Pressure hose, connecting parts used in conjunction with it and combination of the two

A technology of pressure hose and combination device, which is applied in the direction of hose connection device, pipe/pipe joint/pipe fitting, mechanical equipment, etc., can solve the problem that the joint core and the hose sleeve cannot be reused, and the manufacturing process of the withholding hose assembly is complicated. , throttling and turbulence at the joint, to solve the problems of non-reuse, simple and reliable quality control, and elimination of variable cross-section

Active Publication Date: 2017-07-04
QINGDAO ACME INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of the existing crimped hose assembly such as complex manufacturing process, difficult quality control, high failure rate of crimped parts, throttling and turbulent flow at the joint, non-reusable joint core and hose cover, high use cost, etc., the present invention provides A pressure hose and its connecting parts have been developed, which fundamentally solve the deficiencies of the prior art

Method used

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  • Pressure hose, connecting parts used in conjunction with it and combination of the two
  • Pressure hose, connecting parts used in conjunction with it and combination of the two
  • Pressure hose, connecting parts used in conjunction with it and combination of the two

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like figure 2 , image 3 , Figure 4 , Figure 5 As shown, a pressure hose and its connecting parts include 1. a tapered joint; 2. a lock nut; 3. a lock nut; 4. a locking outer ring; 5. a half cone; 6. a pipe body; 7. The sealing ring; 8. The inner ring of the lock.

[0042] The tube body 6 is a flexible hose, and the tube wall is divided into three functional layers, an inner rubber layer, a reinforcement layer and an outer rubber layer, from the inside to the outside. The middle section of the pipe body is in the shape of a circular tube, and the two ends are tapered mouths with uniform wall thickness formed by extending outward along the axis. The tapered mouth includes an inner conical surface 6.2 and an outer conical surface 6.3. Extending outward from the large end of the tapered mouth is an annular lip IK1, such as Figure 5 shown.

[0043] The lip IK1 also includes an annular locking outer ring 4 and a locking inner ring 8, which are formed as follows: A ...

Embodiment 2

[0055] like Figure 9 , Figure 10 As shown, a pressure hose and its connecting parts, compared with embodiment 1, embodiment 2 has changed the original way of locking with the lock nut, removed the lock nut 3, and turned the threaded connection into Flange connection, correspondingly, the conical joint 1 is replaced by the flanged conical joint 1a with the flange, the half-cone valve 5 is replaced by the flanged half-cone valve 5a with the flange, and the locking ring I13 is added , locking ring II14, retaining ring I11, retaining ring II12, bolt 15, flange pad 10, positioning pin 16, and other structures remain unchanged.

[0056] The locking ring Ⅰ and locking ring Ⅱ are circular rings with a rectangular cross-section, the inner diameter should be larger than the outer diameter of the lip of the pipe body 6, and interfere with the outer cylindrical surface of the flange semi-cone valve 5a. The spring retaining ring Ⅰ, The retaining ring II respectively limits the axial po...

Embodiment 3

[0065] like Figure 11 , Figure 12 As shown, a pressure hose and its connecting parts, compared with embodiment 2, embodiment 3 changes the radial locking method of embodiment 2, and removes the positioning pin 16, locking ring I, locking ring Ⅱ. Spring retaining ring Ⅰ and spring retaining ring Ⅱ have added locking bolts 17. Correspondingly, the flange half-cone valve 5a is replaced by the flange half-cone valve 5b with wings. On the outer conical surface of the semi-cone petal 5b of the winged flange, winged edges 5b. Other structures are consistent with Embodiment 2.

[0066] The specific assembly method is:

[0067] Take two half-cone petals 5b of the flange with wings, make the reference plane M coincide and assemble them symmetrically on the conical surface 6.3 outside the conical mouth of the pipe body 6, and take the locking bolts 17 through the installation on the wings 5b.1 in turn. The holes fasten the two pieces of flange half-cone petals 5b with wings into on...

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Abstract

The invention discloses a novel pressure hose and a connecting component thereof, and belongs to pipeline components of hydraulic / air pressure systems in the mechanical industry. The problems that an existing buckling hose assembly is complex in manufacturing technology, the quality is difficult to control, the fault rate of buckling parts is high, throttling and turbulence exist at a connector, a connector core and a hose sleeve cannot be repeatedly utilized, and the using cost is high are solved. The novel pressure hose mainly comprises a conical connector 1, a locknut 2, a fastening nut 3, a counterbored outer ring 4, a half cone section 5, a pipe 6, a sealing ring 7 and a counterbored inner ring 8. When the fastening nut 3 is gradually screwed on the conical connector 1 through a thread, the inner circle conical face of a conical opening of the pipe is tightly pressed on the outer conical face of the conical connector through the half cone section 5, and the purposes of extruding and sealing are achieved. The novel pressure hose and the connecting component thereof are mainly used in engineering machine hydraulic pipeline systems and can also be used in other fluid pipeline systems.

Description

technical field [0001] The invention belongs to pipeline components of a hydraulic / pneumatic system in the mechanical industry, in particular to high-pressure hoses and connecting parts of the hydraulic system of engineering machinery. Background technique [0002] As we all know, the oil leakage problem of the hydraulic system of construction machinery has always been a problem that plagues the industry, and the oil leakage of high-pressure hoses accounts for the vast majority, which is the weakest link in the entire hydraulic system. Frequent maintenance and replacement not only improves the The use cost of the user also pollutes the environment. In serious cases, there may be a vicious event that the pipe body is pulled out causing casualties. [0003] The hose assembly is generally divided into buckle type and detachable type. The detachable structure is difficult to guarantee due to the tightness and quality ("Mechanical Design Manual"-Hydraulic Transmission. Chapter 8....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L33/22
CPCF16L33/222F16L33/223
Inventor 朱德伟
Owner QINGDAO ACME INNOVATION TECH CO LTD
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