CN102410419A - Plunger pneumatic quick-change coupler - Google Patents
Plunger pneumatic quick-change coupler Download PDFInfo
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- CN102410419A CN102410419A CN2011102166243A CN201110216624A CN102410419A CN 102410419 A CN102410419 A CN 102410419A CN 2011102166243 A CN2011102166243 A CN 2011102166243A CN 201110216624 A CN201110216624 A CN 201110216624A CN 102410419 A CN102410419 A CN 102410419A
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- air inlet
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- sliding sleeve
- steel ball
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Abstract
The invention discloses a plunger pneumatic quick-change coupler. The plunger pneumatic quick-change coupler comprises an air inlet connecting sleeve, a sliding sleeve spring, an air inlet sealing ring, a valve core, a locking steel ball, a mobile sliding sleeve, a sliding sleeve limit component, an air outlet sealing ring and a valve core spring, wherein a pressure release groove is axially formed on an inner hole wall of a matching section of the air inlet connecting sleeve; a locking steel ball hole is formed on the excircle of the right end of the matching section; the locking steel ball is arranged in the locking steel ball hole; the relative axial slide limit among the air inlet connecting sleeve, the valve core and the mobile sliding sleeve is controlled by the locking steel ball; and before an air entraining plug (Plug) is inserted, the locking steel ball is positioned in a locking cavity. A smooth grinding undercut is formed on a matching excircle of the valve core, so shear-free contact between the matching excircle and the air inlet sealing ring in the opening and closing process of the valve core can be ensured, the valve core can be ensured to be closed and opened without difficulty, and the service life of the plunger pneumatic quick-change coupler is long. Compared with like products, the plunger pneumatic quick-change coupler has a simple structure and smaller radial size, and the air entraining plug (Plug) is easy to insert and cannot fall off accidentally, so the plunger pneumatic quick-change coupler is safe and reliable.
Description
Technical field:
The present invention relates to a kind of pneumatic quick release coupling, be widely used in plugging into fast of gas transmission pipeline.
Background technique:
The indispensable connected element that pneumatic quick release coupling connects as gas piping fast; Be widely used in each field; Like industries such as motor vehicle repair, machine assembling, engineering construction, machining, packings, all use compressed-air actuated industry all to need using gases rapid pipe joint.Disclose in Chinese patent CN101907210A (patent No. is ZL201010234636.4) that " a kind of Pneumatic quick connector; it comprises negative joint that joins with suction tude and the male connector that joins with steam outlet pipe, is installed with lock sleeve in the outlet side of negative joint is equipped with the non-return valve core of band exhaust passage; the inlet end of male connector stretches into the endoporus of lock sleeve in the endoporus of negative joint and lock sleeve; and communicate with the exhaust passage of non-return valve core, between the inwall of lock sleeve and negative joint, has clamped guide sleeve, and the non-return valve core activity is interspersed in the endoporus of guide sleeve; between the rear end of guide sleeve and non-return valve core afterbody sidewall bulge loop, be supported with valve core spring; the head sealing of non-return valve core and be conical, and relative with the airintake direction of negative joint, the place offers seal groove at non-return valve core head cylindrical; Be embedded with the O RunddichtringO in it; The front end side wall of said non-return valve core offers the inlet hole that communicates with the non-return valve core exhaust passage, and this non-return valve core moves forward to inlet hole and communicates with the negative joint endoporus, after move to the endoporus that the O RunddichtringO slips into guide sleeve ".The pneumatic quick release coupling of this structure is made up of negative joint, exterior seal ring, non-return valve core, inner seal ring, steel ball, male connector, guide sleeve, y-type seal ring, valve core spring, outer casing spring, overcoat and lock sleeve, and part is many; Complex structure, the seal groove processing difficulties on guide sleeve, the male connector, three seals assembling difficulty; Though sealing part is many, there is not sealing configuration between negative joint endoporus and the guide sleeve cylindrical, the O seal ring that the spool front end is equipped with is easy to shear damaged in the move left and right process; Thereby cause integral sealing effect undesirable; Working life is not long, and radial dimension is bigger simultaneously, is difficult to satisfy the requirement of user to the pneumatic quick release coupling of small volume; Dismounting between negative joint and the lock sleeve realizes through outer-hexagonal; The further like this radial dimension that increases these parts makes this component geometry size can't dwindle high material consumption.
Summary of the invention:
In order to overcome the above-mentioned deficiency that existing pneumatic quick release coupling exists, the invention provides the pneumatic quick release coupling of a kind of plunger type, it is simple in structure, sealing part is few, long service life, and volume is littler.
The technological scheme that the present invention adopts is following:
The pneumatic quick release coupling of a kind of plunger type; It is characterized in that: comprise that air inlet connects cover, sliding sleeve spring, air inlet seal ring, spool, locking steel ball, moving sliding sleeve, sliding sleeve bounding means, give vent to anger seal ring and valve core spring; Connecing cover in air inlet cooperates the inner hole wall upper edge of section to be axially arranged with gas pressure relief slot; Connect on the cylindrical that cover cooperates the section right-hand member in air inlet and to be provided with the locking steel ball hole; In air inlet connects the endoporus of cover, be provided with the valve core spring left side shaft shoulder and air inlet seal groove, the linkage section that connects cover in air inlet is provided with the left shaft shoulder of spring with the boundary that cooperates section; Said spool comprises seal header joints, cooperates cylindrical, grinding undercut, air outlet hole, air vent, the seal groove of giving vent to anger, stopping step and raceway cylindrical; Grinding undercut is arranged on the cooperation cylindrical of spool; In grinding undercut, be provided with air outlet hole; Air outlet hole and air vent interlink, and are provided with stopping step and raceway cylindrical at the right-hand member that cooperates cylindrical, and the seal groove of giving vent to anger is arranged in the spool endoporus; In the moving sliding sleeve endoporus, from left to right be provided with the shaft shoulder and locking cavity volume in spring cavity volume, the interior shaft shoulder, mating cavity, the stopping successively; The air inlet seal ring is contained in air inlet and connects in the air inlet seal groove of cover; Valve core housing is contained in air inlet and connects in the spool slip hole of cover; Matching relationship between the spool slip hole that the cooperation cylindrical of spool and air inlet connect cover is a Spielpassung; The seal ring of giving vent to anger is installed in the seal groove of giving vent to anger of spool, the inner ring of the seal ring of giving vent to anger and airtight cooperation of bleed plug Plug; Valve core spring connects in air inlet between the seal header joints of the valve core spring left side shaft shoulder and spool of cover; The locking steel ball is placed in the locking steel ball hole, and the base diameter of locking steel ball hole is less than the diameter of locking steel ball, and before bleed plug Plug inserted, the locking steel ball was arranged in the locking cavity volume of moving sliding sleeve; The sliding sleeve spring housing is contained in air inlet and connects on the cooperation section cylindrical of cover, and connects the spring left side shaft shoulder of cover and the interior shaft shoulder axial limiting of moving sliding sleeve by air inlet; The sliding sleeve bounding means is fixedly mounted on the right-hand member that air inlet connects cover.
Further, said sliding sleeve bounding means is a shaft block ring.
Further; Said sliding sleeve bounding means is the step axle sleeve that has the shaft shoulder, and step axle sleeve inner hole sleeve is contained in air inlet and connects on the right-hand member cylindrical of cover, between the two for being fixedly connected; Right-hand member at the step axle sleeve is provided with the protection step, and the external diameter of protection step is corresponding with the maximum outside diameter of moving sliding sleeve right-hand member.
Further, be provided with the spring shaft core in seal header joints between the cylindrical with cooperating, the left end of valve core spring is spacing by the valve core spring left side shaft shoulder, and the right-hand member of valve core spring is sleeved on the spring shaft core, and spacing by the spring shaft shoulder.
Further, the axial cross section of said grinding undercut is shaped as circular arc, and grinding undercut all passes through arc transition with cooperating of its both sides between the cylindrical.
Further, the axial cross section of said grinding undercut is shaped as isosceles trapezoid, and the base angle of isosceles trapezoid is 15 °～30 °, and the waist of isosceles trapezoid all passes through arc transition with cooperating between the cylindrical.
Further, connect on the inner hole wall that cover cooperates section in air inlet and be provided with 2～6 gas pressure relief slots vertically equably.
Further, connect the cylindrical right-hand member upper edge of overlapping the cooperation section in air inlet and circumferentially be provided with 3～6 locking steel ball holes equably.
Further; Size requirement is between the diameter of the diameter of the diameter of locking steel ball, locking cavity volume, the diameter that cooperates cylindrical and raceway cylindrical: the diameter of said locking cavity volume is greater than diameter and two times of locking steel ball size sums of raceway cylindrical, and the diameter of locking cavity volume is less than the diameter that cooperates cylindrical and two times of locking steel ball size sums.
The pneumatic quick release coupling of this plunger type has only air inlet to connect cover, spool, three body element of moving sliding sleeve, respectively establishes sealing at the cylindrical of spool with endoporus, owing on the cooperation cylindrical of spool, be provided with grinding undercut; The left end head design becomes sealing configuration, cooperates cylindrical and air inlet to connect the accurate Spielpassung of spool slip hole of cover, and spool is in opening the process of source of the gas; Spool cooperates cylindrical from left to right to contact with the air inlet seal ring successively, and when the air inlet seal ring was crossed the grinding undercut that cooperates on the cylindrical, pressed gas passed the slit between the little circular arc of air inlet seal ring and grinding undercut left side; Run out of from gas pressure relief slot through grinding undercut, realize pressure release, reduced the resistance that spool is moved to the left; Be convenient to the light insertion location of bleed plug; After the bleed plug inserts the location, the air inlet seal ring with the right-hand member interference fit that cooperates cylindrical of spool, the pressed gas of the source of the gas directly air outlet hole from the spool grinding undercut gets in the air vent; Interlink with the bleed plug, prevent that pressed gas from leaking.The setting of locking steel ball has not only solved the insertion location of bleed plug, and defines spool and move right, and spool and air inlet is connect realized the plunger type sealing structure between the cover.Size requirement is between the diameter of the diameter of the diameter of the diameter of locking steel ball, locking cavity volume, the cooperation cylindrical of spool and the raceway cylindrical of spool right-hand member: the diameter of said locking cavity volume is greater than diameter and two times of locking steel ball size sums of raceway cylindrical, and the diameter of locking cavity volume is less than the diameter that cooperates cylindrical and two times of locking steel ball size sums.The locking steel ball can play the lock function to the bleed plug, can play limiting the effect that spool moves right again, makes the structure of product simpler, and volume is littler.This plunger type sealing structure, spool are in the opening and closing process, and the air inlet seal ring is when crossing grinding undercut; Realized between air inlet seal ring and the grinding undercut dual-side not having shearing and slided, it is minimum that air inlet seal ring and spool are damaged in the opening and closing process of move left and right, guaranteed that the air inlet seal ring cooperates the interference sealing of cylindrical with spool; Big gap ventilation with grinding undercut; Guarantee that spool can close to such an extent that live, and easily opens long service life.The setting of sliding sleeve bounding means is the moving sliding sleeve axial limiting spare of slippage to the right.The sliding sleeve bounding means is designed to have the step axle sleeve of the shaft shoulder; Step axle sleeve inner hole sleeve is contained in air inlet and connects on the right-hand member cylindrical of cover; Between the two for being fixedly connected, be provided with the protection step at the right-hand member of step axle sleeve, the external diameter of protection step is corresponding with the maximum outside diameter of moving sliding sleeve right-hand member.The effect of step axle sleeve can be carried out axial limiting to moving sliding sleeve, can prevent that again the operator directly touches moving sliding sleeve in the working procedure, and moving sliding sleeve is moved to left, and causes bleed plug accidental.
Compare with existing like product, simple in structure, radial dimension is littler, and for example the radial dimension of existing 1/4 inch quick release coupling is 25～28 millimeters, and the present invention has only 21 millimeters, and weight is merely 1/2～2/3 of existing product, and be enhanced about more than once working life.Bleed plug Plug inserts easily, and is safe and reliable, can accident not come off.
Description of drawings:
Fig. 1 is the structural representation of embodiment of the present invention one;
Fig. 2, Fig. 3 connect the structural representation of cover for air inlet among Fig. 1;
Fig. 3 is the right elevation of Fig. 2;
Fig. 4 is the structural representation of spool among Fig. 1;
Fig. 5 is the structural representation of moving sliding sleeve among Fig. 1;
Fig. 6 is the structural representation of embodiment of the present invention two;
Among the figure, the 1-air inlet connects cover; 2-sliding sleeve spring; 3-air inlet seal ring; The 4-spool; 5-locks steel ball; The 6-moving sliding sleeve; 7-sliding sleeve bounding means; The 8-seal ring of giving vent to anger; The 9-valve core spring; 10-connects internal thread; The 11-gas pressure relief slot; 12-locks steel ball hole; The axial circlip groove of 13-; The 14-air flue; 15-air inlet seal groove; The 16-spring left side shaft shoulder; 17-spool slip hole; The 18-valve core spring left side shaft shoulder; The 40-seal header joints; 41-cooperates cylindrical; The 42-grinding undercut; The 43-air outlet hole; The 44-air vent; The 45-spring shaft shoulder; The 46-seal groove of giving vent to anger; 47-stopping step; 48-raceway cylindrical; 49-spring shaft core; 61-spring cavity volume; The shaft shoulder in the 62-; The 63-mating cavity; The shaft shoulder in the 64-stopping; 65-locks cavity volume; Plug-bleed plug.
Embodiment:
Illustrate embodiment of the present invention below in conjunction with accompanying drawing:
Embodiment 1: the pneumatic quick release coupling of a kind of plunger type; As shown in Figure 1; It comprises that air inlet connects cover 1, sliding sleeve spring 2, air inlet seal ring 3, spool 4, locking steel ball 5, moving sliding sleeve 6, sliding sleeve bounding means 7, give vent to anger seal ring 8 and valve core spring 9, and said sliding sleeve bounding means 7 is a shaft block ring; Said air inlet connects cover 1 for sleeve structure, and like Fig. 2, shown in Figure 3, its left side section is a linkage section; Right section is for cooperating section; The cooperation section inner hole wall upper edge that connects cover 1 in air inlet circumferentially is provided with four gas pressure relief slots 11 equably, and the effect of gas pressure relief slot 11 is when bleed plug Plug inserts, to produce the pressure release effect, is more conducive to the light insertion of bleed plug Plug; The upper edge that connects the cooperation section right-hand member cylindrical of cover 1 in air inlet circumferentially is provided with four locking steel ball holes 12 equably; Locking steel ball 5 is placed in the locking steel ball hole 12, and the base diameter of locking steel ball hole 12 is provided with axial circlip groove 13 less than locking steel ball 5 diameters on the right side cylindrical of locking steel ball hole 12; Be used to install shaft block ring; Connect in the endoporus of cover 1 in air inlet, from left to right be provided with suction tude successively and connect internal thread 10, the valve core spring left side shaft shoulder 18, air flue 14, air inlet seal groove 15, spool slip hole 17, be provided with the spring left side shaft shoulder 16 at linkage section and cooperation section boundary; Said spool 4 is the step axle sleeve structure; As shown in Figure 4; Comprise seal header joints 40, cooperate cylindrical 41, grinding undercut 42, air outlet hole 43, air vent 44, the spring shaft shoulder 45, the seal groove 46 of giving vent to anger, stopping step 47, raceway cylindrical 48 and spring shaft core 49; Grinding undercut 42 is arranged on the cooperation cylindrical 41 of spool 4, in grinding undercut 42, is provided with air outlet hole 43, and air outlet hole 43 interlinks with air vent 44; Be provided with stopping step 47 and raceway cylindrical 48 at the right-hand member that cooperates cylindrical 41, the seal groove 46 of giving vent to anger is arranged in spool 4 endoporus; Said moving sliding sleeve 6 is as shown in Figure 5, in the endoporus of moving sliding sleeve 6, from left to right is provided with the shaft shoulder 64 and locking cavity volume 65 in spring cavity volume 61, the interior shaft shoulder 62, mating cavity 63, the stopping successively; Air inlet seal ring 3 is contained in air inlet and connects in the air inlet seal groove 15 of cover 1; Spool 4 is sleeved on air inlet and connects in the spool slip hole 17 of cover 1; The matching relationship that the cooperation cylindrical 41 of spool 4 and air inlet connect between cover 1 the spool slip hole 17 is a Spielpassung; The seal ring 8 of giving vent to anger is installed in the seal groove 46 of giving vent to anger of spool 4, the inner ring of the seal ring 8 of giving vent to anger and airtight cooperation of bleed plug Plug (being interference fit); Valve core spring 9 connects between the spring shaft shoulder 45 of cover 1 the valve core spring left side shaft shoulder 18 and spool 4 in air inlet, and the right-hand member of valve core spring 9 is sleeved on the spring shaft core 49 of spool 4; Locking steel ball 5 is placed in the locking steel ball hole 12, and the base diameter of locking steel ball hole 12 is less than locking steel ball 5 diameters, and before bleed plug Plug inserted, locking steel ball 5 was arranged in the locking cavity volume 65 of moving sliding sleeve 6; Sliding sleeve spring 2 is sleeved on air inlet and connects on the cooperation section cylindrical of cover 1, and connects the spring left side shaft shoulder 16 of cover 1 and the interior shaft shoulder 62 axial limitings of moving sliding sleeve 6 by air inlet; Shaft block ring is installed in the axial circlip groove 13, and after bleed plug Plug inserted quick release coupling, when moving sliding sleeve 6 moved right shaft block ring, the shaft shoulder 64 was provided with annular knurl by the shaft block ring axial limiting in the stopping of moving sliding sleeve 6 on the cylindrical of moving sliding sleeve 6; Size requirement is between cooperation cylindrical 41 diameters of locking steel ball 5 diameters, locking cavity volume 65 diameters, spool 4 and right-hand member raceway cylindrical 48 diameters of spool 4: the diameter of said locking cavity volume 65 is greater than diameter and two times of locking steel ball 5 diameter sums of raceway cylindrical 48, and the diameter of locking cavity volume 65 is less than diameter and two times of locking steel ball 5 diameter sums of cooperating cylindrical 41.
Embodiment 2: the pneumatic quick release coupling of a kind of plunger type, and as shown in Figure 6, its structure is similar with embodiment 1; Difference is: be arranged on moving sliding sleeve 6 and air inlet connect the cover 1 between sliding sleeve bounding means 7 change the step axle sleeve that has the shaft shoulder into by shaft block ring; In this example, the endoporus of step axle sleeve cooperates with the right-hand member cylindrical that air inlet connects cover 1, is fixedly connected between the two; Right-hand member at the step axle sleeve is provided with the protection step, and the external diameter of protection step is identical with the maximum outside diameter of moving sliding sleeve 6 right-hand members.The effect of step axle sleeve can be carried out axial limiting to moving sliding sleeve 6, can prevent that again the operator directly touches moving sliding sleeve 6 in the working procedure, and moving sliding sleeve 6 is moved to left, and causes bleed plug accidental.
Claims (9)
1. pneumatic quick release coupling of plunger type; It is characterized in that: comprise that air inlet connects cover (1), sliding sleeve spring (2), air inlet seal ring (3), spool (4), locking steel ball (5), moving sliding sleeve (6), sliding sleeve bounding means (7), the seal ring of giving vent to anger (8) and valve core spring (9); Connecing cover (1) in air inlet cooperates the inner hole wall upper edge of section to be axially arranged with gas pressure relief slot (11); Connect on the cylindrical that cover (1) cooperates the section right-hand member in air inlet and to be provided with locking steel ball hole (12); In air inlet connects the endoporus of cover (1), be provided with the valve core spring left side shaft shoulder (18) and seal groove (15), the linkage section that connects cover (1) in air inlet is provided with the left shaft shoulder (16) of spring with the boundary that cooperates section; Said spool (4) comprises seal header joints (40), cooperates cylindrical (41), grinding undercut (42), air outlet hole (43), air vent (44), the seal groove of giving vent to anger (46), stopping step (47) and raceway cylindrical (48); Grinding undercut (42) is arranged on the cooperation cylindrical (41) of spool (4); In grinding undercut (42), be provided with air outlet hole (43); Air outlet hole (43) interlinks with air vent (44); Right-hand member cooperating cylindrical (41) is provided with stopping step (47) and raceway cylindrical (48), and the seal groove of giving vent to anger (46) is arranged in spool (4) endoporus; In moving sliding sleeve (6) endoporus, from left to right be provided with the shaft shoulder (64) and locking cavity volume (65) in spring cavity volume (61), the interior shaft shoulder (62), mating cavity (63), the stopping successively; Air inlet seal ring (3) is contained in air inlet and connects in the seal groove (15) of cover (1); Spool (4) is sleeved on air inlet and connects in the spool slip hole (17) of cover (1); The matching relationship that the cooperation cylindrical (41) of spool (4) and air inlet connect between the spool slip hole (17) of cover (1) is a Spielpassung; The seal ring (8) of giving vent to anger is installed in the seal groove of giving vent to anger (46) of spool (4), the inner ring of the seal ring of giving vent to anger (8) and airtight cooperation of bleed plug Plug; Valve core spring (9) is positioned between the valve core spring left side shaft shoulder (18) and spool (4) seal header joints (40) that air inlet connects cover (1); Locking steel ball (5) is placed in the locking steel ball hole (12), and the base diameter of locking steel ball hole (12) is less than locking steel ball (5) diameter, and before bleed plug Plug inserted, locking steel ball (5) was arranged in the locking cavity volume (65) of moving sliding sleeve (6); Sliding sleeve spring (2) is sleeved on air inlet and connects on the cooperation section cylindrical of cover (1), and connects the spring left side shaft shoulder (16) of cover (1) and the interior shaft shoulder (62) axial limiting of moving sliding sleeve (6) by air inlet; Sliding sleeve bounding means (7) is fixedly mounted on the right-hand member that air inlet connects cover (1).
2. according to the pneumatic quick release coupling of the said plunger type of claim 1, it is characterized in that: said sliding sleeve bounding means (7) is a shaft block ring.
3. according to the pneumatic quick release coupling of the said plunger type of claim 1; It is characterized in that: said sliding sleeve bounding means (7) is for having the step axle sleeve of the shaft shoulder; Step axle sleeve inner hole sleeve is contained in air inlet and connects on the right-hand member cylindrical of cover (1); Be provided with the protection step at the right-hand member of step axle sleeve repeatedly for fixing between the two, the external diameter of protection step is corresponding with the maximum outside diameter of moving sliding sleeve (6) right-hand member.
4. according to the pneumatic quick release coupling of the said plunger type of claim 1; It is characterized in that: be provided with spring shaft core (49) between the cylindrical (41) with cooperating in seal header joints (40); The left end of valve core spring (9) is spacing by the valve core spring left side shaft shoulder (18); The right-hand member of valve core spring (9) is sleeved on the spring shaft core (49), and spacing by the spring shaft shoulder (45).
5. according to the pneumatic quick release coupling of the said plunger type of claim 1, it is characterized in that: the axial cross section of said grinding undercut (42) is shaped as circular arc, and grinding undercut (42) all passes through arc transition with cooperating between the cylindrical (41) of its both sides.
6. according to the pneumatic quick release coupling of the said plunger type of claim 1, it is characterized in that: the axial cross section of said grinding undercut (42) is shaped as isosceles trapezoid, and the waist of isosceles trapezoid all passes through arc transition with cooperating between the cylindrical (41).
7. according to the pneumatic quick release coupling of the said plunger type of claim 1, it is characterized in that: connect on the inner hole wall that cover (1) cooperates section in air inlet and be provided with 2～6 gas pressure relief slots (11) vertically equably.
8. according to the pneumatic quick release coupling of the said plunger type of claim 1, it is characterized in that: the cylindrical right-hand member upper edge that connects cover (1) cooperation section in air inlet circumferentially is provided with 3～6 locking steel ball holes (12) equably.
9. according to the pneumatic quick release coupling of the said plunger type of claim 1; It is characterized in that: the diameter of the locking cavity volume (65) of said moving sliding sleeve (6) is greater than diameter and two times of locking steel balls (5) diameter sum of raceway cylindrical (48), and the diameter of locking cavity volume (65) is less than the diameter and two times of locking steel balls (5) the diameter sum that cooperate cylindrical (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102166243A CN102410419A (en) | 2011-07-30 | 2011-07-30 | Plunger pneumatic quick-change coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102166243A CN102410419A (en) | 2011-07-30 | 2011-07-30 | Plunger pneumatic quick-change coupler |
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| Publication Number | Publication Date |
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| CN102410419A true CN102410419A (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102166243A Pending CN102410419A (en) | 2011-07-30 | 2011-07-30 | Plunger pneumatic quick-change coupler |
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| Country | Link |
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| CN (1) | CN102410419A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767660A (en) * | 2012-07-29 | 2012-11-07 | 李成余 | Quick connector |
| CN106594110A (en) * | 2016-11-30 | 2017-04-26 | 北京航科发动机控制系统科技有限公司 | Connecting device capable of realizing flexible axial separation |
| CN108278432A (en) * | 2018-03-05 | 2018-07-13 | 新乡平原航空液压设备有限公司 | A kind of quick coupling and its famale connector |
| CN109692949A (en) * | 2018-02-26 | 2019-04-30 | 河北泰禾高温流体科技股份有限公司 | A kind of driving device of ladle sliding water gap mechanism |
| CN112377704A (en) * | 2020-11-30 | 2021-02-19 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
| CN112943811A (en) * | 2021-01-28 | 2021-06-11 | 田士军 | Rotary power transmission and cut-off converter for sowing of traction type sowing machine |
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| CN201152427Y (en) * | 2008-01-11 | 2008-11-19 | 刘秀雄 | Safe type fast joint |
| CN102128329A (en) * | 2011-03-10 | 2011-07-20 | 庄志军 | Plunger type pneumatic quick change coupler |
| CN202215879U (en) * | 2011-07-30 | 2012-05-09 | 庄志军 | Plunger type pneumatic quick-change connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2453211Y (en) * | 2000-11-13 | 2001-10-10 | 慕容东林 | Quich actioun joint for fuel gas pipe |
| CN2503296Y (en) * | 2001-11-13 | 2002-07-31 | 慕容东林 | Quick connection |
| CN201152427Y (en) * | 2008-01-11 | 2008-11-19 | 刘秀雄 | Safe type fast joint |
| CN102128329A (en) * | 2011-03-10 | 2011-07-20 | 庄志军 | Plunger type pneumatic quick change coupler |
| CN202215879U (en) * | 2011-07-30 | 2012-05-09 | 庄志军 | Plunger type pneumatic quick-change connector |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767660A (en) * | 2012-07-29 | 2012-11-07 | 李成余 | Quick connector |
| CN106594110A (en) * | 2016-11-30 | 2017-04-26 | 北京航科发动机控制系统科技有限公司 | Connecting device capable of realizing flexible axial separation |
| CN109692949A (en) * | 2018-02-26 | 2019-04-30 | 河北泰禾高温流体科技股份有限公司 | A kind of driving device of ladle sliding water gap mechanism |
| CN109692949B (en) * | 2018-02-26 | 2023-06-02 | 河北泰禾高温流体科技股份有限公司 | Driving device of ladle sliding gate mechanism |
| CN108278432A (en) * | 2018-03-05 | 2018-07-13 | 新乡平原航空液压设备有限公司 | A kind of quick coupling and its famale connector |
| CN112377704A (en) * | 2020-11-30 | 2021-02-19 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
| CN112377704B (en) * | 2020-11-30 | 2022-06-10 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
| CN112943811A (en) * | 2021-01-28 | 2021-06-11 | 田士军 | Rotary power transmission and cut-off converter for sowing of traction type sowing machine |
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Application publication date: 20120411 |