CN110973028A - PET combination floater and cladding floater - Google Patents
PET combination floater and cladding floater Download PDFInfo
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- CN110973028A CN110973028A CN201911073389.1A CN201911073389A CN110973028A CN 110973028 A CN110973028 A CN 110973028A CN 201911073389 A CN201911073389 A CN 201911073389A CN 110973028 A CN110973028 A CN 110973028A
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- socket
- barrel
- floating ball
- pet
- butt
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- 238000005253 cladding Methods 0.000 title claims abstract description 6
- 238000007667 floating Methods 0.000 claims abstract description 119
- 238000003032 molecular docking Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 24
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 98
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 98
- 239000003292 glue Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 3
- 229920001903 high density polyethylene Polymers 0.000 description 17
- 239000004700 high-density polyethylene Substances 0.000 description 17
- 229920003023 plastic Polymers 0.000 description 13
- 239000004033 plastic Substances 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a PET combined floating ball and a cladding floating ball, wherein the PET combined floating ball comprises: a bellmouth barrel with a butt bellmouth; a socket barrel having a docking socket; the socket connection structure is used for connecting the butt-joint bell mouth and the butt-joint spigot mouth, so that the bell mouth barrel and the spigot mouth barrel form a closed integral hollow floating ball; the bellmouth bucket is the PET material, and the socket bucket is the PET material. According to the technical scheme, the socket barrel and the socket barrel made of the PET material are innovatively connected through the socket structure, the volume of the floating ball is increased to the maximum extent, the technical problem that the existing PET forming equipment is difficult to produce the floating ball with the volume of more than 200 liters is solved, the requirement that the volume of the floating ball of the offshore fishery net cage reaches 250 liters is met, two barrel shoulders close to the butt joint positions of the two barrel bodies are used for forming two radial supporting structures at the middle position of the floating ball, the ring stiffness of the floating ball is greatly improved, and the floating ball is guaranteed not to collapse and deform in the using process.
Description
Technical Field
The invention relates to the technical field of floating balls for fishery, in particular to a PET (polyethylene terephthalate) combined floating ball and a coating floating ball.
Background
A large amount of floating balls are needed in aquaculture equipment, the floating balls are mainly used for providing buoyancy, and if the floating balls are used for lifting the net cage or laying a plate surface above the net cage to bear weight and the like, the pressure bearing is large, and the floating balls are needed to have long service life.
The floating ball in the prior art is generally made of HDPE (high density polyethylene) material, and the floating ball made of the material has low cost and light weight, and is widely applied in practice. However, the HDPE floating ball is low in strength and low in pressure bearing capacity, and is easy to leak water and lose efficacy after being collided or scratched; in addition, even if the HDPE floating ball is intact, the HDPE plastic has density smaller than that of water, gaps among molecules are larger, the HDPE plastic belongs to oxygen permeable plastic, and after the HDPE plastic is soaked in seawater for a long time, oxygen permeable water seepage can be caused, so that buoyancy is reduced, and further the use value is lost.
The inventor knows that the PET material has excellent performance, for example, the elastic modulus is 4 times of that of HDPE, the density is 1.5 times of that of HDPE, the PET material has the advantages of high strength, oxygen impermeability and water impermeability, and if the PET material is applied to the floating ball, the problems of low strength and short service life can be solved. Meanwhile, the inventor finds that in reality, the PET polyester material is widely applied to the field of containing various liquids, such as bottles or barrels with thin wall thicknesses, and the PET polyester material is not deformed after being subjected to enough internal pressure, but is not used for floating balls of net cages, because the PET material is difficult to be made into hollow containers (such as large floating balls) with large volumes due to the limitation of technology and equipment. Therefore, how to obtain the PET floating ball which has larger volume and can be used in the aquaculture net cage with low cost on the basis of the prior art is a technical problem which is not solved in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical defect that in the prior art, due to equipment and technical limitations, PET materials are difficult to be made into a hollow closed container with a larger volume to be used as a floating ball, so that the PET combined floating ball which is low in cost and can be used for a fishery aquaculture net cage is provided.
The invention also provides a coating floating ball.
Therefore, the invention provides a PET combined floating ball, which comprises:
a bellmouth barrel with a butt bellmouth;
a socket barrel having a docking socket fittable into the docking socket interior;
the socket connection structure is used for connecting the butt socket and the butt socket, so that the socket barrel and the socket barrel are connected through socket to form a hollow closed floating ball;
the bellmouth bucket is the PET material, and/or the socket bucket is the PET material.
As a preferable scheme, the method further comprises the following steps:
at least one barrel with two open ends is arranged between the bellmouth barrel and the socket barrel and is provided with a butt-joint bellmouth and a butt-joint socket;
the socket connection structure is used for connecting the butt-joint bell mouth and the butt-joint socket, so that the bell mouth barrel, at least one barrel with openings at two ends and the socket barrel are connected end to end, and the barrels with openings at two ends are in socket connection with the bell mouth barrel and the socket barrel at two sides to form a hollow closed floating ball;
the two ends of the barrel with openings are made of PET material.
The invention provides a PET combined floating ball, which comprises:
two bellmouth barrels are provided with butt bellmouths respectively;
the bucket with two open ends is provided with two butt joint sockets which can be respectively inserted into the butt joint bellmouths and is arranged between the two bellmouth buckets;
the socket connection structure is used for connecting the butt-joint bell mouth and the butt-joint spigot so that the bell mouth barrel, the barrels with openings at two ends and the bell mouth barrel are connected end to carry out socket connection to form a hollow closed floating ball;
or may comprise, in combination with the above-mentioned,
two socket barrels are provided with butt sockets respectively;
the barrel with two open ends is provided with two butt joint sockets which can be inserted by the butt joint sockets respectively and is arranged between the two socket barrels;
the socket joint structure is used for connecting the butt joint bell mouth and the butt joint socket, so that the socket barrel, the barrel with openings at two ends and the socket barrel are connected end to carry out socket joint to form a hollow closed floating ball;
the two ends of the barrel with openings are made of PET material.
As a preferable scheme, the female connection structure includes:
the first matching connection structure is arranged on the inner wall of the butt joint socket;
the second matching connection structure is arranged on the outer wall of the butt joint socket;
when the butt-joint socket is inserted into the butt-joint socket, the second matching connection structure is in close matching socket connection with the first matching connection structure.
As a preferred scheme, the first matching connection structure is an annular clamping groove arranged on the inner wall of the butt socket;
the second matching connection mechanism is an annular convex ring arranged on the outer wall of the butt joint socket.
As a preferred scheme, an annular clamping ring is arranged on the outer side of the annular clamping groove, and the inner diameter of the annular clamping ring is smaller than the outer diameter of the annular convex ring.
As a preferable scheme, the socket connection structure further comprises a glue bonding layer, and the glue bonding layer is coated on the inner wall of the first matching connection structure or the outer wall of the second matching connection structure before socket connection; after the socket connection is completed, the glue bonding layer is positioned between the inner wall of the socket and the outer wall of the spigot.
As a preferable scheme, the socket connection structure further includes:
a first connection face arranged on the inner wall of the butt socket;
the second connecting surface is arranged on the outer wall of the butt-joint socket;
after the butt-joint socket is inserted into the butt-joint socket, the first connecting surface is opposite to the second connecting surface and is bonded and connected through the glue bonding layer.
Preferably, the first connection surface is arranged between the ring-shaped clamping groove and the barrel body;
the second connecting surface is arranged on one side, far away from the barrel body, of the annular convex ring.
As a preferable scheme, an annular glue accommodating groove is formed in the second connecting surface.
As a preferable scheme, the socket connection structure further includes:
the annular groove is arranged on the second connecting surface;
and the sealing ring is arranged inside the annular groove.
As a preferable scheme, the cross sections of the body of the bellmouth barrel and the body of the socket barrel are circular, square or circular, and a plane structure is taken;
and/or the outer wall of the bellmouth barrel or the socket barrel is provided with ripples in a surrounding mode.
As a preferable scheme, the cross section of the barrel with the two open ends is circular, square or circular, and a plane structure is taken;
and/or the outer wall of the barrel with two open ends is provided with ripples in a surrounding way.
The invention also provides a coating floating ball which comprises a PET combined floating ball and a coating layer coated on the outer wall of the PET combined floating ball, wherein the PET combined floating ball is any one of the PET combined floating balls.
The invention also provides a coating floating ball which comprises a PET combined floating ball and a coating layer coated on part or all of the side wall of the PET combined floating ball, wherein the PET combined floating ball is any one of the PET combined floating balls.
The technical scheme provided by the invention has the following advantages:
1. the two PET combined floating balls of the invention have the following structural principle: the method comprises the following steps of designing the barrel mouth of one hollow barrel into a socket form, designing the barrel mouth of the other hollow barrel into a socket form, enabling the barrel mouths of the two hollow barrels to be opposite, uniformly coating a layer of PET special glue on the position of a socket contact surface, heating a clamping ring in the socket to soften the clamping ring, carrying out socket connection, inserting a socket convex ring with the diameter larger than the inner diameter of a socket clamping ring into the socket clamping groove, cooling the socket clamping ring, and enabling the diameter to recover to the size smaller than the outer diameter of the clamping ring of the socket convex ring before heating so that the socket and the socket cannot be pulled out again. The connecting surface of the socket and the connecting surface of the spigot are tightly matched, and after the glue is solidified, a two-in-one PET combined floating ball is formed.
2. The invention relates to a PET combined floating ball, which is a structural principle of combining more than two PET combined floating balls, taking three as examples, designing a PET hollow cylinder with two open ends, placing the hollow cylinder in the middle, placing two PET barrels with two open ends at two ends, wherein a barrel opening is opposite to a barrel opening of the middle cylinder, designing a socket joint connector matched with the PET hollow cylinder, heating a bell snap ring to be softened, uniformly coating glue outside the socket, extruding the two hollow barrels at two ends to the middle, and combining the three hollow PET barrels into a three-in-one PET combined floating ball. The assembling method of the more than three PET combined floating balls is only to increase the number of hollow cylinders with openings at two ends, well designs a socket connection mode, and adopts the same socket connection mode to combine the hollow cylinders together to form the integral three-in-one or multi-in-one PET combined floating ball.
3. The PET combined floating ball is made of PET polyester plastic with the elastic modulus (4000Mpa) four times that of HDPE (900Mpa), and the ring stiffness of the PET combined floating ball is improved by several times; the density (1.46g/ml) of the PET plastic after blow molding is 1.53 times that of HDPE plastic (0.95g/ml), and the water-proof floating ball overcomes the water-proof defect of the HDPE floating ball. The annular ripple depth is the same as that of the HDPE floating ball, the ring stiffness is improved by multiple times, and the ring stiffness per square meter is ensured to be more than 4KN per square meter; compared with the traditional HDPE blow molding floating ball, each PET combined floating ball is additionally provided with two radial supporting barrel shoulders, so that the ring stiffness of the floating ball is greatly improved, and the floating ball is prevented from collapsing and deforming in the using process; the aging resistance of the PET plastic is higher than that of polyolefin plastics such as HDPE, and the service life of the PET plastic is far longer than that of the existing HDPE hollow blow molding floating ball.
Drawings
To more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
Fig. 1 is a schematic view of the construction of the bellmouth cask of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a schematic structural view of the socket barrel of the present invention.
Fig. 5 is an enlarged schematic view of the structure of part B in fig. 4.
Fig. 6 is a cross-sectional view of fig. 4.
Fig. 7 is a schematic view of the combined structure of fig. 1 and 4.
Fig. 8 is an enlarged schematic view of the structure of the portion C in fig. 7.
Fig. 9 is a schematic view of fig. 7 with a cladding layer added.
Fig. 10 is an enlarged schematic view of the structure of portion D in fig. 9.
Fig. 11 is a combination diagram of a structure form of an annular glue holding groove.
Fig. 12 is an enlarged schematic view of a structure of a portion E in fig. 11.
FIG. 13 is a schematic view of the structure of the bellmouth barrel, the socket barrel and the barrel with two open ends after connection.
Fig. 14 is a schematic view of the clad layer of fig. 13.
Fig. 15 is a schematic structural view of the socket barrel and the socket barrel having a square cross section after being connected.
Figure 16 is a cross-sectional view of the socket tub of figure 15.
Figure 17 is a schematic view of the structure of the socket barrel and the socket barrel after connection, wherein the socket barrel and the socket barrel are circular and take one plane.
Figure 18 is a cross-sectional view of the socket tub of figure 17.
Fig. 19 is a schematic view of a drum with a circular cross section and two open ends.
Fig. 20 is a cross-sectional view of fig. 19.
Figure 21 is a schematic view of a bucket open at both ends with a cross-section that is circular and taken on a flat surface.
Fig. 22 is a cross-sectional view of fig. 21.
Fig. 23 is a schematic view of a structure of a two-end opened tub having a square cross section.
Fig. 24 is a cross-sectional view of fig. 23.
Reference numerals: 1. a bellmouth barrel; 11. butting a socket; 12. an annular neck; 13. a first connection face; 14. an annular snap ring; 2. a socket barrel; 21. a socket is butted; 22. a spigot annular convex ring; 23. a second connection face; 3. a barrel with two open ends; 4. an annular glue containing groove; 5. an annular groove; 6. a seal ring; 7, corrugation; 8. and (4) coating.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the attached drawings of the specification.
Example 1
The present embodiment provides a PET combination floating ball, as shown in fig. 1, 4 and 7, including: a bellmouth barrel 1 having a butt bellmouth 11; a socket barrel 2 having a docking socket 21 fittingly insertable into the interior of the docking socket 11; the socket connection structure is used for connecting the butt socket 11 and the butt socket 21 so that the socket barrel 1 and the socket barrel 2 form a hollow closed floating ball; the bellmouth bucket 1 is the PET material, socket bucket 2 is the PET material.
In this embodiment, the mouthpiece barrel 1 has a circular cross-section, and the receptacle barrel 2 has a circular cross-section, as shown in fig. 3 and 6. The docking socket 11 and the docking socket 21 are both blow molded art mouths.
As a variant, the cross-section of the socket tub 1 or the socket tub 2 may also be square (as shown in fig. 15 and 16) or circular in a planar configuration (as shown in fig. 17 and 18).
The PET combined floating ball of the embodiment comprises a socket barrel 1 and a socket barrel 2, wherein the socket barrel 1 is provided with a butt-joint socket 11, the socket barrel 2 is provided with a butt-joint socket 21 which can be inserted into the butt-joint socket 11 in a matching manner, and the butt-joint socket 11 and the butt-joint socket 21 are in socket joint connection by adopting a socket joint structure, so that the socket barrel 1 and the socket barrel 2 form a closed integral hollow floating ball; according to the technical scheme, the socket barrel 1 and the socket barrel 2 made of the PET materials are innovatively connected through the socket structure, the volume of the floating ball is increased to the maximum extent, the technical problem that the existing PET forming equipment is difficult to produce floating balls of more than 200 liters is solved, the requirement that the volume of the floating ball of the water fishery net cage reaches 250 liters is met, two barrel shoulders close to butt joint positions of two barrel bodies are used for forming two radial supporting structures at the middle position of the floating ball, the ring stiffness of the floating ball is greatly improved, and collapse and deformation are avoided in the using process.
Socket joint connection structure includes: the first matching connection structure is arranged on the inner wall of the butt joint socket 11; a second mating connection structure provided on an outer wall of the docking socket 21; when the butt-joint spigot 21 is inserted into the butt-joint socket 11, the second matching connection structure is in matching socket connection with the first matching connection structure, so that a sealed floating ball combined into a whole is realized.
In this embodiment, as shown in fig. 2, 5 and 8, the first mating connection structure is an annular slot 12 disposed on an inner wall of the docking socket 11; the second mating connection means is an annular protruding ring 22 arranged on the outer wall of the docking socket 21. When the butt socket 11 and the butt socket 21 are matched and connected in a socket manner, the annular convex ring 22 penetrates through the annular snap ring 14 after being heated and softened and reaches the inside of the annular snap ring 12, the inner diameter of the snap ring 14 is recovered to the original size after being cooled, the outer diameter of the annular convex ring 22 is attached to the inner wall of the annular snap ring 12, the inner diameter of the annular snap ring 14 is smaller than the outer diameter of the annular convex ring, at the moment, the socket 11 and the socket 22 cannot be separated, the thermal expansion is inserted into the cooling reducing buckle for connection, and the two barrel bodies are combined into one.
The socket connection structure further comprises an adhesive layer coated between the first mating connection structure and the second mating connection structure. The adhesive layer bonds the inner wall of the socket 11 and the outer wall of the spigot 22 into a whole, so that water is not leaked, and in the embodiment, special glue for PET is used.
Preferably, an annular snap ring 14 is arranged on the outer side of the annular snap groove 12, and the inner diameter of the annular snap ring 14 is smaller than the outer diameter of the annular convex ring 22. The socket connection between the butt socket 11 and the butt socket 12 cannot be performed at normal temperature, and only by heating the butt socket 11 of the socket barrel 1 to soften the same, the annular convex ring 22 of the butt socket 21 can be pushed into the annular groove 12 of the butt socket 11. After cooling, the annular snap ring 12 abutting against the socket 11 contracts, the inner diameter is reduced and is smaller than the outer diameter of the annular convex ring 22, and the two barrel bodies cannot be separated. Special glue for PET is coated between the butt socket 11 and the butt socket 12, after the glue is solidified, the connection tightness is improved, the connection firmness is also improved to a certain degree, and good sealing, no water inflow and firm connection after socket connection are ensured.
According to the technical scheme, the memory characteristic of plastic is skillfully used, the annular snap ring 14 of the bellmouth barrel 1 with the diameter smaller than that of the annular convex ring 22 of the inserting barrel 2 is heated to be softened, and after socket connection is completed, the original diameter size is restored by cooling at normal temperature, so that the two barrels are combined into one.
As shown in fig. 8, the connection structure further includes: a first connection face 13 provided on an inner wall of the docking socket 11; a second connection face 23 provided on an outer wall of the docking socket 21; after the second docking port 21 is inserted into the docking socket 11, the first connection surface 13 and the second connection surface 23 are opposite and tightly matched, and are connected by gluing. The purpose of further providing the first joint face 13 and the second joint face 23 and using glue for joining is to improve the sealing property and ensure that no water can enter the interior of the tub from the joining position.
In this embodiment, the first connection surface 13 is disposed between the ring slot 12 and the barrel; the second connecting surface 23 is arranged on the side of the annular convex ring 22 away from the barrel.
As a modified design, as shown in fig. 12, the second connecting surface 23 is provided with an annular glue receiving groove 4. When glue is applied to the first connecting surface 13 and/or the second connecting surface 23, a part of glue can be retained in the annular glue accommodating groove 4, so that a complete annular glue seal is formed at least at the position of the annular glue accommodating groove 4, and the untight seal caused by uneven glue application is avoided.
As a variant, the annular glue receiving groove 4 can also be provided on the first connection surface 13, or on both the first connection surface 13 and the second connection surface 14.
As another sealing solution, the female connection structure includes: an annular recess 5 provided on said first connection face 13 and/or said second connection face 23; and a seal ring 6 mounted inside the annular groove 5. And the sealing waterproof performance is further improved by adopting a sealing ring form.
Preferably, as shown in fig. 1 and 4, the outer wall of the socket barrel 1 or the socket barrel 2 is provided with corrugations 7 around, which further improves the ring stiffness.
The technical scheme of this embodiment can effectively solve the low, oxygen permeation water permeability scheduling problem that permeates water of intensity that current HDPE plastics cavity blow molding floater brought, is showing the whole quality that has promoted the floater, satisfies fishery cage culture to the security and the long-term requirement of using of plastics floater.
Example 2
The present embodiment provides a PET combination floating ball, as shown in fig. 13, including: the two bellmouth barrels 1 are provided with butt bellmouths 11; the barrel 3 with two open ends is provided with two butt joint sockets 21 which can be respectively inserted into the butt joint bellmouths 11 and is arranged between the two bellmouth barrels 1; the socket connection structure is used for connecting the butt-joint bell mouth 11 and the butt-joint socket 21, so that the bell mouth barrel 1, the barrel 3 with openings at two ends and the bell mouth barrel 1 are connected end to form a hollow closed floating ball; the bellmouth barrel 1 and the two-end opening barrel 3 are both made of PET materials.
The docking socket 11, the docking socket 21 and the connecting structure in this embodiment are the same as those in embodiment 1, and are not described herein again.
This PET combination floater of implementing can satisfy the floater length needs when having three staving length, in addition, sets up two the same butt joint socket 21 on both ends opening bucket 3, can simplify production technology.
As a variant, reference is likewise made to fig. 13: the PET combination floating ball of this embodiment can include:
two socket barrels 2 having docking sockets 21; a tub 3 having both ends opened, having two docking sockets 11 into which the docking sockets 21 can be inserted, respectively, and disposed between the two socket tubs 2; and the socket connection structure is used for connecting the butt socket 11 and the butt socket 21, so that the socket barrel 1, the barrels 3 with openings at two ends and the socket barrel 1 are connected end to form a hollow closed floating ball.
The cross-sectional shape of the barrel 3 with two open ends may be circular (as shown in fig. 19 and 20), square (as shown in fig. 23 and 24) or a plane on the circle (as shown in fig. 21 and 22), so as to meet different use requirements.
Example 3
The present embodiment provides a PET combination floating ball, as shown in fig. 13, including: a bellmouth barrel 1 having a butt bellmouth 11; a socket barrel 2 having a docking socket 21 fittingly insertable into the interior of the docking socket 11; at least one barrel 3 with two open ends is arranged between the bellmouth barrel 1 and the socket barrel 2 and is provided with a butt bellmouth 11 and a butt socket 21; the socket connection structure is used for connecting the butt-joint bell mouth 11 and the butt-joint spigot 21, so that the bell mouth barrel 1, at least one barrel 3 with openings at two ends and the spigot barrel 2 are connected end to form a hollow closed floating ball; the two-end opening barrel 3 is made of PET material.
According to the structural design of the embodiment, the number of the barrels 3 with the openings at the two ends can be flexibly selected according to the requirement, so that the requirement of different using positions on the length of the floating ball is met.
The cross-sectional shape of the barrel 3 with two open ends may be circular (as shown in fig. 19 and 20), square (as shown in fig. 23 and 24) or circular (as shown in fig. 21 and 22) cut by a straight line, which may or may not correspond to the socket barrel 1 and the socket barrel 2, so as to meet different use requirements.
Example 4
The embodiment provides a coating floating ball, which comprises a PET combined floating ball and a coating layer 8 coated outside the PET combined floating ball, wherein the PET combined floating ball is the PET combined floating ball described in any one of embodiments 1, 2 or 3.
The coating floating ball of the embodiment has all the advantages brought by the PET combined floating ball structure due to the adoption of the PET combined floating ball structure.
Example 5
The present embodiment provides a coated floating ball, as shown in fig. 9-10 and 14, including a PET combined floating ball and a coating layer 8 coated on a part of or all of a sidewall of the PET combined floating ball, where the PET combined floating ball is the PET combined floating ball described in any one of embodiments 1, 2 or 3.
The coating floating ball of the embodiment has all the advantages brought by the PET combined floating ball structure due to the adoption of the PET combined floating ball structure.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (15)
1. A PET combination floater which characterized in that: the method comprises the following steps:
a bellmouth barrel (1) having a butt bellmouth (11);
a socket barrel (2) having a docking socket (21) fittingly insertable into the interior of the docking socket (11);
the socket connection structure is used for connecting the butt socket (11) and the butt socket (21) so that the socket barrel (1) and the socket barrel (2) form a hollow closed floating ball;
the bellmouth barrel (1) is made of PET material, and/or the socket barrel (2) is made of PET material.
2. The PET combination floating ball according to claim 1, wherein: further comprising:
at least one barrel (3) with two open ends is arranged between the bellmouth barrel (1) and the socket barrel (2) and is provided with a butt bellmouth (11) and a butt socket (21);
the socket connection structure is used for connecting the butt-joint bell mouth (11) and the butt-joint socket (21), so that the bell mouth barrel (1), at least one barrel (3) with openings at two ends and the socket barrel (2) are connected end to end, and the barrels (3) with openings at two ends are in socket connection with the bell mouth barrels (1) and the socket barrels (2) at two sides to form a hollow closed floating ball;
the two ends of the barrel (3) are opened and made of PET material.
3. A PET combination floater which characterized in that: the method comprises the following steps:
two bellmouth barrels (1) are provided with butt bellmouths (11);
the bucket (3) with two open ends is provided with two butt joint sockets (21) which can be respectively inserted into the butt joint bellmouths (11) in a matched manner and is arranged between the two bellmouth buckets (1);
the socket connection structure is used for connecting the butt-joint bell mouth (11) and the butt-joint spigot (21) so that the bell mouth barrel (1), the barrel (3) with openings at two ends and the bell mouth barrel (1) are connected end to end for socket connection to form a hollow closed floating ball;
or may comprise, in combination with the above-mentioned,
two socket barrels (2) are provided with butt socket (21);
a double-end-opening barrel (3) which is provided with two butt socket openings (11) which can be inserted by the butt socket openings (21) respectively and is arranged between the two socket barrels (2);
the socket connection structure is used for connecting the butt socket (11) and the butt socket (21) so that the socket barrel (2), the barrel (3) with openings at two ends and the socket barrel (2) are connected end to carry out socket connection to form a hollow closed floating ball;
the bellmouth barrel (1) is made of PET (polyethylene terephthalate), the socket barrel (2) is made of PET, and/or the two ends of the barrel (3) with openings are made of PET.
4. The floating ball of PET combination according to any one of claims 1-3, wherein: socket joint connection structure includes:
the first matching connection structure is arranged on the inner wall of the butt joint socket (11);
a second mating connection structure provided on an outer wall of the docking socket (21);
when the butt-joint inserting opening (21) is inserted into the butt-joint socket opening (11), the second matching connection structure is in close matching socket connection with the first matching connection structure.
5. The PET combination floating ball according to claim 4, wherein:
the first matching connection structure is an annular clamping groove (12) arranged on the inner wall of the butt joint socket (11);
the second matching connection mechanism is an annular convex ring (22) arranged on the outer wall of the butt joint inserting opening (21).
6. The PET floating ball combination according to claim 5, wherein: the outer side of the annular clamping groove (12) is provided with an annular clamping ring (14), and the inner diameter of the annular clamping ring (14) is smaller than the outer diameter of the annular convex ring (22).
7. The PET floating ball combination according to claim 4, wherein: the socket connecting structure further comprises a glue bonding layer, and the glue bonding layer is coated on the inner wall of the first matching connecting structure or the outer wall of the second matching connecting structure before socket connection; after the socket connection is completed, the glue bonding layer is positioned between the inner wall of the socket and the outer wall of the spigot.
8. The PET combination floating ball according to claim 7, wherein: socket joint connection structure still includes:
a first connection face (13) arranged on an inner wall of the docking socket (11);
a second connection face (23) provided on an outer wall of the docking socket (21);
after the butt socket (21) is inserted into the butt socket (11), the first connecting surface (13) is opposite to the second connecting surface (23) and is bonded and connected through the glue bonding layer.
9. The PET combination floating ball according to claim 8, wherein:
the first connecting surface (13) is arranged between the ring-shaped clamping groove (12) and the barrel body;
the second connecting surface (23) is arranged on one side, far away from the barrel body, of the annular convex ring (22).
10. The PET combination floating ball according to claim 8 or 9, wherein: and an annular glue accommodating groove (4) is formed in the second connecting surface (23).
11. The PET combination floating ball according to claim 8, wherein: socket joint connection structure still includes:
an annular groove (5) provided on the second connection face (23);
and the sealing ring (6) is arranged inside the annular groove (5).
12. The PET combination floating ball according to claim 1, wherein: the cross sections of the body of the bellmouth barrel (1) and the body of the socket barrel (2) are circular, square or circular, and a plane structure is taken;
and/or the outer wall of the bellmouth barrel (1) or the socket barrel (2) is provided with ripples (7) in a surrounding way.
13. The PET combination floating ball according to claim 2 or 3, wherein: the cross section of the barrel (3) with the two open ends is circular, square or circular, and a plane structure is taken;
and/or the outer wall of the barrel (3) with two open ends is provided with corrugations (7) in a surrounding way.
14. A cladding floater, its characterized in that: the floating ball comprises a PET combined floating ball and a coating layer (8) coated on the outer wall of the PET combined floating ball, wherein the PET combined floating ball is the PET combined floating ball in any one of claims 1-13.
15. A cladding floater, its characterized in that: the floating ball comprises a PET combined floating ball and a coating layer (8) coated on part or all of the side wall of the PET combined floating ball, wherein the PET combined floating ball is the floating ball as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073389.1A CN110973028A (en) | 2019-11-06 | 2019-11-06 | PET combination floater and cladding floater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073389.1A CN110973028A (en) | 2019-11-06 | 2019-11-06 | PET combination floater and cladding floater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110973028A true CN110973028A (en) | 2020-04-10 |
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ID=70083125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911073389.1A Pending CN110973028A (en) | 2019-11-06 | 2019-11-06 | PET combination floater and cladding floater |
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| Country | Link |
|---|---|
| CN (1) | CN110973028A (en) |
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