CN101936393A - Opening telescope type conical sleeve and fast-opening blind plate locking mechanism thereof - Google Patents

Opening telescope type conical sleeve and fast-opening blind plate locking mechanism thereof Download PDF

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Publication number
CN101936393A
CN101936393A CN 201010278156 CN201010278156A CN101936393A CN 101936393 A CN101936393 A CN 101936393A CN 201010278156 CN201010278156 CN 201010278156 CN 201010278156 A CN201010278156 A CN 201010278156A CN 101936393 A CN101936393 A CN 101936393A
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Prior art keywords
tapered sleeve
opening
conical surface
conical sleeve
plane
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CN101936393B (en
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陈伟忠
冯嘉
何忠胜
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Jiangsu Shengwei Gas Technology Co., Ltd
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JIANGSU SUNWAY FILTER EQUIPMENT CO Ltd
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Abstract

The invention relates to an opening telescope type conical sleeve and a fast-opening blind plate locking mechanism thereof, belonging to the technical field of fast-opening blind plate, wherein the conical sleeve is a ring with an opening and comprises a small conical surface contacted with a door cover and a large conical surface contacted with a high neck; and the large conical surface is staggered toward the outside of the conical sleeve relative to the small conical surface. The design of the two end surfaces of the conical sleeve makes the conical sleeve thinner, in order to realize easy contraction of the conical sleeve and avoiding setting slots with outward openings around the traditional lock ring. Additionally, the conical sleeve bears resultant force of shearing force and extrusion force instead of only the shearing force, and mainly bears the extrusion force, thereby realizing reasonable force bearing. The conical sleeve is easily to be contacted by tools when the conical sleeve has a fault as the conical sleeve is outside the door cover, thus facilitating product maintenance.

Description

Telescopic tapered sleeve of opening and fast-opening blind locking mechanism thereof
Technical field
The present invention relates to the fast-opening blind technical field, the telescopic tapered sleeve of particularly a kind of opening and use the fast-opening blind locking mechanism of this vertebra cover.
Background technique
The locking mechanism of existing fast-opening blind comprises hub groove, the door closure groove in the door closure outer ring and the door-opening mechanism on the door closure in lock ring, the hub, lock ring is the big snap ring of an opening, can strut and shrink, lock ring embeds in hub groove and the door closure groove simultaneously when lock ring struts, and realizes the locking to door closure.Door-opening mechanism on the door closure shrinks lock ring, makes snap close withdraw from hub fully, realizes the release to door closure.But the locking mechanism of the fast-opening blind of this kind structure because lock ring in inner cap inside, in case lock ring stuck fault in the lock ring groove takes place, externally can't touch lock ring by instrument, can only touch lock ring by the through hole of the feeding hub groove reserved on the hub and remove stuck fault, but the through hole on the hub is all very little, the tool operation difficulty.And lock ring is the opening annulus that a cross section is a rectangle, and when door closure was in locking state, the power that hub groove and door closure groove act on the lock ring was shearing force, for reaching the purpose of effective locking, the structural strength of lock ring is had relatively high expectations.
Summary of the invention
Technical problem to be solved by this invention is: telescopic tapered sleeve of a kind of opening and locking mechanism thereof are provided, are subjected to the stress form of shearing force when changing traditional rectangular lock ring locking door closure, reach better desirable locking effect.
The technical solution adopted for the present invention to solve the technical problems is: the telescopic tapered sleeve of a kind of opening, tapered sleeve are an annulus with opening, comprise the little conical surface that contacts with door closure and the big conical surface that contacts with hub, and the big relative conelet of the conical surface staggers towards the tapered sleeve outside.
Further, the little conical surface of tapered sleeve and the big conical surface are parallel to each other, and with the tapered sleeve axis normal,
The shape of the side of axle sleeve has various ways:
Inboard as tapered sleeve is an inclined-plane, and the outside of tapered sleeve is made of two faces.
Perhaps, the inboard of tapered sleeve is made of two faces, and the outside of tapered sleeve is an inclined-plane.
Perhaps, the inboard of tapered sleeve and the outside all are an inclined-plane.
Again or, the inboard of tapered sleeve is made of two faces, the outside of tapered sleeve also is made of two faces.Concrete, two faces of the inboard of tapered sleeve are respectively vertical surface and the inclined-plane with the tapered sleeve parallel axes, conelet face below is a vertical surface, the vertical surface below is the inclined-plane, two faces in the outside of tapered sleeve also are respectively vertical surface and the inclined-plane with the tapered sleeve parallel axes, conelet face below is the inclined-plane, and the below, inclined-plane is a vertical surface, and the inboard of tapered sleeve is parallel with the inclined-plane in the outside.
A kind of fast-opening blind locking mechanism that uses this tapered sleeve, comprise hub and door closure, have locked groove on the hub inwall, have door-opening mechanism on door closure, door-opening mechanism is connected with the opening two ends of tapered sleeve, shrink, strut tapered sleeve, when door-opening mechanism strutted tapered sleeve, the little conical surface of tapered sleeve was against on the door closure, and the big conical surface of tapered sleeve is against on the locked groove, when door-opening mechanism shrank tapered sleeve, the auger emaciated face of tapered sleeve went out locked groove.The tapered sleeve of this fast-opening blind locking mechanism is in the door closure outside, and when this tapered sleeve broke down, instrument can touch tapered sleeve easily, has made things convenient for the maintenance of product.
The invention has the beneficial effects as follows: two end faces of tapered sleeve are when the design that axial direction just staggers makes tapered sleeve not need very thick thickness to be implemented in to strut, and small end face props up on the pressure-bearing surface of door closure, and large end face props up on the pressure-bearing surface of hub locked groove.Because tapered sleeve does not need very thick feasible contraction tapered sleeve to be more prone to, and do not need as traditional lock ring, around lock ring, to offer the outside slotted eye of a lot of openings.
In addition, when the opening tapered sleeve was strutted, small end face propped up on the pressure-bearing surface of door closure, and large end face props up on the pressure-bearing surface of hub locked groove.At this moment, if blind plate inner inflatable, tapered sleeve is in stressed, the numerous small metallic atom of its inside or molecule form extruding to axially going up adjacent atom or molecule, in general, make the stressed of tapered sleeve become making a concerted effort that collection shearing force and extruding force be combined with each other from pure shearing force, wherein extruding force accounts for leadingly, makes more reasonable stress.
Also have, tapered sleeve is in the door closure outside, and when this tapered sleeve broke down, instrument can touch tapered sleeve easily, has made things convenient for the maintenance of product.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of tapered sleeve of the present invention;
Fig. 2 is first kind of schematic cross-section of tapered sleeve of the present invention;
Fig. 3 is second kind of schematic cross-section of tapered sleeve of the present invention;
Fig. 4 is the third schematic cross-section of tapered sleeve of the present invention;
Fig. 5 is the 4th a kind of schematic cross-section of tapered sleeve of the present invention;
Fig. 6 locking mechanism principle schematic of the present invention.
Among the figure: 1. tapered sleeve, the 11. little conical surfaces, the 12. big conical surfaces, 13. inboards, 14. outsides, 2. door closure, 3. hub, 31. locked grooves, 4. ring-shaped depression, 41. sidewalls.
Embodiment
As Fig. 1 and shown in Figure 6, the telescopic tapered sleeve of a kind of opening, tapered sleeve 1 is an annulus with opening, comprise the conelet face 11 that contacts with door closure 2 and the big conical surface 12 that contacts with hub 3, the big conical surface 12 relative conelet faces 11 stagger to tapered sleeve 1 outside, and for realizing better locking effect, the tapering of tapered sleeve is as far as possible little, what small end face diameter and large end face diameter were tried one's best in other words is approaching, and the height of tapered sleeve is enough high.
As shown in Figure 2, the conelet face 11 of tapered sleeve 1 and the big conical surface 12 are parallel to each other, and with the tapered sleeve axis normal, the inboard 13 of tapered sleeve 1 is made of a vertical surface and an inclined-plane with the tapered sleeve parallel axes, and conelet face 11 belows are vertical surfaces, and the vertical surface below is the inclined-plane, the outside 14 of tapered sleeve 1 also constitutes with tapered sleeve parallel axes vertical surface and inclined-plane by one, conelet face 11 belows are inclined-plane vertical surfaces, and the below, inclined-plane is a vertical surface, and the inboard 13 of tapered sleeve 1 is parallel with the inclined-plane in the outside 14.The tapered sleeve of this kind structure is easy to process.Need to prove description above the shape of the side of axle sleeve is not limited at this, as shown in Figure 3, the inboard 13 of tapered sleeve 1 is an inclined-plane, and the outside 14 of tapered sleeve 1 is made of two faces.As shown in Figure 4, the inboard 13 of tapered sleeve 1 is made of two faces, and the outside 14 of tapered sleeve 1 is an inclined-plane.The inboard 13 of tapered sleeve 1 and the outside 14 all are an inclined-plane as shown in Figure 5.So similar variation all belongs to the protection domain of this patent.
A kind of fast-opening blind locking mechanism of using the telescopic tapered sleeve of above-mentioned opening, comprise hub 3 and door closure 2, have locked groove 31 on hub 3 inwalls, have door-opening mechanism on door closure 2, door-opening mechanism is connected with the opening two ends of tapered sleeve 1, shrink, strut tapered sleeve 1, when door-opening mechanism strutted tapered sleeve 1, the conelet face 11 of tapered sleeve 1 was against on the door closure 2, and the big conical surface 12 of tapered sleeve 1 is against on the locked groove 31, when door-opening mechanism shrank tapered sleeve 1, the big conical surface 12 of tapered sleeve 1 was deviate from locked groove 31.Door-opening mechanism does not draw in the accompanying drawings.
Reliable for the contractive action that guarantees tapered sleeve 1, ring-shaped depression 4 is set around door closure 2, tapered sleeve 1 embeds ring-shaped depression 4, and the contractive action of tapered sleeve 1 is subjected to the constraint of the sidewall 41 of ring-shaped depression 4, and contractive action is more reliable.

Claims (8)

1. telescopic tapered sleeve of opening, it is characterized in that: described tapered sleeve (1) is an annulus with opening, comprise the little conical surface (11) that contacts with door closure (2) and the big conical surface (12) that contacts with hub (3), the big relatively little conical surface of the conical surface (12) (11) staggers to tapered sleeve (1) outside.
2. the telescopic tapered sleeve of opening according to claim 1 is characterized in that: the little conical surface (11) of described tapered sleeve (1) and the big conical surface (12) are parallel to each other, and with the tapered sleeve axis normal.
3. the telescopic tapered sleeve of opening according to claim 1 and 2 is characterized in that: the inboard (13) of described tapered sleeve (1) is an inclined-plane, and the outside (14) of tapered sleeve (1) is made of two faces.
4. the telescopic tapered sleeve of opening according to claim 1 and 2 is characterized in that: the inboard (13) of described tapered sleeve (1) is made of two faces, and the outside (14) of tapered sleeve (1) is an inclined-plane.
5. the telescopic tapered sleeve of opening according to claim 1 and 2 is characterized in that: the inboard (13) of described tapered sleeve (1) and the outside (14) all are an inclined-plane.
6. the telescopic tapered sleeve of opening according to claim 1 and 2 is characterized in that: the inboard (13) of described tapered sleeve (1) is made of two faces, and the outside (14) of tapered sleeve (1) also is made of two faces.
7. the telescopic tapered sleeve of opening according to claim 6, it is characterized in that: two faces of the inboard (13) of described tapered sleeve (1) are respectively vertical surface and the inclined-plane with the tapered sleeve parallel axes, the little conical surface (11) below is a vertical surface, the vertical surface below is the inclined-plane, two faces in the outside (14) of tapered sleeve (1) also are respectively vertical surface and the inclined-plane with the tapered sleeve parallel axes, the little conical surface (11) below is the inclined-plane, the below, inclined-plane is a vertical surface, and the inboard (13) of tapered sleeve (1) is parallel with the inclined-plane of the outside (14).
8. fast-opening blind locking mechanism that uses claim 1 or the telescopic tapered sleeve of 2 or 7 described openings, comprise hub (3) and door closure (2), it is characterized in that: on described hub (3) inwall, have locked groove (31), on door closure (2), has door-opening mechanism, door-opening mechanism is connected with the opening two ends of tapered sleeve (1), shrink, strut tapered sleeve (1), when door-opening mechanism struts tapered sleeve (1), the little conical surface (11) of tapered sleeve (1) is against on the door closure (2), the big conical surface (12) of tapered sleeve (1) is against on the locked groove (31), when door-opening mechanism shrank tapered sleeve (1), the big conical surface (12) of tapered sleeve (1) was deviate from locked groove (31).
CN2010102781568A 2010-09-10 2010-09-10 Opening telescope type conical sleeve and fast-opening blind plate locking mechanism thereof Active CN101936393B (en)

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Application Number Priority Date Filing Date Title
CN2010102781568A CN101936393B (en) 2010-09-10 2010-09-10 Opening telescope type conical sleeve and fast-opening blind plate locking mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102781568A CN101936393B (en) 2010-09-10 2010-09-10 Opening telescope type conical sleeve and fast-opening blind plate locking mechanism thereof

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CN101936393A true CN101936393A (en) 2011-01-05
CN101936393B CN101936393B (en) 2012-07-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568379A (en) * 1967-12-11 1971-03-09 Atomenergi Ab Prestressed concrete pressure vessel
GB2172956A (en) * 1985-02-26 1986-10-01 Peco Uk Limited Closure
CN101038060A (en) * 2007-04-24 2007-09-19 沈阳仪表科学研究院 Lock band embedded quick-opening blind plate
US20090084791A1 (en) * 2007-10-02 2009-04-02 Sypris Technologies, Inc. Closure Having a Segmented Locking Ring
CN201763943U (en) * 2010-09-10 2011-03-16 江苏盛伟过滤设备有限公司 Opening-telescopic taper sleeve and quick opening closure locking mechanism employing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568379A (en) * 1967-12-11 1971-03-09 Atomenergi Ab Prestressed concrete pressure vessel
GB2172956A (en) * 1985-02-26 1986-10-01 Peco Uk Limited Closure
CN101038060A (en) * 2007-04-24 2007-09-19 沈阳仪表科学研究院 Lock band embedded quick-opening blind plate
US20090084791A1 (en) * 2007-10-02 2009-04-02 Sypris Technologies, Inc. Closure Having a Segmented Locking Ring
CN201763943U (en) * 2010-09-10 2011-03-16 江苏盛伟过滤设备有限公司 Opening-telescopic taper sleeve and quick opening closure locking mechanism employing the same

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