CN211175741U - Hydraulic hose assembly with low expansion amount - Google Patents

Abstract

The utility model discloses a hydraulic hose assembly of low inflation volume, first connecting hose connects and connects respectively at the both ends of hydraulic hose with the second connecting hose joint, hydraulic hose includes the inlayer, first enhancement layer, the intermediate level, the second enhancement layer, third enhancement layer and skin, first enhancement layer parcel is in the outside of inlayer, the intermediate level parcel is in the outside of first enhancement layer, second enhancement layer parcel is in the outside of intermediate level, third enhancement layer parcel is in the outside of second enhancement layer, outer parcel is in the outside of third enhancement layer. The utility model discloses beneficial effect: the utility model discloses be provided with inlayer, first enhancement layer, intermediate level, second enhancement layer, third enhancement layer and skin, adopt multilayer enhancement layer parcel, intermediate level, enhancement layer adopt the steel wire line layer respectively, weave steel band and screw thread steel wire cover and make, further improve oil pipe's compressive strength, reduce the hose expansion volume, can prevent the booster.

Description

Hydraulic hose assembly with low expansion amount

Technical Field

The utility model belongs to the technical field of the hydraulic pressure pipe technique and specifically relates to a hydraulic hose assembly of low inflation volume.

Background

The hydraulic hose is used for communicating the hydraulic cylinder and the hydraulic pump and plays a role of a connecting pipe; because the hydraulic pump has high oil pressure and has higher requirement on the pressure resistance of the hydraulic hose, the prior art usually adopts the steel wire woven hydraulic hose or the steel wire wound hydraulic hose, but the steel wire has only a single layer, and the hydraulic hose can expand under the condition of high pressure during working, and the pipe bursting or pipe cracking can also occur if the hydraulic hose is used for a long time if the expansion amount is overlarge.

Therefore, there is a need for a hydraulic hose assembly having a low amount of expansion.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence among the above-mentioned prior art, the utility model aims to provide a hydraulic hose assembly of low inflation volume to solve above-mentioned problem.

The utility model provides a hydraulic hose assembly of low inflation volume, includes hydraulic hose, first connecting hose connector and second connecting hose connector are connected respectively at hydraulic hose's both ends, hydraulic hose includes inlayer, first enhancement layer, intermediate level, second enhancement layer, third enhancement layer and skin, first enhancement layer parcel is in the outside of inlayer, the intermediate level parcel is in the outside of first enhancement layer, second enhancement layer parcel is in the outside in intermediate level, third enhancement layer parcel is in the outside of second enhancement layer, outer parcel is in the outside of third enhancement layer.

Preferably, the inner layer and the outer layer are both made of rubber plastic materials.

The beneficial effects of the preferable technical scheme are as follows: the rubber plastic material has high strength, good hardness, low expansion amount and difficult breakage and pipe cracking.

Preferably, the first reinforcing layer is a first braided steel strip.

The beneficial effects of the preferable technical scheme are as follows: the first braided steel band has high compressive strength and reduces the expansion amount.

Preferably, the middle layer adopts a steel wire layer.

The beneficial effects of the preferable technical scheme are as follows: the steel wire has high strength and is not easy to break.

Preferably, the second reinforcing layer is a second braided steel strip.

The beneficial effects of the preferable technical scheme are as follows: the second braided steel band has high compressive strength and reduces the expansion amount.

Preferably, the third reinforcing layer is a threaded steel wire sleeve.

The beneficial effects of the preferable technical scheme are as follows: the threaded wire sleeve further limits the amount of expansion of the hose.

Preferably, the first woven steel strip and the second woven steel strip are provided with reinforcing ribs in a spiral distribution at the outer part.

The beneficial effects of the preferable technical scheme are as follows: the reinforcing ribs improve the strength of the woven steel belt.

Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses be provided with inlayer, first enhancement layer, intermediate level, second enhancement layer, third enhancement layer and skin, adopt multilayer enhancement layer parcel, intermediate level, enhancement layer adopt the steel wire line layer respectively, weave steel band and screw thread steel wire cover and make, further improve oil pipe's compressive strength, reduce the hose expansion volume, can prevent the booster.

Drawings

FIG. 1 is a schematic diagram of a low expansion hydraulic hose assembly according to the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an expanded structure view of the present invention.

Reference numbers in the figures: 1. a hydraulic hose; 2. a first connection hose joint; 3. a second connecting hose nipple; 11. an inner layer; 12. a first reinforcing layer; 13. an intermediate layer; 14. a second reinforcing layer; 15. a third reinforcing layer; 16. and (4) an outer layer.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 in combination with fig. 2 and 3, a low expansion hydraulic hose assembly includes a hydraulic hose 1, a first connection hose connector 2 and a second connection hose connector 3, the first connection hose connector 2 and the second connection hose connector 3 are respectively connected to two ends of the hydraulic hose 1, the hydraulic hose 1 includes an inner layer 11, a first reinforcing layer 12, a middle layer 13, a second reinforcing layer 14, a third reinforcing layer 15 and an outer layer 16, the first reinforcing layer 12 is wrapped outside the inner layer 11, the middle layer 13 is wrapped outside the first reinforcing layer 12, the second reinforcing layer 14 is wrapped outside the middle layer 13, the third reinforcing layer 15 is wrapped outside the second reinforcing layer 14, and the outer layer 16 is wrapped outside the third reinforcing layer 15.

Further, the inner layer 11 and the outer layer 16 are both made of rubber and plastic materials.

The beneficial effects of the further technical scheme are that: the rubber plastic material has high strength, good hardness, low expansion amount and difficult breakage and pipe cracking.

Further, the first reinforcing layer 12 is made of a first woven steel belt.

The beneficial effects of the further technical scheme are that: the first braided steel band has high compressive strength and reduces the expansion amount.

Further, the intermediate layer 13 is a steel wire layer.

The beneficial effects of the further technical scheme are that: the steel wire has high strength and is not easy to break.

Further, the second reinforcing layer 14 is made of a second braided steel band.

The beneficial effects of the further technical scheme are that: the second braided steel band has high compressive strength and reduces the expansion amount.

Further, the third reinforcing layer 15 is made of a threaded steel wire sleeve.

The beneficial effects of the further technical scheme are that: the threaded wire sleeve further limits the amount of expansion of the hose.

Furthermore, reinforcing ribs which are spirally distributed are arranged outside the first woven steel belt and the second woven steel belt.

The beneficial effects of the further technical scheme are that: the reinforcing ribs improve the strength of the woven steel belt.

Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses be provided with inlayer 11, first enhancement layer 12, intermediate level 13, second enhancement layer 14, third enhancement layer 15 and outer 16, adopt multilayer enhancement layer parcel, intermediate level 13, enhancement layer adopt the steel wire line layer respectively, weave steel band and screw thread steel wire cover and make, further improve oil pipe's compressive strength, reduce the hose inflation volume, can prevent the pipe explosion.

The working principle is as follows: the first connecting hose connector 2 and the second connecting hose connector 3 are respectively connected to two ends of the hydraulic hose 1, the hydraulic hose 1 comprises an inner layer 11, a first reinforcing layer 12, a middle layer 13, a second reinforcing layer 14, a third reinforcing layer 15 and an outer layer 16, the first reinforcing layer 12 is wrapped outside the inner layer 11, the middle layer 13 is wrapped outside the first reinforcing layer 12, the second reinforcing layer 14 is wrapped outside the middle layer 13, the third reinforcing layer 15 is wrapped outside the second reinforcing layer 14, and the outer layer is wrapped outside the third reinforcing layer 15.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (7)

1. A low expansion hydraulic hose assembly characterized by: including hydraulic hose (1), first coupling hose connects (2) and second coupling hose connects (3), the both ends at hydraulic hose (1) are connected respectively in first coupling hose connects (2) and second coupling hose connects (3), hydraulic hose (1) includes inlayer (11), first enhancement layer (12, intermediate level (13), second enhancement layer (14), third enhancement layer (15) and skin (16), first enhancement layer (12) parcel is in the outside of inlayer (11), intermediate level (13) parcel is in the outside of first enhancement layer (12), second enhancement layer (14) parcel is in the outside of intermediate level (13), third enhancement layer (15) parcel is in the outside of second enhancement layer (14), outer layer (16) parcel is in the outside of third enhancement layer (15).

2. A low expansion hydraulic hose assembly as set forth in claim 1, wherein: the inner layer (11) and the outer layer (16) are both made of rubber and plastic materials.

3. A low expansion hydraulic hose assembly as set forth in claim 1, wherein: the first reinforcing layer (12) is made of a first woven steel belt.

4. A low expansion hydraulic hose assembly as set forth in claim 3, wherein: the middle layer (13) adopts a steel wire layer.

5. A low expansion hydraulic hose assembly as in claim 4, wherein: the second reinforcing layer (14) adopts a second braided steel belt.

6. A low expansion hydraulic hose assembly as set forth in claim 5, wherein: the third reinforcing layer (15) adopts a threaded steel wire sleeve.

7. A low expansion hydraulic hose assembly as in claim 6, wherein: and reinforcing ribs which are spirally distributed are arranged outside the first woven steel belt and the second woven steel belt.

Images