CN209817679U - Two-point type door lock and aviation dining car using same - Google Patents
Two-point type door lock and aviation dining car using same Download PDFInfo
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- CN209817679U CN209817679U CN201822242872.5U CN201822242872U CN209817679U CN 209817679 U CN209817679 U CN 209817679U CN 201822242872 U CN201822242872 U CN 201822242872U CN 209817679 U CN209817679 U CN 209817679U
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Abstract
The utility model provides a two-point type door lock and an aviation dining car using the same, wherein the door lock comprises a lock body and a lock catch, the lock body is arranged on the door of the dining car, and the lock catch is correspondingly arranged on the cavity of the dining car; the lock body also comprises a handle, a central connecting rod, an upper lock, a lower connecting rod and a lower lock. When the door lock is used, a user holds the handle and lifts upwards, the upper connecting rod and the lower connecting rod are driven by the central connecting rod to move upwards, the rotating lock cylinders connected with the upper connecting rod and the lower connecting rod are driven respectively, a rotating shaft at the joint of the upper connecting rod and the rotating lock cylinders above the rotating lock cylinders is a rotating point and rotates upwards, and therefore the lock tongue is driven to retract, and the door is opened; otherwise, the door is closed. The door lock adopting a two-point structure is more firmly locked than a single-point door lock. The tool to lock adopts upper and lower complex gear structure, and is more durable than the torsional spring structure, does not have the jamming phenomenon. The utility model discloses simple structure, be convenient for maintain to the good reliability, life is longer, further improves the security.
Description
Technical Field
The utility model relates to a tool to lock field of making especially relates to a two point type locks and use its aviation dining car.
Background
An airline trolley has become one of the standard configurations on an aircraft, and is required to carry food to passengers on the aircraft, whether for short or long flights. The door plate locking device of the aviation dining car is arranged on the locking of the dining car, the lock catch is assembled on the door plate, and the lock catch is fixed on the cavity of the dining car. Because the airplane often encounters airflow jolt and the aviation dining car is frequently opened and closed, the lockset on the aviation dining car needs to meet the requirements of fastening, convenience and the like. The existing dining car generally adopts a torsion spring structure, has the clamping stagnation phenomenon, and has the problems of poor reliability, short service life and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a two-point type door lock and an aviation dining car using the same.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a two-point type door lock and an aviation dining car using the same are disclosed, wherein the door lock comprises a lock body and a lock catch, the lock body is arranged on a car door of the dining car, and the lock catch is correspondingly arranged on a car cavity of the dining car; the lock body also comprises a handle, a central connecting rod, an upper lock, a lower connecting rod and a lower lock;
the T-shaped handle comprises a transverse section and a longitudinal section, wherein the transverse section is perpendicular to the longitudinal section, and the transverse section is rotatably arranged at the head end of the longitudinal section; one end of the central connecting rod is connected to the tail end of the longitudinal section, the other end of the central connecting rod is fixedly connected with the upper connecting rod and the lower connecting rod, and the upper connecting rod and the lower connecting rod are symmetrically arranged on the upper side and the lower side of the central connecting rod; the upper lock is connected to one end of the upper connecting rod, which is far away from the central connecting rod, and the lower lock is connected to one end of the lower connecting rod, which is far away from the central connecting rod;
the upper lock comprises a rotating lock cylinder and a fixed lock cylinder; one end of the rotating lock cylinder is rotationally connected with the upper connecting rod, the fixed lock cylinder is fixed below the rotating lock cylinder, matched gears are arranged at the joints of the rotating lock cylinder and the fixed lock cylinder, and the rotating lock cylinder is clamped and rotated on the fixed lock cylinder through the gears; the lock bolt extends out of the vehicle door and corresponds to the lock catch; the lower lock is identical to the upper lock in structure.
Preferably, the upper lock and the lower lock have the same installation direction, that is, when the handle is rotated, the upper lock and the lower lock have the same opening and closing state.
Preferably, the lock tongue is telescopically and fixedly installed on the rotary lock cylinder, and one end of the lock tongue close to the outer side is an inclined plane with a narrow upper part and a wide lower part.
Preferably, the fixed lock cylinder is provided with the bolt.
Preferably, the rotating lock cylinder and the fixed lock cylinder are both made of stainless steel.
Preferably, a lock shell is mounted on the outside of the lock in a covering mode, the handle is located on the outside of the lock shell, and the transverse section is suspended above the lock shell.
Preferably, an arc-shaped opening for the longitudinal section to slide is formed in the lock shell, clamping mechanisms are arranged at two ends of the arc-shaped opening, clamping accessories matched with the clamping mechanisms are arranged on the longitudinal section, the clamping accessories are connected to the buttons on the cross rods, and the buttons control the clamping accessories and the clamping mechanisms to open and close.
Preferably, the utility model discloses another aspect's an aviation dining car, include the two point type tool to lock as any one above.
Compared with the prior art, the beneficial effects of the utility model are that:
the door lock adopting a two-point structure is more firmly locked than a single-point door lock. Through the symmetrical structure of the upper and lower connecting rods and the lock, the upper and lower locks can be simultaneously controlled to be opened or closed by rotating the handle. The tool to lock adopts upper and lower complex gear structure, and is more durable than the torsional spring structure, does not have the jamming phenomenon. The utility model discloses simple structure, be convenient for maintain to the good reliability, life is longer, further improves the security.
Drawings
Fig. 1 is a schematic structural view of a two-point type lock.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1, the present invention provides a two-point door lock and an aviation dining car using the same, wherein the door lock comprises a lock body and a lock catch, the lock body is installed on a door of the dining car, and the lock catch is correspondingly installed on a cavity of the dining car; the lock body also comprises a handle 1, a central connecting rod 2, an upper connecting rod 3, an upper lock 4, a lower connecting rod 5 and a lower lock 6. When the door lock is used, the handle 1 is rotated, the upper lock 5 and the lower lock 6 are opened and closed through the central connecting rod 2, the upper connecting rod 3 and the lower connecting rod 4, and the purpose of opening and closing the door is achieved.
The T-shaped handle 1 comprises a transverse section 11 and a longitudinal section 12, wherein the transverse section 11 is perpendicular to the longitudinal section 12, and the transverse section 11 is rotatably arranged at the head end of the longitudinal section 12; one end of the central connecting rod 2 is connected with the tail end of the longitudinal section 12, the other end of the central connecting rod 2 is fixedly connected with an upper connecting rod 3 and a lower connecting rod 4, and the upper connecting rod 3 and the lower connecting rod 4 are symmetrically arranged on the upper side and the lower side of the central connecting rod; the upper lock 5 is connected to one end of the upper link 3 away from the central link 2, and the lower lock 6 is connected to one end of the lower link 4 away from the central link 2. When the lock is used, the transverse section 11 of the handle 1 is held, the transverse section 11 can rotate on the longitudinal section 12, and can rotate to a proper angle to pull the transverse section upwards or downwards to drive the central connecting rod 2 to move upwards or downwards, so that the upper lock 5 and the lower lock 6 are driven to rotate.
The upper lock 5 comprises a rotary lock cylinder 51 and a fixed lock cylinder 52; one end of a rotating lock cylinder 51 is rotationally connected with the upper connecting rod 3, a fixed lock cylinder 52 is fixed below the rotating lock cylinder 51, matched gears 53 are arranged at the joints of the rotating lock cylinder 51 and the fixed lock cylinder 52, and the rotating lock cylinder 51 is clamped and rotated on the fixed lock cylinder 52 through the gears 53; a bolt 54 is fixedly arranged on the rotary lock core 51, and the bolt 54 extends out of the vehicle door and corresponds to the lock catch; the lower lock 6 has the same structure as the upper lock 5. The structure of the inside gear 53 block of tool to lock is more durable than common torsional spring structure, can not take place the circumstances such as jamming or torsional spring fracture. The structure of gear 53 block also makes the inside structure block of tool to lock comparatively inseparable, and the life of tool to lock is also longer.
When the door lock is used, a user holds the handle 1 and lifts upwards, the upper connecting rod 3 and the lower connecting rod 4 are driven by the central connecting rod 2 to move upwards, the rotating lock cylinders 51 connected with the upper connecting rod 3 and the lower connecting rod 4 are driven respectively, a rotating shaft at the joint of the upper connecting rod 3 and the rotating lock cylinders 51 rotates upwards as a rotating point above the rotating lock cylinders 51, and therefore the lock tongue 54 is driven to retract, and the door is opened; otherwise, the door is closed.
In one embodiment, the upper lock 5 and the lower lock are installed in the same direction 6, that is, when the handle 1 is rotated, the upper lock 5 and the lower lock 6 are opened and closed in the same state. Therefore, two locksets can be driven simultaneously by one action of rotating the handle 1, and the upper side and the lower side can be opened and closed simultaneously.
Furthermore, the latch 54 is telescopically and fixedly installed on the rotary lock cylinder 51, and one end of the latch 54 near the outer side is an inclined surface with a narrow top and a wide bottom. Therefore, when the door is opened and closed, the bolt 54 is to be buckled into the lock catch or the bolt 54 is to slide out of the lock catch, and the inclined surface structure is more beneficial to the movement of the bolt 54.
In one embodiment, the fixed lock cylinder 52 is provided with a latch 54, and the latch 54 on the fixed lock cylinder 52 can play a role in positioning and can make the door more firmly closed.
Preferably, the rotating lock cylinder 51 and the fixed lock cylinder 52 are both made of stainless steel, so that the fixed lock cylinder 52 and the rotating lock cylinder 51 are not inconvenient to open and close the door due to easy rusting.
In an embodiment, the lock shell 7 is installed to the outside of the lock in a covering mode, the handle 1 is located outside the lock shell 7, the transverse section 11 is suspended above the lock shell 7, the lock shell 7 can protect the internal structure of the lock, and the service life of the lock is prolonged.
In another embodiment, the lock casing 7 is provided with an arc opening for the longitudinal section 12 to slide, two ends of the arc opening are provided with the fastening mechanism, the longitudinal section 12 is provided with a fastening fitting matched with the fastening mechanism, the fastening fitting is connected to the button on the cross bar 11, and the button controls the opening and closing of the fastening member and the fastening mechanism. Can block handle 1 after opening the door like this, can not lead to the handle to fall back automatically because of the reason of external force, the tool to lock uses more conveniently.
The utility model discloses an aviation dining car of another aspect, include as above arbitrary one embodiment two point type tool to lock.
From above, the utility model discloses a lock of two point type structures compares single-point type lock, and is more firm in locking ground. Through the symmetrical structure of the upper and lower connecting rods and the lock, the upper and lower locks can be simultaneously controlled to be opened or closed by rotating the handle. The tool to lock adopts upper and lower complex gear structure, and is more durable than the torsional spring structure, does not have the jamming phenomenon. The utility model discloses simple structure, be convenient for maintain to the good reliability, life is longer, further improves the security.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (8)
1. A two-point type door lock comprises a lock body and a lock catch, wherein the lock body is arranged on a door of a dining car, and the lock catch is correspondingly arranged on a cavity of the dining car; the method is characterized in that: the lock body also comprises a handle, a central connecting rod, an upper lock, a lower connecting rod and a lower lock;
the T-shaped handle comprises a transverse section and a longitudinal section, wherein the transverse section is perpendicular to the longitudinal section, and the transverse section is rotatably arranged at the head end of the longitudinal section; one end of the central connecting rod is connected to the tail end of the longitudinal section, the other end of the central connecting rod is fixedly connected with the upper connecting rod and the lower connecting rod, and the upper connecting rod and the lower connecting rod are symmetrically arranged on the upper side and the lower side of the central connecting rod; the upper lock is connected to one end of the upper connecting rod, which is far away from the central connecting rod, and the lower lock is connected to one end of the lower connecting rod, which is far away from the central connecting rod;
the upper lock comprises a rotating lock cylinder and a fixed lock cylinder; one end of the rotating lock cylinder is rotationally connected with the upper connecting rod, the fixed lock cylinder is fixed below the rotating lock cylinder, matched gears are arranged at the joints of the rotating lock cylinder and the fixed lock cylinder, and the rotating lock cylinder is clamped and rotated on the fixed lock cylinder through the gears; the lock bolt extends out of the vehicle door and corresponds to the lock catch; the lower lock is identical to the upper lock in structure.
2. The two-point door lock according to claim 1, wherein: the upper lock and the lower lock are installed in the same direction, namely, when the handle is rotated, the opening and closing states of the upper lock and the lower lock are the same.
3. The two-point door lock according to claim 1, wherein: the lock tongue is telescopically and fixedly arranged on the rotating lock cylinder, and one end of the lock tongue close to the outer side is an inclined plane with a narrow upper part and a wide lower part.
4. The two-point door lock according to claim 1, wherein: the lock tongue is installed on the fixed lock cylinder.
5. The two-point door lock according to claim 1, wherein: the rotating lock cylinder and the fixed lock cylinder are both made of stainless steel.
6. The two-point door lock according to claim 1, wherein: the outside cover of tool to lock installs the tool to lock shell, the handle is located the outside of tool to lock shell and the horizontal segment hangs in the top of tool to lock shell.
7. The two-point door lock according to claim 6, wherein: the lock comprises a lock shell and is characterized in that an arc-shaped opening for sliding of the longitudinal section is formed in the lock shell, clamping mechanisms are arranged at two ends of the arc-shaped opening, clamping accessories matched with the clamping mechanisms are arranged on the longitudinal section, the clamping accessories are connected to buttons on the transverse section, and the buttons control the clamping accessories and the clamping mechanisms to open and close.
8. An aviation dining car which is characterized in that: comprising a two-point door lock according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242872.5U CN209817679U (en) | 2018-12-29 | 2018-12-29 | Two-point type door lock and aviation dining car using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242872.5U CN209817679U (en) | 2018-12-29 | 2018-12-29 | Two-point type door lock and aviation dining car using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209817679U true CN209817679U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242872.5U Active CN209817679U (en) | 2018-12-29 | 2018-12-29 | Two-point type door lock and aviation dining car using same |
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| CN (1) | CN209817679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922454A (en) * | 2021-03-23 | 2021-06-08 | 北京安达维尔航空设备有限公司 | Double-buckle-cover door lock |
-
2018
- 2018-12-29 CN CN201822242872.5U patent/CN209817679U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922454A (en) * | 2021-03-23 | 2021-06-08 | 北京安达维尔航空设备有限公司 | Double-buckle-cover door lock |
| CN112922454B (en) * | 2021-03-23 | 2022-07-29 | 北京安达维尔航空设备有限公司 | Double-buckle-cover door lock |
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