JPH0813644B2 - Locking device for vehicle hood - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a vehicle hood.

[0002]

2. Description of the Related Art Conventionally, in a vehicle hood, as a method of locking and unlocking a release side hood frame with respect to a hood seat of an opposite vehicle, a plurality of release side hood frames (generally 4 to 7) are used.
There is a clasp provided so that each of them can be manually locked and unlocked by itself (for example, Jitsuko Sho 31-1781).
No. 3 gazette, Jitsukaihei 3-24968 gazette).

[0003]

By the way, in recent years, speeding up of trains has become an important issue. Speeding up is one-handed if only the running speed of the vehicle is improved, and it is also an important issue to increase the number of trains and shorten the unfastening time, which is necessary for commercial operation during train operation.

Therefore, as in the prior art, in the case of manually locking and unlocking a plurality of clasps individually,
It took a considerable amount of time for the trains to be added and released, which hindered the speeding up of trains.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to propose a locking device for a vehicle hood that shortens the time for locking and unfastening the lock and thus speeds up the train.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a hood seat of a vehicle with a release side hood frame (5) facing each other.
(31) in which the top seat is connected by abutting against (31)
(31) has a plurality of clasps (3
2) is provided at an appropriate position and the hook portion (3
2a) is formed, and the plurality of clamps (3
2) To move back and forth at the same time, to the left and right of the hood
The operating rods (35) and (35b) thus arranged are connected by their heads.
Connected via and integrated into one, and the same operation can be performed by operating one operating rod.
At times, it works in the opposite direction to move the clamp back and forth.
The formation is provided, the further the front of the open side hood frame, is characterized in that said providing the engagement member (33) which hook portion of each clamp is hooked.

[0007]

In the state in which the clamps (32) on the hood seat (31) side are projected, the release-side hood frame (5) is moved forward so that the respective engaging members (33) of the clamps (32). Hook part (32a)
To be engaged.

Next, the advancing / retreating means (36) is operated to simultaneously retract the clamps (32). As a result, the hook portions (32a) draw the open side hood frame (5) toward the hood seat (31), and the release side hood frame (5) and the hood seat (5) are connected and locked.

When unlocking, the reverse operation is performed.

[0010]

1 shows an embodiment of the present invention. Reference numeral 1 denotes a hood seat, which is formed in a rectangular frame, and is fixed to a passage opening on the end face of one vehicle 2 to be connected.

Reference numeral 3 denotes a hood cloth which is formed so as to be expandable and contractable in the passage direction, one end of which is connected to the hood seat 1 through a fixed hood metal frame 4, and the other end of which is a release hood frame 5. Has been done. 5a
Is a handle.

Reference numeral 6 denotes an actuator composed of an air cylinder, which is fixed to a support plate 7 which is fixed inside the hood seat 1 with a slight gap. Piston 6a of the air cylinder 6
Upper and lower rods 8 and 9 projecting from both ends of the cylinder are fixedly installed. By introducing air pressure into the upper chamber of the cylinder, both rods 8 and 9 move downward to introduce air into the lower chamber. As a result, both rods 8 and 9 are moved upward.

Reference numeral 10 denotes an elevating plate, and the gap formed by the hood seat 1 and the support plate 7 fixedly provided therein serves as a guide groove 12, into which a substrate 10a is slidably fitted and can be moved up and down. Is equipped with. The rod 9 is connected to the elevating plate 10 via a pin 9a and an elongated hole 10b in the vertical direction.

Reference numeral 13 is an operating arm, the lower end of which is the lifting plate 1
0 is rotatably supported by a pin 14, and the upper end is detachably fitted to the lower surface of an arm receiving member 15 provided inside the release side hood frame 5 to support the release side hood frame 5.

Reference numeral 16 denotes an auxiliary actuating arm, the lower end of which is rotatably connected to the approximate center of the actuating arm 13 by a pin 17, and the upper end of which has a pin 19 fixed to the supporting plate 11.
It is rotatably inserted into and supported by a bracket 18 projecting from the above, and the auxiliary operating arm 16 and the operating arm 13 constitute a y-shaped arm.

Reference numeral 20 is a ratchet wheel fixed to the pin 19 of the auxiliary actuating arm 16, and the ratchet wheel 20 is the auxiliary working arm 16 and the pin 1.
It rotates integrally with 9. Reference numeral 21 denotes a claw, which is rotatably provided on a pin 22 provided on the bracket 18. The claw 21
And the ratchet wheel 20 prevent the auxiliary actuating arm 16 from rotating in the forward operation direction (direction of arrow A in FIG. 5 ) in a state of mutual engagement, and store operation direction (direction of arrow B in FIG. 5 ). The rotation to is set to be free.

Reference numeral 23 denotes a pressing arm integrally provided with the claw 21, and sandwiches the pin 22 and projects downward at the lower part of the claw 21. A screw rod 24 is loosely fitted to the plate 18a fixed to the blanket 18 and the pressing arm 23, and a nut 25 is screwed into the rear portion thereof.

Reference numeral 27 denotes a claw releasing rod, the base end of which is fixedly attached to the claw 21 and an engaging portion 27a formed by bending the claw 21 horizontally is formed at the tip. The engagement portion 27a is set at a position where the upper end of the upper rod 8 of the air cylinder 6 is engaged.

A taper surface 8a is formed on the upper end of the upper rod 8, and the upward movement of the upper rod 8 causes the taper surface 8a to engage with the engaging portion 27a.
It is adapted to move push to the right as shown in chain line in FIG. 5.

Reference numeral 28 denotes a switch for operating the air cylinder 6, which is provided at an appropriate position in the hood. The hood frame advancing / retracting device is configured by the above mechanism. Further, the devices are provided on both left and right sides of the hood, and both devices are operated in synchronization by operating one switch 28.

Next, the hood locking device will be described. A hood seat 31 for connecting the release side hood frame 5 is fixed to the end face of the other vehicle 30.

An insert hole is formed in the hood seat 31 as an engaging portion 33 into which the hook 32a of the clamp 32 is inserted in the release side hood frame 5, and a pair of these is formed as a pair of left and right hoods. There are three in each section.

The clamp 32 is adapted to be advanced and retracted by an advancing and retracting means provided on the hood seat 31 side, and the advancing and retracting means is constructed as follows. The clamp 32 is provided so as to be movable back and forth on a clamp receiver 34 fixedly provided in the hood seat 31, and a hook portion 32a thereof projects from the front surface of the hood seat 31 and is bent upward. Vertical holes 32 are provided in the clamp 32 and the clamp receiver 34.
b and 34a are formed, and the operation rod 35 penetrates in the vertical direction.

Reference numeral 36 denotes a clamp actuator, which is an air cylinder and is fixedly installed inside the hood seat 31. The operation rod 35 is fixed to the tip of the rod 37 of the clamping air cylinder 36, and the operation rod 35 is provided so as to be able to move up and down.

An operating rod 35 located above the clamp 32.
A fastening projection 35a having a tapered surface whose upper portion inclines rearward is integrally formed on the back side of the. Also,
The shape of the hole 32b of the clamp 32 is such that the tightening protrusion 3
It is formed in a long hole in the front-rear direction so that 5a can be inserted.

Reference numeral 38 is a return spring that constantly pushes the clamp 32 forward. In addition, three clamps 32 are provided on one side of the right and left sides of the hood, and the above-mentioned one operation rod 35 is commonly passed therethrough, and the operation rods in each of the clamps 32 are provided. 35 is provided with a tightening projection 35a so that as one operation rod 35 is moved up and down, three clamps 32 are simultaneously operated.

Further, three clamps 32 are provided on the other side of the hood, and these are similarly operated by one operating rod 35b provided on the other side. And both operating rod 35,35b are connected as shown in FIG.

That is, the operating rod 35 on one side
The upper end of the operation rod 35b on the other side is connected via a chain 40 and a connecting rod 41, and one operation rod 35 is operated by the one air cylinder 36 to operate the other operation. The bar 35b also operates simultaneously, and all the left and right clamps 32 operate simultaneously. Four
Reference numeral 2 indicates a guide member.

In this case, the tightening protrusion 35a of the other operating rod 35b is provided on the lower side of the clamp 32. A switch 43 operates the clamp air cylinder 36, and is provided at an appropriate position in the hood seat 31.

Next, the operation of this embodiment will be described. Figure
When the switch 28 is turned on in the state where the hood is retracted (released) as shown in 7 (a), air is introduced into the lower chamber of the cylinder 6 and the piston 6a thereof moves upward to move the upper and lower rods 8, 9 Will rise together.

When the upper rod 8 moves upward, the pawl actuating rod 27 is pushed rightward in the figure by the taper surface 8a at the upper end thereof. This causes the pawl 21 to resist the return spring 26 and
It deviates from 0 and frees the rotation of the ratchet wheel 20. Further, until the claw 21 is disengaged from the ratchet wheel 20, the pin 9a of the lower rod 9 moves upward in the elongated hole 10b of the elevating plate 10 by an amount of play, so that the elevating plate 10 does not move upward.

When the upper and lower rods 8 and 9 are further moved upward, the lower rod 9 is moved upward, so that the pin 9 provided on the lower rod 8 is moved.
a hits the upper end of the elongated hole 10b, and the lift plate 10 moves upward.
Therefore, the upper end of the auxiliary operating arm 16 is connected to the bracket 18, so that the operating arm 13 is rotated so as to push the upper portion forward (to the left in FIG. 7 ).

[0033] Therefore, the release-side hood frame 5 locked with the upper end of the actuating arm 13 is advanced and approaches to the other canopy seat 31 which faces as in Figure 7 (b). Worker in this state Fig. 7 (c)
As shown in FIG. 3, the handle 5a is held by hand and the release side hood frame 5 is slightly lifted, and the insertion hole 33, which is the engaging portion thereof, is fitted to the hook portion 32a of the clamp 32 projecting from the opposing hood seat 31. After that, the release side frame 5 is moved downward by its own weight, and the upper edge piece of the insertion hole 33 is locked and placed inside the hook portion 32a.

Next, the clamp switch 43 is turned on to operate the cylinder 36 so that its rod 37 moves downward. Then, the operating rod 35 is moved downward, the tightening protrusion 35a is pushed into the hole 32b of the clamp 32, and the clamp 32 pushes and moves the clamp 32 inward of the hood seat 31. Therefore, the hook portion 32a tightens the release side hood frame 5 fitted to the hook portion 32a toward the hood seat 31 to firmly connect the release side hood frame 5 and the hood seat 31 to each other and lock them. .

At this time, the packing 39 includes the metal frame 5 and the hood seat 3.
Since water is compressed between the two, watertightness at this connecting portion is ensured. After this connection, the switch 28 is turned off to introduce air into the upper chamber of the cylinder 6, and the upper and lower rods 8 and 9 are connected.
Move down. Then, the upward movement of the release-side hood frame 5, actuating arm 13 that has been removed from the arm socket member 15 is retracted as shown in FIG. 7 (D) by downward movement of the elevator plate 10.

When the operating arm 13 approaches the retracted state, the taper surface 8a formed on the upper end of the upper rod 8 is disengaged from the engaging portion 27a of the pawl operating rod 27, and the return spring 26 repels the pawl 21. The wheel 20 is locked to prevent the ratchet wheel 20 from rotating in the releasing direction. When the operating arm 13 retracts to the retracted position, the return state is maintained by the engagement of the ratchet wheel 20 and the claw 21 at that position.

Next, in order to release the hood from this hood connected state, the operation is reversed to the above.
Although the hook 33a of the clasp 33 is always projected from the hood seat 31 in the above embodiment,
The hook portion 32a may be retracted into the hood seat 31 when not connected, and the hook portion 32a may be projected from the front surface of the hood seat 31 when connected. By doing this,
It is possible to prevent the hook portion 32a from snowing and becoming unusable in the unconnected state.

Further, the engaging member 33 in the release side top frame 5, as shown in FIG. 8 , other than the insertion hole as in the above-described embodiment, is provided on the inner side of the release side top frame 5 or on the outside. A character-shaped member 33 'may be provided so that the hook portion 32a is engaged with it.

Further, a plurality of the actuators 36 may be provided, and the operating rod 35 may be manually operated by a lever system or the like.

[0040]

As described above, according to the present invention, the left side of the hood seat
Locking and unlocking operations for multiple clamps on the right are integrated
Since it can be done simultaneously with the operation rod connected to the, the speed of the operation can be increased, and the time required for trains to be added or removed can be shortened. Therefore, it is possible to shorten the time required for the table and contribute to the service of improving the speed of trains to passengers.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

Figure 2 is a perspective view of a main part.

FIG. 3 is a side view showing an operating arm portion.

FIG. 4 is a plan view showing a relationship between a ratchet wheel, a claw, and an upper rod.

5 is a cross-sectional view taken along line CC in FIG.

FIG. 6 is a front view showing a connected state of left and right locking operation rods.

7 (a), (b), (c), and (d) are diagrams showing the operation of the hood from the retracted state to the advanced state.

FIG. 8 is a partial perspective view showing another embodiment of the engaging member.

[Explanation of symbols]

 5 Release side top frame 31 Top seat 32 Clamp 32a Hook part 33 Engagement member 35 Operation rod 36 Actuator

Claims (1)

[Claims] 1. A hood seat of a vehicle facing a release side hood frame (5).
(31) in which the top seat is connected by abutting against (31)
(31) has a plurality of clasps (3
2) is provided at an appropriate position and the hook portion (3
2a) is formed, and the plurality of clamps (3
2) To move back and forth at the same time, to the left and right of the hood
The operating rods (35) and (35b) thus arranged are connected by their heads.
Connected via and integrated into one, and the same operation can be performed by operating one operating rod.
At times, it works in the opposite direction to move the clamp back and forth.
The formation is provided, further wherein the front of the open side hood frame, locking device in the folding top for a vehicle, wherein the hook portion of each clamp is provided with engagement members (33) being caught.