CN105189891B - Latch bolt and latch assembly - Google Patents
Latch bolt and latch assembly Download PDFInfo
- Publication number
- CN105189891B CN105189891B CN201480009056.1A CN201480009056A CN105189891B CN 105189891 B CN105189891 B CN 105189891B CN 201480009056 A CN201480009056 A CN 201480009056A CN 105189891 B CN105189891 B CN 105189891B
- Authority
- CN
- China
- Prior art keywords
- latch bolt
- bolt
- face
- latch
- tip 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.)
- Active
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
- E05B15/0006—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
- 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
- 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 kind of latch bolt（1）, it includes preceding release face（6）With rear lock bolt face（5）, when the latch bolt（1）In locked position, the preceding release face（6）For hinged retainer to produce locking effect, the rear lock bolt face includes tip portion（5B）, the tip portion is inclined, to provide the distal end towards the latch bolt（11）Taper.The rear lock bolt face（5）With ridge part（14）, the ridge part（14）The distal end of center between the top and bottom of the bolt towards the bolt（11）Stretch out, and the lock bolt face after described（5）Than the rear lock bolt face（5）Remainder it is fartherly outstanding.
Description
Technical field
The present invention relates to latch bolt and include the latch assembly of such latch bolt.The present invention especially, but does not arrange
His ground, which is related to, is referred to as the latch assembly that locking is set of " meeting an urgent need ".
Background technology
It is well known that providing emergent locking setting on door people can be made to open door, for example, pacifying by pressing across door inner side
The mode of the frizzen of dress.By being extending vertically into header and the check lock lever of bottom from frizzen region, and/or by with
The roughly the same height of frizzen, which is in, to extend sideways to the latch bolt of doorframe, can be with locking door.A mechanism is needed, to cause pair
The pressing of bar, so as to unclamp check lock lever and/or latch bolt.Generally, the latch bolt is elastically biased toward to the locking position of extension
Put, wherein in the position, the latch bolt is in locator, and the preceding release face of lock bolt can engage with locator, to prevent
Only door is opened；When pressing active bar, the lock bolt can overcome fexible bias pressure, be retracted to the position of its no longer hinged retainer；Together
Sample, door is closed, and the latch bolt, at the position that it extends, the rear lock bolt face of the latch bolt ideally engages door and scraped
Plate or the like, and therefore overcome its fexible bias pressure to be pushed into retracted position, so that the latch bolt passes through positioning from gateway
The leading edge of device, and its extended position is hereafter moved into, and the latch bolt is in the locator.It is desirable that the latch bolt
Motion be continuous and smooth.
The content of the invention
It is an object of the invention to provide improved latch bolt, and when wherein present dynasty's locator returns, the latch bolt is easy to
Retract.
It is a further object of the present invention to provide a kind of latch assembly, and it includes such latch bolt.
According to the present invention, there is provided a kind of latch bolt, it includes preceding release face and rear lock bolt face, when the latch bolt is being locked
During tight position, the preceding release face is used for hinged retainer, and to produce locking effect, the rear lock bolt face includes tip portion, the end
Taper point is inclined, is attenuated with the distal end towards clamping screw, wherein the rear lock bolt face has ridge part, and the ridge part is in spiral shell
Center between the top and bottom of bolt stretches out towards the distal end of bolt, and from rear lock bolt face out it is prominent must be than rear
The remainder in lock bolt face is farther.
It has been found that by providing the ridge part to stretch out on rear lock bolt face, when present dynasty's locator returns, it is easy to this
The smooth retraction of latch bolt.
It should be understood that the bolt is typically mounted on door side, and the rear lock bolt face is placed in perpendicular.Wherein, lead to
Often it is positioned such that using " top " and " bottom " of bolt, nevertheless, the bolt of the present invention certainly may be in other orientation
Use.It should also be understood that in this specification, " preceding " of the latch bolt（front）Face is considered as when door or the like
During opening, the face of the direction of motion of lock bolt is facing generally towards, and and below（rear face）It is considered as when door or similar closing
When, it is facing generally towards the face of the direction of motion of lock bolt.
Center of the ridge part preferably substantially between the top and bottom of bolt stretches out towards distal end.
The ridge part is preferably the cross section bent.Then, as bolt is towards locator return, the latch bolt is with determining
Position device can be that a single point contacts, and this promotes the smooth retraction of bolt.The cross section of the bending is preferably symmetrical on center line.It is excellent
Selection of land, bending are continuous.
Preferably, bending is smooth.
Preferably, the positive part of lock bolt on the either side of ridge part is general planar.In the identical of ridge part
Part on the opposite side of part is preferably coplanar.
The ridge part preferably extends to the tip edge of the latch bolt.
The lock bolt face can have tabular surface, and the tabular surface is located substantially in single plane, but in preferable construction, should
Lock bolt face has root portion and tip portion, and the tip portion tilts to root portion, and unclamps face forward and attenuate.The distal tip
Point preferably to latch bolt in its inclined plane of the direction of motion for locking between released position.
The root portion is preferably in the flat of the direction of motion parallel to the latch bolt between its locking and released position
In face.The ridge part preferably stretches out on the root portion in lock bolt face and at least a portion of tip portion.The ridge part
Preferably extend in the whole length of the tip portion in lock bolt face.The ridge part can be in the whole length of the root portion in lock bolt face
Extend on degree.
Within the scope of the invention, the ridge part includes multiple single ridge parts, and it can be the pass of end-to-end alignment
System, but, with reference to accompanying drawing, in a preferred embodiment, the ridge part is continuous.
According to of the invention specifically with advantageous feature, the preceding release face is along its top and bottom region than between them
Region protrude further along.Using this setting, contribute to the smooth release of the latch bolt when being retracted from locator,
Even if also it is in this way, especially in case of emergency when release lock bolt when the preceding release is applied with some pressure in face of locator
When may produce this pressure.
The preceding release face is preferably generally spill, to provide top and bottom marginal zone prominent further along.
In this case, the preceding release face can have smooth profile.
The preceding release face can have root portion and a tip portion, and the tip portion is tilted to root portion and lock bolt backwards
Face attenuates.The tip portion is preferably in the inclined plane of the direction of motion to latch bolt between its locking and released position
In.The root portion is preferably in the plane of the direction of motion parallel to latch bolt between its locking and released position.Before this
The tip portion in release face is preferably compared the region between them along its top and bottom fringe region and protruded further along.Should
The root portion in preceding release face is preferably compared the region between them along its top and bottom fringe region and protruded further along.
Preferably, the thickness of the root portion of the latch bolt is substantially constant, and tip portion is from root portion to end edge
Edge attenuates.The friendship of the tip portion in lock bolt face and the tip portion and root portion of the junction of root portion and/or preceding release face afterwards
At boundary can latch bolt tip portion and root portion junction plane region in.
The latch bolt may further include mounting portion, and the mounting portion is in the tip portion away from latch bolt
Direction extends, to fix the latch bolt, so that it carries out linear movement between its locking and released position.The installation portion
Rearwardly projecting bolt head can be included by dividing, for ensuring that the bolt maintains desired alignment.
Generally, it is most economical that latch bolt carries out manufacture with entirety, it is to be understood that the latch bolt can be by multiple
Single part, which links together, to be made.
The present invention further provides latch bolt defined herein, and for making latch bolt be retracted to pine from locked position
The mechanism of open position.The latch bolt can be fixed so that it carries out linear movement between locking and released position.It can enter
One step provides the locator for engaging latch bolt when in use.The latch bolt can use any form of above-mentioned restriction.
The latch bolt especially, but not exclusively, is locked in setting for " emergent ".
Brief description of the drawings
With reference to accompanying drawing, embodiments of the invention are described, wherein：
Fig. 1 is the shuttle unit block of emergent latch assembly（Including latch bolt）Isometric view；
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.
Embodiment
Referring first to Fig. 1, which show the latch bolt 1 for being fixed to shuttle unit 2, the shuttle unit forms answering on door
The part for the latch assembly that anxious locking is set.
Generally, the latch assembly is fixed on the side of door, and by pressing the frizzen fixed across the inner side of door
Driving.In the first locked position of shuttle unit 2, the latch bolt 1 is outstanding from the lateral edges of door, and receives and positioning
In device.Shuttle unit 2 and latch bolt 1 are biased into such position by spring 3A and 3B：If the power applied is intended to open
The door, the preceding release face of bolt 1 engage the adjacent retainer member, and the engagement of the preceding release face and locator makes a holding
In closed position.When pressing frizzen, the mechanism of the latch assembly causes shuttle unit 2 to side with parallel to the lock bolt of retracting
The linear direction of the spring 3A and 3B of bolt 1 axle is retracted, and is withdrawn from the locator, so that door is opened.After opening, the door
Can close, and as door is closed, to latch bolt the inclined latch bolt 1 of the direction of motion rear lock bolt face projectedly
The strike plate being bonded on doorframe, so that latch bolt 1 overcomes its fexible bias pressure to be moved to retracted position；Once the lock bolt spiral shell
Bolt is alignd with the groove in locator, and due to its fexible bias pressure, the latch bolt will be moved into outwards in locator.This latch assembly
It is known, although and a kind of shuttle unit of concrete form is illustrated in accompanying drawing, it is to be understood that can use other normal
Rule or unconventional mechanism, because the property of these mechanisms is not especially relevant for purposes of the invention.On the contrary, the spy of the present invention
Determine the shape that feature is related to latch bolt, presently in connection with Fig. 2 to 4, be described by way of embodiment.
The latch bolt 1 can be manufactured with overall, and with rear lock bolt face 5, preceding release face 6, top 7, bottom
8th, there is rearwardly projecting bolt first 13 to be alignd exactly installation with ensuring the bolt for distal end 11 and butt 12, the butt 12.Should
Butt 12 receives, and is fixed in the groove of the matching of shuttle unit 2.The rear lock bolt face 5 is divided into root portion 5A and tip
Part 5B.Similarly, the preceding release face 6 is divided into root portion 6A and tip portion 6B.As Fig. 4 is the most clearly shown, the root
Divide 5A and 6A parallel to each other, and the direction of motion parallel to the latch bolt between its locking and released position, but it is last along it
Taper divides 5B and 6B to tilt towards each other to distal end 11 to attenuate.
Lock bolt face 5 is provided with ridge 14 afterwards, and midpoint of the ridge 14 between the top 7 of bolt and bottom 8 is outstanding from face 5,
And continuously extend along the entire length in the face.Ridge 14 is the cross section bent smoothly and continuously.The horizontal stroke of the bending
Section is symmetrical on center line.The rear parts of the lock bolt face 5A and 5B away from ridge is the same parts of flat and described ridge 14
Opposite side on part be coplanar.
Preceding release face 6 is the spill smoothly bent, and to provide top and bottom fringe region, it is than the area between them
Domain protrudes further along.The most clearly shown bendings of Fig. 3, wherein visible root portion 6A curvature, and wherein
Reference 16,17 indicates the fringe region protruded forward.It should be understood that identical spill is provided with tip portion 6B, from
Observation Fig. 2 can be seen that nearby.
In use, when the door of fixed latch assembly is in the locked position closed, if applying power is somebody's turn to do with opening the door
Latch bolt in locator and the latch bolt the hinged retainer of preceding release face 6.If for example, in case of emergency,
Press frizzen, then the latch bolt removes from the locator.In the motion, the tip portion 6B in release face 6 slips over phase
Adjacent retainer member.The fringe region 16 and 17 in the release face 6 engages the locator, and latch bolt 1 is remained correct
Orientation, and the tip portion 6B in the release face is tilted to the direction of motion of latch bolt and is also produced power, the power tends to make lock bolt spiral shell
Bolt is retracted.From experiment it has been found that even if pressure is applied on door, by the spill of bolt, also reducing makes latch bolt 1 contract
Return required power.After opening, when door is closed, the rear lock bolt face 5 of the latch bolt 1 is projectedly bonded on the strike plate on doorframe,
So that latch bolt 1 overcomes its fexible bias pressure, retracted position is moved to；Once the latch bolt 1 and the groove pair of locator
Together, because its fexible bias pressure, the latch bolt 1 are outwards moved into locator.Ridge on the rear lock bolt face 5 of the latch bolt 1
14 and the tip portion 5B inclination in lock bolt face 5 be easy to the smooth protrusion engagement of the latch bolt 1.
Therefore, as described above, by making latch bolt 1 be provided with front and back 6 and 5, the contracting of bolt when door is opened is improved
Return the reliability of the locking of bolt when being closed with door.
When the above-mentioned present invention, which combines emergent locking setting, to be illustrated, those skilled in the art is understood that the lock
Door bolt bolt can be used for other lockings.
In the above description, mentioned known entirety or element, it is obvious for predictable equivalent
, this equivalent is merged as individually explanation herein.Claim is used for the true scope for determining the present invention, and it should
When being construed to include any this equivalent.Reader should be understood that the present invention is described as preferably, favourable or convenient whole
Body or be characterized as it is selectable, not limit independent claims scope.
Claims (20)
1. a kind of latch bolt, it includes preceding release face and rear lock bolt face, and the preceding release face is used for when the latch bolt exists
A locator is engaged when on locked position, to realize that locking acts on, the rear lock bolt face includes tip portion, and the tip portion is
It is inclined, to provide the taper of the distal end towards the latch bolt, wherein lock bolt face has ridge part after described, the ridge
The distal end of center towards the latch bolt of the part between the top and bottom of the latch bolt stretches out, and
Lock bolt face obtains towards outer process farther than the remainder in lock bolt face after described after described, and the preceding release face is along its top and bottom
Portion region is fartherly more prominent forward than the region between them.
2. latch bolt according to claim 1, it is characterised in that the ridge part at the top of the latch bolt and
Center between bottom stretches out towards distal end.
3. latch bolt according to claim 1 or 2, it is characterised in that the ridge part has the cross section of bending.
4. latch bolt according to claim 1, it is characterised in that the rear lock bolt face in the either side of the ridge part
Part be general planar.
5. latch bolt according to claim 1, it is characterised in that the ridge part extends to the end of the latch bolt
Tip edge.
6. latch bolt according to claim 1, it is characterised in that the latch bolt has root portion and distal tip
Point, the tip portion tilts to root portion and becomes tapered towards the preceding release face.
7. latch bolt according to claim 6, it is characterised in that the tip portion in a plane, the plane to
The direction of motion of the latch bolt between its locking and released position tilts.
8. the latch bolt according to claim 6 or 7, it is characterised in that the root in ridge part lock bolt face in the rear
Stretch out at least a portion of part and tip portion.
9. latch bolt according to claim 8, it is characterised in that the ridge part is continuous.
10. latch bolt according to claim 1, it is characterised in that the preceding release face substantially spill, with provide to
Preceding prominent farther top and bottom region.
11. latch bolt according to claim 1, it is characterised in that the preceding release face has root portion and distal tip
Point, the tip portion tilts to the root portion and becomes tapered towards the rear lock bolt face.
12. latch bolt according to claim 11, it is characterised in that the tip portion in the preceding release face is in a plane
Interior, the plane tilts to the direction of motion of the latch bolt between its locking and released position.
13. the latch bolt according to claim 11 or 12, it is characterised in that the tip portion in the preceding release face along its
Top and bottom fringe region is fartherly more prominent forward than the region between them.
14. latch bolt according to claim 13, it is characterised in that the root portion in the preceding release face along its top and
Bottom edge region is fartherly more prominent forward than the region between them.
15. latch bolt according to claim 1, it is characterised in that the thickness of the root portion of the latch bolt is substantially
It is constant, and tip portion becomes tapered from root portion to tip edge.
16. latch bolt according to claim 1, it is characterised in that the latch bolt further comprises mounting portion, should
Mounting portion upwardly extends in the side of the distal end away from the latch bolt, for installing the latch bolt, so that described
Latch bolt carries out linear movement between its locking and released position.
17. latch bolt according to claim 16, it is characterised in that the mounting portion includes rearwardly projecting bolt
Head, for ensuring to remain the latch bolt into desired alignment.
18. latch assembly, it includes the latch bolt according to above any one claim, and for making the lock bolt spiral shell
Bolt is retracted to the mechanism of released position from locked position.
19. latch assembly according to claim 18, it is characterised in that the latch bolt is installed, so that the lock bolt spiral shell
Bolt carries out linear movement between its locking and released position.
20. the latch assembly according to claim 18 or 19, it is characterised in that be further provided with when in use by the lock
Fasten the locator of bolted joints with a bolt or latch.
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 CN105189891A (en) | 2015-12-23 |
| CN105189891B true 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 (6)
| 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 |
| CN102170765A (en) * | 2010-02-25 | 2011-08-31 | 萨金特制造公司 | Locking device with embedded circuit board |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800468A1 (en) * | 1998-01-09 | 1999-07-15 | Niederhoff & Sieper Gmbh | Lock with trap |
| US7188870B2 (en) * | 2004-03-26 | 2007-03-13 | Sargent Manufacturing Company | Multi-functional mortise lock |
| 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 (6)
| 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 |
| 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 |
| CN105189891A (en) | 2015-12-23 |
| GB2510847A (en) | 2014-08-20 |
| GB201302609D0 (en) | 2013-04-03 |
| EP2956602A1 (en) | 2015-12-23 |
| WO2014125282A1 (en) | 2014-08-21 |
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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 |