CN102297302A - Plunger type pneumatic fast-changing connector - Google Patents
Plunger type pneumatic fast-changing connector Download PDFInfo
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- CN102297302A CN102297302A CN2011102238523A CN201110223852A CN102297302A CN 102297302 A CN102297302 A CN 102297302A CN 2011102238523 A CN2011102238523 A CN 2011102238523A CN 201110223852 A CN201110223852 A CN 201110223852A CN 102297302 A CN102297302 A CN 102297302A
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Abstract
The invention relates to a plunger type pneumatic fast-changing connector, which comprises an air inlet connecting sleeve, a slide sleeve spring, an air inlet sealing ring, a valve core, a locking steel ball, a movable slide sleeve, a slide sleeve limiting piece, an air outlet sealing ring and a valve core spring. Pressure-relieving grooves are arranged on an inner hole wall of a rear guiding hole of the air inlet connecting sleeve along the circumferential direction; steel ball holes are arranged on an outside circle at the right end of a matching section; the locking steel ball is arranged in the steel ball holes; the slide limit among the air inlet connecting sleeve, the valve core and the movable slide sleeve along the axial direction of the valve core is controlled by the locking steel ball; before an air-entraining plug is inserted, the locking steel ball is located in a locking containing cavity; and a smooth over-traveling groove is arranged in the forward guiding direction of the valve core, so that the valve core is ensured to be in no-shearing contact with the air inlet sealing ring through matching with the outside circle during a process of opening/closing the valve core and the valve core is ensured to be capable of closing and easily opening and have a long service life. Compared with the traditional like products, the plunger type pneumatic fast-changing connector has the advantages of simple structure, small radial size, long service life, easiness in inserting of the air-entraining plug, low pressure loss and safety and reliability in operating.
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:
Pneumatic quick release coupling is the indispensable connected element that gas piping connects fast, and all use compressed-air actuated industry all to need using gases rapid pipe joint.In Chinese patent CN101907210A (patent No. is ZL201010234636.4), disclose " 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; the outlet side at negative joint is installed with lock sleeve; the non-return valve core of band exhaust passage is installed in the endoporus of negative joint and lock sleeve; the inlet end of male connector stretches into the endoporus of lock sleeve; and communicate with the exhaust passage of non-return valve core, between the inwall of lock sleeve and negative joint, clamped guide sleeve, 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 of non-return valve core seals and is conical, 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 described non-return valve core offers the inlet hole that communicates with the non-return valve core exhaust passage, 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, by 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 are formed, part is many, complex structure, guide sleeve, seal groove processing difficulties on the male connector, three seals assembling difficulty, though sealing part is many, but 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, radial dimension is bigger simultaneously, be difficult to satisfy the requirement of user to the pneumatic quick release coupling of small volume, the dismounting between negative joint and the lock sleeve realizes by outer-hexagonal, the further like this radial dimension that increases these parts, make this component geometry size can't dwindle high material consumption.
Summary of the invention:
In order to overcome existing pneumatic quick release coupling above shortcomings, 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 technical solution used in the present invention is as follows:
The pneumatic quick release coupling of a kind of plunger type, it is characterized in that: comprise that air inlet connects cover, the air inlet seal ring, the sliding sleeve spring, spool, the locking steel ball, moving sliding sleeve, the sliding sleeve bounding means, give vent to anger seal ring and valve core spring, described air inlet connects cover and comprises preceding pilot hole, back pilot hole, steel ball hole, the valve core spring left side shaft shoulder and the sliding sleeve spring left side shaft shoulder, preceding pilot hole and back pilot hole are coaxial, steel ball hole is opened in air inlet and connects on the cylindrical of cover cooperation section right-hand member, the endoporus shaft shoulder that forms between preceding pilot hole and back pilot hole is the valve core spring left side shaft shoulder, and connecing the linkage section of cover and cooperate the formed shaft shoulder of boundary of section in air inlet is the sliding sleeve spring left side shaft shoulder; Described spool comprises seal header joints, leading to, air outlet hole, air vent, the right shaft shoulder of valve core spring, the seal groove of giving vent to anger, retaining step, back guiding and raceway cylindrical, air outlet hole is arranged on the leading of spool and makes progress, air outlet hole and air vent interlink, leading to and back guiding between the formed shaft shoulder be the right shaft shoulder of valve core spring, right-hand member in back guiding is provided with retaining step and raceway cylindrical, and the seal groove of giving vent to anger is arranged in the endoporus on the right shaft shoulder of valve core spring right side of spool; 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 retaining successively; Be provided with the mounting structure of air inlet seal ring at the preceding pilot hole place that air inlet connects cover, valve core housing is contained in air inlet and connects in the preceding pilot hole and back pilot hole of cover, spool leading to and the matching relationship that connects between the preceding pilot hole of cover of air inlet be Spielpassung, equally, the matching relationship that the back guiding of spool and air inlet connect between the back pilot hole of 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, and the inner ring of the seal ring of giving vent to anger cooperates with the bleed plug is airtight; Between valve core spring connects cover in air inlet the valve core spring left side shaft shoulder and the valve core spring right side shaft shoulder of spool; The locking steel ball is placed in the steel ball hole, and the base diameter of steel ball hole is less than the diameter of locking steel ball, and before the bleed 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 sliding sleeve 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, the mounting structure of described air inlet seal ring is, is provided with the air inlet seal groove in preceding pilot hole, and the air inlet seal ring is installed in the air inlet seal groove.
Further, the mounting structure of described air inlet seal ring is, the left side of pilot hole before the air inlet seal ring is installed in, and by left back-up ring axial limiting.
Further, the mounting structure of described air inlet seal ring is, the right side of pilot hole before the air inlet seal ring is installed in, and by right back-up ring axial limiting.
Further, on the hole wall of back pilot hole, be provided with gas pressure relief slot.
Further, at the leading grinding undercut that upwards is provided with of spool, air outlet hole is arranged in the grinding undercut.
Further, the axial cross section of described 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 described 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, described sliding sleeve bounding means is a shaft block ring.
Further, described 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, is fixedly connected between the two, right-hand member at the step axle sleeve is provided with the protection shaft shoulder, and the external diameter of the protection shaft shoulder is corresponding with the maximum outside diameter of moving sliding sleeve right-hand member.
Further, the inner hole wall upper edge that connects cover back pilot hole in air inlet circumferentially is provided with 2～6 gas pressure relief slots equably, and gas pressure relief slot is a straight line type.
Further, connecing cover in air inlet cooperates the cylindrical right-hand member upper edge of section circumferentially to be provided with 3～6 steel ball holes equably.
Further, size requirement is between the diameter of the diameter of the diameter of locking steel ball, locking cavity volume, back guiding and the diameter of raceway cylindrical: the diameter of described 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 diameter and two times of locking steel ball size sums of back guiding.
The pneumatic quick release coupling of this plunger type has only air inlet to connect cover, spool, three body element of moving sliding sleeve, cylindrical at spool is respectively established sealing with endoporus, because the leading grinding undercut that upwards is provided with at spool, the left end head design becomes sealing configuration, leading to, the back guiding connects the preceding pilot hole and the accurate Spielpassung of back pilot hole of cover respectively with air inlet, spool is in opening the process of source of the gas, spool is leading to from left to right contacting with the air inlet seal ring successively, when the air inlet seal ring is crossed grinding undercut, pressed gas passes 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, reduce 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 spool leading to the right-hand member interference fit, the pressed gas of the source of the gas directly air outlet hole from the spool grinding undercut enters in the air vent, interlinks with the bleed plug, prevents 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.Size requirement is between the diameter of the diameter of the diameter of the diameter of locking steel ball, locking cavity volume, the back guiding of spool and the raceway cylindrical of spool right-hand member: the diameter of described 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 axially lock the bleed plug, can carry out dextrad to spool again and move spacingly, makes the structure of product simpler, and volume is littler.This plunger type sealing structure, spool are in the opening and closing process, and air inlet seal ring and spool are leading to the interference sealing, guarantee that spool closes to such an extent that live, and opens easily.
Being provided with of grinding undercut can make air inlet seal ring and air outlet hole realize not having the slip of shearing, and it is minimum that air inlet seal ring and spool are damaged in the opening and closing process of move left and right, prolonged working life.
Being provided with of sliding sleeve bounding means can be carried out axial limiting to moving sliding sleeve 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, be fixedly connected between the two, 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, not only simple in structure, radial dimension is littler, 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 only is 1/2～2/3 of existing product, be enhanced about more than once working life, and the bleed plug inserts easily, pressure loss is little, for example, is 90PSI at pressure, when flow was 9SCFM, the pressure drop of existing product was 7PSI, and the present invention is 1PSI only, handling safety is 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 inserts the structural representation of state fully at bleed plug Plug for Fig. 1
Fig. 7 is the structural representation of embodiment of the present invention two;
Fig. 8 is the structural representation of embodiment of the present invention three;
Fig. 9 is the structural representation of embodiment of the present invention four;
Among the figure, the 1-air inlet connects cover; 2-air inlet seal ring; 3-sliding sleeve spring; 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; Pilot hole before the 11-; Pilot hole behind the 12-; The 13-gas pressure relief slot; The 14-steel ball hole; The 15-valve core spring left side shaft shoulder; 16-air inlet seal groove; The 17-sliding sleeve spring left side shaft shoulder; The axial circlip groove of 18-; The 40-seal header joints; 41-leading to; The 42-grinding undercut; The 43-air outlet hole; The 44-air vent; The right shaft shoulder of 45-valve core spring; The 46-seal groove of giving vent to anger; 47-retaining step; Lead behind the 48-; 49-raceway cylindrical; 61-spring cavity volume; The shaft shoulder in the 62-; The 63-mating cavity; The shaft shoulder in the 64-retaining; 65-locks cavity volume; Plug-bleed plug.100-left side back-up ring; The right back-up ring of 101-.
Embodiment:
Illustrate the specific 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, air inlet seal ring 2, sliding sleeve spring 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, described air inlet connects cover 1 and is sleeve structure, as 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 13 equably, the effect of gas pressure relief slot 13 is to produce the pressure release effect when bleed plug Plug inserts, be 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 steel ball holes 14 equably, locking steel ball 5 is placed in the steel ball hole 14, the base diameter of steel ball hole 14 is less than locking steel ball 5 diameters, on the cylindrical of the right side of steel ball hole 14, be provided with axial circlip groove 18, 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, preceding pilot hole 11 and back pilot hole 12, in the pilot hole 11, be the sliding sleeve spring left side shaft shoulder 17 before air inlet seal groove 16 is arranged at a linkage section and the formed shaft shoulder of cooperation section boundary; Described spool 4 is the step axle sleeve structure, as shown in Figure 4, comprise seal header joints 40, leading to 41, grinding undercut 42, air outlet hole 43, air vent 44, the right shaft shoulder 45 of valve core spring, the seal groove 46 of giving vent to anger, retaining step 47, back guiding 48 and raceway cylindrical 49, grinding undercut 42 is arranged on the leading on 41 of spool 4, in grinding undercut 42, be provided with air outlet hole 43, air outlet hole 43 interlinks with air vent 44, leading to 41 and back guiding 48 between the formed shaft shoulder be the right shaft shoulder 45 of valve core spring, right-hand member in back guiding 48 is provided with retaining step 47 and raceway cylindrical 49, and the seal groove 46 of giving vent to anger is arranged in the endoporus on the right shaft shoulder of valve core spring 45 right sides of spool 4; Described moving sliding sleeve 6 in moving sliding sleeve 6 endoporus, 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 retaining as shown in Figure 5 successively; Air inlet seal ring 2 is contained in air inlet and connects in the air inlet seal groove 16 in cover 1 the preceding pilot hole 11, spool 4 is sleeved on air inlet and connects in the preceding pilot hole 11 and back pilot hole 12 of cover 1, spool 4 leading to 41 and the matching relationship that connects between cover 1 the preceding pilot hole 11 of air inlet be Spielpassung, equally, the matching relationship that the back guiding 48 of spool 4 and air inlet connect between cover 1 the back pilot hole 12 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; Valve core spring 9 connects between the valve core spring right side shaft shoulder 45 of cover 1 the valve core spring left side shaft shoulder 15 and spool 4 in air inlet; Locking steel ball 5 is placed in the steel ball hole 14, and the base diameter of steel ball hole 14 is less than the diameter of locking steel ball 5, and before bleed plug Plug inserted, locking steel ball 5 was arranged in the locking cavity volume 65 of moving sliding sleeve 6; Size requirement is between the diameter of the diameter of the diameter of locking steel ball 5, locking cavity volume 65, back guiding 48 and the diameter of raceway cylindrical 49: the diameter of described locking cavity volume 65 is greater than diameter and two times of locking steel ball 5 diameter sums of raceway cylindrical 49, and the diameter of locking cavity volume 65 is less than diameter and two times of locking steel ball 5 diameter sums of back guiding 48; Sliding sleeve spring 3 is sleeved on air inlet and connects on the cooperation section cylindrical of cover 1, and connects the sliding sleeve spring left side shaft shoulder 17 of cover 1 and the interior shaft shoulder 62 axial limitings of moving sliding sleeve by air inlet; Described sliding sleeve bounding means 7 is a shaft block ring, and axially back-up ring is installed in the axial circlip groove 18.
Embodiment 2: the pneumatic quick release coupling of a kind of plunger type, as shown in Figure 7, its structure is similar to embodiment 1, difference is: be arranged on moving sliding sleeve 6 and air inlet and connect the sliding sleeve bounding means 7 of cover between 1 and changed into the step axle sleeve that has the shaft shoulder 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, and 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.
Embodiment 4: the pneumatic quick release coupling of a kind of plunger type, and as shown in Figure 9, its structure is similar to embodiment 1, difference is: the mounting structure of air inlet seal ring 2, in this example, the right side of pilot hole 11 before air inlet seal ring 2 is installed in, and by right back-up ring 101 axial limitings.
Though enumerated four embodiments, can not the limit all of the embodiments of the present invention, all organization plans of functions such as all employings and the present invention replacement are all within protection scope of the present invention.
Claims (10)
1. pneumatic quick release coupling of plunger type, it is characterized in that: comprise that air inlet connects cover (1), air inlet seal ring (2), sliding sleeve spring (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), described air inlet connects cover (1) and comprises preceding pilot hole (11), back pilot hole (12), steel ball hole (14), the valve core spring left side shaft shoulder (15) and the sliding sleeve spring left side shaft shoulder (17), preceding pilot hole (11) and back pilot hole (12) are coaxial, steel ball hole (14) is opened in air inlet and connects on the cylindrical of cover (1) cooperation section right-hand member, the endoporus shaft shoulder that forms between preceding pilot hole (11) and back pilot hole (12) is the valve core spring left side shaft shoulder (15), and connecing the linkage section of cover (1) and cooperate the formed shaft shoulder of boundary of section in air inlet is the sliding sleeve spring left side shaft shoulder (17); Described spool (4) comprises seal header joints (40), leading to (41), air outlet hole (43), air vent (44), the right shaft shoulder (45) of valve core spring, the seal groove (46) of giving vent to anger, retaining step (47), back guiding (48) and raceway cylindrical (49), air outlet hole (43) is arranged on the leading on (41) of spool (4), air outlet hole (43) interlinks with air vent (44), leading between (41) and back guiding (48) the formed shaft shoulder be the right shaft shoulder (45) of valve core spring, right-hand member in back guiding (48) is provided with retaining step (47) and raceway cylindrical (49), and the seal groove of giving vent to anger (46) is arranged in the endoporus on the shaft shoulder (45) right side, the valve core spring right side of spool (4); 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 retaining successively; The preceding pilot hole (11) that connects cover (1) in air inlet locates to be provided with the mounting structure of air inlet seal ring (2), spool (4) is sleeved on air inlet and connects in the preceding pilot hole (11) and back pilot hole (12) of cover (1), the matching relationship that spool (4) leading connects to (41) and air inlet between the preceding pilot hole (11) of cover (1) is a Spielpassung, equally, the matching relationship that the back guiding (48) of spool (4) and air inlet connect between the back pilot hole (12) 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 right side shaft shoulder (45) of the valve core spring left side shaft shoulder (15) that air inlet connects cover (1) and spool (4); Locking steel ball (5) is placed in the steel ball hole (14), and the base diameter of steel ball hole (14) is less than the diameter of locking steel ball (5), 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 (3) is sleeved on air inlet and connects on the cooperation section cylindrical of cover (1), and connects the sliding sleeve spring left side shaft shoulder (17) 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 described plunger type of claim 1, it is characterized in that: the mounting structure of described air inlet seal ring (2) is, is provided with air inlet seal groove (16) in preceding pilot hole (11), and air inlet seal ring (2) is installed in the air inlet seal groove (16).
3. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: the mounting structure of described air inlet seal ring (2) is, air inlet seal ring (2) is installed in the left side of preceding pilot hole (11), and by left back-up ring (100) axial limiting.
4. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: the mounting structure of described air inlet seal ring (2) is, air inlet seal ring (2) is installed in the right side of preceding pilot hole (11), and by right back-up ring (101) axial limiting.
5. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: on the hole wall of back pilot hole (12), be provided with gas pressure relief slot (13).
6. according to the pneumatic quick release coupling of the described plunger type of claim 5, it is characterized in that: gas pressure relief slot (13) is along the circumferential distribution of back pilot hole (12).
7. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: at the leading grinding undercut (42) that is provided with on (41) of spool (4), air outlet hole (43) is arranged in the grinding undercut (42).
8. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: described sliding sleeve bounding means (7) is a shaft block ring.
9. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: described 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 fixedly connected between the two, right-hand member at the step axle sleeve is provided with the protection shaft shoulder, and the external diameter of the protection shaft shoulder is corresponding with the maximum outside diameter of moving sliding sleeve (6) right-hand member.
10. according to the pneumatic quick release coupling of the described plunger type of claim 1, it is characterized in that: size requirement is between the diameter of the diameter of the diameter of locking steel ball (5), locking cavity volume (65), the diameter of back guiding (48) and raceway cylindrical (49): the diameter of described locking cavity volume (65) is greater than diameter and two times of locking steel balls (5) diameter sum of raceway cylindrical (49), and the diameter of locking cavity volume (65) is less than diameter and two times of locking steel balls (5) diameter sum of back guiding (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102238523A CN102297302A (en) | 2011-08-05 | 2011-08-05 | Plunger type pneumatic fast-changing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102238523A CN102297302A (en) | 2011-08-05 | 2011-08-05 | Plunger type pneumatic fast-changing connector |
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| CN102297302A true CN102297302A (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102238523A Pending CN102297302A (en) | 2011-08-05 | 2011-08-05 | Plunger type pneumatic fast-changing connector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104633349A (en) * | 2015-03-02 | 2015-05-20 | 江苏扬力集团有限公司 | Automatic gas source mechanism |
| CN105972362A (en) * | 2016-07-13 | 2016-09-28 | 虞上海 | Safety quick coupling for gas pipe, coupling matrix and male coupling |
| CN109237180A (en) * | 2017-07-11 | 2019-01-18 | 株式会社龙野 | safety joint |
| CN109605263A (en) * | 2018-10-18 | 2019-04-12 | 武汉智仁传控技术有限公司 | A kind of more changing device for motor |
| CN111230538A (en) * | 2020-02-28 | 2020-06-05 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111928813A (en) * | 2020-06-30 | 2020-11-13 | 温州大学瓯江学院 | Valve core assembling method |
| CN113681330A (en) * | 2021-10-27 | 2021-11-23 | 湖南中大创远数控装备有限公司 | Rivet actuating device |
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- 2011-08-05 CN CN2011102238523A patent/CN102297302A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633349A (en) * | 2015-03-02 | 2015-05-20 | 江苏扬力集团有限公司 | Automatic gas source mechanism |
| CN105972362A (en) * | 2016-07-13 | 2016-09-28 | 虞上海 | Safety quick coupling for gas pipe, coupling matrix and male coupling |
| CN105972362B (en) * | 2016-07-13 | 2019-04-02 | 广东金尚智能电气有限公司 | Safety quick joint and connector parent, pin end for fuel gas conduit |
| CN109237180A (en) * | 2017-07-11 | 2019-01-18 | 株式会社龙野 | safety joint |
| CN109237180B (en) * | 2017-07-11 | 2021-08-31 | 株式会社龙野 | Safety joint |
| CN109605263A (en) * | 2018-10-18 | 2019-04-12 | 武汉智仁传控技术有限公司 | A kind of more changing device for motor |
| CN109605263B (en) * | 2018-10-18 | 2021-07-13 | 武汉智仁传控技术有限公司 | A change device for motor |
| CN111230538A (en) * | 2020-02-28 | 2020-06-05 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111230538B (en) * | 2020-02-28 | 2021-09-17 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111928813A (en) * | 2020-06-30 | 2020-11-13 | 温州大学瓯江学院 | Valve core assembling method |
| CN111928813B (en) * | 2020-06-30 | 2022-03-22 | 温州大学瓯江学院 | Valve core assembling method |
| CN113681330A (en) * | 2021-10-27 | 2021-11-23 | 湖南中大创远数控装备有限公司 | Rivet actuating device |
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Application publication date: 20111228 |