CN210424100U

CN210424100U - Fluid hose assembly

Info

Publication number: CN210424100U
Application number: CN201921572354.8U
Authority: CN
Inventors: 周庆平; 苏太东; 彭长江; 张洁; 方良
Original assignee: 40th Institute Of China Electronics Technology Corp
Current assignee: 40th Institute Of China Electronics Technology Corp
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-04-28
Anticipated expiration: 2029-09-20

Abstract

A fluid hose assembly comprises a fluid connector plug and a hose assembly, wherein a valve body is arranged in the fluid connector plug, one side of the plug axially matched with the hose assembly is a front side, the other side is a back side, the front part of the plug is provided with external threads, the hose assembly comprises a connecting nut and a hose, the front part in the connecting nut is provided with a joint, the front side of the connecting nut is provided with a through hole, the front side of the joint is provided with a connecting pipe, the front side of the connecting pipe penetrates out of the through hole, the hose is arranged at the front side of the connecting pipe, the rear part of the hose is in interference fit with the connecting pipe, the joint is roughly in a cylindrical shape going forwards and backwards, the inner cavity of the connector is a horn mouth, the taper of the horn mouth is matched with the taper of the front part of the plug, the plug connecting nut is screwed, the plug extends into the connector inner cavity to be matched with the connector inner cavity, the buckling sleeve is sleeved at the corresponding part of the rear part of the hose to be matched with the connecting pipe, and the buckling sleeve is in close contact with the hose. The assembly is good in sealing and fastening effects, not easy to leak and fall off, and prolonged in service life.

Description

Fluid hose assembly

Technical Field

The utility model relates to a fluid hose assembly.

Background

With the demand of miniaturization and integration on the volume and functions of military electronic equipment brought by modern and future war, the power demand is higher and higher, and the heat dissipation demand on the electronic equipment is increased accordingly. The liquid cooling system is a new development direction, water, oil, water-glycol solution and the like can be adopted as cooling liquid according to specific conditions, the flow rate of the cooling liquid can be controlled, and a liquid passage can be arranged on a mounting bracket of the power module, so that the liquid cooling system has the advantages of high heat dissipation efficiency, small duty ratio and the like, and the liquid cooling system is adopted on American military equipment in large quantity. At present, liquid cooling systems are adopted in most important models in China.

The fluid hose assembly can be used for quickly connecting or disconnecting the cooling liquid circulation system between different high-power modules, is a connector which can realize the connection or disconnection of pipeline fluid without tools, is a key element of a liquid cooling system, and therefore the sealing performance of the fluid hose assembly is important.

The prior art scheme is as follows:

referring to fig. 1, 2, a fluid hose assembly is comprised of a hose assembly 2 and a fluid connector plug 1. Fluid connector plug 1 includes casing 11, be equipped with valve body 12 in the casing 11, valve body 12 includes case 121, spring 122, sealing washer 123, hose assembly 2 includes coupling nut 21 and hose 3, be equipped with the sealed 22 of ring shape sealing gasket in the coupling nut 21, coupling nut 21 front side is equipped with a through-hole 24, the sealed 22 front side of ring shape sealing gasket is equipped with the connecting pipe 25 that extends forward, through-hole 24 is worn out to the connecting pipe 25 front side, be equipped with the barb structure on the connecting pipe 25, plug 1 and coupling nut 21 connect soon, fluid connector plug 1's terminal surface and the sealed 22 contact of ring shape sealing gasket form sealedly, hose 3 is rubber hose, hose 3 cup joints in connecting pipe 25 circumference outside and connecting pipe 25 interference fit, and fasten through clamp 5.

The defects of the prior art are as follows: the hose in the prior art is a rubber hose, and the rubber hose is easy to harden at low temperature, poor in flexibility and short in service life. The clamp for the existing structure is fastened, is easy to fall off, needs manual assembly and has low production efficiency. The plug and the annular sealing gasket are in line sealing, and the sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fluid hose assembly is provided, it is sealed effectual with the fastening, difficult seepage and drop have increased life moreover.

In order to solve the technical problem, the utility model provides a fluid hose assembly, which comprises a fluid connector plug and a hose assembly, wherein the fluid connector plug is a hollow tube body which is through from front to back, a valve body is arranged in the plug, one side of the plug matched with the hose assembly along the axis direction is arranged as front, the other side is arranged as back, the front part of the plug is provided with external threads, the front part of the plug is close to the front side and is provided with taper, the hose assembly comprises a connecting nut and a hose with an opening at the back side, the internal threads of the connecting nut are matched with the external threads at the front part of the plug, the front part in the connecting nut is provided with a joint, the front side of the connecting nut is provided with a through hole, the front side of the joint is provided with a connecting tube moving forwards and backwards, the through hole penetrates out from the front side of the connecting tube, the connecting tube is communicated with the inner cavity, the connector is generally in a cylindrical shape moving forwards and backwards, the inner cavity of the connector is a horn mouth with a large back-side diameter and a small front-side diameter, the taper of the horn mouth is matched with the taper of the front part of the plug, the front part of the plug is screwed with the connecting nut, the front side of the plug extends into the inner cavity of the connector to be matched with the inner cavity of the connector, the cylindrical buckling and pressing sleeve is sleeved on the circumferential outer side of the position, corresponding to the matching position of the connecting pipe, of the rear part of the hose, and the inner wall of the buckling and pressing sleeve is.

For the sake of simplicity, the fluid hose assembly of the present invention is simply referred to as the present assembly below.

The advantages of this subassembly: the joint and the buckling sleeve structure in the assembly are easy to process, convenient to buckle, good in fastening effect, low in production cost and capable of improving production efficiency. The plug and the joint of the fluid connector in the assembly are sealed by conical surfaces, so that the assembly and the disassembly are convenient, and the sealing performance is good.

In order to achieve better using effect of the assembly, the preferable scheme is as follows:

preferably, the circumferential outer side of the rear part of the connecting pipe is provided with an annular boss, the rear side of the hose is abutted against the front side of the annular boss, an annular recess is arranged at the position of the circumferential inner side of the buckling sleeve corresponding to the annular boss, and the annular boss is matched with the annular recess.

The annular boss is matched with the annular concave recess, so that the buckling sleeve can be prevented from falling off or sliding relatively, the fastening and sealing effects are better, and the hose can be protected from being damaged.

Preferably, the hose is a double-layer pipe sleeved inside and outside, the inner layer of the double-layer pipe is a Teflon layer, and the outer layer of the double-layer pipe is a metal braided layer.

The outer steel wire braided layer ensures the overall strength of the hose, and also plays a role in sealing the outside, and the Teflon layer of the inner layer has the storage life of 50 years, can bear high pressure, high temperature, oil resistance, good acid and alkali resistance and excellent low-temperature performance; the bending fatigue life is more than 40 ten thousand times; the pulse pressure resistance test is carried out for more than 25 ten thousand times; the temperature shock resistance is realized at the temperature of between 55 ℃ below zero and 180 ℃; the flexibility is strong, and the bending radius is small; the Teflon inner tube is smooth and uniform in texture, has very small flow resistance, has good corrosion resistance and does not adhere to any viscous substance.

Drawings

Fig. 1 is a schematic structural view of a conventional fluid hose assembly.

Fig. 2 is a schematic view of the construction of the fluid connector plug of the present assembly (in accordance with the prior art).

Figure 3 is a schematic view of the construction of the hose assembly of the present assembly.

Fig. 4 is an assembly view of the present assembly.

Detailed Description

Referring to fig. 2-4, a fluid hose assembly comprises a fluid connector plug 1 and a hose assembly 2, the fluid connector plug 1 is a hollow tube body which is through front and back, a valve body 12 is arranged in the plug 1, one side of the plug 1 which is matched with the hose assembly 2 along the axial direction is front, the other side is back, the front part of the plug 1 is provided with external threads, the taper (the conical angle of the conical surface is 74 degrees) is arranged near the front side, the hose assembly 2 comprises a connecting nut 21 with an opening at the back side and a hose 3, the internal threads of the connecting nut 21 are matched with the external threads at the front part of the plug 1, the front part in the connecting nut 21 is provided with a joint 23, the front side of the connecting nut 21 is provided with a through hole 24, the front side of the joint 23 is provided with a connecting pipe 25 which moves front and back, the front side of the connecting pipe 25 penetrates out of, connecting pipe 25 circumference outside is equipped with the barb, and connecting pipe 25 front side is located to hose 3, and the rear portion of hose 3 cup joints in connecting pipe 25 circumference outside and connecting pipe 25 interference fit, joint 23 be the cylinder of trend around being roughly, its inner chamber is the little horn mouth of the big front side diameter of a rear side diameter, and the tapering of horn mouth and the anterior tapering phase-match of

plug

1, 1 front portion of plug connects with coupling nut 21 soon, 1 front side of plug stretches into and connects 23 inner chambers and cooperate, corresponds to cup joint the withholding cover 4 of cylinder with the circumference outside of connecting pipe 25 cooperation department on the 3 rear portion positions of hose, withholds set inner wall and 3 outer wall in close contact with of hose.

The circumferential outer side of the rear part of the connecting pipe 25 is provided with an annular boss 251, the rear side of the hose 3 is abutted against the front side of the annular boss 251, the circumferential inner side position of the buckling sleeve 4 corresponding to the annular boss 251 is provided with an annular recess 41, and the annular boss 251 is matched with the annular recess 41.

The hose 3 is a double-layer pipe sleeved inside and outside, the inner layer of the double-layer pipe is a Teflon layer 31, and the outer layer of the double-layer pipe is a metal braided layer 32.

The advantages of this subassembly: the structure of the joint 23 and the buckling sleeve 4 in the component is easy to process, the buckling is convenient, the fastening effect is good, the production cost is low, and the production efficiency can be improved. In the assembly, the fluid connector plug 1 and the connector 23 are sealed by conical surfaces, so that the assembly and the disassembly are convenient, and the sealing performance is good.

The annular boss 251 is matched with the annular recess 41, so that the buckling sleeve 4 can be prevented from falling off or sliding relatively, the fastening and sealing effects are better, and the hose 3 can be protected from being damaged.

The outer steel wire braided layer ensures the overall strength of the hose 3, and also plays a role in sealing the outside, and the Teflon layer of the inner layer has the storage life of 50 years, can bear high pressure, high temperature, oil resistance, good acid and alkali resistance and excellent low-temperature performance; the bending fatigue life is more than 40 ten thousand times; the pulse pressure resistance test is carried out for more than 25 ten thousand times; the temperature shock resistance is realized at the temperature of between 55 ℃ below zero and 180 ℃; the flexibility is strong, and the bending radius is small; the Teflon inner tube is smooth and uniform in texture, has very small flow resistance, has good corrosion resistance and does not adhere to any viscous substance.

Claims

1. A fluid hose assembly comprises a fluid connector plug and a hose assembly, wherein the fluid connector plug is a hollow pipe body which is through from front to back, a valve body is arranged in the plug, one side of the plug matched with the hose assembly along the axis direction is front, the other side of the plug is back, the front part of the plug is provided with external threads, the part close to the front side is provided with conicity, the hose assembly comprises a connecting nut with an opening at the back side and a hose, the internal threads of the connecting nut are matched with the external threads at the front part of the plug, the front part in the connecting nut is provided with a connector, the front side of the connecting nut is provided with a through hole, the front side of the connector is provided with a connecting pipe moving forwards and backwards, the front side of the connecting pipe penetrates out of the through hole, the connecting pipe is communicated with the inner cavity of the connecting nut through the connector, barbs, the method is characterized in that: the connector is generally in a cylindrical shape moving forwards and backwards, the inner cavity of the connector is a horn mouth with a large back-side diameter and a small front-side diameter, the taper of the horn mouth is matched with the taper of the front part of the plug, the front part of the plug is screwed with the connecting nut, the front side of the plug extends into the inner cavity of the connector to be matched with the inner cavity of the connector, the cylindrical buckling and pressing sleeve is sleeved on the circumferential outer side of the position, corresponding to the matching position of the connecting pipe, of the rear part of the hose, and the inner wall of the buckling and pressing sleeve is.

2. A fluid hose assembly as claimed in claim 1, wherein: the circumference outside at connecting pipe rear portion be equipped with annular boss, the hose rear side supports with the front side of annular boss and leans on mutually, withhold and be equipped with annular concave recess in the corresponding annular boss department on the cover circumference inboard position, annular boss cooperatees with annular concave recess.

3. A fluid hose assembly as claimed in claim 1, wherein: the hose is a double-layer pipe sleeved inside and outside, the inner layer of the hose is a Teflon layer, and the outer layer of the hose is a metal woven layer.