High-impact-resistance continuous winding glass reinforced plastic pipe

Abstract

The utility model discloses a high-impact-resistance continuous winding glass fiber reinforced plastic pipe which is characterized by further comprising a polyurethane strip which is wound between a lining layer and a structural layer and used for enhancing the impact resistance of a glass fiber reinforced plastic pipe body, and rubber ferrules are arranged at the two ends of the glass fiber reinforced plastic pipe body. Through the arrangement of the polyurethane strips, the stamping resistance of the glass reinforced plastic pipe body is improved, and the polyurethane strips are high in elasticity modulus, can quickly restore to the original shape after being stressed and have good elasticity and toughness, so that the glass reinforced plastic pipe body does not crack after being pressed and can quickly restore to the original shape; through the arrangement of the rubber ferrule, the situation that in the carrying process of the glass reinforced plastic pipe body, the end opening of the glass reinforced plastic pipe body is damaged due to collision, and consequently the connection with the pipe connector is affected is effectively prevented, and meanwhile the sealing performance of the connection with the pipe connector is further improved through the rubber ferrule.

Description

TECHNICAL FIELD

[0001] The utility model relates to continuous winding glass steel pipe technical field, specifically point to a kind of continuous winding glass steel pipe of improving impact resistance. BACKGROUND

[0002] Glass steel pipe is mainly used in municipal construction, especially in drainage pipeline engineering, and is widely used, with high strength, corrosion resistance and excellent hydraulic performance;The current conventional glass steel pipe uses meta-benzene type unsaturated polyester resin or vinyl resin as lining resin;The breaking elongation of this lining resin is usually only about 3%, and the highest is not more than 5%, therefore, when suffering external impact, lining is prone to cracking, and the pipe has poor resilience after being pressed, thereby leading to pipe damage or leakage failure, therefore, a kind of high-impact continuous winding glass steel pipe is presented. SUMMARY

[0003] The main purpose of the utility model is to effectively solve the problems in the background art.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of high-impact continuous winding glass steel pipe, including glass steel pipe body and the pipe joint connected with glass steel pipe body, the glass steel pipe body is from inside to outside respectively by lining layer, structural layer and outer surface layer, characterized by: it further includes polyurethane strip for enhancing the impact resistance of glass steel pipe body between lining layer and structural layer, the both ends of glass steel pipe body are equipped with rubber sleeve ring.

[0005] Preferably, the polyurethane strip is a circular strip with a diameter of 0.5mm to 1mm.

[0006] Preferably, the outer side of the rubber sleeve ring is provided with a plurality of guide teeth having a guiding effect.

[0007] Preferably, the outer side of one end of the rubber sleeve ring is provided with a limiting stop ring for limiting the insertion of the pipe joint.

[0008] Preferably, the pipe joint is provided with a sealing ring for connecting with the glass steel pipe body.

[0009] Preferably, the sealing ring is also provided with guide teeth opposite to the guide teeth structure provided on the rubber sleeve ring.

[0010] The utility model has the advantages of the following: the polyurethane strip is arranged, the impact resistance of the glass fiber reinforced plastic pipe body is improved, the elastic modulus of the polyurethane strip is high, the glass fiber reinforced plastic pipe body can quickly recover to the original state after being stressed, and the glass fiber reinforced plastic pipe body has good elasticity and toughness, so that the glass fiber reinforced plastic pipe body does not break after being compressed and can quickly recover to the original state; the rubber sleeve ring is arranged, the glass fiber reinforced plastic pipe body is effectively prevented from being damaged due to collision of the glass fiber reinforced plastic pipe body port during transportation, so that the connection with the pipe joint is not affected, and the rubber sleeve ring also improves the sealing performance of the connection with the pipe joint.

[0011] The guide teeth are arranged, the glass fiber reinforced plastic pipe body can be quickly inserted into the pipe joint, the glass fiber reinforced plastic pipe body and the pipe joint are connected, and the glass fiber reinforced plastic pipe body and the pipe joint are connected after the two forward and reverse guide teeth are connected, so that the glass fiber reinforced plastic pipe body and the pipe joint generate resistance when being reversely stressed, the pipe joint and the glass fiber reinforced plastic pipe body are prevented from being separated, and the connection sealing performance of the glass fiber reinforced plastic pipe body and the pipe joint is improved; the limiting check ring is arranged, the insertion position of the pipe joint when being inserted into the glass fiber reinforced plastic pipe body is limited, and the limiting effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic view of the utility model.

[0013] Figure 2 It is the glass fiber reinforced plastic pipe body and rubber sleeve ring connection schematic view of the utility model.

[0014] Figure 3 It is the pipe joint cross section schematic view of the utility model.

[0015] Figure 4 It is the rubber sleeve ring cross section schematic view of the utility model.

[0016] Figure 5 It is the glass fiber reinforced plastic pipe body cross section schematic view of the utility model.

[0017] Legend: 1, glass fiber reinforced plastic pipe body; 11, inner lining layer; 12, structure layer; 13, outer surface layer; 14, polyurethane strip; 2, pipe joint; 21, sealing ring; 3, rubber sleeve ring; 31, guide tooth; 32, limiting check ring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific implementation manners.

[0019] For example, Figures 1-5As shown in the figure, the high-impact continuous winding glass steel pipe comprises a glass steel pipe body 1 and a pipe joint 2 connected with the glass steel pipe body 1, the glass steel pipe body 1 is composed of an inner lining layer 11, a structure layer 12 and an outer surface layer 13 from inside to outside, and is characterized in that it further comprises polyurethane strips 14 wound between the inner lining layer 11 and the structure layer 12 for enhancing the impact resistance of the glass steel pipe body 1, and rubber sleeves 3 are arranged at both ends of the glass steel pipe body 1; the polyurethane strips 14 are circular strips with a diameter of 0.5-1 mm; the polyurethane strips 14 increase the impact resistance of the glass steel pipe body 1, and have high elastic modulus, can quickly recover to the original state after being stressed, have good elasticity and toughness, so that the glass steel pipe body 1 is not broken after being stressed and can quickly recover to the original state; the rubber sleeves 3 effectively prevent the glass steel pipe body 1 from being damaged at the port due to collision during transportation, so as to affect the connection with the pipe joint 2, and the rubber sleeves 3 also increase the sealing property of the connection with the pipe joint 2.

[0020] In one embodiment, the rubber sleeve 3 is provided with a plurality of guide teeth 31 having a guiding effect on the outside; the rubber sleeve 3 is provided with a limiting stop ring 32 limiting the insertion of the pipe joint 2 on the outside of one end; the pipe joint 2 is provided with a sealing ring 21 for connecting with the glass steel pipe body 1; the sealing ring 21 is also provided with guide teeth 31 opposite to the guide teeth 31 arranged on the rubber sleeve 3; the guide teeth 31 facilitate the quick insertion of the glass steel pipe body 1 into the pipe joint 2 and cooperate with the pipe joint 2, and when the glass steel pipe body 1 and the pipe joint 2 are reversely stressed, the two guide teeth 31 arranged in opposite directions are connected to generate resistance, preventing the pipe joint 2 from being separated from the glass steel pipe body 1 and increasing the sealing property of the connection between the glass steel pipe body 1 and the pipe joint 2; the limiting stop ring 32 limits the insertion position of the pipe joint 2 when being inserted into the glass steel pipe body 1, and plays a limiting role.

[0021] In the production of the utility model, first, the inner lining layer 11 is made, an epoxy resin and a chopped glass fiber mixture are uniformly sprayed on a mold by using a spray gun to form an inner lining layer 11; after the inner lining layer 11 is slightly solidified; the circular polyurethane strips 14 are continuously wound outside the inner lining layer 11 by rotating the mold; then the continuous glass fibers impregnated with resin are wound on the polyurethane strips 14 according to a predetermined angle and number of layers outside the polyurethane strips 14 to form the structure layer 12, and the winding angle and number of layers are determined according to design requirements; the mixture of resin and a small amount of glass fiber is sprayed outside the structure layer 12 to form the outer surface layer 13; finally, the heating steel belt mold is used to transfer heat from the inner wall of the pipe to directly heat the lining resin, an auxiliary pipe wall outer surface infrared heating system is used to improve the curing efficiency of the resin, especially for the lining resin which needs long curing time or rapid curing of the lining, and the heating steel belt axially pushes the glass steel pipe body 1 to move forward under the action of the heating steel belt to assist the pipe production.

[0022] In the connection, first, the glass steel pipe body 1 both ends are sleeved with rubber sleeve 3, then the sealing ring 21 is pasted on the inner wall of pipe joint 2 through the glue, after the adhesion is firm, the pipe joint 2 is inserted into the glass steel pipe body 1, is guided through the guide tooth 31 of rubber sleeve 3 and the guide tooth 31 of sealing ring 21, is inserted quickly, until the pipe joint 2 is inserted into the limiting stopper 32 of rubber sleeve 3 and stops inserting, the connection of glass steel pipe body 1 and pipe joint 2 can be completed.

[0023] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high impact continuous winding glass steel pipe, comprising a glass steel pipe body (1) and a pipe joint (2) connected with the glass steel pipe body (1), the glass steel pipe body (1) is composed of an inner liner (11), a structural layer (12) and an outer surface layer (13) from inside to outside, characterized in that: It also includes polyurethane strips (14) wound between the inner liner (11) and the structural layer (12) for enhancing the resistance to impact of the glass steel pipe body (1), and rubber rings (3) are arranged at both ends of the glass steel pipe body (1).

2. A high impact continuous filament wound glass reinforced pipe according to claim 1, characterized in that: The polyurethane strips (14) are circular strips with a diameter of 0.5-1 mm.

3. A high impact continuous filament wound glass reinforced pipe according to claim 1, characterized in that: The rubber rings (3) are provided with a plurality of guide teeth (31) on the outer side for guiding.

4. A high impact continuous filament wound glass reinforced pipe according to claim 3, characterised in that: The rubber rings (3) are provided with a limiting ring (32) on the outer side of one end for limiting the insertion of the pipe joint (2).

5. A high impact continuous filament wound glass reinforced pipe according to claim 1, characterized in that: The pipe joint (2) is provided with a sealing ring (21) inside for connecting with the glass steel pipe body (1).

6. A high impact continuous filament wound glass reinforced pipe according to claim 5, characterised in that: The sealing ring (21) is also provided with guide teeth (31) opposite to the guide teeth (31) on the rubber ring (3).

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