JPH0726237Y2 - Parachute isolation structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a parachute separation structure used as a speed reduction mechanism for equipment or the like dropped from an aircraft or the like.

[Conventional technology]

As a conventional parachute separation structure, Japanese Patent Application No. 61-1385
No. 64, which will be described below with reference to the drawings.

FIG. 7 is a cross-sectional view, FIG. 8 is a cross-sectional view of the parachute in a stretched state, FIG. 9 is a plan view of a main part of the parachute in a stretched state, and FIG. 10 is a cross-sectional view of a main part of the parachute in a stretched state. FIG. 11 is a cross-sectional view of a main part in a state where the parachute case is separated from the storage cylinder, and FIG. 12 is a perspective view of a state where the hanging rope is connected to the top body. In the figure, 1 is a parachute and 2 is this. Parachute case that folds and stores the parachute 1, 3 is a top body that holds the end of the hanging rope 1a of the parachute 1, 4 is a storage cylinder, 5 is a weight that doubles as the bottom of this storage cylinder, and 6 is this A sensor main body housed in the housing cylinder, and a connecting plate 7 housed in the upper part of the housing cylinder, connect the parachute case 2 and the housing cylinder 4 in a separable manner.

Reference numeral 8 denotes a rotation mechanism attached to the frame of the sensor body 6, and the upper end thereof is connected to a pressing plate 9 that presses the connecting plate 7 from above to rotate.

Reference numeral 10 is a separating spring arranged between the sensor body 6 and the coupling plate 7 in a compressed state, and 11 is an antenna folded and housed in the separating spring 10.

The hanging rope 1a of the parachute 1 has a loop at the lower end, and as shown in FIG. 10, it is retained by the projecting portion 3a of the top body 3 through a through hole 2a provided in the parachute case 2.

As shown in FIG. 9, the connecting plate 7 is composed of a pair of plates divided into two parts at the center and is arranged in the parachute case 2. Both ends of the connecting plate 7 are inserted into the parachute case 2 and the storage cylinder 4, respectively. It is inserted in the holes 2b and 4a. Then, when the rotating mechanism 8 rotates, and thereby the pressing plate 9 rotates and the pressing of the connecting plate 7 is removed, the connecting plate 7 opens from the central portion as shown in FIG. Both ends are separated from the insertion holes 2b and 4a so as to be accommodated in the notch 2c provided in the parachute case 2. That is, the coupling plate 7 is generated by the force of the separating spring 10.
Both ends of the insertion hole 4a of the storage cylinder 4 serve as a fulcrum to generate a moment that rises upward, and when it rises, the insertion holes 2b and 4a
Notch provided on the parachute case 2 off
It will fit within 2c.

According to the above configuration, for example, when dropped from an aircraft, the parachute 1 extended as shown in FIG. 8 causes the parachute 1 to drop in a stable posture and land at a safe speed.

After landing, when the rotating mechanism 8 rotates to rotate the pressing plate 9 and the pressing plate 9 releases the pressing of the connecting plate 7, the 11th
As shown in the figure, the connecting plate 7 is opened upward to release the connection between the parachute case 2 and the storage cylinder 4.

After releasing, the parachute case 2 is pushed upward by the force of the separation spring 10, and the projection 3a of the top body 3 is disengaged from the locking hole 2d of the parachute case 2, thereby suspending the parachute 1. The loop at the lower end of 1a is pulled out from the protruding portion 3a of the top body 3 and the through hole of the parachute case 2 is formed.
It will be separated from the parachute case 2 through 2a.

Further, when the coupling between the parachute case 2 and the storage cylinder 4 is released by the force of the separation spring 10, the antenna 11 folded and stored in the separation spring 10 is expanded, and the storage cylinder 4 is expanded. Is settled by the weight 5, the sensor body 6 is floated by buoyancy, and the storage cylinder 4 and the sensor body 6 are separated.

[Problems to be solved by the device]

According to the conventional technique described above, as shown in FIG. 12, it is necessary to fit a plurality of loops at the lower end of the hanging rope of the parachute to the protruding portion of the top body, and the protruding portion of the top body is locked to the parachute case. The work to put in the hole was very difficult to work, and there was a problem in workability.

[Means for solving the problem]

According to the present invention, a parachute case accommodating a parachute is housed in an accommodating cylinder having a built-in sensor body against the force of a separating spring, and the parachute case is held by a connecting plate, which is further fixed by a holding plate. In the parachute separation structure in which the parachute case is separated from the storage cylinder by maintaining the state and operating the pressing plate by the rotating mechanism to release the fixed state,
A groove is provided at the upper end of the parachute case so as to face each other to form a locking portion, and a lower end of the suspension rope of the parachute is fitted to a pin fitted to the locking portion. It is characterized in that the parachute case is housed in the storage cylinder by being fitted to.

[Action]

According to the above configuration, the pin fitted with the plurality of suspension cords is locked to the locking portion of the parachute case, and when the pin is housed in the storage cylinder against the force of the separation spring, the pin is retained in the storage cylinder. The parachute case is held in the storage cylinder by the connecting plate without being sandwiched between the inner wall and the locking portion, and the connecting plate is held by the pressing plate.

Therefore, for example, when dropped from an aircraft or the like, the extended parachute causes the parachute to drop and land in a stable posture at a safe speed.

After landing, the rotating mechanism rotates to rotate the pressing plate, and when the pressing plate releases the pressing of the connecting plate, the connecting plate opens upward and the connection between the parachute case and the storage cylinder is released and separated. It will be.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

1 is a cross-sectional view, FIG. 2 is a cross-sectional view of a parachute in a stretched state, FIG. 3 is an enlarged plan view of an essential part of a parachute in an expanded state, FIG. 4 is an enlarged cross-sectional view of an essential part, and FIG. FIG. 6 is an enlarged sectional view of an essential part showing an operating state.
In the figure, 12 is a parachute, 13 is this parachute
It is a parachute case that folds and stores 12 and has a groove formed at the upper end thereof so as to face each other to form a locking portion.

16 is a storage cylinder, 17 is a weight that also serves as the bottom of the storage cylinder 16, 18 is a sensor body stored in the storage cylinder,
Reference numeral 19 denotes a connecting plate housed in the upper part of the storage cylinder, and connects the parachute case 13 and the storage cylinder 16 in a separable manner.

Reference numeral 20 denotes a rotating mechanism attached to the frame of the sensor body 18, and the upper end thereof is connected to a pressing plate 21 that presses the connecting plate 19 from above so that the connecting plate 19 can rotate.

Reference numeral 22 denotes a separating spring arranged between the sensor body 18 and the coupling plate 19 by compression, and 23 denotes an antenna folded and housed in the separating spring 22.

The hanging rope 12a of the parachute 12 has a loop at the lower end and is fitted into a plurality of pins 24 as shown in FIG. 5, and the pins 24 are the locking portions of the parachute case 13.
It is designed to lock at 15.

Incidentally, 13a is an insertion hole provided in the parachute case 13, and the end portion of the coupling plate 19 is inserted in the same manner as in the above-mentioned conventional technique. Therefore, although not shown, the storage cylinder 16 is also provided with an insertion hole.

Further, since the structures and operations of the connecting plate 19, the rotating mechanism 20 and the pressing plate 21 are the same as those of the conventional art, detailed description thereof will be omitted.

According to the above configuration, the pin 24 fitted with the plurality of hanging ropes 12a
Is locked to the locking portion 15 of the parachute case 13 and is housed in the storage cylinder 16 against the force of the separation spring 22.
Holds the parachute case 13 in the housing cylinder 16 with the connecting plate 19 without being disengaged from the locking portion 15 by being sandwiched between the inner wall of the housing cylinder 16 and the pressing plate 21 holding the connecting plate 19.

Therefore, for example, when dropped from an aircraft, the parachute 12 stretched as shown in FIG. 2 causes the parachute 12 to drop in a stable posture and land at a safe speed.

After landing, the rotation mechanism 20 rotates to rotate the pressing plate 21, and when the pressing plate 21 releases the pressing of the coupling plate 19, the sixth
As shown in the figure, the connecting plate 19 is opened upward to release the connection between the parachute case 13 and the storage cylinder 16.

After the release, the parachute case 13 is pushed upward by the force of the separation spring 22. As a result, the pin 24 is disengaged from the locking portion 15 by its own weight as shown in FIG. 6, and the parachute 12 is separated from the parachute case 13.

Furthermore, when the coupling between the parachute case 13 and the storage cylinder 16 is released by the force of the separation spring 22, the antenna 23 folded and stored in the separation spring 22 is expanded, and the storage cylinder 16 is stored. Is settled by the weight 17, the sensor body 18 is floated by buoyancy, and the storage cylinder 16 and the sensor body 18 are separated.

[Effect of device]

According to the present invention described in detail above, the parachute case accommodating the parachute is housed in the accommodating cylinder containing the sensor body against the force of the separation spring, and the parachute case is pressed by the coupling plate, and the coupling is further performed. In the parachute separation structure that keeps the plate fixed by the pressing plate and operates the rotating mechanism to release the fixed state to separate the parachute case from the storage cylinder, the parachute case is opposed to the upper end of the parachute case. Then, the groove is provided to form the locking portion, the lower end of the suspension rope of the parachute is fitted to the pin fitted to the locking portion, and the pin thus formed is fitted to the locking portion to form the parachute case. By storing the inside of the storage cylinder,
Since the suspended rope of the parachute can be easily and detachably fitted to the parachute case, the assembly process is extremely simple, and the separation mechanism is easy to assemble.

[Brief description of drawings]

FIG. 1 is a sectional view, FIG. 2 is a sectional view of a parachute in a stretched state, FIG. 3 is an enlarged plan view of an essential part, FIG. 4 is an enlarged sectional view of an essential part, FIG. 5 is a perspective view of an essential part, FIG. 6 is an enlarged sectional view of an essential part showing an operating state, FIG. 7 is a sectional view, FIG. 8 is a sectional view of a parachute in an expanded state, and FIG. 9 is a plan view of an essential part of the parachute in an expanded state. Fig. 11 is a cross-sectional view of the main parts when the parachute is expanded, Fig. 11 is a cross-sectional view of the main parts when the parachute case is separated from the storage cylinder, and Fig. 12 is a perspective view of the hanging rope connected to the top. Is. 12 …… Parachute 12a …… Suspended rope 13 …… Parachute case 14 …… Groove 15 …… Locking part 16 …… Storage cylinder 19 …… Coupling plate 20 …… Rotating mechanism 21 …… Holding plate 22 …… Separation Spring 24 …… pin

Claims (1)

[Scope of utility model registration request] 1. A parachute case accommodating a parachute in a accommodating cylinder having a built-in sensor main body is housed against the force of a separating spring, the parachute case is held by a connecting plate, and the connecting plate is further pressed by a holding plate. In the parachute separation structure in which the parachute case is separated from the storage cylinder by keeping the fixed state and operating this pressing plate by the rotation mechanism to release the fixed state, the groove is provided at the upper end of the parachute case so as to face each other. To form a locking part, and fit the lower end of the suspension rope of the parachute to the pin fitted to the locking part, and fit the pin thus formed to the locking part to put the parachute case in the storage cylinder. Parachute separation structure characterized by being stored in.