CN211821128U

CN211821128U - Hydraulic rubber hose assembly

Info

Publication number: CN211821128U
Application number: CN202020151909.8U
Authority: CN
Inventors: 韩磊
Original assignee: Shanxi Jingkairui Hydraulic Equipment Co ltd
Current assignee: Shanxi Jingkairui Hydraulic Equipment Co ltd
Priority date: 2020-02-04
Filing date: 2020-02-04
Publication date: 2020-10-30
Anticipated expiration: 2030-02-04

Abstract

The utility model discloses a hydraulic pressure rubber tube assembly, including the rubber tube, adapter sleeve and joint core, the adapter sleeve includes thick cover and thin cover, and thin cover communicates and fixes mutually with thick cover, and the joint core is including preceding core and back core, and back core is inserted and is located in the rubber tube, and the preceding core outside is equipped with coupling nut, and coupling nut one end inboard is equipped with the fender ring, keeps off the ring internal diameter and is greater than thin cover external diameter, and the port department of preceding core is equipped with first groove, and the port department of thin cover is provided with the second groove. The utility model has the advantages of reasonable design, be provided with O type sealing washer and rubber pad on the preceding core, under the effect of coupling nut, make the junction of hydraulic component and preceding core closely more reliable, the design of first groove makes hydraulic component labour saving and time saving more establish together with preceding core cover, and thick cover and thin cover's setting makes the rubber tube closely reliable with the adapter sleeve and connect being connected between the core.

Description

Hydraulic rubber hose assembly

Technical Field

The utility model belongs to the joint field especially relates to a hydraulic pressure rubber tube assembly.

Background

The rubber tube assembly is an auxiliary device commonly used in a hydraulic system. It is made up by using high-pressure steel wire to weave or wind rubber pipe and steel piece joint through the process of fastening and pressing by means of special-purpose equipment, and is used for connecting various hydraulic elements in hydraulic system, and is mainly used for making hydraulic power transmission or transmitting high-pressure medium of water, gas and oil so as to ensure circulation of liquid and transfer liquid energy. In actual life, because the pressure in a hydraulic system is large, the problem that the connection between the existing rubber tube assembly and a hydraulic element is unreliable often exists, and the situations of water leakage, air leakage and oil leakage are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a hydraulic pressure rubber tube assembly.

The utility model discloses a realize like this: a hydraulic rubber pipe assembly comprises a rubber pipe, a joint sleeve and a joint core, wherein the rubber pipe is sequentially provided with an inner rubber layer, a steel wire layer and an outer rubber layer from inside to outside along the radial direction, the steel wire layer is fixedly glued with the inner rubber layer and the outer rubber layer together to ensure the quality of the rubber pipe to be reliable, the joint sleeve is sleeved outside two ends of the rubber pipe, the joint core is nested inside two ends of the rubber pipe to ensure the connection reliability of the rubber pipe with the joint sleeve and the joint core, the joint sleeve comprises a thick sleeve and a thin sleeve, two ends of the rubber pipe are fixedly butted with the inner wall of the thick sleeve, the contact area of the rubber pipe and the thick sleeve is increased as much as possible to ensure the firm and reliable connection, the thin sleeve is communicated with the thick sleeve and is fixed together, the thin sleeve is far away from the rubber pipe, the joint core comprises a front core and a rear core, the rear core penetrates through the thin sleeve and is fixedly inserted inside the rubber pipe to ensure, a limit ring is arranged on the outer side of one end, close to the thin sleeve, of the front core, a groove is arranged on the outer side of one end, far away from the thin sleeve, of the front core, an O-shaped sealing ring is arranged in the groove, when a hydraulic element and the front core sleeve are sleeved together, the O-shaped sealing ring is used for sealing, a rubber pad is arranged between the limit ring and the O-shaped sealing ring on the outer side of the front core, the hydraulic element and the front core are in closer contact through the rubber pad, the water leakage, the air leakage and the oil leakage are prevented, a joint nut is arranged on the outer side of the front core, the joint nut extrudes the joint of the hydraulic element and the front core through rotation, the tight connection among the joint nut, the hydraulic element and the front core is ensured, a baffle ring is fixedly arranged on the inner side, close to one end of the thin sleeve, the inner diameter of the, when the rubber tube assembly does not use, union nut is sheathe free motion and can not drop in carefully, the port department that preceding core is close to O type sealing washer one end is provided with first groove, makes hydraulic component change and establishes together with the port cover of preceding core, the port department that fine cover is close to preceding core one end is provided with the second groove, makes union nut change the landing to carefully sheathe in, and can not block.

Preferably, the central line of the joint sleeve, the central line of the joint core and the central line of the joint nut are on the same straight line, so that the connection reliability of the joint sleeve, the joint core and the joint nut is ensured, and the reliable circulation of media in the rubber tube is further ensured.

Preferably, first groove is right trapezoid, makes hydraulic component changeing with the port cover of preceding core establish together, labour saving and time saving, the second groove is the toper, even makes the union nut change the landing to thin sheathe in, also makes the junction of thin sheathe and preceding core more smooth, can not produce the resistance.

Preferably, the rubber pad is L-shaped, and the inner side of the rubber pad is fixedly connected with one side of the limiting ring, which is far away from the thin sleeve, and the outer surface of the front core, so that the hydraulic element is more closely and reliably connected with the front core and the limiting ring.

Preferably, the inner diameter of the thick sleeve is slightly larger than the outer diameter of the outer rubber layer of the rubber pipe, and the outer diameter of the rear core is slightly smaller than the inner diameter of the inner rubber layer of the rubber pipe, so that the rubber pipe is reliably and tightly connected with the thick sleeve and the rear core.

Preferably, the material of joint cover, joint core and joint nut is stainless steel, and is firm durable, can not produce the corrosion, long service life.

The utility model has the advantages that: the utility model has the advantages of reasonable design, be provided with O type sealing washer and rubber pad on the preceding core, under the effect of coupling nut, make the junction of hydraulic component and preceding core closely more reliable, the design of first groove makes hydraulic component labour saving and time saving more establish together with preceding core cover, and thick cover and thin cover's setting makes the rubber tube closely reliable with the adapter sleeve and connect being connected between the core.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a hose; 2. a joint sleeve; 3. a joint core; 4. an inner glue layer; 5. a steel wire layer; 6. an outer adhesive layer; 7. roughly sleeving; 8. fine sheathing; 9. a front core; 10. a rear core; 11. a limiting ring; 12. a groove; an O-shaped seal ring; 14. a rubber pad; 15. a union nut; 16. a baffle ring; 17. a first bevel; 18. and a second bevel.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

The hydraulic rubber pipe assembly as shown in fig. 1 comprises a rubber pipe 1, a joint sleeve 2 and a joint core 3, wherein the rubber pipe 1 is sequentially provided with an inner rubber layer 4, a steel wire layer 5 and an outer rubber layer 6 from inside to outside along the radial direction, the steel wire layer 5, the inner rubber layer 4 and the outer rubber layer 6 are fixedly glued together, the quality of the rubber pipe 1 is ensured to be reliable, the joint sleeve 2 is sleeved outside the two ends of the rubber pipe 1, the joint core 3 is nested inside the two ends of the rubber pipe 1, the reliability of connection of the rubber pipe 1, the joint sleeve 2 and the joint core 3 is ensured, the joint sleeve 2 comprises a thick sleeve 7 and a thin sleeve 8, the two ends of the rubber pipe 1 and the inner wall of the thick sleeve 7 are fixedly abutted together, the contact area between the rubber pipe 1 and the thick sleeve 7 is increased as much as possible, the connection is ensured to be firm and reliable, the inner diameter of the thick sleeve 7 is slightly larger than the outer diameter of the outer rubber layer 6 of, the thin sleeve 8 is far away from the rubber tube 1, the joint core 3 comprises a front core 9 and a rear core 10, the rear core 10 penetrates through the thin sleeve 8 and is fixedly inserted into the inner side of the rubber tube 1, the outer diameter of the rear core 10 is slightly smaller than the inner diameter of an inner rubber layer 4 of the rubber tube 1, reliable connection of the rear core 10 and the inner rubber layer 4 is guaranteed, a limiting ring 11 is arranged on the outer side of one end, close to the thin sleeve 8, of the front core 9, a groove 12 is annularly arranged on the outer side of one end, far away from the thin sleeve 8, of the front core 9, an O-shaped sealing ring 13 is arranged in the groove 12, when a hydraulic element and the front core 9 are sleeved together, the O-shaped sealing ring 13 is used for sealing, a rubber pad 14 is arranged between the limiting ring 11 and the O-shaped sealing ring 13 on the outer side of the front core 9, the rubber pad 14 is L-shaped, the inner side of the rubber pad 14 is fixedly connected with one, the emergence of the gas leakage oil leak phenomenon of preventing leaking, the outside of preceding core 9 is provided with joint nut 15, and joint nut 15 extrudees hydraulic component and the junction of preceding core 9 through the rotation, guarantees that being connected between joint nut 15, hydraulic component and the preceding core 9 is inseparable, joint nut 15 is close to the inboard fixed fender ring 16 that is provided with of one end of thin cover 8, the internal diameter of fender ring 16 is greater than the external diameter of thin cover 8, and the internal diameter of fender ring 16 is less than the external diameter of thick cover 7 and the external diameter of spacing ring 11, and when the rubber tube assembly does not use, joint nut 15 free motion and can not drop on thin cover 8, the port department that preceding core 9 is close to O type sealing washer 13 one end is provided with first groove 17, first groove 17 is right trapezoid, makes hydraulic component change and the port cover of preceding core 9 is established together, labour saving and time saving, the port department that thin cover 8 is close to preceding core 9 one end is provided with second groove 18, the second bevel 18 is conical, so that the joint nut 15 can slide onto the thin sleeve 8 more easily without being clamped, and the joint of the thin sleeve 8 and the front core 9 is smooth without resistance.

The central line of the joint sleeve 2, the central line of the joint core 3 and the central line of the joint nut 15 are on the same straight line, so that the reliability of connection of the joint sleeve 2, the joint core 3 and the joint nut 15 is ensured, and further the reliable circulation of media in the rubber hose 1 is ensured.

The connector sleeve 2, the connector core 3 and the connector nut 15 are made of stainless steel, are firm and durable, cannot be rusted and are long in service life.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A hydraulic rubber pipe assembly comprises a rubber pipe, a joint sleeve and a joint core, wherein the rubber pipe is sequentially provided with an inner rubber layer, a steel wire layer and an outer rubber layer from inside to outside along the radial direction, the steel wire layer is fixedly glued with the inner rubber layer and the outer rubber layer, the joint sleeve is sleeved outside two ends of the rubber pipe, the joint core is nested inside two ends of the rubber pipe, the joint sleeve is characterized by comprising a thick sleeve and a thin sleeve, two ends of the rubber pipe are fixedly butted with the inner wall of the thick sleeve, the thin sleeve is communicated with and fixed with the thick sleeve, the thin sleeve is far away from the rubber pipe, the joint core comprises a front core and a rear core, the rear core penetrates through the thin sleeve and is fixedly inserted inside the rubber pipe, the outer side of one end, close to the thin sleeve, of the front core is provided with a limiting ring, the outer side of one end, far away from the thin sleeve, of the front core is provided with a, the utility model discloses a well drilling machine, including preceding core, O type sealing washer, retaining ring, O type sealing washer, preceding core outside is located and is provided with the rubber pad between spacing ring and the O type sealing washer, the outside of preceding core is provided with coupling nut, coupling nut is close to the inboard fixed fender ring that is provided with of one end of thin cover, the internal diameter that keeps off the ring is greater than the external diameter of thin cover, and the internal diameter that keeps off the ring is less than the external diameter of thick cover and the external diameter of spacing ring, the port department that preceding core is close to O type sealing washer one end is provided.

2. The hydraulic hose assembly according to claim 1, wherein the centerline of the nipple boot, the centerline of the nipple core, and the centerline of the nipple nut are collinear.

3. The hydraulic hose assembly of claim 1, wherein the first bevel is a right trapezoid and the second bevel is a cone.

4. The hydraulic rubber hose assembly according to claim 1, wherein the rubber pad is L-shaped, and the inner side of the rubber pad is fixedly connected to the side of the limiting ring away from the thin sleeve and the outer surface of the front core.

5. The hydraulic hose assembly of claim 1, wherein the inner diameter of the rough sleeve is slightly larger than the outer diameter of the outer rubber layer of the hose, and the outer diameter of the rear core is slightly smaller than the inner diameter of the inner rubber layer of the hose.

6. The hydraulic hose assembly according to claim 1, wherein the joint sleeve, the joint core and the joint nut are made of stainless steel.