CN105189891A - Latch bolt and latch assembly - Google Patents
Latch bolt and latch assembly Download PDFInfo
- Publication number
- CN105189891A CN105189891A CN201480009056.1A CN201480009056A CN105189891A CN 105189891 A CN105189891 A CN 105189891A CN 201480009056 A CN201480009056 A CN 201480009056A CN 105189891 A CN105189891 A CN 105189891A
- Authority
- CN
- China
- Prior art keywords
- latch bolt
- bolt
- face
- latch
- tip part
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0006—Devices for aligning wing and frame; Anti-rattling devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B55/00—Locks in which a sliding latch is used also as a locking bolt
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/10—Locks or fastenings for special use for panic or emergency doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/007—Devices for reducing friction between lock parts
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Lock And Its Accessories (AREA)
Abstract
A latch bolt (1) comprises a front releasing face (6) for engaging a keep when the latch bolt (1) is in a latching position to effect latching and a rear latch face (5) which includes a distal portion (5B) that is inclined to provide a taper towards a distal end(11) of the latch bolt. The rear latch face (5) has a ridged portion (14) that extends outwardly towards the distal end (11) of the bolt partway between the top and bottom of the bolt and projects further outward from the rear latch face (5) than the remaining part of the rear latch face (5).
Description
Technical field
The present invention relates to latch bolt and the latch assembly comprising such latch bolt.The present invention especially, but not exclusively relates to the latch assembly being called as " meeting an urgent need " locking and arranging.
Background technology
As everyone knows, door provides emergent locking arrange and people can be made to open door, such as, by the mode of pressing across the frizzen installed inside door.By vertically extending to the check lock lever of header and bottom from frizzen region, and/or by extending to the latch bolt of doorframe in side at At The Height roughly the same with frizzen, can locking door.Need a mechanism, cause the pressing to bar, thus unclamp check lock lever and/or latch bolt.Usually, this latch bolt is elastically biased toward the locked position to extending, and wherein in this position, this latch bolt is in locator, and before lock bolt, the face of unclamping can engage with locator, opens to prevent door; When pressing active bar, this lock bolt can overcome fexible bias pressure, is retracted to the position of its no longer hinged retainer; Equally, close door, and described latch bolt is when the position that it extends, rear lock bolt face engages door scraper plate or the similar item ideally of this latch bolt, and therefore overcome its fexible bias pressure and push retracted position, thus make this latch bolt pass the leading edge of locator from gateway, and after this move into its extended position, and this latch bolt is in this locator.It is desirable that the motion of this latch bolt is continuous print and level and smooth.
Summary of the invention
The object of this invention is to provide the latch bolt of improvement, when wherein present dynasty's locator returns, this latch bolt is convenient to retract.
Another object of the present invention is to provide a kind of latch assembly, and it comprises such latch bolt.
According to the present invention, a kind of latch bolt is provided, it unclamps face and rear lock bolt face before comprising, when this latch bolt is at locked position, face of unclamping before this is for hinged retainer, to produce locking effect, this rear lock bolt face comprises tip part, this tip part tilts, attenuate with the distal end towards lock bolt, wherein this rear lock bolt mask has ridge part, and the center of this ridge part between the top and bottom of bolt stretches out towards the distal end of bolt, and outwardly must be more farther than the remainder in rear lock bolt face from rear lock bolt face.
Having been found that by providing outward extending ridge part on rear lock bolt face, when present dynasty's locator returns, being convenient to the level and smooth retraction of this latch bolt.
Should be appreciated that, this bolt is arranged on door side usually, and this rear lock bolt face is placed in perpendicular.Wherein, " top " and " bottom " of application bolt locates so usually, and however, bolt of the present invention may use certainly in other orientation.Equally, should be appreciated that, in this specification, " front " (front) face of this latch bolt is considered to when door or similar item are opened, usually towards the face of the direction of motion of lock bolt, and and (rearface) is considered to when door or similar closedown below, usually towards the face of the direction of motion of lock bolt.
The center of ridge part preferably roughly between the top and bottom of bolt stretches out towards distal end.
This ridge part is preferably bending cross section.Then, along with bolt returns towards this locator, this latch bolt can contact for a single point with locator, and this promotes the level and smooth retraction of bolt.This bending cross section is preferably symmetrical about center line.Preferably, bending is continuous print.
Preferably, bending is level and smooth.
Preferably, the part in the lock bolt front on the either side of ridge part is general planar.Part on the opposition side of the same parts of ridge part is preferably coplanar.
This ridge part preferably extends to the tip edge of this latch bolt.
This lock bolt face can have tabular surface, and this tabular surface is roughly positioned at single plane, but in preferred structure, this lock bolt mask has root to divide and tip part, and this tip part is to root portions incline, and the face of unclamping attenuates forward.This tip part is preferably being locked in the plane of the direction of motion inclination between released position to latch bolt at it.
This root divides preferably in the plane being parallel to the direction of motion of this latch bolt between its locking and released position.This ridge part preferably the root in lock bolt face divide with tip part at least partially on stretch out.This ridge part preferably extends in the whole length of the tip part in lock bolt face.The whole length that this ridge part can divide at the root in lock bolt face extends.
Within the scope of the invention, this ridge part comprises multiple independent ridge part, and it can be the relation of end-to-end alignment, but by reference to the accompanying drawings, in a preferred embodiment, this ridge part is continuous print.
Specific according to the present invention and have superiority feature, face of unclamping before this is given prominence to forward along its top and bottom section further than the region between them.Utilizing this setting, contributing to smoothly unclamping of when retracting from locator latch bolt, even if be also like this when unclamping and be applied with some pressure in the face of locator before described, especially in case of emergency may produce this pressure when unclamping lock bolt.
Face of unclamping before this is preferably generally spill, to provide top outstanding forward further and bottom edge region.In this case, before this, the face of unclamping can have level and smooth profile.
Before this, the face of unclamping can have root and divides and tip part, and this tip part to root portions incline and backwards lock bolt face attenuates.This tip part is preferably being locked in the plane of the direction of motion inclination between released position to latch bolt at it.This root divides preferably in the plane being parallel to the direction of motion of latch bolt between its locking and released position.The region that the tip part of unclamping face before this is preferably compared between them along its top and bottom edge region is given prominence to forward further.The root unclamping face before this divides the region preferably compared between them along its top and bottom edge region to give prominence to forward further.
Preferably, the thickness that the root of this latch bolt divides is roughly constant, and tip part is divided from root and attenuated to tip edge.The junction that the tip part in rear lock bolt face and root divide and/or front unclamp face tip part and the region of the plane of junction that can divide at tip part and the root of latch bolt of the intersection that divides of root in.
This latch bolt may further include mounting portion, and this mounting portion extends in the direction of the tip part away from latch bolt, to fix this latch bolt, thus makes it between its locking and released position, carry out linear movement.This mounting portion can comprise rearwardly projecting bolt head, for guaranteeing that described bolt maintains the alignment wanted.
Usually, it is most economical that latch bolt carries out manufacturing with entirety, but should be appreciated that, this latch bolt can be linked together by multiple independent parts and make.
The present invention further provides the latch bolt in this definition, and for making latch bolt be retracted to the mechanism of released position from locked position.This latch bolt can be fixed and between locking and released position, carry out linear movement to make it.The locator of engages latch bolt in use can be provided further.This latch bolt can adopt any form of above-mentioned restriction.
This latch bolt especially, but not exclusively, in arranging for " meeting an urgent need " locking.
Accompanying drawing explanation
By reference to the accompanying drawings, embodiments of the invention are described, wherein:
Fig. 1 is the isometric view of the shuttle unit block (comprising latch bolt) of emergent latch assembly;
Fig. 2 is the zoomed-in view of latch bolt;
Fig. 3 is the end-view of latch bolt; And
Fig. 4 is the upward view of latch bolt.
Detailed description of the invention
First see Fig. 1, which show the latch bolt 1 being fixed to shuttle unit 2, this shuttle unit forms the parts of the latch assembly that the emergent locking on door is arranged.
Usually, this latch assembly is fixed on the side of door, and is driven by the frizzen that the inner side that door is crossed in pressing is fixed.At the first locked position of shuttle unit 2, this latch bolt 1 from the lateral edges of door outwardly, and is received in locator.Shuttle unit 2 and latch bolt 1 are biased into such position by spring 3A and 3B: if the power applied trends towards opening described door, before bolt 1, the face of unclamping engages this adjacent retainer member, and the joint unclamping face and locator before this makes door be maintained in its closed position.During pressing frizzen, the mechanism of this latch assembly makes shuttle unit 2 retract to side with the linear direction of the axle being parallel to spring 3A and 3B of this latch bolt 1 of retracting, and withdraws from this locator, thus door is opened.After opening, this door can be closed, and is closed along with door, and the rear lock bolt face of the latch bolt 1 that the direction of motion to latch bolt tilts is bonded on the strike plate on doorframe projectedly, thus makes latch bolt 1 overcome its fexible bias pressure to move to retracted position; Once this latch bolt is alignd with the groove in locator, due to its fexible bias pressure, this latch bolt will outwards move in locator.This latch assembly is known, although and in accompanying drawing, illustrate a kind of shuttle unit of concrete form, should be appreciated that, other conventional or unconventional mechanism can be used, because the character of these mechanisms is not correlated with for purposes of the invention especially.On the contrary, special characteristic of the present invention relates to the shape of latch bolt, and present composition graphs 2 to 4 is described by the mode of embodiment.
This latch bolt 1 can manufacture with entirety, and has rear lock bolt face 5, frontly unclamps face 6, top 7, bottom 8, distal end 11 and butt 12, and this butt 12 has rearwardly projecting bolt head 13 to guarantee that this bolt aligns installation exactly.This butt 12 is received in, and is fixed in the groove of the coupling of shuttle unit 2.This rear lock bolt face 5 is divided into root and divides 5A and tip part 5B.Similarly, unclamp face 6 before this to be divided into root and to divide 6A and tip part 6B.Illustrate as Fig. 4 is the clearest, this root divides 5A and 6A parallel to each other, and is parallel to the direction of motion of this latch bolt between its locking and released position, but attenuates towards inclining towards each other along its tip part 5B and 6B to distal end 11.
Rear lock bolt face 5 is provided with ridge 14, and the mid point of this ridge 14 between the top 7 and bottom 8 of bolt from face 5 outwardly, and extends continuously along the entire length of described.Ridge 14 is smoothly and cross section bending continuously.This bending cross section is symmetrical about center line.This rear lock bolt face 5A and 5B is part on the opposition side of the same parts of smooth and described ridge 14 away from the part of ridge is coplanar.
Before to unclamp face 6 be spill bending smoothly, to provide top and bottom edge region, it is given prominence to forward further than the region between them.Fig. 3 clearly show that this bends the most, and wherein this root visible divides the curvature of 6A, and wherein Reference numeral 16,17 indicates fringe region outstanding forward.Should be appreciated that, tip part 6B is provided with identical spill, as can be seen from observing Fig. 2 nearby.
During use, when the door of fixing latch assembly is in the locked position of closedown, if applying power is to open this door, this latch bolt unclamps face 6 hinged retainer in locator and before this latch bolt.If such as, in case of emergency, pressing frizzen, so this latch bolt shifts out from this locator.In this motion, the tip part 6B unclamping face 6 slips over adjacent retainer member.This fringe region 16 and 17 unclamping face 6 engages this locator, and makes latch bolt 1 maintain correct orientation, and this tip part 6B unclamping face tilts also to produce power to the direction of motion of latch bolt, and this power is tending towards latch bolt is retracted.Even if having been found that pressure is applied to door from test, by the spill of bolt, also reduce and latch bolt 1 is retracted required power.After opening, when door is closed, the rear lock bolt face 5 of this latch bolt 1 is bonded on the strike plate on doorframe projectedly, thus makes latch bolt 1 overcome its fexible bias pressure, moves to retracted position; Once this latch bolt 1 is alignd with the groove of locator, due to its fexible bias pressure, this latch bolt 1 outwards moves in locator.The level and smooth protrusion joint of described latch bolt 1 is convenient in the inclination of the ridge 14 on the rear lock bolt face 5 of described latch bolt 1 and the tip part 5B in lock bolt face 5.
Therefore, as mentioned above, by making latch bolt 1 be provided with front and back 6 and 5, the reliability of the locking of bolt during retraction and the door closedown of bolt when door is opened is improved.
When above-mentioned the present invention combine emergent locking setting be described time, those skilled in the art is understood that this latch bolt may be used for other locking.
In the above description, mentioned known entirety or element are obvious for predictable equivalent, and this equivalent is merged as illustrating separately at this.Claim is used for determining true scope of the present invention, and it should be interpreted as comprising any this equivalent.Reader is to be understood that the present invention is described to preferably, favourable or overall or be characterized as selectable easily, and the scope of unrestricted independent claims.
Claims (22)
1. a latch bolt, it unclamps face and rear lock bolt face before comprising, face of unclamping before described is for engaging a locator when described latch bolt is on locked position, to realize locking effect, described rear lock bolt face comprises tip part, this tip part tilts, to provide towards the taper of the distal end of described latch bolt, wherein said rear lock bolt mask has ridge part, the center of this ridge part between the top and bottom of described bolt stretches out towards the distal end of described bolt, and obtain farther from described rear lock bolt face towards outer process than the remainder in described rear lock bolt face.
2. latch bolt according to claim 1, is characterized in that, the approximate center place of described ridge part between the top and bottom of described bolt stretches out towards distal end.
3. latch bolt according to claim 1 and 2, is characterized in that, described ridge part has bending cross section.
4., according to the latch bolt above described in any one claim, it is characterized in that, the part in the rear lock bolt face on any side of described ridge part is general planar.
5., according to the latch bolt above described in any one claim, it is characterized in that, described ridge part extends to the tip edge of described latch bolt.
6. according to latch bolt above described in any one claim, it is characterized in that, described latch bolt has root and divides and tip part, and described tip part is to root portions incline and become gradually thin towards the face of unclamping before described.
7. latch bolt according to claim 6, is characterized in that, described tip part is in a plane, and the direction of motion that this plane is locked between released position to described latch bolt at it tilts.
8. the latch bolt according to claim 6 or 7, is characterized in that, the root in described ridge part lock bolt face in the rear divide with tip part at least partially on stretch out.
9. latch bolt according to claim 8, is characterized in that, described ridge part is continuous print.
10. according to the latch bolt above described in any one claim, it is characterized in that, face of unclamping before described is given prominence to farther along its top and bottom section forward than the region between them.
11. latch bolt according to claim 10, it is characterized in that, before described, the face of unclamping is roughly spill, gives prominence to obtain farther top and bottom section forward to provide.
12. according to latch bolt above described in any one claim, and it is characterized in that, unclamping mask before described has root to divide and tip part, and described tip part is to described portions incline and become gradually thin towards described rear lock bolt face.
13. latch bolt according to claim 12, is characterized in that, unclamp the tip part in face before described in a plane, and the direction of motion that this plane is locked between released position to described latch bolt at it tilts.
14. latch bolt according to claim 12 or 13, is characterized in that, the tip part of unclamping face before described along its top and bottom edge region fartherly more outstanding forward than the region between them.
15. latch bolt according to claim 13 or 14, is characterized in that, the root unclamping face before described divide along its top and bottom edge region fartherly more outstanding forward than the region between them.
16. according to latch bolt above described in any one claim, and it is characterized in that, the thickness that the root of described latch bolt divides is roughly constant, and tip part is divided from root and become gradually thin to tip edge.
17. according to the latch bolt above described in arbitrary claim, it is characterized in that, this bolt comprises mounting portion further, this mounting portion extends on the direction of the distal end away from described latch bolt, for installing described latch bolt, between its locking and released position, carry out linear movement to make described latch bolt.
18. latch bolt according to claim 17, is characterized in that, described mounting portion comprises rearwardly projecting bolt head, for guaranteeing, described bolt are remained the alignment wanted.
19. 1 kinds of latch bolt, it is roughly as described in reference Fig. 2 to 4.
20. latch assemblies, it comprises according to the latch bolt above described in any one claim, and for making described latch bolt be retracted to the mechanism of released position from locked position.
21. assemblies according to claim 20, is characterized in that, install described latch bolt, carry out linear movement to make this latch bolt between its locking and released position.
22. assemblies according to claim 20 or 21, is characterized in that, be provided with the locator engaged by described latch bolt in use further.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1302609.1A GB2510847A (en) | 2013-02-14 | 2013-02-14 | Latch bolt and latch assembly |
| GB1302609.1 | 2013-02-14 | ||
| PCT/GB2014/050419 WO2014125282A1 (en) | 2013-02-14 | 2014-02-13 | Latch bolt and latch assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105189891A true CN105189891A (en) | 2015-12-23 |
| CN105189891B CN105189891B (en) | 2017-11-10 |
Family
ID=48048399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480009056.1A Active CN105189891B (en) | 2013-02-14 | 2014-02-13 | Latch bolt and latch assembly |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2956602B1 (en) |
| CN (1) | CN105189891B (en) |
| GB (1) | GB2510847A (en) |
| WO (1) | WO2014125282A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000020461A1 (en) * | 2020-08-26 | 2022-02-26 | Antonio Diez | LATCH LOCK |
| SE545804C2 (en) * | 2022-06-17 | 2024-02-06 | Assa Abloy Ab | Deadbolt, lock device and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8212372U1 (en) * | 1982-04-29 | 1982-07-08 | Schmidt, Hans, 8623 Staffelstein | DOOR LOCK WITH TRAP |
| DE29603594U1 (en) * | 1996-02-29 | 1996-04-25 | Dorma Gmbh + Co. Kg, 58256 Ennepetal | Slide latch for a lock |
| DE29611822U1 (en) * | 1996-07-06 | 1996-09-05 | Gretsch-Unitas GmbH Baubeschläge, 71254 Ditzingen | Lock with slide latch |
| DE29801345U1 (en) * | 1998-01-28 | 1999-06-02 | Schulte-Schlagbaum Ag, 42553 Velbert | Lock with a silenced latch |
| FR2795119A1 (en) * | 1999-06-18 | 2000-12-22 | Ferco Int Usine Ferrures | LOCKING HARDWARE PROVIDED WITH AN AUTOMATICALLY RETURN LOCKING MEMBER IN LOCKING POSITION AND LOCKING MEMBER, PARTICULARLY HALF PENE, FOR SUCH A HARDWARE |
| US20050212301A1 (en) * | 2004-03-26 | 2005-09-29 | Sargent Manufacturing Company | Multi-functional mortise lock |
| CN102170765A (en) * | 2010-02-25 | 2011-08-31 | 萨金特制造公司 | Locking device with embedded circuit board |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800468A1 (en) * | 1998-01-09 | 1999-07-15 | Niederhoff & Sieper Gmbh | Lock with trap |
| FI124231B (en) * | 2010-12-08 | 2014-05-15 | Abloy Oy | Lock frame tent arrangement |
-
2013
- 2013-02-14 GB GB1302609.1A patent/GB2510847A/en not_active Withdrawn
-
2014
- 2014-02-13 WO PCT/GB2014/050419 patent/WO2014125282A1/en active Application Filing
- 2014-02-13 CN CN201480009056.1A patent/CN105189891B/en active Active
- 2014-02-13 EP EP14705562.8A patent/EP2956602B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8212372U1 (en) * | 1982-04-29 | 1982-07-08 | Schmidt, Hans, 8623 Staffelstein | DOOR LOCK WITH TRAP |
| DE29603594U1 (en) * | 1996-02-29 | 1996-04-25 | Dorma Gmbh + Co. Kg, 58256 Ennepetal | Slide latch for a lock |
| DE29611822U1 (en) * | 1996-07-06 | 1996-09-05 | Gretsch-Unitas GmbH Baubeschläge, 71254 Ditzingen | Lock with slide latch |
| DE29801345U1 (en) * | 1998-01-28 | 1999-06-02 | Schulte-Schlagbaum Ag, 42553 Velbert | Lock with a silenced latch |
| FR2795119A1 (en) * | 1999-06-18 | 2000-12-22 | Ferco Int Usine Ferrures | LOCKING HARDWARE PROVIDED WITH AN AUTOMATICALLY RETURN LOCKING MEMBER IN LOCKING POSITION AND LOCKING MEMBER, PARTICULARLY HALF PENE, FOR SUCH A HARDWARE |
| US20050212301A1 (en) * | 2004-03-26 | 2005-09-29 | Sargent Manufacturing Company | Multi-functional mortise lock |
| CN102170765A (en) * | 2010-02-25 | 2011-08-31 | 萨金特制造公司 | Locking device with embedded circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2956602B1 (en) | 2019-08-28 |
| GB2510847A (en) | 2014-08-20 |
| GB201302609D0 (en) | 2013-04-03 |
| EP2956602A1 (en) | 2015-12-23 |
| WO2014125282A1 (en) | 2014-08-21 |
| CN105189891B (en) | 2017-11-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |