CN212389919U - Joint for plastic hard pipe - Google Patents
Joint for plastic hard pipe Download PDFInfo
- Publication number
- CN212389919U CN212389919U CN202020946364.XU CN202020946364U CN212389919U CN 212389919 U CN212389919 U CN 212389919U CN 202020946364 U CN202020946364 U CN 202020946364U CN 212389919 U CN212389919 U CN 212389919U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- plastic hard
- joint
- hard pipe
- holding tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model relates to a joint for a plastic hard pipe, which belongs to the field of plastic products and comprises a joint body, wherein both ends of the joint body are provided with cylindrical holding tanks, and a channel is also arranged in the joint body and is communicated with the holding tanks at both ends of the joint body; the bottom of holding tank has been laid the gasket, the gasket corresponds the passageway is provided with the via hole, set up on the lateral wall of holding tank and run through the mounting hole of the lateral wall of holding tank, the inboard orientation of mounting hole the bottom slope of holding tank sets up, the inner wall of mounting hole is provided with the internal thread, be provided with in the mounting hole with internal thread assorted fastening bolt. The utility model discloses a fastening bolt of setting in the mounting hole of slope fixes the plastics hard tube on the joint, and it can be applicable to the plastics hard tube of different external diameters, and can make plastics hard tube and joint seal cooperation in fixed plastics hard tube to make takeover easy operation convenient.
Description
Technical Field
The utility model relates to a plastic product field, in particular to a connect for plastics hard tube.
Background
The plastic hard pipe has the advantages of corrosion resistance, light weight, low cost, long service life and the like, so the plastic hard pipe is generally adopted for kitchen water supply. However, the plastic hard pipe is easily broken by external impact, the broken part needs to be removed and then a new plastic hard pipe is connected to the broken water pipe, and a professional hot melting device is needed for the connection operation of the plastic hard pipe, and a common household cannot be provided with the hot melting device, so that the temporary connection operation is difficult to perform after the kitchen water pipe is broken.
SUMMERY OF THE UTILITY MODEL
Therefore, the joint for the plastic hard pipe comprises a joint body, wherein cylindrical accommodating grooves are formed in two ends of the joint body, a channel is further formed in the joint body, and the channel is communicated with the accommodating grooves in the two ends of the joint body; the bottom of holding tank has been laid the gasket, the gasket corresponds the passageway is provided with the via hole, set up on the lateral wall of holding tank and run through the mounting hole of the lateral wall of holding tank, the inboard orientation of mounting hole the bottom slope of holding tank sets up, the inner wall of mounting hole is provided with the internal thread, be provided with in the mounting hole with internal thread assorted fastening bolt.
Wherein, the joint body can be made by PVC plastics, and the gasket can be made by butadiene acrylonitrile rubber, and the sectional area of the via hole on the gasket is the same with the shape size of the sectional area of passageway, and the via hole on the gasket aligns the passageway setting.
When the plastic hard pipe connecting device is used, firstly, the end of the plastic hard pipe is cut to be flat, then the end of the water pipe is inserted into the accommodating groove to enable the end of the water pipe to be tightly propped against the gasket, the hollow part of the water pipe is communicated with the via hole on the gasket, then the fastening bolt is screwed to enable the end parts of all the fastening bolts to be tightly propped against the side wall of the plastic hard pipe, then the fastening bolt is continuously screwed, because the end part of the fastening bolt is propped against the side wall of the plastic hard pipe, when the fastening bolt is continuously screwed, the end part of the rotating fastening bolt can rub out a slight concave structure on the surface of the plastic hard pipe, the end part of the fastening bolt is inserted into the concave structure, along with the fact that the bolt continuously moves towards the bottom of the accommodating groove, the plastic hard pipe can be pushed for a certain distance towards the bottom of the accommodating groove, and further enabling the end part of the plastic hard pipe to be, therefore, the utility model can lead the plastic hard pipe to be matched with the gasket in a sealing way while fixing the plastic hard pipe, thereby conveniently and effectively ensuring the sealing performance of the utility model; the distance that the fastening bolt moves down again after abutting against the surface of the plastic hard pipe is short, and the fixing bolt leaves a slight recess on the surface of the plastic hard pipe in a rotating mode, so that the plastic hard pipe cannot be broken or perforated in the process.
Further, the number of the mounting holes is at least three, and the mounting holes are arranged in a central symmetry manner about the center line of the accommodating groove.
The quantity of mounting hole is three at least and about the central line central symmetry of holding tank sets up, then corresponding fastening bolt is also three at least and about the central line central symmetry of holding tank sets up, consequently fastening bolt lies in can effectively avoiding the swing of plastics hard tube after plastics hard tube offsets, and then can improve effectively the utility model discloses a stability of leakproofness.
Furthermore, a flexible support ring is further arranged at the opening of the accommodating groove, and the central line of the flexible support ring and the central line of the accommodating groove are located on the same straight line.
The flexible support ring is used for supporting the plastic hard pipe in the accommodating groove, the diameter of an inner ring of the flexible support ring is smaller than the outer diameter of the plastic hard pipe, and the central line of the flexible support ring and the central line of the accommodating groove are positioned on the same straight line, so that after the plastic hard pipe penetrates through the flexible support ring and enters the accommodating groove, the side wall of the flexible support ring can push the plastic hard pipe to the state that the central line of the plastic hard pipe and the central line of the accommodating groove are positioned on the same straight line, and the hollow part of the plastic pipe can be aligned with; in addition, after the holding tank was inserted to the plastics hard tube, the inner wall of flexible support ring can support the surface at the plastics hard tube tightly to can further support the plastics hard tube, prevent that the plastics hard tube from rocking, with further increase the utility model discloses a stability of leakproofness. Wherein, flexible support ring can be made by nitrile rubber, and it is fixed on the lateral wall of holding tank through sealed glue, and consequently, flexible support ring can also prevent that moisture from entering into inside the holding tank to avoid fastening bolt to be soaked by the water.
Further, the inner side of the side surface of one side of the flexible support ring, which is far away from the bottom of the accommodating groove, is obliquely arranged towards the bottom of the accommodating groove.
The inner side of the insertion surface of the flexible support ring is arranged in a downward inclined mode, so that the plastic hard pipe can be rapidly inserted along the inclined insertion surface when the plastic hard pipe is inserted, and the insertion process is more convenient and rapid.
Further, a gap is reserved between the side face of one side, close to the bottom of the accommodating groove, of the flexible supporting ring and the mounting hole in the side wall of the accommodating groove.
The flexible support ring has certain distance with the mounting hole at interval, can effectively prevent to plug up the mounting hole because of flexible support ring deformation.
Further, the internal thread on the inner wall of the mounting hole is a sealing pipe thread.
The screw thread in the mounting hole is sealed pipe thread, and then the screw thread on the corresponding fastening bolt is also sealed pipe thread, can prevent effectively that water from entering into the holding tank via the mounting hole to prevent effectively that fastening bolt from steeping water.
Further, the gasket is adhered to the bottom of the accommodating groove through sealant.
The gasket passes through the bottom of sealing member adhesion at the holding tank, can prevent that the gasket from droing.
Further, the included angle between the mounting hole and the center line of the accommodating groove is 30-40 degrees.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
the utility model discloses a fastening bolt of setting in the mounting hole of slope fixes the plastics hard tube on the joint, and it can be applicable to the plastics hard tube of different external diameters, and can make plastics hard tube and joint seal cooperation in fixed plastics hard tube to make takeover easy operation convenient.
Drawings
Fig. 1 is a first schematic structural diagram of a joint for a plastic hard pipe according to an embodiment of the present invention;
fig. 2 is a first schematic structural diagram of a joint for a plastic hard pipe according to an embodiment of the present invention connecting with a plastic hard pipe;
fig. 3 is a schematic structural diagram of the joint for plastic hard pipes according to the embodiment of the present invention, which is connected with a plastic hard pipe.
Description of reference numerals:
1-joint body, 11-accommodating groove, 12-channel, 13-mounting hole, 14-fastening bolt, 15-gasket, 151-via hole, 16-flexible support ring and 2-plastic hard pipe.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
as shown in fig. 1, a joint for a plastic hard pipe 2 comprises a joint body 1, wherein cylindrical accommodating grooves 11 are formed at two ends of the joint body 1, a channel 12 is further formed in the joint body 1, and the channel 12 is communicated with the accommodating grooves 11 at two ends of the joint body 1; gasket 15 has been laid to the bottom of holding tank 11, gasket 15 corresponds passageway 12 is provided with via hole 151, set up on the lateral wall of holding tank 11 and run through the mounting hole 13 of the lateral wall of holding tank 11, the inboard orientation of mounting hole 13 the bottom slope of holding tank 11 sets up, the inner wall of mounting hole 13 is provided with the internal thread, be provided with in the mounting hole 13 with internal thread assorted fastening bolt 14.
Wherein, joint body 1 can be made by PVC plastics, and gasket 15 can be made by butadiene-acrylonitrile rubber, and the cross-sectional area of via hole 151 on gasket 15 is the same with the shape size of the cross-sectional area of passageway 12, and the via hole 151 on gasket 15 aligns passageway 12 setting.
When the plastic hard pipe 2 of the utility model is used, as shown in fig. 2, the end of the plastic hard pipe 2 is firstly cut and leveled, and then the end of the water pipe is inserted into the accommodating groove 11 to make the end of the water pipe tightly abut against the gasket 15, and the hollow part of the water pipe is communicated with the via hole 151 on the gasket 15; then, the fastening bolts 14 are screwed, as shown in fig. 3, so that the end portions of all the fastening bolts 14 abut against the side wall of the plastic hard pipe 2, and then the fastening bolts 14 are further screwed, because the end portions of the fastening bolts 14 already abut against the side wall of the plastic hard pipe 2, when the fastening bolts 14 are further screwed, the end portions of the rotating fastening bolts 14 rub out a slight concave structure on the surface of the plastic hard pipe 2, the end portions of the fastening bolts 14 are inserted into the concave structure, and as the bolts continue to move towards the bottom of the accommodating groove 11, the plastic hard pipe 2 is pushed a certain distance towards the bottom of the accommodating groove 11, so that the end of the plastic hard pipe 2 can further abut against the gasket 15. Therefore, the utility model can fix the plastic hard pipe 2 and simultaneously lead the plastic hard pipe 2 to be matched with the gasket 15 in a sealing way, thereby conveniently and effectively ensuring the sealing performance of the utility model; wherein, the distance that the fastening bolt 14 moves down after abutting against the surface of the plastic hard pipe 2 is short, and the fixing bolt leaves a slight recess on the surface of the plastic hard pipe 2 by rotating, so that the process can not cause the plastic hard pipe 2 to be broken or perforated.
Further, the number of the mounting holes 13 is at least three, and the mounting holes 13 are arranged in a central symmetry manner with respect to the center line of the accommodating groove 11.
The quantity of mounting hole 13 is three at least and about the central line central symmetry of holding tank 11 sets up, then corresponding fastening bolt 14 also is three at least and about the central line central symmetry of holding tank 11 sets up, consequently fastening bolt 14 can effectively avoid the swing of plastics hard tube 2 after plastics hard tube 2 offsets, and then can improve effectively the utility model discloses a stability of leakproofness.
Further, as shown in fig. 1, a flexible support ring 16 is further disposed at the opening of the receiving groove 11, and a center line of the flexible support ring 16 is located on the same straight line with a center line of the receiving groove 11.
The flexible support ring 16 is used for supporting the plastic hard pipe 2 in the receiving groove 11, and the diameter of the inner ring of the flexible support ring 16 is smaller than the outer diameter of the plastic hard pipe 2, because the center line of the flexible support ring 16 and the center line of the receiving groove 11 are located on the same line, after the plastic hard pipe 2 passes through the flexible support ring 16 and enters the receiving groove 11, the side wall of the flexible support ring 16 will push the plastic hard pipe 2 until the center line thereof and the center line of the receiving groove 11 are located on the same line, so as to ensure that the hollow part of the plastic pipe can be aligned with the channel 12; in addition, after the plastics hard tube 2 inserted holding tank 11, as fig. 2, the inner wall of flexible support ring 16 can support tightly on the surface of plastics hard tube 2 to can further support plastics hard tube 2, prevent that plastics hard tube 2 from rocking, with further increase the utility model discloses a stability of leakproofness. Wherein, flexible support ring 16 can be made by nitrile rubber, and it is fixed on the lateral wall of holding tank 11 through sealed glue, consequently, flexible support ring 16 can also prevent that moisture from getting into inside holding tank 11 to avoid fastening bolt 14 to be soaked by the water.
Further, the inner side of the side surface of the flexible support ring 16 on the side away from the bottom of the accommodation groove 11 is inclined toward the bottom of the accommodation groove 11.
The inner side of the insertion surface of the flexible support ring 16 is arranged obliquely downwards, so that the plastic hard tube 2 can be quickly inserted along the oblique insertion surface when the plastic hard tube 2 is inserted, and the insertion process is more convenient and quicker.
Further, a gap is formed between the side surface of the flexible support ring 16 on the side close to the bottom of the receiving groove 11 and the mounting hole 13 on the side wall of the receiving groove 11.
The flexible support ring 16 is spaced from the mounting hole 13 by a certain distance, so that the mounting hole 13 can be effectively prevented from being blocked due to the deformation of the flexible support ring 16.
Further, the internal thread on the inner wall of the mounting hole 13 is a sealing pipe thread.
The screw thread in mounting hole 13 is the sealed pipe thread, and then the screw thread on corresponding fastening bolt 14 is also sealed pipe thread, can prevent effectively that water from entering into holding tank 11 via mounting hole 13 to effectively prevent fastening bolt 14 bubble water.
Further, the gasket 15 is adhered to the bottom of the receiving groove 11 by a sealant.
The gasket 15 is adhered to the bottom of the housing groove 11 by the sealing member, and the gasket 15 can be prevented from falling off.
Further, the included angle between the mounting hole 13 and the center line of the accommodating groove 11 is 30-40 °.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The joint for the plastic hard pipe is characterized by comprising a joint body, wherein cylindrical accommodating grooves are formed in two ends of the joint body, a channel is further formed in the joint body, and the channel is communicated with the accommodating grooves in the two ends of the joint body; the bottom of holding tank has been laid the gasket, the gasket corresponds the passageway is provided with the via hole, set up on the lateral wall of holding tank and run through the mounting hole of the lateral wall of holding tank, the inboard orientation of mounting hole the bottom slope of holding tank sets up, the inner wall of mounting hole is provided with the internal thread, be provided with in the mounting hole with internal thread assorted fastening bolt.
2. A coupling for plastic hard pipe as defined in claim 1, wherein the number of the mounting holes is three at minimum, and the mounting holes are arranged in a central symmetry with respect to a center line of the receiving groove.
3. The joint for plastic hard pipe as claimed in claim 1, wherein a flexible support ring is further provided at the opening of the receiving groove, and the center line of the flexible support ring is aligned with the center line of the receiving groove.
4. A coupling for plastic hard tubing as claimed in claim 3 wherein the inner side of the flexible support ring remote from the bottom of the receiving groove is inclined towards the bottom of the receiving groove.
5. A joint for plastic hard pipe as defined in claim 3 or 4, wherein the side of the flexible support ring near the bottom of the receiving groove has a gap with the mounting hole on the side wall of the receiving groove.
6. A coupling for plastic hard pipe as defined in claim 3, wherein the internal thread on the inner wall of the mounting hole is a seal pipe thread.
7. A joint for plastic hard pipe as defined in claim 1, wherein said spacer is adhered to the bottom of said receiving groove by a sealant.
8. A coupling for plastic hard pipe as defined in claim 1, wherein the angle between the mounting hole and the center line of the receiving groove is 30-40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946364.XU CN212389919U (en) | 2020-05-29 | 2020-05-29 | Joint for plastic hard pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946364.XU CN212389919U (en) | 2020-05-29 | 2020-05-29 | Joint for plastic hard pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212389919U true CN212389919U (en) | 2021-01-22 |
Family
ID=74251543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020946364.XU Active CN212389919U (en) | 2020-05-29 | 2020-05-29 | Joint for plastic hard pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212389919U (en) |
-
2020
- 2020-05-29 CN CN202020946364.XU patent/CN212389919U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212389919U (en) | Joint for plastic hard pipe | |
| CN216158522U (en) | Pipeline leakage-proof structure | |
| CN202215875U (en) | Fast and easy push-type joint | |
| CN218671024U (en) | Stainless steel flange convenient to connect | |
| CN213117944U (en) | Metal hose joint structure | |
| CN210890412U (en) | Epoxy ceramic corrosion-resistant pipeline for industrial pipeline | |
| CN210602195U (en) | Water collector subassembly and air conditioner | |
| CN210266325U (en) | Overlap welding screw-in threaded joint with high sealing performance | |
| CN209916805U (en) | Heart benefiting chest closed drainage bottle connecting device | |
| CN211550824U (en) | Stainless steel pipeline connecting piece for building fire fighting | |
| CN112393051A (en) | Connecting and sealing mechanism for steel plastic pipe and plastic pipe | |
| CN213929871U (en) | Sliding-tight type aluminum-plastic composite pipe fitting | |
| CN203099021U (en) | Quick-connecting type full-plastic bend sluice valve | |
| CN207213150U (en) | Thin-wall pipeline sealing device | |
| CN212203540U (en) | Water separator assembly | |
| CN204187189U (en) | A kind of new gas feedway | |
| CN220141404U (en) | Desktop type water pump | |
| CN219606323U (en) | Welding-free pipeline connecting piece | |
| CN220980668U (en) | Large-caliber thermoplastic composite pipe connecting fixing piece | |
| CN219549902U (en) | Right-angle transition joint with good sealing performance | |
| CN219639740U (en) | Non-contact heater pipeline connection structure | |
| CN217302051U (en) | Hose assembly | |
| CN212178142U (en) | Novel pipeline interface | |
| CN209839411U (en) | Pipeline butterfly valve mounting structure of triple-effect evaporator | |
| CN212203436U (en) | Low-permeability fuel hose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |