CN207725627U - A kind of quick-release type chair leg lock being suitable for floor deformation - Google Patents
A kind of quick-release type chair leg lock being suitable for floor deformation Download PDFInfo
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- CN207725627U CN207725627U CN201721589427.5U CN201721589427U CN207725627U CN 207725627 U CN207725627 U CN 207725627U CN 201721589427 U CN201721589427 U CN 201721589427U CN 207725627 U CN207725627 U CN 207725627U
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- China
- Prior art keywords
- chair leg
- lock
- quick
- release type
- lock body
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Abstract
The utility model is related to the bindiny mechanisms of helicopter rear deck seat and cabin guide rail, and in particular to a kind of quick-release type chair leg lock being suitable for floor deformation.Quick-release type chair leg lock includes locked component and chair leg connector, and the locked component realizes with General guide rail cooperation and be rapidly assembled and disassembled that leg connector links together with seat mobile jib (chair leg).Chair leg lock matching aviation General guide rail, unlock locking are not necessarily to tool, and adapt to complicated airplane floor deformation operating mode.
Description
Technical field
The utility model is related to the bindiny mechanisms of helicopter rear deck seat and cabin guide rail, and in particular to one kind being suitable for ground
The quick-release type chair leg lock of plate deformation.
Background technology
Since helicopter accessibility is high, application range is extremely wide, is known as general-purpose aircraft, can be used for transporting occupant, vehicle
, equipment etc. comes in and goes out complicated landform.Therefore rear cockpit occupant's seat that helicopter is equipped with is required to the energy that there is Fast Installation to dismantle
Power, to adapt to the multi-functional demand of helicopter.And chair leg lock is the critical component for realizing the dismounting of seat Fast Installation.
From 202557798 U, CN 204473145 of patent searching document CN in U and 205801524 U of CN known to it is existing
Chair leg lock realize the installation and removal of fast seat and cabin, but there are still some disadvantages：
1) need tool that could unlock.The chair leg lock of 202557798 U patent disclosures of CN need to press after anti-unlocking part
Hexagon-headed bolt is unscrewed with spanner；The chair leg lock of CN 204473145U patent disclosures needs to be pushed up the second guide post inwards with tool
To unlock；The chair leg lock of 205801524 U patent disclosures of CN is needed with hexagonal pin solution in allen wrench rotary pressure plate both sides
Lock.
2) airplane floor deformation fault tolerance is poor.It is placed at the top of rear deck due to going straight up to mechanomotive force, when helicopter takes off, cabin
Top and bulkhead will produce larger deformation, in the no longer same perpendicular of upper lower interface of possible seat, seat occur and are difficult to
The phenomenon that installation and seat bear to take off load and damage.
Invention content
The purpose of this utility model：In order to solve, existing chair leg lock needs tool to unlock, floor deformation fault tolerance is poor, knot
The problem of structure complexity, the utility model provide a kind of quick-release type chair leg lock being suitable for floor deformation.
The technical solution of the utility model：
A kind of quick-release type chair leg lock being suitable for floor deformation, including locked component and chair leg connector, the lock
Determine component to be rapidly assembled and disassembled with General guide rail cooperation realization, leg connector is connected to one with seat mobile jib (chair leg)
It rises.
The General guide rail is aviation General guide rail, meets HB6870 standards.
The locked component includes straight pin, elastic cylindrical pin, Upper gasket, compressed spring, lower gasket, lock body, clamping block
And tapered end.The lock body and tapered end are linked together by straight pin；The clamping block, Upper gasket, compressed spring are sleeved on
On lock body round bar；The elastic cylindrical pin is connected on the circular through hole of lock body；The clamping block is located above lock body round tooth；
The lower gasket is located above clamping block；The compressed spring is located above lower gasket；The Upper gasket is located in compressed spring
Side；The elastic cylindrical pin is located above Upper gasket.
Round tooth, boss, small sircle hole, big hole, round bar are provided on the lock body, for transmitting latching force.The circle
Shape tooth provides latching force with General guide rail cooperation；The boss plays a part of to unlock rear support clamping block in clamping block, has both and adds
Strengthening tendons act on；The small sircle hole is used for installing elastic cylindrical pin；The big hole is used for installing straight pin；The round bar is used for passing
Pass latching force.
Boss, protrusion circular arc, circular groove, rectangular channel and plane are provided on the clamping block.The boss and General guide rail
Circular hole with closing locking effect；The protrusion circular arc plays release lever；The circular groove is for clamping block to be sleeved on
On the round bar of lock body；The rectangular channel plays a part of to avoid lock body boss；The plane is contacted with guide rail upper surface.
It is provided with big hole and small sircle hole on the tapered end.The big hole, which is used to lock body sheath being mounted in, is previously mentioned round bar
On；The small sircle hole is used for connecting cylinder pin.
Semicircular ring, boss, planar end surface, annular groove, vessel, semicircle orifice, rectangular channel, circle are provided on leg connector
Hole.The semi arch plays clamping block unlock limit, has both protection compressed spring and decoration function；The boss rises and seat mobile jib
(chair leg) connects positioning action；The planar end surface plays convenient wrench clamping；The annular groove plays loss of weight；The vessel
For accommodating tapered end；Round bar of the semicircle orifice for lock body passes through；The rectangular channel, which is used, to be play a part of to avoid snap lock rationed marketing；
Its effect for being connect with seat mobile jib (chair leg) of the circular hole.
Leg connector can deflect certain angle with respect to lock body any direction.
The utility model has the advantage that and advantageous effect：
1) the utility model chair leg locks unlock locking without tool, and operation is succinctly, conveniently.
2) the utility model chair leg lock chair leg connector can deflect certain angle with respect to lock body any direction, be adapted to multiple
Miscellaneous airplane floor deforms operating mode.
3) the utility model chair leg lock matching aviation General guide rail, it is applied widely.
Description of the drawings
Fig. 1 is the utility model chair leg lock construction schematic diagram；
Fig. 2 is locked out component structure diagram；
Fig. 3 is lock body structure schematic diagram；
Fig. 4 is locked out block structure schematic diagram；
Fig. 5 is lock head structure schematic diagram；
Fig. 6 is chair leg connecting-piece structure schematic diagram；
Fig. 7 is that chair leg lock adapts to floor deformation schematic diagram；
Fig. 8 is that the utility model chair leg lock uses schematic diagram；
Fig. 9 is General guide rail structure chart.
In figure：1- locked components, 2- chair legs connector, 3- General guide rails, 4- seats mobile jib (chair leg), 5- pan head screws,
6- acorn nuts, 101- straight pins, 102- elastic cylindrical pins, 103- Upper gaskets, 104- compressed springs, 105- lower gaskets, 110-
Lock body, 111- round tooths, 112- boss, 113- small sircle holes, 114- big holes, 115- round bars, 120- clamping blocks, 121- boss,
122- protrudes circular arc, 123- circular grooves, 124- rectangular channels, 125- planes, 130- tapered ends, 131- big holes, 132- small sircle holes, 201-
Semicircular ring, 202- boss, 203- planar end surfaces, 204- annular grooves, 205- vessels, 206- semicircle orifices, 207- rectangular channels, 208- circular holes,
301- circular holes, 302- dovetail grooves, α-angle.
Specific implementation mode
Below by specific implementation mode, the utility model is described in further detail：
As shown in Figure 1, a kind of quick-release type chair leg lock being suitable for floor deformation, including locked component 1 and chair leg connector
2；2 each chair leg of leg connector lock needs 2；As shown in Fig. 2, locked component 1 includes straight pin 101, elastic cylinder
Pin 102, Upper gasket 103, compressed spring 104, lower gasket 105, lock body 110, clamping block 120 and tapered end 130.
As shown in figure 3, being provided with round tooth 111, boss 112, small sircle hole 113, big hole 114 and round bar on lock body 110
115；As shown in figure 4, clamping block 120 is provided with boss 121, protrusion circular arc 122, circular groove 123, rectangular channel 124 and plane 125；
As shown in figure 5, being provided with big hole 131 and small sircle hole 132 on tapered end 130；As shown in fig. 6, being provided with half on chair leg connector 2
Annulus 201, boss 202, planar end surface 203, annular groove 204, vessel 205, semicircle orifice 206, rectangular channel 207 and circular hole 208；Such as Fig. 9
It is shown, it is provided with circular hole 301 and dovetail groove 302 on General guide rail 3, meets HB6870 standards.
The clamping block 120, lower gasket 105, compressed spring 104 and Upper gasket 103 are sleeved on the round bar 115 of lock body 110
On, lower gasket 105 is located at 120 top of clamping block, and compressed spring 104 is located at 105 top of lower gasket, and Upper gasket 103 is located at compression
104 top of spring；The elastic cylindrical pin 102 is linked together with lock body 110 by small sircle hole 113, and limitation Upper gasket 103 is played
The effect moved upwards under the effect of compressed spring 104；The straight pin 101 passes through small sircle hole 132 and big hole 114 by tapered end
130 and lock body 110 link together.
The effect of the rectangular channel 124 is to avoid boss 112, and the plane 125 of clamping block 120 is allow to drop to and lock
The upper surface of tooth 111 contacts.
Round tooth 111 on the lock body 110 in setting may pass through the circular hole 301 on General guide rail 3, then along dovetail groove
302 move left and right be staggered 301 position of circular hole after can limit lock body 110 and move up and down.
The semicircular ring 201 being arranged on leg connector 2 plays position-limiting action and guarantor when clamping block 120 lifts unlock upwards
Protect compressed spring 104 and decoration function；Boss 202 plays position-limiting action when seat mobile jib (chair leg) 4 is installed with chair leg lock；Flush end
Face 203 serve convenient wrench remove it is stubborn；Annular groove 204 plays loss of weight；Vessel 205 coordinates limitation chair leg to connect with tapered end 130
The translation freedoms of part 2 retain certain rotary freedom；Rectangular channel 207 plays evacuation elastic cylindrical pin 102；Circle
Hole 208 is used for installing attachment screw.
Fig. 7 shows that the utility model is suitable for the quick-release type chair leg lock adaptation floor deformation of floor deformation.Locking
It is freely rotated in the container 205 (spheroid form) that tapered end 130 (spheroid form) on component 1 can be arranged on chair leg connector 2,
And 115 diameter of round bar being arranged on lock body 110 is smaller than the semicircle orifice 206 being arranged on chair leg connector 2, therefore chair leg connector 2 can
The opposite deflection of round bar 115 makes angle [alpha] become a variable, to adapt to different floor deformation situations.
Ranging from 80 °~100 ° of the angle [alpha].
Fig. 8 show the utility model be suitable for floor deformation quick-release type chair leg lock a kind of actual use operating mode show
Meaning.Pan head screw 5 and acorn nut 6 link together 4 and 2 chair leg connectors 2 of seat mobile jib (chair leg).It is upward when use
The protrusion circular arc 122 for lifting clamping block 120, is then rotated by 90 °, 112 upper surface of boss of lock body 110 is made to resist clamping block 120
On plane 125；Then the round tooth 111 on lock body 110 is inserted into after the circular hole 301 on General guide rail 3 and is moved to left or right
The about 12.7mm of lock body 110；Clamping block 120 is rotated back into initial position；Shaking clamping block 120 makes boss 121 enter General guide rail 3
On circular hole 301 in, complete chair leg lock locking.
The compressed spring 104 is that clamping block 120 provides anticreep output.
The spring force size of the compressed spring 104 is 30~50N.
The boss 112 resists plane 125, can make lock body 110 when round tooth 111 is inserted into circular hole 301 and moves left and right
There are certain intervals between clamping block 120, and lock body 110 is facilitated to be slided in General guide rail 3.
Claims (10)
1. a kind of quick-release type chair leg lock being suitable for floor deformation, which is characterized in that including locked component (1) and chair leg connector
(2), the locked component (1) connect with General guide rail (3)；Leg connector (2) is connected to above locked component (1)；
Leg connector (2) links together with seat mobile jib chair leg (4).
2. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 1, which is characterized in that the locking
Component (1) include straight pin (101), elastic cylindrical pin (102), Upper gasket (103), compressed spring (104), lower gasket (105),
Lock body (110), clamping block (120) and tapered end (130), the lock body (110) and tapered end (130) are connected by straight pin (101)
Together；The clamping block (120), Upper gasket (103), compressed spring (104) are sleeved on lock body (110) round bar；It is described
Elastic cylindrical pin (102) is connected on the circular through hole of lock body (110)；The clamping block (120) is located at lock body (110) round tooth
Top；The lower gasket (105) is located above clamping block (120)；The compressed spring (104) is located above lower gasket (105)；
The Upper gasket (103) is located above compressed spring (104)；The elastic cylindrical pin (102) is located above Upper gasket (103).
3. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 1, which is characterized in that each chair leg
Lock contains 2 chair leg connectors (2)；Semicircular ring (201), boss (202), planar end surface are provided on leg connector (2)
(203), annular groove (204), vessel (205), semicircle orifice (206), rectangular channel (207) and circular hole (208).
4. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the lock body
(110) round tooth (111), boss (112), small sircle hole (113), big hole (114) and round bar (115) are provided on.
5. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the locking
Block (120) is provided with boss (121), protrusion circular arc (122), circular groove (123), rectangular channel (124) and plane (125).
6. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the tapered end
(130) big hole (131) and small sircle hole (132) are provided on.
7. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the locking
Block (120), lower gasket (105), compressed spring (104) and Upper gasket (103) are sleeved on the round bar (115) of lock body (110), under
Gasket (105) is located above clamping block (120), and compressed spring (104) is located above lower gasket (105), and Upper gasket (103) is located at
Above compressed spring (104)；The elastic cylindrical pin (102) is linked together with lock body (110) by small sircle hole (113)；Institute
Straight pin (101) is stated tapered end (130) and lock body (110) link together across small sircle hole (132) and big hole (114).
8. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the lock body
(110) round tooth (111) in setting may pass through the circular hole (301) on General guide rail (3).
9. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the lock body
(110) round bar (115) diameter being arranged on is smaller than the semicircle orifice (206) being arranged on chair leg connector (2), therefore chair leg connector
(2) can be deflected with respect to round bar (115) makes angle [alpha] become a variable.
10. a kind of quick-release type chair leg lock being suitable for floor deformation according to claim 2, which is characterized in that the pressure
The spring force size of contracting spring (104) is 30~50N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721589427.5U CN207725627U (en) | 2017-11-23 | 2017-11-23 | A kind of quick-release type chair leg lock being suitable for floor deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721589427.5U CN207725627U (en) | 2017-11-23 | 2017-11-23 | A kind of quick-release type chair leg lock being suitable for floor deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207725627U true CN207725627U (en) | 2018-08-14 |
Family
ID=63088059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721589427.5U Active CN207725627U (en) | 2017-11-23 | 2017-11-23 | A kind of quick-release type chair leg lock being suitable for floor deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207725627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933929A (en) * | 2017-11-23 | 2018-04-20 | 航宇救生装备有限公司 | A kind of quick-release type chair leg lock for being suitable for floor deformation |
-
2017
- 2017-11-23 CN CN201721589427.5U patent/CN207725627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933929A (en) * | 2017-11-23 | 2018-04-20 | 航宇救生装备有限公司 | A kind of quick-release type chair leg lock for being suitable for floor deformation |
| CN107933929B (en) * | 2017-11-23 | 2023-11-21 | 航宇救生装备有限公司 | Quick-release chair leg lock capable of adapting to floor deformation |
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| GR01 | Patent grant |