Hydraulic rubber pipe assembly

Abstract

The utility model belongs to the technical field of hose assemblies, and particularly relates to a hydraulic rubber hose assembly which comprises a hydraulic rubber hose, a connector is fixedly installed on the outer surface of the hydraulic rubber hose, and the connector is composed of a sealing fixing mechanism and a thread sealing mechanism. The sealing fixing mechanism comprises a connecting pipe, a first guide pipe is fixedly installed on one side of the connecting pipe, an extrusion pipe is arranged on the side, away from the first guide pipe, of the connecting pipe, a fixing nail is fixedly installed on the inner surface of the extrusion pipe, and a meshing groove is formed in the outer surface of the fixing nail. According to the hydraulic rubber pipe assembly, the elastic rubber pipe is inserted into the hydraulic rubber pipe, the elastic rubber pipe and the hydraulic rubber pipe are bonded through the adhesive layer, then the extrusion pipe is inserted into the elastic rubber pipe, the extrusion pipe is extruded through extrusion equipment, the fixing nail of the extrusion pipe is inserted into the elastic rubber pipe, and meanwhile heating is conducted when the extrusion pipe is extruded through the extrusion equipment; and the elastic rubber pipe is softened and filled into the meshing groove in the fixing nail, and then the hydraulic pipe is inserted into the threaded pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hose assembly, especially relates to a hydraulic rubber tube assembly. BACKGROUND

[0002] Hydraulic rubber tube is widely used in mine equipment, construction engineering machinery, hoisting equipment, ship, agricultural machinery and various hydraulic equipment, and the hydraulic rubber tube is a key component of the hydraulic equipment, and its role is to transmit high pressure hydraulic oil between the hydraulic units.

[0003] The hydraulic rubber tube assembly is usually composed of two interfaces and a rubber tube, which has the following problems in actual operation:

[0004] 1. Since the hydraulic rubber tube is also a weak link in the hydraulic equipment, the normal operation of the hydraulic equipment is often affected by the failure of the hydraulic rubber tube, and most of the failures of the hydraulic rubber tube occur at the connection between the joint and the pipe body, and the joint and the pipe body are loose or fall off from the pipe body;

[0005] 2. Since the joint and the pipe body are usually fixed by the hydraulic equipment, the fixing effect is poor, the pipe body expands and shrinks for a long time, and the joint and the pipe body are loose and fall off. SUMMARY

[0006] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the present utility model is completed.

[0007] Specifically, the technical problem to be solved by the present utility model is to provide a hydraulic rubber tube assembly to solve the technical problem that the current rubber tube and joint are easy to loosen, the compression resistance is weak, and there is often unreliable connection between the pipe assembly and the hydraulic element, resulting in water, air and oil leakage.

[0008] To solve the above technical problems, the present utility model provides the following technical scheme:

[0009] A hydraulic rubber tube assembly, comprising a hydraulic rubber tube, a joint fixedly installed on the outer surface of the hydraulic rubber tube, and a hydraulic pipe threadedly installed on the inner surface of the joint, the joint being composed of a sealing fixing mechanism and a threaded sealing mechanism;

[0010] The sealing fixing mechanism comprises a connecting pipe, a first guide pipe fixedly installed on one side of the connecting pipe, and an extrusion pipe provided on one side of the connecting pipe and away from the first guide pipe, a fixing nail fixedly installed on the inner surface of the extrusion pipe, and a meshing groove opened on the outer surface of the fixing nail.

[0011] As an improved technical solution, the sealing and fixing mechanism further comprises an elastic rubber pipe, an outer surface of the elastic rubber pipe is fixedly connected with an inner surface of the extrusion pipe, and an inner surface of the elastic rubber pipe is clamped with an outer surface of the fixing nail.

[0012] As an improved technical solution, the sealing and fixing mechanism further comprises a sticky layer, an outer surface of the sticky layer is fixedly connected with an inner surface of the elastic rubber pipe, and an inner surface of the sticky layer is fixedly connected with an outer surface of the hydraulic rubber pipe.

[0013] As an improved technical solution, the screw sealing mechanism comprises a screw pipe, one side of the screw pipe is fixedly connected with the other end of the connecting pipe, a hexagonal bolt is screw-mounted on an outer surface of the screw pipe, the other side of the screw pipe is fixedly installed with a second guide pipe, and a sealing rubber ring is fixedly installed on an outer surface of the second guide pipe.

[0014] As an improved technical solution, the screw sealing mechanism further comprises a sealing gasket, an outer surface of the sealing gasket is fixedly connected with an inner surface of the screw pipe.

[0015] As an improved technical solution, the screw sealing mechanism further comprises that an inner surface of the screw pipe is clamped with an outer surface of the hydraulic pipe.

[0016] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model discloses a more firm design that increases the hydraulic rubber pipe and the joint connection, through the cooperation of the connecting pipe and the first guide pipe with the extrusion pipe and the fixing nail, the cooperation of the fixing nail and the meshing groove with the elastic rubber pipe and the sticky layer, and the cooperation of the elastic rubber pipe and the sticky layer with the hydraulic rubber pipe and the first guide pipe, the pressure of the hydraulic oil is absorbed and released, the adsorption force between the fixing nail and the meshing groove and the elastic rubber pipe is utilized to increase the fixing force between the joint and the hydraulic rubber pipe, the hydraulic rubber pipe is prevented from swelling and shrinking under the hydraulic oil pressure, the tension is transmitted to the joint, and the joint and the pipe body are prevented from loosening and falling off.

[0018] 2. The utility model discloses a more firm design that increases the fixation between the hydraulic rubber pipe and the hydraulic element, through the cooperation of the connecting pipe and the screw pipe with the hexagonal bolt, the cooperation of the screw pipe and the second guide pipe with the sealing rubber ring and the sealing gasket, the connection between the hydraulic rubber pipe assembly and the hydraulic pipe is more firm, the hydraulic oil pressure between the hydraulic rubber pipe assembly and the hydraulic pipe is increased, and the problem that the connection between the pipe assembly and the hydraulic element is unreliable and causes the problems of water leakage, air leakage and oil leakage is avoided. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those skilled in the art without creative labor on the premise of the drawings are within the scope of the present application.

[0020] Figure 1 It is a whole three-dimensional structure schematic diagram of the hydraulic rubber pipe assembly of the present application.

[0021] Figure 2 It is a three-dimensional sectional structure schematic diagram of the sealing fixing mechanism of the hydraulic rubber pipe assembly of the present application.

[0022] Figure 3 It is a three-dimensional structure schematic diagram of the fixing nail of the hydraulic rubber pipe assembly of the present application.

[0023] Figure 4 It is a three-dimensional sectional structure schematic diagram of the threaded sealing mechanism of the hydraulic rubber pipe assembly of the present application.

[0024] Explanation of reference signs:

[0025] 1, hydraulic rubber pipe; 2, joint; 3, hydraulic pipe; 4, sealing fixing mechanism; 41, connecting pipe; 42, No. 1 guide pipe; 43, extruded pipe; 44, fixing nail; 45, meshing groove; 46, elastic rubber pipe; 47, adhesive layer; 5, threaded sealing mechanism; 51, threaded pipe; 52, hexagonal bolt; 53, No. 2 guide pipe; 54, sealing rubber ring; 55, sealing gasket. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0028] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is 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.

[0029] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included 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 ordinary 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, nor in the protection scope required by the present application.

[0030] As shown in Figure 1 , Figure 2 and Figure 3 , the present embodiment provides a hydraulic rubber pipe assembly, which comprises a hydraulic rubber pipe 1, a connector 2 fixedly installed on the outer surface of the hydraulic rubber pipe 1, a hydraulic pipe 3 threadedly installed on the inner surface of the connector 2, and the connector 2 is composed of a sealing fixing mechanism 4 and a threaded sealing mechanism 5.

[0031] The sealing fixing mechanism 4 comprises a connecting pipe 41, a first guide pipe 42 fixedly installed on one side of the connecting pipe 41, and an extrusion pipe 43 arranged on the other side of the connecting pipe 41 away from the first guide pipe 42, the inner surface of the extrusion pipe 43 is fixedly installed with a fixing nail 44, and the outer surface of the fixing nail 44 is provided with an engaging groove 45.

[0032] The first guide pipe 42 guides the hydraulic oil to move into the connecting pipe 41 and the threaded pipe 51, so that the pressure of the hydraulic oil is extruded on the first guide pipe 42.

[0033] As shown in Figure 1 and Figure 4 , the sealing fixing mechanism 4 further comprises a spring rubber pipe 46, the outer surface of the spring rubber pipe 46 is fixedly connected with the inner surface of the extrusion pipe 43, and the inner surface of the spring rubber pipe 46 is clamped with the outer surface of the fixing nail 44.

[0034] As shown in Figure 1 and Figure 4 , the sealing fixing mechanism 4 further comprises an adhesive layer 47, the outer surface of the adhesive layer 47 is fixedly connected with the inner surface of the spring rubber pipe 46, and the inner surface of the adhesive layer 47 is fixedly connected with the outer surface of the hydraulic rubber pipe 1.

[0035] As shown in Figure 1 and Figure 4 , the threaded sealing mechanism 5 comprises a threaded pipe 51, one side of the threaded pipe 51 is fixedly connected with the other end of the connecting pipe 41, the outer surface of the threaded pipe 51 is threadedly installed with a hexagonal bolt 52, the other side of the threaded pipe 51 is fixedly installed with a second guide pipe 53, and the outer surface of the second guide pipe 53 is fixedly installed with a sealing rubber ring 54.

[0036] The second guide pipe 53 guides the hydraulic oil to flow into the hydraulic pipe 3, and the pressure of the hydraulic oil presses the second guide pipe 53.

[0037] As shown in Figure 1 and Figure 4 As shown in Figs. 1 and 2, the threaded sealing mechanism 5 further comprises a sealing gasket 55, and the outer surface of the sealing gasket 55 is fixedly connected with the inner surface of the threaded pipe 51.

[0038] As shown in Figure 1 and Figure 4 As shown in Figs. 1 and 2, the threaded sealing mechanism 5 further comprises that the inner surface of the threaded pipe 51 is clamped with the outer surface of the hydraulic pipe 3.

[0039] In use, the user firstly inserts the elastic rubber pipe 46 into the hydraulic rubber pipe 1, and the adhesive layer 47 adheres the elastic rubber pipe 46 to the hydraulic rubber pipe 1, then inserts the extrusion pipe 43 into the elastic rubber pipe 46, and extrudes the extrusion pipe 43 by using an extrusion device, inserts the fixing nail 44 of the extrusion pipe 43 into the elastic rubber pipe 46, and the extrusion device is heated when extruding the extrusion pipe 43, so that the elastic rubber pipe 46 is softened and filled into the engaging groove 45 of the fixing nail 44, then inserts the hydraulic pipe 3 into the threaded pipe 51, and rotates the hexagonal bolt 52 to connect the threaded pipe 51 and the hydraulic pipe 3.

[0040] It should be understood that the use of these embodiments is only for illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or deformations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A hydraulic hose assembly comprising a hydraulic hose (1), characterized in that: The outer surface of the hydraulic hose (1) is fixedly mounted with a joint (2), the inner surface of the joint (2) is threadedly mounted with a hydraulic pipe (3), and the joint (2) is composed of a sealing fixing mechanism (4) and a thread sealing mechanism (5); The sealing fixing mechanism (4) comprises a connecting tube (41), a first guide tube (42) being fixedly mounted on one side of the connecting tube (41), an extrusion tube (43) being provided on one side of the connecting tube (41) away from the first guide tube (42), a fixing pin (44) being fixedly mounted on the inner surface of the extrusion tube (43), and an engaging groove (45) being provided on the outer surface of the fixing pin (44).

2. The hydraulic hose assembly of claim 1, wherein: The sealing and fixing mechanism (4) further comprises an elastic rubber tube (46), the outer surface of the elastic rubber tube (46) being fixedly connected to the inner surface of the extrusion tube (43), and the inner surface of the elastic rubber tube (46) being clamped to the outer surface of the fixing pin (44).

3. The hydraulic hose assembly of claim 1, wherein: The sealing and fixing mechanism (4) further comprises an adhesive layer (47), the outer surface of the adhesive layer (47) being fixedly connected to the inner surface of the elastic rubber tube (46), and the inner surface of the adhesive layer (47) being fixedly connected to the outer surface of the hydraulic hose (1).

4. The hydraulic hose assembly of claim 1, wherein: The threaded sealing mechanism (5) comprises a threaded tube (51), one side of the threaded tube (51) is fixedly connected to the other end of the connecting tube (41), a hexagonal bolt (52) is threadedly mounted on the outer surface of the threaded tube (51), a second guide tube (53) is fixedly mounted on the other side of the threaded tube (51), and a sealing rubber ring (54) is fixedly mounted on the outer surface of the second guide tube (53).

5. The hydraulic hose assembly of claim 1, wherein: The threaded sealing mechanism (5) further comprises a sealing gasket (55), the outer surface of the sealing gasket (55) being fixedly connected to the inner surface of the threaded tube (51).

6. The hydraulic hose assembly of claim 1, wherein: The threaded sealing mechanism (5) further comprises an inner surface of a threaded tube (51) that is clamped with an outer surface of the hydraulic tube (3).

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