CN1068653C - Latch assembly - Google Patents
Latch assembly Download PDFInfo
- Publication number
- CN1068653C CN1068653C CN 96104553 CN96104553A CN1068653C CN 1068653 C CN1068653 C CN 1068653C CN 96104553 CN96104553 CN 96104553 CN 96104553 A CN96104553 A CN 96104553A CN 1068653 C CN1068653 C CN 1068653C
- Authority
- CN
- China
- Prior art keywords
- pivot
- board
- plate
- locking
- outstanding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims description 34
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000002687 intercalation Effects 0.000 claims description 4
- 238000009830 intercalation Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to a locking device. In the locking device, a base end part of an operating lever 3 is connected with a shaft supporting plate 2 at one end of a base plate 1 by a first pivot shaft; the base end part of a locking arm 5 is connected with the middle operating part of the operating lever 3 by a second pivot shaft 6; a protruding plate of a lock plate 11 is inserted into a slot 13 of a guide plate 10 of the base plate 1 to cause the protruding plate 12 to be matched with a locking notch 21 of a locking plate 20 of a supporting plate 19; the supporting plate 19 is arranged on the operating lever 3; the operating lever 3 is locked with the base plate 1; a push plate 14 used for unlocking the lock plate 11 and the supporting plate 19 is arranged in a cavity 9 on the back surface of the operating lever 3. In addition, by the cooperation of a paw 25a, a spiral spring 27 is compressed between a spring bearing member 25 and a spring bearing plate 23; thus, the spring bearing member is pushed to slide to cause the second pivot shaft to be in contact with the inner wall surface 8a far away from the elliptical shaft hole 28 of the first pivot shaft 4.
Description
The present invention relates to be used for the locking devicen of machine containing box etc.
Real the opening of Japanese patent application disclosed locking devicen in the past in the clear 61-176375 communique, in this device, be connected on the axle supporting board that is based in one of substrate end by the base end part of first pivot action bars, and the base end part of latch arms is connected the pars intermedia of action bars by second pivot, hooking under the locking state that end hook portion before the latch arms cooperates with the cooperative end part of supporting plate, dispose first pivot and second pivot, make second pivot than also approaching substrate one side by the cooperative end part of supporting plate and the straight line of first pivot.
This device in the past, owing to possess action bars is not locked in mechanism on the substrate, so collide the leading section of action bars at other implements, is that the center is when forcing to pull on rotation and make action bars with first pivot, the cooperation of latch arms and supporting plate can be opened unintentionally, and exists wing body that hooking of fixed frame locked by the danger of sporadic releasing.
And, in this device in the past,,,, supporting plate and body lock so when failing correctly to install, can't hooking sometimes owing to do not possess the mechanism that regulates the latch arms position for the supporting plate of being installed on the wing body.
Therefore, the object of the present invention is to provide a kind of locking devicen,, also can sporadic releasing not lock, lock even how many supporting plates has to depart from also can hook with respect to body even this device has other implements to collide leading section in action bars.
Below, use describing in the accompanying drawing with reference to numbering.Locking devicen of the present invention, by first pivot 4 base end part of action bars 3 is connected on the outstanding axle supporting board 2 that is arranged at one of substrate 1 end, be connected on the pars intermedia of action bars 3 by the base end part of second pivot 6 latch arms 5, be matched with hooking under the locking state of the cooperative end part 8a of supporting plate 8 in end hook portion 7 before the latch arms 5, so that second pivot 6 is than also disposing first pivot 4 and second pivot 6 near the form of substrate 1 by the cooperative end part 8a of supporting plate 8 and the straight line of first pivot 4.
The outstanding guide plate portion 10 that the cavity portion 9 that enters action bars 3 back sides is set on the other end of substrate 1, intercalation slidably has the groove 13 of the outstanding board 12 of lockplate 11 to be located in the guide plate portion 10 along the length direction of substrate 1, the base end part of the push pedal 14 of being fixed on the lockplate 11 is disposed near the extension finger ends 3a of action bars 3, support board 15 intercalation slidably in the through hole 17 of the spring receiving plate 16 of giving prominence to the pars intermedia that is arranged at substrate 1 on the spring of end before the push pedal 14, make the helical spring 18 that is embedded in spring support board 15 bear compression between the board 16 at the end face 11a and the spring of lockplate 11, push pedal 14 slips are suppressed, so that 12 contacts of outstanding board are away from the internal face 13a of the groove 13 of first pivot 4.
The outstanding locking board of giving prominence to rear side cavity portion 9 20 that is provided with on the supporting plate 19 that is fixed in action bars 3, on the side edge part of locking board 20, be provided with for the outstanding boards 12 of lockplate 11 fasten with separate locking notch 21, end before each locking board 20, be adjacent to be provided with cam ramp portion 22 with locking notch 21, make the edge face 12a sliding-contact of the outstanding board 12 of itself and lockplate 11, so that lockplate 11 is towards sliding along groove 13 near wall 13b within first pivot 4.
Bear on the board 23 at the spring that is connected with the end of first pivot, 4 sides of supporting plate 19, vertically towards the direction of second pivot 6 spring being set draws money on credit and holds board 24, make and be embedded in the helical spring 27 that spring is supported board 24, bear compression between the board 23 at the latch bracket spare 25 and the spring that by cooperation claw 25a and the cross sectional shape that cooperates in second pivot 6 are the U font, suppress and latch bracket spare 25 slided, so that second pivot 6 contacts with internal face 28a away from the elliptical shape axis hole 28 of first pivot 4.
Substrate 1, for example be fixed on the fixed frame 29, and supporting plate 8 is fixed on the wing body 30, when 30 lockings of wing body and hook when being locked on the fixed frame 29,3 of action bars are towards substrate 1 body of one who has dropped dead by the roadside, as shown in Figure 4, second pivot 6 than the straight line of the cooperative end part 8a by supporting plate 8 and first pivot 4 also near substrate 1 one sides.The guide plate portion 10 of substrate 1 enters in the rear side cavity portion 9 of action bars 3, and it is relative with side outside the guide plate portion 10 to be fixed in the locking board 20 of the supporting plate 19 on the action bars 3.
On the outstanding board 12 of the lockplate 11 in the groove 13 that is intercalated in guide plate portion 10, cooperate the locking notch 21 of locking board 20.Each outstanding board 12 is slided away from the direction of the groove internal face 13a of first pivot 4 by helical spring 18 courts and suppresses, thus keep the cooperation of locking notch 21 and outstanding board 12 securely, and make action bars 3 keep hooking locking with respect to substrate 1.Therefore, wing body 30 is kept locking state with respect to fixed frame 29.
Remove to hook and lock and when opening the operation of wing body 30, will push first pivot 4 to along the groove 13 of guide plate portion 10 with the push pedal 14 that lockplate 11 is integral with finger and get final product.The outstanding board 12 that makes lockplate 11 slides into the opposite side of groove 13 towards internal face 13b, and outstanding board 12 breaks away from from the locking notch 21 of locking board 20, so the hooking to lock and removed of action bars 3 and substrate 1.
Therefore, push pedal 14 is remained under this state that pushes the position, finger is hooked in to be hung finger ends 3a and goes up and make action bars 3 to draw rotation in the heart in first pivot 4 being.Pushing of push pedal 14 is that the stage till action bars 3 rotates to the angle that locking notch 21 and outstanding board 12 no longer cooperate is removed.After pushing releasing, lockplate 11 is back to outstanding board 12 till wall 13a position contacting within the groove automatically by the effect of helical spring 18.
With respect to substrate 1 further upwards pull joystick 3 and second pivot 6 side before substrate 1 is moved so that its rotation, so be that tilt front end hook portion 7 meetings of latch arms 5 of rotation of center break away from from the cooperative end part 8a of supporting plate 8 with second pivot 6.According to this, the hooking to lock of 30 pairs of fixed frames 29 of wing body removed, and wing body 30 can carry out open operation by spurring this action bars 3 or other handles of preparing.
After predetermined operation ends, after the lock operation wing body 30, in case is that rotation is pushed at the center with action bars 3 with first pivot 4, before the latch arms 5 end hook portion 7 can the one side sliding-contacts on the front of fixed frame 29 board 31 one side near cooperative end part 8a, when second pivot 6 than the straight line of the cooperative end part 8a by breech lock seat 8 and first pivot 4 during also near substrate 1 side, front end hook portion 7 can be engaged on the cooperative end part 8a dearly, and wing body 30 promptly can hook fixed frame 29 and locks.
In the terminal stage that pushes rotation of this action bars 3, cam ramp portion 22 meetings of locking board 20 and the edge face 12a sliding-contact of the outstanding board 12 of lockplate 11, and make lockplate 11 towards sliding near wall 13b within first pivot 4.Push rotation when being over when action bars 3, outstanding board 12 can near with the position of the openend opposite face of locking notch 21 on, in that moment, outstanding board 12 can rely on the elastic force of helical spring 18 and automatically cooperate with locking notch 21, and 3 of action bars limit substrate 1 once more.
In addition, for the substrate on being fixed on fixed frame 29 1, when the breech lock seat 8 that is fixed in wing body 30 is in the position of leaving a little, make the helical spring 27 that is embedded in spring support board 24 bear compression between board 24 and the latch bracket spare 25 at spring, 25 slips of latch bracket spare are suppressed, so that 6 contacts of second pivot are away from the internal face 8a of the elliptical shape axis hole 28 of first pivot 4, so can make wing body 30 be able to closely contact on fixed frame 29 by the springback power of helical spring 27 to the pushing of sliding of first pivot, 4 sides of elliptical shape axis hole 28 hooking when locking this second pivot 6.
Below, accompanying drawing is carried out simple explanation.
Fig. 1 is the front view of locking state of the locking devicen of one embodiment of the invention.
Fig. 2 is the rear elevation of this locking devicen.
Fig. 3 is the right view of this locking devicen.
Fig. 4 is an A-A line sectional view among Fig. 1.
Right view when Fig. 5 is unblanking of this locking devicen.
Fig. 6 is a B-B line sectional view among Fig. 5.
Fig. 7 is a C-C line sectional view among Fig. 5.
Below, with reference to the description of drawings embodiments of the invention.
In illustrated embodiment, substrate 1 utilizes the securing members such as Screw that pass four installing holes 32 to be fixed on the wing body 30, and breech lock seat 8 utilizes the securing members such as Screw that pass two installing holes 33 to be fixed on the fixed frame 29.The axle supporting board 2 of substrate 1 is outstanding to be arranged to a pair ofly up and down, and first pivot 4 is intercalated in the base end part of pair of sidewalls board 34 at action bars 3 two ends.Second pivot 6 is intercalated in the end of pair of sidewalls board 35 at the pars intermedia of sidewall board 34 at action bars 3 two ends and latch arms 5 two ends.
Though it is in aggregates that lockplate 11 and push pedal 14 also can be made, but be that two objects will be respectively making are fixed up with spot-welded in illustrated embodiment, utilize securing member such as rivet to be linked again.Though spring receiving plate 16 also can utilize cutting to wait and substrate 1 is made in aggregates, but, in the present embodiment, spring receiving plate 16 and substrate 1 are made respectively, the locating hole 37 of spring receiving plate 16 is entrenched in after the locator protrusions portion 36 of substrate 1, utilizes Screw 38 that spring receiving plate 16 is locked on substrate 1.
Though it is in aggregates that supporting plate 19 and action bars 3 also can be made, still, be with spot-welded in the present embodiment with two objects of making respectively.The finger stop board 14a of wide cut is set to back side lateral bending in push pedal 14 bently.On cross sectional shape is the latch bracket spare 25 of U font, be provided with and cooperate claw 25a, and be engaged in first pivot, one side of second pivot 6, on the bottom surface sections of latch bracket spare 25 base end parts, be connected with guide plate 25b, be entrenched in movably again in the guide hole 26 of being located at supporting plate 19.
Locking devicen of the present invention as previously discussed, with first pivot 4 base end part of action bars 3 is connected on the axle supporting board 2 of an end of substrate 1, the base end part of latch arms 5 is connected the pars intermedia of action bars 3 by second pivot 6, make the outstanding board 12 of the lockplate 11 in the groove 13 of the guide plate portion 10 that is intercalated in substrate 1, be engaged on the locking notch 21 of locking board 20 of the supporting plate 19 that is fixedly set on the action bars 3, the slip of this cooperation dependence compression helical spring 18 is suppressed and is kept, action bars 3 can be locked on the substrate 1 thus, because the push pedal 14 as the cooperations usefulness of removing this lockplate 11 and supporting plate 19 is configured in the cavity portion 9 at action bars 3 back sides, so can not take place sporadic releasing to occur and hook the situation of locking because of the collision of other objects etc. lifts action bars 3 to rotate.
In addition, with respect to the substrate 1 that is fixed on the fixed frame 29, when the supporting plate 8 that is fixed in wing body 30 is in the position of leaving a little, also can make and be embedded in the helical spring 27 that spring is supported board 24, relying on the latch bracket spare 25 and the spring that cooperate claw 25a to cooperate to bear compression between the board 23 with second pivot 6, so that second pivot 6 contacts like that with internal face 8a away from the oval axis hole 28 of first pivot 4,25 slips are suppressed to latch bracket spare, so this second pivot 6 slides to first pivot, 4 one sides of elliptical shape axis hole 28 when locking hooking, and by the springback power of helical spring 27 wing body 30 is closely contacted with fixed frame 29.
Claims (1)
1. locking devicen, by first pivot (4) base end part of action bars (3) is connected on the outstanding axle supporting board (2) that is arranged at one of substrate (1) end, the base end part of latch arms (5) is connected the pars intermedia of action bars (3) by second pivot (6), latch arms (5) before end hook portion (7) and breech lock seat (8) cooperate hooking under the locking state that not-go-end portion (8a) cooperates, so that second pivot (6) is than also disposing first pivot (4) and second pivot (6) near substrate (1) one side by the cooperative end part (8a) of breech lock seat (8) and the straight line of first pivot (4), it is characterized in that: in the outstanding guide plate portion (10) that is provided with in the cavity portion (9) that enters action bars (3) back side in the other end of substrate (1), the groove (13) of the outstanding board (12) of intercalation jam plate (11) is located in the guide plate portion (19) along the length direction of substrate (1) slidably, the extension finger ends that the base end part that will be fixed in the push pedal (14) on the jam plate (11) approaches action bars (3) disposes (3a), with push pedal (14) before the spring of end support in the through hole (17) of the spring receiving plate (16) of board (15) intercalation slidably on the outstanding pars intermedia that is arranged at substrate (1), make end face (11a) and the spring of helical spring (18) that is embedded in spring support board (15) bear compression between the board (16) in jam plate (11), suppress push pedal (14) and slide, so that outstanding board (12) contact is away from the internal face (13a) of the groove (13) of first pivot (4); Go up the outstanding outstanding locking board (20) that is provided with at the supporting plate that is fixed in action bars (3) (19) to rear side cavity portion (9), side edge part setting and outstanding board (12) fastening of jam plate (11) or the locking notch (21) that breaks away from locking board (20), end and locking notch (21) are adjacent to be provided with cam ramp portion (22) before at each locking board (20), and make edge face (12a) sliding-contact of the outstanding board (12) of itself and jam plate (11), so that jam plate (11) slides along groove (13) towards the internal face (13b) near first pivot (4); The spring receiving plate (23) that is connected with the end of first pivot (4) one sides of supporting plate (19) go up vertical and towards the direction of second pivot (6) spring support board (24) is set, be embedded in the helical spring (27) that spring is supported board (24) and make, bearing compression between the board (23) by latch bracket spare (25) and the spring that cooperates claw (25a) to be matched with on second pivot (6), latch bracket spare (25) slided suppress, so that second pivot (6) contacts with internal face (28a) away from the elliptical shape axis hole (28) of first pivot (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96104553 CN1068653C (en) | 1996-04-01 | 1996-04-01 | Latch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96104553 CN1068653C (en) | 1996-04-01 | 1996-04-01 | Latch assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1160805A CN1160805A (en) | 1997-10-01 |
| CN1068653C true CN1068653C (en) | 2001-07-18 |
Family
ID=5118385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96104553 Expired - Fee Related CN1068653C (en) | 1996-04-01 | 1996-04-01 | Latch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068653C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100366928C (en) * | 2003-10-10 | 2008-02-06 | 虹光精密工业（苏州）有限公司 | Self-locking type hinge device and multifunctional integrated machine using the same |
-
1996
- 1996-04-01 CN CN 96104553 patent/CN1068653C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1160805A (en) | 1997-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3410092B2 (en) | Security equipment | |
| CN2800351Y (en) | Computer case | |
| JPH06221042A (en) | Latch | |
| JPH09510516A (en) | Fusible actuating type final tightening bolt assembly with final tightening mechanism | |
| CN1068653C (en) | Latch assembly | |
| CN100469999C (en) | Latch | |
| CN1010964B (en) | Lockup device with closed block | |
| CN1303301C (en) | Safety lock for household doors and similar | |
| EP1957731B1 (en) | Control roller mechanism-activator | |
| CN1195144C (en) | Lock apparatus for emergency door of station platform safety grid | |
| CN1014441B (en) | Retaining member, specially for sliding wings | |
| CN1154779C (en) | Card locking device | |
| CN1069731C (en) | Locking device keeping in unlocked position | |
| US6196507B1 (en) | Clamp assembly for pick-up truck topper | |
| CN1069944C (en) | Latch assembly for sliding doors | |
| CN1330200A (en) | Lock with sliding shackle | |
| CN1088786C (en) | Latch assembly for door handle | |
| JPH07135Y2 (en) | Rail mounting bracket | |
| CN1093209C (en) | Latch assembly for padlocks | |
| CN1077196C (en) | Dual fitting fastener assembly | |
| CN1253064A (en) | Plane handle | |
| JPH02229376A (en) | Bonnet lock device | |
| JP3105424B2 (en) | Pivot hinge | |
| CN1499029A (en) | Plane handle device | |
| CN1222626A (en) | Latch assembly for door locking handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |