CN208934548U - 3 locksets being configured in aviation dining car - Google Patents

Abstract

In order to solve the lock tongue of aviation dining car in the prior art in the lower easy fracture that clashes, use unsafe technical problem, the utility model provides a kind of three be configured in aviation dining car lockset, including lock collar, handle, lock tongue terminal pad and three lock tongues, small bearing is installed in lock collar, the fixed fixing axle in a position is inserted in the inner ring of small bearing, the both ends of fixing axle are convex to be fixedly connected outside disk and respectively with the center of an end of handle and lock tongue terminal pad；Lock tongue fixed disk is provided with three shafts with respect to the side of lock collar, and the structure of three lock tongues is consistent, and the connecting pin of lock tongue, which is provided with, is connected with the rotating shaft axis hole, and insertion end is provided with the guide part in insertion lock slot body.The fixed connection structure that top, bottom and the side of meal door form trigonometric expression with car body very securely can resist biggish impact force.

Description

3 locksets being configured in aviation dining car

Technical field

The utility model belongs to aviation cooking apparatus technical field, especially relates to the lock being configured in aviation dining car Tool.

Background technique

At present in the flight of China Civil Aviation, food delivery mode relatively simpleization that airline provides to passenger, substantially all It is that traditional hand push serving trolley is taken to work.Dining car on airline carriers of passengers is generally divided into dining car, dinnerware vehicle, beverage truck, rubbish Vehicle.Although huge number, their structure is all identical.And under normal circumstances, crew can mush to patrolling Under flying height degree and the stable situation of flight progress, food and beverage sevice is provided to passenger.When the mistake in crew's offer room service Cheng Zhong, if aircraft jolts, in order to guarantee flight safety, crew can first be stepped on foot mounted in hand push serving trolley bottom Brake pedal, this pedal can temporarily limit the movement of vehicle.But if air craft battery degree is excessive, crew can be on termination machine Stand is specified in service on withdrawal machine after serving trolley is locked.Clothes are provided to passenger after aircraft process safety, then again Business.

Currently, lockset used in dining car is some locksets of only one lock bolt structure, lock tongue is inserted into the lock of side edge door frame Meal door is lockked in slot, but if air craft battery degree is excessive, pallet and article in dining car hit meal door together, if lock tongue is disconnected It splits, door of eating opening, the article moment in dining car, which flies out, is easy to strike passenger, not only endangers the life security of passenger, also damages The service image of airline.Therefore, it is necessary to be improved to dining car lockset, to prevent the above-described problem from occurring.

Utility model content

3 safe locksets are used the purpose of the utility model is to provide a kind of.

In order to achieve the above objectives, the technical solution of the utility model is as follows:

3 locksets being configured in aviation dining car, including lock collar, handle, lock tongue terminal pad and three lock tongues, described Hand is located at the front of the lock collar, and the lock tongue terminal pad is located at the back side of the lock collar；Small bearing is installed in the lock collar, Be inserted with the fixed fixing axle in a position in the inner ring of the small bearing, the both ends of the fixing axle it is convex outside disk and point It is not fixedly connected with the center of an end of the handle and the lock tongue terminal pad；

The side of the relatively described lock collar of lock tongue fixed disk is provided with three shafts, and two of them shaft is symmetrically located at The two sides at center, shape angle in 90 ° between another shaft and other shafts；The structure of three lock tongues is consistent, lock tongue Connecting pin is provided with the axis hole connecting with the shaft, and insertion end is provided with the guide part in insertion lock slot body, the guide part Thickness be greater than the lock tongue body thickness.

Three lock tongues are respectively correspondingly inserted into in-flight meal roof, bottom and the lock slot body of side, top, the bottom of door of eating The fixed connection structure that portion and side form trigonometric expression with car body very securely can resist biggish impact force, even if certain The fracture of root lock tongue, remaining lock tongue can also live meal door lock.

Further, the front of the lock collar is provided with the groove being rearwardly recessed, arc is provided in the groove Guide part；Arc groove taking the fixed axis as the center of a circle is provided in the arc guide piece, the relatively described fixing axle of the handle One end is provided with the guide pad being inserted into the arc groove.Arc groove is the rotary steering of handle, and both ends are handle rotation Limit point, this structure can guarantee the flexible precision of lock tongue.

Further, there are two symmetrically rotation stop planes for the both ends tool of the fixing axle.

Further, being equipped with two Gen Kasi in the shaft, the connecting pin of the lock tongue is between two Gen Kasi. Two Gen Kasi can limit the installation site of lock tongue, to prevent lock tongue to be detached from from shaft, be also possible to prevent lock tongue and stretching Inclination is displaced in journey.

Further, the side of the relatively described lock collar of lock tongue terminal pad is provided with lock collar lid, the shaft insertion In the axis hole of the lock collar lid.A semi-enclosed installation space is formed between lock collar lid and lock tongue terminal pad, shaft is located at peace The thickness that the length in space is slightly larger than lock tongue ontology is filled, can prevent lock tongue from slipping from shaft in this way, be also possible to prevent to lock Tongue is displaced inclination in telescopic process.

Further, it is provided with the protrusion for being fitted in the lock collar lid medial surface at the center of the lock tongue terminal pad, The lobed interior is provided with the through-hole that center hole connection is connect with the lock tongue；The fixing axle pass through the through-hole and with The lock collar lid is connected using bolt.

Further, two lock tongues being installed in two symmetrical shafts are laminated structure, it is provided with Several holes to form a line are mounted on the connector being mounted in meal door in every described hole.Due to in-flight meal Vehicle is higher, and the lock tongue for being inserted into car body top and top is all longer, and top lock tongue and the middle section of bottom lock tongue are movably connected in It eats in door, ensure that the stretch stability of lock tongue.

Compared with prior art, the utility model has the beneficial effects that three lock tongues can form three in dining car door-plate The fixed connection structure of angie type very securely enables dining car door-plate to resist biggish impact force, even if certain root lock tongue is broken, Remaining lock tongue can also live meal door lock.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.

Fig. 1 is the front view of 3 locksets disclosed in embodiment one；

Fig. 2 is the front view of lock tongue terminal pad disclosed in embodiment one；

Fig. 3 is A-A cross-sectional view in Fig. 1；

Fig. 4 is the front view of lock collar lid disclosed in embodiment three；

Fig. 5 is the front view of aviation dining car disclosed in example IV；

Fig. 6 is the schematic diagram of top lock tongue disclosed in example IV.

The label in accompanying drawing is:

10. lock collar, 11. grooves, 12. guide pads, 20. handles, 21. guide pads, 30. lock tongue terminal pads, 31.32.33. turn Axis, 34. protrusions, 35. through-holes, 37. centre bores, 40. lock tongues, 50. lock collar lids, 51. axis holes, 60. meal doors, 70. car bodies, 80. close Page.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.

Embodiment one

3 locksets shown in Figure 1 are installed on when in use in meal door, mainly include lock collar 10, handle 20, lock Tongue terminal pad 30 and three lock tongues 40.

Handle is located at the front of lock collar, and lock tongue terminal pad is located at the back side of lock collar.

Small bearing is installed in lock collar, a position is inserted in the inner ring of small bearing and fixes, is symmetrical there are two the tools of both ends The fixing axle of ground rotation stop plane.The both ends of fixing axle it is convex outside disk and respectively with an end of handle and lock tongue terminal pad Center be fixedly connected.

Referring to fig. 2 with 3, lock tongue fixed disk is provided with three shafts 31,32 and 33, shaft 31,32 with respect to the side of lock collar The two sides at center are symmetrically located at, shape angle in 90 ° between shaft 33 and other shafts；The structure of three lock tongues is consistent, lock tongue Connecting pin be provided with and be connected with the rotating shaft axis hole, insertion end is provided with the guide part in insertion lock slot body, the thickness of guide part Greater than the body thickness of lock tongue.

The front of lock collar is provided with the groove 11 being rearwardly recessed, and is provided with arc guide piece 12 in groove；Arcuate guide Arc groove taking the fixed axis as the center of a circle is provided in part, one end of the relatively fixed axis of handle is provided with the guiding in insertion arc groove Block 21.Arc groove is the rotary steering of handle, and top is the upper limit site of handle rotation, and bottom end is lower limit site, can from Fig. 1 To find out, handle is gone at lower limit site, and lock tongue is inserted into corresponding lock slot body, and handle is gone at upper limit site, and lock tongue leaves Corresponding lock slot body.

Embodiment two

Lock tongue is rotatably to connect in shaft, crooked in shaft in order to ensure against lock tongue, it is therefore necessary to Yao Zhuan The installation site of axis upper limit lock tongue.In the present embodiment by one of installation to the lock tongue in embodiment one in shaft Mode is introduced.

The card silk that two spacing are slightly larger than lock tongue connecting pin thickness is installed, the connecting pin of lock tongue is located at two cards in shaft Between silk.In order to which card silk to be fixed in shaft, need to process annular groove in shaft.

Embodiment three

Lock tongue is rotatably to connect in shaft, crooked in shaft in order to ensure against lock tongue, it is therefore necessary to Yao Zhuan The installation site of axis upper limit lock tongue.In the present embodiment by another installation side to the lock tongue in embodiment one in shaft Formula is introduced.

Lock tongue terminal pad is provided with lock collar lid 50 (referring to fig. 4) with respect to the side of lock collar, and shaft is inserted into the axis hole of lock collar lid In 51.A semi-enclosed installation space is formed between lock collar lid and lock tongue terminal pad, shaft is located at the length in installation space It slightly larger than the thickness of lock tongue ontology, can prevent lock tongue from slipping from shaft in this way, be also possible to prevent lock tongue in telescopic process It is displaced inclination.

The diameter and length for the shaft being arranged in lock tongue terminal pad are all smaller, are not appropriate for installation and limit lock collar lid installation position The component set, so being arranged limiting component in lock tongue terminal pad, specific structure is: being provided at the center of lock tongue terminal pad It is fitted in the protrusion 34 (referring to fig. 2 with 3) of lock collar lid medial surface, lobed interior, which is provided with, connect center hole connection with lock tongue Through-hole 35, fixing axle are passed through through-hole and are connected with lock collar lid using bolt.

Example IV

The aviation dining car of 3 locksets described in embodiment three is equipped with shown in Fig. 5 comprising meal door 60, vehicle Body 70 and 3 locksets, meal door are mounted on the inlet of car body using hinge 80.Top, bottom and the side edge of car body are respectively provided with It is embedded with lock slot body and handle is gone into lower-limit point, three lock tongues are respectively correspondingly inserted into car body top, bottom after meal door is closed In the lock slot body of portion and side.Top, bottom and the side of meal door form the fixed connection structure of trigonometric expression with car body, very Securely, biggish impact force can be resisted, even if certain root lock tongue is broken, remaining lock tongue can also be lived meal door lock.

Since aviation dining car is higher, the lock tongue for being inserted into car body top and top is all longer, in order to guarantee the flexible steady of lock tongue It is qualitative, top lock tongue and bottom lock tongue are movably connected in meal door.Referring to Fig. 6, the structure of top lock tongue and bottom lock tongue It unanimously, is laminated structure, one end, which has, is connected with the rotating shaft connecting hole 41, and the other end has the guiding in insertion lock slot body Portion 42, middle section are provided with several holes 43 to form a line, are mounted on one in every described hole and are mounted on meal door In connector 44.

Various modifications to these embodiments will be readily apparent to those skilled in the art, herein Defined General Principle can be real in other embodiments without departing from the spirit or scope of the present utility model It is existing.Therefore, the present invention will not be limited to the embodiments shown herein, and be to fit to it is disclosed herein Principle and the consistent widest scope of features of novelty.

Claims (7)

1. 3 locksets being configured in aviation dining car, which is characterized in that including lock collar, handle, lock tongue terminal pad and three locks Tongue, the handle are located at the front of the lock collar, and the lock tongue terminal pad is located at the back side of the lock collar；It is installed in the lock collar There is small bearing, the fixed fixing axle in a position is inserted in the inner ring of the small bearing, the both ends of the fixing axle are convex in disk It is fixedly connected outside face and with the center of an end of the handle and the lock tongue terminal pad respectively；

The side of the relatively described lock collar of lock tongue fixed disk is provided with three shafts, and two of them shaft is symmetrically located at center Two sides, shape angle in 90 ° between another shaft and other shafts；The structure of three lock tongues is consistent, the connection of lock tongue End is provided with the axis hole connecting with the shaft, and insertion end is provided with the guide part in insertion lock slot body, the thickness of the guide part Degree is greater than the body thickness of the lock tongue.

2. three be configured in aviation dining car lockset according to claim 1, which is characterized in that the front of the lock collar It is provided with the groove being rearwardly recessed, is provided with arc guide piece in the groove；It is provided in the arc guide piece with solid Dead axle is the arc groove in the center of circle, and one end of the relatively described fixing axle of the handle is provided with the guiding being inserted into the arc groove Block.

3. three be configured in aviation dining car lockset according to claim 2, which is characterized in that the two of the fixing axle There are two symmetrically rotation stop planes for end tool.

4. three be configured in aviation dining car lockset according to claim 3, which is characterized in that installed in the shaft There are two Gen Kasi, the connecting pin of the lock tongue is between two Gen Kasi.

5. three be configured in aviation dining car lockset according to claim 3, which is characterized in that the lock tongue terminal pad The side of the relatively described lock collar is provided with lock collar lid, and the shaft is inserted into the axis hole of the lock collar lid.

6. three be configured in aviation dining car lockset according to claim 5, which is characterized in that the lock tongue terminal pad Center at be provided with the protrusion for being fitted in the lock collar lid medial surface, the lobed interior is provided with and the lock tongue terminal pad The through-hole of centre bore connection；The fixing axle is passed through the through-hole and is connected with the lock collar lid using bolt.

7. three be configured in aviation dining car lockset according to claim 6, which is characterized in that be installed on two symmetrically Shaft on two lock tongues be laminated structure, several holes to form a line are provided with, in every described hole It is mounted on the connector being mounted in meal door.