CN101994421B - Plunger latch device - Google Patents
Plunger latch device Download PDFInfo
- Publication number
- CN101994421B CN101994421B CN2009101684661A CN200910168466A CN101994421B CN 101994421 B CN101994421 B CN 101994421B CN 2009101684661 A CN2009101684661 A CN 2009101684661A CN 200910168466 A CN200910168466 A CN 200910168466A CN 101994421 B CN101994421 B CN 101994421B
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- CN
- China
- Prior art keywords
- lock bolt
- plunger latch
- locking device
- connecting portion
- drivening piece
- 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
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- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a plunger latch device, which is used for being arranged in a plunger latch base of a lockset and providing locking and unlocking functions. The plunger latch device comprises a driving part, an elastic member, a plunger latch group and a linkage plate, wherein the linkage plate is connected between the driving part and a connecting rod of the plunger latch group; the elastic member provides an elastic force for one end of the driving part; the driving part and the linkage plate take the middle segment of the elastic member as a pivot point; and an application point and a stressed point are positioned at two different ends of the pivot point, so that the limit to space configuration can be reduced when the plunger latch device is applied to the plunger latch base, and a labor-saving driving mode is provided in the unlocking process.
Description
Technical field
The present invention relates to a kind of door lock, refer to the locking device mechanism in this door lock especially.
Background technology
The at present known mandrel means of utilizing reach the latch mechanism design of drive lock bolt; The designs such as " mortise locks " of Chinese patent CN200710066916 number " a kind of main lock construction and use the combined door-lock of this main lock construction " and TaiWan, China patent TW200712301 number is arranged haply, wherein:
In the described main lock construction; One shifting shaft can be a driving shaft and drives, and connects the secondary dead bolt that receives the spring pushing and pressing with a rocker, and described rocker is as pivoting point with the one of which end; And make this shifting shaft be positioned at the identical side of pivoting point with the stress point of rocker Contact Pair dead bolt to the point of application of rocker; Therefore wherein force arm is shorter in length than stressed arm lengths, utilizes driving shaft when shifting shaft and rocker drive secondary dead bolt displacement as the user, just has the shortcoming of operating cost power; Moreover, based on considering that the stress point and the point of application are positioned at the identical side of pivoting point, be the interference of avoiding the member interlock and the problems such as dead angle of driving, therefore, latch mechanism is restricted on being disposed at the locus of lock bolt seat.
The structure that this mortise lock disclosed; It is connected in an end of locking bolt with rotatable locking bolt spinner; Though this locking bolt spinner can directly drive the locking bolt lateral displacement; But because of the locking bolt spinner is the horizontal linear position that drives locking bolt with rotation mode, problems such as interference of moving between in the transmission operating process, being prone to because of member and dead angle cause operation not smooth.
Summary of the invention
Main purpose of the present invention is to provide a locking device; Be disposed in the lock bolt seat in order to the member that improves existing locking device and be subject to spatial constraints, and the point of application of member is positioned at pivoting point the same side with stress point and shortcoming that the operation that produces is required great effort when unblanking.
For reaching aforementioned purpose, locking device of the present invention comprises:
One drivening piece, it comprises one first end, one second end, and a pivot portion between this first end and second end, and this drivening piece is a pivoting point with this pivot portion;
One elastic component, its first end to this drivening piece provides elastic force;
One lock bolt group, it comprises the plunger latch head that a connecting rod and is located at this connecting rod one end; And
One interlock plate; It comprises one first connecting portion, one second connecting portion; And a articulated section between this first, second connecting portion, this interlock plate is a pivoting point with this articulated section, and is arranged between this drive plate and this lock bolt group; This first connecting portion connects second end of this drivening piece, and this second connecting portion connects the other end of this connecting rod with respect to this plunger latch head.
Compare with previous existing latch mechanism with aforementioned locking device design of the present invention, characteristics of the present invention (or beneficial effect) include at least:
1, reduced restriction in the configuration of space: locking device of the present invention is connected in interlock plate between the connecting rod of drivening piece and lock bolt group; And make this drivening piece and interlock plate with its stage casing as articulating the position; Make the point of application and stress point form the connection relationship at the different two ends that are positioned at this pivoting point in addition; Reduce the problems such as interference and dead angle of member interlock, made the interlock reaction between member more direct.Like this, when this locking device was applied in the lockset, the designer was easy to change according to space configuration relation such as the continuous action relation of each associated components in the lockset and movement travel, this locking device is applied in the lock bolt seat and can reduces the restriction of space configuration.
2, rapid operation: with the above; Locking device of the present invention because of this drivening piece and interlock plate with its stage casing as articulating the position; Make the point of application and stress point form the connection relationship at the different two ends that are positioned at this pivoting point in addition; The action that makes its member can the rotation mode transmission and reduce the problems such as interference and dead angle of member interlock, makes the interlock reaction between member more direct, and rapid operation.
Description of drawings
Fig. 1 is applied to the schematic perspective view in the lock bolt seat for a preferred embodiment of locking device of the present invention.
Fig. 2 is the perspective exploded view of locking device preferred embodiment shown in Figure 1 and lock bolt seat.
Fig. 3 is the floor map when locking state for locking device preferred embodiment shown in Figure 1 at the lock bolt seat.
Fig. 4 is the floor map of locking device preferred embodiment shown in Figure 1 when the lock bolt seat is unlocking condition.
[critical element symbol description]
1 locking device
2 lock bolt seat 2A assembly spaces
2D lock bolt lining 2E location-plate
The 2F limited post
3 cover plates
4 barrier assembly 4A revolve axle
The 4B block
10 drivening pieces, 11 first ends
12 second ends, 13 pivot portions
14 limiting sections
20 elastic components, 21 first compression springs
22 second compression springs
30 lock bolt groups, 31 plunger latch heads
32 connecting rods, 321 fixed connecting ends
323 butting sections, 322 connection terminals
33 springs, 34 locating pieces
40 interlock plates, 41 first connecting portions
42 second connecting portions, 43 articulated sections
44 pivot posts
The specific embodiment
Like Fig. 1, shown in Figure 2, for a preferred embodiment that discloses locking device of the present invention is applied to the sketch map in the lockset, by can finding out among the figure, this lockset comprises a lock bolt seat 2, a cover plate 3, a barrier assembly 4 and locking device of the present invention 1, wherein:
Form an assembly space 2A in the described lock bolt seat 2; Use for this barrier assembly 4 and locking device 1 and be installed in wherein; Be provided with a panel cover 2B in this assembly space 2A one side; Be provided with a lock bolt through hole 2C among this panel cover 2B and be communicated with this assembly space 2A, the side of contiguous this assembly space 2A of this panel cover 2B is provided with the lock bolt lining 2D that the outer rim from this lock bolt through hole 2C protrudes out towards assembly space 2A, and this lock bolt seat 2 is provided with a location-plate 2E at the side of lock bolt lining 2D; Described cover plate 3 is fixed on the lock bolt seat 2 in order to cover.
Described barrier assembly 4 comprises one and revolves a 4A and a block 4B; This revolves among the assembly space 2A that a 4A rotatably is hubbed at this lock bolt seat 2; This block 4B is installed among the assembly space 2A of this lock bolt seat 2 movablely and connects this and revolves a 4A; Make this block 4B drive displacement, stop the function of unblanking in order to locking device 1 is provided by revolving a 4A.
Locking device of the present invention is installed in the assembly space of this lock bolt seat, and this locking device 1 comprises a drivening piece 10, an elastic component 20, a lock bolt group 30 and an interlock plate 40, wherein:
This drivening piece 10 comprises one first end 11, one second end 12 and a pivot portion 13; Said first end 11, second end 12 lay respectively at two ends, and this pivot portion 13 and rotatably is hubbed among the assembly space 2A of this lock bolt seat 2 with this pivot portion 13 between first end 11 and second end 12; In order to the connecting band moving axis; This drivening piece 10 can be driven in rotation, and the lateral margin of this drivening piece 10 still can further form a limiting section 14, and the side in this drivening piece 10 in the assembly space 2A of this lock bolt seat is provided with a limited post 2F; Through utilizing the relative engagement of this limited post 2F and limiting section 14, in order to limit the anglec of rotation of this drivening piece 10.
This elastic component 20 is located in the assembly space 2A of this lock bolt seat 2, and is connected between these drivening piece 10 first ends 11 and this lock bolt seat 2 sidewalls, and this elastic component 20 can be spring or other elastic bodys.In this preferred embodiment; This elastic component 20 has one first compression spring 21 and one second compression spring 22; This second compression spring 22 is located at this first compression spring, 21 inside, makes this first, second compression spring 21,22 be the kenel of inside and outside socket combination.
This lock bolt group 30 is located in the assembly space 2A of lock bolt seat 2, and can controlledly stretch out outside the lock bolt through hole 2C, in this preferred embodiment; This lock bolt group 30 comprises a plunger latch head 31 and a connecting rod 32; Or comprising that further a spring 33 and a positioning block 34, described connecting rod 32 comprise a fixed connecting end 321 and a connection terminal 322 that lays respectively at its two ends, this connecting rod 32 forms butting section 323 at 322 places, contiguous connection terminal; Said plunger latch head 31 is fixed in the fixed connecting end 321 of this connecting rod 32; This spring 33 is sheathed on the connection terminal 322 of this connecting rod 32, and this this butting section 323 of spring 33 1 end butts, and the other end is resisted against on the lock bolt seat 2; This locating piece 34 is fixedly arranged on the end of the connection terminal 322 of this connecting rod 32; The connecting rod 32 of this lock bolt group 30 passes the location-plate 2E of this lock bolt lining 2D side, and this plunger latch head 31 is placed in the lock bolt lining 2D of this lock bolt seat 2 movablely, outside the controlled lock bolt through hole 2C that stretches out lock bolt seat 2.
This interlock plate 40 comprises one first connecting portion 41, one second connecting portion 42 and an articulated section 43; This first connecting portion 41, second connecting portion 42 lay respectively at the two ends of this interlock plate 40; This articulated section 43 is between this first connecting portion 41, second connecting portion 42; This interlock plate 40 is hubbed in the assembly space of this lock bolt seat 2 through a pivot post 44 with this articulated section 43; And, be connected in 322 places, connection terminal of the connecting rod 32 of lock bolt group 30 with second connecting portion 42, and between this spring 33 and this locating piece 34 with second end 12 of this drivening piece 10 of first connecting portion, 41 butts.
When the present invention is applied to lockset with aforementioned locking device design; As shown in Figure 3; This locking device 1 provides first end 11 of elastic force pushing and pressing drivening piece 10 through elastic component 20; And the spring 33 of this lock bolt group 30 provides elastic force pushing and pressing connecting rod 32, and the plunger latch head 31 of an end of connecting rod 32 is stretched out outside the lock bolt through hole 2C of lock bolt seat 2, is the state of locking; Under this locking state, a 4A that revolves capable of using drives locating piece 34 sides that block 4B is moved to lock bolt group 30, and the locking function that stops lock bolt group 30 lateral displacements is provided; As shown in Figure 4, when unblanking, utilize the drive axle to drive this drivening piece 10 and turn clockwise; Wherein first end, 11 these elastic components 20 of pushing and pressing of this drivening piece 10 compress; In addition, make this interlock plate 40 be rotated counterclockwise, and then it is traversing to drive the connecting rod 32 of these lock bolt groups 30 with second connecting portion 42 of this interlock plate 40 with first connecting portion 41 of second end, 12 these interlock plates 40 of pushing and pressing; And make plunger latch head 31 be retracted in the lock bolt seat 2, be unlocking condition.
Can know via above stated specification; The locking device that the present invention designed is to make this drivening piece and interlock plate take the stage casing to articulate, and utilizes two ends as the coupling part between member, makes the point of application and stress point be positioned at the different two ends of pivoting point; Like this; The member that can reduce this locking device is disposed at the spatial constraints in the lock bolt seat, and can provide when unblanking than the labour-saving type of drive, and then provides one to have more the design of practicality locking device for lockset.
Claims (4)
1. a locking device is characterized in that, comprises:
One drivening piece, it comprises one first end, one second end, and a pivot portion between this first end and second end, and this drivening piece is a pivoting point with this pivot portion;
One elastic component, its first end to this drivening piece provides elastic force;
One lock bolt group, it comprises the plunger latch head that a connecting rod and is located at this connecting rod one end; And
One interlock plate; It comprises one first connecting portion, one second connecting portion; And a articulated section between this first, second connecting portion, this interlock plate is a pivoting point with this articulated section, and is arranged between this drivening piece and this lock bolt group; This first connecting portion connects second end of this drivening piece, and this second connecting portion connects the other end of this connecting rod with respect to this plunger latch head.
2. locking device according to claim 1; It is characterized in that; This lock bolt group further comprises a spring and a positioning block; This connecting rod wears second connecting portion of spring, interlock plate with the other end with respect to plunger latch head, affixed again locating piece, and second connecting portion of this interlock plate is between this spring and this locating piece.
3. locking device according to claim 1 and 2 is characterized in that, this elastic component has one first compression spring and one second compression spring, and this second compression spring is located at this first compression spring inner.
4. locking device according to claim 3 is characterized in that the lateral margin of this drivening piece forms a limiting section, and this limiting section combines a limited post to limit the anglec of rotation of this drivening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101684661A CN101994421B (en) | 2009-08-26 | 2009-08-26 | Plunger latch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101684661A CN101994421B (en) | 2009-08-26 | 2009-08-26 | Plunger latch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101994421A CN101994421A (en) | 2011-03-30 |
| CN101994421B true CN101994421B (en) | 2012-10-31 |
Family
ID=43785115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101684661A Expired - Fee Related CN101994421B (en) | 2009-08-26 | 2009-08-26 | Plunger latch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994421B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406015Y (en) * | 1999-12-21 | 2000-11-15 | 施楠烑 | Moving handle lock |
| CN2553036Y (en) * | 2002-06-05 | 2003-05-28 | 台湾福兴工业股份有限公司 | Improved structure of adjustable lock bolt |
| AU2005203686A1 (en) * | 2004-09-13 | 2006-03-30 | Dormakaba Australia Pty Ltd | A mortice lock |
| CN2858882Y (en) * | 2006-01-06 | 2007-01-17 | 彭日临 | Lock capable of converting sloping locking bolt direction |
| CN201100031Y (en) * | 2007-10-08 | 2008-08-13 | 陈力 | Mortise lock possessing safety tongue and commutation block |
| CN101457606A (en) * | 2007-12-10 | 2009-06-17 | 台湾福兴工业股份有限公司 | Door lock bolt combination structure |
-
2009
- 2009-08-26 CN CN2009101684661A patent/CN101994421B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406015Y (en) * | 1999-12-21 | 2000-11-15 | 施楠烑 | Moving handle lock |
| CN2553036Y (en) * | 2002-06-05 | 2003-05-28 | 台湾福兴工业股份有限公司 | Improved structure of adjustable lock bolt |
| AU2005203686A1 (en) * | 2004-09-13 | 2006-03-30 | Dormakaba Australia Pty Ltd | A mortice lock |
| CN2858882Y (en) * | 2006-01-06 | 2007-01-17 | 彭日临 | Lock capable of converting sloping locking bolt direction |
| CN201100031Y (en) * | 2007-10-08 | 2008-08-13 | 陈力 | Mortise lock possessing safety tongue and commutation block |
| CN101457606A (en) * | 2007-12-10 | 2009-06-17 | 台湾福兴工业股份有限公司 | Door lock bolt combination structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101994421A (en) | 2011-03-30 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20190826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |