CN104948045B - Self-locking mechanism - Google Patents
Self-locking mechanism Download PDFInfo
- Publication number
- CN104948045B CN104948045B CN201510276508.9A CN201510276508A CN104948045B CN 104948045 B CN104948045 B CN 104948045B CN 201510276508 A CN201510276508 A CN 201510276508A CN 104948045 B CN104948045 B CN 104948045B
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- CN
- China
- Prior art keywords
- lock
- lock pin
- lock body
- pin
- segments
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
A kind of self-locking mechanism, including the lock pin (2) on immobilization carrier (1) and the lock body (4) being rotatably installed on movable carrier (3), lock body (4) is provided with the locked groove (5) of both ends open, and locked groove (5) skids off derivation section (5.2) of lock segments (5.1) including the lock segments (5.1) for locking lock pin (2), guiding lock pin (2).The parts of the self-locking mechanism are few, and are not in that the situation for causing whole failure mechanisms because of spring failure occurs.
Description
Technical field
The present invention relates to a kind of self-locking mechanism.
Background technology
At present, relatively conventional self-locking mechanism is generally divided into two parts, i.e. lock body and lock pin, and wherein lock body is carried mounted in activity
On body, and lock pin is then filled on a fixed support, and when movable carrier drives lock body to move straight down, the lock body for moving downward is touched
Lock pin is contacted, and lock pin is locked in lock body.
The self-locking mechanism entirety parts of the type are more, and structure is complex, and corresponding cost is also high, and generally comprises
There is spring, and spring is when in use, with the extension of use time, it is easy to fail, and spring once fails, entirely from lock machine
Structure will lose self-locking effect.
The content of the invention
It is few that the technical problem to be solved in the present invention is to provide a kind of parts, and is not in cause because of spring failure
The self-locking mechanism of whole failure mechanisms.
In order to solve the above technical problems, the technical scheme that the present invention is provided is：Including installing lock pin on a fixed support
The lock body on movable carrier is arranged on eccentric rotary, lock body is provided with the locked groove of both ends open, and locked groove is included for locking lock
The lock segments of pin, guiding lock pin skid off the derivation section of lock segments；The inlet portion of lock segments is provided with can make lock body spacing on lock pin
With prevent lock body from continuing traveling downwardly first on retaining wall.
The inlet portion of lock segments be provided with can make lock body it is spacing on lock pin with prevent lock body from continuing traveling downwardly first on retaining wall,
The sticking department of lock segments is provided with and prevents lock pin from entering into the lower retaining wall derived in section, and the inlet portion of derivation section is provided with and makes lock body spacing
On the lock pin with prevent lock body from continuing traveling downwardly second on retaining wall, derive section and be provided with the lower guiding wall that guiding lock pin skids off lock body,
Lock pin is located at the surface of lower guiding wall when retaining wall is contacted with lock pin spacing on second.
The bottom of lock body is additionally provided with can guide lock pin to be slided with respect to lock body and lock pin is moved closer to lock segments inlet portion simultaneously
With first on the spacing contact of retaining wall bottom guiding wall.
The sticking department of lock segments is additionally provided with the upper stopper for preventing lock pin from exiting.
Self-locking mechanism of the invention is only made up of lock body and lock pin, without setting spring, it is to avoid led because of spring failure
The situation of whole self-locking mechanism failure is caused to occur, and the hinge slot structure set on lock body is ingenious, is capable of achieving self-locking effect, overall knot
Structure is very succinct, and parts are few, and production cost is relatively low.
Further, the inlet portion of lock segments be provided with can make lock body it is spacing on lock pin with prevent lock body from continuing traveling downwardly
Retaining wall on one, the sticking department of lock segments is provided with and prevents lock pin from entering into the lower retaining wall derived in section, and the inlet portion for deriving section is provided with
Make lock body it is spacing on lock pin with prevent lock body from continuing traveling downwardly second on retaining wall, derive section be provided with guiding lock pin skid off lock body
Lower guiding wall, lock pin is located at the surface of lower guiding wall, the locked groove of the above structure when retaining wall is contacted with lock pin spacing on second
Design is ingenious, overall succinct, makes self-locking mechanism overall operation reliability.
Further, the bottom of lock body is additionally provided with can guide lock pin to be slided with respect to lock body and lock pin is moved closer to lock segments
Inlet portion and with first on the spacing contact of retaining wall bottom guiding wall, guiding wall bootable lock pin in bottom slides with respect to lock body, effectively protects
The reliability of whole service process is hindered.
Brief description of the drawings
Fig. 1 is the structural representation that self-locking mechanism of the present invention is used for cabinet back during cabinet.
Fig. 2 is that lock pin is gradually slipped into locked groove and is locked in the flow in lock segments when self-locking mechanism of the present invention is used for cabinet
Figure.
Fig. 3 is the schematic diagram that lock pin is spacing with retaining wall on second when contacting when self-locking mechanism of the present invention is used for cabinet.
Fig. 4 is the flow chart that lock pin gradually skids off locked groove derivation section when self-locking mechanism of the present invention is used for cabinet.
Shown in figure of the present invention：1 immobilization carrier, 2 lock pins, 3 movable carriers, 4 lock bodies, 4.1 bottom guiding walls, 5 locked grooves, 5.1
Lock segments, 5.2 derive section, retaining wall on 6 first, 7 times retaining walls, retaining wall on 8 second, 9 times guiding walls, stopper on 10.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As illustrated, self-locking mechanism of the invention, including lock pin 2 on immobilization carrier 1 and it is rotatably installed in work
Lock body 4 on dynamic load body 3, wherein being installed for the rotation of lock body, can first rotate on movable carrier and install a rotating shaft, then
Lock body is rotatably installed in rotating shaft and just can realize that lock body is rotatably installed on movable carrier.In the present embodiment, lock body 4 is eccentric
Be rotatably installed on movable carrier 3, and the top setting of center of gravity, lock body in the raw when, it is ellipse that lock body middle and upper part forms half
Round shape, the bottom of the semiellipse shape is molded into inclined curved bottom.
Lock body 4 is provided with the locked groove 5 of both ends open, and locked groove 5 includes lock segments 5.1, the guiding lock pin for locking lock pin 2
The 2 derivation sections 5.2 for skidding off lock segments 5.1.In the present embodiment, when lock body in the raw when, locked groove 5 is open into and opens up.
The inlet portion of wherein lock segments 5.1 be provided with can make lock body 4 it is spacing on lock pin 2 with prevent lock body from continuing traveling downwardly
Retaining wall 6 on one, this on first retaining wall can be straight wall, or the slightly wall of arcuation, as long as lock body can be made spacing in lock pin
It is upper.The sticking department of lock segments 5.1 is provided with and prevents lock pin 2 from entering into the lower retaining wall 7 derived in section 5.2, and equally lower retaining wall 7 can
To be straight wall or the slightly wall of arcuation, as long as lock pin can be blocked.Derive section 5.2 inlet portion be provided with make lock body 4 spacing
On lock pin 2 with prevent lock body 4 from continuing traveling downwardly second on retaining wall 8, retaining wall 8 can be that straight wall can also be slightly on same second
The wall of arcuation, as long as lock body can be made spacing on lock pin.Derive section 5.2 and be provided with the lower guiding that guiding lock pin 2 skids off lock body 4
Wall 9, the surface of retaining wall 8 is spacing with lock pin 2 on second when contacting lock pin 2 is located at lower guiding wall 9, equally lower guiding wall can be with
Be straight wall can also be slightly arcuation wall, can it is smooth guiding lock pin skid off.Certainly on second, retaining wall 8 is limited with lock pin 2
Lock pin 2 is in lower guiding wall 9 positioned at the cross section center of circle that the surface of lower guiding wall 9 can be understood as lock pin 2 during the contact of position
Surface, i.e., as shown in Figure 3, the initiating terminal (right-hand member i.e. in figure) of lower guiding wall 9 will be located at the right side in the lock pin cross section center of circle
Side, that is to say, that initiating terminal will exceed the lock pin cross section center of circle.
The bottom of other lock body 4 is additionally provided with and lock pin 2 can be guided to be slided with respect to lock body 4 and lock pin 2 is moved closer to lock segments
5.1 inlet portions and with first on the spacing contact of retaining wall 6 bottom guiding wall 4.1.The bottom guiding wall 4.1 is in the present embodiment arc
Wall, surface is mellow and full smooth, is easy to lock pin to slide.
Used as the improvement project of the present embodiment, the sticking department of lock segments 5.1 is additionally provided with the upper stopper for preventing lock pin 2 from exiting
10, so when dynamics is larger, lock pin also will not easily exit sticking department.
In the present embodiment, the overall slightly arcuation of lock segments, can be such that lock pin is firmly locked in the lock segments, and derive
The lower guiding wall 9 of section is gradually inclined downwards makes the opening for entirely deriving section gradually increase, and is so easy to that lock pin is smooth to skid off derivation
Section.
Self-locking mechanism of the invention can be used for the occasion of various needs lockings, such as be used for cabinet, now in the back of the body of cabinet
One piece of portable plate is installed in portion, and it is movable carrier to install the lock body of self-locking mechanism that the portable plate becomes, and one is installed on wall
Block fixed plate, the fixed plate becomes the lock pin for being immobilization carrier to install self-locking mechanism, and also logical between portable plate and fixed plate
Crossing chute slide rail can make portable plate be moved up and down along fixed plate is relative, set between portable plate and fixed plate and both can support work
After dynamic plate can make the gas spring of portable plate homing again simultaneously, first time drop-down cabinet, after a drop-down segment distance, lock body connects
Lock pin is contacted, lock pin is slided with respect to lock body along guiding wall under shape, when sliding to lock segments inlet portion, because there is retaining wall on first
Set, lock body is limited on lock pin, lock body can not be further continued for descending, now unclamp cabinet, the cabinet in the presence of gas spring
There is the trend of rising, add lock body and be affected by gravity, now lock body starts backswing while rising, and now lock pin enters into lock
Determine in section, because of the setting for having lower retaining wall, lock pin is locked in lock segments, and now lock body is also locked by lock pin, cabinet keeps not
Dynamic, highly, now cabinet height reduction, is available for the shorter person's placing articles of height, with reference to figure two to relatively original cabinet.And work as article
After having placed, second pulls cabinet, now lock pin abjection lock segments, and the lock pin of deviating from lock segments is then spacing touches second
Upper retaining wall, now lock body similarly lived by lock pin spacing and remained stationary as, refer to figure three.Cabinet is now unclamped again, is equally existed
Under gas spring effect, lock body in uphill process plunger contacts to lower guiding wall, lock pin skids off lock body along lower guiding wall, in lock
After pin skids off lock body, lock body homing under gravity.The self-locking mechanism can make cabinet with after on the cabinet of the type
The user for meeting different heights uses.
Certain self-locking mechanism of the invention is also used in other needs Iterim Change height or temporary locking, while can return again
Restore the occasion of position.Self-locking mechanism parts of the invention are considerably less, smart structural design, low cost, it is often more important that without
Using spring, the situation for causing whole self-locking mechanism ineffective because of spring failure can be avoided from occurring.
Claims (3)
1. a kind of self-locking mechanism, it is characterised in that：Installed including the lock pin (2) on immobilization carrier (1) and eccentric rotary
Lock body (4) on movable carrier (3), lock body (4) is provided with the locked groove (5) of both ends open, and locked groove (5) is including for locking lock
Sell derivation section (5.2) that the lock segments (5.1) of (2), guiding lock pin (2) skid off lock segments (5.1)；The entrance of lock segments (5.1)
Portion be provided with can make lock body (4) it is spacing on lock pin (2) with prevent lock body from continuing traveling downwardly first on retaining wall (6), lock segments (5.1)
Sticking department be provided with and prevent lock pin (2) from entering into the lower retaining wall (7) derived in section (5.2), the inlet portion for deriving section (5.2) is provided with
Make lock body (4) it is spacing on lock pin (2) with prevent lock body (4) from continuing traveling downwardly second on retaining wall (8), derive section (5.2) be provided with
Guiding lock pin (2) skids off the lower guiding wall (9) of lock body (4), lock pin (2) when retaining wall (8) is with lock pin (2) spacing contact on second
Positioned at the surface of lower guiding wall (9).
2. self-locking mechanism according to claim 1, it is characterised in that：The bottom of lock body (4) is additionally provided with can guide lock pin (2)
With respect to lock body (4) slide and make lock pin (2) move closer to lock segments (5.1) inlet portion and with first on retaining wall (6) spacing contact
Bottom guiding wall (4.1).
3. self-locking mechanism according to claim 1, it is characterised in that：The sticking department of lock segments (5.1) is additionally provided with prevents lock
The upper stopper (10) that pin (2) is exited.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276508.9A CN104948045B (en) | 2015-05-27 | 2015-05-27 | Self-locking mechanism |
| PCT/CN2015/084469 WO2016187941A1 (en) | 2015-05-27 | 2015-07-20 | Self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276508.9A CN104948045B (en) | 2015-05-27 | 2015-05-27 | Self-locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948045A CN104948045A (en) | 2015-09-30 |
| CN104948045B true CN104948045B (en) | 2017-06-30 |
Family
ID=54163054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510276508.9A Active CN104948045B (en) | 2015-05-27 | 2015-05-27 | Self-locking mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104948045B (en) |
| WO (1) | WO2016187941A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2750219A (en) * | 1952-07-11 | 1956-06-12 | Admiral Corp | Latch mechanism |
| DE10251813B4 (en) * | 2002-11-07 | 2006-08-03 | Olho-Technik Oleff & Holtmann Ohg | In a motor vehicle built-in container |
| KR100577422B1 (en) * | 2003-12-11 | 2006-05-08 | 삼성전자주식회사 | Storage cabinet |
| US7306266B2 (en) * | 2004-03-05 | 2007-12-11 | Illinois Tool Works, Inc. | Appliance latch having a rotating latch hook mounted on a linear slide |
| US8973956B2 (en) * | 2008-10-29 | 2015-03-10 | Nifco Inc. | Latch device |
| CN202148748U (en) * | 2011-06-16 | 2012-02-22 | 东风汽车有限公司 | Pull type mask lock |
| CN203383623U (en) * | 2013-06-14 | 2014-01-08 | 扬州盛世模塑科技有限公司 | Labyrinth-type locking pin device |
| CN203939333U (en) * | 2014-04-28 | 2014-11-12 | 上海索维尼科技发展有限公司 | Door closer |
| CN204627236U (en) * | 2015-05-27 | 2015-09-09 | 宁波乐歌视讯科技股份有限公司 | Self-locking mechanism |
-
2015
- 2015-05-27 CN CN201510276508.9A patent/CN104948045B/en active Active
- 2015-07-20 WO PCT/CN2015/084469 patent/WO2016187941A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016187941A1 (en) | 2016-12-01 |
| CN104948045A (en) | 2015-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 315145, No. 558, South Road, Yinzhou Economic Development Zone, Zhejiang, Ningbo, Yinzhou District Applicant after: Lege Ergonomics Technology Co., Ltd. Address before: 315191, No. 9, high voltage Road, Jiangshan hi tech park, Ningbo, Zhejiang, Yinzhou District Applicant before: NingBo Loctek Visual Technology Co., Ltd. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |