CN111957463A - Miniature hand-clasping sprayer - Google Patents

Miniature hand-clasping sprayer Download PDF

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Publication number
CN111957463A
CN111957463A CN202010896025.XA CN202010896025A CN111957463A CN 111957463 A CN111957463 A CN 111957463A CN 202010896025 A CN202010896025 A CN 202010896025A CN 111957463 A CN111957463 A CN 111957463A
Authority
CN
China
Prior art keywords
valve rod
pump body
assembling seat
piston
elastic 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.)
Pending
Application number
CN202010896025.XA
Other languages
Chinese (zh)
Inventor
桂仁东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shengqi Industrial Co ltd
Original Assignee
Zhejiang Shengqi Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Shengqi Industrial Co ltd filed Critical Zhejiang Shengqi Industrial Co ltd
Priority to CN202010896025.XA priority Critical patent/CN111957463A/en
Publication of CN111957463A publication Critical patent/CN111957463A/en
Priority to CN202110249129.6A priority patent/CN113023090A/en
Priority to CN202120494801.3U priority patent/CN214599893U/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The invention relates to a miniature hand-buckled sprayer which comprises a connecting seat, a pump body, a valve rod, a marble, a first elastic piece, an upper assembling seat, a lower assembling seat, a small piston and a second elastic piece, wherein the first elastic piece is sleeved on the periphery of the valve rod and arranged above the pump body, is not limited by the structure of the pump body, and can adopt an all-plastic spring, so that the miniature hand-buckled sprayer is convenient to recycle; in addition, the elastic contact surfaces of the first elastic piece sleeved on the periphery of the valve rod and other parts are larger, and the stability and the reliability are better; the invention improves the negative pressure generating structure and the generating principle in the pump body, and is realized by matching the upper assembling seat, the lower assembling seat, the small piston and the second elastic piece.

Description

Miniature hand-clasping sprayer
Technical Field
The invention relates to a miniature hand-buckled sprayer.
Background
At present, a common manual sprayer is of a hand-buckling or pressing type structure, and liquid in a container can be atomized and sprayed out by pressing a wrench or a pressing nozzle switch through a hand buckle.
The applicant's prior application, hand sprayer (patent No. ZL201110087206.9), discloses a structure comprising a pressing device; the valve rod can move along the axial direction under the driving of the pressing device, a spray head is arranged on the valve rod, and a spray cavity communicated with a spray nozzle of the spray head is formed in the valve rod; the bottle cap is connected to the bottle body of the sprayer, and is provided with a through hole along the axial direction; the pump assembly comprises a pump body, a push rod and a spring, wherein the pump body is arranged in the through hole, the push rod is accommodated in the pump body and can axially move relative to the pump body, one end of the spring is arranged on the push rod, and the other end of the spring is arranged at the bottom of an inner cavity of the pump body; the suction pipe is connected to the bottom of the pump body; the pump assembly is still including the piston of holding in the pump body, the first half of lateral wall of this piston is the back taper, the inner chamber of the pump body is formed with along circumference arrange and can with the protruding muscle that the back taper face of piston offseted, the lateral wall lower half of piston is provided with the lug that can offset with protruding muscle still at the interval along circumference, and, the shaft hole has been seted up to the piston, this shaft hole inner wall is provided with the round annular arch along circumference, the ejector pin is cylindrically, this ejector pin is inserted and is established in the shaft hole of piston and can be for this piston axial displacement, still be provided with row's indent on the lateral wall of ejector pin.
The structure can realize better injection stability and can adapt to normal atomization of high-viscosity liquid, but the spring is a metal spring, so that the spring is not convenient to recycle; and, all there is ascending relative displacement in the axial between its ejector pin and piston, the lower connecting rod, can guarantee better leakproofness in the short-term, but long-term after using easily because of each part cooperation unstable influence leakproofness.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a miniature hand-buckled sprayer which is convenient to recycle and has lasting high sealing property.
The technical scheme adopted by the invention for solving the technical problems is as follows: a miniature hand-buckled sprayer comprises
The lower part of the connecting seat is provided with a spiral ring used for being connected with the bottle body, the upper part of the connecting seat is provided with a connecting sleeve communicated with the spiral ring, and the side part of the connecting seat is rotatably connected with a wrench;
the upper part of the pump body is inserted into the helicoidal ring of the connecting seat and is provided with an upper port arranged corresponding to the connecting sleeve, and the bottom of the pump body is provided with a lower port connected with the suction pipe;
the valve rod is arranged on the connecting seat and can move up and down under the driving of a wrench, the lower part of the valve rod penetrates through the connecting sleeve and extends into the inner cavity of the pump body, the lower end of the valve rod is provided with a piston which can be tightly attached to the inner peripheral wall of the pump body, and the interior of the valve rod is hollow to form a through flow channel;
the marble is arranged in the pump body and used for opening or closing the lower port of the pump body;
the method is characterized in that: also comprises
The first elastic piece is arranged in the connecting sleeve and sleeved on the periphery of the valve rod, so that the valve rod always keeps the trend of moving upwards;
the upper end of the upper assembling seat is inserted into the lower port of the valve rod and moves synchronously with the valve rod, a vertically extending flow guide section is formed at the upper part of the upper assembling seat, an installation cavity with the inner diameter being larger than that of the flow guide section is formed at the lower part of the upper assembling seat, and a through hole communicated with the upper part of the installation cavity is formed in the outer peripheral wall of the upper assembling seat;
the upper end of the lower assembling seat is inserted into the lower part of the mounting cavity of the upper assembling seat and moves synchronously with the upper assembling seat, the upper end of the lower assembling seat is provided with a socket corresponding to the flow guide section, and the lower end of the lower assembling seat is a blind end;
the small piston can be arranged in the mounting cavity in a vertically moving mode, a column head which extends vertically and is elastically sealed with the lower port of the flow guide section is arranged in the center of the small piston, and piston sheets which can be attached to the inner wall of the mounting cavity, plug the through hole after moving upwards and expose the through hole after moving downwards are arranged on the periphery of the column head at intervals; and
and the second elastic piece is inserted into the socket, and the upper end of the second elastic piece is abutted against the lower end of the small piston, so that the small piston always keeps the trend of moving upwards.
Preferably, the upper wall surface of the mounting cavity extends downwards gradually from the central part to the edge to form a first inclined surface, and the outer diameter of the column head is gradually reduced from bottom to top and forms an arc surface at the upper end. The structure of the first inclined plane and the column head is beneficial to the upward fluid to play a role in guiding.
Preferably, the piston plate is in a tapered sleeve shape with a large upper end and a small lower end, the outer edge of the piston plate is tightly attached to the inner wall of the installation cavity on the lower side of the first inclined plane, and the through hole is arranged close to the lower edge of the first inclined plane. The structure is beneficial to improving the sealing performance.
Preferably, the second elastic element is a sleeve-shaped structure in a polygon prism shape, and a gap is formed between a straight edge of the polygon prism-shaped structure and the inner wall of the socket. The second elastic part can be made of flexible materials such as silica gel and rubber, and the upper structure is favorable for improving the elasticity of the second elastic part.
Preferably, the lower part of the lower assembling seat is provided with a compression cavity which extends vertically and is communicated with the socket. The structure is beneficial to increasing the volume of compressible air and improving the pumping stability of the liquid.
Preferably, a first inner shoulder is formed on the inner wall of the connecting sleeve at a position close to the upper end, a blank cap which can move up and down and can abut against the first inner shoulder for limiting after moving up to the right position is arranged in the connecting sleeve, the upper end of the first elastic piece abuts against the lower wall surface of the blank cap, the lower end of the first elastic piece abuts against the upper edge of the pump body, and the valve rod is linked with the blank cap and can drive the blank cap to move down. The first elastic piece is a thermoplastic spring which is penetrated up and down and is provided with a plurality of elastic units in the axial direction, and the elastic units are smoothly transited to form a wavy and wavy structure in the axial direction. Adopt above-mentioned structure to make the valve rod compressible first elastic component when descending, and after the valve rod finishes down, utilize the pressure power of first elastic component to provide the elasticity that resets for the valve rod, because first elastic component is the area and the volume thermoplastic spring that all is great, elasticity is better, is favorable to improving the stability and the reliability of atomizer.
Preferably, the upper part of the valve rod is formed into an inverted L-shaped structure, a convex shaft which is matched with the wrench in a rotating mode is arranged at a corner of the L-shaped structure, and a first convex rib which extends vertically and the lower end of the first convex rib is abutted to the upper wall surface of the blank cap is arranged on the outer peripheral wall of the vertical part of the L-shaped structure. The transverse part end of the L-shaped structure is connected with a spray head. The structure is convenient for linking the valve rod with the blank cap and the first elastic piece, and is used for compressing the first elastic piece.
Preferably, the upper end of adapter sleeve rotates to be connected with and to carry out the lock cover that locks to the valve rod position, the outward flange of first bead corresponds the lock cover inboard and arranges, the outside extension in first bead upper portion forms the second bead that can offset with the upper end of lock cover, open the spout that supplies the second bead to pass on the internal perisporium of lock cover. The lock sleeve is rotated until the second convex edge is in a staggered state with the sliding groove, the lower end of the second convex edge is abutted against the upper end of the lock sleeve, and the valve rod cannot move downwards; and rotating the lock sleeve until the second convex edge is aligned with the sliding groove to allow the valve rod to move downwards, wherein the second convex edge is in guiding fit with the sliding groove.
Preferably, the upper part of the pump body is provided with an air vent communicated with the inner cavity, the piston closes the air vent in the reset state of the valve rod, and the piston opens the air vent in the downward state of the valve. The structure is convenient for supplementing air into the bottle body.
Compared with the prior art, the invention has the advantages that: the first elastic part is sleeved on the periphery of the valve rod and arranged above the pump body, the pump body is not limited by the structure of the pump body, and an all-plastic spring can be adopted, so that the recycling is convenient; in addition, the elastic contact surfaces of the first elastic piece sleeved on the periphery of the valve rod and other parts are larger, and the stability and the reliability are better; the invention improves the negative pressure generating structure and the generating principle in the pump body, and is realized by matching the upper assembling seat, the lower assembling seat, the small piston and the second elastic piece.
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 a partial cross-sectional view of an embodiment of the present invention;
fig. 4 is an exploded view of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the miniature hand-buckled sprayer of the present embodiment includes a connecting seat 1, a pump body 2, a valve rod 3, a marble 4, a first elastic member 10, an upper assembling seat 5, a lower assembling seat 6, a small piston 7 and a second elastic member 20.
The lower part of the connecting base 1 is provided with a spiral ring 11 for connecting with the bottle body, the upper part is provided with a connecting sleeve 12 communicated with the spiral ring 11, the side wall of the connecting sleeve 12 is provided with a connecting arm 13 extending upwards, and the connecting arm 13 is rotatably connected with an arc spanner 14 arching upwards. The upper part of the pump body 2 is inserted into the spiral ring 11 of the connecting base 1 and has an upper port arranged corresponding to the connecting sleeve 12, the top edge of the pump body 2 has a support edge 21 supported on the inner top wall of the spiral ring 11, and the bottom of the pump body 2 has a lower port 22 connected with a suction pipe. The valve rod 3 is arranged on the connecting seat 1 and can move up and down under the driving of the wrench 14. The lower part of the valve rod 3 passes through the connecting sleeve 12 and extends into the inner cavity 200 of the pump body 2, the lower end of the valve rod 3 is provided with a piston 31 which can be tightly attached to the inner peripheral wall of the pump body 2, and the valve rod 3 is hollow to form a through flow passage 32. The marble 4 is provided in the pump body 2 for opening or closing the lower port 22 of the pump body 2.
The first elastic member 10 of the present embodiment is disposed in the connecting sleeve 12 and sleeved on the outer circumference of the valve rod 3, so that the valve rod 3 always keeps a tendency of moving upward. The upper end of the upper assembling seat 5 is inserted into the lower port of the valve rod 3, and the outer peripheral wall of the upper assembling seat 5 is matched and locked with the inner peripheral wall of the valve 3 through the convex rib and the concave ring, so that the upper assembling seat 5 moves synchronously along with the valve rod 3. The upper part of the upper assembling seat 5 forms a vertically extending flow guide section 51, the lower part is an installation cavity 52 with an inner diameter larger than that of the flow guide section 51, and as shown in fig. 3 and 4, a through hole 53 communicated with the upper part of the installation cavity 52 is formed on the outer peripheral wall of the upper assembling seat 5.
The upper end of the lower assembling seat 6 is inserted into the lower part of the mounting cavity 52 of the upper assembling seat 5, and the outer peripheral wall of the lower assembling seat 6 is matched and locked with the inner peripheral wall of the lower part of the mounting cavity 52 through the convex rib and the concave ring, so that the lower assembling seat 6 moves synchronously along with the upper assembling seat 5. The upper end of the lower assembling seat 6 is provided with a socket 61 corresponding to the flow guide section 51, and the lower end is a blind end. As shown in fig. 2, the lower portion of the lower fitting seat 6 has a compression chamber 62 extending vertically and communicating with the insertion opening 61, which is advantageous for increasing the volume of compressible air and improving the pumping stability of the liquid.
The small piston 7 is arranged in the mounting cavity 52 in a vertically movable manner, a column head 71 which extends vertically and is elastically sealed with the lower port of the flow guide section 51 is arranged at the central part of the small piston 7, and piston sheets 72 which can be attached to the inner wall of the mounting cavity 52, block the through hole 53 after moving upwards and expose the through hole 53 after moving downwards are arranged at intervals on the periphery of the column head 71. The upper wall surface of the mounting cavity 52 extends downward from the central portion to the edge to form a first inclined surface 521, and the outer diameter of the stud 71 decreases from the bottom to the top and forms an arc surface 711 at the upper end. The configuration of the first ramp 521 and the stud 71 facilitates the guiding of the ascending fluid. The piston sheet 72 is in a tapered sleeve shape with a large upper end and a small lower end, the outer edge of the piston sheet 72 is tightly attached to the inner wall of the installation cavity 52 on the lower side of the first inclined plane 521, and the through hole 53 is arranged close to the lower edge of the first inclined plane 521, so that the sealing performance is improved.
The second elastic element 20 is inserted in the socket 61 and the upper end is against the lower end of the small piston 7, so that the small piston 7 always keeps the trend of moving upwards. The second elastic member 20 is a sleeve-shaped structure of a polygonal prism, and a gap is formed between a straight edge of the polygonal prism and an inner wall of the socket 61. The second elastic member 20 may be made of flexible materials such as silica gel and rubber, and the upper structure is favorable for improving the elasticity of the second elastic member 20.
In this embodiment, a first inner shoulder 121 is formed on the inner wall of the connection sleeve 12 near the upper end, a blank cap 8 is disposed in the connection sleeve 12, the blank cap can move up and down and can abut against the first inner shoulder 121 after moving up to a certain position, the upper end of the first elastic element 10 abuts against the lower wall surface of the blank cap 8, and the lower end abuts against the upper edge of the pump body 2. The valve rod 3 is linked with the blank cap 8 and can drive the blank cap 8 to move downwards. The first elastic member 10 is a vertically penetrating thermoplastic spring, and has a plurality of elastic units 101 in the axial direction, and the elastic units 101 smoothly transition to each other to form a wavy structure in the axial direction. Adopt above-mentioned structure, compressible first elastic component 10 when making valve rod 3 down to after valve rod 3 finishes down, utilize the pressure power of first elastic component 10 to provide the elasticity that resets for valve rod 3, because first elastic component 10 is the area and the volume all great thermoplasticity spring, elasticity is better, is favorable to improving the stability and the reliability of atomizer.
The upper part of the valve rod 3 is formed into an inverted L-shaped structure 33, a convex shaft 331 which is rotatably matched with the wrench 14 is arranged at the corner of the L-shaped structure 33, and a first convex rib 332 which extends vertically and the lower end of which is abutted against the upper wall surface of the blank cap 8 is arranged on the outer peripheral wall of the vertical part of the L-shaped structure 33. A spray head 333 is connected to the transverse portion end of the L-shaped structure 33 to generate a spray.
The upper end of the connecting sleeve 12 of this embodiment is rotatably connected with a lock sleeve 9 capable of locking the position of the valve rod 3, the outer edge of the first rib 332 is arranged corresponding to the inner side of the lock sleeve 9, the upper portion of the first rib 332 extends outwards to form a second rib 334 capable of abutting against the upper end of the lock sleeve 9, and the inner peripheral wall of the lock sleeve 9 is provided with a sliding groove 91 for the second rib 334 to pass through. When the lock sleeve 9 is rotated until the second convex rib 334 and the sliding groove 91 are in a staggered state, the lower end of the second convex rib 334 is abutted against the upper end of the lock sleeve 9, and the valve rod 3 cannot move downwards; rotating the lock sleeve 9 until the second rib 334 is aligned with the slide slot 91 allows the valve stem 3 to move downwardly, the second rib 334 is in guiding engagement with the slide slot 91.
In the present embodiment, the upper portion of the cylinder 2 is provided with a vent hole 23 communicating with the inner cavity 200, and the piston 31 closes the vent hole 23 in the reset state of the valve rod 3, and the piston 31 opens the vent hole 23 in the downward movement state of the valve rod 3. The structure is convenient for supplementing air into the bottle body.
When the nebulizer of this example was used:
when the valve is used for the first time, the wrench 14 is pressed, the valve rod 3 is pressed downwards, the upper assembling seat 5, the lower assembling seat 6, the small piston 7 and the second elastic element 20 are driven to move downwards together, and at the moment, the piston sheet 72 closes the through hole 53; the air below the lower connecting seat 6 in the pump body 2 is continuously compressed along with the descending of the valve rod 3, when the pressure intensity of the air is increased, the air extrudes the piston sheet 72 and enters the mounting cavity 52, the small piston 7 is pressed downwards in the mounting cavity 52, the small piston 7 compresses the second elastic part 20 to generate downward smaller displacement, a gap is generated between the column head 71 and the flow guide section 51, and the air is discharged through the flow guide section 51 and the flow passage 32 of the valve rod 3;
the wrench 14 is loosened, and the valve rod 13 is reset under the action of the first elastic piece 10; in the resetting process, as the air in the inner cavity 200 of the pump body 2 is exhausted, negative pressure is generated, so that the liquid rushes the marble 4 from the lower port 22 of the pump body 2 and enters the inner cavity 200 of the pump body 2;
when the wrench 14 is pressed again, the liquid in the inner cavity 200 of the pump body 2 enters the mounting cavity 52 first and then is discharged through the flow guide section 51 and the flow channel 32 of the valve rod 3 as in the air discharging process.

Claims (10)

1. A miniature hand-buckled sprayer comprises
The lower part of the connecting seat is provided with a spiral ring used for being connected with the bottle body, the upper part of the connecting seat is provided with a connecting sleeve communicated with the spiral ring, and the side part of the connecting seat is rotatably connected with a wrench;
the upper part of the pump body is inserted into the helicoidal ring of the connecting seat and is provided with an upper port arranged corresponding to the connecting sleeve, and the bottom of the pump body is provided with a lower port connected with the suction pipe;
the valve rod is arranged on the connecting seat and can move up and down under the driving of a wrench, the lower part of the valve rod penetrates through the connecting sleeve and extends into the inner cavity of the pump body, the lower end of the valve rod is provided with a piston which can be tightly attached to the inner peripheral wall of the pump body, and the interior of the valve rod is hollow to form a through flow channel;
the marble is arranged in the pump body and used for opening or closing the lower port of the pump body;
the method is characterized in that: also comprises
The first elastic piece is arranged in the connecting sleeve and sleeved on the periphery of the valve rod, so that the valve rod always keeps the trend of moving upwards;
the upper end of the upper assembling seat is inserted into the lower port of the valve rod and moves synchronously with the valve rod, a vertically extending flow guide section is formed at the upper part of the upper assembling seat, an installation cavity with the inner diameter being larger than that of the flow guide section is formed at the lower part of the upper assembling seat, and a through hole communicated with the upper part of the installation cavity is formed in the outer peripheral wall of the upper assembling seat;
the upper end of the lower assembling seat is inserted into the lower part of the mounting cavity of the upper assembling seat and moves synchronously with the upper assembling seat, the upper end of the lower assembling seat is provided with a socket corresponding to the flow guide section, and the lower end of the lower assembling seat is a blind end;
the small piston can be arranged in the mounting cavity in a vertically moving mode, a column head which extends vertically and is elastically sealed with the lower port of the flow guide section is arranged in the center of the small piston, and piston sheets which can be attached to the inner wall of the mounting cavity, plug the through hole after moving upwards and expose the through hole after moving downwards are arranged on the periphery of the column head at intervals; and
and the second elastic piece is inserted into the socket, and the upper end of the second elastic piece is abutted against the lower end of the small piston, so that the small piston always keeps the trend of moving upwards.
2. The miniature trigger sprayer according to claim 1, wherein: the upper wall surface of the mounting cavity gradually extends downwards from the central part to the edge to form a first inclined surface, and the outer diameter of the column head gradually decreases from bottom to top and forms an arc surface at the upper end.
3. The miniature trigger sprayer according to claim 2, wherein: the piston sheet is in a conical sleeve shape with a large upper end and a small lower end, the outer edge of the piston sheet is tightly attached to the inner wall of the installation cavity on the lower side of the first inclined plane, and the through hole is arranged close to the lower edge of the first inclined plane.
4. The miniature trigger sprayer according to claim 1, wherein: the second elastic piece is of a polygonal prism-shaped sleeve-shaped structure, and a gap is formed between a straight edge of the polygonal prism-shaped structure and the inner wall of the socket.
5. The miniature trigger sprayer according to claim 4, wherein: the lower part of the lower assembling seat is provided with a compression cavity which extends vertically and is communicated with the socket.
6. A miniature trigger sprayer according to any one of claims 1 to 5, wherein: the inner wall of the connecting sleeve is provided with a first inner shoulder at a position close to the upper end, the connecting sleeve is internally provided with a blank cap which can move up and down and can be abutted against the first inner shoulder for limiting after moving upwards to a proper position, the upper end of the first elastic piece is abutted against the lower wall surface of the blank cap, the lower end of the first elastic piece is abutted against the upper edge of the pump body, and the valve rod is linked with the blank cap and can drive the blank cap to move downwards.
7. The miniature trigger sprayer according to claim 6, wherein: the upper portion of the valve rod is formed into an inverted L-shaped structure, a protruding shaft which is matched with the wrench in a rotating mode is arranged at the corner of the L-shaped structure, and a first protruding edge which extends vertically and the lower end of the first protruding edge abuts against the upper wall face of the blank cap is arranged on the outer peripheral wall of the vertical portion of the L-shaped structure.
8. The miniature trigger sprayer according to claim 7, wherein: the upper end of adapter sleeve rotates and is connected with the lock cover that can lock the valve rod position, the outward flange of first bead corresponds the lock cover inboard and arranges, the outside second bead that extends formation ability and lock cover's upper end offset in first bead upper portion, it has the spout that supplies the second bead to pass to open on the internal perisporium of lock cover.
9. A miniature trigger sprayer according to any one of claims 1 to 5, wherein: the upper part of the pump body is provided with an air vent communicated with the inner cavity, the piston closes the air vent in the reset state of the valve rod, and the piston opens the air vent in the descending state of the valve.
10. A miniature trigger sprayer according to any one of claims 1 to 5, wherein: the first elastic piece is a thermoplastic spring which is penetrated up and down and is provided with a plurality of elastic units in the axial direction, and the elastic units are smoothly transited to form a wavy and wavy structure in the axial direction.
CN202010896025.XA 2020-08-31 2020-08-31 Miniature hand-clasping sprayer Pending CN111957463A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010896025.XA CN111957463A (en) 2020-08-31 2020-08-31 Miniature hand-clasping sprayer
CN202110249129.6A CN113023090A (en) 2020-08-31 2021-03-08 Improved structure of spray head
CN202120494801.3U CN214599893U (en) 2020-08-31 2021-03-08 Improved structure of spray head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010896025.XA CN111957463A (en) 2020-08-31 2020-08-31 Miniature hand-clasping sprayer

Publications (1)

Publication Number Publication Date
CN111957463A true CN111957463A (en) 2020-11-20

Family

ID=73399434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010896025.XA Pending CN111957463A (en) 2020-08-31 2020-08-31 Miniature hand-clasping sprayer

Country Status (1)

Country Link
CN (1) CN111957463A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245090A (en) * 2021-04-01 2021-08-13 余姚市杰明喷雾器有限公司 Sprayer capable of being used in inverted mode
CN113578572A (en) * 2021-07-29 2021-11-02 宁波辰明喷雾器有限公司 All-plastic spraying device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245090A (en) * 2021-04-01 2021-08-13 余姚市杰明喷雾器有限公司 Sprayer capable of being used in inverted mode
CN113578572A (en) * 2021-07-29 2021-11-02 宁波辰明喷雾器有限公司 All-plastic spraying device

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Application publication date: 20201120