CN109763699A - A kind of latch assembly - Google Patents
A kind of latch assembly Download PDFInfo
- Publication number
- CN109763699A CN109763699A CN201910145466.3A CN201910145466A CN109763699A CN 109763699 A CN109763699 A CN 109763699A CN 201910145466 A CN201910145466 A CN 201910145466A CN 109763699 A CN109763699 A CN 109763699A
- Authority
- CN
- China
- Prior art keywords
- lock
- lock body
- groove
- connecting rod
- scroll spring
- 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.)
- Pending
Links
Abstract
The invention discloses a kind of latch assemblies, it includes the lock body and locked groove being oppositely arranged, lock tongue is equipped in the lock body, positioning sleeve, plane scroll spring, connecting rod, fixed block, sliding bar and lockable mechanism, operator is in actual use, after only door need to be closed, enable lock body and locked groove face, then sliding bar is pulled, sliding bar is set to draw the limit skidded off to lock tongue, lock groove in connecting rod can be docked locking with lockable mechanism, and therefore plane scroll spring can also crispatura, and when needing to open the door, lockable mechanism need to only be docked with lock groove releasing, such as pull the handle of lockable mechanism being located at outside lock body, make its drawing pull bar that latch be driven to be detached from from lock groove, plane scroll spring diastole at this time, connecting rope is enabled to pull connecting rod that lock tongue is driven to retract automatically, lock body and locked groove is released to lock, the program is not only tied Structure is simple, operates conveniently and at low cost, using reliable.
Description
Technical field
The present invention relates to lock bolt field, especially a kind of latch assembly.
Background technique
Existing lock bolt be mostly can automatic spring lock tongue structure type, and the structure of automatic retraction lock tongue is more few
To see, in actual use, the latch structure of automatic spring usually can cause noise because locked groove or doorframe is hit at closing time, and one
A little public places such as toilet, independent nursing room etc. are usually locked with greater need for when entering manually, and automatic lock bolt retracts when going out, with
Guarantee people outside understand that whether internal someone and lock a door can be more light.
Summary of the invention
The case where for the prior art, the purpose of the present invention is to provide a kind of structures simply, operate conveniently and lock tongue can
With the latch assembly retracted automatically
In order to realize above-mentioned technical purpose, the technical solution adopted by the present invention are as follows:
A kind of latch assembly comprising the lock body and locked groove being oppositely arranged, be equipped in the lock body lock tongue, positioning sleeve,
Plane scroll spring, connecting rod, fixed block, sliding bar and lockable mechanism, the lock body side opposite with locked groove, which is equipped with, to be supplied
The opening that lock tongue is pierced by, the positioning sleeve are set in lock body and are located at opening side, and the lock tongue is set to opening and positioning
Between set, one end of the connecting rod passes through positioning sleeve and is fixedly connected with lock tongue, and the fixed block is set to separate in lock body
One end of the side of lock tongue, the plane scroll spring is connect with fixed block, and the other end is another by connecting rope and connecting rod
One end is fixedly connected, by plane scroll spring diastole or crispatura and drive the flexible of lock tongue, the lockable mechanism is set to connects
Extension bar side, and connecting rod is equipped with the lock groove cooperated with lockable mechanism, lock groove is for docking cooperation, institute with lockable mechanism
The one end for stating sliding bar is fixedly connected with the connecting rod, and the other end of sliding bar is pierced by lock body and is located on the outside of lock body, and lock body is corresponding
The position that sliding bar is pierced by is equipped with sliding groove along lock tongue glide direction, makes lock tongue insertion lock when moving sliding bar along locked groove setting layback
When slot, lockable mechanism, which docks constraint with the lock groove in connecting rod, to be fixed, and plane scroll spring is crispaturaed at this time, when lockable mechanism solution
When except docking with lock groove, plane scroll spring diastole simultaneously pulls connecting rope traction bars that lock tongue is driven to retract, and enables sliding bar
It resets.
Further, be additionally provided with leading block between the connecting rod and plane scroll spring, one end of the connecting rope with
After plane scroll spring connection, the other end is connect with connecting rod again around leading block.
Further, the lockable mechanism includes latch, pull rod, spring, handle and snap ring, and one end of the pull rod is worn
Enter in lock body and connect with latch, spring pocket is set to pull rod and is located in the intracorporal bar portion of lock, and the snap ring is connected in pull rod
The other end outside lock body, and the end end end is connect with handle, when spring in the raw when, latch is connected to connection
Bar is equipped on the side of lock groove.
Preferably, side of the latch far from lock tongue is bevel structure and the lock groove is and bevel structure
Adaptable imitation-shaped groove.
Further, the peripheral side of the plane scroll spring is additionally provided with annular sleeve, and the annular sleeve is correspondingly provided with for even
The hole slot that splicing or plane scroll spring end are pierced by.
Using above-mentioned technical solution, operator in actual use, after need to only closing door, is enabling lock body and locked groove just
It is right, sliding bar is then pulled, sliding bar is made to draw the limit skidded off to lock tongue, it can be by the lock groove and lockable mechanism in connecting rod
Locking is docked, and therefore plane scroll spring can also crispatura, and when needing to open the door, and need to only release lockable mechanism and lock groove pair
It connects, the handle being located at outside lock body as pulled lockable mechanism makes its drawing pull bar that latch be driven to be detached from from lock groove, at this time
Plane scroll spring diastole enables connecting rope pull connecting rod that lock tongue is driven to retract automatically, releases lock body and locked groove and locks, the party
Case is not only simple in structure, operates conveniently and at low cost, using reliable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cutting structural schematic diagram of one of implementation state of the invention, wherein lock tongue is stretching state；
The external structure visual angle schematic diagram of lock body and locked groove when Fig. 2 is implementation state shown in corresponding diagram 1；
Fig. 3 is two cutting structural schematic diagram of implementation state of the invention, wherein lock tongue is retracted mode；
The external structure visual angle schematic diagram of lock body and locked groove when Fig. 4 is implementation state shown in corresponding diagram 3；
Fig. 5 is the external view structural schematic diagram of implementation structure of the invention.
Marginal data:
1, lock body；2, locked groove；3, lock tongue；31, connecting rod；311, lock groove；32, positioning sleeve；33, sliding bar；34, it slides
Handle；35, sliding groove；4, plane scroll spring；41, fixed block；42, annular sleeve；421, hole slot；5, latch；51, pull rod；
52, spring；53, handle；54, snap ring；6, leading block；7, connecting rope.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Fig. 1 to one of 5, the present invention includes the lock body 1 and locked groove 2 being oppositely arranged, and is equipped with lock in the lock body 1
Tongue 3, positioning sleeve 32, plane scroll spring 4, connecting rod 31, fixed block 41, sliding bar 33 and lockable mechanism, the lock body 1 with
The opposite side of locked groove 2 is equipped with the opening being pierced by for lock tongue 3, and the positioning sleeve 32 is fixed in lock body 1 and is located at opening
Side, the lock tongue 3 are set between opening and positioning sleeve 32, and one end of the connecting rod 31 passes through positioning sleeve 32 and and lock tongue
3 are fixedly connected, the fixed block 41 be set to lock body 1 in far from lock tongue 3 side, one end of the plane scroll spring 4 with
Fixed block 41 connects, and the other end is fixedly connected by connecting rope 7 with the other end of connecting rod 31, by plane scroll spring 4
Diastole is crispaturaed to drive the flexible of lock tongue 3, and the lockable mechanism is set to 31 side of connecting rod, and connecting rod 31 be equipped with
The lock groove 311 of lockable mechanism cooperation, lock groove 311 for dock cooperation with lockable mechanism, one end of the sliding bar 33 and
Connecting rod 31 is fixedly connected, and the other end of sliding bar 33 is pierced by lock body 1 and is located at 1 outside of lock body, and the corresponding sliding bar 33 of lock body 1 is worn
Position out is equipped with sliding groove 35 along 3 glide direction of lock tongue, makes the insertion lock of lock tongue 3 when the dynamic sliding bar 33 of layback is arranged along locked groove 2
When slot 2, lockable mechanism, which docks constraint with the lock groove 311 in connecting rod 31, to be fixed, and plane scroll spring 4 is crispaturaed at this time, works as lock
When locking mechanism releasing is docked with lock groove 311,4 diastole of plane scroll spring simultaneously pulls 7 traction bars 31 of connecting rope to drive lock
Tongue 3 retracts, and enables sliding bar 33 reset, it is preferred that a sliding handle can be arranged on the end end that sliding bar 33 is located at outside lock body 1
34。
Further, it is additionally provided with leading block 6 between the connecting rod 31 and plane scroll spring 4, the one of the connecting rope 6
After end is connect with plane scroll spring 4, the other end is connect with connecting rod 31 again around leading block 6.
Wherein, the lockable mechanism includes latch 5, pull rod 51, spring 52, handle 53 and snap ring 54, the pull rod
51 one end penetrates in lock body 1 and connect with latch 5, and spring 52 is sheathed in the bar portion that pull rod 51 is located in lock body 1, described
Snap ring 54 be connected in the other end that pull rod 51 is located at outside lock body 1, and the end end end is connect with handle 53, when spring 52 be in from
When right state, latch 5 is connected to connecting rod 31 equipped on the side of lock groove 311；Preferably, the latch 5 is separate
The side of lock tongue 3 is bevel structure and the lock groove 311 is the imitation-shaped groove being adapted with bevel structure.
Further, the peripheral side of the plane scroll spring 4 is additionally provided with annular sleeve 42, and the annular sleeve 42 is correspondingly provided with
The hole slot 421 being pierced by for connecting rope 7 or plane scroll spring end.
The present invention uses above-mentioned technical solution, and operator in actual use, after need to only closing door, enables lock body 1
With 2 face of locked groove, sliding bar 33 is then pulled, sliding bar 33 is made to draw the limit that skids off to lock tongue 3, it can will be in connecting rod 31
Lock groove 311 docks locking with lockable mechanism, and therefore plane scroll spring 4 can also crispatura, and when needing to open the door, it need to will only lock
Locking mechanism is docked with the releasing of lock groove 311, and the handle 53 being located at outside lock body 1 as pulled lockable mechanism makes its drawing pull bar 51
Latch 5 is driven to be detached from from lock groove 311,4 diastole of plane scroll spring at this time enables connecting rope 7 that connecting rod 31 is pulled to drive
Lock tongue 3 retracts automatically, releases lock body 1 and locked groove 2 and locks, and the program is not only simple in structure, operates conveniently and at low cost,
Using reliable.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of latch assembly, it is characterised in that: it includes the lock body (1) and locked groove (2) being oppositely arranged, the lock body (1)
It is interior to be equipped with lock tongue (3), positioning sleeve (32), plane scroll spring (4), connecting rod (31), fixed block (41), sliding bar (33) and lock
Locking mechanism, the lock body (1) and locked groove (2) opposite side are equipped with the opening being pierced by for lock tongue (3), the positioning sleeve
(32) it is set in lock body (1) and is located at opening side, the lock tongue (3) is set between opening and positioning sleeve (32), the company
One end of extension bar (31) passes through positioning sleeve (32) and is fixedly connected with lock tongue (3), and the fixed block (41) is set in lock body (1)
Side far from lock tongue (3), one end of the plane scroll spring (4) are connect with fixed block (41), and the other end passes through connection
Rope (7) is fixedly connected with the other end of connecting rod (31), by plane scroll spring (4) diastole or crispatura and drive lock tongue (3)
It is flexible, the lockable mechanism is set to connecting rod (31) side, and connecting rod (31) is equipped with the lock cooperated with lockable mechanism
Only slot (311), lock groove (311) is for docking cooperation, one end and connecting rod (31) of the sliding bar (33) with lockable mechanism
It is fixedly connected, the other end of sliding bar (33) is pierced by lock body (1) and is located on the outside of lock body (1), and lock body (1) is corresponding sliding bar (33)
The position being pierced by is equipped with sliding groove (35) along lock tongue (3) glide direction, makes to lock when moving sliding bar (33) along locked groove (2) setting layback
When tongue (3) is inserted into locked groove (2), lockable mechanism, which docks constraint with the lock groove (311) on connecting rod (31), to be fixed, at this time plane snail
Coil spring (4) is crispaturaed, and when lockable mechanism releasing is docked with lock groove (311), plane scroll spring (4) diastole simultaneously pulls connection
(7) traction bars (31) drive lock tongue (3) of restricting retracts, and sliding bar (33) is enabled to reset.
2. a kind of latch assembly according to claim 1, it is characterised in that: the connecting rod (31) and plane scroll spring
(4) be additionally provided between leading block (6), after one end of the connecting rope (7) is connect with plane scroll spring (4), the other end around
Leading block (6) is crossed to connect with connecting rod (31) again.
3. a kind of latch assembly according to claim 1, it is characterised in that: the lockable mechanism include latch (5),
Pull rod (51), spring (52), handle (53) and snap ring (54), one end of the pull rod (51) penetrates in lock body (1) and and locking
Block (5) connection, spring pocket are set to pull rod (51) and are located in the bar portion in lock body (1), and the snap ring (54) is connected in pull rod
(51) be located at the other end of lock body (1) outside, and the end end end is connect with handle (53), when spring in the raw when, locking
Block (5) is connected to connecting rod (31) equipped on the side of lock groove (311).
4. a kind of latch assembly according to claim 3, it is characterised in that: the latch (5) is far from lock tongue (3)
Side is bevel structure and the lock groove (311) is the imitation-shaped groove being adapted with bevel structure.
5. a kind of latch assembly according to claim 1, it is characterised in that: the peripheral side of the plane scroll spring (4)
It is additionally provided with annular sleeve (42), the annular sleeve (42) is correspondingly provided with to be pierced by for connecting rope (7) or plane scroll spring (4) end
Hole slot (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145466.3A CN109763699A (en) | 2019-02-27 | 2019-02-27 | A kind of latch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145466.3A CN109763699A (en) | 2019-02-27 | 2019-02-27 | A kind of latch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109763699A true CN109763699A (en) | 2019-05-17 |
Family
ID=66456986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910145466.3A Pending CN109763699A (en) | 2019-02-27 | 2019-02-27 | A kind of latch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109763699A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206414A (en) * | 2019-06-28 | 2019-09-06 | 常州耐芯威电子自动化有限公司 | A kind of tricot machine power control cabinet cabinet door lockable mechanism |
| US11572001B1 (en) | 2021-11-30 | 2023-02-07 | B/E Aerospace, Inc. | Quick release headrest removal assembly |
-
2019
- 2019-02-27 CN CN201910145466.3A patent/CN109763699A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206414A (en) * | 2019-06-28 | 2019-09-06 | 常州耐芯威电子自动化有限公司 | A kind of tricot machine power control cabinet cabinet door lockable mechanism |
| US11572001B1 (en) | 2021-11-30 | 2023-02-07 | B/E Aerospace, Inc. | Quick release headrest removal assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190517 |