CN103162042A - Male connector - Google Patents
Male connector Download PDFInfo
- Publication number
- CN103162042A CN103162042A CN 201110411339 CN201110411339A CN103162042A CN 103162042 A CN103162042 A CN 103162042A CN 201110411339 CN201110411339 CN 201110411339 CN 201110411339 A CN201110411339 A CN 201110411339A CN 103162042 A CN103162042 A CN 103162042A
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- contact
- runner
- face
- spool
- fluid
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a male connector which is capable of bearing high pressure, simple in structure and convenient and fast to operate when butt joint is conducted. The male connector comprises a male valve body with a runner, wherein one end of the runner is used for being connected with a fluid pipe, a valve seat with a hole is arranged in the fluid pipe, a valve core which can move along the axial line of the runner is arranged inside the fluid pipe, the valve core is contacted with the valve seat in a sealing mode through a conical sealing face, the conical sealing face of the valve seat is opposite to one end, connected with the fluid pipe, of the runner, an elastic member is arranged between the male valve body and the valve core, and the elastic member enables the valve core to be contacted with the valve seat in a sealing mode in an ordinary state.
Description
Technical field
Present technique relates to a kind of joint, specifically, is the tool joint pin in a kind of high-voltage high-speed oil connection.
Background technique
Generally for the flexible pipe joint, it generally comprises tool joint pin and female joint in rapid pipe joint.During use, tool joint pin is docked with female joint and get final product.But general tool joint pin dock with female joint complete after, could pass into fluid to pipeline (being generally flexible pipe).In tool joint pin with before female joint is docked, can not pressure-bearing due to tool joint pin or female joint, pipeline can not pass into fluid.In addition, existing rapid pipe joint, the internal structure more complicated of tool joint pin and female joint, the complex operation that tool joint pin makes tool joint pin communicate with the female joint internal channel when docking with female joint, closing speed is slow.The 3rd, existing rapid pipe joint sealing effect is bad, easily causes fluid leakage.
Summary of the invention
The purpose of present technique be to provide a kind of can be bearing elevated pressures, simple in structure, tool joint pin convenient to operation during docking.
This tool joint pin comprises the public valve body with runner, and an end of runner is used for being connected with fluid hose; Be provided with the valve seat that has the hole in runner, the spool that can move along the runner axis is arranged in runner, spool seals by conical seal (contact) face with valve seat and contacts; The conical seal (contact) face of valve seat is relative with runner one end that is connected with fluid hose; Be provided with elastic component between public valve body and spool, this elastic component makes spool contact with valve base sealing when normality.
The beneficial effect of present technique: tool joint pin can be born elevated pressures, that is to say, when tool joint pin was connected with fluid hose, when having elevated pressures in fluid hose, tool joint pin can not leaked.Because making the spool conical seal (contact) face, the elastic component in tool joint pin contacts with the valve seat conical seal (contact) face; And the valve seat conical seal (contact) face is relative with runner one end that is connected with fluid hose, and the pressure of fluid hose inner fluid also makes the spool conical seal (contact) face contact with the valve seat conical seal (contact) face; Can say, the fluid hose internal pressure is larger, and the sealing effect of spool and valve seat is better.
In order to make spool conical seal (contact) face and valve seat conical surface seal face reliable sealing, above-mentioned tool joint pin is provided with the seal ring that contacts for the valve seat conical seal (contact) face on spool.
Above-mentioned tool joint pin, spool comprise with the corresponding guide pin bushing of runner inner wall, valve core head, are connected the connecting body of guide pin bushing and valve core head, and the external diameter of connecting body and valve core head is all less than the runner internal diameter; Have fluid through-hole in connecting body, an end of fluid through-hole communicates with the endoporus of guide pin bushing, and the other end of fluid through-hole is opened on the periphery of connecting body; Has the spool conical seal (contact) face on valve core head.This spool is owing to having guide pin bushing, and movement direction is better vertically to make spool; Fluid through-hole can make the flow mistake.
Description of drawings
Fig. 1 is the schematic diagram of female joint.
Fig. 2 is the stereogram of mandrel.
Fig. 3 is the schematic diagram of tool joint pin.
Fig. 4 is the stereogram of spool.
Fig. 5 is the schematic diagram of rapid pipe joint.
Embodiment
Referring to Fig. 5, this rapid pipe joint, it comprises be connected a female joint 100 and a tool joint pin 200.
Be provided with core retainer plate conical seal (contact) face 35 on the core retainer plate right side.The left end of mandrel 4 is fixing silently 5, and right-hand member passes the core retainer plate center hole and formed the jut 41 with mandrel conical seal (contact) face 45, is provided with seal ring 92 between jut 41 and mandrel right side.Seal ring 92 contacts with the core retainer plate conical seal (contact) face with mandrel conical seal (contact) face 45 and form the sealing contact simultaneously.
Be provided with limited step in the main valve body fluid passage on core retainer plate right side, limit dais terrace 13 is C with distance between relative mandrel end.Referring to Fig. 2, relative with limit dais terrace mandrel has the groove 44 that radially extends on the right side, when mandrel moves, when the mandrel right side contacted with limit dais terrace 13, the fluid passage on right side, mandrel right side can communicate by groove 44 with the fluid passage in left side, mandrel right side.
Silently 5 periphery has silently conical seal (contact) face 55.The left end endoporus of vexed cover has the sliding sleeve conical seal (contact) face 65 that coordinates with conical seal (contact) face 55 silently.
Sliding sleeve is sleeved on mandrel and can endwisely slipping along mandrel; Sliding sleeve and the jut 41 with mandrel conical seal (contact) face lay respectively at the both sides of core retainer plate.Be provided with spiral compression spring 99 between the left end of the spring housing 62 of sliding sleeve and core retainer plate, the trend that this spiral compression spring 99 makes sliding sleeve have when normality to be moved to the left, thereby make sliding sleeve with silently the sealing contact, simultaneously, the elastic force of spiral compression spring 99 also makes by sliding sleeve silently has the trend that is moved to the left, thereby make fixing mandrel silently have the trend that is moved to the left, like this, mandrel mandrel when normality contacts with the core retainer plate sealing.Thus, spiral compression spring 99 make simultaneously when normality sliding sleeve with silently seal contact, the sealing of mandrel and core retainer plate contacts.
Positioning means comprises overcoat 301, nine balls 302, spring 303 etc.Being provided with in the auxiliary valve body periphery can be along the axially movable overcoat 301 of mandrel, and the endoporus of overcoat has prominent ring 304; Has outstanding back-up ring 24 on the periphery of auxiliary valve body.Back-up ring is in the endoporus of overcoat; Back-up ring is in the left side of prominent ring, and relative at axial direction with prominent ring.Spring 303 is arranged between the left side of prominent ring right side and main valve body, and during normality, spring 303 makes the left side of prominent ring contact with the right side of back-up ring.Radially have nine through holes 25 along mandrel on auxiliary valve body.Circumferentially have at public valve body the ring-type V-shaped groove 74 that the cross section is V-arrangement.
In the time of need to docking tool joint pin with female joint, first overcome the axis of elasticity of spring 303 to the overcoat that moves right, make the outer prominent ring that puts at ball not in the radial direction, make ball radially moving freely.Then public valve body right-hand member is inserted in the circulation passage of auxiliary valve body, the right-hand member of public valve body first radially is pushed to ball in through hole 25 and back-up ring and the interval of dashing forward between encircling, along with continuing to insert, relative public valve body right side contacts with the polyurethane sleeve left side, and relative spool right side contacts with the mandrel left side.Put in place when public valve body moves to right, the right side of public valve body promotes sliding sleeve along the mandrel axis distance A that moves right, and spool promotes mandrel and moves right apart from B along the mandrel axis, and B is less than A; At this moment, the limit dais terrace contacts with the mandrel right side, V-shaped groove 74 at through hole 25 in same plane.Then, unclamp overcoat, make under the outer effect that is enclosed within spring 303 to move to left, until contact with back-up ring to prominent ring, the prominent promotion ball that encircles enters in through hole and V-shaped groove 74, completes docking operation.
after docking is completed, public valve body 7 inner flow passage 71 left ends are by collar 201 endoporus, spring cup 202 endoporus, guide pin bushing 81 endoporus, fluid through-hole 84, gap between valve core head periphery and runner inner wall, gap between spool conical seal (contact) face and valve seat conical seal (contact) face, the gap between conical seal (contact) face and vexed cover conical seal (contact) face silently, gap between the periphery of mandrel and vexed cover endoporus, gap between the periphery of mandrel and spring housing communicates with fluid passage in auxiliary valve body, fluid passage in auxiliary valve body is by the core retainer plate center hole, gap between core retainer plate conical seal (contact) face and mandrel conical seal (contact) face, gap between the flow channel inwall of mandrel right-hand member periphery and main valve body, groove 44 communicates with the flow channel right-hand member of main valve body.Like this, the left end of the right-hand member of fluid passage and runner has formed the passage of a perforation.In mated condition, o RunddichtringO 95 and y-type seal ring 93 prevent outward leakage; O type circle 94 prevents interior leakage.In mated condition, tool joint pin still can be rotated 360 ° around the axis of mandrel with respect to female joint, and keeps sealing, connects safe and reliable.When back-up ring encircles when axial direction contacts with prominent, ball is positioned at and is positioned at simultaneously v shape groove and through hole, under this state, because prominent ring has blocked ball in radial direction, the inclined-plane, both sides of v shape groove can not promote ball and make ball radially move, can not move axially so be provided with the public valve body of v shape groove, thereby make tool joint pin be locked in the state that docks with female joint.
In the time of need to extracting tool joint pin in the female joint, need the overcoat that first axially move right, make the outer prominent ring that puts at ball not in the radial direction, make ball radially moving freely.And then extract tool joint pin, a skew back face of v shape groove can promote ball and radially move, and makes ball leave in v shape groove and enters in interval between through hole and back-up ring and prominent the ring.
After extracting tool joint pin, tool joint pin makes again o RunddichtringO 96, spool conical seal (contact) face 85 all contact with 75 sealings of valve seat conical seal (contact) face under the effect of Compress Spring 203, has guaranteed that the fluid hose that is connected with the left end of tool joint pin can not leak.Certainly, female joint under the effect of spiral compression spring 99, make sliding sleeve with silently seal contact, the sealing of mandrel and core retainer plate contacts, and guaranteed that the fluid circuit that is connected with female joint can not leak.For female joint, when not inserting tool joint pin, female joint is connected with fluid circuit, and o type circle 91 and seal ring 92 have sealed an end of fluid circuit, even there is oil pressure also can not reveal.
With after female joint is docked, when joint was connected, the place that originally is in sealing under the state of access failure all was opened when tool joint pin, and pressure oil with regard to passing through this rapid pipe joint, is connected on other oil circuit like this.
The beneficial effect of this rapid pipe joint:
1, female joint can be born elevated pressures, that is to say, when female joint was connected with fluid circuit, when having elevated pressures in fluid circuit, female joint can not leaked.Because making the mandrel conical seal (contact) face, the elastic element in female joint contacts with the core retainer plate conical seal (contact) face; And the core retainer plate conical seal (contact) face is relative with fluid passage one end that is connected with fluid circuit, and the pressure of fluid circuit inner fluid also makes the mandrel conical seal (contact) face contact with the core retainer plate conical seal (contact) face; Can say, the fluid circuit internal pressure is larger, and the sealing effect of mandrel and core retainer plate is better.
2, tool joint pin can be born elevated pressures, that is to say, when tool joint pin was connected with fluid hose, when having elevated pressures in fluid hose, tool joint pin can not leaked.Because making the spool conical seal (contact) face, the elastic component in tool joint pin contacts with the valve seat conical seal (contact) face; And the valve seat conical seal (contact) face is relative with runner one end that is connected with fluid hose, and the pressure of fluid hose inner fluid also makes the spool conical seal (contact) face contact with the valve seat conical seal (contact) face; Can say, the fluid hose internal pressure is larger, and the sealing effect of spool and valve seat is better.
3, docking operation is convenient and swift, and the interior runner of the fluid passage in the main-valve body and public valve body docks with female joint in tool joint pin completes the passage that can form a perforation, and fluid circuit can communicate with fluid hose by this passage.During docking, public valve body one end is inserted the main-valve body, the end face of public valve body promotes sliding sleeve along mandrel axis displacement distance A, and spool promotes mandrel along mandrel axis displacement distance B, and B is less than A.That is to say, after public valve body passes into the main-valve body, spool has produced relative displacement (displacement amount A-B) with respect to public valve body (valve seat), has produced gap (A-B is suitable with displacement amount) between spool conical seal (contact) face and valve seat conical seal (contact) face thereby make; Certainly, silently also produced gap (A-B is suitable with displacement amount) between conical seal (contact) face and sliding sleeve conical seal (contact) face, also produced gap (B is suitable with displacement amount) between mandrel conical seal (contact) face and core retainer plate conical seal (contact) face, therefore, between spool and valve seat, silently with sliding sleeve between, between mandrel and core retainer plate all no longer sealing contact, fluid passage and runner have been linked to be the passage of a perforation.Can find out from this docking operation, the perforation of passage is along with the docking operation of tool joint pin and female joint is completed, and docks completely, and passage connects.
Be provided with limited step in the fluid passage, the limit dais terrace equals B with distance C between relative mandrel end; When spool promoted mandrel along mandrel axis displacement distance B, the limit dais terrace contacted with relative mandrel end.Due to the distance C=B between limit dais terrace and relative mandrel end, with after female joint is docked, mandrel contacts with the limit dais terrace, makes mandrel be in a stable position when tool joint pin.
Present technique can be described as a kind of ultra-high pressure quick coupling, and it has some features: 1. adopt the double-sealing mode, safe and reliable, internal structure is compact, and volume is light and handy, is easy to carry.2. female joint and tool joint pin are equipped with built-in shutoff valve, and during the partition joint, shutoff valve utilizes spring meeting autoshutdown to prevent liquid outflow, keeps the pressure in pipeline, and partition is simple, convenient operation.3. when two joints (tool joint pin and female joint) when being connected, without the fluid leaks phenomenon, sealability is high; Can 360 ° of rotations between two joints, and keep simultaneously tightness, connect safe and reliable.4. have interchangeability, can freely connect by a plurality of pipelines.Present technique is mainly used in high-pressure service pump, jack, fixture, hydraulic spanner, the products such as bolt tensioning jack.
Claims (3)
1. tool joint pin is characterized in that: comprise the public valve body with runner, an end of runner is used for being connected with fluid hose; Be provided with the valve seat that has the hole in runner, the spool that can move along the runner axis is arranged in runner, spool seals by conical seal (contact) face with valve seat and contacts; The conical seal (contact) face of valve seat is relative with runner one end that is connected with fluid hose; Be provided with elastic component between public valve body and spool, this elastic component makes spool contact with valve base sealing when normality.
2. tool joint pin as claimed in claim 1 is characterized in that: be provided with the seal ring that contacts for the valve seat conical seal (contact) face on spool.
3. tool joint pin as claimed in claim 1 is characterized in that: spool comprises with the corresponding guide pin bushing of runner inner wall, valve core head, is connected the connecting body of guide pin bushing and valve core head, and the external diameter of connecting body and valve core head is all less than the runner internal diameter; Have fluid through-hole in connecting body, an end of fluid through-hole communicates with the endoporus of guide pin bushing, and the other end of fluid through-hole is opened on the periphery of connecting body; Has the spool conical seal (contact) face on valve core head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411339 CN103162042A (en) | 2011-12-12 | 2011-12-12 | Male connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411339 CN103162042A (en) | 2011-12-12 | 2011-12-12 | Male connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103162042A true CN103162042A (en) | 2013-06-19 |
Family
ID=48585378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110411339 Pending CN103162042A (en) | 2011-12-12 | 2011-12-12 | Male connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103162042A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633348A (en) * | 2014-12-16 | 2015-05-20 | 中航光电科技股份有限公司 | Male joint of fast connector |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
| CN112610772A (en) * | 2020-12-16 | 2021-04-06 | 大庆石油管理局有限公司 | Quick connector |
-
2011
- 2011-12-12 CN CN 201110411339 patent/CN103162042A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633348A (en) * | 2014-12-16 | 2015-05-20 | 中航光电科技股份有限公司 | Male joint of fast connector |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
| CN112610772A (en) * | 2020-12-16 | 2021-04-06 | 大庆石油管理局有限公司 | Quick connector |
| CN112610772B (en) * | 2020-12-16 | 2022-08-02 | 大庆石油管理局有限公司 | Quick connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |