CN211767503U

CN211767503U - High leakproofness atomizer

Info

Publication number: CN211767503U
Application number: CN201922357599.5U
Authority: CN
Inventors: 劳震烁; 韩斌; 倪达; 安静波
Original assignee: Yuyao Hongda Sprayer Co ltd
Current assignee: Yuyao Hongda Sprayer Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-27
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a high leakproofness atomizer belongs to atomizer technical field. The main technical scheme includes that the pump rod comprises a shell, a pressing head and a pump rod, the pump rod is arranged in the shell in a penetrating mode, a mounting groove is formed in the pressing head, one end of the pump rod is embedded into the mounting groove, a sealing assembly is arranged between the pressing head and the pump rod and comprises a sealing ring, and the sealing ring is arranged between the bottom of the mounting groove and the end portion of the pump rod. When the pump rod is connected with the press head, the sealing ring is positioned between the bottom of the mounting groove and the pump rod, so that the sealing property between the pump rod and the press head is improved, and liquid is prevented from leaking out from a gap between the pump rod and the press head.

Description

High leakproofness atomizer

Technical Field

The utility model relates to a atomizer technical field, in particular to high leakproofness atomizer.

Background

An atomizer is an apparatus which utilizes the suction effect to change liquid medicine or other liquid into fog and evenly spray the fog to other objects. The bernoulli of the sprayer is in the same fluid, the flow rate is large, and the pressure is strong; the flow rate is small and the pressure is strong; the fluid flows from high pressure to low pressure automatically, the low-speed flowing water flows to the high-speed flowing air, the water is torn into small drops by the high-speed air, and the small drops are sprayed out to form mist.

At present, emulsion pumps and spray pumps are widely applied to industries such as daily necessities and medicines, but springs of the existing emulsion pumps and spray pumps are arranged in pump chambers, and the springs are contacted with liquid in the pump chambers for a long time, so that pollution is easily caused, and the product quality is influenced.

Chinese utility model with grant bulletin No. CN201942101U discloses a pump rod structure that can be used as lotion pump or spray pump, including lotion button or spray button, pump chamber, upper pump rod, spring, lock bottle lid, upper cover and straw, be equipped with the pump pearl in the pump chamber, be equipped with the passageway in the upper pump rod, its characterized in that emulsion button or spray button optionally one of which sets up the upper end at upper pump rod, just the spring housing is isolated with the pump chamber is inside in the outside of upper pump rod, just the upper end of spring props the bottom at lotion button or spray button, and its lower extreme is injectd in the upper port of lock bottle lid.

The technical scheme has the following defects: there is not seal structure between pump rod and the cylinder, and when the pump rod removed, the liquid in the pump chamber flowed out in the space between pump rod and the cylinder easily, made the spring be infected with liquid, long this can make the spring rust in the past, reduced the life of spring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high leakproofness atomizer improves the leakproofness of pump rod and press head.

The utility model aims at realizing through the following technical scheme:

the utility model provides a high leakproofness atomizer, includes casing, press head and pump rod, the pump rod is worn to locate in the casing, the mounting groove has been seted up to the press head, the wherein one end embedding of pump rod in the mounting groove, the press head with be equipped with seal assembly between the pump rod, seal assembly includes the sealing washer, the sealing washer is located the mounting groove tank bottom with between the pump rod tip.

Through adopting above-mentioned technical scheme, when the pump pole is connected with the press head, the sealing washer is located between mounting groove tank bottom and the pump pole, improves the leakproofness between pump pole and the press head, prevents that liquid from leaking in the space between pump pole and the press head.

The utility model discloses further set up to: the sealing assembly further comprises a sealing strip, the pump rod is embedded into the outer peripheral face of the mounting groove, and the sealing strip is embedded into the sealing groove.

Through adopting above-mentioned technical scheme, after pump pole embedding mounting groove, the sealing strip is located between pump pole outer peripheral face and the mounting groove cell wall, further improves the leakproofness between pump pole and the press head, prevents that liquid from leaking in the space between pump pole and the press head.

The utility model discloses further set up to: the seal groove is spirally arranged.

Through adopting above-mentioned technical scheme, the seal groove is the heliciform, and the sealing strip in the seal groove also is the heliciform to increase the length of sealing strip, improve the seal area of sealing strip, further improve the leakproofness between pump rod and the press head.

The utility model discloses further set up to: the sprayer further comprises a return spring, the return spring is sleeved outside the pump rod, an annular limiting bulge is formed in the outer peripheral surface of the pump rod, one end of the return spring is abutted to the pressing head, and the other end of the return spring is abutted to the annular limiting bulge.

Through adopting above-mentioned technical scheme, the answer spring is compression spring, presses down the back when the press head, and the answer spring is compressed, and the answer spring after the compression has elasticity, and after no effort was used for pressing the head, the elasticity of answer spring acted on the press head, made the press head resume to original state.

The utility model discloses further set up to: the atomizer still includes the spacing pipe of spring, the spacing pipe box of spring is located outside the answer spring, the inside wall that is close to the answer spring of the spacing pipe of spring is equipped with annular butt arch, the spacing pipe of spring is kept away from the bellied one end of annular butt with press head looks butt, the protruding side that deviates from of annular butt answer spring with the spacing protruding looks butt of annular.

By adopting the technical scheme, the spring limiting pipe sleeved outside the return spring can protect the return spring and prevent the return spring from being damaged; meanwhile, the spring limiting pipe can prevent the return spring from moving radially to the return spring, the return spring is prevented from being damaged, and the service life of the return spring is prolonged.

The utility model discloses further set up to: annular joint is protruding seted up to the casing inside wall, the spacing outside of tubes lateral wall of spring is equipped with the confession annular joint recess of the protruding embedding of annular joint.

Through adopting above-mentioned technical scheme, when the spacing pipe embedding casing of spring during, the protruding embedding annular joint recess of annular joint makes the spacing pipe of spring internal fixation in the casing, prevents that the press head is not hard up.

The utility model discloses further set up to: the sprayer further comprises a sealing seat, the sealing seat is sleeved outside the pump rod, an annular sealing bulge is arranged at one end, deviating from the pressing head, of the pump rod, and an annular sealing block is arranged on the sealing seat and abutted to the annular sealing bulge.

By adopting the technical scheme, the annular sealing block of the sealing seat is abutted to the annular sealing bulge of the pump rod, a sealing surface is formed between the annular sealing block and the annular sealing bulge, the sealing performance of the sprayer is kept, and liquid leakage is prevented.

The utility model discloses further set up to: the outer peripheral surface of the annular sealing bulge is a first inclined surface, and the annular sealing block is provided with a second inclined surface which is abutted to the first inclined surface.

Through adopting above-mentioned technical scheme, first inclined plane all the time with second inclined plane looks butt, first inclined plane and second inclined plane form sealed face, improve the leakproofness between seal receptacle and the pump rod, prevent that liquid from leaking.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the pump rod is connected with the pressing head, the sealing ring is positioned between the bottom of the mounting groove and the pump rod, so that the sealing property between the pump rod and the pressing head is improved, and liquid is prevented from leaking out from a gap between the pump rod and the pressing head;

2. in the utility model, the annular sealing block of the sealing seat is abutted with the annular sealing bulge of the pump rod, so that the sealing property between the sealing seat and the pump rod is improved;

3. the utility model discloses, the second inclined plane of the sealed piece of annular and the sealed bellied first inclined plane looks butt of annular improve the leakproofness between seal receptacle and the pump rod.

Drawings

FIG. 1 is a schematic view of the overall structure of the atomizer according to the embodiment;

FIG. 2 is a sectional view of the atomizer in the embodiment;

FIG. 3 is a sectional view of the pressing head in the embodiment;

FIG. 4 is an enlarged view of A in FIG. 2;

fig. 5 is an enlarged view of B in fig. 2.

In the figure, 1, a pressing head; 11. a discharge port; 12. a feed inlet; 13. mounting grooves; 14. a spring slot; 15. a flow channel; 16. a yielding groove; 2. a housing; 21. an annular clamping bulge; 22. a pump chamber; 3. a straw; 4. a pump rod; 41. a sealing groove; 42. an annular limiting bulge; 43. an annular sealing protrusion; 431. a first inclined surface; 44. a channel; 45. a guide slope; 5. a return spring; 6. a spring limit tube; 61. an annular abutment projection; 62. an annular embedding block; 63. an annular clamping groove; 7. a sealing seat; 71. an annular seal block; 711. a second inclined surface; 72. an annular embedding groove; 8. a pump bead; 9. a seal assembly; 91. a seal ring; 92. a sealing strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the high-sealability sprayer comprises a pressing head 1, a housing 2, a pump rod 4, a return spring 5, a spring limiting tube 6, a sealing seat 7 and a suction tube 3. Casing 2 is cylindric, and pump rod 4, answer spring 5, spring spacing pipe 6 and seal receptacle 7 all locate in casing 2, and press head 1 and straw 3 are connected with the both ends of casing 2 respectively.

Referring to fig. 2 and 3, the pressing head 1 is L-shaped, the pressing head 1 is provided with a discharge port 11 and a feed port 12, a flow channel 15 for liquid to flow is provided between the discharge port 11 and the feed port 12, and the portion of the pressing head 1 with the feed port 12 is inserted into the housing 2.

The part of the pressing head 1 inserted into the housing 2 is provided with a mounting groove 13 communicated with the flow channel 15, the mounting groove 13 is cylindrical, the pump rod 4 is also cylindrical, one end of the pump rod 4 is embedded into the mounting groove 13, the pump rod 4 is provided with a channel 44 communicated with two end faces of the pump rod 4, and the channel 44 of the pump rod 4 is communicated with the flow channel 15 of the pressing head 1.

Referring to fig. 4, a sealing assembly 9 is arranged between the pressing head 1 and the pump rod 4, the sealing assembly 9 includes a sealing ring 91 and a sealing strip 92, and the sealing ring 91 and the sealing strip 92 are made of rubber. The sealing ring 91 is annular, and the sealing ring 91 is arranged between the bottom of the mounting groove 13 and the end part of the pump rod 4.

The outer peripheral surface that pump pole 4 inlayed mounting groove 13 has seted up seal groove 41, and the seal groove 41 tank bottom is the arc, and seal groove 41 is the heliciform setting, and sealing strip 92 inlays in seal groove 41.

Referring to fig. 2 and 3, the return spring 5 is sleeved outside the pump rod 4, the return spring 5 is a compression spring, the pressing head 1 is provided with a spring groove 14, the spring groove 14 is cylindrical, the spring groove 14 and the mounting groove 13 are coaxially arranged, and one end of the return spring 5 is embedded in the spring groove 14.

The pressing head 1 is provided with a yielding groove 16 for embedding the spring limiting pipe 6, the yielding groove 16 is annular, and the diameter of the inner ring of the yielding groove 16 is larger than that of the spring groove 14.

Referring to fig. 2 and 5, the spring limiting tube 6 is cylindrical, and the spring limiting tube 6 is sleeved outside the return spring 5. The spring limiting pipe 6 corresponds to the abdicating groove 16, so that the spring limiting pipe 6 can enter the abdicating groove 16. Annular limiting protrusion 42 is arranged on the outer peripheral face of one end, deviating from pressing head 1, of pump rod 4, annular abutting protrusion 61 is arranged on the inner side wall, close to return spring 5, of spring limiting pipe 6, and the side face, deviating from pressing head 1, of annular abutting protrusion 61 is abutted against annular limiting protrusion 42. The side surface of the annular abutting protrusion 61 departing from the annular limiting protrusion 42 abuts against one side of the return spring 5 departing from the pressing head 1.

The protruding annular joint arch 21 that is equipped with of casing 2 inside wall, the protruding 21 side that deviates from casing 2 of annular joint is the cambered surface, and 6 lateral walls of the spacing pipe of spring are equipped with the annular joint recess 63 that supplies the protruding 21 embedding of annular joint.

Outside pump rod 4 was located to the seal receptacle 7 cover, annular inlay groove 72 had been seted up to the side that seal receptacle 7 is close to press head 1, and the tip that the spacing pipe 6 of spring deviates from press head 1 is equipped with annular inlay dress piece 62, and annular inlay dress piece 62 imbeds in the annular inlay dress groove 72.

The outer peripheral surface of the pump rod 4 is provided with an annular sealing bulge 43, the outer peripheral surface of the annular sealing bulge 43 is a first inclined surface 431, the first inclined surface 431 is obliquely arranged outwards from one end close to the pressing head 1 to one end far away from the pressing head 1, the sealing seat 7 is provided with an annular sealing block 71, and the annular sealing block 71 is provided with a second inclined surface 711 which is abutted against the first inclined surface 431. The second inclined surface 711 of the annular seal block 71 and the first inclined surface 431 of the seal holder 7 are constantly in contact with each other to form a seal by being pressed by the spring stopper tube 6, thereby preventing liquid leakage.

The side of the annular sealing bead 43 facing away from the sealing seat 7 is provided with a conical guide ramp 45, the guide ramp 45 being connected to the first ramp 431.

The suction tube 3 is inserted into one end of the shell 2 departing from the pressing head 1, one end of the shell 2 departing from the pressing head 1 shrinks towards the suction tube 3, and the shell 2, the sealing seat 7 and the suction tube 3 form a pump cavity 22.

The pump chamber 22 is internally provided with a pump bead 8, the pump bead 8 is made of glass, and the pump bead 8 is arranged at the position of the pump chamber 22 close to the suction pipe 3.

The working principle of the embodiment is as follows: when the pressing head 1 is extruded, the pressing head 1 drives the pump rod 4 to move downwards, the spring limiting tube 6 is fixed, the spring limiting tube 6 enters the abdicating groove 16 of the pressing head 1, the sealing seat 7 and the pump rod 4 are kept standing, the sealing seat 7 moves together under the drive of the pump rod 4, the pump cavity 22 is extruded, the pressure of the pump cavity 22 is too small, the pressing head 1 is not extruded any more, the pressing head 1 recovers under the action of the return spring 5, the air pressure enters the pump cavity 22 from the suction pipe 3, the pump bead 8 is jacked up, the liquid enters the pump cavity 22, the pressing head 1 is extruded repeatedly, and the liquid comes out from the discharge hole 11 of the pressing head 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high leakproofness atomizer, includes casing (2), press head (1) and pump rod (4), pump rod (4) wear to locate in casing (2), its characterized in that, mounting groove (13) have been seted up to press head (1), wherein one end embedding of pump rod (4) in mounting groove (13), press head (1) with be equipped with seal assembly (9) between pump rod (4), seal assembly (9) are including sealing washer (91), sealing washer (91) are located mounting groove (13) tank bottom with between the pump rod (4) tip.

2. The sprayer with high sealing performance according to claim 1, wherein the sealing assembly (9) further comprises a sealing strip (92), a sealing groove (41) is formed in the outer peripheral surface of the pump rod (4) embedded in the mounting groove (13), and the sealing strip (92) is embedded in the sealing groove (41).

3. The sprayer according to claim 2, characterized in that said sealing groove (41) is provided in a spiral shape.

4. The sprayer with high sealing performance according to claim 1, further comprising a return spring (5), wherein the return spring (5) is sleeved outside the pump rod (4), an annular limiting protrusion (42) is formed on the outer circumferential surface of the pump rod (4), one end of the return spring (5) abuts against the pressing head (1), and the other end of the return spring abuts against the annular limiting protrusion (42).

5. The sprayer with high sealing performance according to claim 4, wherein the sprayer further comprises a spring limiting pipe (6), the spring limiting pipe (6) is sleeved outside the return spring (5), an annular abutting protrusion (61) is arranged on the inner side wall, close to the return spring (5), of the spring limiting pipe (6), one end, away from the pressing head (1), of the return spring (5) abuts against the annular abutting protrusion (61), and the side, away from the return spring (5), of the annular abutting protrusion (61) abuts against the annular limiting protrusion (42).

6. The sprayer with high sealing performance according to claim 5, wherein the inner side wall of the shell (2) is provided with an annular clamping protrusion (21), and the outer side wall of the spring limiting tube (6) is provided with an annular clamping groove (63) for the annular clamping protrusion (21) to be embedded into.

7. The sprayer with high sealing performance according to claim 1, further comprising a sealing seat (7), wherein the sealing seat (7) is sleeved outside the pump rod (4), an annular sealing protrusion (43) is arranged at one end of the pump rod (4) away from the pressing head (1), and an annular sealing block (71) abutting against the annular sealing protrusion (43) is arranged on the sealing seat (7).

8. A highly sealable aerosol container as claimed in claim 7, wherein the outer circumferential surface of the annular sealing protrusion (43) is a first inclined surface (431), and the annular sealing block (71) is provided with a second inclined surface (711) which abuts against the first inclined surface (431).