CN204041986U - Stable type container locking apparatus - Google Patents
Stable type container locking apparatus Download PDFInfo
- Publication number
- CN204041986U CN204041986U CN201420339329.6U CN201420339329U CN204041986U CN 204041986 U CN204041986 U CN 204041986U CN 201420339329 U CN201420339329 U CN 201420339329U CN 204041986 U CN204041986 U CN 204041986U
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- Prior art keywords
- cylinder
- fixture block
- jaw
- shaped
- locking
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Abstract
The utility model relates to locking device technical field, disclose a kind of stable type container locking apparatus, fixed base is provided with negative pressure locking mechanism and positive lock mechanism, negative pressure locking mechanism comprises installation first cylinder, axle head fixed base being positioned at the first cylinder is provided with U-shaped connecting base, the both sides of U-shaped connecting base are provided with J-shaped pilot hole, jaw is provided with in U-shaped connecting base, jaw is fixedly connected with the axle head of the first cylinder, the both sides of jaw are provided with guide finger, and the two ends of guide finger are stretched in J-shaped pilot hole respectively; Positive lock mechanism comprises the air cylinder support be arranged on fixed base, and air cylinder support is provided with the second cylinder, and the axle head of the second cylinder is provided with fixture block, and the outer end of fixture block is provided with card interface, and the open end width of card interface is greater than bottom width.Therefore, the utility model has locking, opens conveniently, the beneficial effect that locking is stable, use is safer.
Description
Technical field
The utility model relates to locking device technical field, particularly relates to a kind of stable type container locking apparatus.
Background technique
A lot of experiment now needs to carry out under vacuum conditions, some experiment needs the vacuum vessel using volume, vacuum vessel generally comprises easy body and lid, Flange joint is passed through between container and lid, vessel flange, locked by locking device between lid flange, then vacuumize, vacuumizing rear internal tank is negative pressure state, before now locking mechanism mainly vacuumizes, the initial stage that vacuumizes is to lid flange coupling mechanism force, after container vacuum-pumping in test, such as certain substance combustion, now container internal pressure transfers malleation to by negative pressure, for tun, the pressure of malleation is up to tens0000 Ns, locking mechanism must have enough coupling mechanism forces, locking mechanism common is at present generally cylinder locking, hydraulic lock or bolt and fixes, and during cylinder locking, coupling mechanism force is little, and hydraulic structure is complicated, and fluid easily leaks, and during bolt-locking, dismounting, installation inconvenience, operator are dangerous.
Chinese patent Authorization Notice No.: CN200999118Y, authorized announcement date on January 2nd, 2008, disclose a kind of container locking apparatus, comprise vessel and container cover, long trough lockhole is had in vessel edge, container cover offers through hole, also there is a placement parallel with lockhole and the disc locking plate of lockhole can be extend into, the edge of disc locking plate has at least one tangential breach, the middle part of disc locking plate is fixedly connected with an axle, axle passes described container cover through hole from container internal direction and exceeds container cover plane, and axle is connected with described through hole pivotable.Its deficiency is, adopts locking plate to lock in this kind of container lock locking structure, for tun, need a lot of locking plate, and installation, the dismounting of locking plate are very inconvenient, and in operating process, operator are dangerous.
Model utility content
The utility model is of the prior art above-mentioned in order to solve, and provide a kind of locking, open conveniently, locking is stablized, use safer stable type container locking apparatus.
To achieve these goals, the utility model adopts following technological scheme:
A kind of stable type container locking apparatus, comprise the fixed base be fixed on container side wall, fixed base is provided with negative pressure locking mechanism and positive lock mechanism, described negative pressure locking mechanism comprises the first cylinder be arranged on fixed base, axle head fixed base being positioned at the first cylinder is provided with U-shaped connecting base, the both sides of U-shaped connecting base are provided with J-shaped pilot hole, jaw is provided with in U-shaped connecting base, jaw is fixedly connected with the axle head of the first cylinder, the both sides of described jaw are provided with guide finger, the two ends of guide finger are stretched in J-shaped pilot hole respectively, the head end of described jaw is sphere, described positive lock mechanism comprises the air cylinder support be arranged on fixed base, described air cylinder support is provided with the second cylinder, the axle of the second cylinder is vertical with container side wall, the axle head of the second cylinder is provided with fixture block, the outer end of described fixture block is provided with card interface, and the open end width of described card interface is greater than bottom width.
Some this kind of positive/negative-pressure locking devices of installation are divided equally by surrounding container being positioned at flange, the original state of the first cylinder is that cylinder axis stretches out state, the original state of the second cylinder is cylinder axis retraction state, after lid is connected with container, lid flange aligns with easy flange, now control the first cylinder axis retraction, first cylinder drives jaw to move along J-shaped pilot hole, while movement, jaw inwardly rotates, final jaw is fastened on lid flange and realizes clamping, location, then control the second cylinder axis to stretch out, card interface on fixture block is stuck in vessel flange, on lid flange, when in container during negative pressure, jaw, fixture block plays position-limiting action, prevent lid flange, vessel flange misplaces, also prevent ambient air from entering in container simultaneously, when in container during malleation, now pressure is very large, this pressure acts on fixture block, but not act on cylinder, therefore can not cause because cylinder pressure is too little lid be easily connected unreliable, after test, control the first cylinder, the second cylinder action, realize being separated of lid and container, therefore this kind of locking device locking, open conveniently, use safety, stable.
As preferably, the surface of contact of described guide finger and J-shaped pilot hole is provided with positioning hole, and the sidewall of described J-shaped pilot hole is provided with spring pin, and after the first cylinder axis shrinks, jaw locking lid flange, spring pin inserts in positioning hole.Spring pin plays positioning action to guide finger.
As preferably, the head of the second described cylinder is fixed with U-shaped guide holder, the axle of the second cylinder is fixedly connected with fixture block through U-shaped guide holder, fixture block is located in U-shaped guide holder, the inner side of U-shaped guide holder is provided with the guiding groove with the second cylinder parallel to an axis, and the both sides of described fixture block are provided with the projection coordinated with guiding groove.In container during malleation, fixture block can be subject to very large active force, places the stressed post deflection of fixture block in U-shaped guide holder.
As preferably, the bi-side of described card interface are inclined-plane and symmetrical about the second cylinder axis, the side of described card interface and the angle of the second cylinder-bore axis are α, and the friction factor of vessel flange, lid flange and card interface side is meet following relation between μ, α and μ: μ >=tan α.α is friction angle, utilize inclined-plane self-lock mechanism, as μ >=tan α, no matter in container, positive pressure pressure is much, as long as fixture block self-strength is enough large, so fixture block clamps with vessel flange, lid flange all the time, even the unexpected power-off in outside, the thrust of the second cylinder disappears, and fixture block still can clamp vessel flange, lid flange.
Therefore, the utility model has locking, opens conveniently, the beneficial effect that locking is stable, use is safer.Meanwhile, the utility model also has also can lock vessel flange, lid flange when unexpected power-off, thus safing beneficial effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of negative pressure locking mechanism in the utility model.
Fig. 2 is positive lock mechanism opening view in the utility model.
Fig. 3 is positive lock mechanism locking view in the utility model.
Fig. 4 is the plan structure schematic diagram of U-shaped guide holder and fixture block in Fig. 3.
In figure: fixed base 1 negative pressure locking mechanism 2 positive lock mechanism 3 first cylinder 4 U-shaped connecting base 5 J-shaped pilot hole 6 jaw 7 guide finger 8 air cylinder support 9 second cylinder 10 fixture block 11 card interface 12 spring pin 13 sphere 14 U-shaped guide holder 15 guiding groove 16 projection 17 vessel flange 18 lid flange 19 container 20 lid 21.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
A kind of stable type container locking apparatus as depicted in figs. 1 and 2, comprise the fixed base 1 be fixed on container side wall, fixed base is provided with negative pressure locking mechanism 2 and positive lock mechanism 3, negative pressure locking mechanism 2 comprises the first cylinder 4 be arranged on fixed base, axle head fixed base being positioned at the first cylinder is provided with U-shaped connecting base 5, the both sides of U-shaped connecting base are provided with J-shaped pilot hole 6, jaw 7 is provided with in U-shaped connecting base, jaw is fixedly connected with the axle head of the first cylinder, the both sides of jaw are provided with guide finger 8, the two ends of guide finger are stretched in J-shaped pilot hole respectively, the head end of jaw is sphere 14, guide finger 8 is provided with positioning hole with the surface of contact of J-shaped pilot hole, the sidewall of J-shaped pilot hole is provided with spring pin 13, after the first cylinder axis shrinks, jaw locking lid flange, spring pin inserts in positioning hole.
As shown in Figures 2 and 3, positive lock mechanism 3 comprises the air cylinder support 9 be arranged on fixed base, air cylinder support is provided with the second cylinder 10, the axle of the second cylinder is vertical with container side wall, the axle head of the second cylinder is provided with fixture block 11, the outer end of fixture block is provided with card interface 12, the open end width of card interface is greater than bottom width, the bi-side of card interface 12 are inclined-plane and symmetrical about the second cylinder axis, the side of card interface and the angle of the second cylinder-bore axis are α, vessel flange 18, lid flange 19 is μ with the friction factor of card interface side, following relation is met: μ >=tan α between α and μ, α is friction angle, utilize inclined-plane self-lock mechanism, as μ >=tan α, no matter in container, positive pressure pressure is much, as long as fixture block self-strength is enough large, so fixture block all the time with vessel flange, lid flange clamps, even the unexpected power-off in outside, the thrust of the second cylinder disappears, fixture block still can clamp vessel flange, lid flange, use safer, as shown in Figure 4, the head of the second cylinder 10 is fixed with U-shaped guide holder 15, the axle of the second cylinder is fixedly connected with fixture block through U-shaped guide holder, fixture block is located in U-shaped guide holder, the inner side of U-shaped guide holder is provided with the guiding groove 16 with the second cylinder parallel to an axis, and the both sides of fixture block are provided with the projection 17 coordinated with guiding groove, plays spacing, supported on both sides effect in U-shaped guide holder to fixture block, when preventing card interface in fixture block to be subject to very large pressure, deflect between fixture block and the second cylinder axis and depart from.
By reference to the accompanying drawings, using method of the present utility model is as follows: lid 21 is connected with the opening end of container 20, container open end is provided with vessel flange 18, the fitting surface of lid and container is provided with lid flange 19, 8 container positive/negative-pressure locking devices are evenly distributed with around downside container being positioned at vessel flange, that is 8 positive lock mechanisms and 8 negative pressure locking mechanisms are had, the original state of the first cylinder is that cylinder axis stretches out state, the original state of the second cylinder is cylinder axis retraction state, after lid is connected with container, lid flange aligns with easy flange, now control the first cylinder axis retraction, first cylinder drives jaw to move along J-shaped pilot hole, while movement, jaw inwardly rotates, final jaw is fastened on lid flange and realizes clamping, location, then control the second cylinder axis to stretch out, card interface on fixture block is stuck in vessel flange, on lid flange, when in container during negative pressure, jaw, fixture block plays position-limiting action, prevent lid flange, vessel flange misplaces, also prevent ambient air from entering in container simultaneously, when in container during malleation, now pressure is very large, this pressure acts on fixture block, but not act on cylinder, therefore can not cause because cylinder pressure is too little lid be easily connected unreliable, owing to meeting following relation between α and μ: μ >=tan α, therefore card interface and vessel flange, self-locking is there is between lid flange, even if extraneous power-off suddenly, the thrust of the second cylinder disappears, due to self-locking, therefore fixture block grip containers flange all the time, lid flange, use very safe, after test, control the first cylinder, second cylinder action, realize being separated of lid and container.Therefore, the utility model has locking, opens conveniently, the beneficial effect that locking is stable, use is safer.Meanwhile, the utility model also has also can lock vessel flange, lid flange when unexpected power-off, thus safing beneficial effect.
Claims (4)
1. a stable type container locking apparatus, it is characterized in that, comprise the fixed base (1) be fixed on container side wall, fixed base is provided with negative pressure locking mechanism (2) and positive lock mechanism (3), described negative pressure locking mechanism (2) comprises the first cylinder (4) be arranged on fixed base, axle head fixed base being positioned at the first cylinder is provided with U-shaped connecting base (5), the both sides of U-shaped connecting base are provided with J-shaped pilot hole (6), jaw (7) is provided with in U-shaped connecting base, jaw is fixedly connected with the axle head of the first cylinder, the both sides of described jaw are provided with guide finger (8), the two ends of guide finger are stretched in J-shaped pilot hole respectively, the head end of described jaw is sphere (14), described positive lock mechanism (3) comprises the air cylinder support (9) be arranged on fixed base, described air cylinder support is provided with the second cylinder (10), the axle of the second cylinder is vertical with container side wall, the axle head of the second cylinder is provided with fixture block (11), the outer end of described fixture block is provided with card interface (12), and the open end width of described card interface is greater than bottom width.
2. stable type container locking apparatus according to claim 1, it is characterized in that, described guide finger (8) is provided with positioning hole with the surface of contact of J-shaped pilot hole, the sidewall of described J-shaped pilot hole is provided with spring pin (13), after the first cylinder axis shrinks, jaw locking lid flange, spring pin inserts in positioning hole.
3. stable type container locking apparatus according to claim 1, it is characterized in that, the head of described the second cylinder (10) is fixed with U-shaped guide holder (15), the axle of the second cylinder is fixedly connected with fixture block through U-shaped guide holder, fixture block is located in U-shaped guide holder, the inner side of U-shaped guide holder is provided with the guiding groove (16) with the second cylinder parallel to an axis, and the both sides of described fixture block are provided with the projection (17) coordinated with guiding groove.
4. the stable type container locking apparatus according to claim 1 or 3, it is characterized in that, the bi-side of described card interface (12) are inclined-plane and symmetrical about the second cylinder axis, the side of described card interface and the angle of the second cylinder-bore axis are α, vessel flange (18), lid flange (19) are meet following relation between μ, α and μ with the friction factor of card interface side: μ >=tan α.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339329.6U CN204041986U (en) | 2014-06-25 | 2014-06-25 | Stable type container locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339329.6U CN204041986U (en) | 2014-06-25 | 2014-06-25 | Stable type container locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041986U true CN204041986U (en) | 2014-12-24 |
Family
ID=52242654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339329.6U Expired - Fee Related CN204041986U (en) | 2014-06-25 | 2014-06-25 | Stable type container locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214337A (en) * | 2014-06-25 | 2014-12-17 | 杭州杭氧环保成套设备有限公司 | Container positive-negative-pressure locking device |
-
2014
- 2014-06-25 CN CN201420339329.6U patent/CN204041986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214337A (en) * | 2014-06-25 | 2014-12-17 | 杭州杭氧环保成套设备有限公司 | Container positive-negative-pressure locking device |
| CN104214337B (en) * | 2014-06-25 | 2016-11-23 | 杭州杭氧环保成套设备有限公司 | Container positive/negative-pressure locking device |
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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: 20141224 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |