CN215045238U

CN215045238U - Improved structure of spray head

Info

Publication number: CN215045238U
Application number: CN202121614650.7U
Authority: CN
Inventors: 桂仁东
Original assignee: Zhejiang Shengqi Industrial Co ltd
Current assignee: Zhejiang Shengqi Industrial Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-07
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to a shower nozzle improves structure, including the helicoidal, the pump body, the piston rod, press the head, the elastic component, a piston, the piston seat, the piston rod can pass the helicoidal with reciprocating and arrange, the lower extreme of piston rod stretches into in the pump body, the outer wall of piston is sealed with the inner wall contact of the pump body, open at the piston middle part has the drain passageway that is used for carrying liquid from bottom to top, the piston seat is connected between piston rod and piston, the upper end of piston seat stretch into the piston rod from bottom to top and form the drain clearance between the piston rod, the lower extreme that the lower extreme of piston seat passed drain passageway and drain passageway is spacing each other, a lower extreme for with the drain passageway is opened or is closed. The utility model discloses offer at the piston middle part and lead the liquid passageway, when the pump sending liquid, liquid is direct upwards to get into piston rod and output from the drain passageway at piston middle part, and need not to pass the minimum gap in piston edge as among the prior art to can pump sending the liquid that viscosity and concentration are big.

Description

Improved structure of spray head

Technical Field

The utility model relates to a pump head technical field is used to the cosmetics container, specifically indicates a shower nozzle improves structure.

Background

In the prior art, the emulsion pump is widely used for cosmetics and bath products, when the emulsion pump needs to be used, the needed emulsion can be taken out by pressing the press head, and the method is convenient and sanitary.

The applicant's prior application 201921206736.9 entitled "a thermoplastic spring and a pump core structure using the same" discloses a structure, the pump core structure includes a pump body, a blank cap, a piston rod, a piston seat, a piston, and a spring, the blank cap is disposed at the upper end of the pump body and is vertically through, the lower part of the piston rod is disposed in the blank cap in a way of moving up and down, the upper end of the piston seat is connected with the piston rod, the lower end is disposed below the piston rod and extends into the pump body, the piston is sleeved on the periphery of the piston seat, and the thermoplastic spring is sleeved on the periphery of the piston rod and keeps the piston rod always moving upward.

The structure is suitable for pumping liquid with low viscosity and concentration, and for liquid with high viscosity and concentration, such as toothpaste, the liquid is difficult to pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a shower nozzle that can carry out the pump sending to the great liquid of viscosity and concentration improves the structure.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a showerhead improvement structure comprising:

the helicoidal is communicated up and down and is used for being connected with the bottle body;

the pump body is restrained on the spiral ring, an upper port of the pump body is arranged corresponding to an opening on the spiral ring, and a liquid inlet is formed in the bottom of the pump body;

it is characterized by also comprising:

the piston rod can penetrate through the helicoid in a vertically moving mode, and the lower end of the piston rod extends into the pump body;

the pressing head is connected to the upper end of the piston rod and used for pressing the piston rod downwards, and the pressing head is provided with a channel for outputting liquid;

the elastic piece is arranged above the spiral ring and enables the press head and the piston rod to always keep the trend of moving upwards;

the piston can be arranged in the pump body in a vertically moving mode, the outer wall of the piston is in contact seal with the inner wall of the pump body, and the middle part of the piston is provided with a liquid guide channel for conveying liquid from bottom to top;

the piston seat is connected between the piston rod and the piston, the upper end of the piston seat extends into the piston rod from bottom to top and forms a liquid guide gap with the piston rod, and the lower end of the piston seat penetrates through the liquid guide channel and is mutually limited with the lower end of the liquid guide channel and used for opening or closing the lower end of the liquid guide channel.

Preferably, the lower end of the piston rod is provided with a first plug bush and a second plug bush which are sleeved inside and outside, the first plug bush is arranged corresponding to the inner cavity of the piston rod, and the piston is provided with a first sealing sleeve which can be sleeved on the periphery of the first plug bush and a second sealing sleeve which is sleeved on the periphery of the second plug bush. The structure is favorable for realizing good sealing between the piston rod and the piston, air leakage is avoided, and the pumping effect is improved.

Preferably, the inner wall of the piston rod is provided with a plurality of connecting arms extending along the radial direction, the inner ends of the connecting arms jointly enclose a limiting hole, and the piston seat is clamped in the limiting hole. This arrangement facilitates positioning of the piston seat in the piston rod and maintains a large pumping channel width.

Preferably, a third sealing sleeve which extends downwards corresponding to the liquid guide channel is arranged on the lower end face of the piston, the edge of the lower end of the piston seat extends outwards to form a sealing groove for inserting the lower end of the third sealing sleeve, and in a liquid supply state, the third sealing sleeve is separated from the sealing groove so as to communicate the liquid guide channel. The structure can seal the liquid guide channel in a non-pumping liquid state.

Preferably, the upper port of the pump body is provided with a blank cap, the blank cap is provided with a through hole for the piston rod to pass through, the upper ends of the first plug bush and the second plug bush are connected with each other to form an upper platform, and the upper platform is abutted to the inner bottom wall of the blank cap in the piston rod reset state. The structure is convenient for assembling the piston rod and improves the matching compactness of each structure after assembly.

As an alternative, the elastic piece is an all-plastic spring, the upper end of the all-plastic spring is abutted against the lower end of the press head, and the lower end of the all-plastic spring is abutted against the top of the spiral ring.

As another alternative, the elastic member is a metal linear spring, the upper end of the metal linear spring abuts against the lower end of the press head, and the lower end of the metal linear spring abuts against the top of the coil.

Preferably, the top of the spiral ring is provided with a first assembly sleeve extending upwards around the piston rod, correspondingly, the bottom of the press head is provided with a second assembly sleeve extending downwards and capable of being sleeved on the periphery of the first assembly sleeve, and the metal linear spring is hidden in the first assembly sleeve and the second assembly sleeve. Under the condition that the toilet is contacted with shower water from top to bottom, the structure can prevent water stains from entering the shower nozzle.

Compared with the prior art, the utility model has the advantages of: the utility model discloses offer the drain passageway at the piston middle part, with the direct restraint of piston seat upper end in the piston rod and leave the clearance that supplies liquid to pass through between the two, when the pump sending liquid, liquid is direct upwards gets into piston rod and output from the drain passageway at piston middle part, and need not to pass the minimum gap in piston edge as among the prior art to can pump sending viscosity and the big liquid of concentration.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a cross-sectional view of embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1:

as shown in fig. 1 and 2, the improved structure of the nozzle of this embodiment includes a coil 1, a pump body 2, a piston rod 3, a press head 4, an elastic element 5, a piston 6, and a piston seat 7.

The helicoidal ring 1 is communicated up and down and is used for being connected with the bottle body; the pump body 2 is restrained on the helicoidal ring 1, the upper port 21 of the pump body 2 is arranged corresponding to the opening on the helicoidal ring 1, the bottom of the pump body 2 is provided with a liquid inlet 22, the liquid inlet 22 is provided with a sealing valve plate 8, and when liquid is discharged, the liquid can extrude the sealing valve plate 8 to go upwards under the action of pressure.

The piston rod 3 is disposed through the coil 1 so as to be movable up and down, and the lower end of the piston rod 3 extends into the pump body 2. The push head 4 is connected to the upper end of the piston rod 3 for pushing the piston rod 3 downward, and the push head 4 has a passage 41 for liquid discharge. The elastic member 5 is disposed above the coil 1, and keeps the press head 4 and the piston rod 3 always moving upward.

The piston 6 is arranged in the pump body 2 in a way of moving up and down, the outer wall of the piston 6 is in contact seal with the inner wall of the pump body 2, and the middle part of the piston 6 is provided with a liquid guide channel 60 for conveying liquid from bottom to top. The piston seat 7 is connected between the piston rod 3 and the piston 6, the upper end of the piston seat 7 extends into the piston rod 3 from bottom to top and forms a liquid guiding gap 30 with the piston rod 3, and the lower end of the piston seat 7 penetrates through the liquid guiding channel 60 and is limited with the lower end of the liquid guiding channel 60, so that the lower end of the liquid guiding channel 60 is opened or closed.

In the present embodiment, the lower end of the piston rod 3 has a first plug sleeve 31 and a second plug sleeve 32 which are sleeved inside and outside, the first plug sleeve 31 is arranged corresponding to the inner cavity of the piston rod 3, and the piston 6 has a first sealing sleeve 61 which can be sleeved on the outer periphery of the first plug sleeve 31 and a second sealing sleeve 62 which is sleeved on the outer periphery of the second plug sleeve 32. The structure is favorable for realizing good sealing between the piston rod 3 and the piston 6, air leakage is avoided, and the pumping effect is improved.

The inner wall of the piston rod 3 is provided with a plurality of connecting arms 33 extending along the radial direction, the inner ends of the connecting arms 33 jointly enclose a limiting hole 34, and the piston seat 7 is clamped in the limiting hole 34. This construction facilitates the positioning of the piston seat 7 in the piston rod 3 and maintains a large pumping channel width.

The lower end face of the piston 6 is provided with a third sealing sleeve 63 which extends downwards corresponding to the liquid guide channel 60, the edge of the lower end of the piston seat 7 extends outwards to form a sealing groove 71 for inserting the lower end of the third sealing sleeve 63, in the liquid supply state, the third sealing sleeve 63 is separated from the sealing groove 71 to communicate the liquid guide channel 60, and in the non-pumping liquid state, the third sealing sleeve 63 and the sealing groove 71 are mutually inserted and matched to seal the liquid guide channel 60.

The upper port 21 of the pump body 2 is provided with a blank cap 9, the blank cap 9 is provided with a through hole 91 for the piston rod 3 to pass through, the upper ends of the first plug bush 31 and the second plug bush 32 are connected with each other to form an upper platform 35, and in the reset state of the piston rod 3, the upper platform 35 is abutted against the inner bottom wall of the blank cap 9. This structure is convenient for assemble piston rod 3 to improve the cooperation compactness of each structure after the assembly.

In the present embodiment, the elastic member 5 is an all-plastic spring, an upper end of the all-plastic spring abuts against a lower end of the push head 4, and a lower end of the all-plastic spring abuts against a top of the coil 1.

When pumping liquid, the liquid directly enters the piston rod 3 from the liquid guide channel 60 in the middle of the piston 6 and is output without passing through a tiny gap on the edge of the piston as in the prior art, so that the liquid with high viscosity and concentration can be pumped.

Example 2:

this example differs from example 1 only in that: the elastic member of this embodiment is different in structure from the elastic member of the embodiment.

As shown in fig. 3, the elastic member 5 ' of the present embodiment is a metal linear spring, an upper end of the metal linear spring abuts against a lower end of the button 4 ', and a lower end of the metal linear spring abuts against a top of the coil 1 '.

The top of the spiral ring 1 'is provided with a first assembly sleeve 11' extending upwards around the piston rod 3 ', correspondingly, the bottom of the press head 4' is provided with a second assembly sleeve 41 'extending downwards and capable of being sleeved on the periphery of the first assembly sleeve 11', and the metal linear spring is hidden in the first assembly sleeve 11 'and the second assembly sleeve 41'. Under the condition that the toilet is contacted with shower water from top to bottom, the structure can prevent water stains from entering the shower nozzle.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A showerhead improvement structure comprising:

it is characterized by also comprising:

2. The improved structure of the spray head of claim 1, wherein: the lower end of the piston rod is provided with a first plug bush and a second plug bush which are sleeved inside and outside, the first plug bush is arranged corresponding to the inner cavity of the piston rod, and the piston is provided with a first sealing sleeve and a second sealing sleeve, wherein the first sealing sleeve and the second sealing sleeve can be sleeved on the periphery of the first plug bush, and the second sealing sleeve is sleeved on the periphery of the second plug bush.

3. The improved structure of the spray head of claim 2, wherein: the inner wall of the piston rod is provided with a plurality of connecting arms extending along the radial direction, the inner ends of the connecting arms jointly enclose a limiting hole, and the piston seat is clamped in the limiting hole.

4. The improved structure of the spray head of claim 2, wherein: the lower end face of the piston is provided with a third sealing sleeve extending downwards corresponding to the liquid guide channel, the edge of the lower end of the piston seat extends outwards to form a sealing groove for inserting the lower end of the third sealing sleeve into the sealing groove, and the third sealing sleeve is separated from the sealing groove in a liquid supply state so as to communicate the liquid guide channel.

5. The improved structure of the spray head of claim 2, wherein: the upper port department of the pump body is provided with the blank cap, and this blank cap is last to be opened has the through-hole that supplies the piston rod to pass, the upper end interconnect of first plug bush and second plug bush forms the upper mounting plate, under the piston rod reset state, the inner bottom wall of upper mounting plate and blank cap is supported.

6. The improved structure of the nozzle as claimed in any one of claims 1 to 5, wherein: the elastic piece is an all-plastic spring, the upper end of the all-plastic spring is abutted against the lower end of the press head, and the lower end of the all-plastic spring is abutted against the top of the spiral ring.

7. The improved structure of the nozzle as claimed in any one of claims 1 to 5, wherein: the elastic piece is a metal linear spring, the upper end of the metal linear spring is abutted against the lower end of the press head, and the lower end of the metal linear spring is abutted against the top of the spiral ring.

8. The improved structure of the spray head of claim 7, wherein: the top of the helicoidal ring is provided with a first assembling sleeve extending upwards around the piston rod, correspondingly, the bottom of the press head is provided with a second assembling sleeve extending downwards and capable of being sleeved on the periphery of the first assembling sleeve, and the metal linear spring is hidden in the first assembling sleeve and the second assembling sleeve.