CN217779575U - Full-plastic spray head - Google Patents
Full-plastic spray head Download PDFInfo
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- CN217779575U CN217779575U CN202221885004.9U CN202221885004U CN217779575U CN 217779575 U CN217779575 U CN 217779575U CN 202221885004 U CN202221885004 U CN 202221885004U CN 217779575 U CN217779575 U CN 217779575U
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- piston
- piston rod
- pump body
- elastic ball
- wall
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Abstract
The utility model provides a plastic atomising head, which comprises a pump body, pump cover and head cap, pump cover middle part inside extension is equipped with a ring shape step, the terminal surface offsets under pump body upper end and the ring shape step, it is fixed with the pump cover tight fit, the head cap lower extreme sets up in the pump cover, set up the piston rod in the pump body, the centre bore that the ring shape step of pump cover was passed to piston rod upper end links to each other with the head cap lower extreme, the piston rod lower extreme is connected with the jam, piston movably cover is put outside the piston rod, the piston outer wall is hugged closely with pump body inner wall, piston inner wall upper portion and the sealed sliding fit of piston rod lower extreme, the step sliding fit at piston inner wall lower part and jam middle part, in the pump body, it has an elastic ball to block the lower extreme support, make the jam have the trend that promotes the piston rod upward movement all the time. The utility model discloses compact rational in infrastructure, sealing performance is good, uses a period after, and the elasticity of elastic ball can not be made all the time and change, long service life, and convenient assembling is swift, has stronger practicality.
Description
Technical Field
The utility model relates to an atomising head specifically is a plastic atomising head.
Background
A spray bottle is a device for converting a liquid into a mist, and is widely used in a container for cleaning liquids, cosmetics, and the like, and sprays the cleaning liquids or cosmetics from a nozzle. Most of traditional cosmetics are loaded in a pump-suction type container, can be used for loading cosmetics in different states such as liquid, powder and paste, and are widely applied.
The conventional spray bottle includes a bottle body and a spray head, and when the spray bottle is used, liquid in the bottle is often sprayed out from a nozzle through a head cap. The all-plastic spray structurally and completely uses plastic materials, the internal spring is a plastic spring, and after the all-plastic spray is used for a period of time, the elasticity of the plastic spring can be changed, so that the normal use of a product is influenced.
In order to improve the service life of the all-plastic spray head, the existing structure needs to be improved, and a new all-plastic spray head needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to foretell technical situation and provide a plastic atomising head rational in infrastructure, long service life, it can avoid using plastic spring or metal spring.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an all-plastic atomising head, includes the pump body, pump cover and head cap, and the lower extreme of the pump body is connected with the straw, and the front end of head cap is equipped with nozzle, its characterized in that: the middle part of the pump cover extends inwards to form a circular ring-shaped step, the upper end of the pump body abuts against the lower end face of the circular ring-shaped step and is tightly matched and fixed with the pump cover, the lower end of the head cap is arranged in the pump cover, a piston rod is arranged in the pump body, the upper end of the piston rod penetrates through a center hole of the circular ring-shaped step of the pump cover and is connected with the lower end of the head cap, the lower end of the piston rod is connected with a stopper, the piston is movably sleeved outside the piston rod, the outer wall of the piston is tightly attached to the inner wall of the pump body, the upper portion of the inner wall of the piston is in sealed sliding fit with the lower end of the piston rod, the lower portion of the inner wall of the piston is in sliding fit with the step in the middle of the stopper, and an elastic ball is supported at the lower end of the stopper, so that the stopper has the tendency of always pushing the piston rod to move upwards.
As an improvement, a valve core is arranged at the lower part in the pump body, the valve core is matched with an inlet of the pump body to form a one-way valve, an elastic ball seat is arranged in the pump body and above the valve core, a sealing ring which is abutted against the upper end of the valve core to close the one-way valve is formed at the lower end of the elastic ball seat, and the elastic ball is arranged on the elastic ball seat and is abutted against the lower end of the stopper.
Further, the case is in sealing fit with the inlet inclined plane of the lower end of the inner wall of the pump body, the upper section of the elastic ball seat is in a V shape, the elastic ball is arranged on the inner side of the upper end of the elastic ball seat and is in sealing fit with the inclined plane of the elastic ball seat, when the head cap is pressed down, the elastic ball is downwards embedded into the inclined plane groove of the elastic ball seat, and when hands are loosened, the elastic ball seat resets the elastic ball by utilizing the inclined plane springback.
And furthermore, the lower end of the piston rod is provided with a diameter-reducing straight surface, the upper part of the inner wall of the piston is sleeved outside the straight surface of the lower end of the piston rod, the blocking section is in a cross shape, the upper end of the blocking is inserted into the inner hole of the piston rod, the middle part of the blocking is convexly provided with a step surface which is abutted and sealed with the lower end of the piston, and the upper end of the step surface is provided with an inclined surface matched with the lower end of the piston.
And furthermore, an inclined step surface is arranged in the middle of the inner wall of the pump body, a spring seat is arranged outside the piston rod, the outer wall of the spring seat is an inclined surface corresponding to the step surface, the spring seat and the step surface in the middle of the inner wall of the pump body are sealed through the inclined surface, the upper end of the inner wall of the piston is a partial spherical surface to form an elastic mechanism, when a head cap is pressed, the partial spherical surface of the piston is bent, and when hands are loosened, the resilience force of the partial spherical surface of the piston is pushed back, so that the piston rod has a tendency of moving upwards all the time.
Further, the head cap is barrel-shaped, the lower end of the head cap is arranged in a circular concave cavity above the circular step of the pump cover, a cylinder is convexly arranged in the middle of the lower end of the head cap, the upper end of the piston rod is a reducing insertion section, the upper end of the piston rod is inserted into the cylinder and connected with the head cap, a discharge hole is formed in the front end of the head cap, the nozzle is installed at the position of the discharge hole, and the discharge hole is communicated with an inner hole of the cylinder.
Further, the upper end of the pump body is provided with a convex edge extending outwards, a corresponding annular groove for embedding the convex edge is formed in the inner wall of the pump cover, and an external thread connected with the bottle opening is formed in the outer side of the lower end of the pump cover.
Finally, the elastic ball adopts a hollow rubber ball to improve elasticity.
Compared with the prior art, the utility model has the advantages of: the upper end of the piston is designed into a partial spherical surface shape to replace the upper spring, the piston rod has the tendency of moving upwards all the time by the resilience of the partial spherical surface after being pressed downwards, the lower spring is changed into an elastic ball, and the inclined surface of the elastic ball seat and the elastic ball are used for achieving certain elasticity. The utility model discloses compact rational in infrastructure, sealing performance is good, uses a period after, and the elasticity of elastic ball can not be made all the time and change, long service life, and convenient assembling is swift, has stronger practicality.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic view of the piston rod assembled with the piston, the stopper and the resilient ball;
fig. 5 is a cross-sectional view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, an all-plastic atomizing spray head comprises a pump body 1, a pump cover 2, a head cap 3, a piston rod 4, a piston 5, a stopper 6 and an elastic ball 7, wherein the lower end of the pump body 1 is connected with a suction pipe, a circular ring-shaped step 21 extends inwards from the middle of the pump cover 2, the upper end of the pump body 1 abuts against the lower end surface of the circular ring-shaped step 21 and is tightly matched and fixed with the pump cover 2, the lower end of the head cap 3 is arranged in the pump cover 2, a nozzle 30 is arranged at the front end of the head cap 3, the piston rod 4 is arranged in the pump body 1, the upper end of the piston rod 4 penetrates through a central hole of the circular ring-shaped step 21 of the pump cover 2 and is connected with the lower end of the head cap 3, the lower end of the piston rod 4 is connected with the stopper 6, the piston 5 is movably sleeved outside the piston rod 4, the outer wall of the piston 5 is tightly attached to the inner wall of the pump body 1, the upper portion of the inner wall of the piston 5 is in sealed sliding fit with the lower end of the piston rod 4, the lower portion of the inner wall of the piston 5 is in sliding fit with the step in the middle of the stopper 6, the lower end of the piston rod is supported by the elastic ball 7 in the pump body 1, so that the stopper 6 can push the stopper 6 to make the stopper 6 have a tendency of upward movement.
The concrete structure is as follows: the upper end of the pump body 1 is provided with a convex edge extending outwards, a corresponding annular groove for embedding the convex edge is formed on the inner wall of the pump cover 2, the pump body 1 is embedded in the pump cover 2 through the convex edge and is fixed with the pump cover 2 in a tight fit mode, and the outer side of the lower end of the pump cover 2 is formed with an external thread connected with the bottle mouth. A valve core 9 is arranged at the lower part in the pump body 1, the valve core 9 is in sealing fit with an inlet inclined plane at the lower end of the inner wall of the pump body 1 to form a one-way valve, an elastic ball seat 70 is arranged in the pump body 1 and above the valve core 9, a sealing ring 702 which is abutted against the upper end of the valve core 9 to close the one-way valve is formed at the lower end of the elastic ball seat 70, and an elastic ball 7 is arranged on the elastic ball seat 70 and is abutted against the lower end of the stopper 6. The upper section of the elastic ball seat 70 is in a V shape, the elastic ball 7 is arranged at the inner side of the upper end of the elastic ball seat 70 and is in sealing fit with the inclined plane of the elastic ball seat 70, when the head cap 3 is pressed down, the elastic ball 7 is downwards embedded into the inclined plane groove 701 of the elastic ball seat 70, and when hands are loosened, the elastic ball seat 70 resets the elastic ball 7 by utilizing the inclined plane rebound.
The lower end of the piston rod 4 is provided with a reducing straight surface, the upper part of the inner wall of the piston 5 is sleeved outside the straight surface of the lower end of the piston rod 4, the cross section of the stopper 6 is cross-shaped, the upper end of the stopper 6 is inserted into the inner hole of the piston rod 4, the middle part of the stopper 6 is convexly provided with a step surface 61 which is propped against the lower end of the piston 5 for sealing, and the upper end of the step surface 61 is provided with an inclined surface matched with the lower end of the piston 5. The upper end of the inner wall of the piston 5 is a partial spherical surface 51 to form an elastic mechanism, and the elastic mechanism is in interference fit with an annular step surface formed by reducing the diameter of the lower end of the piston rod 4, when the head cap 3 is pressed, the partial spherical surface 51 of the piston 5 is bent, and when the hand is loosened, the resilience force of the partial spherical surface 51 of the piston 5 is pushed back, so that the piston rod 4 has a tendency of moving upwards all the time. The middle part of the inner wall of the pump body 1 is provided with an inclined step surface, the piston rod 4 is externally provided with a spring seat 8, the outer wall of the spring seat 8 is an inclined surface corresponding to the step surface, and the spring seat 8 and the step surface in the middle part of the inner wall of the pump body 1 are sealed through the inclined surface.
This embodiment recommends the use of hollow rubber ball as the elastic ball 7 to increase the resilience force.
The working principle is as follows: when the liquid storage device is used, the head cap 3 is pressed, the piston rod 4 overcomes the elasticity of the elastic ball 7 to drive the block 6 to move downwards, the air return hole 11 is formed in the outer portion of the pump body 1 due to the friction between the outer wall of the piston 5 and the inner wall of the pump body 1, air fully enters the air return hole to form explosive force, the discharge hole is opened, and liquid in the liquid storage cavity B is sprayed out from the head cap 3 through the discharge hole.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a plastic atomising head, includes the pump body, pump cover and head cap, and the lower extreme of the pump body is connected with the straw, and the front end of head cap is equipped with nozzle, its characterized in that: the middle part of the pump cover extends inwards to form a circular ring-shaped step, the upper end of the pump body abuts against the lower end face of the circular ring-shaped step and is tightly matched and fixed with the pump cover, the lower end of the head cap is arranged in the pump cover, a piston rod is arranged in the pump body, the upper end of the piston rod penetrates through a center hole of the circular ring-shaped step of the pump cover and is connected with the lower end of the head cap, the lower end of the piston rod is connected with a stopper, the piston is movably sleeved outside the piston rod, the outer wall of the piston is tightly attached to the inner wall of the pump body, the upper portion of the inner wall of the piston is in sealed sliding fit with the lower end of the piston rod, the lower portion of the inner wall of the piston is in sliding fit with the step in the middle of the stopper, and an elastic ball is supported at the lower end of the stopper, so that the stopper has the tendency of always pushing the piston rod to move upwards.
2. The all plastic spray head of claim 1, wherein: the pump body is internally provided with a valve core at the lower part, the valve core is matched with the inlet of the pump body to form a one-way valve, an elastic ball seat is arranged in the pump body and above the valve core, the lower end of the elastic ball seat is formed with a sealing ring which is propped against the upper end of the valve core to close the one-way valve, and the elastic ball is arranged on the elastic ball seat and propped against the blocked lower end.
3. The all plastic spray head of claim 2, further comprising: the valve core is in sealing fit with the inlet inclined plane at the lower end of the inner wall of the pump body, the upper section of the elastic ball seat is in a V shape, the elastic ball is arranged on the inner side of the upper end of the elastic ball seat and is in sealing fit with the inclined plane of the elastic ball seat, when the head cap is pressed down, the elastic ball is downwards embedded into the inclined plane groove of the elastic ball seat, and when hands are loosened, the elastic ball seat resets the elastic ball by utilizing the inclined plane springback.
4. An all plastic spray head according to claim 3, wherein: the lower end of the piston rod is provided with a reducing straight surface, the upper part of the inner wall of the piston is sleeved outside the lower straight surface of the piston rod, the blocking section is in a cross shape, the upper end of the blocking is inserted into the inner hole of the piston rod, the middle part of the blocking is convexly provided with a step surface which is abutted and sealed with the lower end of the piston, and the upper end of the step surface is provided with an inclined surface matched with the lower end of the piston.
5. The all plastic spray head of claim 4, wherein: the piston is characterized in that an inclined step surface is arranged in the middle of the inner wall of the pump body, a spring seat is arranged outside the piston rod, the outer wall of the spring seat is an inclined surface corresponding to the step surface, the spring seat is sealed with the step surface in the middle of the inner wall of the pump body through the inclined surface, a part of spherical surface is arranged at the upper end of the inner wall of the piston to form an elastic mechanism, when a head cap is pressed, the part of spherical surface of the piston is bent, and when hands are loosened, the resilience force of the part of spherical surface of the piston is pushed back, so that the piston rod has a trend of moving upwards all the time.
6. An all plastic spray head according to any one of claims 1 to 5, characterised in that: the head cap is the tube-shape, and the lower extreme setting of head cap is in the circular cavity of the ring shape step top of pump cover, and the protruding drum that is equipped with in lower extreme middle part of head cap, the upper end of piston rod are the grafting section of undergauge, and the upper end of piston rod is planted and is linked to each other with the head cap in the drum, and the discharge gate has been seted up to the front end of head cap, and the nozzle is installed in the discharge gate position, and the discharge gate link up with the hole of drum mutually.
7. The all plastic spray head of claim 6, further comprising: the upper end of the pump body is provided with a convex edge extending outwards, a corresponding annular groove for embedding the convex edge is formed on the inner wall of the pump cover, and an external thread connected with the bottle mouth is formed on the outer side of the lower end of the pump cover.
8. The all plastic spray head of claim 1, wherein: the elastic ball is a hollow rubber ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221885004.9U CN217779575U (en) | 2022-07-20 | 2022-07-20 | Full-plastic spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221885004.9U CN217779575U (en) | 2022-07-20 | 2022-07-20 | Full-plastic spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217779575U true CN217779575U (en) | 2022-11-11 |
Family
ID=83941128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221885004.9U Active CN217779575U (en) | 2022-07-20 | 2022-07-20 | Full-plastic spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217779575U (en) |
-
2022
- 2022-07-20 CN CN202221885004.9U patent/CN217779575U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |