CN104453502B - A kind of locking device - Google Patents
A kind of locking device Download PDFInfo
- Publication number
- CN104453502B CN104453502B CN201410718920.7A CN201410718920A CN104453502B CN 104453502 B CN104453502 B CN 104453502B CN 201410718920 A CN201410718920 A CN 201410718920A CN 104453502 B CN104453502 B CN 104453502B
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- Prior art keywords
- lever
- link
- place
- spring
- hook
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Abstract
The present invention discloses a kind of locking device, comprises hook, link, stay bolt, locking nut, spring, link, lever and turning cylinder. Hook is fixed on the Yishanmen of casing; Stay bolt is through link, and spring and link, connect as one by locking nut; Lever can rotate moving axis rotate; Link and turning cylinder connect as one, and are fixed on the another Yishanmen of casing; On carry the hand-held place of (pushing away) lever, lever goes to level, the high boss place of lever straight up, the top of a little higher than hook in bottom of link inner ring, link is enclosed within on hook; The hand-held place that presses down lever, lever goes to vertical state, and straight up, link strains at hook at the short boss place of lever. It is in the time of locking state, and spring in a state of nature; In the time of open mode, spring is in compressive state. It is simple in structure, and operation is convenient, installs and removes easyly and safe and reliable, and use cost is low, and stability when locking state is high.
Description
Affiliated technical field
The present invention relates to a kind of fastener technical field, specifically relate to a kind of locking device.
Background technology
Some left and right opening doors or on the casing of downward swing door, as left and right opening door or the upper downward swing door of the compartment of lorry, container, container etc., a door body needs to lock after closing; And door body most of time is all in locking state.
At present, existing locking device, at locking device, during in locking state, contained spring is in elongating or compressive state; Locking device is in the time of open mode, and contained spring in a state of nature; Locking device most of time is all in locking state, causes spring for a long time in elongation or compressive state and produce actual effect, has increased replacement cost; The spring of locking device is for a long time in elongation or compressive state and to produce locking state unstable.
Summary of the invention
In order to overcome existing locking device at locking device during in locking state, contained spring is in elongating or compressive state; Locking device is in the time of open mode, and contained spring in a state of nature; Locking device most of time is all in locking state, causes spring for a long time in elongation or compressive state and produce actual effect, has increased replacement cost; The spring of locking device, for a long time in elongation or compressive state and produce the defects such as locking state is unstable, the invention provides a kind of new locking device.
The present invention specifically solves the technical solution that its technical problem adopts: locking device comprises hook 11, link 12, stay bolt 13, locking nut 14, spring 15, link 16, lever 17, the short boss 17-1 of place of lever, the 17-2 of high boss place of lever, the hand-held 17-3 of place of lever, turning cylinder 18. Wherein, hook 11 moulding is L-type, is metal material, on the casing that is fixed on left and right opening door or upper downward swing door Yishanmen wherein; The front end of stay bolt 13 has sufficient length screw thread; Stay bolt 13 is through link 16, and spring 15 and link 12, connect as one by locking nut 14; Lever 17 is assemblied on turning cylinder 18, and the moving axis 18 that rotates rotates; Link 16 and turning cylinder 18 connect as one, and are fixed on the another Yishanmen of casing of left and right opening door or upper downward swing door, guarantee to link up with 11 and link 12 between distance meet the L-type top of a little higher than hook 11 in bottom of link 12 inner rings; Lever 17 comprises the short boss 17-1 of place of lever, tri-primary structures of the hand-held 17-3 of place of the 17-2 of high boss place of lever and lever; On carry the hand-held 17-3 of place of (pushing away) lever, drive lever 17 to rotate moving axis 18 while going to level, the 17-2 of high boss place of lever straight up, spring 15 is compressed, spring 15 contacts the 17-2 upper surface, high boss place of lever and the end face of stay bolt 13, the L-type top of a little higher than hook 11 in bottom of link 12 inner rings, link 12 is enclosed within on hook 11; Press down the hand-held 17-3 of place of lever, drive lever 17 to rotate moving axis 18 while going to vertical state, the short boss 17-1 of place of lever straight up, spring 15 is in free state, spring 15 contacts the 17-1 upper surface, short boss place of lever and the end face of stay bolt 13, link 12 strains at hook 11, realizes left and right opening door or the upper downward swing door of fastened housing.
The invention has the beneficial effects as follows, adopt a kind of locking device, solved current locking device and caused spring for a long time in elongation or compressive state and produce actual effect, increased replacement cost; The spring of locking device is for a long time in elongation or compressive state and produce the problems such as locking state is unstable. It is at locking device during in locking state, and contained spring in a state of nature; Locking device is in the time of open mode, and contained spring is in compressive state. It is simple in structure, and operation is convenient, installs and removes easyly and safe and reliable, and use cost is low, the stability while greatly having improved locking state.
Brief description of the drawings
Main TV structure schematic diagram when Fig. 1 is the locking state of a kind of locking device of the present invention;
Main TV structure schematic diagram when Fig. 2 is the open mode of a kind of locking device of the present invention;
Fig. 3 be in Fig. 1 of a kind of locking device of the present invention P to local structure for amplifying schematic diagram.
11. hooks in figure, 12. links, 13. stay bolts, 14. locking nuts, 15. springs, 16. links, 17. levers, the short boss place of 17-1. lever, the high boss place of 17-2. lever, the hand-held place of 17-3. lever, 18. turning cylinders.
Detailed description of the invention
Below in conjunction with drawings and Examples, patent of the present invention is further described.
Referring to accompanying drawing, a kind of locking device comprises hook 11, link 12, stay bolt 13, locking nut 14, spring 15, link 16, lever 17, the short boss 17-1 of place of lever, the 17-2 of high boss place of lever, the hand-held 17-3 of place of lever, turning cylinder 18. Wherein, hook 11 moulding is L-type, is metal material, on the casing that is fixed on left and right opening door or upper downward swing door Yishanmen wherein; The front end of stay bolt 13 has sufficient length screw thread; Stay bolt 13 is through link 16, and spring 15 and link 12, connect as one by locking nut 14; Lever 17 is assemblied on turning cylinder 18, and the moving axis 18 that rotates rotates; Link 16 and turning cylinder 18 connect as one (note: in annexation figure for drawing), be fixed on the another Yishanmen of casing of left and right opening door or upper downward swing door, guarantee to link up with 11 and link 12 between distance meet the L-type top of a little higher than hook 11 in bottom of link 12 inner rings; Lever 17 comprises the short boss 17-1 of place of lever, tri-primary structures of the hand-held 17-3 of place of the 17-2 of high boss place of lever and lever; On carry the hand-held 17-3 of place of (pushing away) lever, drive lever 17 to rotate moving axis 18 while going to level, the 17-2 of high boss place of lever straight up, spring 15 is compressed, spring 15 contacts the 17-2 upper surface, high boss place of lever and the end face of stay bolt 13, the L-type top of a little higher than hook 11 in bottom of link 12 inner rings, link 12 is enclosed within on hook 11; Press down the hand-held 17-3 of place of lever, drive lever 17 to rotate moving axis 18 while going to vertical state, the short boss 17-1 of place of lever straight up, spring 15 is in free state, spring 15 contacts the 17-1 upper surface, short boss place of lever and the end face of stay bolt 13, link 12 strains at hook 11, realizes left and right opening door or the upper downward swing door of fastened housing.
In the time need to carrying out the locking after a body is closed to the casing of left and right opening door or upper downward swing door, first, carry the hand-held 17-3 of place of (pushing away) lever, drive lever 17 to rotate moving axis 18 while going to level, the 17-2 of high boss place of lever straight up, spring 15 contacts the 17-2 upper surface, high boss place of lever and the end face of stay bolt 13, and link 12 is enclosed within on hook 11; Press down again the hand-held 17-3 of place of lever, drive lever 17 to rotate moving axis 18 while going to vertical state, the short boss 17-1 of place of lever straight up, spring 15 contacts the 17-1 upper surface, short boss place of lever and the end face of stay bolt 13, link 12 strains at hook 11, realizes left and right opening door or the upper downward swing door of fastened housing. When carrying out a body while opening to the casing of left and right opening door or upper downward swing door, on carry the hand-held 17-3 of place of (pushing away) lever, drive lever 17 to rotate moving axis 18 while going to level, the 17-2 of high boss place of lever straight up, spring 15 contacts the 17-2 upper surface, high boss place of lever and the end face of stay bolt 13, link 12 is removed from linking up with 11, realized left and right opening door or the upper downward swing door of opening casing.
Claims (1)
1. a locking device, comprise hook (11), link (12), stay bolt (13), locking nut (14), spring (15), link (16), lever (17), the short boss place (17-1) of lever, the high boss place (17-2) of lever, the hand-held place (17-3) of lever and turning cylinder (18); Stay bolt (13) is through link (16), and spring (15) and link (12), connect as one by locking nut (14); Lever (17) comprises the short boss place (17-1) of lever, three, hand-held place (17-3) primary structure of the high boss place (17-2) of lever and lever, it is characterized in that: the moulding of described hook (11) is L-type, metal material, on the casing that is fixed on left and right opening door or upper downward swing door Yishanmen wherein; Lever (17) is assemblied on turning cylinder (18), the moving axis (18) that rotates rotates, link (16) and turning cylinder (18) connect as one, and are fixed on the another Yishanmen of casing of left and right opening door or upper downward swing door; On carry the hand-held place (17-3) of (pushing away) lever, drive lever (17) moving axis (18) that rotates to go to level, the high boss place (17-2) of lever straight up, spring (15) is compressed, spring (15) contacts (17-2) upper surface, high boss place of lever and the end face of stay bolt (13), the bottom of link (12) inner ring is higher than the L-type top of hook (11), and link (12) is enclosed within on hook (11); Press down the hand-held place (17-3) of lever, drive lever (17) moving axis (18) that rotates to go to vertical state, the short boss place (17-1) of lever straight up, spring (15) is in free state, spring (15) contacts (17-1) upper surface, short boss place of lever and the end face of stay bolt (13), link (12) strains at hook (11), the left and right opening door of fastened housing or upper downward swing door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718920.7A CN104453502B (en) | 2014-12-02 | 2014-12-02 | A kind of locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718920.7A CN104453502B (en) | 2014-12-02 | 2014-12-02 | A kind of locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453502A CN104453502A (en) | 2015-03-25 |
| CN104453502B true CN104453502B (en) | 2016-05-11 |
Family
ID=52900185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718920.7A Expired - Fee Related CN104453502B (en) | 2014-12-02 | 2014-12-02 | A kind of locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104453502B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229525B (en) * | 2020-01-09 | 2021-07-20 | 浙江日鼎涂装科技有限公司 | Dry-type spray booth with locking Assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557651Y (en) * | 2002-06-24 | 2003-06-25 | 长春一汽四环车箱制品厂 | Vehicle cage lock assembly |
| KR20060023345A (en) * | 2004-09-09 | 2006-03-14 | 현대자동차주식회사 | Operation structure for catch assembly of truck |
| CN201205931Y (en) * | 2008-05-09 | 2009-03-11 | 沈阳铭辰汽车有限公司 | Lorry body wing display plate pressing lock |
| CN202000787U (en) * | 2010-12-30 | 2011-10-05 | 三一重工股份有限公司 | Landing leg locking device and concrete pump truck |
| CN203047404U (en) * | 2012-12-18 | 2013-07-10 | 诸城福田汽车科技开发有限公司 | Locking mechanism and engineering truck |
| CN203113973U (en) * | 2013-03-15 | 2013-08-07 | 陈友初 | Sliding door and window spring lock |
| CN204283023U (en) * | 2014-12-02 | 2015-04-22 | 安徽工程大学 | A kind of locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2966488B1 (en) * | 2010-10-21 | 2012-10-26 | Aircelle Sa | LOCKING DEVICE WITH MECHANICAL DETECTION OF CLOSURE AND OPENING |
-
2014
- 2014-12-02 CN CN201410718920.7A patent/CN104453502B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557651Y (en) * | 2002-06-24 | 2003-06-25 | 长春一汽四环车箱制品厂 | Vehicle cage lock assembly |
| KR20060023345A (en) * | 2004-09-09 | 2006-03-14 | 현대자동차주식회사 | Operation structure for catch assembly of truck |
| CN201205931Y (en) * | 2008-05-09 | 2009-03-11 | 沈阳铭辰汽车有限公司 | Lorry body wing display plate pressing lock |
| CN202000787U (en) * | 2010-12-30 | 2011-10-05 | 三一重工股份有限公司 | Landing leg locking device and concrete pump truck |
| CN203047404U (en) * | 2012-12-18 | 2013-07-10 | 诸城福田汽车科技开发有限公司 | Locking mechanism and engineering truck |
| CN203113973U (en) * | 2013-03-15 | 2013-08-07 | 陈友初 | Sliding door and window spring lock |
| CN204283023U (en) * | 2014-12-02 | 2015-04-22 | 安徽工程大学 | A kind of locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104453502A (en) | 2015-03-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191202 |