CN202691394U - Fast safety joint - Google Patents
Fast safety joint Download PDFInfo
- Publication number
- CN202691394U CN202691394U CN 201220299739 CN201220299739U CN202691394U CN 202691394 U CN202691394 U CN 202691394U CN 201220299739 CN201220299739 CN 201220299739 CN 201220299739 U CN201220299739 U CN 201220299739U CN 202691394 U CN202691394 U CN 202691394U
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- CN
- China
- Prior art keywords
- hole
- containing space
- sliding sleeve
- hollow
- airtight
- Prior art date
- 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.)
- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A fast safety joint comprises a hollow cylinder and an opening-closing control unit. The hollow cylinder comprises a channel and two long holes extending along a first direction and corresponding to each other. The opening-closing control unit comprises a ball body, an opening-closing sliding sleeve and a bolt. The ball body is arranged in the channel in rotatable mode and provided with a center-penetrating through hole communicated with the channel and an eccentric fixing hole with two ends corresponding to the long holes respectively. The opening-closing sliding sleeve is provided with a fixing sleeve body sleeved outside the hollow cylinder in sliding mode and a closed sleeve body fixed outside the fixing sleeve body in surrounding mode. The fixing sleeve is provided with a fixing hole corresponding to the eccentric fixing hole, and the closed sleeve body is used for closing the fixing hole. The bolt penetrates through the fixing hole, the long holes and the eccentric fixing hole, can move along the direction parallel to the first direction and drives the ball body to control the center-penetrating through hole to be communicated or not communicated with the channel in rotating mode.
Description
Technical field
The utility model relates to a kind of rapid pipe joint of connecting pipeline, particularly relates to a kind of fast safe joint.
Background technique
Pipeline is used in the place of many places transmitting fluid in the life, and the device of connecting tube is a kind of important technological means.And the progress along with the epoch, the means of connecting tube are also more progressive, wherein, rapid pipe joint is a kind of device that just can be communicated with or disconnect pipeline without instrument, its normally used means are to utilize the tool joint pin of steel ball clip pipe fitting, and the firm grafting relation when reaching the pipe fitting tool joint pin and inserting rapid pipe joint, and can be convenient and separate fast the pipe fitting tool joint pin, so just as it, can reach the advantage of quick-detachment and combination.
Further, existing a kind of fast safe joint, except the design of steel ball clip pipe fitting tool joint pin, also in fast safe joint, designed the mechanism of a control valve for fluids more, can be in the situation that fast safe joint not be separated with the pipe fitting tool joint pin, control the unlatching of fluid route in the fast safe joint or close by control valve for fluids.And the wherein a kind of mode in this technological means can apply to the action that latch comes lead agency, and buckles the outer side surface that a C shape detains to seal latch outside this device, breaks away to avoid latch.
Yet this kind technological means is easy to collude because of carelessness C shape button in the situation that the multi-pass operation control valve for fluids, allows C shape button break away from and can't Fixed latches, causes the damage of fast safe joint.So how to design a more firm and durable fast safe joint, it is the problem of a significant.
Summary of the invention
The purpose of this utility model is to provide a kind of more durable fast safe joint.The utility model fast safe joint comprises a hollow cylinder and a switch control unit; Wherein:
This hollow cylinder, comprise a surrounding wall towards first direction extension, passage, two elongated holes that extend this surrounding wall of perforation and mutual correspondence along this first direction that defined by this surrounding wall, and one is positioned at the front port that this surrounding wall front end is communicated with this passage;
This switch control unit comprises:
A spheroid is arranged in this passage rotationally, and have parallel this first direction and be communicated with this passage pass through heart through hole, and one passes through the eccentric fixed hole that corresponding these elongated holes are distinguished at the vertical also two ends of heart through hole with this;
A switching sliding sleeve, have one and be sheathed on slippingly the outer fixedly body of this surrounding wall, and one around being fixed in the external sealing body of this fixed cover, this fixedly body have one to fixed hole that should eccentric fixed hole, this sealing body reaches in order to seal this fixed hole
A latch, be extended through in this fixed hole, these elongated holes and this off-centre fixed hole, this latch can move between an enable possition and a closed position with respect to this hollow cylinder, in this enable possition, this switching sliding sleeve and this latch pass through heart through hole near this front port and this and are connected with this passage, in this closed position, this switching sliding sleeve and this latch pass through heart through hole away from this front port and this and are not connected with this passage, this latch is to be parallel to this first direction traveling priority between this enable possition and this closed position, and drives this spheroid rotation.
Preferably, this hollow cylinder comprises one in contrast to the rear port of this front port, this passage is a stepped hole, and certainly contiguous this front port place begins only sequentially have gradually large first containing space of internal diameter to this rear port, second containing space and the 3rd containing space, this spheroid is positioned at the 3rd containing space, this fast safe joint also comprises part group and pipe joint in the cylinder that is arranged in this passage, this interior part group comprises that a rear hollow that is positioned at contiguous this rear port place of the 3rd containing space and connects airtight this spheroid one side connects airtight part, the front hollow that part is positioned at the 3rd containing space and connects airtight this spheroid opposite side is connected airtight part, a part convexedly stretches in the guide pin bushing of this first containing space, and one be positioned at this second containing space and be folded in this front hollow and connect airtight the second elastic element between part and this guide pin bushing, this pipe joint is fixed in this surrounding wall by this rear port and contact should rear hollow be connected airtight part, should front hollow connect airtight the front through hole that part has parallel this first direction, should rear hollow connect airtight the rear through hole that part has parallel this first direction, this guide pin bushing has the trepanning of parallel this first direction, and in this enable possition, this front port, this first containing space, this trepanning, this second containing space, through hole before being somebody's turn to do, this passes through heart through hole, through hole and this rear port are connected with each other logical after being somebody's turn to do, in this closed position, this passes through heart through hole not with this front through hole and should be connected by rear through hole.
Preferably, this hollow cylinder comprises that also one is positioned at the outer ring body that this second containing space and the 3rd containing space jointing place outwards protrude out from this surrounding wall, a cambered surface annular slot that is positioned at this outer ring body, and several first upright holes that are communicated with this first containing space and connect this surrounding wall, fixedly body has one around the first jacket wall of this spheroid and this fixed hole of tool, one is connected in outer the second jacket wall that also extends across this annular slot forward of this first jacket wall, reach one and be connected in outer the 3rd jacket wall that extends of this second jacket wall forward, this fast safe joint also comprises a plug control unit, this plug control unit comprises that is sheathed on this outer ring body to this front port and the plug sliding sleeve of this first jacket wall of end contact slippingly, this plug sliding sleeve has the sliding sleeve body that a part is positioned at this second jacket wall and the 3rd jacket wall, two connect the second upright hole that this sliding sleeve body is communicated with this annular slot, and inner ring body that protrudes out and seal these the first upright Kong Yiduan from the sliding sleeve body inwardly, this second jacket wall seals these the second upright holes, and have one between the 3rd jacket wall and this sliding sleeve body and withdraw from the space, this plug control unit comprises that also several are placed in respectively first ball in these the first upright holes, two the second balls that are placed in respectively these the second upright holes and this annular slot, and first elastic element that is folded between this inner ring body and this outer ring body.
Preferably, should before hollow connect airtight part also have one around in abutting connection with should before the internal surface of through hole, and inner groove that is positioned at this second containing space and is caved in outwardly by this internal surface, this interior part group also comprise one be folded in this pipe joint and should after hollow connect airtight rear seal ring between part, and one is placed in this front hollow and connects airtight front seal ring in this inner groove of part.
The beneficial effects of the utility model are: utilize to be fixed in fixedly that the sealing body of body seals fixed hole, latch can not broken away from from eccentric fixed hole, elongated hole and fixed hole, and because the sealing body is to be fixed in fixedly on the body, so can reach more durable effect.
Description of drawings
Fig. 1 is the side view of the fast safe joint of a preferred embodiment of the utility model;
Fig. 2 is the sectional exploded view of this preferred embodiment;
Fig. 3 is the sectional drawing of this preferred embodiment;
Fig. 4 is the side view of a hollow cylinder of this preferred embodiment;
Fig. 5 is the front elevation of this hollow cylinder;
Fig. 6 is the sectional drawing of getting along VI-VI straight line among Fig. 5;
Fig. 7 is the front elevation of a spheroid of this preferred embodiment;
Fig. 8 is the sectional view of getting along VIII-VIII straight line among Fig. 7;
Fig. 9 is a sectional view, shows that this preferred embodiment is positioned at a closed position;
Figure 10 is a sectional view, shows a plug control unit of this preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Before embodiment of the present utility model is described, be noted that the direction term that the utility model is mentioned, such as " on ", D score, 'fornt', 'back' etc., only be the direction shown in reference to the accompanying drawings.Therefore, the direction term of use is explanation, but not is used for limiting the utility model.
Consult Fig. 1, Fig. 2 and Fig. 3, the preferred embodiment of the fast safe joint of the utility model shown in the figure, this preferred embodiment comprise a hollow cylinder 1, a switch control unit 2, an interior part group 3 of cylinder, a plug control unit 4, a pipe joint 5 and a front ring body 6.
Consult Fig. 4, Fig. 5 and Fig. 6, hollow cylinder 1 comprises a surrounding wall 11 that extends towards a first direction A, a passage 12 that is defined by surrounding wall 11, two elongated holes 114 that extend perforation surrounding wall 11 and mutual correspondence along first direction A, a front port 13 that is positioned at surrounding wall 11 front end communicating passage 12, an outer ring body 112 that is positioned at front port 13 and 114 of elongated holes and outwards protrudes out from surrounding wall 11, a cambered surface annular slot 111 that is positioned at outer ring body 112, the first upright hole 113 that several are positioned at front port 13 and 112 of outer ring bodies and connect this surrounding wall 11, and the rear port 14 in contrast to front port 13.
This passage 12 is a stepped hole, and certainly contiguous front port 13 places begin only sequentially have gradually large first containing space 121, second containing space 122 and the 3rd containing space 123 of internal diameter to rear port 14.More specifically, outer ring body 112 correspondences are positioned at the second containing space 122 and the 3rd containing space 123 jointing places, and the first upright hole 113 is communicated with the first containing space 121.
Consult Fig. 2, Fig. 3, Fig. 7 and Fig. 8, switch control unit 2 comprises a spheroid 23, a switching sliding sleeve 21 and a latch 22.Spheroid 23 is arranged in the 3rd containing space 123 rotationally, and have parallel this first direction A and a communicating passage 12 pass through heart through hole 231, and one with the eccentric fixed holes 232 that pass through heart through hole 231 vertical also two ends and distinguish corresponding elongated holes 114 (seeing Fig. 8).
Switching sliding sleeve 21 has one and is sheathed on slippingly surrounding wall 11 fixedly body 212 outward, reaches one around being fixed in fixedly body 212 sealing body 211 outward.Fixedly body 212 has first jacket wall 213 around this spheroid 23, second jacket walls 214 that are connected in outside this first jacket wall 213 and extend across this annular slot 111 forward, reach one and be connected in this second jacket wall, 214 outer the 3rd jacket walls 215 that extend forward, the first jacket wall 213 has two respectively to fixed hole 216 that should eccentric fixed hole 232 two ends, and this sealing body 211 is in order to seal fixed hole 216.More particularly, sealing body 211 is to be fixed in outside the first jacket wall 213, and with the internal and external threads bolt.The number that is noted that this fixed hole 216 also can be one, not as limit.
Rear hollow is connected airtight part 31 and is positioned at the 3rd containing space 123 contiguous rear port 14 places and connects airtight spheroid 23 1 sides, and has the rear through hole 311 of parallel this first direction A.Front hollow is connected airtight part 32 parts and is positioned at the 3rd containing space 123 and connects airtight spheroid 23 opposite sides, and front through hole 321, one with a parallel first direction A are around the internal surface 322 in abutting connection with front through hole 321, and inner groove 323 that is positioned at the second containing space 122 and is caved in outwardly by internal surface 322, should before hollow connect airtight part 32 with should after hollow connect airtight moving forward and backward of part 31 common restriction spheroids 23 but do not limit its rotation, and front hollow is connected airtight part 32 and rear hollow, and to connect airtight part 31 all be quality of rubber materials with the part that spheroid 23 connects airtight, and remaining part then is all metal material.Guide pin bushing 36 parts convexedly stretch in the first containing space 121 and block the interior side opening in the first upright hole 113, and have the trepanning 361 of a parallel first direction A.The second elastic element 33 is positioned at the second containing space 122 and is folded in front hollow and connects airtight 36 of part 32 and guide pin bushings.Hollow was connected airtight part 31 after pipe joint 5 was fixed in surrounding wall 11 interior also contacts by rear port 14.Rear seal ring 34 is folded in pipe joint 5 and rear hollow is connected airtight 31 of parts.Front seal ring 35 is placed in front hollow and connects airtight in the inner groove 323 of part 32.
Consult Fig. 3, Fig. 9 and Figure 10, next say usage mode and the action of this preferred embodiment.The pipe joint 5 of this preferred embodiment is for a body access interlocking, and front port 13 inserts for a tool joint pin.Action and the operation of switch control unit 2 at first are described.Switching sliding sleeve 21 and latch 22 can be mobile between an enable possition (as shown in Figure 3) and a closed position (as shown in Figure 9) with respect to hollow cylinder 1.In the enable possition, switching sliding sleeve 21 and latch 22 be near front ports 13, and front port 13, the first containing space 121, trepanning 361, the second containing space 122, front through hole 321, pass through heart through hole 231, rear through hole 311 and rear port 14 and be connected with each other logical.In closed position, switching sliding sleeve 21 and latch 22 are away from front port 13 (seeing Fig. 6), and passing through heart through hole 231 is not connected with front through hole 321 and rear through hole 311, namely sealed the fluid course in the passage 12, made the fluid that enters from rear port 14 arrive front port 13 by passing through heart through hole 231.
During fluid course in wanting closed channel 12, as long as will be positioned at the switching sliding sleeve 21 of enable possition pulls back, it is mobile backward in elongated hole 114 that switching sliding sleeve 21 can drive latch 22, and then latch 22 drives spheroid 23 rotations, make and pass through heart through hole 231 and be not connected with front through hole 321 and rear through hole 311, that is to say, allow switch sliding sleeve 21 and latch 22 be positioned at closed position.During fluid course in wanting open channel 12, as long as will be positioned at the switching sliding sleeve 21 of closed position pushes away forward, switching sliding sleeve 21 can drive latch 22 and move forward in elongated hole 114, and then latch 22 drives spheroid 23 rotations, make and pass through heart through hole 231 and be connected with front through hole 321 and rear through hole 311, that is to say, allow switch sliding sleeve 21 and latch 22 be positioned at the enable possition.
Next action and the operation of plug control unit 4 are described.When switching sliding sleeve 21 is positioned at the enable possition, because the second ball 43 is subject to the block of the second jacket wall 214, so the second ball 43 can partly be placed in the annular slot 111, in the time plug sliding sleeve 41 will being pulled back, can stop plug sliding sleeve 41 mobile backward because the second ball 43 parts are placed in the annular slot 111.Because this design, if because of carelessness plug sliding sleeve 41 is pulled back, switching sliding sleeve 21 can't be subject to the pushing and pressing of plug sliding sleeve 41 and move backward together.And can allow simultaneously the tool joint pin of inserting in the hollow cylinder 1 be subject to the first ball 42 clips, and when can the fluid course passage 12 in not opening, tool joint pin is pulled up because of carelessness.
In the time the tool joint pin in the insertion hollow cylinder 1 will being taken off, at first to first switching sliding sleeve 21 be pulled back and move, make it in the closed position, at this moment, the 3rd jacket wall 215 can be positioned at the outside of the second ball 43, withdraws from space 217 and allow the second ball 43 be entered.Then plug sliding sleeve 41 is pulled back, the second ball 43 can move and move toward withdrawing from space 217 simultaneously along person's cambered surface annular slot 111 is interior, and then the second ball 43 can not stop that plug sliding sleeve 41 moves backward again.And when the application of force is held plug sliding sleeve 41 backward, inner ring body 413 is mobile first ball 42 that no longer blocks backward, so that the first ball 42 has the space of more multidirectional outer movement, and can not protrude from the first containing space 121 fully, thereby can take off tool joint pin and no longer be subjected to the first ball 42 clips, and in the situation that do not force in plug sliding sleeve 41, can reset because of the pushing and pressing of the first elastic element 44.
In sum; be at the present embodiment under the situation of enable possition; the second ball 43 is subject to mobile space; stoped switching sliding sleeve 21 mobile backward; and then tool joint pin can not be broken away from from the present embodiment; so in the situation that hollow cylinder 1 fluid passageway is communicated with, can't pulls up tool joint pin and guarantee not have fluid directly ejection is outside from the front port 13 of hollow cylinder 1, protect user's safety.And the utility model fast safe joint, utilization is fixed in fixedly, and the sealing body 211 of body 212 seals fixed hole 216, latch 22 can not broken away from from eccentric fixed hole 232, elongated hole 114 and fixed hole 216, and because sealing body 211 is to be fixed in fixedly on the body 212, so can reach more durable effect, therefore really can reach the purpose of the utility model.
But above-described only is the preferred embodiment of the utility model, when not limiting the scope that the utility model is implemented with this, be that every simple equivalence of doing according to the utility model claim and model utility content changes and modifies, all still belong in the scope that the utility model patent contains.
Claims (4)
1. a fast safe joint comprises a hollow cylinder and a switch control unit; It is characterized in that:
This hollow cylinder, comprise a surrounding wall towards first direction extension, passage, two elongated holes that extend this surrounding wall of perforation and mutual correspondence along this first direction that defined by this surrounding wall, and one is positioned at the front port that this surrounding wall front end is communicated with this passage;
This switch control unit comprises:
A spheroid is arranged in this passage rotationally, and have parallel this first direction and be communicated with this passage pass through heart through hole, and one passes through the eccentric fixed hole that corresponding these elongated holes are distinguished at the vertical also two ends of heart through hole with this;
A switching sliding sleeve, have one and be sheathed on slippingly the outer fixedly body of this surrounding wall, and one around being fixed in the external sealing body of this fixed cover, this fixedly body have one to fixed hole that should eccentric fixed hole, this sealing body reaches in order to seal this fixed hole
A latch, be extended through in this fixed hole, these elongated holes and this off-centre fixed hole, this latch can move between an enable possition and a closed position with respect to this hollow cylinder, in this enable possition, this switching sliding sleeve and this latch pass through heart through hole near this front port and this and are connected with this passage, in this closed position, this switching sliding sleeve and this latch pass through heart through hole away from this front port and this and are not connected with this passage, this latch is to be parallel to this first direction traveling priority between this enable possition and this closed position, and drives this spheroid rotation
2. fast safe joint as claimed in claim 1, it is characterized in that: this hollow cylinder also comprises one in contrast to the rear port of this front port, this passage is a stepped hole, and certainly contiguous this front port place begins only sequentially have gradually large first containing space of internal diameter to this rear port, second containing space and the 3rd containing space, this spheroid is positioned at the 3rd containing space, this fast safe joint also comprises part group and pipe joint in the cylinder that is arranged in this passage, this interior part group comprises that a rear hollow that is positioned at contiguous this rear port place of the 3rd containing space and connects airtight this spheroid one side connects airtight part, the front hollow that part is positioned at the 3rd containing space and connects airtight this spheroid opposite side is connected airtight part, a part convexedly stretches in the guide pin bushing of this first containing space, and one be positioned at this second containing space and be folded in this front hollow and connect airtight the second elastic element between part and this guide pin bushing, this pipe joint is fixed in this surrounding wall by this rear port and contact should rear hollow be connected airtight part, should front hollow connect airtight the front through hole that part has parallel this first direction, should rear hollow connect airtight the rear through hole that part has parallel this first direction, this guide pin bushing has the trepanning of parallel this first direction, and in this enable possition, this front port, this first containing space, this trepanning, this second containing space, through hole before being somebody's turn to do, this passes through heart through hole, through hole and this rear port are connected with each other logical after being somebody's turn to do, in this closed position, this passes through heart through hole not with this front through hole and should be connected by rear through hole.
3. fast safe joint as claimed in claim 2, it is characterized in that: this hollow cylinder comprises that also one is positioned at the outer ring body that this second containing space and the 3rd containing space jointing place outwards protrude out from this surrounding wall, a cambered surface annular slot that is positioned at this outer ring body, and several first upright holes that are communicated with this first containing space and connect this surrounding wall, fixedly body has one around the first jacket wall of this spheroid and this fixed hole of tool, one is connected in outer the second jacket wall that also extends across this annular slot forward of this first jacket wall, reach one and be connected in outer the 3rd jacket wall that extends of this second jacket wall forward, this fast safe joint also comprises a plug control unit, this plug control unit comprises that is sheathed on this outer ring body to this front port and the plug sliding sleeve of this first jacket wall of end contact slippingly, this plug sliding sleeve has the sliding sleeve body that a part is positioned at this second jacket wall and the 3rd jacket wall, two connect the second upright hole that this sliding sleeve body is communicated with this annular slot, and inner ring body that protrudes out and seal these the first upright Kong Yiduan from the sliding sleeve body inwardly, this second jacket wall seals these the second upright holes, and have one between the 3rd jacket wall and this sliding sleeve body and withdraw from the space, this plug control unit comprises that also several are placed in respectively first ball in these the first upright holes, two the second balls that are placed in respectively these the second upright holes and this annular slot, and first elastic element that is folded between this inner ring body and this outer ring body.
4. fast safe joint as claimed in claim 3, it is characterized in that: this front hollow is connected airtight part and is also had an internal surface that is somebody's turn to do front through hole around adjacency, and inner groove that is positioned at this second containing space and is caved in outwardly by this internal surface, this interior part group also comprise one be folded in this pipe joint and should after hollow connect airtight rear seal ring between part, and one is placed in this front hollow and connects airtight front seal ring in this inner groove of part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299739 CN202691394U (en) | 2012-06-25 | 2012-06-25 | Fast safety joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299739 CN202691394U (en) | 2012-06-25 | 2012-06-25 | Fast safety joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202691394U true CN202691394U (en) | 2013-01-23 |
Family
ID=47547016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220299739 Expired - Fee Related CN202691394U (en) | 2012-06-25 | 2012-06-25 | Fast safety joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202691394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917296A (en) * | 2016-10-06 | 2018-04-17 | 史陶比尔法万举 | Quick connector |
| CN108317266A (en) * | 2018-01-29 | 2018-07-24 | 许昌义 | The pipe fitting that break-make synchronizes |
-
2012
- 2012-06-25 CN CN 201220299739 patent/CN202691394U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917296A (en) * | 2016-10-06 | 2018-04-17 | 史陶比尔法万举 | Quick connector |
| CN108317266A (en) * | 2018-01-29 | 2018-07-24 | 许昌义 | The pipe fitting that break-make synchronizes |
| CN108317266B (en) * | 2018-01-29 | 2020-06-09 | 侯璇璇 | Pipe joint with synchronous on-off |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |