CN214932182U - Hand-buckled sprayer capable of exhausting and reducing pressure - Google Patents
Hand-buckled sprayer capable of exhausting and reducing pressure Download PDFInfo
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- CN214932182U CN214932182U CN202121068695.9U CN202121068695U CN214932182U CN 214932182 U CN214932182 U CN 214932182U CN 202121068695 U CN202121068695 U CN 202121068695U CN 214932182 U CN214932182 U CN 214932182U
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- guide channel
- exhausting
- valve rod
- air duct
- reducing pressure
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Abstract
The utility model relates to a formula atomizer is detained to hand that can exhaust step-down, including casing, main part, shower nozzle, piston, spanner, elastic component, stifle, the main part bottom is provided with the installation section of thick bamboo that link up from top to bottom, and is corresponding, stifle is last to be opened there is the breach that should arrange the installation section of thick bamboo, the air duct is installed to the formula of shirking in the installation section of thick bamboo, and the lower extreme of this air duct passes the breach and stretches into in the stifle, the lower port department of air duct covers has the membrane that allows gaseous and not allow liquid to pass through. The utility model has the advantages of simple and reasonable structure, set up the air duct that can communicate with the external air in the bottle bottom the main part to lower pot head at this air duct has the membrane that allows gas to pass through and not allow liquid to pass through, and in the transportation, when bottle internal pressure increase, the accessible membrane carries out gas exchange and the internal pressure of automatic balance bottle, in order to avoid taking place to leak.
Description
Technical Field
The utility model relates to a hand-clasping sprayer capable of exhausting and reducing pressure.
Background
The sprayer is a miniature sprayer, and the product utilizes the movement of a piston in a pump body to make gas in the pump body flow, reduce the pressure, keep the pressure outside the pump body unchanged, generate pressure difference inside and outside the pump body, guide liquid out of the pump body through the pressure difference, and atomize instantly when the liquid meets high-speed airflow.
The applicant's prior application 202110305494.4 discloses an all-plastic hand sprayer, which comprises a housing, a main body, a spray head, a piston, a wrench, an elastic member, a valve plug, a valve stem, a water dividing head and an elastic connecting member, wherein the valve stem is arranged in a transverse part of an L-shaped liquid guide channel and is used for cutting off or communicating the rear part of the transverse part; the water distribution head is arranged at the front end of the transverse part of the L-shaped liquid guide channel and is used for guiding the liquid in the L-shaped liquid guide channel to the spray head; the first end of the elastic connecting piece is connected with the front end of the valve rod, the second end of the elastic connecting piece is connected with the rear end of the water distribution head, and the valve rod, the water distribution head and the elastic connecting piece are integrally formed.
The integrated water outlet sealing structure is compact in matching, and can effectively avoid liquid leakage, so that the richness and the confidentiality of spraying are improved. However, during transportation, pressure may increase in the bottle of the sprayer due to shaking or the like, and a problem of leakage due to partial pressure of the liquid occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to prior art's current situation, thereby provide a hand knot formula atomizer that can self-bleeding step-down avoid leaking.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a trigger sprayer capable of venting air and reducing pressure, comprising:
a housing;
the main body is constrained in the shell and is provided with an L-shaped liquid guide channel, the transverse part of the L-shaped liquid guide channel is positioned at the top, the vertical part of the L-shaped liquid guide channel is positioned at the lower part, one side of the vertical part of the L-shaped liquid guide channel is provided with an accommodating cavity, and the vertical part of the L-shaped liquid guide channel is communicated with the accommodating cavity;
the spray head is arranged at the end part of the transverse part of the L-shaped liquid guide channel;
the piston is arranged at the outer end of the accommodating cavity in a reciprocating manner and is used for forming the accommodating cavity into a closed inner cavity;
the wrench is arranged on one side of the piston and used for pushing the piston into the accommodating cavity;
the elastic piece is connected with the wrench, so that the piston always keeps the trend of moving towards the outer end of the accommodating cavity;
the blank cap is arranged at the lower end of the main body and is provided with an inserting pipeline connected with the lower end of the vertical part of the liquid guide channel;
the bottom of the main body is provided with an installation cylinder which is communicated up and down, correspondingly, the blank cap is provided with a notch corresponding to the installation cylinder, the installation cylinder is internally provided with a detachable air duct, the lower end of the air duct penetrates through the notch to extend into the blank cap, and the lower port of the air duct is covered with a film which allows air to pass through but not liquid to pass through.
In order to facilitate assembly, a connecting cover which can be matched and connected with the spiral ring is formed by downwards extending the bottom of the main body, the mounting cylinder is arranged on the top wall of the connecting cover, and the lower part of the blank cap is embedded in the connecting cover. A connecting cover on the body encloses at least the top wall of the blank cap therein to prevent liquid leakage.
Preferably, the bottom wall of the accommodating cavity is provided with a ventilation opening, and the connecting cover is provided with an air guide channel which communicates the ventilation opening with the notch. The structure communicates the pressure in the containing cavity with the bottle body, so that the air is conveniently exhausted.
Preferably, the lower end surface of the air duct is formed into an inclined surface which is obliquely arranged from top to bottom, the lower end of the inclined surface is positioned in the blank cover, and the upper end of the inclined surface is arranged close to the edge of the gap. This structure has increased exhaust area, is favorable to improving exhaust effect, simultaneously, makes the liquid that the air duct lower extreme contacted can flow back rapidly, avoids extravagant.
The utility model discloses a sprayer still includes:
the valve rod is arranged in the transverse part of the L-shaped liquid guide channel and is used for cutting off or communicating the rear part of the transverse part;
the water diversion head is arranged at the front end of the transverse part of the L-shaped liquid guide channel and is used for guiding the liquid in the L-shaped liquid guide channel to the spray head;
the first end of the elastic connecting piece is connected with the front end of the valve rod, the second end of the elastic connecting piece is connected with the rear end of the water distribution head, and the valve rod, the water distribution head and the elastic connecting piece are integrally formed.
The valve rod, the water distribution head and the elastic connecting piece structure which are integrally formed cut off or communicate the liquid guide channel, and the matched sealing position is positioned at the rear part of the transverse part, so that the pressure loss is avoided, and the sealing effect is improved; the integrated water outlet sealing structure is more compact in matching, and can effectively avoid liquid leakage, thereby improving the richness and the confidentiality of the spray.
In order to realize sealing, the inner diameter of the rear part of the transverse part is smaller than that of the front part, a first step is formed at the joint, and the rear end face of the valve rod abuts against the first step. The utility model discloses a valve rod, water diversion head, elastic connection spare have occupied the volume more than two-thirds of transverse component in transverse component, are favorable to making the quick output of liquid.
Preferably, the valve rod comprises a rod body and a sealing head, the rod body is provided with at least two guide pieces which extend outwards from the central shaft along the radial direction, the sealing head is cylindrical and is connected to the rear ends of the guide pieces, and the rear end face of the sealing head is elastically abutted against the first step. A flow channel is formed between the adjacent guide sheets and the inner wall of the transverse part so as to guide the flow direction of the liquid; the L-shaped liquid guide channel is cut off and sealed at the central part of the transverse part, so that the sealing performance is improved, the pressure loss is avoided, and the spraying tightness is improved.
Preferably, the number of the guide pieces is at least three, and each guide piece is gradually inclined backwards towards the axis of the valve rod near the rear end to form a guide inclined surface. The structure is convenient for rapidly realizing the output of gas or liquid when the valve rod is extruded by the gas or liquid.
Preferably, the rear end surface of the sealing head is formed into a conical surface whose diameter is gradually reduced from front to rear, and correspondingly, the step surface of the first step is formed into a conical surface matched with the conical surface, and a guide post capable of being inserted into the rear part of the transverse part is further arranged at the center of the conical surface. The conical surface is matched with the conical surface, so that the sealing performance is improved; the guide post is favorable to improving the leakproofness on the one hand, and on the other hand plays the constraining action to the ascending removal of valve rod in the axial, improves stability.
Preferably, the elastic connecting piece is of a wave-shaped structure, and wave crests and wave troughs of the wave-shaped structure are both U-shaped in a natural state. This structure is advantageous for improving the elasticity of the elastic connection member.
As an improvement, unit columns which are axially arranged along the valve rod and are formed into a cylindrical shape are arranged between each wave crest and each wave trough of the elastic connecting piece, and under the state that the elastic connecting piece is compressed, the unit columns are connected end to form a guide column which connects the front end of the valve rod with the rear end of the water distribution head. Set up above-mentioned unit post, on the one hand can restrict elastic connection spare's elastic deformation degree, and on the other hand, under liquid state, each unit post end to end forms at the integrative guide post of axial on, can guide output liquid, reduces out liquid resistance, improves the spraying abundance.
Compared with the prior art, the utility model has the advantages of: the utility model has the advantages of simple and reasonable structure, set up the air duct that can communicate with the external air in the bottle bottom the main part to lower pot head at this air duct has the membrane that allows gas to pass through and not allow liquid to pass through, and in the transportation, when bottle internal pressure increase, the accessible membrane carries out gas exchange and the internal pressure of automatic balance bottle, in order to avoid taking place to leak.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a partial cross-sectional view of an embodiment of the invention;
fig. 5 is a schematic structural view of the water outlet sealing structure in the embodiment of the present invention;
fig. 6 is a partial enlarged view of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the all-plastic hand sprayer of the present embodiment includes a housing 1, a main body 2, a nozzle 3, a piston 4, a wrench 5, an elastic member 50, a cap 7, and a coil 8.
The main body 2 is arranged in the shell 1, the main body 2 is provided with an L-shaped liquid guide channel, the transverse part 211 of the L-shaped liquid guide channel is positioned at the top, the vertical part 212 of the L-shaped liquid guide channel is positioned at the lower part, the accommodating cavity 213 is arranged at one side of the vertical part 212 of the L-shaped liquid guide channel, the L-shaped liquid guide channel vertical part 212 is communicated with the accommodating cavity 213, and the bottom wall of the accommodating cavity 213 is provided with a ventilation opening.
The nozzle 3 is disposed at the end of the transverse portion 211 of the L-shaped liquid guiding channel, and the specific structure of the nozzle 3 is the prior art and will not be described herein.
The above-mentioned accommodation chamber 213 is arranged laterally at one side of the L-shaped liquid guide passage vertical portion 212 and has an outer port through which the piston 4 is arranged. The piston 4 passes through the outer port and is reciprocally disposed in the accommodation chamber 213, so that the accommodation chamber 213 forms a closed inner chamber. The wrench 5 is disposed at one side of the piston 4 for pushing the piston 4 into the accommodating chamber 213. The elastic member 50 is connected to the wrench 5 so that the piston 4 always tends to move toward the outer end of the receiving chamber 213. The elastic member 50 has an L-shape with a first end connected to the wrench 5 and a second end constrained to the lower end of the body 2.
The blank cap 7 has a plug tube 71 inserted into the lower port of the vertical portion 212 of the L-shaped drainage channel, the upper end of the plug tube is provided with a marble, and the lower end of the plug tube 71 is connected with a suction pipe. A coil 8 is attached to the bottom of the body 1 for connection to a container.
In this embodiment, the on-off of the L-shaped liquid guide channel is realized by an integrated water outlet sealing structure. The water outlet sealing structure comprises a valve rod 91, a water distribution head 92 and an elastic connecting piece 93, wherein the valve rod 91 is arranged in the transverse part 211 of the L-shaped liquid guide channel and is used for cutting off or communicating the rear part of the transverse part 211; the water dividing head 92 is arranged at the front end of the transverse part 211 of the L-shaped liquid guide channel and is used for guiding the liquid in the L-shaped liquid guide channel to the spray head 3, and grooves for forming spray are correspondingly arranged on the front end surface of the water dividing head 92 and the inner wall of the spray head 3, which is not described herein; the first end of the elastic connecting piece 93 is connected with the front end of the valve rod 91, the second end is connected with the rear end of the water distribution head 92, and the valve rod 91, the water distribution head 92 and the elastic connecting piece 93 are integrally formed.
Specifically, the inner diameter of the rear portion of the lateral portion 211 is smaller than the inner diameter of the front portion, and a first step 2111 is formed at the junction, and the rear end surface of the valve stem 91 abuts against the first step 2111. The valve stem 91, the water dividing head 92 and the elastic connecting piece 93 occupy more than two thirds of the volume of the transverse part 211 in the transverse part 211, so that the liquid can be rapidly output.
The valve rod 91 comprises a rod body 911 and a sealing head 912, wherein the rod body 911 is provided with four guide sheets 911 extending outwards along the radial direction from the central axis, the cross section of the rod body 911 is in a cross shape, the sealing head 912 is in a cylindrical shape and is connected to the rear end of the guide sheets 911, and the rear end face of the sealing head 912 is elastically pressed on the first step 2111. A flow passage is formed between the adjacent guide piece 911 and the inner wall of the transverse portion 211 to guide the flow of the liquid; the cutting and sealing of the L-shaped liquid guide channel is performed at the central part of the transverse part 211, which is beneficial to improving the sealing performance and avoiding the pressure loss, thereby improving the spraying tightness. Each guide piece 911 is inclined rearward toward the axial center of the valve stem 91 near the rear end to form a guide inclined surface 9111. This structure facilitates the rapid delivery of gas or liquid when the valve stem 91 is squeezed by gas or liquid.
The rear end surface of the above-mentioned seal head 912 is formed into a conical surface 9121 whose diameter is gradually reduced from the front to the rear, and accordingly, the step surface of the first step 2111 is formed into a conical surface matching the conical surface 9121, and a guide post 913 insertable in the rear portion of the lateral portion 211 is further provided at the center of the conical surface 9121. The conical surface 9121 is matched with the conical surface, so that the sealing property is improved; guide post 913 is favorable to improving the leakproofness on the one hand, and on the other hand, plays the constraining action to valve rod 91 at the ascending removal in the axial, improves stability.
In this embodiment, the elastic connecting member 93 is a wave-shaped structure, and in a natural state, the wave crests and the wave troughs of the wave-shaped structure are both U-shaped, which is favorable for improving the elasticity of the elastic connecting member. Each unit column 931 which is axially arranged along the valve rod 91 and is shaped like a cylinder is arranged between each wave crest and each wave trough of the elastic connecting piece 93, and each unit column 931 is connected end to form a guide column which connects the front end of the valve rod 91 with the rear end of the water distribution head 92 in a compressed state of the elastic connecting piece 93. Set up above-mentioned unit post 931, can restrict elastic deformation degree of elastic connection piece 3 on the one hand, on the other hand, under going out the liquid state, each unit post 931 end to end forms at the integrative guide post of axial ascending, can guide output liquid, reduces out liquid resistance, improves the spraying abundance.
A water dividing cavity 31 is formed between the spray head 3 of the embodiment and the front end of the transverse part 211 of the L-shaped liquid guide channel, the front part of the water dividing head 92 is inserted into the water dividing cavity 31, the rear end of the water dividing head 92 is inserted into the transverse part 211, and a gap 921 for outputting liquid is formed between the rear end of the water dividing head 92 and the inner wall of the transverse part 211. The water dividing head 92 has a cylindrical front part and a prismatic rear part, and correspondingly, the near front end of the transverse part 211 is matched with the prismatic structure. The structure is beneficial to enhancing the sealing performance of the valve rod at the front end of the transverse part 211 and avoiding liquid leakage. The periphery of the cylindrical structure of the water diversion head 92 is provided with a sealing sheet 922 arranged along the circumferential direction, the sealing sheet 922 is arranged close to the front end of the transverse part 211, and a notch 9221 which is arranged corresponding to the gap 921 and is used for inputting liquid into the water diversion cavity is formed in the sealing sheet 922.
In this embodiment, as shown in fig. 2 and 6, the bottom of the main body 1 is provided with a vertically through mounting cylinder 11, correspondingly, the blank cap 7 is provided with a notch 72 arranged corresponding to the mounting cylinder 11, the mounting cylinder 11 is detachably mounted with an air duct 10 by means of squeezing, and the lower end of the air duct 10 extends into the blank cap 7 through the notch 72, and the lower port of the air duct 10 is covered with a membrane 100 that allows air to pass through but not liquid to pass through.
For the convenience of assembly, a connecting cover 15 capable of being connected with the coil 8 in a matching way is formed at the bottom of the main body 1 in a downward extending way, and the connecting cover 15 is provided with a surrounding part arranged along the circumferential direction and a horizontal part positioned at the top of the surrounding part. The mounting tube 11 is arranged on the top wall of the connecting cover 15, and the lower part of the blank cap 7 is embedded in the connecting cover 15. The connecting lid 15 on the body 1 encloses at least the top wall of the blank cap 7 therein to avoid liquid leakage.
The bottom wall of the accommodating cavity 213 is provided with a ventilation opening 200, and the connecting cover 15 is provided with an air guide channel 151 for communicating the ventilation opening 200 with the gap 72. This structure communicates the pressure in the receiving chamber 213 with the bottle body, facilitating air evacuation.
The lower end surface of the air duct 10 is formed into a slope 101 which is obliquely arranged from top to bottom, the lower end of the slope 101 is positioned in the blank cap 7, and the upper end of the slope 101 is arranged near the edge of the gap 72. This structure has increased exhaust area, is favorable to improving exhaust effect, simultaneously, makes the liquid that the lower extreme of air duct 10 contacted can flow back rapidly, avoids extravagant.
When the sprayer of the embodiment is used, the wrench 5 is pressed, so that the air in the accommodating cavity 213 is discharged through the liquid guide channel, and negative pressure is formed in the accommodating cavity 213; the wrench 5 is loosened, and the solution in the container enters the accommodating cavity 213 after the marble is extruded by the lower part of the vertical part 212 of the liquid guide channel; when the wrench 5 is pressed, the piston 4 presses the liquid in the accommodating cavity 213, so that the part of the liquid enters the transverse part 211 of the liquid guide channel and presses the valve rod 91, enters the water distribution cavity 31 through the flow channel, the front part of the transverse part 211 and the gap, and forms spray after passing through the spray head 3; ambient air is fed into the container through the vent 216.
Claims (10)
1. A trigger sprayer capable of venting air and reducing pressure, comprising:
a housing;
the main body is constrained in the shell and is provided with an L-shaped liquid guide channel, the transverse part of the L-shaped liquid guide channel is positioned at the top, the vertical part of the L-shaped liquid guide channel is positioned at the lower part, one side of the vertical part of the L-shaped liquid guide channel is provided with an accommodating cavity, and the vertical part of the L-shaped liquid guide channel is communicated with the accommodating cavity;
the spray head is arranged at the end part of the transverse part of the L-shaped liquid guide channel;
the piston is arranged at the outer end of the accommodating cavity in a reciprocating manner and is used for forming the accommodating cavity into a closed inner cavity;
the wrench is arranged on one side of the piston and used for pushing the piston into the accommodating cavity;
the elastic piece is connected with the wrench, so that the piston always keeps the trend of moving towards the outer end of the accommodating cavity;
the blank cap is arranged at the lower end of the main body and is provided with an inserting pipeline connected with the lower end of the vertical part of the liquid guide channel;
the method is characterized in that: the bottom of the main body is provided with an installation cylinder which is communicated up and down, correspondingly, the blank cap is provided with a notch corresponding to the installation cylinder, the installation cylinder is internally provided with a detachable air duct, the lower end of the air duct penetrates through the notch to extend into the blank cap, and the lower port of the air duct is covered with a film which allows air to pass through but not liquid to pass through.
2. The hand button sprayer capable of exhausting and reducing pressure according to claim 1, wherein: the bottom of the main body extends downwards to form a connecting cover which can be matched and connected with the spiral ring, the mounting cylinder is arranged on the top wall of the connecting cover, and the lower part of the blank cap is embedded in the connecting cover.
3. The hand button sprayer capable of exhausting and reducing pressure according to claim 2, wherein: the bottom wall of the containing cavity is provided with a ventilation opening, and the connecting cover is provided with an air guide channel which communicates the ventilation opening with the notch.
4. The hand button sprayer capable of exhausting and reducing pressure according to claim 1, wherein: the lower end surface of the air duct is formed into an inclined surface which is obliquely arranged from top to bottom, the lower end of the inclined surface is positioned in the blank cover, and the upper end of the inclined surface is arranged close to the edge of the gap.
5. The aerosol trigger sprayer capable of exhausting and depressurizing according to claim 1, 2 or 3, wherein: further comprising:
the valve rod is arranged in the transverse part of the L-shaped liquid guide channel and is used for cutting off or communicating the rear part of the transverse part;
the water diversion head is arranged at the front end of the transverse part of the L-shaped liquid guide channel and is used for guiding the liquid in the L-shaped liquid guide channel to the spray head;
the first end of the elastic connecting piece is connected with the front end of the valve rod, the second end of the elastic connecting piece is connected with the rear end of the water distribution head, and the valve rod, the water distribution head and the elastic connecting piece are integrally formed.
6. The hand button sprayer capable of exhausting and reducing pressure according to claim 5, wherein: the inner diameter of the rear part of the transverse part is smaller than that of the front part, a first step is formed at the joint, and the rear end face of the valve rod is abutted against the first step.
7. The hand button sprayer capable of exhausting and reducing pressure according to claim 6, wherein: the valve rod comprises a rod body and a sealing head, the rod body is provided with at least two guide pieces which extend outwards along the radial direction from the central shaft, the sealing head is cylindrical and is connected to the rear ends of the guide pieces, and the rear end face of the sealing head is elastically abutted against the first step.
8. The hand button sprayer capable of exhausting and reducing pressure according to claim 7, wherein: the guide piece is at least three, and each guide piece is inclined backwards gradually towards the axis of the valve rod near the rear end to form a guide inclined plane.
9. The hand button sprayer capable of exhausting and reducing pressure according to claim 7, wherein: the rear end face of the sealing head is formed into a conical surface with the diameter gradually reduced from front to back, correspondingly, the step surface of the first step is formed into a conical surface matched with the conical surface, and the center of the conical surface is also provided with a guide column capable of being inserted into the rear part of the transverse part.
10. The hand button sprayer capable of exhausting and reducing pressure according to claim 5, wherein: the elastic connecting piece is of a wave-shaped structure, and wave crests and wave troughs of the wave-shaped structure are both U-shaped in a natural state; each unit column which is axially arranged along the valve rod and is formed into a cylinder is arranged between each wave crest and each wave trough of the elastic connecting piece, and the unit columns are connected end to form a guide column which connects the front end of the valve rod with the rear end of the water distribution head in a compressed state of the elastic connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068695.9U CN214932182U (en) | 2021-05-18 | 2021-05-18 | Hand-buckled sprayer capable of exhausting and reducing pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068695.9U CN214932182U (en) | 2021-05-18 | 2021-05-18 | Hand-buckled sprayer capable of exhausting and reducing pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214932182U true CN214932182U (en) | 2021-11-30 |
Family
ID=79061476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121068695.9U Active CN214932182U (en) | 2021-05-18 | 2021-05-18 | Hand-buckled sprayer capable of exhausting and reducing pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214932182U (en) |
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2021
- 2021-05-18 CN CN202121068695.9U patent/CN214932182U/en active Active
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