CN210890525U - Special hose sealing connection device for lubricating oil - Google Patents

Special hose sealing connection device for lubricating oil Download PDF

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Publication number
CN210890525U
CN210890525U CN201922100179.9U CN201922100179U CN210890525U CN 210890525 U CN210890525 U CN 210890525U CN 201922100179 U CN201922100179 U CN 201922100179U CN 210890525 U CN210890525 U CN 210890525U
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CN
China
Prior art keywords
connecting pipe
sleeve
lubricating oil
sealing
hole
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Active
Application number
CN201922100179.9U
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Chinese (zh)
Inventor
王鹏涛
张现卫
逯宏印
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Qingjie Lubricating Oil Technology Co ltd
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Luoyang Qingjie Lubricating Oil Technology Co ltd
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Priority to CN201922100179.9U priority Critical patent/CN210890525U/en
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Publication of CN210890525U publication Critical patent/CN210890525U/en
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Abstract

A special hose sealing connection device for lubricating oil comprises a connection pipe, a locking sleeve and a threaded sleeve, wherein the locking sleeve is arranged at the upper part of the connection pipe, and the threaded sleeve is arranged in the middle of the outer side of the connection pipe; the whole connecting pipe is of a vertically arranged cylindrical structure, the middle of the connecting pipe is of a stepped through hole structure with a large lower part and a small upper part, an inner hole at the lower part of the connecting pipe is provided with an internal thread, and the end surface of the inner hole is provided with a sealing gasket; the utility model discloses an use, reached beneficial effect: the special hose sealing connection device for lubricating oil is used by matching the conical holes in the upper conical head and the locking sleeve of the connecting sleeve, the inner hole of the hose and the outer circle of the hose are effectively sealed and compressed, the sealing ring is arranged outside the conical head, the connection sealing type of the hose is further improved, leakage in the lubricating oil conveying process is effectively avoided, pollution to the site is prevented, waste of lubricating oil is reduced, and convenience is brought to enterprises.

Description

Special hose sealing connection device for lubricating oil
Technical Field
The utility model relates to a lubricating oil production field especially relates to a special hose sealing connection device of lubricating oil.
Background
In the production of lubricating oil, the filling is usually in the last procedure, along with the continuous improvement of production efficiency, the lubricating oil filling is usually automatically carried out by adopting an assembly line, the lubricating oil is usually required to be finally filtered in the preorder of the filling, the lubricating oil is filled into a lubricating oil barrel through a hose by an oil pipeline after being filtered, in order to increase the strength of the hose, the hose is usually a high-strength steel wire hose, the steel wire hose is usually fixed by using a hose clamp after being connected with a metal pipe, but because the lubricating oil has good permeability, the spiral steel wire in the steel wire hose has great influence on sealing when being fixed by the hose clamp, the leakage is often caused at the connecting position of the steel wire hose and the oil pipeline, the leakage can still occur after being locked by a plurality of hose clamps and iron wires, great pollution is caused to a working site, and the lubricating oil is wasted, meanwhile, when the existing hose connecting device is used for connection, the hose is easy to deform when the conical sleeve rotates, so that lubricating oil is more easily leaked; therefore, a new device is needed to solve the problems of site pollution and waste of lubricating oil caused by leakage at the connection position of the existing hose for conveying lubricating oil and an oil conveying pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special hose sealing connection device of lubricating oil for solve the current hose that is used for carrying lubricating oil and oil pipeline hookup location and often take place the seepage and make the on-the-spot pollution and cause the extravagant problem of lubricating oil.
A special hose sealing connection device for lubricating oil comprises a connection pipe, a locking sleeve and a threaded sleeve, wherein the locking sleeve is arranged at the upper part of the connection pipe, and the threaded sleeve is arranged in the middle of the outer side of the connection pipe; the whole connecting pipe is of a vertically arranged cylindrical structure, the middle of the connecting pipe is of a stepped through hole structure with a large lower part and a small upper part, an inner hole at the lower part of the connecting pipe is provided with an inner thread, the end surface of the inner hole is provided with a sealing gasket, an outer hexagon is arranged on the outer circle at the lower part of the connecting pipe, the outer circle at the upper part of the connecting pipe is a conical head, and the upper end of the conical head is; the middle part of the excircle of the connecting pipe is provided with a ring-shaped baffle ring, and the external conical surface of the conical head is provided with a sealing sleeve.
The lock sleeve be cylindrical structure, the hole of lock sleeve is conical interior taper hole, the tapering of interior taper hole is unanimous with the tapering of connecting pipe conical point, interior taper hole face keeps the interval with the conical point surface, the upper end of interior taper hole is provided with circular arc chamfer, the excircle lower extreme of lock sleeve is provided with the external screw thread, the excircle upper portion of lock sleeve evenly is provided with waist shape hole.
In the outer nut structure of the threaded sleeve, the lower end of the inner hole of the threaded sleeve is provided with an inner check ring, the inner hole of the inner check ring is in clearance fit with the check ring of the connecting pipe, the upper surface of the inner check ring is in contact with the lower end surface of the check ring, and the internal thread of the threaded sleeve is in fit connection with the external thread at the lower part of the outer side of the locking sleeve; the outer side of the screw sleeve is an outer hexagonal or an outer octagonal.
The sealing sleeve is of a conical barrel structure, an inner hole of the sealing sleeve is matched and installed with the outer surface of a conical head at the upper part of the connecting pipe, and the sealing sleeve is made of oil-resistant rubber.
The utility model discloses an use, reached beneficial effect: the special hose sealing connection device for lubricating oil is used by matching the conical holes in the upper conical head and the locking sleeve of the connecting sleeve, the inner hole of the hose and the outer circle of the hose are effectively sealed and compressed, the sealing ring is arranged outside the conical head, the connection sealing type of the hose is further improved, leakage in the lubricating oil conveying process is effectively avoided, pollution to the site is prevented, waste of lubricating oil is reduced, and convenience is brought to enterprises.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a schematic view of the internal structure of fig. 1.
In the figure: 1. the device comprises a connecting pipe, 2, a threaded sleeve, 3, a locking sleeve, 4, a sealing sleeve, 5, a waist-shaped hole, 6, an outer hexagon, 7, a conical head, 8, a hose, 9, a sealing gasket, 10, a steel pipe, 11 and a baffle ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the special hose sealing connection device for lubricating oil comprises a connection pipe 1, a locking sleeve 3 and a threaded sleeve 2, wherein the connection pipe 1 is integrally of a vertically arranged cylindrical structure, the middle of the connection pipe 1 is of a stepped through hole structure with a large bottom and a small top, an inner thread is arranged in a lower inner hole of the connection pipe 1, a sealing gasket 9 is arranged on the end surface of the inner hole, an outer hexagon 6 is arranged on an outer circle of the lower part of the connection pipe 1, an outer circle of the upper part of the connection pipe 1 is a conical head 7, and an arc chamfer is arranged at; the middle part of the excircle of the connecting pipe 1 is provided with a ring-shaped baffle ring 11, and the external conical surface of the conical head 7 is provided with a sealing sleeve 4; the sealing sleeve 4 is in a conical cylinder structure, an inner hole of the sealing sleeve 4 is matched and installed with the outer surface of a conical head 7 at the upper part of the connecting pipe, and the sealing sleeve 4 is made of oil-resistant rubber; the locking sleeve 3 is arranged at the upper part of the connecting pipe 1, the locking sleeve 3 is of a cylindrical structure, an inner hole of the locking sleeve 3 is a conical inner taper hole, the taper of the inner taper hole is consistent with the taper of a taper head 7 of the connecting pipe 1, the surface of the inner taper hole keeps a distance with the outer surface of the taper head 7, the upper end of the inner taper hole is provided with a circular arc chamfer, the lower end of the outer circle of the locking sleeve 3 is provided with an external thread, the upper part of the outer circle of the locking sleeve 3 is uniformly provided with a waist-shaped hole 5, and the waist-shaped hole 5 is convenient for a hook; the threaded sleeve 2 is arranged in the middle of the outer side of the connecting pipe 1, the threaded sleeve 2 is of an external nut structure, an inner check ring is arranged at the lower end of an inner hole of the threaded sleeve 2, the inner hole of the inner check ring is in clearance fit with a check ring 11 of the connecting pipe 1, the upper surface of the inner check ring is in contact with the lower end surface of the check ring 11, and an internal thread of the threaded sleeve 2 is in fit connection with an external thread at the lower part of the outer side of; the outer side of the screw sleeve 2 is an outer hexagonal side or an outer octagonal side.
When the special hose sealing connection device for lubricating oil is used, firstly, sealing material is coated on the inner hole inner thread at the lower part of the connecting pipe 1 and the outer thread at the upper part of the steel pipe 10, then the locking sleeve 3 is matched and sealed, then the locking sleeve 3 is taken down from the upper part of the connecting pipe 1, the small diameter end of the inner hole of the locking sleeve 3 is penetrated on the hose 8, then the inner hole of the hose 8 is coated with lubricating oil, the upper part of the conical head 7 at the upper part of the connecting pipe 1 is downwards arranged on the outer conical head 7 of the conical head, the inner hole of the hose 8 is contacted with the outer side of the sealing sleeve 4, then the locking sleeve 3 is downwards moved, the inner hole of the locking sleeve 3 is contacted with the outer wall of the hose 8, then the screw sleeve 2 is upwards moved, the inner thread of the screw sleeve 2 is matched and connected with the outer thread at the lower part of the outer side of the locking sleeve 3, the screw sleeve 2 rotates upwards to be incapable of rotating, then the, and finishing the installation process of the special hose sealing connection device for the lubricating oil.
The part of the utility model not detailed is prior art.

Claims (4)

1. The utility model provides a special hose sealing connection device of lubricating oil, includes connecting pipe (1), lock sleeve (3) and swivel nut (2), characterized by: the locking sleeve (3) is arranged at the upper part of the connecting pipe (1), and the threaded sleeve (2) is arranged in the middle of the outer side of the connecting pipe (1); the connecting pipe (1) is integrally of a vertically arranged cylindrical structure, the middle of the connecting pipe (1) is of a stepped through hole structure with a large lower part and a small upper part, an inner hole at the lower part of the connecting pipe (1) is provided with an internal thread, the end surface of the inner hole is provided with a sealing gasket (9), an outer hexagon (6) is arranged on the outer circle at the lower part of the connecting pipe (1), the outer circle at the upper part of the connecting pipe (1) is a conical head (7), and the upper end of the conical head (7) is; the middle part of the excircle of the connecting pipe (1) is provided with a ring-shaped baffle ring (11), and the external conical surface of the conical head (7) is provided with a sealing sleeve (4).
2. The special hose sealing connection device for lubricating oil as claimed in claim 1, wherein: locking sleeve (3) be cylindrical structure, the hole of locking sleeve (3) is conical interior taper hole, the tapering of interior taper hole is unanimous with the tapering of connecting pipe (1) conical head (7), interior taper hole face keeps the interval with conical head (7) surface, the upper end of interior taper hole is provided with the circular arc chamfer, the excircle lower extreme of locking sleeve (3) is provided with the external screw thread, the excircle upper portion of locking sleeve (3) evenly is provided with waist shape hole (5).
3. The special hose sealing connection device for lubricating oil as claimed in claim 1, wherein: the lower end of an inner hole of the threaded sleeve (2) is provided with an inner check ring, the inner hole of the inner check ring is in clearance fit with a baffle ring (11) of the connecting pipe (1), the upper surface of the inner check ring is in contact with the lower end surface of the baffle ring (11), and an internal thread of the threaded sleeve (2) is in fit connection with an external thread at the lower part of the outer side of the locking sleeve (3); the outer side of the screw sleeve (2) is an outer hexagonal surface (6) or an outer octagonal surface.
4. The special hose sealing connection device for lubricating oil as claimed in claim 1, wherein: the sealing sleeve (4) is of a conical barrel structure, an inner hole of the sealing sleeve (4) is matched and installed with the outer surface of a conical head (7) at the upper part of the connecting pipe (1), and the sealing sleeve (4) is made of oil-resistant rubber.
CN201922100179.9U 2019-11-29 2019-11-29 Special hose sealing connection device for lubricating oil Active CN210890525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922100179.9U CN210890525U (en) 2019-11-29 2019-11-29 Special hose sealing connection device for lubricating oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922100179.9U CN210890525U (en) 2019-11-29 2019-11-29 Special hose sealing connection device for lubricating oil

Publications (1)

Publication Number Publication Date
CN210890525U true CN210890525U (en) 2020-06-30

Family

ID=71317216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922100179.9U Active CN210890525U (en) 2019-11-29 2019-11-29 Special hose sealing connection device for lubricating oil

Country Status (1)

Country Link
CN (1) CN210890525U (en)

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