CN217836750U

CN217836750U - Full-plastic spray head

Info

Publication number: CN217836750U
Application number: CN202222270267.5U
Authority: CN
Inventors: 李再; 赵秦波
Original assignee: Yuyao Dandan Sprayer Co ltd
Current assignee: Yuyao Dandan Sprayer Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-18
Anticipated expiration: 2032-08-26

Abstract

The application relates to the technical field of spray bottle components, in particular to a full-plastic spray head which comprises a connecting shell detachably connected to a bottle body; the liquid pumping assembly is arranged on the connecting shell; an atomizing head connected with the connecting assembly for spraying; the drawing liquid subassembly includes the stock solution section of thick bamboo, the extrusion shell, the case, a piston, elastic ring and plastic spring, the stock solution section of thick bamboo with be connected casing fixed connection, the reservoir that supplies liquid storage is seted up to the stock solution section of thick bamboo, the case is connected with the extrusion shell, the case is far away to be used for extracting liquid and transmitting to the atomising head in inserting the reservoir towards the tip of body, the plastic spring housing is located all side outer walls of extrusion shell and is had the trend of ordering about the extrusion shell towards the atomising head and remove, the case is equipped with the butt ring towards the end outer wall of stock solution section of thick bamboo is fixed, the elastic ring all overlaps with the piston and is located on the outer wall of case, the elastic ring has the trend of ordering about the piston towards the butt ring and removing. This application has the effect of forming even spraying when being convenient for liquid blowout.

Description

Full-plastic spray head

Technical Field

The application relates to the technical field of spray bottle components, in particular to a full-plastic spray head.

Background

The atomizing bottle is a bottle for forming liquid into fine atomized particles, and has wide application in medical treatment, agriculture and daily necessities.

Referring to fig. 1, in the related art, a spraying assembly is arranged on a spraying bottle body, the spraying assembly includes a connecting casing a, a valve core b arranged on the connecting casing a, a piston c sleeved on the valve core b, an extruding casing e connected with the casing a and used for inserting the valve core b, a liquid storage cavity a1 is formed in the connecting casing a, liquid is stored in the liquid storage cavity a1, the spraying head pushes the piston c to press the liquid into the valve core b along the arrow indication direction in the process that the valve core b moves towards the liquid storage cavity a1, so that the liquid flows upwards along the inside of the valve core b at high speed, and finally flows into the spraying head to be sprayed in an atomizing manner, due to certain friction force between the piston c and the side wall attached to the valve core b, when the piston slides to be connected on the outer side wall of the valve core b, a moving gap d exists between the piston c and the extruding casing e, so that the piston c stays at a position close to the spraying head after being pressed once, so that the water inlet hole is not shielded by the piston c, and when being pressed next time, water flows into the water inlet hole under the condition of small pressure.

In view of the above-mentioned related technologies, the inventor found that when liquid flows toward the atomizing head along the water inlet under a condition of low pressure, the liquid flows out in a droplet shape when atomized and sprayed out through the atomizing head due to a low liquid flow rate, and the liquid cannot form an aerosol, and the aerosol can be formed after being pressed for many times, so that the liquid is wasted, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability of waste caused by water drops formed when liquid is sprayed out, the application provides an all-plastic spray head.

The application provides a plastic atomising head adopts following technical scheme:

an all plastic spray head comprising:

the connecting shell is detachably connected to the bottle body and used for sealing the opening part of the bottle body;

the liquid pumping assembly is connected with the connecting shell and is used for quantitatively pumping liquid in the bottle body;

the atomizing head is connected with the liquid pumping assembly and is used for atomizing and spraying the pumped liquid;

the drawing liquid subassembly includes the liquid storage cylinder, the extrusion shell, the case, a piston, elastic ring and plastic spring, the liquid storage cylinder with be connected casing fixed connection, the liquid storage cylinder is seted up and is supplied the reservoir of liquid storage, the case is connected with the extrusion shell, the case is far away to be used for extracting liquid and transmitting to the atomising head in inserting the reservoir towards the tip of body, plastic spring housing locates to extrude the all side outer walls of shell and has the trend of ordering about the extrusion shell towards the atomising head and remove, the case is equipped with the butt ring towards the fixed end outer wall of liquid storage cylinder, elastic ring all overlaps with the piston and locates on the outer wall of case, elastic ring has the trend of ordering about the piston towards the butt ring and remove.

Through adopting above-mentioned technical scheme, when the atomising head received to press, order about the extrusion shell and extrude the elasticity ring, when the extrusion force reaches a definite value, the elasticity ring together removed towards the tank bottom of reservoir with the piston, and the pressure in the reservoir increases this moment, and the liquid in the reservoir flows towards the atomising head is high-speed to form spray form liquid granule, be difficult for making spun liquid be the drop form, reduce extravagantly. When a user loosens the pressing on the spray head, the plastic spring drives the extrusion shell to drive the spray head to move and reset, so that the closed space in the liquid storage tank is increased and negative pressure is formed, and the liquid in the bottle body is pumped into the liquid storage tank.

Optionally, the piston includes integrative fixed and be plug ring and the sealing ring of concentric setting, be equipped with the drive ring between the outer wall of plug ring and the inner wall of sealing ring, the plug ring, the sealing ring, the drive ring cooperation forms the drive groove, plug ring cover is established and is slided in the outer wall of case week side, the runner has been seted up to the case inside, the through-hole has been seted up to the runner inner wall, the through-hole supplies liquid injection in the reservoir, the piston has interconversion's compression station and negative pressure station, when the piston is in the negative pressure station, plug ring and butt ring butt, and plug ring inner wall seals the through-hole, when the piston is in the compression station, the plug ring is kept away from the butt ring and is removed, the through-hole communicates with the reservoir.

Through adopting above-mentioned technical scheme, when the piston was in the compression station, liquid flowed towards the drive inslot under the compression effect of piston, and when the hydraulic pressure value in the reservoir reached certain numerical value, liquid promoted the position that the grafting ring sheltered from to the through-hole for liquid can flow at a high speed, is favorable to liquid can form the spraying blowout in the atomising head.

Optionally, the inner wall of the plug ring is fixedly provided with at least one sealing convex ring, and the sealing convex ring is tightly abutted against the outer wall of the periphery of the valve core.

Through adopting above-mentioned technical scheme, the setting of sealed bulge loop increases the leakproofness between grafting ring and the case lateral wall for liquid is difficult for flowing from the clearance between grafting ring and the case towards the in-process that the through-hole flows, so that the liquid in the reservoir can the quantity blowout.

Optionally, the extrusion shell is the tube-shape setting, and the locking groove has been seted up to the extrusion shell inner wall, and the locking groove supplies the case to peg graft, and the locking groove has been offered near one side inner wall of butt joint ring and has been inlayed and establish the groove, inlays and establishes the groove and supply elasticity ring to insert, and when the case inserted the tank bottom in locking groove, the terminal surface and the grafting ring butt of locking groove tank bottom were kept away from to the elasticity ring, and the terminal surface and the butt ring butt of elasticity ring are kept away from to the grafting ring.

Through adopting above-mentioned technical scheme, the elasticity ring inlays when locating and inlays the tank bottom of establishing the groove, the elasticity ring is kept away from and is inlayed the one end of establishing the tank bottom of groove and the close lateral wall butt of inserting the ring, and make the one end and the butt ring butt that the elasticity ring was kept away from to the inserting ring, in order to realize inserting the ring in the reservoir hydraulic pressure value not reach certain numerical value before difficult open the through-hole, so that the liquid velocity of flow that flows into the through-hole when the through-hole is open is very fast, so that the formation spraying that the liquid that flows to in the atomising head can be better.

Optionally, the end face of the elastic ring far away from the plug ring is fixedly provided with at least two elastic protrusions, the elastic protrusions are uniformly distributed along the circumferential direction of the axis of the elastic ring, and the elastic protrusions are abutted to the groove bottom of the embedded groove.

Through adopting above-mentioned technical scheme, elastic deformation takes place for elastic bulge when receiving certain pressure, thereby make the plug-in connection ring can move towards the direction of keeping away from the butt ring, open the through-hole in order to realize, make liquid flow to the atomising head in along the through-hole high speed, and elastic bulge makes the elastic distribution that elastic ring received even along the axis circumference evenly distributed of elastic ring, thereby plug-in connection ring is when opening the through-hole, be difficult for appearing because of the atress is uneven and lead to the through-hole to have the condition that the part sheltered from.

Optionally, the end portion of the liquid storage cylinder far away from the atomizing head is fixedly provided with a liquid pumping pipe, a liquid inlet hole is formed in the bottom of the liquid storage tank and communicated with the liquid pumping pipe, a check valve is embedded in the bottom of the liquid storage tank, when the piston is located at a compression station, the check valve shields the liquid inlet hole, and when the piston is located at a negative pressure station, the liquid inlet hole is communicated.

Through adopting above-mentioned technical scheme, the check valve is in order to carry out one-way conduction to the liquid that flows in from the feed liquor hole to reduce the probability that the liquid in the reservoir flows back to the body, thereby make the liquid in the reservoir can the capacity flow atomize to the atomising head.

Optionally, the atomising head is including exerting pressure casing and atomising head, the casing of exerting pressure is equipped with the peg graft pipe, the slot that supplies the peg graft of peg graft pipe is seted up to the extrusion shell, when the peg graft pipe is pegged graft in the slot, peg graft pipe and runner intercommunication, atomising head and the casing fixed connection of exerting pressure have seted up the guide channel on the casing of exerting pressure, the correlation groove has been seted up to the atomising head, the spraying hole has been seted up to the tank bottom of correlation groove, the notch and the guide channel intercommunication in correlation groove, liquid is sprayed from the spraying hole after correlation and the atomizing in the correlation groove.

By adopting the technical scheme, the liquid flows towards the guide channel along the insertion pipe at a high speed and finally flows into the opposite jet groove to be atomized so as to form atomized particles to be sprayed out from the spray hole.

Optionally, the week side outer wall of casing of exerting pressure is opened there is the mounting groove, the mounting groove supplies the spray head to peg graft, mounting groove and guide channel intercommunication, the fixed grafting post that is equipped with of tank bottom of mounting groove, the inner wall an organic whole in correlation groove is equipped with the support ring, when the grafting post inserts the correlation inslot, the inner wall of support ring supports tightly with the circumference lateral wall of grafting post, at least two convection current passageways have been seted up to the inner wall of support ring, one side opening of at least two convection current passageways is relative setting, and communicate with the spraying hole.

Through adopting above-mentioned technical scheme, liquid collides from two convection current passageways when flowing towards the spray hole at a high speed to from the spray hole blowout after making liquid form fine and minute atomized particles, form the probability of spraying when with the improvement liquid blowout.

Optionally, the circumferential outer wall of the spray head is fixedly provided with at least one clamping convex ring, the inner wall of the mounting groove is fixedly provided with clamping grooves, the number of the clamping grooves corresponds to that of the clamping convex rings, and when the spray head is inserted into the mounting groove, the clamping convex rings are inserted into the clamping grooves in a clamping mode.

Through adopting above-mentioned technical scheme, the atomising head passes through the joint bulge loop and the mutual joint of joint recess, has increased the firm in connection nature when the atomising head is pegged graft in the mounting groove to reduce under high-speed liquid strikes, the probability that the atomising head breaks away from in throwing from the inserting groove.

Optionally, an elastic convex ring is fixedly arranged on the inner wall of the liquid storage tank close to the bottom of the liquid storage tank, and when the one-way valve is embedded at the bottom of the liquid storage tank, the elastic convex ring is tightly pressed on the side wall of the one-way valve far away from the liquid pumping pipe.

Through adopting above-mentioned technical scheme, when the check valve received water impact and kept away from the reservoir and removed, difficult emergence is not hard up under the butt effect of elasticity bulge loop to make the liquid of extraction to the reservoir difficult from the downthehole conductance of feed liquor of following flow back to the body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the atomizing head is pressed, the extrusion shell is driven to extrude the elastic ring, when the extrusion force reaches a certain value, the elastic ring and the piston move towards the bottom of the liquid storage tank together, at the moment, the pressure in the liquid storage tank is increased, and the liquid in the liquid storage tank flows towards the atomizing head at a high speed to form atomizing liquid particles, so that the sprayed liquid is not easy to form into water drops, and the waste is reduced;

2. the arrangement of the sealing convex ring increases the airtightness between the inserting ring and the outer side wall of the valve core, so that liquid is not easy to flow out from a gap between the inserting ring and the valve core in the process of flowing towards the through hole, and the liquid in the liquid storage tank can be sprayed out in a sufficient amount;

3. elastic deformation takes place when receiving certain pressure for elastic bulge, thereby make the plug ring can move towards the direction of keeping away from the butt ring, open with the through-hole in order to realize, make liquid flow to the atomising head in along the through-hole high speed, and elastic bulge makes the elastic distribution that elastic ring received even along the axis circumference evenly distributed of elastic ring, thereby plug ring when opening the through-hole, be difficult for appearing because of the atress inequality leads to the through-hole to have the condition that the part sheltered from.

Drawings

Fig. 1 is a schematic diagram of a portion of a prior art spray bottle spray assembly.

Fig. 2 is an exploded view of a coupling housing and liquid extraction assembly and atomizing head of an all plastic atomizing head of the present application.

Fig. 3 is a half sectional view of an all plastic spray head of the present application taken along the axis of the extractor tube.

Figure 4 is a side view of a half cross-sectional view of a reservoir in the present application.

Fig. 5 is an exploded view of a half-sectional view of a spray head with atomizing head, liquid extraction assembly, and connecting housing in accordance with the present application.

Fig. 6 is an exploded view of a cross-sectional half view of the spray head and atomizing assembly and connecting housing of the present application.

Fig. 7 is a side view of the elastic ring of the present application.

Description of reference numerals: 1. a connecting shell; 10. an upper connection shell; 11. a lower connecting shell; 12. an inner support ring; 2. a liquid extraction assembly; 20. a liquid storage cylinder; 201. an outer support ring; 202. a liquid storage tank; 203. a liquid inlet hole; 204. an elastic convex ring; 21. extruding the shell; 211. an abutting end portion; 212. a locking groove; 213. embedding a groove; 22. a valve core; 221. a butting ring; 222. a flow channel; 223. a through hole; 23. a piston; 231. a plug-in ring; 232. a seal ring; 233. a drive ring; 234. a drive slot; 24. an elastic ring; 241. an elastic bulge; 25. a plastic spring; 251. an upper elastic part; 252. a lower elastic part; 26. a liquid pumping pipe; 27. a sealing block; 271. an abutting portion; 272. a sealing part; 3. an atomizing head; 30. a pressure applying housing; 301. a yielding groove; 31. a spray head; 311. a correlation slot; 312. a spray orifice; 32. inserting a pipe; 321. a guide channel is arranged; 33. mounting grooves; 331. clamping the groove; 34. inserting the column; 35. a tightening ring; 351. a convection channel; 36. clamping the convex ring; 4. a one-way valve; 40. an elastic connecting strip; 41. and abutting against the valve plate.

Detailed Description

The present application is described in further detail below with reference to figures 2-7. In the present embodiment, the direction indicated by the coordinate axis z in the drawing is upward, and the direction opposite to the z axis is upward.

The embodiment of the application discloses an all-plastic spray head. Referring to fig. 2, plastic atomising head is including connecting shell 1, drawing liquid subassembly 2 and atomising head 3, connects shell 1 and body can dismantle and be connected, and drawing liquid subassembly 2 is located and is used for extracting the liquid in the body and transmit to atomising head 3 on connecting shell 1, and atomising head 3 is used for carrying out the back blowout of atomizing liquid.

Referring to fig. 2 and 3, the pumping assembly 2 includes a reservoir 20, a pressing case 21, a valve core 22, a piston 23, an elastic ring 24, and a plastic spring 25. Wherein connect shell 1 including integrative last connecting shell 10 and lower connecting shell 11 that sets up, go up connecting shell 10 and lower connecting shell 11 and be the setting of support body tube-shape, the external diameter of going up connecting shell 10 is less than the external diameter of connecting shell 11 down, the fixed internal thread that is equipped with of inner wall of lower connecting shell 11 is used for dismantling threaded connection with the bottleneck of body.

Referring to fig. 2, an outer support ring 201 is arranged on the circumferential outer wall of the upper end of the liquid storage cylinder 20, an inner support ring 12 is fixedly arranged on the inner wall of the joint of the upper connecting shell 10 and the lower connecting shell 11, the lower end of the liquid storage cylinder 20 passes through the inner support ring 12, and the lower side wall of the outer support ring 201 and the upper side wall of the inner support ring 12 are abutted and limited with each other. Liquid storage tank 202 has been seted up to liquid storage barrel 20 inside, and liquid storage tank 202 is used for storing liquid, and for the convenience of extracting the liquid in the body, feed liquor hole 203 has been seted up to the tank bottom of liquid storage tank 202, and feed liquor hole 203 runs through the tank bottom of liquid storage tank 202, and inner wall grafting that feed liquor hole 203 is close to the lower extreme has liquid suction pipe 26, and liquid suction pipe 26 is linked together with feed liquor hole 203, and liquid suction pipe 26's lower extreme pipe is towards the inside extension setting of body.

Referring to fig. 2 and 3, in order to make the liquid in the liquid storage tank 202 not easily flow back into the bottle body in the compression process of the piston 23, a check valve 4 is embedded in the bottom of the liquid storage tank 202, an elastic connecting strip 40 is fixedly arranged and connected on the inner wall of the check valve 4 close to the lower end of the check valve 4, one end of the elastic connecting strip 40 far away from the inner wall of the check valve 4 is fixedly connected with an abutting valve plate 41, the abutting valve plate 41 is in an arc shape which is recessed in opposite directions, the abutting valve plate 41 abuts against the opening of the liquid inlet hole 203, in the liquid extraction process, the abutting valve plate 41 is jacked up by the liquid, the liquid inlet hole 203 is conducted, and when the liquid storage tank 202 is compressed, the abutting valve plate 41 compresses and seals the liquid inlet hole 203.

Referring to fig. 3, in order to increase the firmness of the check valve 4 embedded in the liquid storage tank 202, the inner wall of the liquid storage tank 202 close to the bottom of the tank is integrally and fixedly provided with an elastic convex ring 204, and the elastic convex ring 204 is abutted and compressed on the side wall of the upper end edge of the check valve 4 so as to abut and limit the check valve 4.

Referring to fig. 3 and 5, the fixed upper end of locating extrusion shell 21 of atomising head 3, atomising head 3 is including applying pressure casing 30 and atomising head 31, the lower terminal surface of applying pressure casing 30 has seted up the groove of stepping down 301, the fixed grafting pipe 32 that is equipped with of tank bottom of the groove of stepping down 301, the slot has been seted up to the up end of butt casing, the slot supplies grafting pipe 32 to peg graft, support each other tightly between the outer wall of grafting pipe 32 and the inner wall of slot, grafting pipe 32 is close to the inner wall of upper end and has seted up guide channel 321, set up mounting groove 33 on the circumference outer wall of applying pressure casing 30, mounting groove 33 supplies atomising head 3 to peg graft, guide channel and mounting groove 33 communicate each other, the fixed grafting post 34 that is equipped with of tank bottom of mounting groove 33, correlation groove 311 has been seted up towards the terminal surface of mounting groove 33 tank bottom to atomising head 31, correlation groove 311 is used for supplying liquid correlation to form the atomized particles. Specifically, the inner wall of the opposite injection slot 311 is provided with the abutting ring 35 in an integrated manner, the abutting ring 35 is abutted through the outer diameter fit with the insertion column 34, the inner wall of the abutting ring 35 is provided with at least two convection channels 351, which are summarized in the present embodiment, the number of the convection channels 351 is introduced by taking three as an example, the three convection channels 351 are uniformly distributed about the axis of the abutting ring 35, one side notch of the convection channel 351 is communicated with the guide channel, the other side notch of the convection channel 351 extends to the center of the bottom of the opposite injection slot 311, and the three convection channels are generally arranged in opposite directions at the opening at the bottom of the opposite injection slot 311, so that three liquid streams are mutually oppositely injected to form a fine atomization shell, the center of the bottom of the opposite injection slot 311 is provided with the spray hole 312, the spray hole 312 is communicated with the opposite injection slot 311 and the outside, and atomized particles in the opposite injection slot 311 are sprayed out from the spray hole 312 under the action of pressure.

Referring to fig. 5, for having better connection fastness when making atomising head 31 peg graft in mounting groove 33, the fixed at least one joint bulge loop 36 that is provided with of circumference outer wall of atomising head 31, joint bulge loop 36 is the setting of barb form, the joint recess 331 of number and the 36 one-to-one of joint bulge loop is seted up to the inner wall of mounting groove 33, when atomising head 31 pegs graft in mounting groove 33, joint bulge loop 36 inserts and the joint is in corresponding joint recess 331, the inner wall of joint recess 331 is spacing with the mutual joint of joint bulge loop 36. In this embodiment, the number of the snap-fit protruding rings 36 is described by taking two as an example, and the two snap-fit protruding rings 36 are arranged at intervals along the axial direction of the spray head 31.

Referring to the drawings, the pressing shell 21 is arranged in an annular cylinder shape, the abutting end portion 211 is integrally and fixedly arranged on the circumferential outer side wall of the pressing shell 21 close to the upper end, the plastic spring 25 is made of elastic plastic, the plastic spring 25 is arranged in a cylinder shape, the plastic spring 25 comprises an upper elastic portion 251 and a lower elastic portion 252, the upper elastic portion 251 and the lower elastic portion 252 are arranged concentrically, the inner diameter of the lower elastic portion 252 is larger than that of the upper elastic portion 251, the upper end face of the upper elastic portion 251 abuts against the lower side wall of the abutting end portion 211, the lower end face of the lower elastic portion 252 abuts against the upper side wall of the outer support ring 201, and under the elastic force of the lower elastic portion 252, the pressing shell 21 has a tendency of moving upwards, so that the pressing shell 30 can automatically reset after being pressed.

Referring to fig. 5, in order to increase the sealing performance of the abutting position between the pressing shell 21 and the inner wall of the inner support ring 12, a sealing block 27 is sleeved on the outer wall of the circumferential side of the pressing shell 21, the sealing block 27 includes an abutting portion 271 and a sealing portion 272 which are concentrically arranged, the abutting portion 271 is compressed between the lower elastic portion 252 and the opposite side wall of the outer support ring 201, the sealing portion 272 is clamped between the opposite side walls of the pressing shell 21 and the inner support ring 12, and interference connection is formed, the sealing performance is increased, and meanwhile, the connection firmness of the pressing shell 21 is increased, so that the pressing shell 21 and the connecting shell 1 are not easy to be relatively separated.

Referring to fig. 6, a locking groove 212 is formed in an inner wall of the extrusion housing 21 close to the lower end, the locking groove 212 is used for inserting the valve element 22 from bottom to top, an inner wall of the locking groove 212 is in interference connection with an outer side wall of the valve element 22, a circumferential outer wall of the valve element 22 close to the lower end is fixedly connected with a butting ring 221, the elastic member and the piston 23 are sleeved on a circumferential outer wall of the valve element 22 close to the lower end, an embedded groove 213 is formed in an inner wall of a notch close to the lower end of the locking groove 212, the embedded groove 213 is used for embedding the elastic ring 24, when the valve element 22 is inserted into a groove bottom of the locking groove 212, an upper end surface of the elastic ring 24 is butted with a groove bottom of the embedded groove 213, a lower end surface of the elastic ring 24 is butted with an upper end surface of the piston 23, a lower end surface of the piston 23 is butted with the upper side wall of the embedded groove 213, a flow passage 222 is formed in the valve element 22, an upper end opening of the flow passage 222 is communicated with the insertion groove, a through hole 223 is formed in the circumferential inner wall of the flow passage 222, the through hole 223 is communicated with the liquid storage tank 202, the piston 23 has a compression station and a negative pressure station, when the piston 23 is just in the piston 23, the spray liquid storage tank 31, the spray liquid storage station 31 does not enter the spray liquid storage tank 32.

Referring to fig. 6, the piston 23 includes an insertion ring 231 and a sealing ring 232, the insertion ring 231 and the sealing ring 232 are concentrically arranged, an inner diameter of the sealing ring 232 is larger than an outer diameter of the insertion sliding portion, a driving ring 233 is fixedly connected between the sealing ring 232 and an opposite side wall of the insertion ring 231, the sealing ring 232 cooperates with the driving ring 233 and the insertion ring 231 to form a driving groove 234, when the piston 23 is mounted, the insertion ring 231 is sleeved on an outer wall of the circumferential side of the pressing shell 21, an inner wall of the insertion ring 231 is attached to an outer wall of the circumferential side of the pressing shell 21, and an outer wall of the circumferential side of the sealing ring 232 is attached to and abutted against an inner wall of the reservoir 202, so that a sealing space is formed in the reservoir 202, so that the volume of the sealing space formed by the reservoir 202 is reduced or increased when the volume of the sealing space is reduced, the piston 23 is located in a compression station, liquid in the reservoir 202 flows toward the driving groove 234 under high pressure, the insertion ring 231 is pushed upward, so that the through hole 223 is opened, the liquid flows into the flow passage 222 at high speed, and when the volume of the sealing space is increased, the piston 23 is located in a negative pressure station, so as to draw the liquid into the reservoir 202.

Referring to fig. 6 and 7, at least two elastic protrusions 241 are fixedly connected to the upper end surface of the elastic ring 24, the elastic ring 24 and the elastic protrusions 241 are made of elastic plastic materials, the upper ends of the elastic protrusions 241 are abutted to the groove bottoms of the embedded grooves 213, when the elastic protrusions 241 are abutted and extruded by the extrusion shell 21, the elastic protrusions 241 are elastically deformed, the deformation amount is gradually increased, and when the deformation amount of the elastic protrusions 241 in the vertical direction reaches the maximum value, the through holes 223 are opened.

The implementation principle of an all-plastic spray head in the embodiment of the application is as follows: when the liquid spraying device is used, the pressing shell 30 is pressed, the pressure cavity in the liquid storage tank 202 is increased under the action of pressure, the inserting ring 231 moves oppositely under the action of liquid pressure, the through hole 223 is opened only when the pressure reaches a certain value under the action of the elastic force of the elastic ring 24, liquid can flow to the spraying head 31 at a high speed to be atomized, liquid is not in a liquid drop shape and is uniformly atomized when sprayed out, waste of the liquid is reduced, and under the elastic action of the elastic ring 24, when the pressing shell 30 is loosened, the elastic ring 24 pushes the inserting ring 231 to a position abutted against the abutting ring 221 to keep sealing the through hole 223, so that the liquid storage tank 202 forms a negative pressure sealing space, and the liquid in the bottle body is filled. And drawn into the reservoir 202.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An all-plastic spray head, characterized in that: the method comprises the following steps:

the connecting shell (1) is detachably connected to the bottle body and used for sealing the opening part of the bottle body;

the liquid extracting component (2) is connected with the connecting shell (1) and is used for quantitatively extracting liquid in the bottle body;

the atomizing head (3) is connected with the liquid pumping assembly (2) and is used for atomizing and spraying the pumped liquid;

liquid extraction subassembly (2) include liquid storage cylinder (20), extrusion shell (21), case (22), piston (23), elastic ring (24) and plastic spring (25), liquid storage cylinder (20) with be connected shell (1) body fixed connection, liquid storage cylinder (20) are seted up and are supplied liquid storage tank (202) of liquid storage, case (22) are connected with extrusion shell (21), case (22) are far away to be used for drawing liquid and transmit to atomising head (3) in inserting liquid storage tank (202) towards the tip of body, plastic spring (25) cover is located and is extruded shell (21) week side outer wall and has the trend that drives extruded shell (21) and move towards atomising head (3), case (22) are fixed to be equipped with butt ring (221) towards the tip outer wall of liquid storage cylinder (20), elastic ring (24) and piston (23) all overlap on the outer wall of case (22), elastic ring (24) have the trend that drives piston (23) and move towards butt ring (221).

2. An all plastic spray head according to claim 1, wherein: piston (23) including integrative fixed and be plug-in ring (231) and sealing ring (232) of concentric setting, be equipped with between the outer wall of plug-in ring (231) and the inner wall of sealing ring (232) drive ring (233), plug-in ring (231), sealing ring (232), drive ring (233) cooperation forms drive groove (234), plug-in ring (231) cover is established and is slided in case (22) week side outer wall, flow channel (222) have been seted up to case (22) inside, through-hole (223) have been seted up to flow channel (222) inner wall, through-hole (223) supply liquid injection in reservoir (202), piston (23) have interconversion's compression station and negative pressure station, when piston (23) are in the negative pressure station, plug-in ring (231) and butt ring (221) butt, and plug-in ring (231) inner wall seals through-hole (223), when piston (23) are in the compression station, plug-in ring (231) keep away from butt ring (221) and move, through-hole (223) and reservoir (202) intercommunication.

3. An all plastic spray head according to claim 2, wherein: at least one sealing convex ring is fixedly arranged on the inner wall of the plug-in ring (231), and the sealing convex ring is tightly propped against the peripheral side outer wall of the valve core (22).

4. An all plastic spray head according to claim 2, wherein: extrusion shell (21) are the tube-shape setting, locking groove (212) have been seted up to extrusion shell (21) inner wall, locking groove (212) supply case (22) to peg graft, one side inner wall that locking groove (212) are close to butt ring (221) has been seted up and has been inlayed groove (213), it inserts to inlay groove (213) confession elasticity ring (24), when case (22) insert the tank bottom of locking groove (212), the terminal surface and the butt of grafting ring (231) the bottom of locking groove (212) are kept away from in elasticity ring (24), the terminal surface and the butt of butt ring (221) the elasticity ring (24) are kept away from in grafting ring (231).

5. An all plastic spray head according to claim 4, wherein: the end face, far away from the inserting ring (231), of the elastic ring (24) is fixedly provided with at least two elastic protrusions (241), the elastic protrusions (241) are evenly distributed along the circumferential direction of the axis of the elastic ring (24), and the elastic protrusions (241) are abutted to the groove bottom of the embedding groove (213).

6. An all plastic spray head according to claim 2, wherein: the end, far away from the spray head (31), of the liquid storage cylinder (20) is fixedly provided with a liquid pumping pipe (26), the bottom of the liquid storage tank (202) is provided with a liquid inlet hole (203), the liquid inlet hole (203) is communicated with the liquid pumping pipe (26), the bottom of the liquid storage tank (202) is embedded with a one-way valve (4), when the piston (23) is located at a compression station, the one-way valve (4) shields the liquid inlet hole (203), and when the piston (23) is located at a negative pressure station, the liquid inlet hole (203) is communicated.

7. An all plastic spray head according to claim 1, wherein: atomizing head (3) are including exerting pressure casing (30) and atomising head (31), it is equipped with grafting pipe (32) to exert pressure casing (30), the slot that supplies grafting pipe (32) to peg graft is seted up in extrusion shell (21), when grafting pipe (32) are pegged graft in the slot, grafting pipe (32) and runner (222) intercommunication, atomising head (31) and pressure casing (30) fixed connection, guide channel (321) have been seted up on forcing casing (30), correlation groove (311) have been seted up in atomising head (31), spray hole (312) have been seted up to the tank bottom of correlation groove (311), the notch and the guide channel intercommunication of correlation groove (311), liquid is from spray hole (312) blowout after correlation in correlation groove (311) correlation and atomizing.

8. An all plastic spray head according to claim 7, wherein: all side outer walls of casing (30) of exerting pressure are opened there are mounting groove (33), mounting groove (33) supply spray head (31) to peg graft, mounting groove (33) and guide way intercommunication, the fixed grafting post (34) that are equipped with of tank bottom of mounting groove (33), inner wall an organic whole to shooting groove (311) is equipped with support ring (35), when inserting in shooting groove (311) grafting post (34), support ring (35) the inner wall with the circumference lateral wall of grafting post (34) support tightly, at least two convection current passageways (351) have been seted up to the inner wall of support ring (221), one side opening and spraying hole (312) intercommunication of at least two convection current passageways (351).

9. An all plastic spray head according to claim 8, wherein: the fixed at least one joint bulge loop (36) that is equipped with of circumference outer wall of atomising head (31), the inner wall of mounting groove (33) is fixed to be equipped with the joint recess (331) that the number corresponds with joint bulge loop (36), and when atomising head (31) was pegged graft in mounting groove (33), joint bulge loop (36) inserted and the joint in joint recess (331).

10. An all plastic spray head according to claim 6, wherein: an elastic convex ring (204) is fixedly arranged on the inner wall of the liquid storage tank (202) close to the bottom of the tank, and when the one-way valve (4) is embedded in the bottom of the liquid storage tank (202), the elastic convex ring (204) is pressed on the side wall of the one-way valve (4) far away from the liquid pumping pipe (26).