CN215522474U

CN215522474U - Corrosion-resistant PE water supply pipe

Info

Publication number: CN215522474U
Application number: CN202122039928.9U
Authority: CN
Inventors: 张招; 任恩德
Original assignee: Wuhan Oudu Youpin Pipeline Sanitary Ware Co ltd
Current assignee: Wuhan Oudu Youpin Pipeline Sanitary Ware Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-14
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to a corrosion-resistant PE water supply pipe, which comprises a plastic pipe, a metal sleeve and a connecting cover, wherein the metal sleeve is sleeved on the plastic pipe; the plastic pipe is provided with a plurality of clamping grooves, connecting grooves and a lining, the clamping grooves are formed in the outer wall of the plastic pipe and extend along the axis direction of the plastic pipe, and the clamping grooves are parallel to each other; the number of the connecting grooves is two, and the two connecting grooves are respectively positioned on two opposite sides of the plastic pipe; the inner wall of the metal sleeve is provided with a plurality of elastic bosses which are arranged along the axial direction of the metal sleeve, the elastic bosses are parallel to each other, and each elastic boss is matched with the size of each clamping groove; the corrosion-resistant PE water supply pipe provided by the utility model can increase the weather resistance of the plastic pipe and reduce the external impact on the plastic pipe.

Description

Corrosion-resistant PE water supply pipe

Technical Field

The utility model relates to the technical field of pipes, in particular to a corrosion-resistant PE water supply pipe.

Background

The plastic products are affected by external conditions such as sunlight irradiation, temperature change, wind, rain and the like, and a series of aging phenomena such as fading, discoloration, cracking, differentiation, strength reduction and the like occur, wherein ultraviolet irradiation is a key factor for promoting the aging of plastics.

The existing plastic pipes are applied outdoors, the pipes used outdoors are mostly made of single materials, the weather resistance and the corrosion resistance are poor, and in areas with large temperature difference or environments and environments with severe weather, the pipes are often easy to reduce the performance due to the environment and even crack, so that the normal use of the pipes is influenced.

Moreover, some pipes are used for discharging corrosive liquid such as industrial wastewater, although the plastic material has certain corrosion resistance, the inner wall of the pipe still has the possibility of being corroded in the case of long-term use, the laying of the pipe is usually complicated, a large amount of manpower is needed, if the pipe is corroded, the pipe is not easy to replace, and if the corrosion is not found, the problems of leakage and the like can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a corrosion-resistant PE water supply pipe to solve the problem that the inner wall of a plastic pipe is easy to corrode when corrosive liquid is discharged.

In order to achieve the above object, the technical solution of the present invention for solving the technical problems is to provide a corrosion-resistant PE water supply pipe, comprising: the plastic pipe, the metal sleeve and the connecting cover are sleeved on the plastic pipe; the plastic pipe is provided with a plurality of clamping grooves and connecting grooves, the clamping grooves extend along the axis direction of the plastic pipe on the outer wall of the plastic pipe, and the clamping grooves are parallel to each other; the number of the connecting grooves is two, and the two connecting grooves are respectively positioned on two opposite sides of the plastic pipe; the inner wall of the metal sleeve is provided with a plurality of elastic bosses which are arranged along the axial direction of the metal sleeve, the elastic bosses are parallel to each other, and each elastic boss is matched with each clamping groove in size; each elastic boss is provided with an elastic hole penetrating through the elastic boss, and the elastic hole is parallel to the axial direction of the metal sleeve; the number of the connecting covers is two, the connecting covers comprise blocking covers, baffle plates and connecting plates, through holes are formed in the blocking covers, the through holes are concentric with the plastic pipes, the baffle plates are arranged around the blocking covers, are perpendicular to the blocking covers and are connected with the blocking covers; the connecting plate is arranged around the through hole, is positioned in a space surrounded by the baffle, is parallel to the baffle, is connected with the blocking cover and is clamped with the connecting groove; the lining comprises a lining body and a connecting boss, the lining body is sleeved in the plastic pipe, two ends of the lining body are flush with the plastic pipe, and the connecting boss is located at one end of the lining body, exposed out of the plastic pipe and connected with the lining body; the lining body is kept away from the one end of connecting the boss has seted up connecting grooves, connect the boss with connecting groove size adaptation.

Further, the clamping groove is an arc-shaped groove, and the elastic boss is an arc-shaped boss corresponding to the clamping groove.

Further, the elastic hole is filled with a heat preservation strip.

Further, the spread groove is the annular, the connecting plate be with the annular of spread groove adaptation.

Further, it is a plurality of the interval between the joint groove equals, and is a plurality of the interval between the elasticity boss also equals.

Furthermore, the number of the clamping grooves and the number of the elastic bosses are 10.

Further, the baffle is annular.

Compared with the prior art, the corrosion-resistant PE water supply pipe provided by the utility model has the following beneficial effects:

establish the metal sleeve through the peripheral cover at the plastic pipe, and the metal sleeve inner wall sets up the elasticity boss of joint groove adaptation on the plastic pipe outer wall to when reinforcing plastic pipe weatherability, can also utilize the elastic characteristic of elasticity boss, increase the shock attenuation effect between metal sleeve and the plastic pipe, and then when receiving external force medicinal granules, protect the plastic pipe, reduce under the circumstances of outdoor use, receive external force and make the circumstances of plastic pipe damage.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.

Drawings

FIG. 1 is a schematic diagram illustrating an exploded view of a corrosion-resistant PE service pipe according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the plastic pipe shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of the metal sleeve of FIG. 1;

FIG. 5 is a schematic view of the connecting cover of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the liner of FIG. 1;

FIG. 7 is a cross-sectional view of a corrosion resistant PE service pipe according to one embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 7, the corrosion-resistant PE water supply pipe 10 according to the present invention includes a plastic pipe 20, a metal sleeve 30, a connection cover 40 and a lining 50, wherein the metal sleeve 30 is sleeved on the plastic pipe 20 to protect the plastic pipe 20 and prevent the plastic pipe 20 from being directly exposed to the outdoor environment, thereby increasing the weather resistance of the plastic pipe 20. The connection caps 40 are connected to both ends of the plastic pipe 20 and sleeved on the metal sleeve 30 to fasten the metal sleeve 30 and the plastic pipe 20 together and limit the relative movement of the plastic pipe 20 and the metal sleeve 30 in the axial direction. The lining 50 is located inside the plastic pipe 20 and is concentric with the plastic pipe 20, so that the lining 50 is used for protecting the inner wall of the plastic pipe 20, and the situation that the plastic pipe 20 is corroded when corrosive liquid is discharged for a long time is avoided.

Specifically, the plastic pipe 20 is provided with a plurality of clamping grooves 21 and a plurality of connecting grooves 22, the clamping grooves 21 are a plurality of, the clamping grooves 21 extend along the axis direction of the plastic pipe 20 on the outer wall of the plastic pipe 20, and the clamping grooves 21 are parallel to each other. The number of the connecting grooves 22 is two, and the two connecting grooves 22 are respectively located at two opposite sides of the plastic pipe 20.

Offer a plurality of elasticity bosss 31 on the inner wall of metal sleeve 30, a plurality of elasticity bosss 31 are arranged along metal sleeve 30's axis direction, are parallel to each other between a plurality of elasticity bosss 31, and every elasticity boss 31 and the size adaptation of every joint groove 31. Each elastic boss 31 is provided with an elastic hole 221 penetrating through the elastic boss 31, and the elastic holes 221 are all parallel to the axial direction of the metal sleeve 30.

It can be understood that elasticity boss 31 can set up to elastic material, like rubber material etc. utilize elasticity boss 31 itself elasticity, after metal sleeve 30 cover is located on plastic pipe 20, except cladding plastic pipe 20, increase its weatherability, can also play the cushioning effect through elasticity boss 31 to when metal sleeve 30 receives external force, utilize elasticity boss 31's shock attenuation effect, protect plastic pipe 20. Meanwhile, the elastic hole 31 is formed in the elastic boss 31, so that the damping effect can be further improved, and when the size of the elastic boss 31 and the size of the clamping groove 21 deviate, the elastic boss 31 can be conveniently clamped into the clamping groove 21.

The number of the connecting covers 40 is two, and the connecting covers include a blocking cover 41, a baffle 42 and a connecting plate 43, wherein the blocking cover 41 is provided with a through hole 411, and the through hole 411 is concentric with the plastic pipe 20. The baffle 42 is disposed around the cover 41, perpendicular to the cover 41, and connected to the cover 41. The connecting plate 43 is disposed around the through hole 411, located in the space surrounded by the baffle 42, parallel to the baffle 42, connected to the blocking cover 41, and clamped to the connecting groove 22, so as to connect the connecting cover 40 and the plastic pipe 20.

It can be understood that, the connecting plate 43 and the locking groove 22 are adapted in size, when the connecting plate 43 and the locking groove 22 are locked, the blocking cover 41 is abutted against the two ends of the plastic tube 20 and the metal sleeve 30, and the blocking plate 42 is coated on the outer walls of the two ends of the metal sleeve 30, so as to limit the relative displacement between the plastic tube 20 and the metal sleeve 30 along the axial direction by the blocking cover 41.

The lining 50 includes a lining body 51 and a connecting boss 52, wherein the lining body 51 is sleeved in the plastic pipe 20, and two ends of the lining body 51 are flush with two ends of the plastic pipe 20. The connection boss 52 is located at one end of the lining body 51, exposed out of the plastic tube 20, and connected to the lining body 51. The lining body 51 is far away from the one end of connecting boss 52 and is seted up connecting groove 511, connecting boss 52 and connecting groove 511's size adaptation to when making a plurality of corrosion-resistant PE feed pipe 10 connect gradually, the cooperation of can pegging graft of connecting boss 52 and connecting groove 511 of two adjacent corrosion-resistant PE feed pipe 10.

It can be understood that the two ends of the lining body 51 are arranged, the connecting bosses 52 and the connecting grooves 511 are matched in size and can be mutually inserted, positioning alignment during connection of a plurality of corrosion-resistant PE water supply pipes 10 is facilitated, and then fixed connection is carried out through other forms such as threads, clamping connection and welding. Meanwhile, the corrosion-resistant PE water supply pipe 10 in a multi-section mode is convenient to replace when a certain section is damaged.

It is understood that the liner 50 may be made of a corrosion resistant material such as copper oxide.

Further, joint groove 21 is the arc wall, and elasticity boss 31 is the arc boss that corresponds with joint groove 21, is the arc through all setting up joint groove 21 and elasticity boss 31, locates plastic pipe 20 with metal sleeve 30 cover on, and the elasticity boss 31 of being convenient for corresponds with the position of joint groove 21, owing to there is the arc promptly, in a plurality of elasticity bosses 31 better get into joint groove 21. Moreover, the arc-shaped contact surface is larger, and the damping effect is better.

Further, the elastic hole 32 is filled with a heat preservation strip (not shown) to increase the shock absorption and play a role of heat preservation, so as to prevent the plastic pipe 20 from being affected by the temperature difference when being applied outdoors.

It can be understood that the heat preservation strip can be made of elastic and heat-preserving materials such as foam and the like.

Further, the connecting groove 22 is ring-shaped, and the connecting plate 43 is ring-shaped to fit the connecting groove 22.

It can be understood that, by setting the connection slot 22 and the connection plate 43 to be annular, after the connection plate 43 is inserted into the connection slot 22, the air or water flowing through the inside of the plastic tube 20 can only flow into or out of the through hole 411, so as to prevent the air or water from flowing back into the elastic hole 32.

Further, the intervals between the plurality of clamping grooves 21 are equal, and the intervals between the plurality of elastic bosses 31 are also equal.

Furthermore, the number of the clamping grooves 21 and the number of the elastic bosses 31 are 10.

It can be understood that the plastic pipe 20 can be better protected by providing 10 clamping grooves 21 and elastic bosses 31.

Further, the baffle 42 is annular.

It can be understood that, by arranging the baffle plate 42 in a ring shape, after the connecting plate 43 is clamped with the connecting groove 22, the baffle plate 42 is completely coated on the outer walls of the two ends of the metal sleeve 30, so as to increase the connection firmness.

In some embodiments, the baffle plates 42 may be connected to the periphery of the cover plate 41 at equal intervals.

The working principle of the utility model is as follows: firstly, the plastic pipe 20 is slid in from one end of the metal sleeve 30, and the position of each elastic boss 31 is ensured to correspond to each clamping groove 21, so that the metal sleeve 30 is completely sleeved on the plastic pipe 20, and the plastic pipe 20 is protected by the metal sleeve 30. Then, the connection plates 43 of the two connection caps 40 are respectively engaged with the connection grooves 22 at both ends of the plastic pipe 20, so that the connection caps 40 are connected to the plastic pipe 20 and the metal sleeve 30. Finally, the lining 50 is inserted into the plastic pipe 20, so that two ends of the lining body 51 are flush with two ends of the plastic pipe 20, and the connecting bosses 52 are exposed out of the plastic pipe 20 and protrude out of the connecting cover 40. According to the use requirement, the end of the connecting cover 40 far away from the plastic pipe 20 is connected with other equipment, so that the effect of conveying air or water source to the plastic pipe 20 is realized.

Claims

1. A corrosion resistant PE service pipe, comprising:

the plastic pipe comprises a plastic pipe, a metal sleeve, a connecting cover and a lining, wherein the metal sleeve is sleeved on the plastic pipe;

the plastic pipe is provided with a plurality of clamping grooves and connecting grooves, the clamping grooves extend along the axis direction of the plastic pipe on the outer wall of the plastic pipe, and the clamping grooves are parallel to each other; the number of the connecting grooves is two, and the two connecting grooves are respectively positioned on two opposite sides of the plastic pipe;

the inner wall of the metal sleeve is provided with a plurality of elastic bosses which are arranged along the axial direction of the metal sleeve, the elastic bosses are parallel to each other, and each elastic boss is matched with each clamping groove in size; each elastic boss is provided with an elastic hole penetrating through the elastic boss, and the elastic hole is parallel to the axial direction of the metal sleeve;

the number of the connecting covers is two, the connecting covers comprise blocking covers, baffle plates and connecting plates, through holes are formed in the blocking covers, the through holes are concentric with the plastic pipes, the baffle plates are arranged around the blocking covers, are perpendicular to the blocking covers and are connected with the blocking covers; the connecting plate is arranged around the through hole, is positioned in a space surrounded by the baffle, is parallel to the baffle, is connected with the blocking cover and is clamped with the connecting groove;

the lining comprises a lining body and a connecting boss, the lining body is sleeved in the plastic pipe, two ends of the lining body are flush with the plastic pipe, and the connecting boss is located at one end of the lining body, exposed out of the plastic pipe and connected with the lining body; the lining body is kept away from the one end of connecting the boss has seted up connecting grooves, connect the boss with connecting groove size adaptation.

2. A corrosion resistant PE service pipe as defined in claim 1, wherein:

the clamping groove is an arc-shaped groove, and the elastic boss is an arc-shaped boss corresponding to the clamping groove.

3. A corrosion resistant PE service pipe as defined in claim 1, wherein:

and the elastic holes are filled with heat preservation strips.

4. A corrosion resistant PE service pipe as defined in claim 1, wherein:

the spread groove is the annular, the connecting plate be with the annular of spread groove adaptation.

5. A corrosion resistant PE service pipe as defined in claim 1, wherein: a plurality of the intervals between the joint grooves are equal, and a plurality of the intervals between the elastic bosses are also equal.

6. A corrosion resistant PE service pipe as defined in claim 1, wherein:

the number of the clamping grooves and the number of the elastic bosses are 10.

7. A corrosion resistant PE service pipe as defined in claim 1, wherein:

the baffle is annular.