Impact-resistant plastic pipe fitting

Abstract

The utility model discloses an impact-resistant plastic pipe fitting, and relates to the technical field of plastic pipe fittings, the impact-resistant plastic pipe fitting comprises a pipe body, an inner layer, a middle layer and an outer layer are respectively arranged in the pipe body, a first reinforcing layer is arranged between the inner layer and the middle layer, and a second reinforcing layer is arranged between the middle layer and the outer layer. A second reinforcing layer is installed between the middle layer and the outer layer, the outer wall of the pipe body is sleeved with a supporting ring, the supporting ring is composed of a first supporting plate and a second supporting plate, air bags are installed on the inner wall of the first supporting plate and the inner wall of the second supporting plate, a clamping groove is formed in one end of the upper portion of the second supporting plate, and a clamping groove is formed in the other end of the upper portion of the second supporting plate. Through holes are formed in the two sides of the clamping groove, and a clamping plate is installed at one end of the upper portion of the first supporting plate. According to the scheme, the problems that in the using process of an existing plastic pipe fitting, due to the fact that the strength of the plastic pipe is low, in the using process of the plastic pipe, the impact damage resistance effect is poor, the plastic pipe is prone to being damaged after being impacted, and then the plastic pipe is damaged are solved; and normal use is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic pipe technology field, concretely is a kind of plastic pipe fittings of impact resistance. BACKGROUND

[0002] Plastic pipe is generally with synthetic resin, that is polyester as raw material, join stabilizer, lubricant, plasticizer etc., with the method of "plastic" in the pipe making machine is extruded and is formed. Mainly used as housing construction's water supply system pipe, drainage, exhaust and sanitary pipe of pollution, underground drainage pipe system, rainwater pipe and the threading pipe of wire installation supporting use, plastic pipe variety is many, divides into thermoplastic plastic pipe and thermosetting plastic pipe two big categories.

[0003] Such as the announcement number CN202629388U is named plastic pipe fitting, the device includes the pipe fitting body with connecting port, pipe fitting body includes outer wall and inner wall, the inner wall of connecting port is fixed with at least two elastic members, the elastic member is evenly distributed along the circumferential direction.The plastic pipe fitting of the utility model is suitable for the pipe fitting of elbow, flange, three-way pipe fitting, four-way pipe fitting and various shapes such as reducing pipe fitting.

[0004] The above-mentioned device in the process of using because the strength of plastic pipe is low, so that the plastic pipe in the process of using, the effect of impact resistance is poor, is easily damaged after impact, in turn causes the damage of plastic pipe, affects normal use;Therefore we put forward a kind of plastic pipe fittings of impact resistance, to solve the problems raised in the above-mentioned. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of plastic pipe fittings of impact resistance, to solve the problems raised in the above-mentioned background art that the existing plastic pipe fittings in the process of using because the strength of plastic pipe is low, so that the plastic pipe in the process of using, the effect of impact resistance is poor, is easily damaged after impact, in turn causes the damage of plastic pipe, affects normal use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of plastic pipe fittings of impact resistance, including pipe body, the inner portion of the pipe body is provided with inner layer, middle layer and outer layer respectively, wherein the first reinforcing layer is installed between the inner layer and the middle layer, the second reinforcing layer is installed between the middle layer and the outer layer, the outer wall of the pipe body is sleeved with support ring, the support ring is composed of first support plate and second support plate, the inner wall of the first support plate and the second support plate is all installed with air bag, one end of the upper portion of the second support plate is provided with clamping groove, the both sides of the clamping groove are provided with through hole, one end of the upper portion of the first support plate is installed with clamping plate, the both sides of the other end of the clamping plate are installed with limit spring, the other side of the limit spring is installed with limit plate, the inside of the limit spring is installed with second telescopic rod.

[0007] Preferably, a compatibility agent layer is arranged between the inner layer and the first reinforcing layer, and the compatibility agent layer is arranged between the middle layer and the second reinforcing layer and between the second reinforcing layer and the outer layer.

[0008] Preferably, the lower part of the first supporting plate is provided with a through slot, a fixing rod is arranged in the through slot, the two sides of the fixing rod are connected with the first supporting plate through bearings, a connecting plate is fixedly arranged on the outer wall of the fixing rod, and the other end of the connecting plate is fixedly connected with the lower part of the second supporting plate.

[0009] Preferably, the lower part of the one side of the air bag is provided with an air inlet valve, and the upper part of the one side of the air bag is provided with an air outlet valve; the air inlet valve and the air outlet valve are both one-way valves.

[0010] Preferably, the one side of the air bag close to the pipe body is provided with a rubber pad.

[0011] Preferably, the outer wall of the pipe body is provided with a plurality of groups of positioning grooves, the positioning grooves are uniformly distributed on the outer wall of the pipe body, the one side of the rubber pad close to the pipe body is provided with a positioning spring, the other end of the positioning spring is provided with a positioning plate, and the inside of the positioning spring is provided with a first telescopic rod.

[0012] Preferably, the upper parts of the first supporting plate and the second supporting plate are both provided with mounting plates, and mounting holes are arranged on the two sides in the mounting plates.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model discloses a pipe fitting with a plurality of layers, which is composed of an inner layer, a middle layer and an outer layer.

[0015] (2) The positioning groove, the positioning spring, the positioning plate and the first telescopic rod are combined to position the supporting ring on the outer wall of the pipe body, so that the supporting ring is prevented from being displaced on the outer wall of the pipe body, and the stability and accuracy of the supporting ring on the pipe body are ensured.

[0016] (3), through the through hole, limit spring, limit plate and the second telescopic rod can be carded into the card slot inside, can realize the preliminary connection of the first support plate and the second support plate, through the setting of the mounting hole can be connected through the bolt two mounting plate, thus realized the installation of the support ring. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is the right view cross section structure schematic diagram of the utility model;

[0020] Figure 4 It is the internal cross section structure schematic diagram of the pipe body in the utility model;

[0021] Figure 5 It is the internal structure schematic diagram of A in the utility model;

[0022] In the drawing: 1, pipe body;2, inner layer;3, middle layer;4, outer layer;5, first reinforcing layer;6, second reinforcing layer;7, compatible agent layer;8, support ring;9, first support plate;10, second support plate;11, through slot;12, fixed rod;13, bearing;14, connecting plate;15, air bag;16, inlet valve;17, outlet valve;18, rubber pad;19, positioning groove;20, positioning spring;21, positioning plate;22, first telescopic rod;23, card slot;24, through hole;25, card plate;26, limit spring;27, limit plate;28, second telescopic rod;29, mounting plate;30, mounting hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5The utility model provides an embodiment: a kind of impact-resistant plastic pipe fittings, the inner portion of pipe body 1 is provided with inner layer 2, middle layer 3 and outer layer 4 respectively, inner layer 2 uses high corrosion resistance polymer material, can directly contact conveying medium, resist chemical attack, while also can provide smooth inner wall for pipe body 1 to reduce fluid resistance, prevent scale formation, middle layer 3 uses continuous fiber weaving winding structure, by the high modulus characteristics of continuous fiber can significantly improve the overall stiffness of pipe body 1, inhibit crack propagation, prevent structure failure caused by local impact, outer layer 4 uses anti-aging modified polymer material, can effectively resist degradation caused by ultraviolet, oxidation and temperature cycle, wherein first reinforcing layer 5 is installed between inner layer 2 and middle layer 3, second reinforcing layer 6 is installed between middle layer 3 and outer layer 4, first reinforcing layer 5 uses carbon fiber reinforced composite material, can be used as core mechanics reinforcing layer, bear pipe body 1 tensile, compression and impact load, also can buffer stress transmission between inner layer 2 and middle layer 3, second reinforcing layer 6 uses long fiber reinforced thermoplastic plastic, can provide local bending stiffness for pipe body 1, resist external extrusion deformation, while stress dispersion avoids concentration. The multilayer composite reinforcing structure of pipe body 1 can effectively improve the impact resistance of pipe body 1, avoid pipe body 1 breakage, deformation and other problems. The outer wall of pipe body 1 is sleeved with support ring 8, support ring 8 is composed of first support plate 9 and second support plate 10, please refer to Figure 2 The lower portion of first support plate 9 is provided with through slot 11, fixed rod 12 is installed in the inside of through slot 11, the two sides of fixed rod 12 are connected with first support plate 9 by bearing 13, connecting plate 14 is fixedly installed on the outer wall of fixed rod 12, the other end of connecting plate 14 is fixedly connected with the lower portion of second support plate 10. The lower portion of second support plate 10 is rotatably connected with the lower portion of first support plate 9 by the cooperation of through slot 11, fixed rod 12, bearing 13 and connecting plate 14, so as to facilitate the installation and disassembly of support ring 8, improve the practicability and convenience of support ring 8. The inner wall of first support plate 9 and second support plate 10 is all installed with air bag 15, please refer to Figure 3 Rubber pad 18 is installed on the side of air bag 15 close to pipe body 1, the setting of rubber pad 18 can provide damping and buffering effect for pipe body 1, while the installation of rubber pad 18 can avoid that hard air bag 15 edge scratches the anticorrosion coating of pipe body 1 outer wall, protects the surface integrity of pipe body 1. Please refer to Figure 3The outer wall of the pipe body 1 is provided with a plurality of positioning grooves 19 at both ends, the positioning grooves 19 are uniformly distributed on the outer wall of the pipe body 1, the rubber pad 18 is installed on one side of the pipe body 1, the other end of the positioning spring 20 is installed on the positioning plate 21, and the first telescopic rod 22 is installed in the positioning spring 20. Figure 1 The upper part of the second support plate 10 is provided with a clamping groove 23, the two sides of the clamping groove 23 are provided with through holes 24, the upper part of the first support plate 9 is provided with a clamping plate 25, the two sides of the other end of the clamping plate 25 are provided with limiting springs 26, the other side of the limiting spring 26 is provided with a limiting plate 27, and the second telescopic rod 28 is installed in the limiting spring 26.

[0025] Please refer to Figure 4 A compatible agent layer 7 is arranged between the inner layer 2 and the first reinforcing layer 5, a compatible agent layer 7 is arranged between the middle layer 3 and the second reinforcing layer 6, and a compatible agent layer 7 is arranged between the second reinforcing layer 6 and the outer layer 4.

[0026] Please refer to Figure 1 The lower part of one side of the air bag 15 is provided with an air inlet valve 16, and the upper part of one side of the air bag 15 is provided with an air outlet valve 17. The air inlet valve 16 and the air outlet valve 17 are both one-way valves. The design of the air bag 15 allows air to flow in through the air inlet valve 16, while ensuring that air can only be discharged through the air outlet valve 17. This design ensures that the air bag 15 can quickly inflate when needed, and quickly deflate when not needed, to adapt to different use scenarios.

[0027] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. An impact-resistant plastic pipe fitting, comprising a pipe body (1), characterized in that: The tube body (1) is provided with an inner layer (2), a middle layer (3) and an outer layer (4) respectively. A first reinforcing layer (5) is installed between the inner layer (2) and the middle layer (3), and a second reinforcing layer (6) is installed between the middle layer (3) and the outer layer (4). A support ring (8) is sleeved on the outer wall of the tube body (1). The support ring (8) is composed of a first support plate (9) and a second support plate (10). The inner wall of the first support plate (9) is equipped with an airbag (15). A slot (23) is provided at one end of the upper part of the second support plate (10). Through holes (24) are provided on both sides of the slot (23). A card plate (25) is installed at one end of the upper part of the first support plate (9). Limiting springs (26) are installed on both sides of the other end of the card plate (25). A limiting plate (27) is installed on the other side of the limiting spring (26). A second telescopic rod (28) is installed inside the limiting spring (26).

2. The impact-resistant plastic pipe fitting according to claim 1, characterized in that: A compatibilizer layer (7) is provided between the inner layer (2) and the first reinforcing layer (5), and the compatibilizer layer (7) is provided between the middle layer (3) and the second reinforcing layer (6) and between the second reinforcing layer (6) and the outer layer (4).

3. The impact-resistant plastic pipe fitting according to claim 1, characterized in that: The lower part of the first support plate (9) is provided with a through groove (11), and a fixing rod (12) is installed inside the through groove (11). The two sides of the fixing rod (12) are connected to the first support plate (9) through bearings (13). A connecting plate (14) is fixedly installed on the outer wall of the fixing rod (12), and the other end of the connecting plate (14) is fixedly connected to the lower part of the second support plate (10).

4. The impact-resistant plastic pipe fitting according to claim 1, characterized in that: An air inlet valve (16) is installed on the lower part of one side of the airbag (15), and an air outlet valve (17) is installed on the upper part of one side of the airbag (15). Both the air inlet valve (16) and the air outlet valve (17) are one-way valves.

5. The impact-resistant plastic pipe fitting according to claim 1, characterized in that: A rubber pad (18) is installed on the side of the airbag (15) near the tube (1).

6. The impact-resistant plastic pipe fitting according to claim 5, characterized in that: Multiple sets of positioning grooves (19) are provided at both ends of the outer wall of the tube body (1). The positioning grooves (19) are evenly distributed on the outer wall of the tube body (1). A positioning spring (20) is installed on the side of the rubber pad (18) close to the tube body (1). A positioning plate (21) is installed on the other end of the positioning spring (20). A first telescopic rod (22) is installed inside the positioning spring (20).

7. The impact-resistant plastic pipe fitting according to claim 1, characterized in that: Mounting plates (29) are installed on the upper part of both the first support plate (9) and the second support plate (10), and mounting holes (30) are provided on both sides inside the mounting plate (29).

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