CN102606013A - Spring lock and engineering machinery - Google Patents
Spring lock and engineering machinery Download PDFInfo
- Publication number
- CN102606013A CN102606013A CN2012100793540A CN201210079354A CN102606013A CN 102606013 A CN102606013 A CN 102606013A CN 2012100793540 A CN2012100793540 A CN 2012100793540A CN 201210079354 A CN201210079354 A CN 201210079354A CN 102606013 A CN102606013 A CN 102606013A
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- axle sleeve
- lock
- card post
- groove
- latch
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Abstract
The invention provides a spring lock which comprises a lock cylinder, a shell and a lock pillar, wherein the lock cylinder comprises a shaft sleeve, a clamping column, at least one elastic element and a limiting mechanism; the shaft sleeve has a tubular structure; a slot is formed on the shaft sleeve; a jacking structure is arranged on the shaft sleeve; the clamping column is arranged between the shell and the shaft sleeve; a raised structure is arranged on a main body of the clamping column and is capable of being inserted into the slot so as to lock the lock pillar inserted into the shaft sleeve; the main body of the clamping column is jacked by the jacking structure when the shaft sleeve rotates, so as to cause the raised structure to release the lock pillar; at least one elastic element is arranged between the shell and the clamping column and the trend of the clamping column clinging to the shaft sleeve is kept; and the limiting mechanism is sleeved on the shaft sleeve and is capable of preventing the clamping column from rotating along axial direction. The invention also provides engineering machinery. According to the technical scheme of the invention, the structure of the spring lock is more simple, reliable and safer, and the opening and returning are smooth.
Description
Technical field
The present invention relates to the latch technical field, in particular to a kind of latch and a kind of engineering machinery.
Background technology
Latch has simple in structure, and switch is characteristic easily.At present, in engineering machinery driving cabin, skeleton cladding plate formula driver's cabin particularly; Like the road roller driver's cabin, be to guarantee the ventilation of driver's cabin, and operating personnel have head are stretched out the needs that driver's cabin is observed operating mode when operating; Usually all be designed with the movable glass window that to open on the driver's cabin; For ability secure fixation after the unlatching of assurance glass window, can break away from fastening devices quickly and easily in the time of need closing, this just involves the problem of using the vehicle window latch.The progress of As market; Client more and more trends towards requiring engineering machinery driving cabin to have the comprehensive covering of glass on a large scale; To guarantee visual field maximization; Usually can only select to be fixed on the driver's cabin side glass after causing the movable glass window to be opened, it is on glass that this just requires latch lock body and tapered end to be assemblied in all.
At present, existing latch on the market, a kind of is all steel iron construction, and the latch rigidity is too strong, when the latch tapered end bumps into moment and engineering machinery work, can't cushion concussion on glass, and movable glass is frangible; Another kind of internal construction principle is complicated, need repeatedly utilize the direction of motion of inclined-plane conversion internals to realize opening, occur easily clamping stagnation cause can't self-return fault.
Therefore, need a kind of new latch, can make the structure of latch more simple, reliable, safe, unlatching and return are smooth and easy.
Summary of the invention
Latch safety in the correlation technique is low in order to solve just in the present invention, complex structure, problem that reliability is low, has proposed a kind of new latch, can make the structure of latch more simple, reliable, safe, open and return smooth and easy.
In view of this, the present invention proposes a kind of latch, comprising: lock core, housing and lock, wherein, said lock core comprises: axle sleeve, card post, at least one flexible member and position-limit mechanism; Said axle sleeve is a tubular structure, has draw-in groove on the said axle sleeve, and said axle sleeve is provided with ejecting structure; Said card post is arranged between said housing and the said axle sleeve; The body of said card post is provided with first bulge-structure; Said first bulge-structure can insert said draw-in groove, insert the lock in the said axle sleeve with locking, and the body of said card post can be when the rotation of said axle sleeve by said ejecting structure jack-up, make said first bulge-structure unclamp said lock; Said at least one flexible member is arranged between said housing and the said card post, makes said card post keep the trend that is adjacent to said axle sleeve; Said position-limit mechanism is set on the said axle sleeve, can stop said card axis of a cylinder to rotation.In this technical scheme, the axial rotation of axle sleeve is converted into the straight reciprocating motion of card post, with locking or unclamp lock.
In technique scheme, preferably, an end of said lock inserts in the said axle sleeve, and the other end is arranged on the buffer structure; Said hull outside is provided with second bulge-structure, and when making said lock by said card post locking, said second bulge-structure can contact with said buffer structure.In this technical scheme, insertion, the locking process of lock and axle sleeve cushioned, when avoiding user's overexertion, cause glass window to be damaged as this latch is installed.
In technique scheme, preferably, the outer contour in the cross section of said ejecting structure is made up of the circular arc that the multistage center of circle does not overlap.
In technique scheme, preferably, said lock core comprises a plurality of said card posts, and a plurality of said card post evenly is arranged at the outside of said axle sleeve.
In technique scheme, preferably, said position-limit mechanism comprises first end cap, and said first end cap is provided with first groove, can stop said card axis of a cylinder to rotation through said card post being embedded said first groove.In this technical scheme, through first groove on first end cap, the direction of motion of blocking post is limited, make it can accomplish straight reciprocating motion.
In technique scheme, preferably, said position-limit mechanism also comprises second end cap, and said second end cap is provided with second groove, can stop said card axis of a cylinder to rotation through said card post being embedded said first groove and said second groove.In this technical scheme, through first groove and second groove direction of motion of blocking post is limited, make that this restriction is more reliable.
In technique scheme, preferably, said housing is to projecting inward formation lock contained structure, and said lock contained structure is positioned at said axle sleeve inside, can holds said lock.
In technique scheme, preferably, also comprise: knob, an end of said axle sleeve are connected with said knob after passing said housing.
In technique scheme, preferably, be respectively arranged with corresponding pin-and-hole on said knob and the said axle sleeve, and said knob is connected through the bearing pin that runs through said pin-and-hole with said axle sleeve.
According to another aspect of the invention, also propose a kind of engineering machinery, comprised each described latch in the technique scheme.
Through above technical scheme, can make the structure of latch more simple, reliable, safe, unlatching and return are smooth and easy.
Description of drawings
Fig. 1 shows the cross-sectional schematic of latch according to an embodiment of the invention;
Fig. 2 is the exploded perspective view of latch shown in Figure 1;
Fig. 3 is the lock core assembling sketch map of latch shown in Figure 1;
Fig. 4 removes the left end of the enclosure interior member behind position-limit mechanism, knob and the lock pin to view when being the latch locking;
Fig. 5 be latch remove the enclosure interior member behind position-limit mechanism, knob and the lock pin when opening left end to view.
The specific embodiment
In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage, the present invention is further described in detail below in conjunction with the accompanying drawing and the specific embodiment.
Set forth a lot of details in the following description so that make much of the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not limited to the restriction of following disclosed specific embodiment.
Below in conjunction with Fig. 1 to Fig. 3, the latch of one embodiment of the present of invention is elaborated.
As shown in the figure, latch according to an embodiment of the invention comprises: lock core 102, housing 5 and lock 9, and wherein, lock core 102 comprises: axle sleeve 1, card post 2, at least one flexible member 3 and position-limit mechanism 406; Axle sleeve 1 is a tubular structure, has draw-in groove 12 on the axle sleeve 1, and axle sleeve 1 is provided with ejecting structure 11; Card post 2 is arranged between housing 5 and the axle sleeve 1; The body 21 of card post 2 is provided with first bulge-structure 22; First bulge-structure 22 can insert draw-in groove 12, insert the lock 9 in the axle sleeve 1 with locking, and the body of card post 2 can be when axle sleeve 1 rotation by ejecting structure 11 jack-up, make first bulge-structure 22 unclamp lock; At least one flexible member 3 is arranged between housing 8 and the card post 2, makes card post 2 keep the trend that is adjacent to axle sleeve 1; Position-limit mechanism 406 is set on the axle sleeve 1, can stop card post 2 axially to rotate.
In this technical scheme, when lock 9 inserts axle sleeve 1, can specifically can be realized by card post 2 lockings through block in the groove of opening on the post 2 insertion locks 9.Axle sleeve 1 can be rotated motion; In the process that axle sleeve 1 is rotated, utilize its ejecting structure 11, can so that the card post 2 body 21 by jack-up; Thereby the reciprocating motion that whole card post 2 takes place on the straight line; And then make card post 2 unclamp lock 9, such as making its first bulge-structure 22 leave the groove on the lock 9, then lock 9 can leave axle sleeve 1.
In the rotary course of axle sleeve 1; In order to ensure blocking the straight reciprocating motion that post 2 can unclamp lock 9; Sheathed position-limit mechanism 406 on axle sleeve 1 can limit in the axial rotation of axle sleeve 1 card post 2, and it can't axially be rotated; Even or can rotate, can guarantee at least that also it can unclamp the straight reciprocating motion of lock 9.
In addition, after card post 2 unclamped lock 9, this latch was opened, and lock 9 breaks away from; When needs once more during locking lock 9, need the card post 2 still can locking lock 9, therefore; On housing 5 corresponding to the position elastic elements 3 of card post 2, can be so that card post 2 moves back and forth on rectilinear direction, at body 21 during by ejecting structure 11 jack-up; First bulge-structure 22 can unclamp lock 9; When rotary sleeve 1, make that first bulge-structure 22 was under the effect of flexible member 3 when ejecting structure 11 can't jack-up body 21; Be returned to once more can locking lock 9 the position, promptly can be interpreted as through flexible member 3 to make card posts 2 keep being close to the trend of axle sleeve 1.
In technique scheme, lock core 102 can comprise a plurality of card posts 2, and a plurality of card post 2 evenly is arranged at the outside of axle sleeve 1.Such as two card posts 2 can be set symmetrically, with locking lock 9 more reliably.For each card post 2, one or more flexible members 3 all can be set, with guarantee its at locking or the straight reciprocating motion when unclamping lock 9 can carry out smoothly.In one case, can an end of flexible member 3 be placed the groove 53 that has on the housing 5, and the other end is contacted with card post 2, so that it can realize resetting, and locking lock 9 once more.
Ejecting structure 11 is parts of axle sleeve 1; The outer contour in its cross section presents non-circular, irregular shape; Thereby make axle sleeve 1 in the process of rotation, part far away apart from the axis of axle sleeve 1 on the external surface of ejecting structure 11 can contact with the body 21 of card post 2, and with its jack-up; The bulge-structure 22 of winning can be moved in the lump, to unclamp lock 9.In a kind of concrete embodiment, the outer contour in the cross section of ejecting structure 11 can be made up of the circular arc that the multistage center of circle does not overlap, and the outer surface part of the ejecting structure 11 that the circular arc that then radius is bigger is corresponding can be with card post 2 jack-up, to unclamp lock 9.
In technique scheme; Position-limit mechanism 406 can adopt various ways, and such as in one case, position-limit mechanism 406 can comprise first end cap 4; First end cap 4 is provided with first groove 41, can stop card post 2 axially to rotate through blocking post 2 embeddings first groove 41.First groove 41 is the path that card post 2 defines straight reciprocating motion, it can be moved, to unclamp lock 9 along this path.
Under another kind of situation, position-limit mechanism 406 comprises that also second end cap, 6, the second end caps 6 are provided with second groove 61, and post 2 will embed first groove 41 and second groove 61 can stop card post 2 axially to rotate through blocking.For card post 2 space is provided by first groove 41 and second groove 61, then blocking post 2 can carry out straight reciprocating motion in this space, to unclamp lock 9.
After lock 9 inserts axle sleeve 1, if the internal diameter of its diameter and axle sleeve 1 differs bigger, possibly cause total loosening, influence whole reliability.Therefore, in one case, can the internal diameter of axle sleeve 1 be dwindled or the diameter of lock 9 is increased, make both to cooperatively interact; Under the another kind of situation, can be by housing 5 to the projecting inward lock contained structure 51 that forms, lock contained structure 51 is positioned at axle sleeve 1 inside, can holds lock 9, avoids it that excessive swing takes place in axle sleeve 1.
In a kind of concrete embodiment, an end of lock 9 inserts in the axle sleeve 1, and the other end is arranged on the buffer structure 10; Housing 5 arranged outside have second bulge-structure 52, and when making lock 9 by card post 2 lockings, second bulge-structure 52 can contact with buffer structure 10.
Because it is on glass that latch often is installed in, also can realize its locking if directly lock 9 is inserted axle sleeve 1, if but the dynamics that the user uses is excessive, and then very easily cause glass to damage.Therefore, need to use buffer structure 10, make when needs locking lock 10, issuable impact in this process is cushioned.The buffer structure 10 here can use flexible member, such as spring etc., also can use elastomeric material, such as rubber.
For the ease of axle sleeve 1 is rotated, can makes an end of axle sleeve 1 pass housing 5 backs and be connected with knob 7.Under a kind of concrete condition; Its connected mode can adopt: pin-and-hole 71 is set on knob 7; And the pin-and-hole 13 that correspondence is set on axle sleeve 1; And knob 7 is connected through the bearing pin 8 that runs through pin-and-hole 71 and pin-and-hole 13 with axle sleeve 1, and then the user can come the rotation of axle sleeve 1 is controlled through rotation knob 7.
Below in conjunction with Fig. 4 and Fig. 5, the locking of the latch in the foregoing description and the control procedure of unclamping are described.
As shown in the figure, comprise ejecting structure 11 on the axle sleeve 1, the outer contour of this ejecting structure 11 is made up of the circular arc that the multistage center of circle does not overlap, and makes the external surface of diverse location of ejecting structure 11 also inequality apart from the distance of the axis of axle sleeve 1.
In Fig. 4; Part less apart from the distance of the axis of axle sleeve 1 on the ejecting structure 11 is corresponding with card post 2; Then block post 2 and can insert corresponding groove on the axle sleeve (being equivalent to the groove 12 among Fig. 2) more deeply, with the lock (being equivalent to the lock 9 among Fig. 1) of locking insertion.
As shown in Figure 5, after axle sleeve 1 is rotated, make on the ejecting structure 11 that the bigger part of distance apart from the axis of axle sleeve 1 contacts with card post 2, then block post 2 by jack-up thereupon, to unclamp the lock of insertion.
Because flexible member 3 makes card posts 2 maintain the trend of being close to axle sleeve 1, thereby when ejecting structure 11 is rotated once more, card post 2 will continue to carry out straight reciprocating motion thereupon, thereby realization is to the locking of lock with unclamp action.
Under some concrete conditions; Can the latch of above-mentioned arbitrary embodiment be used on engineering machinery, on the movable glass window that is installed in the road roller driver's cabin, thereby satisfy the user after opening glass window; This glass window is carried out temporarily fixing, be convenient to observe to external world.
More than be described with reference to the accompanying drawings technical scheme of the present invention; Consider that latch safety in the correlation technique is low, complex structure, reliability be low; The present invention proposes a kind of latch and a kind of engineering machinery, can make the structure of latch more simple, reliable, safe, unlatching and return are smooth and easy.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a latch is characterized in that, comprising: lock core (102), housing (5) and lock (9), wherein,
Said lock core (102) comprising: axle sleeve (1), card post (2), at least one flexible member (3) and position-limit mechanism (406);
Said axle sleeve (1) is a tubular structure, has draw-in groove (12) on the said axle sleeve (1), and said axle sleeve (1) is provided with ejecting structure (11);
Said card post (2) is arranged between said housing (5) and the said axle sleeve (1); The body (21) of said card post (2) is provided with first bulge-structure (22); Said first bulge-structure (22) can insert said draw-in groove (12), insert the lock (9) in the said axle sleeve (1) with locking, and the body (21) of said card post (2) can be when said axle sleeve (1) rotates by said ejecting structure (11) jack-up, make said first bulge-structure (22) unclamp said lock (9);
Said at least one flexible member (3) is arranged between said housing (5) and the said card post (2), makes said card post (2) keep the trend that is adjacent to said axle sleeve (1);
Said position-limit mechanism (406) is set on the said axle sleeve (1), can stop axially rotation of said card post (2).
2. latch according to claim 1 is characterized in that,
One end of said lock (9) inserts in the said axle sleeve (1), and the other end is arranged on the buffer structure (10);
Said housing (5) arranged outside has second bulge-structure (52), and when making said lock (9) by said card post (2) locking, said second bulge-structure (52) can contact with said buffer structure (10).
3. latch according to claim 1 and 2 is characterized in that, the outer contour in the cross section of said ejecting structure (11) is made up of the circular arc that the multistage center of circle does not overlap.
4. latch according to claim 3 is characterized in that, said lock core (102) comprises a plurality of said card posts (2), and a plurality of said card posts (2) evenly are arranged at the outside of said axle sleeve (1).
5. latch according to claim 1 and 2; It is characterized in that; Said position-limit mechanism (406) comprises first end cap (4), and said first end cap (4) is provided with first groove (41), can stop axially rotation of said card post (2) through said card post (2) being embedded said first groove (41).
6. latch according to claim 5; It is characterized in that; Said position-limit mechanism (406) also comprises second end cap (6); Said second end cap (6) is provided with second groove (61), can stop axially rotation of said card post (2) through said card post (2) being embedded said first groove (41) and said second groove (61).
7. latch according to claim 1 and 2 is characterized in that, said housing (5) is to projecting inward formation lock contained structure (51), and said lock contained structure (51) is positioned at said axle sleeve (1) inside, can holds said lock (9).
8. latch according to claim 1 and 2 is characterized in that, also comprises:
Knob (7), an end of said axle sleeve (1) pass said housing (5) back and are connected with said knob (7).
9. latch according to claim 8 is characterized in that, be respectively arranged with corresponding pin-and-hole (71,13) on said knob (7) and the said axle sleeve (1), and said knob (7) is connected through the bearing pin (8) that runs through said pin-and-hole (71,13) with said axle sleeve (1).
10. an engineering machinery is characterized in that, comprises like each described latch in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079354.0A CN102606013B (en) | 2012-03-23 | 2012-03-23 | Spring lock and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079354.0A CN102606013B (en) | 2012-03-23 | 2012-03-23 | Spring lock and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102606013A true CN102606013A (en) | 2012-07-25 |
| CN102606013B CN102606013B (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210079354.0A Active CN102606013B (en) | 2012-03-23 | 2012-03-23 | Spring lock and engineering machinery |
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| Country | Link |
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| CN (1) | CN102606013B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265101A (en) * | 2014-08-08 | 2015-01-07 | 咸宁海威复合材料制品有限公司 | Locking device with vibration reducing function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121500U (en) * | 1991-12-05 | 1992-11-11 | 赵满堂 | Anti-stealing lock |
| EP1167664A1 (en) * | 2000-06-27 | 2002-01-02 | Pastore & Lombardi S.r.l. | Locking system with electromagnetic deactivation of a handle for doors of trucks, trailers or the like |
| CN2553038Y (en) * | 2002-06-27 | 2003-05-28 | 周贵祖 | Keyless rotary puzzle lock |
| CN201276913Y (en) * | 2008-09-22 | 2009-07-22 | 袁长勃 | Bump clamp |
| CN102373851A (en) * | 2010-08-20 | 2012-03-14 | 扬州神舟汽车内饰件有限公司 | Engineering vehicle cab front view-window lock |
-
2012
- 2012-03-23 CN CN201210079354.0A patent/CN102606013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121500U (en) * | 1991-12-05 | 1992-11-11 | 赵满堂 | Anti-stealing lock |
| EP1167664A1 (en) * | 2000-06-27 | 2002-01-02 | Pastore & Lombardi S.r.l. | Locking system with electromagnetic deactivation of a handle for doors of trucks, trailers or the like |
| CN2553038Y (en) * | 2002-06-27 | 2003-05-28 | 周贵祖 | Keyless rotary puzzle lock |
| CN201276913Y (en) * | 2008-09-22 | 2009-07-22 | 袁长勃 | Bump clamp |
| CN102373851A (en) * | 2010-08-20 | 2012-03-14 | 扬州神舟汽车内饰件有限公司 | Engineering vehicle cab front view-window lock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265101A (en) * | 2014-08-08 | 2015-01-07 | 咸宁海威复合材料制品有限公司 | Locking device with vibration reducing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102606013B (en) | 2014-05-21 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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