CN107051774B

CN107051774B - Self-locking spray head for emulsion pump

Info

Publication number: CN107051774B
Application number: CN201710418849.4A
Authority: CN
Inventors: 桂仁东; 张贝贝; 毛寅
Original assignee: Guangzhou Gialen Cosmetics Co ltd; Zhejiang Shengqi Industrial Co ltd
Current assignee: Guangzhou Gialen Cosmetics Co ltd; Zhejiang Shengqi Industrial Co ltd
Priority date: 2017-06-06
Filing date: 2017-06-06
Publication date: 2023-01-13
Anticipated expiration: 2037-06-06
Also published as: CN107051774A

Abstract

The invention relates to a self-locking spray head for an emulsion pump, which comprises a lock bottle cap and a head cap; the method is characterized in that: a rotating ring is further sleeved outside the bottle locking cap, a plurality of limiting ribs are arranged in the rotating ring, guide holes for the limiting ribs to penetrate through are formed in the bottle locking cap, the limiting ribs penetrate through the guide holes and then extend into an inner cavity of the bottle locking cap, the limiting ribs are used for blocking and matching the bottom of the peripheral wall of the head cap, and a plurality of abdicating grooves matched with the limiting ribs are further formed in the peripheral wall of the head cap; the rotation ring rotates to the state that the limiting ribs are abutted against the bottom of the peripheral wall of the head cap, the head cap is locked, and the limiting ribs can be inserted into the abdicating grooves to release the locking of the head cap when the rotation ring rotates to the state that the limiting ribs are aligned with the abdicating grooves in the head cap. The self-locking spray head for the emulsion pump is reasonable and compact in structure, can lock the head cap, can effectively prevent the head cap from being operated by mistake, and is more humanized in use.

Description

Self-locking spray head for emulsion pump

Technical Field

The invention belongs to the technical field of cosmetic packaging containers, and particularly relates to a self-locking spray head for an emulsion pump.

Background

The emulsion pump is widely used for cosmetics and bath products and comprises a spray head assembly and a pump body assembly, wherein the spray head assembly is used for driving the pump body assembly to work, the pump body assembly comprises a pump shell, a piston seat, a piston rod and a spring, the piston seat, the piston and the piston rod are assembled in the pump shell to form an integral part, the lower end of the pump shell is connected with a liquid guide pipe, and the spring acts on the piston rod to enable the piston rod to keep moving upwards; the sprayer assembly comprises a bottle locking cover and a head cap, the bottle locking cover is used for being connected to a bottle opening of a cosmetic bottle, a pump shell of the pump body assembly is installed in the bottle locking cover, the bottle locking cover is upwards exposed at the upper end of a piston rod, the bottle locking cover is downwards exposed at the lower end of the pump shell, the head cap is installed at the top of the piston rod, and a nozzle is arranged on the head cap. When the emulsion needs to be pumped out, the head cap is pressed downwards, the piston seat and the piston rod move downwards along with the head cap, the spring is compressed and drives the piston to move downwards at the same time, and the emulsion stored in the pump body in advance is pumped out through the nozzle on the head cap. After the emulsion is pumped out, the hands are released, the piston seat, the piston rod and the head cap move upwards under the elastic force of the spring, and the emulsion is sucked into the pump body again through the liquid guide pipe. The pressing action is repeated continuously, and the emulsion is sprayed out continuously.

For example, a pressing type emulsion spray head is applied in Chinese invention patent application No. CN201110115616.X (publication No. CN 102145782A), and a conventional spray head structure is disclosed in Chinese utility model patent No. ZL201520122781.1 (publication No. CN 204548846U).

The existing spray head for the solution pump has the following defects:

1. no locking device is arranged between the bottle locking cover and the head cap, so that the head cap is easy to be pressed by mistake in the using process, the waste of emulsion is caused, and inconvenience is brought to a user.

2. The existing spray head structure for the emulsion pump can not prevent liquid in the pump from volatilizing, so that the efficacy of the nail polish removing oil liquid is reduced or the function is invalid. For example, in the use process of the existing emulsion sprayer, part of liquid is remained at the mouth of the nozzle on the head cap, and the part of liquid drops down to pollute the table top or remains at the mouth of the nozzle and is oxidized for a long time to form a hard block. Therefore, in order to ensure the freshness of the liquid in the pump, a preservative and an antioxidant need to be added into the emulsion, so that the emulsion is not natural enough and is not environment-friendly enough.

In conclusion, the existing spray head for the emulsion pump needs to be further improved.

Disclosure of Invention

The invention aims to solve the technical problem of providing a self-locking spray head for an emulsion pump, which has a reasonable and compact structure and can lock a head cap, and the spray head can effectively prevent the head cap from being operated by mistake and is more humanized to use.

The technical scheme adopted by the invention for solving the technical problems is as follows: a self-locking spray head for an emulsion pump comprises a lock bottle cap and a head cap which is used for being installed on a pump body assembly, wherein the head cap is located in an inner cavity of the lock bottle cap and can slide up and down relative to the lock bottle cap, and a nozzle for spraying emulsion is arranged on the head cap; the method is characterized in that: a rotating ring which can rotate around the axis of the rotating ring relative to the locked bottle cap is sleeved outside the locked bottle cap, a plurality of limiting ribs are arranged in the rotating ring, guide holes for the limiting ribs to penetrate through are formed in the locked bottle cap, the limiting ribs penetrate through the guide holes and then extend into an inner cavity of the locked bottle cap, the limiting ribs are used for blocking and matching the bottom of the peripheral wall of the head cap, and a plurality of abdicating grooves matched with the limiting ribs are formed in the peripheral wall of the head cap; the rotation ring rotates to the state that the limiting ribs are abutted against the bottom of the peripheral wall of the head cap, the head cap is locked, and the limiting ribs can be inserted into the abdicating grooves to release the locking of the head cap when the rotation ring rotates to the state that the limiting ribs are aligned with the abdicating grooves in the head cap.

As the improvement, it has two constant head tanks that set up along the circumference interval to open on the internal perisporium of above-mentioned rotatory circle, have bellied location muscle on the periphery wall of lock bottle lid, rotate rotatory circle, the location muscle can break away from the constant head tank, rotates at rotatory circle to the position state with the locking of head cap, and location muscle card is gone into in one of them constant head tank, at rotatory circle antiport to the position state of relieving the locking of head cap, and another constant head tank is gone into to location muscle card. For the tight fit between the internal perisporium of location muscle and rotatory circle, the in-process that slides of a constant head tank to another constant head tank when the location muscle on from rotatory circle because the tight fit, will have during the rotation feeling of hindering, when the muscle position is counterpointed the groove, have very obvious commentaries on classics position and feel, so this design makes user's operation feel better.

The inner peripheral surface of the peripheral wall of the head cap is provided with a plurality of thickened ribs which are matched with the limiting ribs in a one-to-one correspondence mode, the thickened ribs and the wall thickness of the peripheral wall of the head cap jointly form a limiting surface which is used for being in contact with the top surface of the limiting ribs, and the top surface of the limiting ribs is in contact with the limiting surface when the rotating ring rotates to the position state for locking the head cap. Like this under the cap latched position state, the area of contact greatly increased between the top surface of spacing face and spacing rib, spacing rib can not follow the perisporium of cap and slide, and is better to the auto-lock effect of cap.

The improved structure is characterized in that the guide holes are arranged in a one-to-one correspondence mode, the guide holes and the limiting ribs are arranged in a rotating mode, the limiting ribs are in contact with one side wall of the guide holes when the rotating ring rotates to the position state of locking the head cap, the limiting ribs are in contact with the side wall of the guide Kong Lingyi when the rotating ring rotates reversely to the position state of releasing the locking position of the head cap, and the limiting ribs are in contact with the side wall of the guide Kong Lingyi. The guide hole has the spacing effect of turned angle to spacing rib, ensures that rotatory circle only rotates at certain angle within range, can better confirm the locking at rotatory circle place or remove the position of locking, and the design is more reasonable.

The middle part of the peripheral wall of the lock bottle cap is provided with an annular blocking shoulder, the inner circumferential wall of the rotating ring is provided with an inner shoulder blade matched with the annular blocking shoulder, the limiting rib is arranged on the inner shoulder blade, the guide hole is arranged on the annular blocking shoulder, and the middle convex rib part of the limiting rib and the top surface of the inner shoulder blade are clamped. The cooperation of annular fender shoulder and interior shoulder blade plays the last spacing effect to rotatory circle, ensures that rotatory circle can not shift up relatively the lock bottle lid axial, and the cooperation with the top surface of shoulder blade in the rib portion then carries on down spacing to the rotation circle.

Further improved, the bottom of the inner peripheral wall of the lock bottle cap is provided with rotation stopping bosses which are arranged at left and right intervals. The rotation stopping boss is used for being matched with the rib position on the bottle body, so that after the bottle locking cover is screwed on the bottle, the bottle locking cover cannot be loosened when the rotating ring is rotated, and the limiting effect is achieved.

The liquid outlet channel of the nozzle is inserted with a one-way valve plate, when the head cap is pressed down, the one-way valve plate deforms under the action of liquid impact force in the nozzle to open the liquid outlet channel, and when the head cap is not pressed down, the one-way valve plate blocks the liquid outlet channel of the nozzle. Under the normality, the liquid outlet channel of nozzle is plugged up to the check valve block to with in the nozzle passage and the pump body subassembly liquid and outside air isolated, the liquid in the nozzle passage and in the pump body subassembly can not be by the oxidation, guarantees the new freshness of liquid during the use, can not add antiseptic and antioxidant in the liquid like this, more pure nature and environmental protection.

The one-way valve plate comprises a plug handle and a plug disc arranged at the top end of the plug handle, the plug handle is plugged into and positioned in the liquid outlet channel of the nozzle, and the plug disc exposes the outer end face of the nozzle and covers the outlet of the liquid outlet channel of the nozzle. The plug disc is large in area and soft, so that the plug disc is easy to deform, and the liquid outlet channel of the nozzle is favorably opened.

Due to the positioning and matching problem of the liquid outlet channel of the plug handle and the nozzle, the one-way valve plate is easy to fall off from the nozzle in the actual use process, so that the function of freshness preservation cannot be realized. Therefore, an outer cover is sleeved outside the nozzle, the outer cover and the nozzle are fixed relatively, a liquid outlet is formed in the top surface of an inner hole of the outer cover, and the top surface of the inner hole of the outer cover is used for limiting the plug disc in front. The dustcoat and the nozzle can be very tight in cooperation, and in the use, when the check valve piece receives the impact force of liquid, because the protection of dustcoat for the check valve piece can not drop, and fresh-keeping function just can continue to realize like this.

Compared with the prior art, the invention has the advantages that: during the use, rotate rotatory circle, when spacing rib on rotatory circle and the groove alignment of stepping down on the head cap, spacing rib can insert the groove of stepping down, so the head cap can normally press, and pump body subassembly can normal use. During the auto-lock, then the rotatory circle of antiport lets spacing rib on the rotatory circle and the dislocation of the groove of stepping down on the head cap for spacing rib keeps off the perisporium bottom of head cap and joins in marriage, and the head cap is blockked this moment, can't press, and pump body subassembly can't use. Effectively preventing the misoperation of the head cap from causing the liquid to be exposed under the condition of no need of use.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded perspective view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a rotating ring according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a headgear according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a locking bottle cap according to an embodiment of the present invention;

fig. 7 is a schematic perspective view illustrating a second embodiment of a locking bottle cap according to the present invention;

fig. 8 is a schematic three-dimensional structure diagram of the locking bottle cap in the embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 8, is a preferred embodiment of the present invention.

A self-locking spray head for an emulsion pump comprises a locking bottle cap 1 and a head cap 3 which is used for being installed on a pump body component 2, wherein the locking bottle cap 1 is used for being connected to a bottle mouth of the emulsion bottle, the locking bottle cap 1 is provided with internal threads, the head cap 3 is positioned in an inner cavity of the locking bottle cap 1 and can slide up and down relative to the locking bottle cap 1, and a spray nozzle 4 for spraying emulsion is arranged on the head cap 3; the pump body assembly 2 is prior art and will not be described in detail here.

The outside of locking bottle lid 1 still the cover is equipped with the rotatory circle 5 that can lock bottle lid 1 relatively around self axis is rotatory, be equipped with many spacing ribs 51 in the rotatory circle 5, spacing rib 51 has three and upwards extends the setting, it has the guiding hole 11 that supplies spacing rib 51 to pass to open on the locking bottle lid 1, guiding hole 11 is the arc, guiding hole 31 has a plurality ofly and guiding hole 11 and the setting of spacing rib 51 one-to-one, spacing rib 51 guiding hole 31 slides relatively. The middle part of the periphery wall of the locking bottle cap 1 is provided with an annular blocking shoulder 13, the inner peripheral wall of the rotating ring 5 is provided with an inner shoulder blade 53 matched with the annular blocking shoulder 13, the limiting rib 51 is arranged on the inner shoulder blade 53, the guide hole 11 is arranged on the annular blocking shoulder 13, the middle part convex rib part 511 of the limiting rib 51 is clamped on the top surface of the inner shoulder blade 53.

The limiting ribs 51 penetrate through the guide holes 11 and then extend into the inner cavity of the bottle locking cap 1, the limiting ribs 51 are used for blocking and matching the bottom of the peripheral wall of the head cap 3, and a plurality of abdicating grooves 31 used for being matched with the limiting ribs 51 are formed in the peripheral wall of the head cap 3; the locking of the headgear 3 is realized when the rotating ring 5 rotates to the state that the limiting ribs 51 are abutted against the bottom of the peripheral wall of the headgear 3, and the limiting ribs 51 can be inserted into the abdicating grooves 31 to release the locking of the headgear 3 when the rotating ring 5 rotates to the state that the limiting ribs 51 are aligned with the abdicating grooves 32 on the headgear 3.

The inner peripheral wall of the rotating ring 5 is provided with two positioning grooves 52 which are arranged at intervals along the circumference, the outer peripheral wall of the bottle locking cover 1 is provided with a raised positioning rib 12, the rotating ring 5 is rotated, the positioning rib 12 can be separated from the positioning grooves 52, when the rotating ring 5 rotates to a position state for locking the head cap 3, the positioning rib 12 is clamped in one positioning groove 52, and the limiting rib 51 is contacted with one side wall of the guide hole 11; when the rotating ring 5 rotates reversely to the position state of releasing the locking of the head cap 3, the positioning rib 12 is clamped into the other positioning groove 52, and the limiting rib 51 is contacted with the other side wall of the guide hole 11.

The inner peripheral surface of the peripheral wall of the head cap 3 is provided with a plurality of thickened ribs 32 which are matched with the limiting ribs 51 in a one-to-one correspondence manner, the thickened ribs 32 and the wall thickness of the peripheral wall of the head cap 3 jointly form a limiting surface S which is used for being in contact with the top surfaces of the limiting ribs 51, and when the rotating ring 5 rotates to a position state for locking the head cap 3, the top surfaces of the limiting ribs 51 are in contact with the limiting surface S.

The bottom of the inner peripheral wall of the locking bottle cap 1 is provided with rotation stopping bosses 14 which are arranged at left and right intervals. The rotation stopping boss 14 is used for being matched with a rib position on the bottle body, so that after the locking bottle cap 1 is screwed on the bottle, the locking bottle cap 1 cannot be loosened when the rotating ring 5 is rotated, and the limiting effect is achieved.

A one-way valve plate 7 is inserted into a liquid outlet channel 6 of the nozzle 4, when the head cap 3 is pressed down, the one-way valve plate 7 deforms under the action of liquid impact force in the nozzle 4 to open the liquid outlet channel 6, and when the head cap 3 is not pressed down, the one-way valve plate 7 blocks the liquid outlet channel 6 of the nozzle 4 under the action of self deformation and external air pressure. The check valve plate 7 comprises a plug handle 71 and a plug disc 72 arranged at the top end of the plug handle 71, the plug handle 71 is plugged and positioned in the liquid outlet channel 6 of the nozzle, and the plug disc 72 exposes the outer end surface of the nozzle 4 and covers the outlet of the liquid outlet channel 6 of the nozzle. The outside cover of nozzle 4 is equipped with dustcoat 8, and dustcoat 8 and nozzle 4 relatively fixed are equipped with liquid outlet 81 on the top surface of 8 holes of dustcoat, and the top surface of 8 holes of dustcoat is used for spacing before going on to cock disc 72.

When the pump body assembly 2 is used, the rotating ring 5 is rotated, when the limiting ribs 51 on the rotating ring 5 are aligned with the abdicating grooves 31 on the head cap 3, the limiting ribs 51 can be inserted into the abdicating grooves 31, at the moment, the head cap 3 can be normally pressed down, and the pump body assembly 2 can be normally used. During the auto-lock, then the antiport is revolved circle 5, lets spacing rib 51 on the circle 5 of revolving misplace with the groove 31 of stepping down on the headgear 3 for spacing rib 31 keeps off the spacing face S of the perisporium bottom of headgear 3 and joins in marriage, and headgear 3 is blockked this moment, can't press, and pump body subassembly 2 can't use. Effectively preventing the head cap 3 from being operated by mistake to cause the liquid to be exposed under the condition that the use is not needed.

Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking spray head for an emulsion pump comprises a lock bottle cap (1) and a head cap (3) arranged on a pump body assembly (2), wherein the head cap (3) is positioned in an inner cavity of the lock bottle cap (1) and can slide up and down relative to the lock bottle cap (1), and a spray nozzle (4) for spraying emulsion is arranged on the head cap (3); the method is characterized in that: the outer portion of the lock bottle cap (1) is further sleeved with a rotating ring (5) which can rotate around the axis of the lock bottle cap (1) relative to the lock bottle cap (1), a plurality of limiting ribs (51) are arranged in the rotating ring (5), a guide hole (11) for the limiting ribs (51) to pass through is formed in the lock bottle cap (1), the limiting ribs (51) penetrate through the guide hole (11) and then extend into an inner cavity of the lock bottle cap (1), the limiting ribs (51) are used for blocking and matching the bottom of the peripheral wall of the head cap (3), and a plurality of abdicating grooves (31) used for being matched with the limiting ribs (51) are further formed in the peripheral wall of the head cap (3); the locking of the head cap (3) is realized when the rotary ring (5) rotates to the state that the limiting ribs (51) are abutted against the bottom of the peripheral wall of the head cap (3), and the limiting ribs (51) can be inserted into the abdicating grooves (31) to release the locking of the head cap (3) when the rotary ring (5) rotates to the state that the limiting ribs (51) are aligned with the abdicating grooves (31) on the head cap (3);

the guide hole (11) is provided with a plurality of guide holes (11) and limiting ribs (51) in one-to-one correspondence, the rotary ring (5) rotates to the position state locking the head cap (3), the limiting ribs (51) are in contact with one side wall of the guide hole (11), the rotary ring (5) rotates reversely to the position state unlocking the head cap (3), and the limiting ribs (51) are in contact with the other side wall of the guide hole (11).

2. The self-locking sprayer for the emulsion pump as recited in claim 1, wherein: it has two constant head tanks (52) that set up along the circumference interval to open on the internal perisporium of rotatory circle (5), have bellied location muscle (12) on the periphery wall of lock bottle lid (1), rotate rotatory circle (5), location muscle (12) can break away from constant head tank (52), rotate to the position state with head cap (3) locking in rotatory circle (5), and location muscle (12) card is gone into in one of them constant head tank (52), and in rotatory circle (5) antiport to the position state of removing head cap (3) locking, another constant head tank (52) are gone into to location muscle (12) card.

3. The self-locking sprayer for the emulsion pump as recited in claim 2, wherein: the inner peripheral surface of the peripheral wall of the head cap (3) is provided with a plurality of thickening ribs (32) which are matched with the limiting ribs (51) in a one-to-one correspondence mode, the thickening ribs (32) and the wall thickness of the peripheral wall of the head cap (3) jointly form a limiting surface (S) which is used for being in contact with the top surface of the limiting ribs (51), the rotating ring (5) rotates to the position state of locking the head cap (3), and the top surface of the limiting ribs (51) is in contact with the limiting surface (S).

4. The self-locking sprayer for the emulsion pump as recited in claim 1, wherein: the middle part of the peripheral wall of lock bottle lid (1) is formed with annular fender shoulder (13), be equipped with on the internal perisporium of rotatory circle (5) keep off shoulder (13) complex interior shoulder blade (53) with the annular, on interior shoulder blade (53) was located in spacing rib (51), pilot hole (11) were located the annular and are kept off on shoulder (13), the middle part of spacing rib (51) is equipped with protruding muscle portion (511), and protruding muscle portion (511) card is at the top surface of interior shoulder blade (53).

5. The self-locking spray head for the emulsion pump of claim 1, wherein: the bottom of the inner peripheral wall of the locking bottle cap (1) is provided with rotation stopping bosses (14) which are arranged at left and right intervals.

6. The self-locking sprayer for the emulsion pump as recited in claim 1, wherein: one-way valve plates (7) are inserted into the liquid outlet channels (6) of the nozzles (4), the one-way valve plates (7) deform under the action of liquid impact force in the nozzles (4) to open the liquid outlet channels (6) when the head caps (3) are pressed down, and the one-way valve plates (7) block the liquid outlet channels (6) of the nozzles (4) under the action of external air pressure when the head caps (3) are not pressed down.

7. The self-locking sprayer for the emulsion pump as recited in claim 6, wherein: the check valve plate (7) comprises a plug handle (71) and a plug disc (72) arranged at the top end of the plug handle (71), the plug handle (71) is plugged into and positioned in the liquid outlet channel (6) of the nozzle, and the plug disc (72) exposes out of the outer end face of the nozzle (4) and covers the outlet of the liquid outlet channel (6) of the nozzle.

8. The self-locking sprayer for the emulsion pump as recited in claim 7, wherein: the outside cover of nozzle (4) is equipped with dustcoat (8), and dustcoat (8) and nozzle (4) relatively fixed are equipped with liquid outlet (81) on the top surface of dustcoat (8) hole, and the top surface of dustcoat (8) hole is used for spacing to closing disc (72).