CN215664291U

CN215664291U - Liquid leakage proof bottle cap for plastic bottle

Info

Publication number: CN215664291U
Application number: CN202121582947.XU
Authority: CN
Inventors: 陈军; 王宠
Original assignee: Tianjin Yufan Plastic Products Co ltd
Current assignee: Tianjin Yufan Plastic Products Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-28
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a liquid leakage preventing bottle cap of a plastic bottle, which comprises a bottle body, a second support ring and a sleeve cap, wherein a discharge pipe is sleeved at the top of the bottle body, the outer wall of the discharge pipe is in threaded connection with the bottle cap, the outer wall of the second support ring is welded with a connecting rod, the other end of the connecting rod is welded with a first support ring, the inner part of the second support ring is in sliding connection with a sliding rod, the outer wall of the sliding rod is sleeved with a second spring, the left end of the sliding rod is welded with a limit block, the left end of the sliding rod is welded with a top block, the outer wall of the sleeve cap is in sliding connection with a rotating ring, the device has a simple structure and a novel design, solves the problem of liquid leakage of the bottle cap, can realize first-order liquid leakage prevention, can support the discharge pipe outwards, so that the discharge pipe can be better attached to the bottle cap, and can also play a role of extruding the bottle cap, therefore, the inner and outer matching can better prevent liquid leakage.

Description

Liquid leakage proof bottle cap for plastic bottle

Technical Field

The utility model relates to the field of plastic bottles, in particular to a liquid leakage preventing bottle cap of a plastic bottle.

Background

The plastic bottle is mainly made of polyethylene or polypropylene and various organic solvents, the plastic bottle is widely made of Polyester (PET), Polyethylene (PE) and polypropylene (PP), the corresponding organic solvents are added, the plastic bottle is heated at high temperature, and then the plastic bottle is subjected to blow molding, extrusion blowing or injection molding through a plastic mold, and is mainly used for liquid or solid disposable plastic packaging containers of beverages, foods, edible oil, agricultural and veterinary drugs and the like.

The bottle cap needs to be opened when the plastic bottle is used, and the bottle cap does not need to be closed when the plastic bottle is not used, so that the bottle cap is loosened after long-term use, liquid can flow out, waste can be caused by liquid flowing out, and a liquid leakage prevention device for the plastic bottle is urgently needed in the market.

Disclosure of Invention

In order to solve the technical problems in the background art, the utility model provides the liquid leakage preventing bottle cap for the plastic bottle, the device is simple in structure and novel in design, the problem of liquid leakage of the bottle cap is solved, the device can realize first-order liquid leakage prevention and can support the discharge pipe outwards, so that the discharge pipe can be better attached to the bottle cap, the device can also play a role in extruding the bottle cap, and the internal and external matching is better for preventing liquid leakage.

The utility model provides a liquid leakage preventing bottle cap for a plastic bottle, which comprises a bottle body, a second support ring and a sleeve cover, wherein a discharge pipe is sleeved at the top of the bottle body, the outer wall of the discharge pipe is in threaded connection with the bottle cap, a connecting rod is welded on the outer wall of the second support ring, a first support ring is welded at the other end of the connecting rod, a sliding rod is slidably connected inside the second support ring, a second spring is sleeved on the outer wall of the sliding rod, a limiting block is welded at the left end of the sliding rod, a top block is welded at the left end of the sliding rod, a rotating ring is slidably connected on the outer wall of the sleeve cover, a first spring is welded on the inner wall of the sleeve cover, an extrusion block is welded at the right end of the first spring, a rubber pad is welded at the right side of the extrusion block, a steel wire rope is welded at the left side of the rubber pad, and a fixing rod is welded outside the rotating ring.

Preferably, the outer wall of the discharge pipe is provided with threads, the inner wall of the bottle cap is provided with threads, and the threads arranged on the outer wall of the discharge pipe are matched with the threads arranged on the inner wall of the bottle cap.

Preferably, the outer wall of the second support ring is provided with a through hole, and the inner wall of the through hole formed in the outer wall of the second support ring is in sliding connection with the outer wall of the sliding rod.

Preferably, the other end of slide bar runs through the inner wall of first support ring and extends to the outside of first support ring and the left side welding of kicking block, the left end of second spring and the left side welding of kicking block, the right-hand member of second spring and the outer wall welding of first support ring.

Preferably, the inner wall of the rotating ring is welded with a sliding block, the outer wall of the sleeve cover is provided with a sliding groove, the sliding block welded on the inner wall of the rotating ring is placed in the sliding groove formed in the outer wall of the sleeve cover, and the top block is arc-shaped.

Preferably, the left end of the steel wire rope penetrates through the inner wall of the sleeve cover and extends to the outside of the rotating ring to be welded with the outer wall of the fixed rod.

Preferably, the ejector block, the second spring, the sliding rod, the limiting block and the connecting rod are all six and are annularly arranged in a row by a central shaft of the second support ring.

Preferably, the steel wire rope, the fixed rod, the first spring, the extrusion block and the rubber pad are all six and are annularly arranged in a row by a central shaft of the rotating ring.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. this plastic bottle leak protection liquid bottle lid, through mechanisms such as discharging pipe, slide bar, second lock ring, first lock ring, realized that the elastic potential energy through the second spring makes the kicking block support the inner wall of discharging pipe, make the outer wall laminating with the outer wall of bottle lid that the outer wall of discharging pipe can be better, and then realized first-order leak protection liquid, after the liquid in the bottle is whole to be used up, can take out the second lock ring through the hook, consequently can reuse.

2. This plastic bottle leak protection liquid bottle lid through mechanisms such as upper shield, dead lever, rotating ring, rubber pad, first spring, has realized under the elastic potential energy's of first spring effect, has realized first spring support extrusion piece, and the extrusion piece passes through rubber pad extrusion bottle lid, has consequently realized the extrusion to the bottle lid, has consequently realized the second order leak protection liquid, and the same principle can take away the upper shield.

3. The device has a simple structure and a novel design, solves the problem of leakage of the bottle cap, can realize first-order leakage prevention, can support the discharge pipe outwards, enables the discharge pipe to be better attached to the bottle cap, can also play a role in extruding the bottle cap, can better prevent leakage by matching the inside and the outside, and is suitable for wide popularization.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic top view of the first and second support rings of the present invention;

FIG. 4 is a schematic top view of the extrusion block and the cap of the present invention;

fig. 5 is a schematic structural diagram of the top block of the present invention.

Reference numerals:

1. a bottle body; 2. a discharge pipe; 3. a bottle cap; 4. a wire rope; 5. fixing the rod; 6. rotating the ring; 7. a first spring; 8. extruding the block; 9. a rubber pad; 10. covering; 11. a first support ring; 12. a second spring; 13. a top block; 14. a second support ring; 15. a slide bar; 16. a limiting block; 17. and (4) connecting.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the liquid leakage preventing bottle cap for plastic bottles according to the present invention comprises a bottle body 1, a second support ring 14 and a cap 10, wherein a discharge pipe 2 is sleeved on the top of the bottle body 1, a bottle cap 3 is screwed on the outer wall of the discharge pipe 2, a connecting rod 17 is welded on the outer wall of the second support ring 14, the distance between the first support ring 11 and the second support ring 14 can be ensured by the connecting rod 17, the first support ring 11 is welded on the other end of the connecting rod 17, a sliding rod 15 is slidably connected inside the second support ring 14, a second spring 12 is sleeved on the outer wall of the sliding rod 15, the second spring 12 can support a top block 13 on the first support ring 11, a limit block 16 is welded on the left end of the sliding rod 15, the top block 13 is welded on the left end of the sliding rod 15, a rotating ring 6 is slidably connected on the outer wall of the cap 10, a first spring 7 is welded on the inner wall of the cap 10, and a pressing block 8 is pressed by the elastic potential energy of the first spring 7, an extrusion block 8 is welded at the right end of the first spring 7, a rubber pad 9 is welded at the right side of the extrusion block 8, a steel wire rope 4 is welded at the left side of the rubber pad 9, and a fixed rod 5 is welded outside the rotating ring 6.

The outer wall of the discharging pipe 2 is provided with threads, the inner wall of the bottle cap 3 is provided with threads, the threads arranged on the outer wall of the discharging pipe 2 are matched with the threads arranged on the inner wall of the bottle cap 3, so that the discharging pipe 2 can be covered by directly screwing the bottle cap 3, the outer wall of the second support ring 14 is provided with a through hole, the inner wall of the through hole arranged on the outer wall of the second support ring 14 is in sliding connection with the outer wall of the sliding rod 15, the other end of the sliding rod 15 penetrates through the inner wall of the first support ring 11 and extends to the outside of the first support ring 11 to be welded with the left side of the top block 13, the left end of the second spring 12 is welded with the left side of the top block 13, the right end of the second spring 12 is welded with the outer wall of the first support ring 11, the inner wall of the rotating ring 6 is welded with a sliding block, the outer wall of the sleeve cap 10 is provided with a sliding block, and the sliding block welded with the inner wall of the rotating ring 6 is placed in the sliding groove arranged on the outer wall of the sleeve cap 10, so as to prevent the rotating ring 6 from shaking, the kicking block 13 is the arc, the left end of wire rope 4 runs through the inner wall of upper shield 10 and extends to the outside of turning circle 6 and the outer wall welding of dead lever 5, kicking block 13, second spring 12, slide bar 15, stopper 16, connecting rod 17 are six, consequently support that can be better, and with the annular permutation of the center pin of second lock ring 14, wire rope 4, dead lever 5, first spring 7, extrusion piece 8, rubber pad 9 are six, and with the annular permutation of center pin of turning circle 6, consequently better centre gripping.

In the utility model, the top of a bottle body 1 is sleeved with a discharge pipe 2, the thread of the discharge pipe 2 is rotatably sleeved with a bottle cap 3, so that a bottle is assembled, the outer wall of a sliding rod 15 slides with a second support ring 14 and a first support ring 11, and the first support ring 11 is connected with the second support ring 14 by a connecting rod 17, so that the inner wall of the first support ring 11 keeps a fixed distance with the outer wall of the second support ring 14, the elastic potential energy of a second spring 12 supports a top block 13, and a limiting block 16 prevents the sliding rod 15 from sliding out of the second support ring 14, so that the top block 13 is held on the inner wall of the discharge pipe 2, because the top block 13 is arc-shaped, the first support ring 11 and the second support ring 14 are pressed downwards, so that the top block 13 presses a second spring 12, because of the elastic potential energy of the second spring 12, the top block 13 supports the inner wall of the discharge pipe 2, so that the outer wall of the discharge pipe 2 can be better attached to the outer wall of the discharge pipe 3, and then first-order leakage prevention is realized, after the liquid in the bottle body 1 is completely used up, the second support ring 14 can be taken out through the hook, so the bottle can be used again, the sleeve cover 10 is held by a hand, the other hand drives the rotating ring 6 to rotate through the fixed rod 5, so the fixed rod 5 pulls the steel wire rope 4, the steel wire rope 4 pulls the extrusion block 8, so the rubber pad 9 is gradually close to the inner wall of the sleeve cover 10, the sleeve cover 10 is sleeved on the outer wall of the bottle cover 3, so the hand rotating the rotating ring 6 is loosened, under the action of the elastic potential energy of the first spring 7, the first spring 7 supports the extrusion block 8, the extrusion block 8 extrudes the bottle cover 3 through the rubber pad 9, so the extrusion of the bottle cover 3 is realized, second-order leakage prevention is realized, and the sleeve cover 10 can be taken away by the same principle.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims

1. The liquid leakage preventing bottle cap for the plastic bottle comprises a bottle body (1), a second support ring (14) and a sleeve cover (10), and is characterized in that a discharge pipe (2) is sleeved at the top of the bottle body (1), the outer wall of the discharge pipe (2) is in threaded connection with a bottle cap (3), a connecting rod (17) is welded on the outer wall of the second support ring (14), a first support ring (11) is welded at the other end of the connecting rod (17), a sliding rod (15) is slidably connected inside the second support ring (14), a second spring (12) is sleeved on the outer wall of the sliding rod (15), a limiting block (16) is welded at the left end of the sliding rod (15), a jacking block (13) is welded at the left end of the sliding rod (15), a rotating ring (6) is slidably connected on the outer wall of the sleeve cover (10), and a first spring (7) is welded on the inner wall of the sleeve cover (10), the right-hand member welding of first spring (7) has extrusion piece (8), the right side welding of extrusion piece (8) has rubber pad (9), the left side welding of rubber pad (9) has wire rope (4), the outer weld of rolling circle (6) has dead lever (5).

2. The leakage-proof bottle cap for plastic bottles of claim 1, characterized in that the outer wall of the discharge tube (2) is provided with threads, the inner wall of the bottle cap (3) is provided with threads, and the threads on the outer wall of the discharge tube (2) are matched with the threads on the inner wall of the bottle cap (3).

3. The leakage-proof bottle cap for plastic bottles of claim 1, wherein the outer wall of the second support ring (14) is provided with a through hole, and the inner wall of the through hole provided on the outer wall of the second support ring (14) is slidably connected with the outer wall of the sliding rod (15).

4. The leakage-proof bottle cap for plastic bottle as claimed in claim 1, wherein the other end of the sliding rod (15) penetrates through the inner wall of the first supporting ring (11) and extends to the outside of the first supporting ring (11) to be welded to the left side of the top block (13), the left end of the second spring (12) is welded to the left side of the top block (13), and the right end of the second spring (12) is welded to the outer wall of the first supporting ring (11).

5. The leakage-proof bottle cap for plastic bottles according to claim 1, wherein the inner wall of the rotating ring (6) is welded with a sliding block, the outer wall of the sleeve cap (10) is provided with a sliding groove, the sliding block welded to the inner wall of the rotating ring (6) is placed in the sliding groove formed in the outer wall of the sleeve cap (10), and the top block (13) is arc-shaped.

6. The leakage-proof bottle cap for plastic bottle as claimed in claim 1, wherein the left end of the steel cable (4) penetrates through the inner wall of the cap (10) and extends to the outside of the rotating ring (6) to be welded with the outer wall of the fixed rod (5).

7. The leakage-proof bottle cap for plastic bottles of claim 1, wherein the number of the top block (13), the second spring (12), the sliding rod (15), the limiting block (16) and the connecting rod (17) is six, and the top block, the second spring, the sliding rod, the limiting block and the connecting rod are annularly arranged in a row by a central axis of the second support ring (14).

8. The liquid leakage preventing bottle cap for plastic bottles of claim 1, wherein the number of the steel wire rope (4), the fixing rod (5), the first spring (7), the extrusion block (8) and the rubber pad (9) is six, and the six are arranged in an annular manner by a central shaft of the rotating ring (6).