CN110482008B

CN110482008B - Bottle cap with adjustable pouring flow

Info

Publication number: CN110482008B
Application number: CN201910820309.8A
Authority: CN
Inventors: 周永竖; 陈凯; 李中勇
Original assignee: Yongjia Qida Intellectual Property Consulting Co ltd
Current assignee: Cixi Yangen Plastics Co ltd
Priority date: 2019-09-01
Filing date: 2019-09-01
Publication date: 2021-04-16
Anticipated expiration: 2039-09-01
Also published as: CN110482008A

Abstract

The invention relates to the technical field of bottle caps, in particular to a bottle cap with adjustable pouring flow. The invention discloses a bottle cap with an adjustable pouring flow, which is characterized in that: comprises a cover body, an inner adjusting ring, an outer adjusting ring, a gear column, a hose and a clamping mechanism. When the flexible pipe is used, the outer adjusting ring is rotated, the inner adjusting ring is driven to rotate through gear transmission, the adjusting rod below the inner adjusting ring drives the clamping mechanism to clamp or release the hose outside the hose, and then the through opening of the hose is changed, so that the flow of the contents in the bottle passing through the hose is adjusted. The invention has simple integral structure and convenient and quick adjustment of the size of the bottle cap pouring through hole. And the sealing performance of the bottle cap is improved by adopting a multiple sealing structure.

Description

Bottle cap with adjustable pouring flow

Technical Field

The invention relates to the technical field of bottle caps, in particular to a bottle cap with adjustable pouring flow.

Background

The bottle for packaging the existing medicines, foods, beverages or mineral water and the like and the bottle cap of the existing medicines, foods, beverages or mineral water and the like are common matching structures, the bottle cap generally comprises an outer cap and a gasket positioned in the outer cap, wherein the gasket is mainly made of materials such as silica gel or PET and the like. Although the bottle cap can meet the use requirements of the bottle in common situations such as temporary opening and closing, sealing and the like, the caliber of the bottle is fixed, the content (or liquid, powder or granular and the like) in the bottle is easily poured out too much, the flow of the content in the bottle can not be effectively controlled, and waste is easily caused.

Disclosure of Invention

The invention aims to overcome the defects and provide the bottle cap with the adjustable pouring flow.

In order to achieve the purpose, the technical solution of the invention is as follows: a bottle cap with adjustable pouring flow comprises a cap body, an inner adjusting ring, an outer adjusting ring, a gear column, a hose and a clamping mechanism;

the cover body is in a hollow tubular shape and comprises a lower cover body, a middle cover body and an upper cover body, wherein the inner diameter of the lower cover body is larger than that of the middle cover body, and the inner diameter of the middle cover body is smaller than that of the upper cover body;

the outer diameter of the hose is not greater than the inner diameter of the middle cover body, and the axial height of the hose is not less than the sum of the axial heights of the middle cover body and the upper cover body; the lower end of the hose is connected with a lower sealing sheet, the lower sealing sheet is arranged in the lower cover body, and the upper surface of the lower sealing sheet is abutted against the lower surface of the middle cover body;

the lower part of the upper cover body is provided with a through groove matched with the gear column, and the wall thickness of the lower part of the upper cover body is smaller than the maximum diameter of the gear column; the inner adjusting ring is arranged at the lower part of the upper cover body, and the outer wall of the inner adjusting ring is in transmission connection with the gear column; a plurality of adjusting rods are arranged below the inner adjusting ring, and the lower ends of the adjusting rods are close to the upper surface of the middle cover body; the outer adjusting ring is embedded on the outer wall of the upper cover body, and the inner wall of the outer adjusting ring is in transmission connection with the gear column; the middle cover body is provided with fixing rods the number of which is equal to that of the adjusting rods; the clamping mechanism is arranged between the fixed rod and the adjusting rod and is positioned outside the hose; when the adjusting rod rotates towards different directions along with the inner adjusting ring, the gear column and the outer adjusting ring, the clamping mechanism gradually moves inwards to clamp the hose, or the clamping mechanism gradually moves outwards to release the hose.

When the flexible pipe is used, the outer adjusting ring is rotated, the inner adjusting ring is driven to rotate through gear transmission, the adjusting rod below the inner adjusting ring drives the clamping mechanism to clamp or release the hose outside the hose, and then the through opening of the hose is changed, so that the flow of the contents in the bottle passing through the hose is adjusted.

Preferably, the number of the fixed rods is two, and the two fixed rods are arranged on the upper surface of the middle cover body in a central symmetry manner; the clamping mechanism comprises two adjusting sheets; one end of the adjusting sheet is fixedly connected with the fixed rod, and the other end of the adjusting sheet is movably arranged in the upper cover body; the adjusting sheet is gradually widened towards one end far away from the fixing rod; the adjusting rod is positioned between the adjusting sheet and the upper cover body; the outer side of the adjusting sheet is arc-shaped, and the inner side of the adjusting sheet is a plane. When the hose is in a release state, the adjusting sheet is abutted against the outer wall of the hose. When the hose is clamped by the adjusting sheet, the distance between one end of the adjusting sheet, which is far away from the fixed rod, and the upper cover body is smaller than the outer diameter of the adjusting rod, so that the adjusting rod can be prevented from being excessively rotated to be separated from the position between the adjusting sheet and the upper cover body.

When the adjusting rod gradually moves towards one end far away from the fixed rod along with the rotation of the inner adjusting ring, the adjusting sheets are gradually pushed to move towards the middle of the hose, so that the two adjusting sheets are clamped and the through opening of the hose is reduced; when the adjusting rod gradually leans against one end of the fixed rod along with the rotation of the inner adjusting ring, the adjusting sheets are gradually loosened, so that the two adjusting sheets release the hose and the through opening of the hose is enlarged until the size of the through opening is equal to the inner diameter of the hose.

Preferably, the clamping mechanism further comprises two torsion springs respectively sleeved on the fixed rod; one end of the torsion spring is fixedly inserted into the cover body, and the other end of the torsion spring is fixedly connected to one end of the adjusting sheet close to the fixing rod. When the adjusting rod moves close to the fixed rod along with the rotation of the inner adjusting ring, the torsion spring can further reset the adjusting sheet and completely release the hose.

Preferably, the number of the fixed rods is two, and the two fixed rods are respectively arranged on two sides of the upper surface of the middle cover body; the clamping mechanism is an elastic steel wire; the middle of the elastic steel wire is sleeved outside the hose; the two ends of the elastic steel wire are respectively S-shaped and sequentially wound on the fixed rod and the adjusting rod.

When the adjusting rod rotates along with the inner adjusting ring to drive the end part of the elastic steel wire to move towards the direction far away from the fixed rod, the elastic steel wire wound outside the hose gradually clamps and contracts the through opening of the hose; when the adjusting rod rotates along with the inner adjusting ring and drives the end part of the elastic steel wire to move towards the direction close to the fixed rod, the elastic steel wire wound outside the hose is gradually loosened and released to release the through opening of the hose until the size of the through opening is equal to the inner diameter of the hose.

Preferably, a cushion block is arranged in the upper cover body and is positioned above the inner adjusting ring; the inner diameter of the cushion block is equal to the outer diameter of the hose, and the outer diameter of the cushion block is equal to the inner diameter of the upper cover body. The cushion block and the inner wall of the cover body form sealing, and the cushion block and the outer wall of the hose form sealing, so that the content in the bottle is prevented from permeating into the bottle cap from the upper part of the bottle cap, and the content is prevented from remaining in the bottle cap.

Preferably, the device also comprises a cover cap matched with the upper end of the cover body; the outer wall of the upper part of the upper cover body is provided with a clamping seat, and the outer wall of the clamping seat is provided with an outer buckling block which protrudes outwards in the radial direction; the cover cap is hinged with one side of the upper cover body far away from the outer buckling block; the cap is provided with an inner buckling part matched with the outer buckling block. The clamping seat, the outer buckling block and the inner buckling part are combined to enable the cover cap to be quickly and effectively opened and closed on the cover body.

Preferably, an elastic pad is connected between the clamping seat and the cover body. The elastic pad can make the card seat move towards the cover body, so that the inner buckling part can be quickly and effectively buckled on the outer buckling block or separated from the outer buckling block.

Preferably, the hinged part of the cap and the cover body is provided with a pull ring, and two ends of the pull ring are respectively connected with the cap and the cover body. The pull ring keeps the cap in an open state, so that the cap is prevented from covering to influence the normal use of the bottle cap when the bottle cap pours the contents in the bottle.

Preferably, a push sheet is arranged below the cap; the push sheet is positioned at one side close to the inner buckling part; when the cap covers the cover body, the distance between the push sheet and the cushion block is not more than 2 times of the thickness of the hose. When the cap covers the cover body, the push sheet can press the upper part of the hose to prevent the contents in the bottle from flowing out of the hose.

Preferably, a fixing piece is arranged on the cushion block;

when the cap covers the cover body, the fixing piece is positioned on the inner side of the push piece, and the upper end face of the fixing piece is higher than the lower end face of the push piece; the axial height of the hose is greater than the sum of the heights of the cover body and the fixing piece. The fixing piece is matched with the pushing piece for use, and the hose is further sealed when the cover cap and the cover body are closed.

Preferably, the width of the pushing sheet and the width of the fixing sheet are not less than the width of the hose in a pressing state, so that the hose is completely pressed and sealed. The push sheet and the fixing sheet are high in the axial direction of the cover body and wide in the direction perpendicular to the diameter of the cover body.

Preferably, the cushion block comprises a middle cushion block and an upper cushion block positioned above the middle cushion block; the inner diameter of the middle cushion block is equal to the outer diameter of the hose, and the outer diameter of the middle cushion block is equal to the inner diameter of the upper cover body; the inner diameter of the upper cushion block is not less than the inner diameter of the hose; go up cushion outer wall and lid inner wall detachable connection (for example threaded connection). The upper cushion block is detachably mounted, so that the upper cover body is convenient to detach, mount, replace, maintain and clean all parts, and the service life of the bottle cap is prolonged.

Preferably, the cover cap is provided with a block close to the inner buckling block. The handle block is matched with the elastic pad, so that the opening and closing operations of the cap can be further improved.

Preferably, the lower sealing sheet is integrally formed with the hose.

Preferably, the lower sealing piece outer wall and the lower cover body inner wall can be detachably connected (for example, in a threaded connection mode), so that the hose can be conveniently replaced and disassembled according to requirements.

Preferably, the upper part and the lower part of the outer adjusting ring are respectively provided with a radial inward ring strip; the outer wall of the upper cover body is provided with a ring groove corresponding to the ring strip. The ring strip and the ring groove are correspondingly arranged to facilitate the installation of the outer adjusting ring.

Preferably, the radial width of the ring strip is greater than the depth of the ring groove; the ring strip positioned at the lower part of the outer adjusting ring is provided with inwards concave notches, and the number of the notches is equal to that of the through grooves; the radian of the notch is matched with the gear column. During assembly, the notch is aligned with the gear column, and the outer adjusting ring can be fast sleeved on the outer wall of the cover body.

Preferably, the through groove is plural. A plurality of logical grooves evenly distributed is in last lid, and the gear post is all installed to each logical groove, can improve the transmission effect of interior regulation circle and outer regulation circle like this.

By adopting the technical scheme, the invention has the beneficial effects that: the invention discloses a bottle cap with an adjustable pouring flow, which is characterized in that: comprises a cover body, an inner adjusting ring, an outer adjusting ring, a gear column, a hose and a clamping mechanism. When the flexible pipe is used, the outer adjusting ring is rotated, the inner adjusting ring is driven to rotate through gear transmission, the adjusting rod below the inner adjusting ring drives the clamping mechanism to clamp or release the hose outside the hose, and then the through opening of the hose is changed, so that the flow of the contents in the bottle passing through the hose is adjusted. The invention has simple integral structure and convenient and quick adjustment of the size of the bottle cap pouring through hole. And the sealing performance of the bottle cap is improved by adopting a multiple sealing structure.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a view showing an opened state of a cap in accordance with embodiment 1 of the present invention;

FIG. 3 is a sectional view taken along direction EE of FIG. 1;

FIG. 4 is a sectional view of the hose of FIG. 1, shown in the open position DD;

FIG. 5 is a sectional view of the hose in FIG. 1, shown in the closed position DD;

FIG. 6 is a schematic structural view of example 2 of the present invention;

FIG. 7 is a cross-sectional view along AA in FIG. 6;

FIG. 8 is a schematic structural view of an outer adjustment ring;

fig. 9 is a cross-sectional view of the outer adjustment collar of fig. 8 taken in the direction BB.

Description of the main reference numerals: 1. a cover body; 2. a lower sealing sheet; 3. a left fixed link; 4. a left adjustment tab; 5. a left torsion spring; 6. a gear post; 7. an inner adjusting ring; 8. an outer adjustment ring; 9. a middle cushion block; 10. a card holder; 11. an elastic pad; 12. an upper cushion block; 13. a fixing sheet; 14. pushing the sheet; 15. capping; 16. a hose; 17. pulling a ring; 18. a right torsion spring; 19. a right adjustment tab; 20. a right fixing rod 21 and a right adjusting rod; 22. a left adjusting lever; 23. an elastic steel wire; 24. a lower cover body; 25. a middle cover body; 26, an upper cover body; 27. a through groove; 28. an outer buckling block; 29. an inner buckle part; 30. a block is processed; 31. a ring strip; 32. a ring groove; 33. and (4) a notch.

Detailed Description

The invention is further described below with reference to the figures and the specific embodiments. The directional phrases used in this disclosure include, for example: the directional terms such as up, down, left, right, inner, outer, etc. are used only with reference to the orientation of the attached FIG. 1 of the specification. Accordingly, the directional terminology used is intended to be illustrative only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1-5, the invention discloses a bottle cap with an adjustable pouring flow, which comprises a cap body 1, an inner adjusting ring 7, an outer adjusting ring 8, a gear column 6, a hose 16, a left fixing rod 3, a right fixing rod 20, a left adjusting rod 22, a right adjusting rod 21, a left adjusting sheet 4, a right adjusting sheet 19, a left torsion spring 5 and a right torsion spring 18;

the cover body 1 is hollow and tubular and comprises a lower cover body 24, a middle cover body 25 and an upper cover body 26, wherein the inner diameter of the lower cover body 24 is larger than that of the middle cover body 25, and the inner diameter of the middle cover body 25 is smaller than that of the upper cover body 26;

the outer diameter of the hose 16 is not more than the inner diameter of the middle cover body 25, and the axial height of the hose 16 is not less than the sum of the axial heights of the middle cover body 25 and the upper cover body 26; the lower end of the hose 16 is connected with a lower sealing sheet 2, the lower sealing sheet 2 is arranged in the lower cover body 24, and the upper surface of the lower sealing sheet 2 is abutted against the lower surface of the middle cover body 25; the lower sealing plate 2 is made in one piece with the hose 16.

A through groove 27 matched with the gear column 6 is formed in the lower portion of the upper cover body 26, and the wall thickness of the lower portion of the upper cover body 26 is smaller than the maximum diameter of the gear column 6; the inner adjusting ring 7 is arranged at the lower part of the upper cover body 26, and the outer wall of the inner adjusting ring 7 is in transmission connection with the gear column 6. The left adjusting rod 22 and the right adjusting rod 21 are respectively fixed below the inner adjusting ring 7, and the lower ends of the left adjusting rod 22 and the right adjusting rod 21 are close to the upper surface of the middle cover body 25; the outer adjusting ring 8 is embedded on the outer wall of the upper cover body 26, the inner wall of the outer adjusting ring 8 is in transmission connection with the gear column 6, and the left fixing rod 3 and the right fixing rod 20 are installed on the middle cover body 25 and located below the inner adjusting ring 7. The left fixing rod 3 and the right fixing rod 20 are arranged on the middle cover body 25 in a centrosymmetric manner.

One end of each of the left adjusting sheet 4 and the right adjusting sheet 19 is fixedly connected with the corresponding left fixing rod 3 and the right fixing rod 20, and the other end is movably arranged in the upper cover body 26; the left adjusting sheet 4 and the right adjusting sheet 19 are gradually widened towards the ends far away from the left fixing rod 3 and the right fixing rod 20 respectively; the left adjusting rod 22 and the right adjusting rod 21 are positioned between the corresponding left adjusting sheet 4 and right adjusting sheet 19 and the upper cover body 26; the outer sides of the left adjusting sheet 4 and the right adjusting sheet 19 are arc-shaped, and the inner sides of the left adjusting sheet 4 and the right adjusting sheet 19 are planes. When the hose 16 is in a release state, the left adjusting sheet 4 and the right adjusting sheet 19 are abutted against the outer wall of the hose 16. When the left adjusting sheet 4 and the right adjusting sheet 19 clamp the hose 16, the distance between one end of the left adjusting sheet 4 and the right adjusting sheet 19 far away from the left fixing rod 3 and the right fixing rod 20 and the upper cover 26 is smaller than the outer diameter of the corresponding left adjusting rod 22 and right adjusting rod 21, so that the left adjusting rod 22 and the right adjusting rod 21 can be prevented from being excessively rotated to be separated from the positions between the left adjusting sheet 4 and the upper cover 26 and between the right adjusting sheet 19 and the upper cover 26.

One end of each of the left torsion spring 5 and the right torsion spring 18 is respectively fixed and inserted in the cover body 1, and the other end is respectively fixedly connected to one end of the corresponding left adjusting sheet 4 and the corresponding right adjusting sheet 19 close to the left fixing rod 3 and the right fixing rod 20. When the left adjusting rod 22 and the right adjusting rod 21 approach the corresponding left fixing rod 3 and right fixing rod 20 along with the rotation movement of the inner adjusting ring 7, the left torsion spring 5 and the right torsion spring 18 can further reset the adjusting sheet and completely release the hose 16.

Description of the operation: the gear column 6 is in gear transmission connection with the inner adjusting ring 7 and the outer adjusting ring 8 respectively, when the outer adjusting ring 8 is rotated, the gear column 6 can drive the inner adjusting ring 7 to rotate clockwise or anticlockwise, and the lower end face of the inner adjusting ring 7 is provided with a left adjusting rod 22 and a right adjusting rod 21 respectively;

when the inner adjusting ring 7 rotates clockwise, the left adjusting rod 22 drives the left adjusting sheet 4 to rotate clockwise around the left fixing rod 3, the right adjusting rod 21 drives the right adjusting sheet 19 to rotate clockwise around the right fixing rod 20, the inner end surfaces of the left adjusting sheet 4 and the right adjusting sheet 19 are slowly closed and compress the hose 16 inwards, so that the flow area of the inner hole of the hose 16 is slowly reduced, and when the inner end surfaces of the left adjusting sheet 4 and the right adjusting sheet 19 tightly press the hose 16, the inner hole of the hose 16 is completely closed;

on the contrary, when the interior regulating collar 7 of anticlockwise rotation, left regulating flap 4, right regulating flap 19 is respectively round left dead lever 3, right dead lever 20 anticlockwise rotation under left torsion spring 5, right torsion spring 18's effect, left regulating flap 4, the interior terminal surface of right regulating flap 19 slowly parts, make the slow increase of 16 hole flow area in the hose, when left regulating flap 4, right regulating flap 19 anticlockwise rotation to the maximum position, 16 hole size in the hose resumes to the biggest, thereby usable rotatory outer regulating collar 8 can adjust the size of medicine bottle pouring opening, it is convenient to adjust.

Example 2

As shown in fig. 6-7, the invention discloses a bottle cap with an adjustable pouring flow, which comprises a cap body 1, an inner adjusting ring 7, an outer adjusting ring 8, a gear column 6, a hose 16, a left fixing rod 3, a right fixing rod 20, a left adjusting rod 22, a right adjusting rod 21 and an elastic steel wire 23;

A through groove 27 matched with the gear column 6 is formed in the lower portion of the upper cover body 26, and the wall thickness of the lower portion of the upper cover body 26 is smaller than the maximum diameter of the gear column 6; the inner adjusting ring 7 is arranged at the lower part of the upper cover body 26, and the outer wall of the inner adjusting ring 7 is in transmission connection with the gear column 6. The left adjusting rod 22 and the right adjusting rod 21 are respectively fixed below the inner adjusting ring 7, and the lower ends of the left adjusting rod 22 and the right adjusting rod 21 are close to the upper surface of the middle cover body 25; the outer adjusting ring 8 is embedded on the outer wall of the upper cover body 26, the inner wall of the outer adjusting ring 8 is in transmission connection with the gear column 6, and the left fixing rod 3 and the right fixing rod 20 are installed on the middle cover body 25 and located below the inner adjusting ring 7. The left fixing rod 3 and the right fixing rod 20 are arranged on the middle cover body 2 in a centrosymmetric manner.

The middle of the elastic steel wire 23 is sleeved outside the hose 16; one end of the elastic steel wire 23 is S-shaped and is sequentially wound on the left fixing rod 3 and the left adjusting rod 22, and the other end is S-shaped and is sequentially wound on the right fixing rod 20 and the right adjusting rod 21.

When the inner adjusting ring 7 rotates clockwise, the left adjusting rod 22 and the right adjusting rod 21 can be used for driving the elastic steel wire 23 to tighten the hose 16 so as to reduce or close the inner hole of the hose 16, and the size of the inner hole of the hose 16 can be adjusted. When the inner adjusting ring 7 rotates anticlockwise, the left adjusting rod 22 and the right adjusting rod 21 can be used for driving the elastic steel wire 23 to loosen the hose 16, so that the inner hole of the hose can be gradually restored to the original size, the size of the inner hole of the hose 16 can be adjusted, and finally the elastic steel wire automatically restores to the original position.

Example 3

Based on the embodiment 1 and the embodiment 2, the upper cover body is internally provided with a cushion block which is positioned on the inner adjusting ring 7; the inside diameter of the spacer is equal to the outside diameter of the hose 16 and the outside diameter of the spacer is equal to the inside diameter of the upper cover 26. The cushion block forms a seal with the inner wall of the cover body 1, and the cushion block forms a seal with the outer wall of the hose 16, so that the content in the bottle is prevented from permeating into the bottle cover from the upper part of the bottle cover, and the content is prevented from remaining in the bottle cover.

Example 4

According to embodiment 3, the cushion blocks comprise a middle cushion block 9 and an upper cushion block 12 positioned above the middle cushion block 9; the inner diameter of the middle cushion block 9 is equal to the outer diameter of the hose 16, and the outer diameter of the middle cushion block 9 is equal to the inner diameter of the upper cover body 26; the inner diameter of the upper cushion block 12 is not less than the outer diameter of the hose 16; the outer wall of the upper cushion block 12 is detachably connected (for example, in a threaded manner) with the inner wall of the cover body 1. The upper cushion block 12 is detachably mounted, so that the disassembly, the assembly, the replacement, the maintenance and the cleaning of all parts in the upper cover body 26 are facilitated, and the service life of the bottle cap is prolonged.

The invention also comprises a cover cap 15 matched with the upper end of the cover body 1; the outer wall of the upper part of the upper cover body 26 is provided with a clamping seat 10, and the outer wall of the clamping seat 10 is provided with an outer buckling block 28 which protrudes outwards in the radial direction; the cover cap 15 is hinged with one side of the upper cover body 26 far away from the outer buckling block 28; the cap 15 is provided with an inner snap portion 29 that mates with the outer snap block 28. The combination of the clamping seat 10, the outer fastening block 28 and the inner fastening part 29 can make the cap 15 open and close on the cover body 1 quickly and effectively.

An elastic pad 11 is connected between the clamping seat 10 and the cover body 1. The elastic pad 11 can make the card seat 10 move towards the cover 1, so that the inner fastening portion 29 can be quickly and effectively fastened to the outer fastening block 28 or separated from the outer fastening block 28.

The hinged part of the cap 15 and the cover body 1 is provided with a pull ring 17, and two ends of the pull ring 17 are respectively connected with the cap 15 and the cover body 1. The pull ring 17 keeps the cap 15 in an open state, so that the cap 15 is prevented from covering and influencing the normal use of the bottle cap when the bottle cap pours the contents in the bottle.

A push sheet 14 is arranged below the cap 15; the push sheet 14 is positioned at one side close to the inner buckling part 29; when the cap 15 is covered on the cover body 1, the distance between the push sheet 14 and the upper cushion block 12 is not more than 2 times of the thickness of the hose 16. When the cap 15 is covered on the cover body 1, the pushing sheet 14 can press the upper part of the hose 16 to prevent the content of the bottle from flowing out of the hose.

A fixing sheet 13 is arranged on the upper cushion block 12; when the cap 15 is covered on the cover body 1, the fixing piece 13 is positioned at the inner side of the push piece 14, and the upper end surface of the fixing piece 13 is higher than the lower end surface of the push piece 14; the axial height of the hose 16 is greater than the sum of the heights of the cover body 1 and the fixing piece 13. The retaining tab 13 cooperates with a push tab 14 to further seal the hose 16 when the cap 15 is closed with the cover 1.

The widths of the push sheet 14 and the fixing sheet 13 are not less than the width of the hose 16 in a press fit state, so that the hose 16 is ensured to be completely pressed and sealed. The widths of the pushing piece 14 and the fixing piece 13 are based on the front-back direction in fig. 1, 2 and 6.

The cap 15 is provided with a handle 30 adjacent to the inner snap block 29. The block 30 is fitted with the elastic pad 11, so that the opening and closing operations of the cap 15 can be further improved.

The outer wall of the lower sealing piece 2 is detachably connected with the inner wall of the lower cover body 24 (for example, in a threaded connection mode), so that the hose 16 can be replaced and disassembled conveniently according to requirements.

Example 5

According to embodiments 1-4, as shown in fig. 1-2, 6, 8-9, the upper part and the lower part of the outer adjusting ring 8 of the present invention are respectively provided with a radial inward ring strip 31; the outer wall of the upper cover body 26 is provided with a ring groove 32 corresponding to the ring strip 31. The corresponding arrangement of the ring strip 31 and the ring groove 32 facilitates the installation of the outer adjusting ring 8.

The radial width of the ring strip 31 is greater than the depth of the ring groove 32; the ring strip 31 positioned at the lower part of the outer adjusting ring 8 is provided with inward concave notches 33, and the number of the notches 33 is equal to that of the through grooves 27; the arc of the notch 33 is matched with the gear column 6. During assembly, the notch 33 is aligned with the gear column 6, and the outer adjusting ring 8 can be quickly sleeved on the outer wall of the cover body 11.

The through grooves 27 are plural. The plurality of through grooves can be uniformly distributed on the upper cover body 26, and each through groove 27 is provided with the gear column 6, so that the transmission effect of the inner adjusting ring 7 and the outer adjusting ring 8 can be improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention, and all equivalent variations and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a pour adjustable bottle lid of flow which characterized in that: comprises a cover body, an inner adjusting ring, an outer adjusting ring, a gear column, a hose and a clamping mechanism;

the lower part of the upper cover body is provided with a through groove matched with the gear column, and the wall thickness of the lower part of the upper cover body is smaller than the maximum diameter of the gear column; the inner adjusting ring is arranged at the lower part of the upper cover body, and the outer wall of the inner adjusting ring is in transmission connection with the gear column; a plurality of adjusting rods are arranged below the inner adjusting ring, and the lower ends of the adjusting rods are close to the upper surface of the middle cover body; the outer adjusting ring is embedded on the outer wall of the upper cover body, and the inner wall of the outer adjusting ring is in transmission connection with the gear column; the middle cover body is provided with fixing rods the number of which is equal to that of the adjusting rods; the clamping mechanism is arranged between the fixed rod and the adjusting rod and is positioned outside the hose; when the adjusting rod rotates towards different directions along with the inner adjusting ring, the gear column and the outer adjusting ring, the clamping mechanism gradually moves inwards to clamp the hose, or the clamping mechanism gradually moves outwards to release the hose; the two fixed rods are arranged on the upper surface of the middle cover body in a centrosymmetric manner; the clamping mechanism comprises two adjusting sheets; one end of the adjusting sheet is fixedly connected with the fixed rod, and the other end of the adjusting sheet is movably arranged in the upper cover body; the adjusting sheet is gradually widened towards one end far away from the fixing rod; the adjusting rod is positioned between the adjusting sheet and the upper cover body; the outer side of the adjusting sheet is arc-shaped, and the inner side of the adjusting sheet is a plane.

2. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: the clamping mechanism also comprises two torsion springs which are respectively sleeved on the fixed rod; one end of the torsion spring is fixedly inserted into the cover body, and the other end of the torsion spring is fixedly connected to one end of the adjusting sheet close to the fixing rod.

3. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: the two fixed rods are respectively arranged on two sides of the upper surface of the middle cover body; the clamping mechanism is an elastic steel wire; the middle of the elastic steel wire is sleeved outside the hose; the two ends of the elastic steel wire are respectively S-shaped and sequentially wound on the fixed rod and the adjusting rod.

4. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: a cushion block is arranged in the upper cover body and is positioned above the inner adjusting ring; the inner diameter of the cushion block is equal to the outer diameter of the hose, and the outer diameter of the cushion block is equal to the inner diameter of the upper cover body.

5. The bottle cap with the adjustable pouring flow rate of claim 4, wherein: the cover cap is matched with the upper end of the cover body; the outer wall of the upper part of the upper cover body is provided with a clamping seat, and the outer wall of the clamping seat is provided with an outer buckling block which protrudes outwards in the radial direction; the cover cap is hinged with one side of the upper cover body far away from the outer buckling block; the cap is provided with an inner buckling part matched with the outer buckling block.

6. The bottle cap with the adjustable pouring flow rate of claim 5, wherein: an elastic pad is connected between the clamping seat and the cover body.

7. The bottle cap with the adjustable pouring flow rate of claim 5, wherein: the hinged part of the cap and the cover body is provided with a pull ring, and two ends of the pull ring are respectively connected with the cap and the cover body.

8. The bottle cap with the adjustable pouring flow rate of claim 5, wherein: a push sheet is arranged below the cap; the push sheet is positioned at one side close to the inner buckling part; when the cap covers the cover body, the distance between the push sheet and the cushion block is not more than 2 times of the thickness of the hose.

9. The bottle cap with the adjustable pouring flow rate of claim 8, wherein: a fixing piece is arranged on the cushion block; when the cap covers the cover body, the fixing piece is positioned on the inner side of the push piece, and the upper end face of the fixing piece is higher than the lower end face of the push piece; the axial height of the hose is greater than the sum of the heights of the cover body and the fixing piece.

10. The bottle cap with the adjustable pouring flow rate according to claim 9, wherein: the width of the push sheet and the fixed sheet is not less than that of the hose in a pressing state.

11. A bottle cap with adjustable pouring flow rate according to claim 4 or 8, wherein: the cushion block comprises a middle cushion block and an upper cushion block positioned on the middle cushion block; the inner diameter of the middle cushion block is equal to the outer diameter of the hose, and the outer diameter of the middle cushion block is equal to the inner diameter of the upper cover body; the inner diameter of the upper cushion block is not less than the outer diameter of the hose; the outer wall of the upper cushion block is detachably connected with the inner wall of the cover body.

12. The bottle cap with the adjustable pouring flow rate of claim 5, wherein: the cover cap is provided with a block close to the inner buckling block.

13. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: the lower sealing sheet and the hose are integrally manufactured.

14. A bottle cap with adjustable pouring rate according to claim 1 or 13, wherein: the outer wall of the lower sealing piece is detachably connected with the inner wall of the lower cover body.

15. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: the upper part and the lower part of the outer adjusting ring are respectively provided with a radial inward ring strip; the outer wall of the upper cover body is provided with a ring groove corresponding to the ring strip.

16. The bottle cap with adjustable pouring flow rate according to claim 15, wherein: the radial width of the ring strip is greater than the depth of the ring groove; the ring strip positioned at the lower part of the outer adjusting ring is provided with inwards concave notches, and the number of the notches is equal to that of the through grooves; the radian of the notch is matched with the gear column.

17. The bottle cap with the adjustable pouring flow rate according to claim 1, wherein: the through grooves are plural.