CN107893886B - Use method of rack type hose connector - Google Patents
Use method of rack type hose connector Download PDFInfo
- Publication number
- CN107893886B CN107893886B CN201711040084.1A CN201711040084A CN107893886B CN 107893886 B CN107893886 B CN 107893886B CN 201711040084 A CN201711040084 A CN 201711040084A CN 107893886 B CN107893886 B CN 107893886B
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- Prior art keywords
- sleeving
- rack
- sleeve
- hose
- transition section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/222—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the external piece comprising segments pressed against the hose by wedge shaped elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The invention discloses a use method of a rack type hose coupler, which comprises the following steps: (1) firstly, respectively sleeving 2 nut sleeves on two sections of hoses to be connected, wherein the internal thread surfaces of the nut sleeves face outwards; (2) sleeving two sections of hoses to be connected to two ends of the connector pipe body respectively, and sleeving the pipe mouths of the hoses to be connected to the fixed sleeves; (3) the nut sleeve is screwed with the thread section, the end part of the rack is extruded and protruded by the arc-shaped surface, and the end part of the protruded rack extrudes the pipe wall of the hose to be connected onto the conical surface; (4) when the hose connecting piece is disassembled, the thread section and the nut sleeve are unscrewed, the movable sleeve at the same side is far away from the sleeving transition section, the end part of the rack is recovered to the non-protruding state from the protruding state, and the hose to be connected can be pulled down from the sleeving transition section. Compared with the prior art, the invention has the beneficial effects that: the installation and the disassembly are convenient, the operation is simple and convenient, the labor is saved, and the leakage and the falling are not easy to happen.
Description
Technical Field
The invention relates to a use method of a rack type hose coupler.
Background
In the production operation field of an enterprise, some devices using gas or liquid working media are frequently used, the medium conveying pipeline adopts a hose, and the connection and use of various high-pressure hoses and low-pressure hoses are a common phenomenon, particularly in the thermal processing units using oxygen, gas, compressed air, nitrogen, hydrogen, argon, carbon dioxide gas and the like as the working media. The common characteristics of the three connection modes are that the bundled or hooped hose is subjected to inward shrinkage type extrusion deformation, and the sealing and connection are realized by the anti-slip friction resistance between the inner surface of the hose or the inner surface of an inner layer pipe and the outer surface of a connecting pipe core (an inverted conical pipe joint or a smooth straight pipe joint with a large diameter and a small diameter), the connection force is only generated on the inner surface of the pipe, the connection strength and the sealing performance of the hose are not easy to guarantee without using special tools or tools, the hose is easy to leak or even fall, and the loading and unloading operations are complicated and laborious.
CN201010242427.4 discloses a hose connector, which is composed of an expansion pipe bolt, a hoop pipe nut and a connecting movable nut; the expansion pipe bolt is provided with a thread section and a cylindrical bolt head which are of an integral structure, the outer diameter of the thread section is matched with the inner diameter of a connected hose, the center of the bolt is provided with a longitudinal through hole, the cross section of the through hole has two shapes, wherein the part corresponding to the thread section is a round hole, and the part corresponding to the bolt head is a regular polygon spanner hole; the inner hole of the hoop pipe nut is a stepped hole, the small diameter section is a threaded hole and is matched with the thread of the expansion pipe bolt, the inner wall surface of the large diameter section is an anti-skid surface and is matched with the outer diameter of the connected hose, and the hose is positioned in a gap between the large diameter section and the thread section of the expansion pipe bolt; the inner hole of the connecting movable nut is a stepped hole, the small diameter section is a smooth hole, the connecting movable nut is sleeved on the outer cylindrical surface of the thread section of the expansion pipe bolt in an empty mode, the hole diameter is slightly larger than the outer diameter of the thread section of the expansion pipe bolt, the large diameter section is a threaded hole and is matched with the external threads of a connected tool, the inner diameter of the threaded hole is slightly larger than the outer diameter of the bolt head of the expansion pipe bolt, and the bolt head is located in the threaded hole.
The advantages are that: the connecting strength is high, the sealing performance is good, the leakage is not easy, the falling is not easy, the loading and unloading do not need to be carried out by means of special tools, the operation is simple, convenient, rapid and labor-saving, and the operation can be finished manually.
But the disadvantages are: the three parts are mutually matched in size, and the machining process is complicated.
CN200780048258.7 discloses a pipe joint comprising a cylindrical male body, a cylindrical female body into which the male body is inserted, and an elastic annular locking member locking and connecting the male body and the female body, wherein the male body comprises a first cylindrical part, a second cylindrical part having the same outer diameter as or smaller than the first cylindrical part, and an outer tapered part inclined inward from the second cylindrical part from the root to the tip; the convex body further has an annular groove between the first cylindrical portion and the second cylindrical portion; the concave body includes a first inner wall surface contacting the first cylindrical portion when the convex body is inserted, a second inner wall surface contacting the second cylindrical portion, and an inner tapered portion inclined inward from the second inner wall surface, the inner tapered portion facing inward from an opening portion of the concave body into which the convex body is inserted; the concave body is further provided with the elastic annular locking member between the first inner wall surface and the second inner wall surface, and has two stages formed by abutting the locking groove on the opening side and the accommodating groove on the inner side; a radius of the accommodating groove is formed larger than a length obtained by adding a radius of the second cylindrical portion to a diameter of the elastic annular locking capsule, and a depth of the annular groove from the first cylindrical portion and a depth of the locking groove from the first inner wall surface are formed larger than the diameter of the elastic annular locking capsule; the elastic annular locking member has a gap formed by cutting off a part of the annular shape, and the inner circumference diameter of the elastic annular locking member is formed smaller than the outer diameter of the second cylindrical portion; an angle between a wall surface of the annular groove on the distal end side and an axis is 90 ° to 45 °, and an angle between a wall surface of the locking groove on the opening side and the axis is 30 ° or more and less than 90 °; an angle between a wall surface of the annular groove on the distal end side and an axis is set larger than an angle between a wall surface of the locking groove on the opening side and the axis; the convex body has a third cylindrical portion on the distal end side of the outer tapered portion; the concave body has a third inner wall surface contacting the third cylindrical portion when the convex body is inserted into the inner side of the inner tapered portion; a seal member accommodating groove for accommodating an elastic annular seal member for sealing a fluid, the seal member accommodating groove spanning the third inner wall surface or both the third inner wall surface and the third cylindrical portion; the elastic annular seal member is disposed in the seal member accommodating groove formed in the third inner wall surface; when the axial length of the second cylindrical portion is defined as A and the axial length from the front end of the portion having the same outer diameter of the third cylindrical portion to the rear end of the portion of the elastic annular seal member in contact with the third cylindrical portion on the root side is defined as B, A > B is satisfied.
The disadvantage is that the structure is too complex.
Disclosure of Invention
The problem to be solved by the present invention is to provide a method for using a rack-type hose coupler, which is directed to the above-mentioned disadvantages of the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method of using a rack-and-pinion hose fitting, comprising the steps of:
(1) firstly, respectively sleeving 2 nut sleeves on two sections of hoses to be connected, wherein the internal thread surfaces of the nut sleeves face outwards;
(2) sleeving two sections of hoses to be connected to two ends of the connector pipe body respectively, and sleeving the pipe mouths of the hoses to be connected to the fixed sleeves;
(3) the nut sleeve is screwed with the thread section, the movable sleeve is gradually close to the sleeving transition section under the guiding action of the guide groove and the guide convex edge, the end part of the rack is gradually close to the sleeving transition section until the rack is extruded and protruded by the arc-shaped surface, and the end part of the protruded rack extrudes the pipe wall of the hose to be connected onto the conical surface;
(4) when the hose connecting piece is disassembled, the thread section and the nut sleeve are unscrewed, the movable sleeve at the same side is far away from the sleeving transition section, the end part of the rack is recovered to the non-protruding state from the protruding state, and the hose to be connected can be pulled down from the sleeving transition section.
The outer diameter of the fixing sleeve is matched with the inner diameter of the hose to be connected.
The longitudinal section of the sleeve joint transition section is conical, the small end of the sleeve joint transition section faces outwards, anti-skid sawteeth are arranged on the outer circumferential surface of the sleeve joint transition section, and the saw blade of the anti-skid sawteeth faces towards the center of the joint pipe body.
The length of the rack is larger than the width of the fixing sleeve.
The width of the nut sleeve is larger than the width of the fixed sleeve plus the width of the thread section.
Compared with the prior art, the invention has the beneficial effects that: the installation and the disassembly are convenient, the operation is simple and convenient, the labor is saved, and the leakage and the falling are not easy to happen.
Drawings
FIG. 1 is a schematic structural view of a rack and pinion hose coupling of the present invention.
The joint comprises a joint pipe body 1, a sleeve joint transition section 2, a fixed sleeve 3, a movable sleeve 4, a nut sleeve 5, a thread section 6, a rack 7, a guide convex edge 8, a conical surface 9 and an internal thread surface 10.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The following components are included in the figure: the joint comprises a joint pipe body 1, a sleeve joint transition section 2, a fixed sleeve 3, a movable sleeve 4, a nut sleeve 5, a thread section 6, a rack 7, a guide convex rib 8, a conical surface 9 and an internal thread surface 10.
As shown in figure 1, the rack type hose connector comprises a connector pipe body and 2 nut sleeves, wherein the connector pipe body is a hollow cylinder, two ends of the connector pipe body are respectively provided with a sleeving transition section, the outer diameter of the sleeving transition section is larger than that of the middle pipe body of the connector pipe body, two near end parts of the middle pipe body close to the sleeving transition section are respectively and fixedly connected with 1 fixing sleeve, through holes are axially and annularly and uniformly distributed in the side wall of the fixing sleeve, 2 movable sleeves are arranged between the fixing sleeves, each movable sleeve comprises a rack section and a thread section, the rack section faces the fixing sleeve, each rack section comprises a plurality of racks which are annularly and uniformly distributed, the end parts of the racks are arc-shaped, the racks of the movable sleeves on the same side are correspondingly inserted into the through holes of the fixing sleeves, one side of the sleeving transition section, which corresponds to the through holes, at least one axial guide groove is arranged on the inner circumferential surface of the, the outer circumferential surface of the thread section is provided with external threads, the inner circumferential surface of the nut sleeve is axially divided into a conical surface and an internal thread surface along a longitudinal axis, the large end of the conical surface faces the center of the joint pipe body, the internal thread surface faces the center of the joint pipe body, and the external threads of the thread section are matched with the internal threads on the internal thread surface of the nut sleeve.
The outer diameter of the fixing sleeve is matched with the inner diameter of the hose to be connected.
The longitudinal section of the sleeve joint transition section is conical, the small end of the sleeve joint transition section faces outwards, anti-skid sawteeth are arranged on the outer circumferential surface of the sleeve joint transition section, and the saw blade of the anti-skid sawteeth faces towards the center of the joint pipe body.
The length of the rack is larger than the width of the fixing sleeve.
The width of the nut sleeve is larger than the width of the fixed sleeve plus the width of the thread section.
The use method of the rack type hose connector comprises the following steps:
(1) firstly, respectively sleeving 2 nut sleeves on two sections of hoses to be connected, wherein the internal thread surfaces of the nut sleeves face outwards;
(2) sleeving two sections of hoses to be connected to two ends of the connector pipe body respectively, and sleeving the pipe mouths of the hoses to be connected to the fixed sleeves;
(3) the nut sleeve is screwed with the thread section, the movable sleeve is gradually close to the sleeving transition section under the guiding action of the guide groove and the guide convex edge, the end part of the rack is gradually close to the sleeving transition section until the rack is extruded and protruded by the arc-shaped surface, and the end part of the protruded rack extrudes the pipe wall of the hose to be connected onto the conical surface;
(4) when the hose connecting piece is disassembled, the thread section and the nut sleeve are unscrewed, the movable sleeve at the same side is far away from the sleeving transition section, the end part of the rack is recovered to the non-protruding state from the protruding state, and the hose to be connected can be pulled down from the sleeving transition section.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A method for using a rack-type hose coupler is characterized in that: the method comprises the following steps: (1) firstly, respectively sleeving 2 nut sleeves on two sections of hoses to be connected, wherein the internal thread surfaces of the nut sleeves face outwards;
(2) sleeving two sections of hoses to be connected to two ends of the connector pipe body respectively, and sleeving the pipe mouths of the hoses to be connected to the fixed sleeves;
(3) the nut sleeve is screwed with the thread section, the movable sleeve is gradually close to the sleeving transition section under the guiding action of the guide groove and the guide convex edge, the end part of the rack is gradually close to the sleeving transition section until the rack is extruded and protruded by the arc-shaped surface, and the end part of the protruded rack extrudes the pipe wall of the hose to be connected onto the conical surface;
(4) when the hose is disassembled, the thread section and the nut sleeve are unscrewed, the movable sleeve at the same side is far away from the sleeving transition section, the end part of the rack is restored to the non-protruding state from the protruding state, and the hose to be connected can be pulled down from the sleeving transition section;
the outer diameter of the fixed sleeve is matched with the inner diameter of the hose to be connected;
the longitudinal section of the sleeve joint transition section is conical, the small end of the sleeve joint transition section faces outwards, and anti-skid sawteeth are arranged on the outer circumferential surface of the sleeve joint transition section, and the saw edge of each anti-skid sawtooth faces the center of the joint pipe body;
the length of the rack is greater than the width of the fixed sleeve;
the width of the nut sleeve is larger than the width of the fixed sleeve plus the width of the thread section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040084.1A CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040084.1A CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107893886A CN107893886A (en) | 2018-04-10 |
| CN107893886B true CN107893886B (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711040084.1A Active CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN107893886B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558375A (en) * | 1995-07-10 | 1996-09-24 | Deere & Company | Quick attach, reusable hose fittings |
| CN104976466A (en) * | 2015-06-24 | 2015-10-14 | 严传 | Novel soft elastic water pipe connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015068411A (en) * | 2013-09-30 | 2015-04-13 | 株式会社リガルジョイント | High pressure resistance pipe joint |
-
2017
- 2017-10-31 CN CN201711040084.1A patent/CN107893886B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558375A (en) * | 1995-07-10 | 1996-09-24 | Deere & Company | Quick attach, reusable hose fittings |
| CN104976466A (en) * | 2015-06-24 | 2015-10-14 | 严传 | Novel soft elastic water pipe connector |
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| Publication number | Publication date |
|---|---|
| CN107893886A (en) | 2018-04-10 |
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