JPH04103972U - Fastener lock device for cargo truck wings, etc. - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] To provide a fastener locking device that can accurately tighten and lock a movable frame such as a flip-up wing of a cargo truck to a fixed frame such as a vehicle body with a simple operation. [Structure] An elongated through hole 3 is provided in the receiving plate 2 of the fixed frame 1, and the lock shaft 8 can be rotated and slid in the front and rear directions on the fixed cylinder 6 fixed to the base plate 5 of the movable frame 4. The front end of the lock shaft is inserted into the split groove 10 at the base end of the handle 9, and the handle is connected to the lock shaft by the transverse pivot 11 so as to be able to rise and fall, and comes into contact with the front end seat surface 12 of the fixed cylinder when it is folded down. The distance D1 between the rear surface 13 of the proximal end of the handle and the transverse axis,
The distance D2 is set to be longer than the distance D2 between the upper surface 14 of the proximal end of the handle that contacts the front end seat surface of the fixed cylinder when standing up, and the transverse pivot, and the lock shaft is urged to slide rearward by the compression coil spring 17, and the above-mentioned transparent Passing through the hole 3, both longitudinal ends 19, 2
0 fixes to the rear end of the lock shaft an elongated stopper plate 18 that engages and disengages from the rear surface of the receiving plate.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is based on flip-up wings that make up the roof and side walls of cargo trucks. Related to a fastener lock device that tightens and locks a movable frame body to a fixed frame body such as a vehicle body It is something.

0002

[Conventional technology]

In conventional cargo trucks, cargo is loaded and unloaded by opening the double door at the rear of the loading platform. This is done by releasing cargo trucks, but cargo trucks carrying large or large amounts of cargo are In order to carry out loading and unloading operations smoothly and quickly, the roof and side walls of the loading platform are A pair of left and right wings are provided, and the wings are oiled around the horizontal axis at the top. A method of flipping up and rotating using a fluid pressure operated cylinder has been proposed.

0003 This new type of cargo truck returns to the closed position after loading and unloading. Tighten and lock the wing to the vehicle body or pillar using a suitable fastener device. There is a need.

0004

[Problem that the idea aims to solve]

The purpose of this invention is to use this new method for movable frames such as wings, and to The movable frame that has returned to rotation can be accurately tightened to the fixed frame such as the vehicle body with a simple operation. It is an object of the present invention to provide a fastener locking device that can be fitted and locked.

[0005]

[Means to solve the problem]

The following describes the fastener lock of the present invention using the reference numerals in the attached drawings. In the device, a through hole 3 is provided in a receiving plate 2 that is fixed to a fixed frame 1, and a through hole 3 is provided in a receiving plate 2 that is fixed to a movable frame 4. The fixed cylinder 6 is fixed to the base plate 5 which comes into contact with the receiving plate 2 when the movable frame body 4 is closed. , the lock shaft 8 is fitted into the shaft hole 7 of the fixed cylinder 6 so as to be rotatable and slidable in the front and rear directions. , the front end of the lock shaft 8 protruding from the fixed cylinder 6 is connected to the slot 10 at the base end of the handle 9. The base end of the handle 9 can be raised and lowered by the front end of the lock shaft 8 using the transverse pivot 11. Connect to.

[0006] The rear surface 13 of the base end of the handle 9 that comes into contact with the front end seat surface 12 of the fixed cylinder 6 when it is collapsed The distance D1 between the cutting axis and the pivot shaft 11 is determined by the distance D1 between the front end seat surface 12 of the fixed cylinder 6 and the set longer than the distance D2 between the base end upper surface 14 of the handle 9 and the transverse axis 11; A compression coil spring provided between the spring receiving part 15 of the lock shaft 8 and the front end stepped surface 16 of the shaft hole 7. The lock shaft 8 is slid rearward by the screw 17, passes through the through hole 3, and extends in the longitudinal direction. A stop plate 18 whose both ends 19 and 20 engage and disengage from the rear surface of the receiving plate 2 is attached to the rear end of the lock shaft 8. The handle 9 is fixed to the handle 9 and is rotated to fall down after the stop plate 18 and the receiving plate 2 are engaged with each other. A pair of restraining plate parts 21 and 22 into which the distal ends of the restraining plate parts 21 and 22 are fitted are provided protrudingly from the base plate 5.

[0007]

[Effect]

When the movable frame 4 is tightened and locked in the closed position, the hand The handle 9 is in the collapsed position, and as shown in FIG. , 22, and the base end rear surface 13 is biased by the spring 17 to the fixed cylinder 6. It is attracted to the front end seat surface 12. As shown in Fig. 1, the stop plate 18 is horizontally long. The longitudinal ends 19 and 20 are biased by the spring 17 to the left and right sides of the through hole 3. The parts on both sides are attracted to the rear surface of the receiving plate 2.

[0008] From this locked state, when the handle 9 is rotated upright around the transverse axis 11, the 3, the base end upper surface 14 of the handle 9 comes into contact with the front end seat surface 12 of the fixed cylinder 6. do. During this standing rotation process, the lock shaft 8 moves backward by the difference between the distances D1 and D2. Since both longitudinal ends 19 and 20 of the catch plate 18 slide against the rear surface of the receiving plate 2, The lock shaft 8 becomes rotatable.

[0009] When the handle 9 is in the upright position and the lock shaft 8 is rotated 90 degrees, the receiving plate Since the orientation of the through hole 3 of No. 2 and the stop plate 18 is aligned, the stop plate 18 passes through the through hole 3. The movable frame 4 is completely unlocked from the fixed frame 1. this condition When the movable frame body 4 is driven in the opening direction in the It escapes and the movable frame body 4 is opened.

0010 When the movable frame body 4 is in the open position, the base end upper surface 1 of the handle 9 is biased by the spring 17. 4 is attracted to the front end seat surface 12 of the fixed cylinder 6, so that the through hole 3 of the receiving plate 2 and the stop The metal plate 18 is precisely held in alignment. Therefore, the movable frame 4 is closed. At this time, the stop plate 18 passes through the through hole 3 of the receiving plate 2 without any problem.

[0011] After the movable frame 4 is fully closed, when the handle 9 in the upright position is rotated 90 degrees in the opposite direction, the stopper The plate 18 comes to a position behind the through hole 3 and intersects with the through hole 3. After this, turn the handle 9 sideways. The tip of the handle 9 is rotated around the cutting axis 11 to the stop plate part of the base plate 5. 21 and 22, the lock shaft 8 moves forward by the difference between the distances D1 and D2. , and both longitudinal ends 19 and 20 of the stop plate 18 are pulled toward the rear surface of the receiving plate 2. Can be attached. Therefore, the receiving plate 2 and the base plate 5 are brought into close contact with each other and the fixed frame body 1 is The movable frame body 4 is tightened and locked.

0012

【Example】

In the illustrated embodiment, the fixed frame 1 is the body frame of a freight truck, and the movable frame 4 is It is a wing that is driven to open and close by a hydraulic cylinder. The fixed tube 6 is a rear diameter reducing screw. The child part 26 is inserted into the receiving hole 23 of the base plate 5, and the base plate is secured by the washer 24 and nut 25. It is fastened and fixed to the base plate 5. When the movable frame body 4 is closed, the fixed cylinder 6 is retracted in the second half. The radial thread portion 26 enters the through hole 3 of the receiving plate 2. The through hole 3 is formed in a vertically long rectangular shape. The stop plate 18 made of a strip plate has both longitudinal ends 19 and 20 bent forward. It is being

[0013] The receiving plate 2 has a wide U-shape in plan view in order to provide a rotational margin for the stopper plate 18. The recess 27 of the fixed frame 1 is fitted into the recess 27 and fixed thereto. Base plate 5 is movable It protrudes and is fixed to the lower end of the frame 4. The sliding spring 17 of the lock shaft 8 is Consists of a compression coil spring. Fit into the outer circumferential groove 28 at the rear end of the lock shaft 8 A spring receiving disc 2 is attached to the fixed retaining ring 15 and the stepped surface 16 on the front end side of the shaft hole 7. 9 and 30 are abutted against each other, and the spring 17 is compressed between these spring receiving discs 29 and 30. It is.

[0014] The front end seat surface 12 of the fixed cylinder 6 is made of a highly wear-resistant plastic plate. The meeting point between the rear surface 13 of the proximal end and the upper surface 14 of the proximal end of the handle 9 is the undulating rotation of the handle 9. It is constructed with an arcuate surface for smooth rolling. It is fixed to the handle 9 when lying down. A stop protrusion 31 is provided which abuts against the lower surface 32 of the front end of the cylinder 6. Split groove on handle 9 The portion 10 is open to a rear surface 13 of the proximal end and an upper surface 14 of the proximal end.

[0015]

[Effect of the idea]

As described above, in the fastener lock device of the present invention, the fastener lock of the present invention In the device, an elongated through hole 3 is provided in a receiving plate 2, and a fixed tube 6 fixed to a base plate 5 is inserted with a rod. Insert the lock shaft 8 so that it can rotate and slide in the front and rear directions, and insert the front end of the lock shaft 8 into the halves. Insert the handle 9 into the split groove 10 at the base end of the handle 9, and lock the handle 9 with the transverse pivot 11. A handle 9 is connected to 8 so that it can be raised and lowered, and comes into contact with the front end seat surface 12 of the fixed cylinder 6 when it is folded down. The distance D1 between the rear surface 13 of the proximal end and the transverse axis 11 is the distance D1 between the rear surface 13 of the proximal end of the Distance D between the base end upper surface 14 of the handle 9 that abuts the seat surface 12 and the transverse pivot 11 2, the lock shaft 8 is biased to slide backward by the compression coil spring 17, and the front Both longitudinal ends 19 and 20 pass through the recording hole 3 and engage and disengage from the rear surface of the receiving plate 2. Since the elongated stop plate 18 is fixed to the rear end of the lock shaft 8, the above-mentioned cargo truck The movable frame body 4, such as the wing of the truck, can be easily moved by rotating the handle 9 at a predetermined angle and lowering it. By this operation, the fixed frame 1 of the vehicle body or the like can be accurately tightened and locked.

[0016] Further, after the engagement between the stop plate 18 and the receiving plate 2 is established, the handle 9 which is laid down is The tip portion is fitted into the pair of stop plate portions 21 and 22 of the base plate 5, and the compression coil spring 1 is At step 7, the handle 9 was drawn to the front end seat surface 12 of the fixed tube 6, so the handle 9 and the rod were pulled together. Rotation of the shaft 8 is prevented, and the movable frame 4 is stably tightened and locked.

[Brief explanation of drawings]

FIG. 1 is a front view of a fastener locking device according to an embodiment of the present invention in a fastened and locked state.

FIG. 2 is a plan view of the fastener lock device in a locked state.

FIG. 3 is a left side view of the fastener lock device in a locked state.

FIG. 4 is a sectional view taken along line AA in FIG. 1;

[Explanation of symbols]

1 Fixed frame 2 Receiving plate 3 Hole in receiving plate 4 Movable frame body 5 Base plate 6 Fixed tube 7 Shaft hole 8 Lock axis 9 Handle 10 Split groove part 11 Transverse axis 12 Front end seating surface of fixed cylinder 13 Rear surface of base end of handle 14 Upper surface of base end of handle 15 Retaining ring 16 Step surface of shaft hole 17 Biasing spring 18 Stopper plate 19 Longitudinal end of stop plate 20 Longitudinal end of stop plate 21 Stop plate part of base plate 22 Stop plate part of base plate 23 Base plate hole 24 Washer 25 Nut 26 Rear half diameter reducing screw part of fixed cylinder 27 Recess of fixed frame 28 Annular groove of lock shaft 29 Spring receiving disc 30 Spring receiving disc 31 Handle stop protrusion 32 Bottom surface of front end of fixed cylinder

Claims (1)

[Scope of utility model registration request] Claim 1: A through hole 3 is provided in a receiving plate 2 fixed to a fixed frame 1, and a through hole 3 is provided in a base plate 5 fixed to a movable frame 4 and abutting the receiving plate 2 when the movable frame 4 is closed. Fix the fixed cylinder 6,
The lock shaft 8 is rotatably and slidably fitted in the shaft hole 7 of the fixed barrel 6, and the front end of the lock shaft 8 protruding from the fixed barrel 6 is inserted into the slot 10 at the base end of the handle 9. The base end of the handle 9 is connected to the front end of the lock shaft 8 by a transverse pivot 11 so as to be able to rise and fall, and the rear face 13 of the base end of the handle 9 that comes into contact with the front end seat surface 12 of the fixed cylinder 6 when it is collapsed and the transverse pivot 11 is set longer than the distance D2 between the transverse pivot 11 and the proximal upper surface 14 of the handle 9 that comes into contact with the front end seat surface 12 of the fixed cylinder 6 when standing up, and is locked by the spring 17. The shaft 8 is biased to slide rearward, passes through the through hole 3 when the movable frame 4 is closed, and both longitudinal ends 19, 20
The stop plate 18 that engages and disengages from the rear surface of the receiving plate 2 is connected to the lock shaft 8.
A pair of restraining plate parts 21 and 22 are fixed to the rear end and protrude from the base plate 5, into which the tip of the handle 9 which is rotated to fall down after the stop plate 18 and the receiving plate 2 are engaged is fitted. , fastener locking devices for cargo truck wings, etc.