CN219975842U - Thermal insulation structure of joint of concealed PPR hot water pipe - Google Patents
Thermal insulation structure of joint of concealed PPR hot water pipe Download PDFInfo
- Publication number
- CN219975842U CN219975842U CN202321705520.3U CN202321705520U CN219975842U CN 219975842 U CN219975842 U CN 219975842U CN 202321705520 U CN202321705520 U CN 202321705520U CN 219975842 U CN219975842 U CN 219975842U
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- China
- Prior art keywords
- hot water
- concealed
- water pipe
- joint
- wall body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000009413 insulation Methods 0.000 title claims description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 239000006260 foam Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 7
- 241000894006 Bacteria Species 0.000 description 5
- 241001674044 Blattodea Species 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a heat preservation structure of a joint of a concealed PPR hot water pipe, wherein one end of the concealed hot water pipe is provided with a concealed hot water pipe joint, the outside of the concealed hot water pipe joint is wrapped with a PVC heat-shrinkable sleeve, the other end of the PVC heat-shrinkable sleeve extends to 2-3cm outside the concealed hot water pipe joint, a protective sleeve is sleeved outside the PVC heat-shrinkable sleeve, and waterproof heat-insulating foam is filled between the protective sleeve and the PVC heat-shrinkable sleeve; the concealed hot water pipe is arranged in a pipe groove of a wall body, the concealed hot water pipe joint is arranged in a joint groove of the wall body, and a sealing expansion material is filled in the joint groove.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a water supply and drainage technology, and specifically relates to a heat preservation structure at a joint of a concealed PPR hot water pipe.
Background
The whole installation of the PPR water pipe adopts a hot-melt welding process. The cold and hot water pipes are connected with water consuming equipment (such as a tap, a hose, etc.) through water outlet fittings embedded with metal wire teeth. In the current construction, in order to slow down the temperature loss of hot water in the hot water pipe too fast, the whole surface hot water pipe is mostly subjected to heat preservation treatment by adopting a flame-retardant sponge heat preservation sleeve. The joint of the concealed hot water pipe joint and the water outlet fitting is not subjected to heat preservation treatment. According to the existing hot water pipe installation method, the hot water temperature at the joint of the hot water pipe joint and the water outlet fitting is easy to run off, so that when a customer starts hot water, cold water is usually discharged first. Because the joint of the hot water pipe joint and the water outlet fitting has no heat preservation measure, the time for waiting for hot water is increased, and the waste of water resources is intangibly caused. Meanwhile, the joint of the hot water pipe joint and the water outlet fitting has poor waterproof effect, water leakage is easy to occur, once water leakage is difficult to discover at the first time, and the groove of the wall body for connecting the hot water pipe joint and the water outlet fitting is easy to catch cockroaches or bacteria, so that an improved technology is needed to solve the problems in the prior art.
Disclosure of Invention
The utility model aims to provide a heat preservation structure at a joint of a concealed PPR hot water pipe, which effectively solves the problem that the water temperature of the hot water pipe is quickly lost after concealed installation through the joint to a certain extent on the premise of not influencing the installation of water outlet equipment, shortens the time for a customer to wait for normal water temperature of the hot water when the hot water pipe is used, simultaneously avoids the waste of water resources, improves the tightness of the joint of the concealed hot water pipe joint and a water outlet fitting through a PVC heat-shrinkable sleeve and waterproof heat-insulating foam, reduces the probability of water leakage, and can avoid the problem of breeding cockroaches and bacteria in the wall through a protective sleeve, a flange at the outer end of the protective sleeve and a sealing expansion material between the protective sleeve and the wall so as to solve the problem in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat preservation structure of a joint of a concealed PPR hot water pipe comprises a concealed hot water pipe assembly and a wall body;
the concealed hot water pipe assembly comprises a concealed hot water pipe, a concealed hot water pipe joint, a PVC heat-shrinkable sleeve and a protective sleeve, wherein the concealed hot water pipe joint is arranged at one end of the concealed hot water pipe, the PVC heat-shrinkable sleeve is wrapped outside the concealed hot water pipe joint, one end of the PVC heat-shrinkable sleeve extends to the concealed hot water pipe and is wrapped at a corresponding position of the concealed hot water pipe, the other end of the PVC heat-shrinkable sleeve extends to the outside of the concealed hot water pipe joint by 2-3cm, the protective sleeve is sleeved outside the PVC heat-shrinkable sleeve, and waterproof heat-insulating foam is filled between the protective sleeve and the PVC heat-shrinkable sleeve;
the wall body has seted up the tube chute, the wall body is located the outer end of tube chute and is provided with the joint groove, tube chute one end and the outside intercommunication of wall body are kept away from to the joint groove, the concealed hot-water line sets up in the tube chute of wall body, the concealed hot-water line connects and sets up in the joint inslot of wall body, still fill in the joint groove has sealed expansion material.
Preferably, the outer end of the protective sleeve is provided with a flange.
Preferably, a groove is formed in the wall surface and located at the periphery of the joint groove, and the flange is arranged in the groove.
Preferably, the inner end of the protective sleeve is provided with a conical closing-in, and the inner diameter of the conical closing-in is matched with the outer diameter of the concealed hot water pipe joint and the thickness of the PVC heat-shrinkable sleeve.
Preferably, the concealed hot water pipe joint is internally provided with internal threads.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The PVC heat-shrinkable sleeve is additionally arranged on the concealed hot water pipe joint, the protective sleeve is sleeved outside the PVC heat-shrinkable sleeve, waterproof heat-insulating foam is filled between the protective sleeve and the PVC heat-shrinkable sleeve, the problem that the water temperature of the hot water pipe is quickly lost after concealed installation is solved to a certain extent on the premise that the installation of water outlet equipment is not affected, the time for waiting for normal hot water temperature of a customer when the customer uses water is shortened, the waste of water resources is avoided, and the daily expenditure is saved for the customer.
(2) The PVC heat-shrinkable sleeve and the waterproof heat-insulating foam also improve the tightness of the joint of the concealed hot water pipe joint and the water outlet fitting, and reduce the water leakage probability.
(3) Through the protective sheath, flange and the sealed expansion material between protective sheath and the wall body of protective sheath outer end, can avoid breeding cockroach and the problem of bacterium in the wall body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a concealed-hot water pipe assembly;
FIG. 3 is a schematic cross-sectional view of a wall at a splice closure.
In the figure: the hot water pipe comprises a concealed hot water pipe 1, a concealed hot water pipe joint 2, a PVC heat-shrinkable sleeve 3, a protective sleeve 4, waterproof heat-insulating foam 5, a wall 6, a pipe groove 7, a joint groove 8, a sealing expansion material 9, a flange 10, a groove 11 and a conical closing-in 12.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model and the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;
it should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the heat preservation structure of the joint of the concealed PPR hot water pipe comprises a concealed hot water pipe assembly and a wall body 6;
the concealed hot water pipe assembly comprises a concealed hot water pipe 1, a concealed hot water pipe joint 2, a PVC heat-shrinkable sleeve 3 and a protective sleeve 4, wherein one end of the concealed hot water pipe 1 is provided with the concealed hot water pipe joint 2, the inside of the concealed hot water pipe joint 2 is provided with internal threads so as to realize connection with a water outlet fitting, the PVC heat-shrinkable sleeve 3 is wrapped outside the concealed hot water pipe joint 2, one end of the PVC heat-shrinkable sleeve 3 extends to the concealed hot water pipe 1 and is wrapped at a corresponding position of the concealed hot water pipe 1, the other end of the PVC heat-shrinkable sleeve 3 extends to the outside of the concealed hot water pipe joint 2 by 2-3cm, the protective sleeve 4 is sleeved outside the PVC heat-shrinkable sleeve 3, waterproof heat-insulating foam 5 is filled between the protective sleeve 4 and the PVC heat-shrinkable sleeve 3, the inner end of the protective sleeve 4 is provided with a conical closing-in 12, the inner diameter of the conical closing-in 12 is matched with the outer diameter of the concealed hot water pipe joint 2 and the thickness of the PVC heat-shrinkable sleeve 3, sealing of the inner end between the concealed hot water pipe joint 2 is realized through the conical closing-in 12, and the concealed hot water pipe joint 2 is ensured to be coaxial at the same time, so that the waterproof heat-insulating foam 5 is uniformly wrapped outside the concealed hot water pipe joint 2;
the pipe groove 7 has been seted up to wall body 6, the outer end that wall body 6 is located pipe groove 7 is provided with joint groove 8, joint groove 8 keeps away from pipe groove 7 one end and the outside intercommunication of wall body 6, concealed installation hot-water line 1 sets up in pipe groove 7 of wall body 6, concealed installation hot-water line joint 2 sets up in joint groove 8 of wall body 6, joint groove 8 is interior still to be filled with sealed inflation material 9, the outer end of protective sheath 4 is provided with flange 10, flange 10's effect is used for fixed concealed installation hot-water line joint 2, can shelter from joint groove 8 that wall body 6 is located the outer end of pipe groove 7 simultaneously, avoid cockroach or bacterium to breed in the wall body, wall body 6 surface and be located joint groove 8's peripheral department and be provided with recess 11, flange 10 sets up in recess 11, in order to guarantee flange 10's stability.
The construction method and the application principle are as follows: one end of the PVC heat-shrinkable sleeve 3 is sleeved outside the concealed hot water pipe joint 2, one end of the PVC heat-shrinkable sleeve 3 extends to the concealed hot water pipe 1, the other end of the PVC heat-shrinkable sleeve 3 extends to the 2-3cm outside the concealed hot water pipe joint 2 to be sheared, and then the part of the PVC heat-shrinkable sleeve 3, which is positioned on the concealed hot water pipe joint 2 and the concealed hot water pipe 1, is heated by a hot air heater, so that the PVC heat-shrinkable sleeve 3 is shrunk and deformed until the PVC heat-shrinkable sleeve is tightly wrapped at the corresponding positions of the concealed hot water pipe joint 2 and the concealed hot water pipe 1. The protective sleeve 4 is then sleeved outside the concealed fitting 2 until the tapered mouth 12 at the inner end is flush with the inner end of the concealed fitting 2. And then the waterproof heat-insulating foam 5 is filled between the protective sleeve 4 and the concealed hot water pipe joint 2, then the sealing expansion material 9 is filled into the joint groove 8 of the wall body 6 and overflows slightly, and then the concealed hot water pipe joint 2 and the protective sleeve 4 are inserted into the joint groove 8 of the wall body 6 until the flange 10 enters the groove 11 on the surface of the wall body 6, and the flange 10 is fastened by bolts, so that the construction is completed. When the external pipeline or the water outlet fitting is in threaded connection with the concealed hot water pipe joint 2, the connecting end of the water outlet fitting is inserted into the outwards extending part of the PVC heat-shrinkable sleeve 3, and then the PVC heat-shrinkable sleeve 3 is heated by a hot air heater to shrink and deform until the PVC heat-shrinkable sleeve is tightly wrapped at the connecting part of the water outlet fitting, so that the connection is completed. The utility model has reasonable structure, the PVC heat-shrinkable sleeve 3 is additionally arranged on the concealed hot water pipe joint 2, the protective sleeve 4 is sleeved outside the PVC heat-shrinkable sleeve 3, and waterproof heat-insulating foam 5 is filled between the protective sleeve 4 and the PVC heat-shrinkable sleeve 3, so that the problem of rapid water temperature loss at the joint after the concealed hot water pipe is concealed is solved to a certain extent on the premise that the installation of water outlet equipment is not influenced, the time for waiting for normal hot water temperature of a customer when the customer uses water is shortened, the waste of water resources is avoided, and the daily expenditure is saved for the customer; the sealing performance of the joint of the concealed hot water pipe joint 2 and the water outlet fitting is improved through the PVC heat-shrinkable sleeve 3 and the waterproof heat-insulating foam 5, and the water leakage probability is reduced; meanwhile, the problem of cockroach and bacteria breeding in the wall 6 can be avoided through the protective sleeve 4, the flange 10 at the outer end of the protective sleeve 4 and the sealing expansion material 9 between the protective sleeve 4 and the wall 6.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (5)
1. An insulation construction of concealed PPR hot water pipe joint department, its characterized in that: comprises a concealed hot water pipe assembly and a wall body (6);
the concealed hot water pipe assembly comprises a concealed hot water pipe (1), a concealed hot water pipe joint (2), a PVC heat-shrinkable sleeve (3) and a protective sleeve (4), wherein the concealed hot water pipe joint (2) is arranged at one end of the concealed hot water pipe (1), the PVC heat-shrinkable sleeve (3) is wrapped outside the concealed hot water pipe joint (2), one end of the PVC heat-shrinkable sleeve (3) extends to the concealed hot water pipe (1) and wraps the position corresponding to the concealed hot water pipe (1), the other end of the PVC heat-shrinkable sleeve (3) extends to 2-3cm outside the concealed hot water pipe joint (2), the protective sleeve (4) is sleeved outside the PVC heat-shrinkable sleeve (3), and waterproof and heat-insulating foam (5) is filled between the protective sleeve (4) and the PVC heat-shrinkable sleeve (3); the wall body (6) has seted up tube groove (7), the outer end that wall body (6) is located tube groove (7) is provided with joint groove (8), joint groove (8) are kept away from tube groove (7) one end and wall body (6) outside intercommunication, concealed installation hot-water line (1) set up in tube groove (7) of wall body (6), concealed installation hot-water line joint (2) set up in joint groove (8) of wall body (6), still fill in joint groove (8) has sealed swelling material (9).
2. The insulation structure at the joint of the concealed-installed PPR hot water pipe according to claim 1, which is characterized in that: the outer end of the protective sleeve (4) is provided with a flange (10).
3. The insulation structure at the joint of the concealed PPR hot water pipe according to claim 2, which is characterized in that: the wall body (6) surface and be located the periphery department of joint groove (8) and be provided with recess (11), flange (10) set up in recess (11).
4. The insulation structure at the joint of the concealed-installed PPR hot water pipe according to claim 1, which is characterized in that: the inner end of the protective sleeve (4) is provided with a conical closing-in (12), and the inner diameter of the conical closing-in (12) is matched with the outer diameter of the concealed hot water pipe joint (2) and the thickness of the PVC heat-shrinkable sleeve (3).
5. The insulation structure at the joint of the concealed-installed PPR hot water pipe according to claim 1, which is characterized in that: the inside of the concealed hot water pipe joint (2) is provided with internal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705520.3U CN219975842U (en) | 2023-07-03 | 2023-07-03 | Thermal insulation structure of joint of concealed PPR hot water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705520.3U CN219975842U (en) | 2023-07-03 | 2023-07-03 | Thermal insulation structure of joint of concealed PPR hot water pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975842U true CN219975842U (en) | 2023-11-07 |
Family
ID=88587595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321705520.3U Active CN219975842U (en) | 2023-07-03 | 2023-07-03 | Thermal insulation structure of joint of concealed PPR hot water pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975842U (en) |
-
2023
- 2023-07-03 CN CN202321705520.3U patent/CN219975842U/en active Active
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