A spray bottle and spray head structure with anti-oxidation function

Abstract

The invention discloses an anti-oxidation spray bottle and spray head structure, a bottle body, a bottle cap, a cap and a spray head, the spray head comprising a straw, a valve seat, a valve core, a trumpet-shaped pressing block, a return spring, a partition and a valve ball, a gas storage tank is fixedly installed in the installation cavity through a locking mechanism, and inert gas is stored in the gas storage tank, and the valve core and a push rod are driven to move downward by pressing the bottle cap, and the push rod can push the valve block open and move it downward, and the valve block drives the sealing cover to move downward after moving down to a certain distance, and the inert gas outlet in the gas storage tank enters into the inner cavity of the bottle body; the invention arranges an inert gas storage tank on one side of the bottle body, and when the bottle cap is pressed, the inert gas enters the bottle body to spray the medicine liquid from the spray head, and after the bottle cap is stopped being pressed, each structure is reset, and during the whole process, no air enters the bottle to contact the medicine liquid, and the internal medicine liquid can be effectively protected from oxidation.

Description

Technical Field

[0001] The invention relates to the technical field of spray bottle and spray head mechanisms, and in particular to a spray bottle and spray head structure with anti-oxidation properties. Background Art

[0002] Spray refers to a preparation that is filled with raw materials or suitable excipients in a special device. When used, the contents are released in the form of mist with the help of pressure from a manual pump, high-pressure gas, ultrasonic vibration or other methods. It is used for inhalation into the lungs or directly sprayed onto the cavity mucosa and skin.

[0003] There are many types and ingredients of existing sprays. Some sprays need to be stored in a light-proof manner, such as being filled in dark glass bottles. Some sprays need to be protected from oxidation to prevent some ingredients of the spray from being oxidized, resulting in reduced efficacy. In the bottle structure of existing sprays, during the spraying process, as the liquid medicine decreases, air will enter the bottle to balance the internal and external pressures of the bottle. There is a lot of oxygen in the air, which will react with some ingredients of the spray, easily resulting in reduced efficacy and affecting the shelf life of the product. In view of the above problems, the present invention provides a solution. Summary of the invention

[0004] The present invention aims to overcome the defects of the prior art and provide a spray bottle and a spray head structure with anti-oxidation properties.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] The invention relates to an anti-oxidation spray bottle and a spray head structure, comprising a bottle body, a bottle cover, a cap and a spray head, wherein the spray head comprises a straw, a valve seat, a valve core, a trumpet-shaped pressure block, a return spring, a partition and a valve ball, wherein the straw is inserted into the bottom of the valve seat, a through hole is provided in the middle of the partition, the valve ball is restricted to the bottom of the valve seat by the partition, the valve core is installed in the valve seat, the lower end of the return spring abuts against the partition, the upper end of the return spring is sleeved on the bottom of the valve core, the trumpet-shaped pressure block is sleeved on the side wall of the valve core, and the outer side of the trumpet-shaped pressure block is in contact with the inner side wall of the valve seat, the upper end of the valve core is inserted into the middle inner cavity of the mounting seat, the bottom end diameter of the valve core is larger than the diameter of the part inserted into the mounting seat, the outer side of the mounting seat is pressed against the bottle mouth of the bottle body by deformation of the pressure block, and the The pressing block is made of metal aluminum, and a sealing gasket is provided between the mounting seat and the pressing block. The bottle cap is covered on the outer side of the bottle mouth pressing block, and the inner wall of the bottle cap is provided with upper and lower limiting rings. The outer wall of the pressing block is deformed during the pressing to form a bulge, and the bulge is located between the two limiting rings. A hollow pressing tube is provided in the middle of the bottle cap, and the bottom of the pressing tube can be inserted into the middle inner cavity of the mounting seat and abut against the limiting block at the upper end of the valve core. The cap is covered on the middle nozzle of the bottle cap, and a sealing ring is provided on the contact surface between the cap and the bottle cap. A mounting cavity is provided on one side of the bottle body, and a gas storage tank is fixedly installed in the mounting cavity by a locking mechanism. Inert gas is stored in the gas storage tank, and the gas pressure in the gas storage tank is greater than the atmospheric pressure. The specific pressure can be determined according to the gas storage tank and The volume setting of the bottle body needs to ensure that after the liquid in the bottle body is used up, the gas in the gas storage tank is still greater than the atmospheric pressure. The gas storage cavity of the gas storage tank is also provided with a valve block, a valve stem, a sealing cover, a spring 1, an intermediate plate, a spring 2, an end plate and abutment blocks. The intermediate plate and the end plate are arranged in parallel on the inner cavity side wall of the gas storage tank, the valve stem vertically passes through the through holes on the intermediate plate and the end plate, the valve block is arranged on the upper end of the valve stem, the sealing cover is sleeved on the valve stem above the intermediate plate, the sealing cover is a barrel-shaped structure with an opening upward, and a spring 1 is sleeved on the valve stem at the bottom of the sealing cover, and the two ends of the spring 1 are respectively abutted against the sealing cover and the intermediate plate, and the spring 1 pushes the upper end cover of the sealing cover to close on the gas outlet of the gas storage tank. The contact surface of the sealing cover with the gas storage tank and the valve stem The valve stem of the valve body is fixed with a push rod, and the other end of the push rod ...The inert gas outlet in the gas storage tank enters the inner cavity of the bottle.

[0007] Furthermore, the locking mechanism includes a top plate, a tightening spring and a positioning protrusion, the tightening spring and the top plate are arranged at the bottom of the installation cavity, the bottom end of the tightening spring is fixed in the installation cavity, the upper end of the tightening spring is fixedly connected to the top plate, the positioning protrusion is arranged at the upper end of the gas storage tank, and the upper end of the installation cavity is provided with a positioning groove that cooperates with the positioning protrusion. Through the locking mechanism, the gas storage tank and the bottle body are installed as a whole, and at the same time, the assembled shape is ensured to be an approximate cylinder, which is the same as the common bottle body structure.

[0008] Furthermore, an inflation port is provided on the outside of the gas storage tank, and an inflation valve ball and an inflation valve spring are provided in the inflation port. The inflation valve spring pushes the inflation valve ball to fit and seal with the sealing surface of the inflation port. The gas storage tank can be inflated through the inflation port. After the inflation is completed, in order to ensure the reliability of the seal, the inflation port can be sealed with hot melt adhesive.

[0009] Furthermore, one end of the connecting rod is fixedly connected to the side wall of the valve core through a threaded structure, and the top end of the push rod is fixedly connected to the mounting hole at the other end of the connecting rod by an interference fit. Similarly, other reliable connections can be selected for fixed connection.

[0010] Furthermore, a shift block is provided on the outer side of the gas storage tank, and an anti-slip groove is provided on the surface of the shift block, so that the installation or removal of the gas storage tank is facilitated by pressing the shift block.

[0011] Furthermore, the inert gas stored in the gas storage tank is nitrogen or helium. Similarly, the inert gas can be air without oxygen.

[0012] In summary, the present invention has the following beneficial effects: by arranging an inert gas storage tank on one side of the bottle body, when the bottle cap is pressed, the inert gas enters the bottle body to spray the medicine liquid out of the nozzle, and after the bottle cap is stopped being pressed, each structure is reset. During the whole process, no air enters the bottle and contacts the medicine liquid, which can effectively protect the internal medicine liquid from oxidation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 It is a schematic diagram of the structure of the gas storage tank part;

[0015] Figure 3 It is a structural schematic diagram of the connecting valve block part;

[0016] Figure 4 It is a structural diagram of the nozzle part.

[0017] In the figure: 1. bottle body; 2. bottle cap; 3. cap; 4. straw; 5. valve seat; 6. valve core; 7. mounting seat; 8. pressure block; 9. trumpet-shaped pressure block; 10. return spring; 11. partition; 12. valve ball; 13. gas storage tank; 14. connecting rod; 15. push rod; 16. mounting cavity; 17. top plate; 18. tightening spring; 19. gas storage cavity; 20. shift block; 21. inflation port; 22. inflation valve ball; 23. inflation valve spring; 24. outlet plug; 25. valve block; 26. valve stem; 27. sealing cover; 28. spring one; 29. ​​middle plate; 30. spring two; 31. end plate; 32. stop block; 33. positioning convex block; 34. slide groove. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-Figure 4As shown, an anti-oxidation spray bottle and spray head structure comprises a bottle body 1, a bottle cap 2, a cap 3 and a spray head, wherein the spray head comprises a straw 4, a valve seat 5, a valve core 6, a trumpet-shaped pressing block 9, a return spring 10, a partition 11 and a valve ball 12, wherein the straw 4 is inserted into the bottom of the valve seat 5, a through hole is provided in the middle of the partition 11, the valve ball 12 is blocked and restricted at the bottom of the valve seat 5 by the partition 11, the valve core 6 is installed in the valve seat 5, the lower end of the return spring 10 abuts against the partition 11, the upper end of the return spring 10 is sleeved on the bottom of the valve core 6, the trumpet-shaped pressing block 9 is sleeved on the side wall of the valve core 6, and the outer side of the trumpet-shaped pressing block 9 is in contact with the inner side wall of the valve seat 5, the upper end of the valve core 6 is inserted into the middle inner cavity of the mounting seat 7, and the valve core The bottom end diameter of 6 is larger than the diameter of the part inserted into the mounting seat 7. The outer side of the mounting seat 7 is deformed and pressed on the bottle mouth of the bottle body 1 by the pressing block 8. The pressing block 8 is made of metal aluminum. A sealing gasket is provided between the mounting seat 7 and the pressing block 8. The bottle cap 2 is covered on the outer side of the bottle mouth pressing block 8. The inner wall of the bottle cap 2 is provided with upper and lower limiting rings. The outer side wall of the pressing block 8 is deformed to form a convex block during capping. The convex block is located between the two limiting rings. A hollow pressing tube is provided in the middle of the bottle cap 2. The bottom of the pressing tube can be inserted into the middle inner cavity of the mounting seat 7 and abut against the limiting block at the upper end of the valve core 6. The cap 3 is covered on the middle nozzle of the bottle cap 2. The contact surface between the cap 3 and the bottle cap 2 is provided with a sealing ring. One side of the bottle body 1 is provided with a mounting A mounting cavity 16, in which a gas storage tank 13 is fixedly installed through a locking mechanism, wherein the gas storage tank 13 stores inert gas, and the gas pressure in the gas storage tank 13 is greater than the atmospheric pressure, and the specific pressure can be set according to the volume of the gas storage tank 13 and the bottle body 1, and it is necessary to ensure that after the liquid in the bottle body 1 is used up, the gas in the gas storage tank 13 is still greater than the atmospheric pressure, and a valve block 25, a valve stem 26, a sealing cover 27, a spring 1 28, an intermediate plate 29, a spring 2 30, an end plate 31 and a stop block 32 are also provided in the gas storage cavity 19 of the gas storage tank 13, wherein the intermediate plate 29 and the end plate 31 are arranged in parallel on the inner cavity side wall of the gas storage tank 13, the valve stem 26 is arranged vertically through the through holes on the intermediate plate 29 and the end plate 31, and the valve block 25 is arranged on the upper end of the valve stem 26, the sealing cover 27 is sleeved on the valve stem 26 above the middle plate 29, the sealing cover 27 is a barrel-shaped structure with the opening upward, a spring 28 is sleeved on the valve stem 26 at the bottom of the sealing cover 27, the two ends of the spring 28 are respectively abutted against the sealing cover 27 and the middle plate 29, the spring 28 pushes the upper end cover of the sealing cover 27 to close on the gas outlet of the gas storage tank 13, and the sealing cover 27 and the contact surface of the gas storage tank 13 and the valve stem 26 are all provided with sealing rings, the butt block 32 is arranged on the valve stem 26 of the middle plate 29 and the end plate 31, the spring 2 30 is sleeved on the valve stem 26 between the butt block 32 and the end plate 31, and the two ends of the spring 2 30 are respectively abutted against the butt block 32 and the end plate 31,The spring 2 30 pushes the stopper 32 so that the valve block 25 at the upper end of the valve stem 26 fits and seals with the sealing surface on the gas outlet. The upper end of the installation cavity 16 and the inside of the bottle body 1 are provided with an upwardly protruding gas outlet plug 24, and the gas outlet plug 24 is provided with a through hole corresponding to the gas outlet. A push rod 15 is inserted into the through hole of the gas outlet plug 24. The upper end of the push rod 15 is fixedly connected to the connecting rod 14 in the bottle body 1. The other end of the connecting rod 14 passes through the slide groove 34 provided on the side wall of the valve seat 5 and is fixedly connected to the side wall of the valve core 6. Pressing the bottle cap 2 drives the valve core 6 and the push rod 15 to move downward. The push rod 15 pushes the valve block 25 open and moves it downward. After the valve block 25 moves down to a certain distance, it drives the sealing cover 27 to move downward, and the inert gas outlet in the gas storage tank 13 enters the inner cavity of the bottle body 1.

[0020] Further, such as Figure 2 As shown, the locking mechanism includes a top plate 17, a tensioning spring 18 and a positioning protrusion 33. The tensioning spring 18 and the top plate 17 are arranged at the bottom of the installation cavity 16. The bottom end of the tensioning spring 18 is fixed in the installation cavity. The upper end of the tensioning spring 18 is fixedly connected to the top plate 17. The positioning protrusion 33 is arranged at the upper end of the gas storage tank 13. The upper end of the installation cavity 16 is provided with a positioning groove that cooperates with the positioning protrusion 33. Through the locking mechanism, the gas storage tank 13 and the bottle body 1 are installed as a whole, and at the same time, the assembled shape is ensured to be an approximate cylinder, which is the same as the common bottle body structure.

[0021] Furthermore, an inflation port 21 is provided on the outside of the gas storage tank 13, and an inflation valve ball 22 and an inflation valve spring 23 are provided in the inflation port 21. The inflation valve spring 23 pushes the inflation valve ball 22 to fit and seal with the sealing surface of the inflation port 21. The gas storage tank 13 can be inflated through the inflation port 21. After the inflation is completed, in order to ensure the reliability of the seal, the inflation port 21 can be sealed with hot melt adhesive.

[0022] Further, such as Figure 4 As shown, one end of the connecting rod 14 is fixedly connected to the side wall of the valve core 6 through a threaded structure, and the top end of the push rod 15 is fixedly connected to the mounting hole at the other end of the connecting rod 14 by an interference fit. Similarly, other reliable connections can be selected for fixed connection.

[0023] Furthermore, a shift block 20 is provided on the outer side of the gas storage tank 13 , and an anti-slip groove is provided on the surface of the shift block 20 , so that the installation or removal of the gas storage tank 13 is facilitated by pressing the shift block 20 .

[0024] Furthermore, the inert gas stored in the gas storage tank 13 is nitrogen or helium. Similarly, the inert gas can be air without oxygen.

[0025] Working principle: By pressing the bottle cap 2, the pressure tube in the middle of the bottle cap 2 drives the valve core 6, the connecting rod 14 and the push rod 15 to move downward, the push rod 15 pushes the valve block 25 open, the extrusion spring 230 moves downward, the valve block 25 moves down to a certain distance and drives the sealing cover 27 to move downward, the inert gas outlet in the gas storage tank 13 enters the inner cavity of the bottle body 1, the pressure in the inner cavity of the bottle body 1 increases, the liquid medicine is pressed out from the straw 4, the liquid medicine pushes the valve ball 12 open, passes through the through hole in the middle of the partition 11, and flows along the valve core 6 and the through hole in the bottle cap 2 are sprayed out. After the bottle cap 2 is loosened, the return spring 10 drives the valve core 6 and the bottle cap 2 to move up. After moving up to a certain distance, the valve block 25 and the sealing cover 27 isolate the bottle body 1 from the gas storage tank 13 again. During this process, the space between the trumpet-shaped pressing block 9 and the valve seat 5 will be filled with liquid medicine, blocking the air at the upper end of the cover body. No air enters the bottle body 1 at all times. After use, the cap 3 is covered on the bottle cap 2 to complete the isolation of the upper end of the bottle cap 2 from the air.

[0026] After reading this specification, those skilled in the art can make modifications to this embodiment without creative contribution as needed, but they are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An anti-oxidation spray bottle and spray head structure, comprising a bottle body (1), a bottle cap (2), a cap (3) and a spray head, characterized in that: The nozzle comprises a suction pipe (4), a valve seat (5), a valve core (6), a trumpet-shaped pressure block (9), a return spring (10), a partition (11) and a valve ball (12); the suction pipe (4) is inserted into the bottom of the valve seat (5); a through hole is provided in the middle of the partition (11); the valve ball (12) is blocked and restricted at the bottom of the valve seat (5) by the partition (11); the valve core (6) is installed in the valve seat (5); the lower end of the return spring (10) abuts against the partition (11); the upper end of the return spring (10) is sleeved on the bottom of the valve core (6); the trumpet-shaped pressure block (9) is sleeved on the side wall of the valve core (6); the outer side of the trumpet-shaped pressure block (9) is in contact with the inner side wall of the valve seat (5); the upper end of the valve core (6) is inserted into the installation hole; The middle inner cavity of the mounting seat (7), the bottom end diameter of the valve core (6) is larger than the diameter of the portion inserted into the mounting seat (7), the outer side of the mounting seat (7) is deformed and pressed into the bottle mouth of the bottle body (1) by a pressing block (8), the pressing block (8) is made of metal aluminum, a sealing gasket is provided between the mounting seat (7) and the pressing block (8), the bottle cap (2) is covered on the outer side of the bottle mouth pressing block (8), the inner wall of the bottle cap (2) is provided with upper and lower limiting rings, the outer side wall of the pressing block (8) is deformed during the pressing of the cap to form a convex block, the convex block is located between the two limiting rings, the middle of the bottle cap (2) is provided with a hollow pressing tube, the bottom of the pressing tube can be inserted into the middle inner cavity of the mounting seat (7) and abut against the limiting block at the upper end of the valve core (6), the cap The cap (3) is covered on the middle nozzle of the bottle cap (2), and a sealing ring is provided on the contact surface where the cap (3) and the bottle cap (2) are covered. A mounting cavity (16) is provided on one side of the bottle body (1), and a gas storage tank (13) is fixedly installed in the mounting cavity (16) through a locking mechanism. Inert gas is stored in the gas storage tank (13), and the gas pressure in the gas storage tank (13) is greater than atmospheric pressure. A valve block (25), a valve stem (26), a sealing cover (27), a spring 1 (28), an intermediate plate (29), a spring 2 (30), an end plate (31) and a stop block (32) are also provided in the gas storage cavity (19) of the gas storage tank (13). The intermediate plate (29) and the end plate (31) are arranged in parallel at the gas storage tank (13). The valve stem (26) is vertically passed through the through holes on the middle plate (29) and the end plate (31), the valve block (25) is arranged at the upper end of the valve stem (26), the sealing cover (27) is sleeved on the valve stem (26) above the middle plate (29), the sealing cover (27) is a barrel-shaped structure with an opening facing upward, a spring (28) is sleeved on the valve stem (26) at the bottom of the sealing cover (27), the two ends of the spring (28) are respectively in contact with the sealing cover (27) and the middle plate (29), the spring (28) pushes the upper end of the sealing cover (27) to cover the gas outlet of the gas storage tank (13), and sealing rings are provided on the contact surfaces of the sealing cover (27), the gas storage tank (13) and the valve stem (26).The stop block (32) is arranged on the valve stem (26) of the middle plate (29) and the end plate (31); the second spring (30) is sleeved on the valve stem (26) between the stop block (32) and the end plate (31); and the two ends of the second spring (30) are respectively in contact with the stop block (32) and the end plate (31); the second spring (30) pushes the stop block (32) so that the valve block (25) at the upper end of the valve stem (26) is in close contact with the sealing surface on the air outlet and is sealed; the upper end of the installation cavity (16) and the inside of the bottle body (1) are provided with an upwardly protruding air outlet plug (24); and the air outlet plug (24) is provided with a sealing surface that is opposite to the air outlet. The through hole of the outlet plug (24) is provided with a push rod (15), the upper end of the push rod (15) is fixedly connected to the connecting rod (14) in the bottle body (1), and the other end of the connecting rod (14) passes through the slide groove (34) provided on the side wall of the valve seat (5) and is fixedly connected to the side wall of the valve core (6). The bottle cap (2) is pressed to drive the valve core (6) and the push rod (15) to move downward, and the push rod (15) can push the valve block (25) open and move it downward. After the valve block (25) moves downward to a certain distance, it drives the sealing cover (27) to move downward, and the inert gas outlet in the gas storage tank (13) enters the inner cavity of the bottle body (1).

2. The anti-oxidation spray bottle and spray head structure according to claim 1, characterized in that: The locking mechanism comprises a top plate (17), a tensioning spring (18) and a positioning protrusion (33); the tensioning spring (18) and the top plate (17) are arranged at the bottom of the mounting cavity (16); the bottom end of the tensioning spring (18) is fixed in the mounting cavity; the upper end of the tensioning spring (18) is fixedly connected to the top plate (17); the positioning protrusion (33) is arranged at the upper end of the gas storage tank (13); and the upper end of the mounting cavity (16) is provided with a positioning groove that cooperates with the positioning protrusion (33).

3. The anti-oxidation spray bottle and spray head structure according to claim 2, characterized in that: The outside of the gas storage tank (13) is provided with an inflation port (21), and an inflation valve ball (22) and an inflation valve spring (23) are provided inside the inflation port (21). The inflation valve spring (23) pushes the inflation valve ball (22) to fit and seal with the sealing surface of the inflation port (21).

4. The anti-oxidation spray bottle and spray head structure according to claim 3, characterized in that: One end of the connecting rod (14) is fixedly connected to the side wall of the valve core (6) through a threaded structure, and the top end of the push rod (15) is fixedly connected to the mounting hole at the other end of the connecting rod (14) through an interference fit.

5. The anti-oxidation spray bottle and spray head structure according to claim 4, characterized in that: A shift block (20) is provided on the outer side of the gas storage tank (13), and an anti-slip groove is provided on the surface of the shift block (20).

6. The anti-oxidation spray bottle and spray head structure according to claim 5, characterized in that: The inert gas stored in the gas storage tank (13) is nitrogen or helium.

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