3 and a pump body assembly 4. An outer base inner cavity 20 is formed in the outer base 2, an outer base limiting part 23 protruding in the radial direction is arranged on the inner peripheral wall of the outer base inner cavity 20, the outer base limiting part 23 divides the outer base inner cavity 20 into a bottle body mounting cavity 21 and a pressing head mounting cavity 22 which are arranged along the axial direction of the outer base 2, and the top end of the bottle body is detachably mounted in the bottle body mounting cavity 21.
The inner base 6 is disposed in the outer base inner chamber 20, the inner base 6 includes an inner base main body 61 and an inner base fitting portion 62 protruding radially from an outer peripheral wall of the inner base main body 61, the inner base fitting portion 62 is abutted with the outer base stopper portion 23 in the axial direction of the outer base 2, the inner base fitting portion 62 is located on a side of the outer base stopper portion 23 close to the bottle body mounting chamber 21, and the inner base main body 61 extends into the press head mounting chamber 22. The second spring 7 is sleeved outside the inner base main body 61, a limiting step 312 is arranged on the inner wall of the spray head shell 31 of the pressing head 3, and two ends of the second spring 7 are respectively abutted with the limiting step 312 and the outer base limiting part 23.
The outer base limiting portion 23 is provided with an outer base vent hole 231 penetrating in the axial direction, the inner base mating portion 62 is provided with an inner base vent hole 621 penetrating in the axial direction, a vent gap 25 is provided between the head and the inner peripheral wall of the pressing head mounting cavity 22, and the bottle mounting cavity 21 is communicated with the atmosphere sequentially through the inner base vent hole 621, the outer base vent hole 231 and the vent gap 25.
The bottle body installation cavity 21 is internally provided with a filter element 5, the filter element 5 is sleeved outside the pump body 41 of the pump body assembly 4, the filter element 5 is sheet-shaped and is attached to the inner base matching part 62, the number of the outer base vent holes 231 and the inner base vent holes 621 is more than two, a plurality of outer base vent holes 231 are arranged along the circumferential direction of the outer base 2, one outer base vent hole 231 is oppositely arranged and communicated with one inner base vent hole 621, and each inner base vent hole 621 is covered by the filter element 5.
The pressing head 3 comprises a nozzle housing 31, a pressing part 32 and a connecting rod 33, wherein a spray hole 311 is formed in the top end of the nozzle housing 31, the pressing part 32 protrudes outwards from the peripheral wall of the nozzle housing 31, a connecting rod channel 331 communicated with the spray hole 311 is penetratingly arranged on the connecting rod 33 along the length direction, and the bottom end 310 of the nozzle housing 31 extends into the pressing head mounting cavity 22 and is in sliding fit with the pressing head mounting cavity 22.
The pump body assembly 4 comprises a pump body 41, a compression bar 42, a piston 43, a blocking ring 44, a sealing ball 45 and a first spring 46, wherein the upper end of the pump body 41 is connected with an inner base body 61, and the lower end of the pump body 41 extends into the bottle body. The piston 43 and the first spring 46 are both located in the pump body 41, the top end of the pressure lever 42 is connected with the bottom end of the connecting rod 33, the bottom end of the pressure lever 42 axially penetrates through the inner base body 61 and stretches into the pump body 41, a pressure lever channel 421 communicated with the connecting rod channel 331 is arranged in the pressure lever 42, a liquid outlet 422 is arranged in the pressure lever channel 421, the piston 43 comprises a piston rod 431 and a piston head 432, the piston rod 431 is in sliding fit with the pressure lever channel 421, the piston rod 431 stretches into the pressure lever channel 421 and can open or close the liquid outlet 422, and the piston head 432 is located outside the pressure lever 42. The bottom end of the pump body 41 is provided with a liquid inlet 411, and the inner peripheral wall of the pump body 41 and the piston 43 enclose a pump chamber 412. The inner wall of the pressure lever channel 421 is provided with a convex ring 423, the liquid outlet 422 is formed on the convex ring 423, the lower end of the convex ring 423 is provided with a guiding inclined plane 424, and the guiding inclined plane 424 inclines towards the central axis of the pressure lever channel 421.
The first spring 46 and the blocking ring 44 are both sleeved outside the compression bar 42, the blocking ring 44 is located below the first spring 46, a limiting protrusion 425 is arranged on the outer peripheral wall of the compression bar 42, two ends of the first spring 46 are respectively abutted with the limiting protrusion 425 and the blocking ring 44, and the lower end of the blocking ring 44 is abutted on the piston head 432. The sealing ball 45 is arranged at the liquid inlet 411, and the sealing ball 45 can open or close the liquid inlet 411.
After the pressing part 32 of the spray head shell 31 is pressed, the pressing rod 42 applies force to the piston head 432 and drives the piston head 432 to move downwards, the volume of the pump chamber 412 reduces, air in the pump chamber 412 is discharged and forms vacuum, after the pressing rod 42 and the pressing head 3 are reset under the action of the first spring 46 and the second spring 7, the liquid outlet 422 is closed, the sealing ball 45 is forced to open the liquid inlet 411 by the negative pressure action of the pump chamber 412, after the pump chamber 412 is filled with liquid, the sealing ball 45 seals the liquid inlet 411 again under the action of self gravity, after the pressing part 32 is pressed again, the piston rod 431 moves downwards to open the liquid outlet 422, and meanwhile, the liquid in the pump chamber 412 enters the pressing rod channel 421 under the pressure of the piston rod 431 and is sprayed out from the spray hole 311 after the liquid outlet 422 passes through the connecting rod channel 331. In the process that the pressing head 3 drives the pressing rod 42 and the piston 43 to move to spray out liquid, negative pressure can be formed in the bottle body, through the outer base vent hole 231 formed in the outer base 2, the inner base vent hole 621 formed in the inner base 6, and the vent gap 25 formed between the spray head shell 31 and the inner peripheral wall of the pressing head mounting cavity 22, the bottle body is communicated with the atmosphere through the inner base vent hole 621, the outer base vent hole 231 and the vent gap 25 in sequence, so that external air enters the bottle body to realize internal and external pressure balance.
By the scheme of the utility model, after pressing the pressing part of shower nozzle casing, the pressing head drives depression bar and piston and removes outside blowout liquid, the setting of first spring can guarantee that the liquid outlet can be opened, and the setting of second spring guarantees that user's hand loosens behind the pressing part, under the restoring force effect of second spring, make the pressing head reset as soon as possible, because first spring and second spring all are located the pump chamber, consequently, at the in-process that the shower nozzle sprayed, liquid can not contact with two springs, can not cause the corruption of spring, thereby can prolong the life of shower nozzle, can avoid the spring pollution liquid by the corruption simultaneously. In addition, because the second spring is close to the setting of pressing portion, consequently, the second spring can be under less restoring force alright realize pressing head's quick reset to improve user experience. In addition, through the inner base vent hole, the outer base vent hole and the vent clearance which are communicated with each other, the external air enters the bottle body to realize the balance of the internal pressure and the external pressure of the bottle body. Through filter element's setting for get into the gaseous reentrant bottle after filter element's filtration in the bottle, prevent bacterium and microorganism etc. in the external environment and get into the bottle, thereby avoid polluting the liquid in the bottle, simultaneously, because filter element's filtration gap is little, can avoid the liquid in the bottle to reveal from the air vent position. In addition, the filter component is directly sleeved outside the pump body, so that the installation mode is simple, and the assembly efficiency can be improved.
In addition, the filter element may be cylindrical or prismatic, and the filter element is mounted in the outer base vent hole and/or the inner base vent hole and is in transition fit or interference fit with the corresponding vent hole, that is, the filter element may be mounted in only the outer base vent hole or only the inner base vent hole, or may be mounted in both the outer base vent hole and the inner base vent hole, at this time, the number of filter elements may be one, and a part of the filter elements is located in the outer base vent hole, and another part of the filter elements is located in the inner base vent hole, or the number of filter elements may be two or more, at least one filter element is mounted in the outer base vent hole, and at least one filter element is mounted in the inner base vent hole. The number, shape, arrangement, etc. of the filter elements may be changed as desired. The above-described modifications can also achieve the object of the present utility model.
Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (9)
1. A spray head, comprising:
the pressing head (3), the pressing head (3) comprises a spray head shell (31), a pressing part (32) and a connecting rod (33), a spray hole (311) is formed in the top end of the spray head shell (31), the pressing part (32) protrudes outwards from the peripheral wall of the spray head shell (31), and a connecting rod channel (331) communicated with the spray hole (311) is penetratingly arranged on the connecting rod (33) along the length direction;
the pump body assembly (4), pump body assembly (4) includes pump body (41), depression bar (42), piston (43) and first spring (46), piston (43) with first spring (46) all are located in pump body (41), the top of depression bar (42) with the bottom of connecting rod (33) is connected, be equipped with in depression bar (42) with depression bar passageway (421) of connecting rod passageway (331) intercommunication, be equipped with liquid outlet (422) in depression bar passageway (421), piston (43) stretch into in depression bar passageway (421) and openable or closeable liquid outlet (422), the bottom of pump body (41) is equipped with inlet (411), the inner peripheral wall of pump body (41) with piston (43) enclose into pump chamber (412);
the shower nozzle is characterized in that the shower nozzle also comprises:
the spray head comprises an outer base (2), wherein an outer base inner cavity (20) is formed in the outer base (2), an outer base limiting part (23) protruding in the radial direction is arranged on the inner peripheral wall of the outer base inner cavity (20), the outer base limiting part (23) divides the outer base inner cavity (20) into a bottle body mounting cavity (21) and a pressing head mounting cavity (22) which are arranged along the axial direction of the outer base (2), and the bottom end of a spray head shell (31) stretches into the pressing head mounting cavity (22) and is in sliding fit with the pressing head mounting cavity (22);
the inner base (6) is arranged in the inner cavity (20) of the outer base, the inner base (6) comprises an inner base main body (61) and an inner base matching part (62) protruding from the outer peripheral wall of the inner base main body (61) in the radial direction, the inner base matching part (62) and the outer base limiting part (23) are adjacent along the axial direction of the outer base (2), the inner base matching part (62) is positioned on one side, close to the bottle body mounting cavity (21), of the outer base limiting part (23), the inner base main body (61) stretches into the pressing head mounting cavity (22), the upper end of the pump body (41) is connected with the inner base main body (61), and the bottom end of the pressing rod (42) axially penetrates through the inner base main body (61) and stretches into the pump body (41);
the second spring (7), second spring (7) cover is established outside interior base main part (61), be provided with spacing step (312) on the inner wall of shower nozzle casing (31), the both ends of second spring (7) respectively with spacing step (312) with outer base spacing portion (23) butt.
2. A spray head according to claim 1, characterized in that:
the bottle is characterized in that an outer base vent hole (231) is formed in the outer base limiting portion (23) in a penetrating mode along the axial direction, an inner base vent hole (621) is formed in the inner base matching portion (62) in the penetrating mode along the axial direction, a vent gap (25) is formed between the spray head and the inner peripheral wall of the pressing head mounting cavity (22), and the bottle body mounting cavity (21) sequentially passes through the inner base vent hole (621), the outer base vent hole (231) and the vent gap (25) are communicated with the atmosphere.
3. A spray head according to claim 2, characterized in that:
the spray head further comprises a filter component (5), the filter component (5) is arranged in the bottle body installation cavity (21), and the filter component (5) is sleeved outside the pump body (41) and covers the inner base vent hole (621).
4. A spray head according to claim 3, wherein:
the filter member (5) is in a sheet shape and is attached to the inner base fitting portion (62).
5. A spray head according to claim 3, wherein:
the number of the outer base vent holes (231) and the number of the inner base vent holes (621) are more than two, a plurality of the outer base vent holes (231) are arranged along the circumferential direction of the outer base (2), one outer base vent hole (231) is opposite to and communicated with one inner base vent hole (621), and each inner base vent hole (621) is covered by the filter component (5).
6. A spray head according to claim 2, characterized in that:
the spray head further comprises a filter element (5), the filter element (5) being mounted in the inner base vent hole (621) and/or the outer base vent hole (231).
7. A spray head according to any one of claims 1 to 6, wherein:
the piston (43) comprises a piston rod (431) and a piston head (432), the piston rod (431) is in sliding fit with the pressure rod channel (421), and the piston head (432) is positioned outside the pressure rod (42);
the pump body assembly (4) further comprises a blocking ring (44) and a sealing ball (45), the blocking ring (44) and the first spring (46) are sleeved outside the pressure rod (42), the blocking ring (44) is located below the first spring (46), limiting protrusions (425) are arranged on the peripheral wall of the pressure rod (42), two ends of the first spring (46) are respectively abutted with the limiting protrusions (425) and the blocking ring (44), and the lower end of the blocking ring (44) is abutted to the piston head (432);
the sealing ball (45) is arranged at the liquid inlet (411), and the sealing ball (45) can open or close the liquid inlet (411).
8. A spray head according to any one of claims 1 to 6, wherein:
the inner wall of the pressure lever channel (421) is provided with a convex ring (423), the liquid outlet (422) is formed on the convex ring (423), the lower end of the convex ring (423) is provided with a guide inclined plane (424), and the guide inclined plane (424) inclines towards the central shaft of the pressure lever channel (421).
9. Spray device, characterized in that it comprises a bottle and a spray head according to any of claims 1 to 8, the top end of the bottle being detachably mounted in the bottle mounting chamber (21), the lower end of the pump body (41) extending into the bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155312.4U CN219273385U (en) | 2023-02-02 | 2023-02-02 | Spray head and spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155312.4U CN219273385U (en) | 2023-02-02 | 2023-02-02 | Spray head and spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219273385U true CN219273385U (en) | 2023-06-30 |
Family
ID=86914188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320155312.4U Active CN219273385U (en) | 2023-02-02 | 2023-02-02 | Spray head and spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219273385U (en) |
-
2023
- 2023-02-02 CN CN202320155312.4U patent/CN219273385U/en active Active
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