CN-224221605-U - Improved sprayer and spray bottle

CN224221605UCN 224221605 UCN224221605 UCN 224221605UCN-224221605-U

Abstract

The utility model belongs to the technical field of spraying equipment, and provides an improved sprayer and a spraying bottle, wherein the sprayer comprises a pressing cover, a piston, a clamping seat and an elastic element, the clamping seat is provided with a storage cavity, a liquid inlet channel is arranged in the storage cavity, the piston comprises a plug body and a center rod, a through groove is formed in the axis of the plug body, the center rod is arranged in the through groove, the plug body is arranged in the storage cavity, the elastic element is arranged between the plug body and the clamping seat, a spraying opening is formed in the side face of the pressing cover, an inner cover is fixedly arranged in an inner cavity of the pressing cover, a liquid outlet groove is formed between the inner cover and the pressing cover, a liquid outlet hole is formed in the end face of the inner cover, a boss is arranged on the end face, close to the pressing cover, of the plug body and is in sealing fit with the liquid outlet hole, and the plug body and the inner wall of the inner cover are dynamically sealed. The utility model has good sealing performance, can effectively prevent liquid seepage, has good explosive force and is beneficial to improving atomization effect.

Inventors

LUO ZHIMING
WENG HANBIN

Assignees

中山市雾霸实业有限公司

Dates

Publication Date: 20260512
Application Date: 20250313

Claims (15)

1. An improved sprayer is characterized by comprising a pressing cover, a piston, a clamping seat and an elastic element; The piston comprises a plug body and a central rod coaxial with the liquid inlet channel, wherein the plug body is provided with a through groove at the axis, the central rod is arranged in the through groove and is communicated with the through groove, the plug body can axially slide in the storage cavity and is dynamically sealed with the inner wall of the storage cavity, an elastic element is arranged between the plug body and the clamping seat for elastic reset of the piston, and when the central rod moves to the bottle body side in the liquid inlet channel, the central rod firstly seals the liquid inlet channel and then opens the liquid inlet channel; The inner cavity of the pressing cover is fixedly provided with an inner cover, a liquid outlet groove communicated with the spray opening is arranged between the inner cover and the pressing cover, and the end surface of the inner cover is provided with a liquid outlet hole communicated with the liquid outlet groove; The plug body is provided with a boss close to the end face of the pressing cover, the boss is in sealing fit with the liquid outlet hole, and the plug body is dynamically sealed with the inner wall of the inner cover.
2. The improved atomizer according to claim 1, wherein said boss is in the form of a frustum, and the larger end is connected to said plug, and the smaller end in the natural state is in sealing engagement with said outlet.
3. The improved atomizer according to claim 1, wherein a sealing ring is connected to an outer wall of the plug body near one end of the push cap, the sealing ring is dynamically sealed with an inner wall of the inner cap, one end of the elastic element acts on an end face of the sealing ring facing the clamping seat, and the other end of the elastic element acts on the clamping seat.
4. The improved atomizer according to claim 3, wherein the sealing ring is provided with an annular groove on the side facing the inner cap, a positioning ring is arranged on the inner cavity end surface of the inner cap, and the positioning ring is positioned in the annular groove.
5. The improved sprayer according to claim 1, wherein a plurality of connecting parts are arranged between the central rod and the through groove close to the pressing cover, hollow holes are arranged between a plurality of connecting parts, and the boss is coaxial with the central rod.
6. The improved atomizer according to claim 1, wherein a diversion gap is reserved between the edge of the end face of the inner cavity of the pressing cover and the inner cover, the diversion gap is communicated with the spraying opening, a plurality of diversion trenches are formed in the end face of the inner cover, one end of each diversion trench is communicated with the liquid outlet hole, the other end of each diversion trench extends along the radial direction and is communicated with the diversion gap, and all diversion trenches and the diversion gaps form the liquid outlet groove.
7. The improved sprayer according to any one of claims 1-6, wherein the spraying opening comprises a spraying hole and a cyclone groove, the cyclone groove is arranged on the inner wall of the pressing cover, the cyclone groove comprises a circular groove communicated with the spraying hole, a central symmetrical inclined channel, a transverse channel and a vertical channel are respectively arranged on two sides of the circular groove, the vertical channel, the transverse channel, the inclined channel and the circular groove are sequentially communicated, and the vertical channel is communicated with the liquid outlet groove.
8. The improved sprayer according to any one of claims 1-6, wherein the push-on cap cavity is an interference fit with the inner cap.
9. The improved sprayer according to claim 8, wherein the inner wall of the push cap is provided with a second boss located below the spray opening, the second boss being in sealing engagement with the outer wall of the inner cap.
10. The improved sprayer according to any one of claims 1-6, wherein an axially extending center tube is disposed in the reservoir, the liquid inlet passage being disposed in the center tube, the center tube being disposed in the through slot.
11. The improved sprayer according to claim 10, wherein the liquid inlet channel comprises a first liquid inlet section, an enlarged section and a second liquid inlet section which are sequentially arranged along the liquid outlet direction, wherein the enlarged section has a larger inner diameter than the second liquid inlet section; The middle section of the center rod is provided with a sealing part protruding outwards in the radial direction, the sealing part is matched with the inner diameter of the second liquid inlet section and can seal the liquid inlet channel, and the sealing part is smaller than the inner diameter of the expansion section so as to realize the opening of the liquid inlet channel.
12. The improved sprayer according to claim 1 or 3, wherein a protection cylinder is arranged on one side of the clamping seat facing the pressing cover, the protection cylinder is positioned on the outer side of the wall body of the storage cavity, and a limit cavity is formed between the protection cylinder and the wall body of the storage cavity; The pressing cover is sleeved outside the protection cylinder, and a limiting structure for limiting the pressing cover from falling off is arranged between the pressing cover and the protection cylinder.
13. The improved sprayer according to claim 12, wherein said cartridge is provided with a third step, said third step being located outside said protective barrel and corresponding to the end of said push cap facing said cartridge.
14. The improved sprayer according to claim 1, wherein a mounting cavity for assembling with the bottle mouth of the bottle body is formed in the side, facing away from the pressing cover, of the clamping seat, a mounting column is arranged in the mounting cavity, a mounting groove communicated with the liquid inlet channel is formed in the mounting column, and a liquid outlet pipe is assembled in the mounting groove.
15. A spray bottle comprising the improved sprayer of any one of claims 1-14 and a bottle body, wherein the improved sprayer is assembled and secured to the mouth of the bottle body.

Description

Improved sprayer and spray bottle Technical Field The utility model belongs to spray equipment, and particularly relates to an improved sprayer and a spray bottle. Background The push type atomizer in the current market has complex structure and more parts, generally comprises parts such as a pump body, a piston, fog points, springs, steel balls and the like, and has the problems of complex production and assembly procedures, more consumable materials and the like. In order to solve the problem, the prior art has the defects of insufficient sealing performance and weak atomizing spray explosion force of the push type atomizer or the atomizing pump with only a small number of parts. Disclosure of utility model In order to overcome the defects in the prior art, the utility model aims to provide an improved sprayer which has good sealing performance, can effectively prevent liquid seepage, has good explosive force and is beneficial to improving atomization effect. It is another object of the present utility model to provide a spray bottle comprising the improved sprayer described above. The technical scheme adopted for solving the technical problems is as follows: An improved sprayer comprises a press cover, a piston, a clamping seat and an elastic element; The piston comprises a plug body and a central rod coaxial with the liquid inlet channel, wherein the plug body is provided with a through groove at the axis, the central rod is arranged in the through groove and is communicated with the through groove, the plug body can axially slide in the storage cavity and is dynamically sealed with the inner wall of the storage cavity, an elastic element is arranged between the plug body and the clamping seat for elastic reset of the piston, and when the central rod moves to the bottle body side in the liquid inlet channel, the central rod firstly seals the liquid inlet channel and then opens the liquid inlet channel; The inner cavity of the pressing cover is fixedly provided with an inner cover, a liquid outlet groove communicated with the spray opening is arranged between the inner cover and the pressing cover, and the end surface of the inner cover is provided with a liquid outlet hole communicated with the liquid outlet groove; The plug body is provided with a boss close to the end face of the pressing cover, the boss is in sealing fit with the liquid outlet hole, and the plug body is dynamically sealed with the inner wall of the inner cover. According to the utility model, the boss is in a frustum shape, the larger end of the boss is connected with the plug body, and the smaller end of the boss is in sealing fit with the liquid outlet hole in a natural state. According to one preferable scheme of the utility model, the outer wall of the plug body, which is close to one end of the pressing cover, is connected with a sealing ring, the sealing ring is dynamically sealed with the inner wall of the inner cover, one end of the elastic element acts on the end face of the sealing ring, which faces the clamping seat, and the other end of the elastic element acts on the clamping seat. Preferably, an annular groove is formed in one surface, facing the inner cover, of the sealing ring, a positioning ring is arranged on the end face of the inner cavity of the inner cover, and the positioning ring is located in the annular groove. According to the utility model, a plurality of connecting parts are arranged between the central rod and the through groove close to the pressing cover, hollow holes are arranged between the connecting parts, and the boss is coaxial with the central rod. According to one preferable scheme, a flow guide gap is reserved between the edge of the end face of the inner cavity of the press cover and the inner cover, the flow guide gap is communicated with the spraying opening, a plurality of flow guide grooves are formed in the end face of the inner cover, one end of each flow guide groove is communicated with the liquid outlet hole, the other end of each flow guide groove extends along the radial direction and is communicated with the flow guide gap, and all the flow guide grooves and the flow guide gap form the liquid outlet groove. The spray opening comprises a spray hole and a cyclone groove, wherein the cyclone groove is arranged on the inner wall of the pressing cover, the cyclone groove comprises a circular groove communicated with the spray hole, a central symmetrical inclined channel, a transverse channel and a vertical channel are respectively arranged on two sides of the circular groove, the vertical channel, the transverse channel, the inclined channel and the circular groove are sequentially communicated, and the vertical channel is communicated with the liquid outlet groove. In a preferred embodiment of the present utility model, the inner cavity of the pressing cover is in interference fit with the inner cover. Preferably, the inner wall of the pressing cover is provided with a second protrudi