CN220060996U - Anti-drop copper inserts for PPR union coupling - Google Patents
Anti-drop copper inserts for PPR union coupling Download PDFInfo
- Publication number
- CN220060996U CN220060996U CN202321152198.6U CN202321152198U CN220060996U CN 220060996 U CN220060996 U CN 220060996U CN 202321152198 U CN202321152198 U CN 202321152198U CN 220060996 U CN220060996 U CN 220060996U
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- CN
- China
- Prior art keywords
- annular
- groove
- base member
- base body
- ring
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 37
- 239000010949 copper Substances 0.000 title claims abstract description 37
- 230000008878 coupling Effects 0.000 title claims description 4
- 238000010168 coupling process Methods 0.000 title claims description 4
- 238000005859 coupling reaction Methods 0.000 title claims description 4
- 238000001746 injection moulding Methods 0.000 claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 210000002310 elbow joint Anatomy 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000002991 molded plastic Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an anti-drop copper insert for a PPR pipe elbow joint, which comprises a base body, wherein a communication hole penetrating through the base body is axially formed along the base body, an internal thread is arranged in the communication hole, a bearing surface is annularly arranged at the top of the base body along the circumferential direction of the base body, a plurality of clamping pieces are uniformly annularly arranged below the bearing surface along the circumferential direction of the base body, a plurality of annular sealing grooves for placing sealing rings are formed in the base body, and a reinforcing member is arranged at the bottom of the base body. According to the utility model, the annular clamping ring and the injection molding reinforcing cavity are sequentially arranged on the base body from top to bottom, so that the stability of the copper insert can be greatly improved, the copper insert is prevented from falling off from the joint, and meanwhile, the annular clamping groove and the annular sealing groove are respectively arranged between the annular clamping ring and the injection molding reinforcing cavity, so that double sealing can be realized, and water leakage is avoided.
Description
Technical Field
The utility model relates to the technical field of water heating hardware, in particular to an anti-falling copper insert for a PPR pipe elbow joint.
Background
The PPR pipe, also called as tripropylene pipe, random copolymer polypropylene pipe or PPR pipe, is a pipe material using random copolymer polypropylene as raw material, and compared with the traditional cast iron pipe, galvanized steel pipe, cement pipe and other pipes, has the advantages of energy saving, material saving, environment protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling, simple construction and maintenance, long service life and the like, and is widely applied to the building industry, municipal, industrial and agricultural fields such as building water supply and drainage, urban and rural water supply and drainage, urban fuel gas, electric power and optical cable sheath, industrial fluid transportation, agricultural irrigation and the like.
The joint fitting in the PPR pipe is a copper insert, and the copper insert has good heat conductivity, so that after being heated, the copper insert is pressed into the plastic matrix, the product can be heated rapidly to accelerate the working efficiency, and the heated copper insert can also conduct heat to the plastic part rapidly, so that the periphery of the plastic hole is softened, and the product is pressed in rapidly; at present, the shape of a PPR pipe elbow joint on the market is generally L-shaped, T-shaped, I-shaped and the like, the copper insert is molded by injection molding through a mold, in-service use, the bottom of the copper insert is designed to be open, and the plastic is molded into an opening during injection molding, so that the opening position and the joint are molded, the bottom of the copper insert and the joint injection molding connecting part are easy to separate due to the long-time impact of water flow, a gap is formed, water flow passes through the gap to permeate water outwards, and when severe, the copper insert directly falls off from the joint, so that a large amount of water flow leaks, and normal use of a pipeline is influenced.
Disclosure of Invention
The utility model aims at the technical problems that the bottom of the existing copper insert is designed to be open and used for a long time, water flows impact the bottom of the copper insert, and the bottom of the copper insert is easy to separate from the injection molding connection part of a joint, and provides an anti-falling copper insert for a PPR pipe elbow joint.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides an anti-drop copper inserts for PPR union coupling, includes the base member, follows the base member axial is seted up and is run through the intercommunicating pore of base member, be provided with the internal thread in the intercommunicating pore, base member top and along base member circumference ring are equipped with the holding surface, holding surface below and along the even ring in base member circumference has a plurality of fastener, set up a plurality of annular seal groove that is used for placing the sealing washer on the base member, the base member bottom is provided with the reinforcement.
Preferably, the clamping piece comprises a fan-shaped clamping block, and a plurality of fan-shaped clamping blocks are uniformly arranged at intervals along the circumferential direction of the base body to form an annular clamping ring.
Preferably, an annular clamping groove for clamping the injection molding rubber ring is formed between the annular clamping ring and the bearing surface.
Preferably, the number of the annular sealing grooves is at least two, the annular sealing grooves are positioned below the clamping piece, and the annular sealing grooves of the at least two groups are sequentially and parallelly distributed from top to bottom along the axial direction of the substrate.
Preferably, the reinforcement comprises a reinforcement ring, the reinforcement ring is arranged at the bottom of the base body, an annular injection molding groove and an annular reinforcement groove are respectively formed between the reinforcement ring and the base body along the axial direction of the base body, the annular injection molding groove is positioned above the reinforcement ring, the annular reinforcement groove is positioned at the inner side of the reinforcement ring, and the annular injection molding groove is communicated with the annular reinforcement groove.
Preferably, a plurality of first connecting pieces are uniformly arranged in the annular injection molding groove along the axial direction of the substrate, a plurality of second connecting pieces are uniformly arranged in the annular reinforcing groove along the circumferential direction of the substrate, and the first connecting pieces and the second connecting pieces are in a vertical distribution state.
Preferably, the annular injection molding groove and the annular reinforcing groove integrally form an injection molding reinforcing cavity.
Preferably, the annular collar is of unitary construction with the base.
Preferably, the reinforcement ring and the base body are of an integrally formed structure.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the annular clamping ring and the injection molding reinforcing cavity are sequentially arranged on the substrate from top to bottom, and as the injection molding reinforcing cavity forms a closed reinforcing structure after injection molding, the injection molding body is embedded in the copper insert, so that the friction force and the biting force between the copper insert and the injection molding body are improved, the stability of the copper insert can be greatly improved, and the copper insert is prevented from falling off from the joint; meanwhile, an annular clamping groove and an annular sealing groove are respectively arranged between the annular clamping ring and the injection molding reinforcing cavity, so that double sealing can be realized, and water leakage is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of an annular collar of the present utility model.
Fig. 3 is a schematic structural view of the reinforcing ring according to the present utility model.
The reference numerals are explained as follows:
1 is a base body, 11 is a bearing surface, 12 is an annular clamping groove, 13 is an annular clamping ring, 131 is a sector clamping block, 14 is an annular sealing groove, 2 is a reinforcing ring, 21 is an annular injection molding groove, 22 is a first connecting sheet, 23 is a second connecting sheet, and 24 is an annular reinforcing groove.
Detailed Description
The technical scheme of the utility model is further explained below with reference to the accompanying drawings 1-3:
as shown in fig. 1-3, the utility model discloses an anti-drop copper insert for a PPR pipe elbow joint, which comprises a base body 1, wherein a communication hole penetrating through the base body is axially formed along the base body 1, an internal thread is arranged in the communication hole, and a bearing surface 11 is annularly arranged at the top of the base body 1 and along the circumferential direction of the base body. That is, a communicating hole is formed in the base body for flowing water in the PPR pipe outwards through the communicating hole, and an annular bearing surface is arranged at the top of the base body for ensuring that the joint plane is kept flat and durable.
Specifically, a plurality of fastening members are uniformly arranged under the receiving surface 11 and circumferentially and annularly along the substrate 1, each fastening member includes a fan-shaped fastening block 131, and the fan-shaped fastening blocks 131 are uniformly arranged circumferentially and intermittently along the substrate 1 to form an annular collar 13. That is, an annular collar is arranged on the base body below the bearing surface, and when the die is used for injection molding, the annular collar and the injection molding body form an injection molding connector, and the injection molding body is injected around the fan-shaped clamping block, so that the biting force between the copper insert and the injection molding body is improved.
In some embodiments, as shown in fig. 2, an annular clamping groove 12 for clamping the injection molding rubber ring is formed between the annular clamping ring 13 and the receiving surface 11. That is, an annular clamping groove is formed between the annular clamping ring and the bearing surface, and a sealing ring can be placed in the annular clamping groove to realize first sealing.
It should be noted that the annular collar 13 is of integral construction with the base body 1. In order to improve the structural strength of the integral copper insert, the annular clamping ring and the base body are designed into an integral structure.
Specifically, the base 1 is provided with a plurality of annular sealing grooves 14 for placing sealing rings, the number of the annular sealing grooves 14 is at least two, the annular sealing grooves 14 are located below the clamping piece, and the annular sealing grooves 14 of at least two groups are sequentially and parallelly distributed from top to bottom along the axial direction of the base 1. That is, arrange at least twice annular seal groove below annular collar, place the sealing washer in annular seal groove, realize the second way and seal, through the double-track seal, can improve the sealing performance between copper inserts and the injection molding body greatly.
Specifically, as shown in fig. 3, the bottom of the base 1 is provided with a reinforcement, the reinforcement includes a reinforcement ring 2, the reinforcement ring 2 is disposed at the bottom of the base 1, an annular injection molding groove 21 and an annular reinforcement groove 24 are respectively formed between the reinforcement ring 2 and the base 1 along the axial direction of the base 1, the annular injection molding groove 21 is located above the reinforcement ring 2, the annular reinforcement groove 24 is located inside the reinforcement ring 2, and the annular injection molding groove 21 is communicated with the annular reinforcement groove 24. That is, set up the stiffening ring in the base member bottom, set up annular injection molding groove and annular stiffening groove respectively between stiffening ring and the base member, annular injection molding groove with annular stiffening groove wholly forms the reinforcing chamber of moulding plastics, utilizes annular stiffening groove and annular injection molding groove to form mould plastics reinforcing chamber and is moulding plastics, wholly forms T style of calligraphy injection molding body on the copper inserts, improves frictional force and the snap-in force between injection molding body and the copper inserts.
It should be noted that the reinforcing ring 2 and the base 1 are integrally formed. That is, in order to improve the structural strength of the overall copper insert, the reinforcing ring and the base body are designed as an integral structure.
Specifically, a plurality of first connecting pieces 22 are uniformly arranged in the annular injection molding groove 21 along the axial direction of the substrate 1, a plurality of second connecting pieces 23 are uniformly arranged in the annular reinforcing groove 24 along the circumferential direction of the substrate 1, and the first connecting pieces 22 and the second connecting pieces 23 are in a vertical distribution state. That is, the first connecting piece and the second connecting piece are respectively arranged in the annular injection molding groove and the annular reinforcing groove, so that the structural strength between the reinforcing ring and the base body is enhanced. The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The utility model provides an anti-drop copper inserts for PPR union coupling, includes the base member, follows the base member axial has seted up the intercommunicating pore that runs through the base member, be provided with the internal thread in the intercommunicating pore, base member top and along base member circumference ring are equipped with the holding surface, its characterized in that, holding surface below and along base member circumference even ring is equipped with a plurality of fastener, the fastener includes fan-shaped fixture block, a plurality of fan-shaped fixture block is followed the even interval arrangement of base member circumference forms annular collar; offer a plurality of annular seal groove that is used for placing the sealing washer on the base member, the base member bottom is provided with the reinforcement, the reinforcement includes the stiffening ring, the stiffening ring sets up the base member bottom, the stiffening ring with follow respectively between the base member axial has been offered annular and has been moulded plastics groove and annular stiffening groove, annular is moulded plastics the groove and is located the stiffening ring top, annular stiffening groove is located the stiffening ring is inboard, annular is moulded plastics the groove with annular stiffening groove is linked together.
2. The anti-drop copper insert for PPR pipe elbow joint according to claim 1, wherein an annular clamping groove for clamping an injection molding rubber ring is formed between the annular clamping ring and the receiving surface.
3. The anti-drop copper insert for the PPR pipe elbow joint according to claim 1, wherein the number of the annular seal grooves is at least two, the annular seal grooves are located below the clamping piece, and the at least two groups of annular seal grooves are sequentially distributed in parallel from top to bottom along the axial direction of the substrate.
4. The anti-drop copper insert for the PPR pipe elbow joint according to claim 1, wherein a plurality of first connecting pieces are uniformly arranged in the annular injection molding groove along the axial direction of the substrate, a plurality of second connecting pieces are uniformly arranged in the annular reinforcing groove along the circumferential direction of the substrate, and the first connecting pieces and the second connecting pieces are in a vertical distribution state.
5. The anti-drop copper insert for PPR tube elbow connector as defined in claim 4, wherein said annular injection molding groove and said annular reinforcement groove integrally form an injection molding reinforcement cavity.
6. The anti-slip copper insert for PPR tube elbow joint according to claim 2, wherein said annular collar is of unitary construction with said base.
7. The anti-drop copper insert for PPR tube elbow connector as defined in claim 1, wherein said reinforcement ring is of unitary construction with said base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321152198.6U CN220060996U (en) | 2023-05-15 | 2023-05-15 | Anti-drop copper inserts for PPR union coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321152198.6U CN220060996U (en) | 2023-05-15 | 2023-05-15 | Anti-drop copper inserts for PPR union coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220060996U true CN220060996U (en) | 2023-11-21 |
Family
ID=88763805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321152198.6U Active CN220060996U (en) | 2023-05-15 | 2023-05-15 | Anti-drop copper inserts for PPR union coupling |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220060996U (en) |
-
2023
- 2023-05-15 CN CN202321152198.6U patent/CN220060996U/en active Active
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