CN112943008B

CN112943008B - Bus

Info

Publication number: CN112943008B
Application number: CN202110291872.8A
Authority: CN
Inventors: 李同勋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-11-08
Anticipated expiration: 2041-03-18
Also published as: CN112943008A

Abstract

The invention relates to a bus, wherein a lock mechanism is arranged between a protection door and a door frame, the lock mechanism comprises a lock tongue which is assembled on the door frame in a guiding and moving mode along the left-right direction and a crank block which is assembled on the door frame in a guiding and moving mode along the front-back direction, the crank block is connected with the lock tongue in a transmission mode through a connecting rod, one end of the connecting rod is hinged with the crank block, the other end of the connecting rod is hinged with the lock tongue, the front end of the door frame is assembled with an unlocking block in a guiding and moving mode along the left-right direction, the left end of the unlocking block is provided with an unlocking end which extends into the inner side of the door frame, the right end of the unlocking block is provided with an unlocking block pushing inclined surface, and the unlocking block pushing inclined surface is matched with the crank block in a pushing mode so that the crank block is pushed to move backwards to further push the lock tongue to move rightwards when the unlocking block moves rightwards. The invention solves the technical problems that the strength of the bolt of the protective door is influenced by the guide inclined plane and the door opening time is influenced by a driver who has to turn the handle to open the protective door in the prior art.

Description

Bus

Technical Field

The invention relates to a bus for traveling in the field of traveling equipment.

Background

With the improvement of living standard of people, tourism is a part of daily work and life of people, and tourism by taking a bus is an important travel mode.

In current bus technique, in order to protect the security of driver driving in-process, avoid some special passengers to influence driver's driving process, position between driver seat and passenger district is provided with a shutter usually, the shutter is installed on the door frame, be provided with the spring bolt on the door frame, be provided with the guide inclined plane on the spring bolt, after the driver enters into driver seat district region, close the shutter, shutter touching spring bolt, the spring bolt is retreated, after the shutter was closed, the spring bolt kick-backs and will shutter locking.

This way, the influence of the persons in the passenger area on the driving behavior can be avoided, and the problems of the prior protective door are that: 1. after a driver enters a driving area, the protective door must be locked in a reverse mode so as to prevent passengers from opening the protective door from the outside, and the driver forgets the locking action sometimes, so that the protective door is invalid;

2. in order to enable the protective door to be smoothly closed, a guide inclined plane is required to be arranged on the bolt, which can reduce the structural strength of the bolt, and when the protective door is repeatedly and forcibly pulled for several times when encountering violent molecules, the bolt can be broken, which is frequently reported; 3. when a driver needs to open a vehicle door from the inner side, the door handle needs to be screwed to smoothly open the protective door, the screwing action inevitably increases the door opening time of the driver, the driver sometimes makes an emergency, the door opening time is very important, the vehicle inevitably combusts, gangsters exist in the vehicle and the like, and the door opening time influences the life time.

Disclosure of Invention

The invention aims to provide a bus, which aims to solve the technical problems that in the prior art, the strength of a bolt of a protective door is influenced due to a guide inclined plane, and the opening time of the protective door is influenced because a driver needs to turn a handle to open the protective door.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a bus comprises a bus body provided with a traveling mechanism, a driving area and a passenger area are arranged in the bus body, a door frame and a protective door hinged with the door frame are arranged between the driving area and the passenger area, a hinge axis of the protective door extends along the up-down direction, the driving area is positioned on the front side of the protective door, a lock mechanism is arranged between the protective door and the door frame and comprises a lock tongue guided to move along the left-right direction and assembled on the door frame and a crank block guided to move along the front-back direction and assembled on the door frame, the crank block is connected with the lock tongue through a connecting rod in a transmission manner, one end of the connecting rod is hinged with the crank block, the other end of the connecting rod is hinged with the lock tongue, an unlocking block is assembled at the front end of the door frame guided to move along the left-right direction, the left end of the unlocking block is provided with an unlocking end extending into the inner side of the door frame, the right end of the unlocking block is provided with an unlocking block pushing inclined surface, the unlocking block pushing inclined surface is matched with the crank block to push the crank block to move backwards and further push the lock tongue to move towards the right when the unlocking block moves towards the right,

the shutter right-hand member is equipped with and is used for stopping complex spring bolt cooperation groove with the spring bolt left end, and the shutter front end is provided with the handle, and the handle includes the handle seat that links to each other with the shutter and follows the handle of fore-and-aft direction removal assembly on hand, and the handle is located the front side of spring bolt cooperation groove, and the axis of rotation of handle sets up along the fore-and-aft direction, and the handle front end is provided with and is used for when the shutter swings forward, with the spring bolt top push away the cooperation and make the handle rotate in order to dodge the guide face of closing the door of spring bolt.

The front end of the handle is provided with a first unlocking surface of the handle, which is used for being in pushing fit with the rear side surface of the unlocking end of the unlocking block so as to enable the unlocking block to move towards the right; the rear end of the handle is provided with a second unlocking surface of the handle which is used for being in pushing fit with the front side surface of the unlocking end of the unlocking block so as to enable the unlocking block to move towards the right.

The handle seat is matched with the protective door in a rotating mode, the handle is matched with the handle seat in a rotation stopping and guiding mode in the front-back direction, and the protective door reset torsion spring is arranged between the handle seat and the protective door.

A crank block return spring used for applying forward acting force to the crank block is arranged between the door frame and the crank block.

A handle return spring for applying forward acting force to the handle is arranged between the handle seat and the handle.

The spring bolt is solid cuboid or cylinder structure.

The invention has the beneficial effects that: when a driver closes the door, the protective door swings forwards towards a driving area, in the process, firstly, the handle touches the lock tongue, the handle rotates to avoid the lock tongue under the action of a door closing guide surface, then, the first unlocking surface of the handle at the front end of the handle is in pushing fit with the rear side surface of the unlocking end of the unlocking block, the unlocking block moves towards the right, the crank block moves backwards, and the connecting rod drives the lock tongue to move towards the right, so that the lock tongue avoids the protective door, the protective door is smoothly closed, then the lock tongue resets into the lock tongue matching groove of the protective door, and the lock tongue is in blocking fit with the lock tongue matching groove, so that the protective door is prevented from being backwards opened; when a driver needs to open the protective door from the front side, the driver only needs to push the handle backwards, the second unlocking surface of the handle at the rear end of the handle is in pushing fit with the front side surface of the unlocking end of the unlocking block, the unlocking block moves rightwards, the crank block moves backwards, the connecting rod drives the lock tongue to move rightwards, the lock tongue retracts, the protective door can be opened smoothly, the driver only has one pushing action, the protective door can be opened without screwing the handle, the door opening time is saved, meanwhile, in the invention, the lock tongue is avoided through the rotation of the handle, a guide inclined plane does not need to be arranged on the lock tongue, and the strength of the lock tongue can be ensured.

Drawings

FIG. 1 is a schematic block diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of the protective door of FIG. 1 engaged with a door frame;

FIG. 3 is a schematic view of the protection door of FIG. 2 in an opened state;

FIG. 4 is a view of the handle and bolt in cooperation with the handle moving forward;

fig. 5 is a schematic view of a second unlocking surface of the handle of fig. 4.

Detailed Description

An embodiment of a bus is shown in fig. 1 to 5: the vehicle comprises a vehicle body 8 provided with a traveling mechanism, wherein the traveling mechanism belongs to the prior art and comprises wheels, an engine, a gearbox and a transmission mechanism between the gearbox and the wheels.

Be provided with driver's area 1 and passenger district 9 in the automobile body, driver's area 1 is provided with driver's seat 2, and passenger district 9 is provided with passenger seat 10, is provided with door frame 5 and the shutter 7 that the left end and door frame hinge link to each other between driver's area 1 and the passenger district 9, and the setting is extended along upper and lower direction to the articulated axis of shutter, and the driver's area is located the front side of shutter. The protective door can swing forward to close the door, and the protective door can swing backward to open the door.

Be provided with the latch mechanism between shutter and the door frame, the latch mechanism includes along left right direction removal assembly spring bolt 21 on the door frame and along the crank piece 18 of fore-and-aft direction removal assembly on the door frame, the spring bolt is the cuboid structure that length extends along left right direction, be connected through connecting rod 22 transmission between crank piece 18 and the spring bolt 21, the one end of connecting rod 22 links to each other with crank piece 18 is articulated, connecting rod 22's other one end links to each other with spring bolt 21 is articulated, be provided with between door frame 5 and the crank piece 18 and be used for applying the crank piece reset spring 19 of forward direction effort to the crank piece. The front end of door frame is equipped with unlocking piece 3 along left and right direction removal, and the left end of unlocking piece 3 has the unblock end that is used for stretching into the door frame inboard, and the right-hand member of unlocking piece is provided with unlocking piece top push inclined plane 17, and unlocking piece top push inclined plane is used for pushing with crank piece 18 and cooperates in order to promote crank piece 18 to move towards the back and then promote spring bolt 21 to move towards the right when unlocking piece 3 moves towards the right.

The right-hand member of shutter 7 is equipped with and is used for stopping complex spring bolt cooperation groove 23 with the spring bolt left end, and the shutter front end is provided with the handle, and the handle includes the handle seat 11 that links to each other with the shutter and follows fore-and-aft direction removal and assemble in the handle on hand handle 4, and handle 4 is located the front side of spring bolt cooperation groove 23. In this embodiment, the handle base 11 is rotatably assembled on the protection door, a protection door return torsion spring (not shown in the figure) is arranged between the handle base 11 and the protection door 7, and the handle base and the handle can be returned through the protection door return torsion spring after being pushed and rotated by the locking tongue. Handle 4 and handle seat 11 are between along the direction cooperation of splining of fore-and-aft, are provided with handle reset spring 12 between handle seat 11 and the handle 4, and the axis of rotation of handle 4 extends the setting along the fore-and-aft direction, and through handle reset spring 12, handle 4 can float in the fore-and-aft direction elasticity relative to handle seat 11.

The front end of the handle 4 is provided with a door closing guide surface 25 which is used for pushing and matching with the rear end of the lock bolt 21 when the protective door swings forwards so as to enable the handle to rotate upwards to avoid the lock bolt; the rear end of the handle is provided with a door opening guide surface 26 for pushing and matching with the front end of the latch bolt when the protective door swings backwards, so that the handle rotates upwards to avoid the latch bolt. The door closing guide surface, the door opening guide surface, the door closing guide surface, and the door opening guide surface form a triangular area with a large top and a small bottom.

The front end of the handle is provided with a first unlocking surface 13 of the handle, which is used for being in pushing fit with the back side surface 16 of the unlocking end of the unlocking block so as to enable the unlocking block to move towards the right; the rear end of the handle is provided with a second unlocking surface 14 of the handle, which is used for being matched with the front side surface 15 of the unlocking end of the unlocking block in a pushing manner so as to enable the unlocking block to move towards the right, in the embodiment, the rear side surface 16 of the unlocking end and the front side surface 15 of the unlocking end are both in an inclined surface structure, and the front side surface of the unlocking end, the rear side surface of the unlocking end and the area between the front side surface of the unlocking end and the rear side surface of the unlocking end form a triangular area with a large right side and a small left side. The first unlocking surface of the handle and the second unlocking surface 14 of the handle are arc-shaped surfaces.

The rear end of the doorframe is provided with a keyhole 20 which is in transmission fit with the bolt, the bolt can be directly driven to move towards the right through a key, and the fit between the keyhole and the bolt belongs to the prior art and is not described in detail herein. Item 6 in the figure shows a pull handle protecting the rear side of the door.

When the protection door 7 is closed and a driver needs to open the protection door from the rear side, the driver can insert a key into the key hole 20 to move the bolt rightwards to open the protection door; when a driver enters a driving area and closes the door with hands, and the protective door 7 rotates forwards and closes, the door closing guide surface 25 at the front end of the handle 4 firstly touches the left end of the bolt 21, under the stopping action of the bolt 21, the handle 4 rotates upwards to avoid the bolt, after the handle crosses the bolt, the first handle unlocking surface 13 at the front end of the handle is in pushing fit with the unlocking end rear side surface 16 of the unlocking block, the unlocking block 3 moves towards the right, the unlocking block pushing inclined surface 17 at the right side of the unlocking block 3 pushes the crank block 18 to move the crank block backwards, the crank block 18 drives the bolt 21 to move towards the right through the connecting rod 22 to realize unlocking, at the moment, the protective door can be closed smoothly, then the bolt resets, and the bolt 21 is inserted into the matched bolt groove 23 on the protective door, the front end and the rear end of the lock tongue 21 are respectively matched with the front groove wall and the rear groove wall of the lock tongue matching groove in a blocking mode, so that the protective door can be closed, in the driving process of a bus, when an inspired person in a passenger area wants to open the protective door, the inspired person can only apply force from the rear side of the protective door, no matter the protective door is pushed or pulled, the protective door cannot be opened under the blocking effect of the lock tongue and the lock tongue matching groove, and the analysis shows that in the door closing process, the lock tongue returns to avoid the protective door, the protection door is realized through an unlocking block, a guide inclined plane is not required to be arranged on the lock tongue, so that the lock tongue can adopt a cuboid structure, the strength of the lock tongue is ensured, and the protective door cannot be broken due to insufficient strength; certainly, the protection door can be automatically closed without other operations of a driver, so that the technical problem that the driver forgets to close the protection door due to forgetting is solved; when emergency occurs and a driver needs to open the protective door quickly, the driver only needs to push the handle 4 backwards, the handle floats backwards relative to the handle seat, the door opening guide surface 26 at the rear end of the handle is in pushing fit with the unlocking end front side surface 15 of the unlocking card, the unlocking block 3 moves rightwards, the lock tongue 21 moves rightwards, the protective door can be opened smoothly, when the handle 4 passes over the unlocking block 3 and the second unlocking surface 14 at the rear end of the handle is in contact with the lock tongue, the handle automatically rotates upwards to avoid the lock tongue, the driver only needs to apply backward thrust to the handle in the whole door opening process, the handle does not need to be rotated actively, and the protective door can be opened quickly. The cooperation of crank piece, connecting rod and spring bolt not only realizes knowing the transmission between locking piece and spring bolt, but also can enlarge the displacement of spring bolt through the connecting rod, when the unlocking piece has less displacement, the spring bolt can have bigger displacement, can enough guarantee like this to lock a door intensity, can guarantee again that the shutter can open fast.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a bus, is provided with driver's area and passenger district in the automobile body including the automobile body that is provided with running gear, is provided with the door frame between driver's area and the passenger district and connects the guard gate that links to each other with the door frame hinge, and the setting is extended along upper and lower direction to the articulated axis of guard gate, and driver's area is located the guard gate front side, is provided with latch mechanism, its characterized in that between guard gate and the door frame: the lock mechanism comprises a lock tongue assembled on the door frame in a guiding and moving mode along the left-right direction and a crank block assembled on the door frame in a guiding and moving mode along the front-back direction, the crank block is in transmission connection with the lock tongue through a connecting rod, one end of the connecting rod is hinged with the crank block, the other end of the connecting rod is hinged with the lock tongue, the front end of the door frame is assembled with an unlocking block in a guiding and moving mode along the left-right direction, the left end of the unlocking block is provided with an unlocking end extending into the inner side of the door frame, the right end of the unlocking block is provided with an unlocking block pushing inclined plane, the unlocking block pushing inclined plane is in pushing fit with the crank block to push the crank block to move backwards when the unlocking block moves rightwards so as to push the lock tongue to move rightwards,

the right end of the protective door is provided with a lock tongue matching groove which is used for being matched with the left end of the lock tongue in a stopping way, the front end of the protective door is provided with a handle, the handle comprises a handle seat connected with the protective door and a handle which is assembled on the handle in a guiding way along the front-back direction, the handle is positioned at the front side of the lock tongue matching groove, the rotating axis of the handle is arranged along the front-back direction, the front end of the handle is provided with a door closing guide surface which is used for being matched with the lock tongue in a pushing way to enable the handle to rotate so as to avoid the lock tongue when the protective door swings forwards,

2. The bus of claim 1, wherein: the handle seat is matched with the protective door in a rotating mode, the handle is matched with the handle seat in a rotation stopping and guiding mode in the front-back direction, and the protective door reset torsion spring is arranged between the handle seat and the protective door.

3. The bus of claim 1, wherein: a crank block return spring used for applying forward acting force to the crank block is arranged between the door frame and the crank block.

4. The bus of claim 2, wherein: a handle return spring for applying forward acting force to the handle is arranged between the handle seat and the handle.

5. The bus according to any one of claims 1 to 4, wherein: the spring bolt is solid cuboid or cylinder structure.