CN211443525U

CN211443525U - Multilayer pesticide plastic bottle

Info

Publication number: CN211443525U
Application number: CN202020015843.XU
Authority: CN
Inventors: 冯建水
Original assignee: Hangzhou Puxin Plastic Packing Co ltd
Current assignee: Hangzhou Puxin Plastic Packing Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-08
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a multilayer pesticide plastic bottle relates to the technical field of plastic bottle. In the prior art, after the bottle is unsealed, the pesticide in the pesticide bottle is contacted with air due to the fact that the bottle cap and the bottle body are not tightly sealed, and active ingredients of the pesticide are oxidized by the air. This scheme includes the body and installs in the bottle lid of body top, the body outside-in is provided with multilayer structure, its characterized in that: a bottleneck is fixedly arranged at the joint of the bottle body and the bottle cap, an inner cover coaxial with the bottleneck is arranged in the bottleneck, the inner cover comprises a cylindrical sealing part with a downward sunken middle part, and a placing part which is flanged outwards and is attached to the upper end face of the bottleneck is arranged above the sealing part; the middle part of sealing portion runs through there is the liquid outlet, the bottle lid top is just installed near one side of body and is sealed the stopper, seal the stopper and set up with the liquid outlet butt. The scheme has the advantages of reducing the probability of contact between the pesticide and oxygen at the bottle cap and the bottle body and having the function of high sealing property.

Description

Multilayer pesticide plastic bottle

Technical Field

The utility model belongs to the technical field of the technique of plastic bottle and specifically relates to a multilayer pesticide plastic bottle is related to.

Background

The plastic bottle is mainly made of materials such as polyethylene or polypropylene and is added with various organic solvents, the plastic bottle widely uses polyester, polyethylene and polypropylene as raw materials, after the corresponding organic solvents are added, the plastic bottle is heated at high temperature and then passes through a plastic mold to be subjected to blow molding, extrusion blowing or injection molding to form a plastic container. In the prior art, the structures of a pesticide plastic bottle and a common beverage bottle and the like are basically consistent, the bottle body of the pesticide plastic bottle is composed of a multilayer structure body, and the pesticide plastic bottle can have the functions of high barrier property, oil resistance and corrosion resistance by adopting the structure bodies made of different materials.

Because the pesticide contains a plurality of chemical substances, the pesticide is very easily oxidized by oxygen after contacting with the outside air, so that the pesticide effect of the pesticide can be reduced or disappeared. The pesticide in the pesticide bottle can not be used up at one time, and a longer time interval is provided for the user to use the pesticide again, so that after the pesticide bottle is opened by the user, the pesticide in the pesticide bottle is contacted with the air for a long time due to the fact that the bottle cap and the bottle body are not tightly sealed, active ingredients of the pesticide are oxidized by the air, and the pesticide loses use value.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can reduce the probability that bottle lid and body department pesticide and oxygen contacted, and have the function of high leakproofness to prior art exists not enoughly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multilayer pesticide plastic bottle, includes the body and installs the bottle lid in the body top, body outside-in is provided with multilayer structure, its characterized in that: the bottle comprises a bottle body and a bottle cap, and is characterized in that a bottle neck is arranged at the joint of the bottle body and the bottle cap, the inner peripheral wall of the bottle cap and the outer peripheral wall of the bottle neck are in threaded connection, an inner cover coaxial with the bottle neck is installed in the bottle neck, the inner cover comprises a cylindrical sealing part with the middle part sunken downwards, the outer peripheral wall of the sealing part is abutted against the inner peripheral wall of the bottle neck, and a placing part which is flanged outwards and is attached to the upper end face of the bottle neck is arranged above the sealing; the middle part of sealing portion has run through the liquid outlet, be equipped with in the bottle lid and seal the stopper, the blind end of bottle lid with seal and be connected with the elastic component between the stopper, seal the stopper shutoff in the liquid outlet.

By adopting the technical scheme, the inner cover and the liquid outlet are arranged, so that the contact area of liquid and air can be reduced when the bottle cap of the pesticide plastic bottle is opened; the sealing plug is arranged to seal the liquid outlet when the bottle cap is screwed tightly, so that liquid in the bottle body is prevented from flowing out of the liquid outlet in the inner cap, the problem that pesticide in the pesticide plastic bottle is oxidized by air due to the fact that the bottle cap and the bottle body are not tightly sealed is solved, and the pesticide plastic bottle has a high-sealing function.

Further setting up, seal the stopper and be round platform column structure, the liquid outlet is circular structure, just seal the stopper and be located same axis with the liquid outlet, the lower extreme that seals the stopper stretches into the liquid outlet below, and seals the biggest external diameter of stopper and be greater than the liquid outlet external diameter.

Through adopting above-mentioned technical scheme, will seal the stopper and set up to round platform column structure, can conveniently seal the stopper and fill in liquid outlet department, can avoid simultaneously because seal the stopper and the not tight weeping problem that leads to of liquid outlet cooperation.

Further setting, the bottom of sealing is equipped with the curved surface of leaking hopper-shaped to the liquid outlet slope.

Through adopting above-mentioned technical scheme, can empty the back as the pesticide when the pesticide plastic bottle, remaining pesticide can follow the curved surface of sealing bottom in the inner cup, inside the liquid outlet reflux advances the body, improves the practicality of pesticide plastic bottle.

The drainage tube is further arranged, a vertical drainage tube extending downwards is arranged at the liquid outlet, an annular concave part flanging is arranged at the lower end of the sealing plug, a concave cavity sinking downwards is formed in the annular concave part, the drainage tube extends into the concave cavity, and the annular concave part and the drainage tube are made of soft elastic materials.

Through adopting above-mentioned technical scheme, after the pesticide plastic bottle has emptyd the pesticide, can stretch into the drainage tube below from the liquid outlet with the annular depressed part that seals the stopper, make the drainage tube be in the depressed cavity that the annular depressed part formed, make the depressed cavity storage of annular depressed part have liquid through rocking the pesticide plastic bottle to drainage tube, depressed cavity and liquid form liquid seal structure, further make the pesticide in the body isolated with external air, strengthen the sealing performance of pesticide plastic bottle.

Further, the lower end of the sealing plug is provided with a measuring column which vertically extends downwards, and the peripheral wall of the measuring column is provided with a scale area.

Through adopting above-mentioned technical scheme, when needs are measured surplus or the use amount of the liquid in the pesticide plastic bottle, thereby can rotate out the bottle lid and pull out the measurement post, through observing the wet line of demarcation of doing on the measurement post and comparing the scale region on the measurement post, know surplus or the use amount of pesticide in the pesticide plastic bottle, make things convenient for operating personnel to the accuse of pesticide quantity.

Further setting, the internal perisporium of inner cup is equipped with the guiding gutter of intercommunication portion of placing and closing, the guiding gutter communicates in the liquid outlet.

Through adopting above-mentioned technical scheme, can be when the pesticide in the body is emptyd, the pesticide can be followed the guiding gutter and flowed to the outside, avoids directly toppling over from bottleneck department because of the pesticide, and leads to the pesticide to flow to the body outer wall, makes the body outer wall dirty.

Further setting, the inner cup sets up with bottleneck internal perisporium joint, the periphery wall of sealing is equipped with the annular arch coaxial with the sealing, the internal perisporium of bottleneck is equipped with the annular clamping groove with the protruding joint of annular.

By adopting the technical scheme, when the inner cover needs to be disassembled, the placing part can be extruded by hand along the horizontal direction, so that the annular bulge is separated from the annular clamping groove, and then the inner cover is pulled out upwards, thereby being convenient to disassemble the inner cover; meanwhile, the annular protrusion and the annular clamping groove are arranged to prevent liquid in the pesticide plastic bottle from flowing out of a gap between the closed part and the inner peripheral wall of the bottleneck, and the sealing performance of the pesticide plastic bottle is improved.

Further setting, the upper end face of placing portion covers there is the rubber layer, the butt has the rubber ring between the bottom of bottle lid and the bottleneck.

Through adopting above-mentioned technical scheme, when the bottle lid screwed, the rubber layer of the inboard butt of bottle lid up end placed the portion up end, and the butt has the rubber ring between the bottom of bottle lid and the bottleneck, can strengthen the sealing performance of pesticide plastic bottle, prevents that outside air from entering into inside the pesticide plastic bottle.

Further, friction grains are arranged on the circumferential walls of the bottle cap and the bottle body, and the outermost layer of the bottle body is coated with a hard material.

By adopting the technical scheme, the friction lines are arranged, so that a user can conveniently take and use the pesticide plastic bottle; the outmost cladding of body has hard material, can improve the anti intensity and the compressive strength that fall of pesticide plastic bottle to improve the practicality of pesticide plastic bottle.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in the scheme, the arrangement of the inner cover and the sealing plug can reduce the probability of contact between pesticide and oxygen at the bottle cap and the bottle body, so that the pesticide plastic bottle has high sealing performance;

2. in the scheme, the drainage tube and the annular concave part are arranged to form a liquid seal structure, so that the high sealing performance of the pesticide plastic bottle is further enhanced;

3. in this scheme, the practicality of pesticide plastic bottle can be improved to the setting of guiding gutter, measurement post and friction line.

Drawings

Fig. 1 is a cross-sectional view of a first embodiment of the present invention.

Fig. 2 is a schematic view of the installation of fig. 1.

Fig. 3 is an enlarged view of a in fig. 1.

In the figure, 1, a bottle body; 2. a bottle cap; 3. rubbing the lines; 4. a bottleneck; 5. an inner cover; 6. a closing part; 7. a placement section; 8. an annular projection; 9. an annular clamping groove; 10. a rubber layer; 11. a rubber ring; 12. a liquid outlet; 13. sealing the plug; 14. an elastic member; 15. a curved surface; 16. a diversion trench; 17. a drainage tube; 18. an annular recess; 19. a recessed cavity; 20. a measuring column; 21. a layer of a copolymer of ethylene and vinyl alcohol; 22. a high density polyethylene layer; 23. an aluminum layer.

Detailed Description

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

As shown in fig. 1 and 2, for the utility model discloses a multilayer pesticide plastic bottle, including a bottle body 1 and a bottle cap 2 installed above the bottle body 1, the circumferential walls of the bottle cap 2 and the bottle body 1 are both provided with friction lines 3, the bottle body 1 is provided with a multilayer structure from outside to inside, wherein the bottle body 1 is provided with an ethylene and vinyl alcohol copolymer layer 21, a high density polyethylene layer 22 and an aluminum layer 23 from inside to outside in sequence, so as to improve the high barrier property and the anti-permeability of the pesticide plastic bottle; a bottleneck 4 is arranged at the joint of the bottle body 1 and the bottle cap 2, the bottle body 1 and the bottleneck 4 are fixedly connected, the inner circumferential wall of the bottle cap 2 is in threaded connection with the outer circumferential wall of the bottleneck 4, an inner cap 5 coaxial with the bottleneck 4 is installed in the bottleneck 4, the inner cap 5 comprises a cylindrical sealing part 6 with a downward-sunken middle part, a placing part 7 which is turned over outwards and is attached to the upper end face of the bottleneck 4 is arranged above the sealing part 6, the placing part 7 is in an annular structure, the maximum outer diameter of the placing part 7 is equal to the outer diameter of the outer circumferential wall of the bottleneck 4, the outer circumferential wall of the sealing part 6 is abutted against the inner circumferential wall of the bottleneck 4, an annular bulge 8 coaxial with the sealing part 6 is arranged on the outer circumferential wall of the sealing part 6, and an annular clamping groove 9 clamped; when the inner cover 5 needs to be disassembled, the placing part 7 can be squeezed by hand along the horizontal direction, so that the annular bulge 8 is separated from the annular clamping groove 9, and then the inner cover 5 is pulled out upwards, so that the inner cover 5 is convenient to disassemble; meanwhile, the arrangement of the annular bulge 8 and the annular clamping groove 9 can prevent liquid in the pesticide plastic bottle from flowing out of a gap between the closed part 6 and the inner peripheral wall of the bottleneck 4; the upper end surface of the placing part 7 is covered with a rubber layer 10, and a rubber ring 11 is abutted between the bottom of the bottle cap 2 and the bottle neck 4. When the bottle cap 2 is screwed, the inner side of the upper end face of the bottle cap 2 is abutted to the rubber layer 10 on the upper end face of the placing part 7, and the rubber ring 11 is abutted between the bottom of the bottle cap 2 and the bottle neck 4, so that external air can be prevented from entering the pesticide plastic bottle.

In addition, a liquid outlet 12 penetrates through the axis in the middle of the closed part 6, a rubber sealing plug 13 with elasticity is arranged in the bottle cap 2, an elastic part 14 is connected between the closed end of the bottle cap 2 and the sealing plug 13, the elastic part 14 can adopt a spring, the sealing plug 13 is of a circular truncated cone-shaped structure, the liquid outlet 12 is of a circular structure, the sealing plug 13 and the liquid outlet 12 are located on the same axis, the lower end of the sealing plug 13 extends into the lower portion of the liquid outlet 12, the maximum outer diameter of the sealing plug 13 is larger than the outer diameter of the liquid outlet 12, the sealing plug 13 and the liquid outlet 12 can be abutted against each other, liquid in the bottle body 1 is prevented from flowing out from the liquid outlet 12 in the inner cap 5, and the problem that pesticides in the pesticide plastic bottle are oxidized by air due to the fact that the bottle cap. The bottom of the closed part 6 is provided with a funnel-shaped curved surface 15 inclined towards the liquid outlet 12, and after the pesticide plastic bottle is poured with pesticide, residual pesticide on the inner cover 5 can flow back into the bottle body 1 from the liquid outlet 12 along the curved surface 15 at the bottom of the closed part 6. The inner peripheral wall of inner cup 5 is equipped with the guiding gutter 16 of intercommunication standing part 7 and closing part 6, and guiding gutter 16 communicates in liquid outlet 12. Can be when the pesticide in the body 1 emptys, the pesticide can follow guiding gutter 16 and flow to the outside, avoids directly toppling over from bottleneck department because of the pesticide, and leads to the pesticide to flow to body 1 outer wall, makes body 1 outer wall dirty.

As shown in fig. 2 and 3, a drainage tube 17 extending vertically and downwardly is disposed at the liquid outlet 12, an annular concave portion 18 flanging outwardly is disposed at the lower end of the sealing plug 13, a concave cavity 19 recessed downwardly is formed in the annular concave portion 18, the drainage tube 17 extends into the concave cavity 19, and the drainage tube 17 and the annular concave portion 18 are made of soft elastic material and can be made of rubber. Therefore, after the pesticide is poured into the pesticide plastic bottle, the annular concave part 18 of the sealing plug 13 can extend into the lower part of the drainage tube 17 from the liquid outlet 12, the sealing plug 13, the drainage tube 17 and the annular concave part 18 are made of soft elastic materials, the sealing plug 13 is plugged into the liquid outlet 12 downwards, the annular concave part 18 is driven to move downwards, the annular concave part 18 can enable the drainage tube 17 to expand outwards by extruding the drainage tube 17, the drainage tube 17 is restored when the annular concave part 18 descends to the bottommost end, the drainage tube 17 is located in the concave cavity 19 formed by the annular concave part 18, the concave cavity 19 of the annular concave part 18 can store liquid by shaking the pesticide plastic bottle, the drainage tube 17, the concave cavity 19 and the liquid can form a liquid seal structure, and the pesticide in the bottle body 1 is further isolated from the outside air.

The lower end of the sealing plug 13 is provided with a cylindrical measuring column 20 which vertically extends downwards, the peripheral wall of the measuring column 20 is provided with a scale area (not drawn out in the figure), when the surplus or the usage of the liquid in the pesticide plastic bottle needs to be measured, the bottle cap 2 can be screwed out so as to pull out the measuring column 20, the surplus or the usage of the pesticide in the pesticide plastic bottle can be known by observing a dry-wet boundary on the measuring column 20 and comparing the scale area on the measuring column 20, and an operator can conveniently control the usage of the pesticide.

The implementation principle of the embodiment is as follows: when the pesticide bottle cap is used by a user, the bottle cap 2 can be turned off, the sealing plug 13 is pulled out from the liquid outlet 12, pesticide in the pesticide plastic bottle flows out from the diversion trench 16, and the amount of the flowing pesticide is observed through the measuring column 20; after the use, the sealing plug 13 can be plugged into the liquid outlet 12, the annular concave part 18 of the sealing plug 13 can extend into the lower part of the drainage tube 17 from the liquid outlet 12, the drainage tube 17 is positioned in the concave cavity 19 formed by the annular concave part 18, then the pesticide plastic bottle is shaken to enable the concave cavity 19 of the annular concave part 18 to store liquid, a liquid sealing structure is formed, after the bottle cap 2 is screwed down, the sealing plug 13 can always abut against the liquid outlet 12 due to the action of the elastic part 14, and meanwhile, due to the action of the rubber layer 10 and the rubber ring 11, a cavity with high sealing performance is formed in the pesticide plastic bottle; thereby the probability that the pesticide plastic bottle reduces the contact of the pesticide and the oxygen at the bottle cap 2 and the bottle body 1 is realized, and the effect of high leakproofness is achieved.

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 multilayer pesticide plastic bottle, includes body (1) and installs bottle lid (2) in body (1) top, body (1) outside-in is provided with multilayer structure, its characterized in that: a bottleneck (4) is arranged at the joint of the bottle body (1) and the bottle cap (2), the bottle body (1) and the bottleneck (4) are fixedly connected, the inner peripheral wall of the bottle cap (2) and the outer peripheral wall of the bottleneck (4) are in threaded connection, an inner cover (5) coaxial with the bottleneck (4) is installed in the bottleneck (4), the inner cover (5) comprises a cylindrical sealing part (6) with a downward sunken middle part, the outer peripheral wall of the sealing part (6) is abutted against the inner peripheral wall of the bottleneck (4), and a placing part (7) which is flanged outwards and is attached to the upper end face of the bottleneck (4) is arranged above the sealing part (6); the middle part of sealing (6) is run through and is had liquid outlet (12), be equipped with in bottle lid (2) and seal stopper (13), the blind end of bottle lid (2) with seal and be connected with elastic component (14) between stopper (13), seal stopper (13) shutoff in liquid outlet (12).

2. The plastic multilayer bottle of claim 1, wherein: seal stopper (13) and be round platform column structure, liquid outlet (12) are circular structure, just seal stopper (13) and liquid outlet (12) and be located same axis, the lower extreme that seals stopper (13) stretches into liquid outlet (12) below, and seals the maximum external diameter that stopper (13) is greater than liquid outlet (12) external diameter.

3. The plastic multilayer bottle of claim 1, wherein: the bottom of the closed part (6) is provided with a funnel-shaped curved surface (15) inclined towards the liquid outlet (12).

4. The plastic multilayer bottle of claim 2, wherein: liquid outlet (12) department is equipped with vertical downwardly extending's drainage tube (17), seal stopper (13) lower extreme and be equipped with outside turn-ups annular depressed part (18), annular depressed part (18) are formed with undercut's sunken chamber (19), drainage tube (17) stretch into to sunken chamber (19) inside, annular depressed part (18) and drainage tube (17) adopt soft elastic material.

5. The plastic multilayer bottle of claim 1, wherein: the lower end of the sealing plug (13) is provided with a measuring column (20) which vertically extends downwards, and the peripheral wall of the measuring column (20) is provided with a scale area.

6. The plastic multilayer bottle of claim 1, wherein: the inner peripheral wall of inner cup (5) is equipped with guiding gutter (16) that intercommunication placed portion (7) and closing part (6), guiding gutter (16) communicate in liquid outlet (12).

7. The plastic multilayer bottle of claim 1, wherein: inner cup (5) set up with bottleneck (4) internal perisporium joint, the periphery wall of closing part (6) is equipped with the annular arch (8) coaxial with closing part (6), the internal perisporium of bottleneck (4) is equipped with annular clamping groove (9) with the annular arch (8) joint.

8. The plastic multilayer bottle of claim 1, wherein: the upper end face of the placing part (7) is covered with a rubber layer (10), and a rubber ring (11) is abutted between the bottom of the bottle cap (2) and the bottle neck (4).

9. The plastic multilayer bottle of claim 1, wherein: the friction lines (3) are arranged on the circumferential walls of the bottle cap (2) and the bottle body (1), and the outermost layer of the bottle body (1) is coated with a hard material.