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CN102180316A - Trigger sprayer - Google Patents

Trigger sprayer Download PDF

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Publication number
CN102180316A
CN102180316A CN2011100872069A CN201110087206A CN102180316A CN 102180316 A CN102180316 A CN 102180316A CN 2011100872069 A CN2011100872069 A CN 2011100872069A CN 201110087206 A CN201110087206 A CN 201110087206A CN 102180316 A CN102180316 A CN 102180316A
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CN
China
Prior art keywords
pump housing
piston
push rod
rod
valve rod
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Granted
Application number
CN2011100872069A
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Chinese (zh)
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CN102180316B (en
Inventor
桂仁东
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Zhejiang Sheng Qi Industrial Co., Ltd.
Original Assignee
YE XIAYING
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Priority to CN2011100872069A priority Critical patent/CN102180316B/en
Publication of CN102180316A publication Critical patent/CN102180316A/en
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Publication of CN102180316B publication Critical patent/CN102180316B/en
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Abstract

The invention discloses a trigger sprayer. The trigger sprayer comprises a press device, a valve rod, a bottle cover and a pump component, wherein the pump component comprises a pump body, a mandril and a spring and is characterized by further comprising a piston accommodated in the pump body; the upper half part of the outer side wall of the piston is reversely tapered; convex ribs pressed against the reversely tapered face of the piston are formed in the inner cavity of the pump body along the circumferential direction; convex blocks pressed against the convex ribs are arranged on the lower half part of the outer side wall of the piston at intervals along the circumferential direction; a circle of annular protrusions are arranged on the inner wall of a shaft hole of the piston along the circumferential direction; the mandril is cylindrical and inserted into the shaft hole of the piston and capable of moving axially relative to the piston; and a pressure-releasing slot is formed on the outer side wall of the mandril. In the trigger sprayer, the piston is substituted for the original ball, so the sealing property of a movable sealing cavity of the pump body can be enhanced effectively and the stability of liquid ejection is guaranteed; the outer wall of the mandril is cylindrical and the conventional annular groove structure is canceled, so a locking phenomenon between the valve rod and the mandril can be prevented; and normal ejection of high-viscosity liquid can be guaranteed.

Description

Hand fastening type sprayer
Technical field
The present invention relates to a kind of atomizing cone, particularly a kind of hand-buckling minitype atomizer that is used for the high viscosity liquid jet.
Background technology
At present, the micro-sprayer of selling on the market mostly is manual type and kind is a lot, different field such as according to the composition difference of liquid in container, atomizing cone can be used for growing flower, cleaning, hairdressing and beauty treatment.
Common manual type atomizing cone is hand fastening type or press type structure, and it pushes spanner or pressing nozzle switch by the hand button, the atomization of liquid in the container can be sprayed.As the patent No. is a kind of spray structure the Chinese invention patent " hand-buckling minitype atomizer " of ZL200610050655.5 discloses, and its main points are that a side of the pump housing is offered air extractor vent, and this hole is opened in the pump housing, middle of piston; The spray sheet embeds in the head cap, and head cap embeds in the main body, this communicated central; Main body is connected with switch inner chamber epimere, and switch inner chamber stage casing is connected with the epimere of valve rod, and the centre hole of main body, switch, valve rod communicates; The hypomere of Connection Block is connected with pump housing epimere; Great circle is stuck between the Connection Block and the pump housing; Switch is provided with siamesed boss, extension block, limited step; Described Connection Block is provided with inner convex platform, interior concave bar, limit dais, draw-in groove, pivot shaft; The desk-top support pump housing of convex inserts and spacing interior plug.
But, in above-mentioned patent, the needle bottom of atomizing cone is along circumferentially forming circular groove structure, the bottom of piston is formed with the conical surface that can be embedded in the needle annular groove, atomizing cone in this patent is the conical suface cooperation formation leak free by the annular groove of needle and piston base, because in liquid jet process, be easy to residual liquid in the annular groove of needle, be easy to make that the bottom of piston is fastened in the annular groove of needle, not only make and effectively to seal between piston and the needle, but also it is stuck needle to take place, valve rod can't press down and spray phenomenons such as output instability, particularly when examination spray high viscosity liquid, be easy to occur not spray liquid, relatively poor or the ejection of atomizing effect these problems of drops that are in line during liquid cause the atomizing cone can't normal operation.
Summary of the invention
Technical matters to be solved by this invention is to provide at above-mentioned prior art present situation that a kind of sealing effectiveness is good, jetting stability good and can adapt to the hand fastening type sprayer that the normal atomizing of high viscosity liquid is used.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of hand fastening type sprayer includes the pressing device;
Valve rod can drive the lower edge at described pressing device and move axially, and this valve rod is provided with shower nozzle, and this valve rod offers the spray chamber that the nozzle with described shower nozzle is connected;
Bottle cap is connected on the bottle of atomizing cone, and this bottle cap offers through hole vertically;
The pump assembly, include the pump housing, push rod and spring, the described pump housing is arranged in the described through hole, and described push rod is placed in the described pump housing and can moves axially with respect to this pump housing, one end of described spring is arranged on the described push rod, and the other end of this spring is arranged at the bottom of described pump housing inner chamber; And
Suction pipe is connected in the bottom of the described pump housing;
It is characterized in that: described pump assembly also includes the piston that is placed in the described pump housing, the lateral wall first half of this piston is back taper, the inner chamber of the described pump housing is formed with along the circumferential arrangement and the convex tendon that can offset with the back taper face of described piston, the lateral wall lower part of described piston along circumferentially also the compartment of terrain be provided with the projection that can offset with described convex tendon, and, described piston offers axis hole, this shaft hole inner wall is along circumferentially being provided with a circle annular protrusion, described push rod is cylindrical, this push rod is plugged in the axis hole of described piston and can moves axially with respect to this piston, also is provided with the row pressure groove on the lateral wall of described push rod.
In order to guarantee the movable sealing between push rod and the valve rod better, as preferably, the head of described push rod is tapered, is formed with the type conical bench face suitable with the head of this push rod in the spray chamber of described valve rod.
For the ease of processing and manufacturing, and improve the intensity of valve rod, avoid the long and distortion that causes of valve rod, as preferably, described valve rod can be connected to form by boxed rod and lower link, wherein, it is L shaped that described boxed rod cross section is inversion, described shower nozzle is connected the lateral ends of described boxed rod, described lower link is inserted in the vertical lower end of described boxed rod, described type conical bench face is arranged in the spray chamber of described lower link, and the bottom of this lower link is arranged in the described pump housing and can moves vertically with respect to the pump housing.
Come out in order to prevent liquid splash from the pump housing, guarantee the sealing between the lower link and the pump housing, as preferably, described lower link includes axle journal and chock plug, described axle journal links to each other with described boxed rod, and described chock plug close-fitting is arranged among the described pump housing, and can move axially with respect to this pump housing, also be provided with the sealing plug of realizing described chock plug axial limiting in the upper port of the described pump housing, the axle journal of described lower link is inserted in the sealing plug and can moves axially with respect to the sealing plug.
The setting of spring for convenience, as preferably, the bottom of described push rod offers cavity, be formed with an aixs cylinder in this cavity, the inner chamber of the described pump housing is provided with step surface near the position of bottom, described spring one end is fixedly set on the aixs cylinder of push rod, and the other end of spring is arranged on the step surface of the pump housing.
In order to make the driving of valve rod more laborsaving, the while handled easily is as further preferred, described pressing device includes spanner and Connection Block, described Connection Block includes connecting arm and connection cover, and described spanner is hinged on the described connecting arm, and described connection cover and described bottle cap are fixedly linked.
In order to guarantee the reliable connection between the pump housing, bottle cap and the connection cover three, and make things convenient for three's assembling, as preferably, the head of the described pump housing also is arranged with Ka Gai, the bottom of described Ka Gai outwards forms the draw-in groove that the cross section is a U-shaped, the lower end edge of described connection cover circumferentially also is formed with to groove, and the end face of described bottle cap forms baffle ring; Wherein, described connection cover is set in outside the described card lid, described bottle cap is sheathed on outside the described connection cover, the lower end sidewall of described connection cover just in time inserts in the described annular slot, the side edge of described annular slot and described baffle ring offset and realize the axial limiting of described Ka Gai with respect to bottle cap, described baffle ring then just in time to be arranged in the described groove and realize the axial limiting of described connection cover with respect to bottle cap.So card is stamped imitates the effective connection guaranteed between bottle cap, connection cover and the pump housing and reliably spacing.
In order to realize the lock function of atomizing cone, prevent because of maloperation by lower valve rod, as preferably, a locking cover also has been rotatably connected on the described connection cover, the lateral wall of described valve rod is provided with the blend stop to outer lug, the madial wall of described locking cover is along circumferentially forming the boss that energy and described blend stop offset, and described boss offers two groovings of radially establishing relatively and supplying described blend stop to insert vertically.So when the boss of locking cover and the blend stop on the valve rod offseted, valve rod can't be pressed downwards, atomizing cone is for lock-out state; To lock cover and turn over 90 degree, when the grooving that makes locking overlap was aimed at the blend stop of valve rod, valve rod can be pressed and move down this moment, and atomizing cone is for mode of operation, and the operation of locking cover is very simple and convenient.
Compared with prior art, the invention has the advantages that: replaced original hoodle with piston, can improve the leak tightness in pump housing movable sealing chamber effectively, guaranteed the stability of the liquid jet, improved the effect of liquid jet atomizing; In addition, the outer wall of push rod is designed to cylindrical, cancelled existing circular groove structure, moving up and down in the process of push rod, between valve rod and the push rod stuck phenomenon can not take place, avoided can't atomizing of liquids phenomenon take place, and, the row pressure groove is opened on the push rod, make and to form a movable sealing space between the outer wall of push rod and the pump housing madial wall, the liquid that sucks the pump housing from bottle can be closed in this movable sealing space, and liquid that can not flows to the bottle cap outside, has not only avoided the liquid waste but also has guaranteed the cleaning of bottle cap.
Description of drawings
Fig. 1 is the mounting structure scheme drawing of the embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the embodiment of the invention.
Fig. 3 is one of the mounting structure cutaway view of the embodiment of the invention (valve rod lifts state fully).
Fig. 4 is one of mounting structure cutaway view of the embodiment of the invention (a valve rod down state).
Fig. 5 is the locking nested structure scheme drawing of the embodiment of the invention.
Fig. 6 is the three-dimensional cutaway view of locking cover shown in Figure 5.
Fig. 7 is the part sectional view of atomizing cone of the present invention under locking cover closed condition.
Fig. 8 is the part sectional view of atomizing cone of the present invention under locking cover open mode.
Fig. 9 is the pump body structure scheme drawing of the embodiment of the invention.
Figure 10 is the cutaway view of the pump housing shown in Figure 9.
Figure 11 is the lower link structural representation of the embodiment of the invention.
Figure 12 is the cutaway view of lower link shown in Figure 12.
Figure 13 is the piston structure scheme drawing of the embodiment of the invention.
Figure 14 is the cutaway view of piston shown in Figure 13.
Figure 15 is the push rod structure scheme drawing of the embodiment of the invention.
Figure 16 is the cutaway view of push rod shown in Figure 15.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1~shown in Figure 16, the atomizing cone of present embodiment is a kind of hand fastening type sprayer, this atomizing cone includes pressing device, valve rod, bottle cap 1, pump assembly and suction pipe, bottle cap 1 is connected on the bottle of atomizing cone, bottle cap 1 offers through hole vertically, the pump assembly includes the pump housing 2, push rod 3, piston 4 and spring 31, the pump housing 2 is arranged in the through hole of bottle, push rod 3 is placed in the pump housing 2 and can moves axially with respect to this pump housing 2, the top of push rod 3 links to each other with valve rod, and suction pipe then is connected the bottom of the pump housing 2.
Particularly, the pressing device includes can be with the spanner 8 and the Connection Block 9 that is connected this spanner 8 of hand extruding, and Connection Block 9 has connecting arm 91 and connection cover 92, and spanner 8 is hinged on the connecting arm 91, and connection cover 92 and bottle cap 1 are fixedly linked.
Valve rod is arranged at the bottom of spanner 8 and can moves down vertically when spanner 8 is pressed, valve rod includes boxed rod 51 and lower link 52, it is L shaped that boxed rod 51 cross sections are inversion, the lateral ends of this boxed rod 51 is provided with head cap 511, shower nozzle 512 is installed on the head cap 511, and boxed rod 51 and lower link 52 all offer the spray chamber that the nozzle with shower nozzle 512 is connected;
Wherein, lower link 52 also includes axle journal 5211 and chock plug 522, and the axle journal 521 of lower link 52 is inserted in the spray chamber of boxed rod 51; Chock plug 522 can move axially with respect to the pump housing 2, and the cross section of chock plug 522 is dolioform, the dolioform upper end 523 of chock plug 522 stick up to turning up and can and the madial wall realization activity flush fit of the pump housing 2; Also be provided with sealing plug 21 in the upper port of the pump housing 2, sealing plug 21 offers centre hole, the axle journal 521 of lower link 52 is arranged in the centre hole of sealing plug 21 and can moves axially with respect to this centre hole, sealing plug 21 can be realized the axial limiting of chock plug 522, prevents that lower link 52 from deviating from from the pump housing 2 in the process of moving back and forth.
Push rod 3 cylindrical and on outer peripheral face, be formed with outside step surface 2331, the miner diameter end 32 of this push rod 3 inserts in the spray chamber of lower link 52, the bigger diameter end 33 of push rod 3 offers the row pressure groove of arranging vertically 331 on side face, the bottom of push rod 3 offers cavity, be formed with an aixs cylinder 332 in this cavity, the inner chamber of the pump housing 2 is provided with step surface 23 near the position of bottom, and spring 31 1 ends are fixedly set on the aixs cylinder 332 of push rod 3, and the other end of spring 31 is arranged on the step surface 23 of the pump housing 2;
In order to improve the movable sealing of push rod 3 and lower link 52, miner diameter end 32 tops of push rod 3 are circular conical surface 321, be formed with the type conical bench face 524 that can match in the spray chamber of lower link 52 with the top circular conical surface 321 of push rod 3, throw off in order to prevent push rod 3 and lower link 52, the miner diameter end 32 of push rod 3 is provided with the rib 322 of evagination near compartment of terrain on the side face of outer step surface 2331, these ribs 322 can offset with the spray chamber inwall of lower link 52, improve both connection reliability.
In order to prevent the sprayer bottle body deformability, the pump housing 2 is offering admission port 22 near on the sidewall of upper end open, when push rod 3 crank motions and with liquid from bottle during the suction pump housing 2, the gas that is drawn into simultaneously in the pump housing 2 can and be got back in the bottle by admission port 22 discharges once more, thereby form a circulation, prevent that bottle is evacuated and is out of shape;
Present embodiment adopts the piston 4 and the pump housing 2 to cooperate, and has replaced hoodle in the prior art with piston 4, can realize the effect of movable sealing better.
Wherein, the inner chamber of the pump housing 2 is provided with the cascaded surface 24 that is positioned at described step surface 23 tops, piston 4 is arranged on this cascaded surface 24, the lateral surface first half of piston 4 is back taper side 41, the inner chamber of the pump housing 2 is formed with along the circumferential arrangement and the convex tendon 25 that can offset with the back taper side 41 of piston 4, the lateral surface lower part of piston 4 is column, the lateral surface lower part of this piston 4 is provided with projection 42 along circumferentially going back the compartment of terrain, and the convex tendons 25 in the pump housing 2 can offset with the convex tendon 25 on piston 4 lateral surfaces equally;
And, piston 4 also offers axis hole 43, the inwall of this axis hole 43 is along circumferentially being provided with a circle annular protrusion 431, the bigger diameter end 33 of push rod 3 is plugged in the axis hole 43 of piston 4, projection 431 in piston 4 axis holes 43 can be tight against mutually with bigger diameter end 33 lateral walls of push rod 3, when push rod 3 is mobile vertically, because the friction force between axis hole 43 inwalls of push rod 3 and piston 4, making push rod 3 to drive piston 4 in certain stroke moves up and down together, when external force during greater than the friction force between push rod 3 and the piston 4, push rod 3 just can axially move with respect to piston 4.
In order to guarantee the pump housing 2, reliable connection between connection cover 92 and bottle cap 1 three, head at the pump housing 2 also is arranged with card lid 6, card covers 6 bottom and outwards forms the draw-in groove 61 that the cross section is a U-shaped, the lower end edge of connection cover 92 circumferentially is formed with a circle groove 921, the end face of bottle cap 1 forms baffle ring 11, wherein, connection cover 92 is set in outside the card lid 6,1 of bottle cap is sheathed on outside the connection cover 92, at this moment, the lower end sidewall of connection cover 92 just in time inserts in the annular slot 61, and the side edge energy of annular slot 61 and baffle ring 11 offset and realize card lid 6 axial limitings with respect to bottle cap 1; The groove width of the thickness of baffle ring 11 and groove 921 is complementary, and baffle ring 11 is arranged in the groove 921 and realizes the axial limiting of connection cover 92 with respect to bottle cap 1.
In order to prevent maloperation, guarantee safety in utilization, the atomizing cone of present embodiment also is provided with self-locking device, be specially, on connection cover 92, be connected with a locking cover 7 rotationally, this locking cover 7 is inserted in the connection cover 92 and can rotates with respect to connection cover 92, valve rod also is provided with the blend stop 511 to outer lug on the lateral wall of boxed rod 51, the madial wall of locking cover 7 is along circumferentially forming the boss 71 that energy and blend stop 511 offset, boss 71 offers two groovings 72 of radially relatively establishing and inserting for blend stop 511 vertically, and the lateral wall upper edge of locking cover 7 is circumferentially gone back the compartment of terrain and is provided with the evagination limiting stopper 73 that can offset with the top end face of connection cover 92;
Use for convenience, form manual plectrum 74 on the locking cover 7, the side stamp " open " of connection cover 92 indicates, when the manual plectrum 74 of locking cover 7 is in " open " sign position, the blend stop 511 of boxed rod 51 is corresponding with the grooving 72 of locking cover 7 madial walls, and at this moment, the blend stop 511 of boxed rod 51 can be movable downwards along grooving 72, spanner 8 can actuate valve stem move downward, thereby realizes spraying; After finishing using, the manual plectrum 74 of locking cover 7 revolved turn 90 degrees, make manual plectrum 74 and " open " indicate mutual dislocation, at this moment, the blend stop 511 of boxed rod 51 is corresponding with the boss 71 of locking cover 7 madial walls, the blend stop 511 of boxed rod 51 props up boss 71 and can't move downward, and spanner 8 can't actuate valve stem move downward, and atomizing cone is in the lock state.
The atomizing cone principle of work of present embodiment is:
During first the use, when pushing spanner 8, valve rod drives push rod 3 and moves downward, under the friction force effect, piston 4 moves downward with push rod 3, when piston 4 moves to cascaded surface 24 with the pump housing 2 when offseting, the back taper side 41 of piston 4 just in time with the pump housing 2 in convex tendon 25 axial limiting that offsets and realize moving downward, at this moment, push rod 3 can break away from piston 4 and continue to move down, form a movable sealing chamber A between the pump housing 2, push rod 3, lower link 52 and the piston 4, the gas of this movable sealing chamber A can enter in the bottle by the row pressure groove 331 on the push rod 3;
When decontroling spanner 8, push rod 3 moves up under the restoring force effect of spring 31, and drive piston 4 moves up together, when the projection 42 of piston 4 lateral surfaces and convex tendon 25 in the pump housing 2 offset, piston 4 is realized the axial limiting of upward movement, and at this moment, push rod 3 can continue to move up and be returned to initial position, because the projection 42 of piston 4 no longer forms sealing along circumferentially being provided with at interval between the piston 4 and the pump housing 2.
Through after the circulation repeatedly of said process, along with row pressure groove 331 is discharged the sealing chamber with the gas among the A of movable sealing chamber, movable sealing chamber A and the extraneous pressure reduction that forms, liquid in the bottle is pressed among the A of movable sealing chamber by the barometric pressure effect, simultaneously, extraneous gas enters into bottle by the admission port 22 of the pump housing 2 one sides, in order to fill the space of discharged liquid in the bottle, prevents the bottle distortion;
Continue pressing spanner 8, spring 31 is compressed under push rod 3 pressure effects, the space of movable sealing chamber A diminishes gradually, make A interior pressure in this movable sealing chamber constantly increase, when the interior pressure of movable sealing chamber A increases to a certain degree, movable sealing place between push rod 3 tops and the lower link 52 type conical bench faces 524 opens, and liquid enters into the spray chamber of valve rod, is vaporific ejection through shower nozzle 512 at last.Back and forth push spanner 8, atomizing cone is realized spraying work by above-mentioned principle of work.
Present embodiment replaces existing hoodle with piston 4, and changed the connection structure of push rod 3 and valve rod, thereby the movable sealing when having improved atomizing cone work effectively and the mobile smoothness of liquid, prevented that also push rod 3 is stuck, make the atomizing cone of present embodiment can be applicable to the atomized spray of high viscosity liquid better, improve the stability and the reliability that spray.

Claims (8)

1. a hand fastening type sprayer includes
The pressing device;
Valve rod can drive the lower edge at described pressing device and move axially, and this valve rod is provided with shower nozzle (512), and this valve rod offers the spray chamber that the nozzle with described shower nozzle (512) is connected;
Bottle cap (1) is connected on the bottle of atomizing cone, and this bottle cap (1) offers through hole vertically;
The pump assembly, include the pump housing (2), push rod (3) and spring (31), the described pump housing (2) is arranged in the described through hole, described push rod (3) is placed in the described pump housing (2) and can moves axially with respect to this pump housing (2), one end of described spring (31) is arranged on the described push rod (3), and the other end of this spring (31) is arranged at the bottom of the described pump housing (2) inner chamber; And
Suction pipe is connected in the bottom of the described pump housing (2);
It is characterized in that: described pump assembly also includes the piston (4) that is placed in the described pump housing (2), the lateral wall first half of this piston (4) is back taper, the inner chamber of the described pump housing (2) is formed with along the circumferential arrangement and the convex tendon (25) that can offset with the back taper face of described piston (4), the lateral wall lower part of described piston (4) along circumferentially also the compartment of terrain be provided with the projection (42) that can offset with described convex tendon (25), and, described piston (4) offers axis hole (43), this axis hole (43) inwall is along circumferentially being provided with a circle annular protrusion (431), described push rod (3) is cylindrical, this push rod (3) is plugged in the axis hole (43) of described piston (4) and can moves axially with respect to this piston (4), also is provided with row pressure groove (331) on the lateral wall of described push rod (3).
2. hand fastening type sprayer according to claim 1 is characterized in that: the head of described push rod (3) is tapered, is formed with the type conical bench face (524) suitable with the head of this push rod (3) in the spray chamber of described valve rod.
3. hand fastening type sprayer according to claim 2, it is characterized in that: described valve rod includes boxed rod (51) and lower link (52), wherein, it is L shaped that described boxed rod (51) cross section is inversion, described shower nozzle (512) is connected the lateral ends of described boxed rod (51), described lower link (52) is inserted in the vertical lower end of described boxed rod (51), described type conical bench face (524) is arranged in the spray chamber of described lower link (52), and the bottom of this lower link (52) is arranged in the described pump housing (2) and can moves vertically with respect to the pump housing (2).
4. hand fastening type sprayer according to claim 3, it is characterized in that: described lower link (52) includes axle journal (521) and chock plug (522), described axle journal (521) links to each other with described boxed rod (51), described chock plug (522) close-fitting is arranged among the described pump housing (2), and can move axially with respect to this pump housing (2), also be provided with the sealing plug (21) of realizing described chock plug (522) axial limiting in the upper port of the described pump housing (2), the axle journal (521) of described lower link (52) is inserted in the sealing plug (21) and can moves axially with respect to sealing plug (21).
5. hand fastening type sprayer according to claim 1, it is characterized in that: the bottom of described push rod (3) offers cavity, be formed with an aixs cylinder (332) in this cavity, the inner chamber of the described pump housing (2) is provided with step surface (23) near the position of bottom, described spring (31) one ends are fixedly set on the aixs cylinder (332) of push rod (3), and the other end of spring (31) is arranged on the step surface (23) of the pump housing (2).
6. according to the described hand fastening type sprayer of arbitrary claim in the claim 1~5, it is characterized in that: described pressing device includes spanner (8) and Connection Block (9), described Connection Block (9) includes connecting arm (91) and connection cover (92), described spanner (8) is hinged on the described connecting arm (91), and described connection cover (92) and described bottle cap (1) are fixedly linked.
7. hand fastening type sprayer according to claim 6, it is characterized in that: the head of the described pump housing (2) also is arranged with Ka Gai (6), the bottom of described Ka Gai (6) outwards forms the draw-in groove that the cross section is a U-shaped (61), the lower end edge of described connection cover (92) circumferentially also is formed with to groove (921), and the end face of described bottle cap (1) forms baffle ring (11); Wherein, described connection cover (92) is set in outside the described Ka Gai (6), described bottle cap (1) is sheathed on outside the described connection cover (92), the lower end sidewall of described connection cover (92) just in time inserts in the described annular slot (61), the side edge of described annular slot (61) and described baffle ring (1) offset and realize the axial limiting of described Ka Gai (6) with respect to bottle cap (1), described baffle ring (11) then just in time to be arranged in the described groove (921) and realize the axial limiting of described connection cover (92) with respect to bottle cap (1).
8. hand fastening type sprayer according to claim 6, it is characterized in that: a locking cover (7) also has been rotatably connected on the described connection cover (92), the lateral wall of described valve rod is provided with the blend stop (511) to outer lug, the madial wall of described locking cover (7) is along circumferentially forming the boss (71) that energy and described blend stop (511) offset, and described boss (71) offers two groovings (72) of radially establishing relatively and supplying described blend stop (511) to insert vertically.
CN2011100872069A 2011-04-01 2011-04-01 Trigger sprayer Active CN102180316B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102180316A true CN102180316A (en) 2011-09-14
CN102180316B CN102180316B (en) 2012-10-31

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108820587A (en) * 2018-08-08 2018-11-16 肇庆欧迪斯实业有限公司 Cover and spray cans
CN109649821A (en) * 2018-11-14 2019-04-19 杭州余杭振华日化玻璃有限公司 A kind of external spring type pump core
CN110373411A (en) * 2019-08-22 2019-10-25 奥然科技生物(深圳)有限责任公司 A kind of trace amount DNA extraction capsule
CN112869608A (en) * 2021-02-24 2021-06-01 张嘉伟 Kitchen cleaner with greasy dirt detergent
CN113023090A (en) * 2020-08-31 2021-06-25 浙江晟祺实业有限公司 Improved structure of spray head
CN113042245A (en) * 2021-03-09 2021-06-29 宁波圣捷喷雾泵有限公司 Spray gun

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Publication number Priority date Publication date Assignee Title
CN202011550U (en) * 2011-04-01 2011-10-19 叶夏英 Hand-buckled sprayer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202011550U (en) * 2011-04-01 2011-10-19 叶夏英 Hand-buckled sprayer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108820587A (en) * 2018-08-08 2018-11-16 肇庆欧迪斯实业有限公司 Cover and spray cans
CN108820587B (en) * 2018-08-08 2023-11-03 广东好顺欧迪斯科技股份有限公司 Can lid and spray can
CN109649821A (en) * 2018-11-14 2019-04-19 杭州余杭振华日化玻璃有限公司 A kind of external spring type pump core
CN110373411A (en) * 2019-08-22 2019-10-25 奥然科技生物(深圳)有限责任公司 A kind of trace amount DNA extraction capsule
CN113023090A (en) * 2020-08-31 2021-06-25 浙江晟祺实业有限公司 Improved structure of spray head
CN112869608A (en) * 2021-02-24 2021-06-01 张嘉伟 Kitchen cleaner with greasy dirt detergent
CN112869608B (en) * 2021-02-24 2022-12-06 江苏中兴水务有限公司 Kitchen cleaner with greasy dirt detergent
CN113042245A (en) * 2021-03-09 2021-06-29 宁波圣捷喷雾泵有限公司 Spray gun
CN113042245B (en) * 2021-03-09 2022-05-17 宁波圣捷喷雾泵有限公司 Spray gun

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