CN1138132A - Latch assembly to be held in unlocked position - Google Patents
Latch assembly to be held in unlocked position Download PDFInfo
- Publication number
- CN1138132A CN1138132A CN96104988A CN96104988A CN1138132A CN 1138132 A CN1138132 A CN 1138132A CN 96104988 A CN96104988 A CN 96104988A CN 96104988 A CN96104988 A CN 96104988A CN 1138132 A CN1138132 A CN 1138132A
- Authority
- CN
- China
- Prior art keywords
- tightening latch
- securing rod
- spring
- box body
- operating portion
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 description 3
- 230000003042 antagnostic effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/06—Locks or fastenings for special use for swing doors or windows, i.e. opening inwards and outwards
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
- E05B63/185—Preventing actuation of a bolt when the wing is open
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Patch Boards (AREA)
Abstract
The invention is to restrain a latch bolt surely in an unlocking position. A latch bolt received in a case is slidably urged in the direction of engaging the fixed frame body side lock hole by a spring. A lock lever received in a slit groove of the latch bolt is supported by the latch bolt to rotatably go in and out of the slit groove and urged by the spring in the direction of plunging the tip part into the slit groove. A case is provided in the front face part with a key hole along the direction of moving an operating part of the lock lever. When the latch bolt is slid backward to the unlocking position by pushing the operating part of the lock lever with an operating projection of a key, the tip end face 8a of the lock lever is adapted to abut against the hole edge of the lock hole.
Description
The present invention relates to accommodate the locking devicen (latch assembly) that the fixed frame of case etc. is lived door lock with respect to electric machine.
The existing locking devicen that fixed frame is lived door lock, in the box body that is fixed on door, accommodate tightening latch (latch bolt) sliding freely, establish lock hole on the fixed frame side, with spring tightening latch is flexibly suppressed to the direction that is fastened on this lock hole, from the front face side of door revolution lever handles or turn-button etc. tightening latch is retreated and slide into lockset position of coupler, the open operation of door remains in tightening latch under the state of lockset position of coupler.
Higher door need pin door at number place, but is being open into before the last locking devicen, in fact can not grasp the bar handle of several open earlier locking devicens or turn-button to keep tightening latch in lockset position of coupler by a people.
And the operating portion of tightening latch protrudes in the front face side space of box body, and therefore, by the third party's evil burlesque and wrongly the danger of unlock operation tightening latch is very high.
Therefore, purpose of the present invention is to provide a kind of locking devicen, and it can simplify the spring structure, can simple operations can correctly keep tightening latch in the time of lockset position of coupler, can reduce the random operational lock bar of the third party significantly and improper danger of unblanking.
Now use the element number in the accompanying drawing to be described as follows.The locking devicen that remains in lockset position of coupler of the present invention, tightening latch 6 is contained in the box body 2 that is fixed on door 1, suppressing tightening latch 6 with spring 3 slides to the direction of the lock hole 5 that is fastened on solid framework 4 sides, prop up with the revolution state freely that haunts and be held in tightening latch 6 being contained in securing rods 8 in the ditch portion 7 of tightening latch 6, suppress securing rod 8 with aforementioned spring 3 and make submerge the directions revolution in the ditch portion 7 of its first end, establish operating portion 11 at securing rod 8, in the front face side of box body 2 along the moving direction of the operating portion 11 of securing rod 8 and establish microscler keyhole 40 in the front face side of this operating portion 11, operating portion 11 with the operation projection 39 urge lock bars 8 of the key 38 that is inserted from this keyhole 40, tightening latch 6 is retreated when sliding into lockset position of coupler, the front end face 8a retaining of securing rod 8 is connected to the 5a of bore edges portion of lock hole 5.
When door 1 was opened, the leading section of tightening latch 6 was outstanding from box body 2, and the leading section of securing rod 8 is contained in the ditch portion 7 of tightening latch 6.When closing direction turnstile 1, tightening latch 6 turns round terminal part at it under this state, and cam ramp 12 retainings of leading section are connected to the 4a of edge of opening portion of fixed frame 4 or are fixed on the guide plate of the 4a of edge of opening portion.Door 1 continues to close when revolution again, push by the 4a of edge of opening portion or guide plate cam ramp 12 tightening latch 6 antagonistic springs 3 elastic pressure and once stepping back in box body 2.
Return back to moment of full close position at door 1, tightening latch 6 is because the slip elastic pressure of spring 3 and outstanding from box body 2, as shown in Figure 5, be fastened on fixed frame 4 lock hole 5 and with door lock due to fixed frame.In this latched position, securing rod 8 is according to the elasticity rotation pressure of spring 3, keeps its leading section to be contained in state in the ditch portion 7 of tightening latch 6.
Desire to unblank and open this time, the operation of key 38 is connected to the side of the operating portion 11 of securing rod 8 with projection 39 retainings, laterally spurs key 38, because of the elastic pressure of antagonistic spring 3, securing rod 8 is retreated slip with tightening latch 6, make the lock hole 5 of the leading section disengaging fixed frame 4 of tightening latch 6.When the terminal of the back operation of this tightening latch 6, depress operating portion 11 to oblique side, make securing rod 8 revolutions, its leading section is outstanding from the ditch portion 7 of tightening latch 6.
When keeping this outstanding state, reduce the strength that is added in key 38, tightening latch 6 is some because of the elastic pressure of spring 3 advances, and as shown in Figure 6, the front end face 8a of securing rod 8 retaining is connected to the 5a of bore edges portion of the lock hole 5 of fixed frame 4.Because this retaining connects, tightening latch 6 remains on the position that its leading section no longer fastens, and promptly remains on lockset position of coupler.
Below in conjunction with drawing explanation embodiment, among the figure:
The ground plan of Fig. 1 during for the lock-out state of the locking devicen that remains in lockset position of coupler of one embodiment of the invention, among the figure for inserting the state of key.
Fig. 2 is the left surface figure of this locking devicen, is the state of insertion key in box body among the figure.
Fig. 3 is the front view of this locking devicen, is the state of extracting key from box body among the figure.
Fig. 4 is the employed key front view of this locking devicen.
Fig. 5 is the horizontal sectional drawing of tightening latch when latched position of this locking devicen, is the insertion state for key among the figure.
Fig. 6 remains on the sectional drawing of lockset position of coupler state for the tightening latch of this locking devicen.
From Fig. 1 to the embodiment shown in Figure 6, be provided with the leading section of the tightening latch 6 of cam ramp 12, the peristome 14 of portion 13 of facing the wall and meditating from the left side of box-shaped box body 2 haunts, double as elasticity pushing tightening latch 6 slides and the spring 3 of elasticity urge lock bar 8 revolution usefulness is made of compression helical spring, one end of spring 3 is flush-mounted in the spring base portion 9 of circular cone shape of the base end part right flank of securing rod 8, and the other end of spring 3 is flush-mounted in the face the wall and meditate spring base portion 10 that slightly is circular cone shape of portion 16 of the right side of box body 2.Front side wall portion 17 guidance that the tabular operating portion 11 that is integrally formed in securing rod 8 is inserted in box body 2 crack in (the guide slot) 18.There is chimeric stationary housings 41 in the front side wall portion 17 of box body 2, and keyhole 40 is located on this outer cover 41.This outer cover 41 constitutes with box body 2 one also can.
Be provided with OBL guidance protrusion 44 around the keyhole 40 of outer cover 41, the both sides of the operation projection 39 of tabular key 38 are formed with the recess 43 that this protrusion 44 enters.The operation projection 39 of key 38 is provided with to be strengthened with rib 42.There is the prominent axial region 21 of establishing section semicircular in shape shape the side up and down of the base end part of securing rod 8 on the extension of operating portion 11.In the pars intermedia front of tightening latch 6, be positioned at ditch portion 7 bottom surface 7a the place ahead and be provided with the bearing ditch 22 that section is the U word shape.The aforementioned axial region 21 of securing rod 8 is embedded in this bearing ditch 22, and therefore, securing rod 8 moves with tightening latch 6 one advance and retreat, and tightening latch 6 is supported with freely rotating.
Side up and down at the pars intermedia of operating portion 11, what be equipped with that section is circular shape stops projection 23, respectively stop the inner face shoulder 27 of inner face shoulder 25 and lower wall portion 26 that projection 23 is fastened on the upper wall portion 24 of box body 2, stop the axial region 21 of securing rod 8 to break away from the bearing ditch 22 of tightening latches 6 in view of the above.
As shown in Figure 5, when the leading section of securing rod 8 submerges in the ditch portion 7 of tightening latch 6, decide the origin of force of the spring base portion 9 of bar 8 sides, for the straight line at axial region 21 centers of the origin of force of the spring base portion 10 that links box body 2 sides and securing rod, be positioned at the position of front face side, so the revolution elastic force pressure that elastic force caused of spring 3 acts on and keeps the submerge direction of state of securing rod 8 leading sections.
As shown in Figure 6, the leading section of securing rod 8 is from the ditch portion 7 of tightening latch 6 when outstanding, the origin of force of the spring base portion 9 of securing rod 8 sides, on the straight line at axial region 21 centers of the origin of force of the spring base portion 10 that links box body 2 sides and securing rod 8, or in back side with respect to this straight line, therefore, spring 3 the revolution elastic force pressure that elastic force caused, act on the direction of keeping the outstanding state of securing rod 8 leading sections.Under this outstanding state, the leading section of securing rod 8, retaining is connected to the back of front side wall part 17a in the stage of stepping back of box body 2.
That is, spring 3 works with the spring of so-called dead point (dead point) mechanism, makes tightening latch 6 when projected direction slides, makes securing rod 8 to not having the revolution of Inbound or projected direction corresponding to moving of origin of force.For the posture of control spring 3 so that make the mobile phase of origin of force of spring 3 more clear and definite for securing rod 8, the base portion of the spring base portion 9 of securing rod 8 sides up and down diametric(al) be provided with prominent bar 20, the end of spring 3 is positioned at this above prominent bar 20.Spring 3 is inserted in the through hole 37 of tightening latch 6.
And, different with present embodiment, when the leading section of securing rod 8 is given prominence to from the ditch portion 7 of tightening latch 6, the origin of force of the spring base portion 9 of securing rod 8 sides is set for, for the straight line at the center of the axial region 21 of the origin of force of the spring base portion 10 that links box body 2 sides and securing rod 8, when being positioned at front face side, the revolution that elastic force caused of spring 3 is logical compels the direction that masterpiece is used to make the leading section of securing rod 8 to submerge, but the front end face 8a of securing rod 8 is fastened on the 5a of bore edges portion of fixed frame 5 at this moment, hindered by the 5a of this bore edges portion, therefore, securing rod 8 can be to not having the Inbound revolution.
When tightening latch 6 advanced to latched position, the operating portion 11 of the securing rod 8 that one is advanced was connected to the guidance 18a that cracks at left surface 11a retaining, and portion 13 faces the wall and meditates in the left side that stop shoulder 19 retainings of the front of tightening latch 6 are connected to box body 2.When tightening latch 6 retreated to lockset position of coupler, the right flank 11b of operating portion 11 retaining was connected to crack 18 right internal face 18b of guidance.
In the various embodiments described above, box body becomes the state of splitting of first half 2a and Lower Half 2b by plastic cement, and first half 2a and Lower Half 2b are linked by the linking belt board 15 of back side portion.On first half 2a and the side's of Lower Half 2b jointing end face, be formed with and engage, be formed with in the opposing party's same position and engage with projection 29 with recess 28 from linking belt board 15 position farthest.The first half 2a and the Lower Half 2b that are lumped together by 15 bendings of linking belt board keep become closure state with recess 28 with the fastening of projection 29 by means of aforementioned joint.
The spring base portion 10 of box body 2 sides also is divided into two parts and constitutes, when as above-mentioned closure, the 10b of spring base portion of the 10a of spring base portion of first half 2a side and Lower Half 2b side is closed into section and is roughly toroidal, there is the end of compression helical spring 3 to be embedded in this, therefore, stop the first half 2a of box body 2 and separating of Lower Half 2b.Side up and down at tightening latch 6 is formed with guide channel 30, and in the upper wall portion 24 and the lower wall portion 26 of box body 2, direction is provided with the prominent bar 31 of the guidance that is fastened on this guide channel 30 to the left and right.
At the upper wall portion 24 of box body 2 and the pars intermedia of lower wall portion 26, be formed with installation board 32 and installation board 33 to the front face side up-wards inclination, at each board 32,33 leading sections are installed and are provided with stair-stepping fastening projection 34,35.Insert box body 2 in the receiver hole 36 of door 1 time from front face side, installation board 32,33 up and down is center and elastic deformation a little to the inside with the base portion of rear end side, when front side wall portion 17 retainings of box body 2 are connected to the front of door 1, board 32,33 is installed is elastic recovery, the fastening projection 34,35 of leading section is fastened on the back of door 1, stops the disengaging of box body 2.
As above-mentioned, locking devicen of the present invention, outstanding and prop up with revolution state freely and to be held in tightening latch 6 with being contained in securing rods 8 in the ditch portion 7 of tightening latch 6, its leading section is submerged or give prominence to the direction revolution of ditch portion 7 with spring 3 elasticity urge lock bars 8, establish operating portion 11 at securing rod 8, be provided with operating portion 11 at tightening latch 66, tightening latch 6 is retreated when sliding into lockset position of coupler, the front end face 8a retaining of securing rod 8 is connected to the 5a of bore edges portion of lock hole 5, therefore, can keep tightening latch 6 in lockset position of coupler really, a people also can carry out the open operation of unblanking of the door that uses several locking devicens arranged side by side simply.The slip of tightening latch 6 is suppressed to suppress with spring with the revolution of spring and securing rod 8 and is made of single spring, therefore can simplify internal structure, can be simply and cheap the implementation make and assemble.
And, locking devicen of the present invention, in the front face side of box body 2 along the moving direction of the operating portion 11 of securing rod 8 and establish microscler keyhole 40 in the front face side of this operating portion 11, operating portion 11 with the operation projection 39 urge lock bars 8 of the key 38 that is inserted from this keyhole 40, tightening latch 6 is retreated slide into lockset position of coupler, therefore, the situation that protrudes in box body front face side space with the operating portion of securing rod is different, thereby can lower the third party with standard key causes the locking devicen of unblanking wrongly because of the random operational lock bar of mischief danger significantly.
Claims (1)
1, a kind of locking devicen that remains in lockset position of coupler, tightening latch (6) is contained in the box body (2) that is fixed on door (1), slide to the direction of the lock hole (5) that is fastened on fixed frame (4) side with spring (3) elasticity pushing tightening latch (6), the interior securing rod (8) of ditch portion (7) that will be contained in tightening latch (6) props up with the turn state that can haunt and is held in tightening latch (6), press securing rod (8) to make submerge the direction revolution in the ditch portion (7) of its leading section with aforementioned spring (3) elasticity, establish operating portion (11) at securing rod (8), in the front face side of this operating portion (11) microscler keyhole (40) is set along the moving direction of the operating portion (11) of securing rod (8) in the front face side of box body (2), operating portion (11) with operation projection (39) the urge lock bar (8) of the key (38) that is inserted from this keyhole (40), tightening latch (6) is retreated when sliding into lockset position of coupler, front end face (8a) retaining of securing rod (8) is connected to the bore edges portion (5a) of lock hole (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7156993A JP2687107B2 (en) | 1995-05-31 | 1995-05-31 | Unlocking position restricted type latch device |
| JP156993/95 | 1995-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1138132A true CN1138132A (en) | 1996-12-18 |
| CN1081277C CN1081277C (en) | 2002-03-20 |
Family
ID=15639837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96104988A Expired - Lifetime CN1081277C (en) | 1995-05-31 | 1996-04-16 | Latch assembly to be held in unlocked position |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2687107B2 (en) |
| KR (1) | KR0131801Y1 (en) |
| CN (1) | CN1081277C (en) |
| TW (1) | TW341269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952367A (en) * | 2017-05-27 | 2018-12-07 | 山东新北洋信息技术股份有限公司 | Containing box |
| CN110439388A (en) * | 2019-08-16 | 2019-11-12 | 河源市亿金金属科技有限公司 | A kind of dish lock |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100865185B1 (en) * | 2007-03-23 | 2008-10-23 | 이상용 | The door the system which locks |
| WO2014129679A1 (en) * | 2013-02-21 | 2014-08-28 | 동아대학교 산학협력단 | Automatically-opening door lock having built-in shape memory elastic body and safe door comprising same |
| CN106401317B (en) * | 2016-12-02 | 2018-08-21 | 东莞市景瑜实业有限公司 | A kind of A018 luggage combination locks |
| CN112746779A (en) * | 2019-10-30 | 2021-05-04 | 黄远安 | Anti-theft electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01250573A (en) * | 1988-03-31 | 1989-10-05 | Kokusan Kinzoku Kogyo Co Ltd | Electric door lock |
| JPH06299749A (en) * | 1993-04-19 | 1994-10-25 | Nippon Rotsukusaabisu:Kk | Lock device |
-
1995
- 1995-05-31 JP JP7156993A patent/JP2687107B2/en not_active Expired - Fee Related
- 1995-09-05 TW TW084212813U patent/TW341269U/en unknown
- 1995-11-14 KR KR2019950033374U patent/KR0131801Y1/en not_active IP Right Cessation
-
1996
- 1996-04-16 CN CN96104988A patent/CN1081277C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952367A (en) * | 2017-05-27 | 2018-12-07 | 山东新北洋信息技术股份有限公司 | Containing box |
| CN108952367B (en) * | 2017-05-27 | 2021-01-19 | 山东新北洋信息技术股份有限公司 | Storage box |
| CN110439388A (en) * | 2019-08-16 | 2019-11-12 | 河源市亿金金属科技有限公司 | A kind of dish lock |
| CN110439388B (en) * | 2019-08-16 | 2024-06-11 | 河源市亿金金属科技股份有限公司 | Dish lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1081277C (en) | 2002-03-20 |
| JPH08326384A (en) | 1996-12-10 |
| KR0131801Y1 (en) | 1998-12-15 |
| JP2687107B2 (en) | 1997-12-08 |
| TW341269U (en) | 1998-09-21 |
| KR960037699U (en) | 1996-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20020320 |
|
| EXPY | Termination of patent right or utility model |