CN111089210A - Alloy steel's quick-operation joint structure - Google Patents
Alloy steel's quick-operation joint structure Download PDFInfo
- Publication number
- CN111089210A CN111089210A CN202010135261.XA CN202010135261A CN111089210A CN 111089210 A CN111089210 A CN 111089210A CN 202010135261 A CN202010135261 A CN 202010135261A CN 111089210 A CN111089210 A CN 111089210A
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- Prior art keywords
- plug
- shell
- housing
- valve core
- outer ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a quick joint structure made of alloy steel, which comprises a shell, an outer ring, a plug, a shell joint body and a sealing device, wherein the plug extends into an inner cavity of the shell and is in sliding connection with the shell; the shell and the plug are made of 3Cr13 alloy steel, and the 3Cr13 alloy steel is pressure-resistant and wear-resistant, so that the plug and the shell are not easy to be pulled in frequent movement, and the service life of the whole joint body is prolonged.
Description
Technical Field
The invention relates to the technical field of pipe joints, in particular to a quick joint structure made of alloy steel.
Background
The pipe joint structure mainly comprises a female socket and a male plug, wherein the male plug is connected with the female socket in an inserting mode to realize quick connection, Chinese patent ZL201320402302.2 discloses an improved high-pressure quick pipe joint, which can convert axial disengaging force caused by high pressure in a pipe into radial clamping force of an elastic pipe clamp on a connecting insertion pipe by utilizing the matching of the elastic pipe clamp and a locking hoop when high pressure is formed in an outer pipe, and the larger the pressure in the pipe is, the tighter the elastic pipe clamp is used for clamping the connecting insertion pipe, the more reliable the connection and the sealing of the pipe joint are, the better the high-pressure performance is, so that the problem of poor high-pressure resistance performance of the existing joint is thoroughly solved. Moreover, the device also has the characteristics of no tool for installation, full adoption of plug-in mounting and quick installation. However, the patent has a problem that the connection cannula is not easy to be pulled out quickly because once the elastic tube clamp is locked by the locking hoop under high pressure, the elastic tube clamp bites the connection cannula, and particularly, tooth marks are arranged on the bite, so that the connection cannula is not easy to be pulled out, thereby affecting the efficiency of quick pulling.
And the existing quick connector body is mostly made of 45# steel, the connector body is required to be movable, and the characteristics of the 45# steel determine that the plug and the shell are easily damaged under the action of pressure in the frequent moving process, so that the whole service time of the connector body is short, and unnecessary loss and inconvenience are caused to merchants.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a quick joint structure made of alloy steel.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a quick joint structure made of alloy steel, which comprises a shell, an outer ring and a plug, the shell joint comprises a shell joint body and a sealing device, wherein a plug extends into an inner cavity of a shell and is in sliding connection with the shell, a shell valve sleeve, a shell valve core and a shell lining are arranged in the inner cavity of the shell, the shell lining is in limited sliding connection with the front end of the inner cavity of the shell, a limiting step is arranged on the outer wall of the shell valve sleeve, a front port of the shell valve sleeve is in dynamic corresponding connection with a rod head of the shell valve core, a rod seat of the shell valve core is in positioned connection with a body joint body, the front port of the shell valve sleeve and the rod head of the shell valve core are in sliding connection with the shell lining, a shell lining spring is arranged between the inner end surface of the shell lining and the limiting step of the shell valve sleeve, a shell valve sleeve spring is arranged between the limiting step of the shell valve sleeve and a port of a.
Furthermore, a plug valve core and a plug valve seat are arranged in the inner cavity of the plug, the plug valve core is in limited sliding connection with the front end of the inner cavity of the plug, the plug valve seat is in positioned connection with the rear section of the inner cavity of the plug, a rod body of the plug valve core is in sliding connection with the plug valve seat, a plug valve core spring is arranged between the plug valve seat and a rod seat of the plug valve core, and the plug valve core and the front end of the inner cavity of the plug form a plug closed pipeline under the action of the plug valve core spring.
Furthermore, when the plug is inserted into the inner cavity of the shell for connection, the plug is in collision connection with the shell bushing, the rod head of the shell valve core is in collision connection with the plug valve core, the plug pushes the shell bushing to move backwards, the shell bushing presses the shell valve sleeve to move backwards at the same time, and the shell closed pipeline is opened; meanwhile, the valve core of the shell pushes the valve core of the plug to move backwards, and the closed pipeline of the plug is opened; the housing closure line and the plug closure line are simultaneously opened to form a fluid passage.
Furthermore, the inner cavity of the plug is provided with a tapered hole, the tapered hole corresponds to and is in limited connection with the step of the plug valve core, and the plug valve seat is in positioning connection with the step of the rear section of the inner cavity of the plug through a retaining ring.
Furthermore, the shell and the shell joint body are simultaneously in threaded connection with the shell valve sleeve seat, the shell valve sleeve seat is limited by the inner step of the shell joint body, and the shell valve core is in threaded connection with the shell valve sleeve seat.
Furthermore, the inner cavities of the shell and the outer ring are in sliding connection and are locked by an outer ring retainer ring, one end of the outer ring is provided with a positioning groove, when the riveted steel balls on the shell center the grooves of the outer ring, the outer ring is slid to enable the steel balls uniformly distributed on the shell to float, a plug is inserted to enable the quick connector to be connected, the outer ring is loosened to enable the outer ring to be subjected to the action force of an outer ring spring to enable the steel balls to be positioned, and the outer ring is rotated to enable the grooves on the outer ring to.
Furthermore, the shell and the plug are made of 3Cr13 alloy steel.
The invention has the beneficial effects that: when the plug is inserted into the inner cavity of the shell for connection, the plug is connected with the shell bushing in a colliding manner, the rod head of the shell valve core is connected with the plug valve core in a colliding manner, the plug pushes the shell bushing to move backwards, the shell bushing presses the shell valve sleeve to move backwards at the same time, and the shell closed pipeline is opened; meanwhile, the valve core of the shell pushes the valve core of the plug to move backwards, and the closed pipeline of the plug is opened; the closed pipeline of casing and the closed pipeline of plug open simultaneously and form fluid passage, and it is convenient to peg graft, and the material of casing and plug is 3Cr13 alloy steel moreover, and 3Cr13 alloy steel material is withstand voltage, characteristic such as wear-resisting, and plug and casing are also difficult for pulling in often moving over to the whole life of joint body has been increased.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a schematic structural view of a male plug of the present invention;
fig. 3 is a schematic structural diagram of the female socket of the present invention.
Detailed Description
As shown in fig. 1 to 3, a quick joint structure made of alloy steel comprises a housing 1, an outer ring 2, a plug 3, a housing joint body 4 and a sealing device, wherein the plug 3 is sleeved outside the housing joint body 4, and an O-ring 9 is arranged at the joint of the plug 3 and the housing joint body 4;
the plug 3 extends into the inner cavity of the shell 1 to be connected with the shell 1 in a sliding way, the shell 1 and the plug 3 are made of 3Cr13 alloy steel, a shell valve sleeve 7 is arranged in the inner cavity of the shell 1, the valve sleeve comprises a shell valve core 6 and a shell bushing 24, the shell bushing 24 is in limited sliding connection with the front end of an inner cavity of a shell 1, a limiting step is arranged on the outer sleeve wall of a shell valve sleeve 7, a front port of the shell valve sleeve 7 is in dynamic corresponding connection with a rod head of the shell valve core 6, a rod seat of the shell valve core 6 is in positioned connection with a body connector body 4, the front port of the shell valve sleeve 7 and the rod head of the shell valve core 6 are in sliding connection with the shell bushing 24, a shell bushing spring 21 is arranged between an inner end face of the shell bushing 24 and the limiting step of the shell valve sleeve 7, a shell valve sleeve spring 20 is arranged between the limiting step of the shell valve sleeve 7 and a port of a connector body integrated valve seat 17, and the shell valve sleeve 7 and the rod head of the shell.
Further, a plug valve core 5 and a plug valve seat 23 are arranged in an inner cavity of the plug 3, the plug valve core 5 is in limited sliding connection with the front end of the inner cavity of the plug 3, the plug valve seat 23 is in positioned connection with the rear section of the inner cavity of the plug 3, a rod body of the plug valve core 5 is in sliding connection with the plug valve seat 23, a plug valve core spring 8 is arranged between the plug valve seat 23 and the rod seat of the plug valve core 5, and the plug valve core 5 and the front end of the inner cavity of the plug 3 form a plug closed pipeline under the action of the plug valve core spring 8.
When the plug 3 is inserted into the inner cavity of the shell 1 for connection, the plug 3 is connected with the shell bushing 24 in a colliding way, the rod head of the shell valve core 6 is connected with the plug valve core 4 in a colliding way, the plug 3 pushes the shell bushing 24 to move backwards, the shell bushing 24 pushes the shell valve sleeve 7 to move backwards simultaneously after being compressed, and the shell closed pipeline is opened; meanwhile, the shell valve core 6 pushes the plug valve core 5 to move backwards, and the plug closed pipeline is opened; the housing closure line and the plug closure line are simultaneously opened to form a fluid passage.
The inner cavity of the plug 3 is provided with a tapered hole, the tapered hole corresponds to the step of the plug valve core 5 for limiting connection, and the plug valve seat 23 is connected with the step of the rear section of the inner cavity of the plug 3 in a positioning manner through a retaining ring.
The shell 1 and the shell joint body 4 are simultaneously in external thread connection with the shell valve sleeve seat 22, the shell valve sleeve seat 22 is limited by the step in the shell joint body 4, and the shell valve core 6 is in internal thread connection with the shell valve sleeve seat 22.
In addition, the inner cavities of the shell 1 and the outer ring 2 are in sliding connection and are locked by an outer ring retainer ring 11, one end of the outer ring 2 is provided with a positioning groove, when the steel balls 12 riveted on the shell 1 center the grooves of the outer ring 2, the outer ring 2 is slid to enable the steel balls 12 uniformly distributed on the shell 1 to float, the plug 3 is inserted to enable the quick connector to be connected, the outer ring 2 is loosened to enable the outer ring 2 to be acted by an outer ring spring 13 to enable the steel balls 12 to be positioned, and the outer ring 2 is rotated to enable the grooves on the outer ring to be staggered with.
When the male plug is connected with the female socket, the plug 3 is in butt joint with the shell 1, the plug 3 is inserted into the shell, the shell bushing 24 and the shell valve sleeve 7 are pushed to move towards one end of the shell valve seat, the steel ball 12 falls into the groove of the plug 3, the outer ring 2 moves towards one end of the plug 3 under the action of the outer ring spring 13, the steel ball 12 is positioned at the moment, the outer ring 2 is rotated to enable the groove in the outer ring 12 to be staggered with the riveting steel ball 12, the locking purpose is achieved, and the quick connector is prevented from being disconnected due to looseness of the outer ring 2 in the.
After the male plug is connected with the female socket, fluid flows out from the shell 1 through the shell connector body integrated valve seat 17, the shell valve sleeve 7, the shell valve core 6, the plug 3, the plug valve core 5, the plug valve seat 23 and then the plug 3.
When the male plug is disconnected with the female socket, the outer ring 2 is rotated to enable the groove on the outer ring 2 to be aligned with the riveting steel ball, the steel ball 12 is pushed into the outer ring 2, the outer ring 2 is slid to enable the steel balls 12 uniformly distributed on the shell 1 to be aligned with the groove on the inner wall of the outer ring 2, the steel ball 12 floats, the plug 3 is popped up under the action of the force of the plug valve core spring 8, at the moment, the shell valve sleeve 7 is connected with the shell valve core 6, the pipeline.
In addition, the shell 1 and the plug 3 are made of 3Cr13 alloy steel, and the 3Cr13 alloy steel has the characteristics of pressure resistance, wear resistance and the like, so that the plug 3 and the shell 1 are not easy to be pulled in frequent movement, and the service life of the whole joint body is prolonged.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A quick joint structure made of alloy steel comprises a shell (1), an outer ring (2), a plug (3), a shell joint body (4) and a sealing device, wherein the plug (3) extends into an inner cavity of the shell (1) and is in sliding connection with the shell (1), and the quick joint structure is characterized in that a shell valve sleeve (7), a shell valve core (6) and a shell bush (24) are arranged in the inner cavity of the shell (1), the shell bush (24) is in limited sliding connection with the front end of the inner cavity of the shell (1), a limit step is arranged on the outer sleeve wall of the shell valve sleeve (7), the front port of the shell valve sleeve (7) is in dynamic corresponding connection with the rod head of the shell valve core (6), the rod seat of the shell valve core (6) is in positioned connection with the body joint body (4), the front port of the shell valve sleeve (7) and the rod head of the shell valve core (6) are in sliding connection with the shell bush (24), a shell bush spring (21) is arranged between the inner end surface, a shell valve sleeve spring (20) is arranged between a limiting step of the shell valve sleeve (7) and a port of the joint body integrated valve seat (17), and the shell valve sleeve (7) and a rod head of the shell valve core (6) form a shell closed pipeline under the action of a shell bushing spring (21) and the shell valve sleeve spring (20).
2. The quick joint structure made of alloy steel according to claim 1, characterized in that a plug valve core (5) and a plug valve seat (23) are arranged in an inner cavity of the plug (3), the plug valve core (5) is in limited sliding connection with the front end of the inner cavity of the plug (3), the plug valve seat (23) is in positioned connection with the rear section of the inner cavity of the plug (3), a rod body of the plug valve core (5) is in sliding connection with the plug valve seat (23), a plug valve core spring (8) is arranged between the plug valve seat (23) and a rod seat of the plug valve core (5), and the plug valve core (5) forms a plug closed pipeline with the front end of the inner cavity of the plug (3) under the action of the plug valve core spring (8).
3. The alloy steel quick joint structure according to claim 2, wherein when the plug (3) is inserted into the inner cavity of the housing (1) for connection, the plug (3) is connected with the housing bush (24) in a colliding manner, the head of the housing valve core (6) is connected with the plug valve core (4) in a colliding manner, the plug (3) pushes the housing bush (24) to move backwards, the housing bush (24) pushes the housing valve sleeve (7) to move backwards simultaneously after being pressed tightly, and the housing closed pipeline is opened; meanwhile, the shell valve core (6) pushes the plug valve core (5) to move backwards, and the plug closed pipeline is opened; the housing closure line and the plug closure line are simultaneously opened to form a fluid passage.
4. The quick joint structure made of alloy steel according to claim 3, characterized in that the inner cavity of the plug (3) is provided with a tapered hole, the tapered hole is correspondingly limited and connected with the step of the plug valve core (5), and the plug valve seat (23) is connected with the rear step of the inner cavity of the plug (3) in a positioning manner through a retaining ring.
5. The quick joint structure made of alloy steel according to claim 3, characterized in that the housing (1) and the housing joint body (4) are simultaneously in external thread connection with the housing valve sleeve seat (22), the housing valve sleeve seat (22) is limited by the inner step of the housing joint body (4), and the housing valve core (6) is in internal thread connection with the housing valve sleeve seat (22).
6. The quick joint structure made of alloy steel according to claim 3, characterized in that the inner cavities of the housing (1) and the outer ring (2) are connected in a sliding manner and locked by an outer ring retainer ring (11), one end of the outer ring (2) is provided with a positioning groove, when the riveted steel balls (12) on the housing (1) center the groove of the outer ring (2), the steel balls (12) uniformly distributed on the housing (1) float by sliding the outer ring (2), the plug (3) is inserted to connect the quick joint, the outer ring (2) is loosened to enable the outer ring (2) to be acted by an outer ring spring (13), the steel balls (12) are positioned, and the outer ring (2) is rotated to enable the groove on the outer ring to be staggered with the riveted steel balls (12), so that the locking purpose is achieved.
7. An alloy steel quick connector structure according to claim 1, characterized in that the housing (1) and the plug (3) are made of 3Cr13 alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135261.XA CN111089210A (en) | 2020-03-02 | 2020-03-02 | Alloy steel's quick-operation joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135261.XA CN111089210A (en) | 2020-03-02 | 2020-03-02 | Alloy steel's quick-operation joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111089210A true CN111089210A (en) | 2020-05-01 |
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ID=70400206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010135261.XA Pending CN111089210A (en) | 2020-03-02 | 2020-03-02 | Alloy steel's quick-operation joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111089210A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204664716U (en) * | 2015-06-10 | 2015-09-23 | 江西艾克实业有限公司 | A kind of plane type rapid pipe joint |
| CN205745795U (en) * | 2016-07-07 | 2016-11-30 | 江西艾克实业有限公司 | A kind of hydraulic joint of resistance to extra-high voltage |
| CN206352700U (en) * | 2016-07-07 | 2017-07-25 | 江西艾克实业有限公司 | A kind of steel alloy high pressure connection |
-
2020
- 2020-03-02 CN CN202010135261.XA patent/CN111089210A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204664716U (en) * | 2015-06-10 | 2015-09-23 | 江西艾克实业有限公司 | A kind of plane type rapid pipe joint |
| CN205745795U (en) * | 2016-07-07 | 2016-11-30 | 江西艾克实业有限公司 | A kind of hydraulic joint of resistance to extra-high voltage |
| CN206352700U (en) * | 2016-07-07 | 2017-07-25 | 江西艾克实业有限公司 | A kind of steel alloy high pressure connection |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200501 |