High-pressure rubber pipe for hydraulic conveying

Abstract

The utility model belongs to the technical field of rubber pipes, and discloses a high-pressure rubber pipe for hydraulic conveying, which comprises a high-pressure rubber pipe, and the high-pressure rubber pipe comprises an inner rubber pipe; the elastic layer is arranged on the outer surface of the inner rubber pipe; the reinforcing structure is arranged on the outer surface of the elastic layer; the outer protective layer is arranged on the reinforcing structure, the two ends of the high-pressure rubber pipe communicate with sleeves, the ends, away from the high-pressure rubber pipe, of the sleeves communicate with assembly heads, the elastic layer is made of butadiene styrene rubber, and a plurality of buffer cavities are formed in the elastic layer and distributed in a circumferential array mode. The thickness of the elastic layer is half of the thickness of the inner rubber pipe, the reinforcing structure comprises a reinforcing layer, the reinforcing layer is arranged on the outer surface of the elastic layer, an outer rubber pipe is arranged on the outer surface of the reinforcing layer, and the outer protective layer is arranged on the outer rubber pipe. The strength of the rubber pipe can be improved so as to prevent the rubber pipe from being broken, and the service life of the rubber pipe can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber pipe technical field especially relates to a high pressure rubber pipe for hydraulic delivery. BACKGROUND

[0002] The high pressure rubber pipe for hydraulic delivery is a pipeline for delivering high pressure liquid, which is mainly used for delivering high pressure fluid, such as hydraulic machine, aircraft, mine machinery, agricultural equipment, construction machinery, railway locomotive and automobile power system.

[0003] When the rubber pipe is used for liquid flow, the current rubber pipe is single layer, and when the water pressure of the liquid is too large, the rubber pipe is prone to rupture due to the water pressure filled in the liquid, and the single layer pipeline has the problem of low strength, therefore, the high pressure rubber pipe for hydraulic delivery is provided. SUMMARY

[0004] In order to overcome the defects of the prior art as pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a high pressure rubber pipe for hydraulic delivery to solve the technical problem that the current rubber pipe is prone to rupture and the single layer pipeline has low strength.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A high pressure rubber pipe for hydraulic delivery, comprising a high pressure rubber pipe, the high pressure rubber pipe comprising an inner rubber pipe;

[0008] An elastic layer is arranged on the outer surface of the inner rubber pipe;

[0009] A reinforcing structure is arranged on the outer surface of the elastic layer;

[0010] An outer protective layer is arranged on the reinforcing structure.

[0011] As an improved technical scheme, the two ends of the high pressure rubber pipe are communicated with sleeves, and the end of the sleeve away from the high pressure rubber pipe is communicated with an assembly head.

[0012] As an improved technical scheme, the elastic layer is made of styrene butadiene rubber, and a plurality of buffer cavities are arranged in the elastic layer in a circumferential array.

[0013] As an improved technical scheme, the thickness of the elastic layer is one half of the thickness of the inner rubber pipe.

[0014] As an improved technical scheme, the reinforcing structure comprises a reinforcing layer, the reinforcing layer is arranged on the outer surface of the elastic layer, an outer rubber tube is arranged on the outer surface of the reinforcing layer, and the outer protective layer is arranged on the outer rubber tube.

[0015] As an improved technical scheme, the reinforcing layer is formed by interweaving, braiding or winding steel wires and synthetic fibers.

[0016] As an improved technical scheme, the sum of the thicknesses of the reinforcing layer and the outer rubber tube is equal to the thickness of the inner rubber tube.

[0017] As an improved technical scheme, the outer protective layer is made of nitrile rubber.

[0018] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows:

[0019] 1. According to the utility model, the reinforcing layer and the outer rubber tube are arranged, and the reinforcing layer is formed by interweaving, braiding or winding steel wires and synthetic fibers, the steel wires and the synthetic fibers have the characteristics of high pressure resistance and strong tensile resistance, so that the strength of the high-pressure rubber tube can be improved, the high-pressure rubber tube can be prevented from being broken, and the service life of the high-pressure rubber tube can be prolonged.

[0020] 2. According to the utility model, when the water pressure of the liquid is too large, shock waves or pressure pulsations can be generated in the inner rubber tube, at this time, the buffer cavity can reduce the changes of pressure and flow by absorbing the pulsations, so as to ensure the stability of the high-pressure rubber tube.

[0021] 3. According to the utility model, the outer protective layer is made of nitrile rubber, the nitrile rubber has good oil resistance, wear resistance and aging resistance, so that the oil resistance, wear resistance and aging resistance of the high-pressure rubber tube can be improved. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings. Among them:

[0023] Figure 1 It is the whole structure schematic diagram of the high-pressure rubber tube for hydraulic conveying of the utility model.

[0024] Figure 2 It is the rubber tube cut structure schematic diagram in the whole structure of the high-pressure rubber tube for hydraulic conveying of the utility model.

[0025] Figure 3The utility model discloses a high pressure rubber pipe for hydraulic delivery Figure 2 The enlarged structure schematic diagram of the middle A is shown.

[0026] The mark explanation is as follows:

[0027] In the drawing: 1, high pressure rubber pipe; 11, inner rubber pipe; 12, elastic layer; 121, buffer cavity; 131, reinforcing layer; 132, outer rubber pipe; 14, outer protective layer; 2, sleeve; 3, assembly head. Specific embodiment

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described 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. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0030] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes.

[0031] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0032] Referring to Figures 1-3 , a high pressure rubber pipe for hydraulic delivery is provided, which comprises a high pressure rubber pipe 1, the high pressure rubber pipe 1 comprises an inner rubber pipe 11;

[0033] An elastic layer 12 is arranged on the outer surface of the inner rubber pipe 11;

[0034] The reinforcing structure is arranged on the outer surface of the elastic layer 12.

[0035] The outer protective layer 14 is arranged on the reinforcing structure.

[0036] Referring to Figure 1 Both ends of the high-pressure rubber pipe 1 are communicated with the sleeve 2, and the end of the sleeve 2 away from the high-pressure rubber pipe 1 is communicated with the assembly head 3. In application, the assembly head 3 is connected with other connection interfaces to facilitate the assembly of the high-pressure rubber pipe 1.

[0037] Referring to Figure 2 And Figure 3 The elastic layer 12 is made of styrene-butadiene rubber, and a plurality of buffer cavities 121 are arranged in the elastic layer 12 in a circumferential array.

[0038] The thickness of the elastic layer 12 is one half of the thickness of the inner rubber pipe 11. In application, when the water pressure of the liquid is too large, shock waves or pressure pulsations will be generated in the inner rubber pipe 11. At this time, the buffer cavities 121 can reduce the changes of pressure and flow by absorbing these pulsations to ensure the stability of the high-pressure rubber pipe 1.

[0039] Referring to Figure 2 And Figure 3 The reinforcing structure includes a reinforcing layer 131 arranged on the outer surface of the elastic layer 12, an outer rubber pipe 132 arranged on the outer surface of the reinforcing layer 131, and an outer protective layer 14 arranged on the outer rubber pipe 132.

[0040] The reinforcing layer 131 is formed by interweaving, braiding or winding steel wires and synthetic fibers.

[0041] The sum of the thicknesses of the reinforcing layer 131 and the outer rubber pipe 132 is equal to the thickness of the inner rubber pipe 11. In application, the reinforcing layer 131 and the outer rubber pipe 132 are arranged, and the reinforcing layer 131 is formed by interweaving, braiding or winding steel wires and synthetic fibers. Since the steel wires and the synthetic fibers have the characteristics of high pressure resistance and strong tensile resistance, the strength of the high-pressure rubber pipe 1 can be improved to prevent the high-pressure rubber pipe 1 from being broken, thereby prolonging the service life of the high-pressure rubber pipe 1.

[0042] Referring to Figure 2 And Figure 3 The outer protective layer 14 is made of nitrile rubber. Since the nitrile rubber has good oil resistance, wear resistance and aging resistance, the oil resistance, wear resistance and aging resistance of the high-pressure rubber pipe 1 can be improved.

[0043] It should be understood that the use of these embodiments is by way of illustration only and is not intended to limit the scope of the present application. In addition, it should also be understood that, after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or changes to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A high-pressure rubber tube for hydraulic delivery, comprising a high-pressure rubber tube (1), characterized by: The high-pressure rubber pipe (1) comprises an inner rubber pipe (11), sleeve pipes (2) are communicated with both ends of the high-pressure rubber pipe (1), and a fitting head (3) is communicated with one end of the sleeve pipe (2) away from the high-pressure rubber pipe (1); An elastic layer (12) is arranged on the outer surface of the inner rubber pipe (11), the elastic layer (12) is made of butadiene styrene rubber, a plurality of buffer cavities (121) are arranged in the elastic layer (12), the buffer cavities (121) are arranged in a circular array, and the thickness of the elastic layer (12) is one half of the thickness of the inner rubber pipe (11); A reinforcing structure is arranged on the outer surface of the elastic layer (12), the reinforcing structure comprises a reinforcing layer (131), the reinforcing layer (131) is arranged on the outer surface of the elastic layer (12), an outer rubber pipe (132) is arranged on the outer surface of the reinforcing layer (131), the reinforcing layer (131) is formed by interweaving, braiding or winding steel wires and synthetic fibers, and the sum of the thicknesses of the reinforcing layer (131) and the outer rubber pipe (132) is equal to the thickness of the inner rubber pipe (11); An outer protective layer (14) is arranged on the reinforcing structure, the outer protective layer (14) is arranged on the outer rubber pipe (132), and the outer protective layer (14) is made of butyronitrile rubber.

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