CN203050312U - Adjustable locking and hooking mechanism - Google Patents
Adjustable locking and hooking mechanism Download PDFInfo
- Publication number
- CN203050312U CN203050312U CN 201220713113 CN201220713113U CN203050312U CN 203050312 U CN203050312 U CN 203050312U CN 201220713113 CN201220713113 CN 201220713113 CN 201220713113 U CN201220713113 U CN 201220713113U CN 203050312 U CN203050312 U CN 203050312U
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- CN
- China
- Prior art keywords
- adjustable
- bearing pin
- bearing
- pin
- locking
- 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 - Lifetime
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Abstract
The utility model relates to an adjustable locking and hooking mechanism. The adjustable locking and hooking mechanism comprises locking and hooking components, a support, a pin shaft and a locking nut, wherein the two ends of the support are provided with convex lugs; one end part of the pin shaft is provided with an end cap, a shaft body is sheathed in the convex lugs of the support, the other end part of the pin shaft extends out of the support, and the locking nut is sheathed at the extending end and is used for locking the pin shaft; the adjustable locking and hooking mechanism is also provided with adjustable bushes and a rotary adjusting component, wherein the rotary adjusting component is arranged on the inner side of one convex lug and can adjust the adjustable bushes in a rotating manner; the central lines of inner holes of the adjustable bushes deviate from the axis lines of the adjustable bushes, and the adjustable bushes are sheathed at the middle part of the shaft body of the pin shaft by the inner holes; the rotary adjusting component comprises adjusting cams connected at one end parts of the bushes and adjusting pins capable of adjusting the adjustable bushes in a rotating manner, and the adjusting pins can be inserted into the convex lugs in a transitional-matching manner; and locking hooks of the locking and hooking components are sheathed in the adjustable bushes. The adjustable locking and hooking mechanism has the advantages that the jointing degree between the locking hook and the adjustable bushes is adjusted by rotating the adjustable bushes, so that the stressing of all the locking and hooking components is uniform.
Description
Technical field
The utility model relates to the latch hook mechanism of aircraft door, especially a kind of adjustable latch hook mechanism.
Background technology
Aircraft cabin often is connected by hinge-latch hook structure with outward opening large-scale hatch door, and namely hinge is adopted in the upper end, in order to rotarily open hatch door, the latch hook structure is adopted in the lower end, generally by 3 above latch hook power transmissions, so that transmitting portions flight shearing and inside and outside differential pressure.And the lining of existing latch hook mechanism center shafting and axle can't be adjusted the applying degree with latch hook, cause the discontinuity between each latch hook, cause the latch hook structural damage easily; Installation accuracy requires height in addition, occurs the gap easily and causes the latch hook structural failure to be scrapped greatly.
Summary of the invention
At the deficiencies in the prior art, the technical problems to be solved in the utility model provides the applying degree of a kind of rotatable adjustment latch hook and lining and axle, makes the stressed uniform adjustable latch hook of each latch hook mechanism.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of adjustable latch hook mechanism, comprise that lock hook assembly, two ends respectively are provided with the bearing of a lug, bearing pin and locking nut, described bearing pin one end is provided with end cap, described bearing pin axle body is set in the lug of described bearing and the other end stretches out in bearing, and the end of stretching out that described locking nut is set in described bearing pin axle body is used for the described bearing pin of locking; Also be provided with adjustable buss and be located at the inboard of described one of them lug of bearing and adjust the rotation adjusting part of described adjustable buss rotationally, the axial line of the described adjustable buss of disalignment of the endoporus of described adjustable buss, described adjustable buss are set in the axle body middle part of described bearing pin rotationally by its endoporus; Described rotation adjusting part comprises the adjustment cam that is connected in described lining one end and adjusts the adjusting pin of described adjustable buss rotationally by described adjustment cam, describedly is plugged in the lug of described bearing with regulating the pin interference fits; The latch hook rhampotheca of described lock hook assembly is in described adjustable buss.
As the improvement to technical solutions of the utility model, described bearing pin is adjustable bearing pin, the axial line of described adjustable bearing pin axle body is offset the axial line of described adjustable bearing pin, described adjustable bearing pin is adjusted rotationally by the described rotation adjusting part of being located at another lug inboard of described bearing, the adjustment cam of described rotation adjusting part is connected in the adjustable bearing pin axle body near another lug inboard of described bearing, adjust rotationally by described adjustment cam described adjustable bearing pin adjusting pin interference fits be plugged in another lug of described bearing.
As the improvement to the adjusting pin, the axial line of the adjusting bearing pin body of described adjusting pin is offset the axial line of himself, makes the axle body of described adjusting pin form eccentric cylinder.
With respect to prior art, the beneficial effects of the utility model are: adjust adjustable buss rotationally by rotating adjusting part, utilize the eccentric structure of adjustable buss endoporus and cylindrical, and then the latch hook of adjustment lock hook assembly and the applying degree between the adjustable buss, make each lock hook assembly stressed evenly, improve latch hook reliability of structure and application life; Simultaneously can reduce the installation accuracy requirement of latch hook structure, and then effectively improve the qualification rate of latch hook structure mounting process.
Description of drawings
Fig. 1 is the structural representation of a kind of adjustable latch hook of the utility model mechanism;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is adjustable buss and the schematic diagram that rotates adjusting part;
Fig. 4 is the structural representation of adjustable bearing pin.
Among the figure, 1 is the pin hook assembly; 2 is bearing;
3 is bearing pin; 3a is adjustable bearing pin;
4 is locking nut; 5 is adjustable buss;
6 for rotating adjusting part; 11 is latch hook;
12 is the latch hook rotating shaft; 13 is the latch hook drive rod;
21,22 is lug; 31 is end cap;
32 is axle body; 31a is adjustable pin axle head cap;
32a is adjustable bearing pin axle body; 51 is endoporus;
61 is adjustment cam; 62 for regulating pin;
C1 is the adjustable buss axial line; C2 is inner hole centreline;
C3 is the axial line of adjustable bearing pin; C4 is the axial line of adjustable bearing pin axle body.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2 and shown in Figure 3, a kind of adjustable latch hook of the utility model mechanism comprises that lock hook assembly 1, two ends respectively are provided with lug (21,22) bearing 2, bearing pin 3, locking nut 4, adjustable buss 5 and be located at the inboard of one of them lug 21 of bearing and adjust the rotation adjusting part 6 of adjustable buss rotationally, latch hook 11 rhampothecas of described lock hook assembly 1 are in adjustable buss 5; Described bearing pin 3 one ends are provided with end cap 31, and bearing pin axle body 32 is set in the lug (21,22) of bearing and the other end stretches out in bearing 2; The end of stretching out that described locking nut 4 is set in the bearing pin axle body is used for the locking bearing pin; The axial line C1 of the center line C2 skew adjustable buss of the endoporus 51 of described adjustable buss 5, be that inner hole centreline C2 does not overlap with adjustable buss axial line C1, form the eccentric structure of adjustable buss endoporus and cylindrical, adjustable buss 5 is set in the middle part of the axle body 32 of bearing pin 3 rotationally by its endoporus 51, tuneable bushing axial line C1 also has skew with the axial line of bearing pin thus, makes that the fitting part of adjustable buss and latch hook is the eccentric cylinder structure; Described rotation adjusting part 6 comprises by pin or key and is connected in the adjustment cam 61 of described lining one end and the adjusting pin 62 of adjusting adjustable buss by described adjustment cam rotationally, preferably, the axial line of the axle body of described adjusting pin is offset the axial line of himself, makes the axle body of described adjusting pin form eccentric cylinder.Be plugged in the lug 21 of bearing with can regulating pin 62 interference fits; Latch hook 11 rhampothecas of described lock hook assembly 1 are in adjustable buss 5.
The adjustment mode of the adjustable latch hook of the utility model mechanism is: make the lug matched in clearance of regulating pin 61 and bearing earlier, pin 61 is regulated in rotation, driving adjustment cam 62 rotates, driving adjustable buss 5 by adjustment cam 62 simultaneously rotates, make adjustable buss and latch hook fitting part form the off-centre operation cylinder, in rotating process, note the applying degree (can by estimate or to the latch hook forces testing) between latch hook 11 and the adjustable buss 5, when the latch hook of several adjustable latch hook mechanism and the applying degree of adjustable buss 5 quite can be finished adjustment, finish and to regulate being fixed in the lug of pin interference fit after the adjustment, at last by locking nut and the counter-rotational reaction force locking of adjusting pin latch hook mechanism, fixedly the applying degree between latch hook 11 and the adjustable buss 5.
The utility model is adjusted adjustable buss rotationally by rotating adjusting part, utilize the eccentric structure of adjustable buss endoporus and cylindrical, and then adjust the latch hook of lock hook assembly and the applying degree between the adjustable buss, and make each lock hook assembly stressed evenly, improve latch hook reliability of structure and application life; Simultaneously can reduce the installation accuracy requirement of latch hook structure, and then effectively improve the qualification rate of latch hook structure mounting process.
More preferably, as shown in Figure 4, described bearing pin is adjustable bearing pin 3a, the axial line C4 of described adjustable bearing pin axle body is offset the axial line C3 of described adjustable bearing pin, the axle body 32a that makes adjustable bearing pin is the eccentric cylinder structure with respect to its end cap 31a in rotating adjustment process, adjustable bearing pin 3a rotates by the rotation adjusting part 6 of being located at another lug 22 inboards of bearing and adjusts, the adjustment cam 61 of rotating adjusting part is connected in adjustable bearing pin axle body 32a near another lug 22 inboards of bearing by pin or key, adjust rotationally by adjustment cam adjustable bearing pin adjusting pin 62a interference fits be plugged in another lug 22 of bearing 2.It is identical with adjustable buss that mode is adjusted in the rotation of adjustable bearing pin.Rotating the mode of adjusting is: when rotating the adjustment adjustable buss, adjust adjustable bearing pin, the adjusting pin 61 that namely makes two lug inboards earlier all with the lug matched in clearance of bearing, rotate two and regulate pin 61, driving an adjustment cam 62 separately rotates, drive adjustable bearing pin 31a and adjustable buss 5 rotations respectively by adjustment cam 62, make adjustable buss and latch hook fitting part form the eccentric bigger face of cylinder, in rotating process, note the applying degree (can by estimate or to the latch hook forces testing) between latch hook 11 and the adjustable buss 5, quite can finish adjustment when the latch hook of several adjustable latch hook mechanism and the applying degree of adjustable buss 5, finish and all to regulate being fixed in the lug of pin interference fit after the adjustment.By adjustable bearing pin and the dual rotation adjustment of adjustable buss, make adjusting range bigger, make each lock hook assembly stressed more even, and then improve better latch hook reliability of structure and application life; Can further reduce simultaneously the installation accuracy requirement to the latch hook structure, make the qualification rate of latch hook structure mounting process higher.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (3)
1. adjustable latch hook mechanism, comprise that lock hook assembly, two ends respectively are provided with the bearing of a lug, bearing pin and locking nut, described bearing pin one end is provided with end cap, described bearing pin axle body is set in the lug of described bearing and the other end stretches out in bearing, and the end of stretching out that described locking nut is set in described bearing pin axle body is used for the described bearing pin of locking; It is characterized in that: also be provided with adjustable buss and be located at the inboard of described one of them lug of bearing and adjust the rotation adjusting part of described adjustable buss rotationally, the axial line of the described adjustable buss of disalignment of the endoporus of described adjustable buss, described adjustable buss are set in the axle body middle part of described bearing pin rotationally by its endoporus; Described rotation adjusting part comprises the adjustment cam that is connected in described lining one end and adjusts the adjusting pin of described adjustable buss rotationally by described adjustment cam, describedly is plugged in the lug of described bearing with regulating the pin interference fits; The latch hook rhampotheca of described lock hook assembly is in described adjustable buss.
2. adjustable latch hook according to claim 1 mechanism, it is characterized in that: described bearing pin is adjustable bearing pin, the axial line of described adjustable bearing pin axle body is offset the axial line of described adjustable bearing pin, described adjustable bearing pin is adjusted rotationally by the described rotation adjusting part of being located at another lug inboard of described bearing, the adjustment cam of described rotation adjusting part is connected in the adjustable bearing pin axle body near another lug inboard of described bearing, adjust rotationally by described adjustment cam described adjustable bearing pin adjusting pin interference fits be plugged in another lug of described bearing.
3. adjustable latch hook according to claim 1 and 2 mechanism is characterized in that: himself axial line of the axial line skew of the adjusting bearing pin body of described adjusting pin makes the axle body of described adjusting pin form eccentric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713113 CN203050312U (en) | 2012-12-21 | 2012-12-21 | Adjustable locking and hooking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713113 CN203050312U (en) | 2012-12-21 | 2012-12-21 | Adjustable locking and hooking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050312U true CN203050312U (en) | 2013-07-10 |
Family
ID=48733278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220713113 Expired - Lifetime CN203050312U (en) | 2012-12-21 | 2012-12-21 | Adjustable locking and hooking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050312U (en) |
-
2012
- 2012-12-21 CN CN 201220713113 patent/CN203050312U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201211 Address after: 519000 building 201, No.999, Jinhai Middle Road, Jinwan District, Zhuhai City, Guangdong Province Patentee after: SOUTH CHINA AIRCRAFT INDUSTRY CO., LTD. OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. Address before: Room 218, 2 / F, building 2, No.3 Xiasha street, Wanchai, Zhuhai, Guangdong 519040 Patentee before: R&D INSTITUTE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |