JPH0861889A - Loading cylinder-replacing mechanism for revolver - Google Patents

Abstract

PURPOSE: To simply attach and detach a loading cylinder at a rotary arm by interposing a cam between holding arms having bearings mounted in a frame, rotating the cam to release between the arms and removing the cylinder. CONSTITUTION: Bearings 12a, 12b, 13a, 13b hold holding arms 10a, 10b, 11a, 11b mounted in the frame of the rear of a gun barrel and a rotary shaft of a loading cylinder mounted at the arms at both sides. Operating means can rotate the arms 10a, 10b, 11a, 11b at a cartridge loading position from the frame. A replacing mechanism releases a pair of bearings 12a, 12b and 13a, 13b by the operation of the operating means to extrude the cylinder itself. A cam 14 is mounted between the arms 10a, 10b and 11a, 11b. Thus, the loading of the cylinder and the removing of the used cylinder can be rapidly conducted by one-touch operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading cylinder replacing mechanism for a rotary type handgun, and a loading cylinder which could not be replaced easily in the past can be replaced by pushing with a spare loading cylinder so as to be replaced with one touch. The present invention relates to a loading cylinder changing mechanism of a handgun.

[0002]

2. Description of the Related Art In a conventional rotary handgun, a rotary arm (yoke) mounted on a frame (receiver) is provided with a bearing portion for holding a rotary shaft of a loading cylinder. After firing a bullet, the ratchet mechanism rotates the loading cylinder when the hammer is raised, and the next bullet is set to the firing position.

Further, when all the bullets in the loading cylinder are fired, the rotary arm mounted on the frame is operated to shift the loading cylinder from the frame portion, the shell is removed, and the next bullet is loaded. ing.

[0004]

In the above, the loading cylinder cannot be detached from the rotary arm without a troublesome disassembling work, and cannot be easily attached to and detached from the rotary arm.

However, setting the bullets in the loading cylinder is troublesome, and since it takes time to load the bullets, improvement thereof has been desired. That is, if the bullet can be easily attached to and detached from the frame together with the loading cylinder set in advance, the rotary handgun can be made easier to use.

Therefore, in the loading cylinder exchange mechanism of the rotary handgun of the present invention, the rotating arm portion is improved so that the loading cylinder in which the bullet is preset can be easily attached to and detached from the rotating arm. It was invented for the purpose of eliminating the drawbacks and enabling quick rescue of lives.

[0007]

SUMMARY OF THE INVENTION A loading cylinder exchange mechanism for a rotary handgun according to the present invention comprises a holding arm mounted on a frame and a pair of holding arms mounted on the holding arm for holding the rotating shaft of the loading cylinder on both sides thereof. Bearing part,
A holding mechanism having an operating means for rotating the holding arm from the inside of the frame to the actual package loading position, and an exchange mechanism for opening the pair of bearings by operating the operating means to take out the loading cylinder itself. It is characterized by having done.

Further, the loading cylinder exchange mechanism of the rotary handgun of the present invention includes a holding arm mounted on the frame, a pair of bearing portions mounted on the holding arm for holding the rotating shaft of the loading cylinder on both sides of the holding arm, and a holding portion. Rotation including a holding mechanism having an operating means that allows the arm to rotate from the frame to the actual package loading position, and a replacement mechanism that opens the bearing part by operating the operating means to take out the loading cylinder itself. In a loading cylinder exchange mechanism for a reciprocating handgun, a cam is interposed between respective holding arms having a pair of bearings mounted on a frame, and the cam is rotated when the holding arm is rotated by the operation of the operating means. It is also characterized in that the holding arms are opened to take out the loading cylinder.

[0009]

In the loading cylinder exchange mechanism of the rotary handgun according to the present invention, the bullets can be attached to and detached from the frame together with the preset loading cylinders. Therefore, it is easy to set the bullets on the loading cylinder, and the loading cylinder is loaded and used. It is now possible to take out the loaded cylinder with one touch and quickly.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a loading cylinder replacing mechanism for a rotary handgun of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show the essential parts of a rotary handgun to which the loading cylinder replacement mechanism for the rotary handgun of the present invention is applied.

In FIGS. 1 and 2, reference numeral 1 is a barrel having a star 2, and a loading cylinder 3 is attached to a frame 7 holding the barrel 1 at a rear portion thereof through a loading cylinder exchange mechanism. In the figure, 4 is a hammer and 5 is a trigger.

FIG. 3 shows another example of the rotary handgun.

As shown in FIGS. 5 to 11, the loading cylinder changing mechanism has holding arms 10a, 10b and 11a, 11b attached to a frame 7 at the rear of the barrel 1.
And the holding arms 10a, 10b and 11a, 1
1b, and a pair of bearings 12a, 12b and 13a, 13b for holding the rotary shaft 6 of the loading cylinder 3 on both sides thereof, and holding arms 10a, 10b, and 11a, 11b are loaded from inside the frame 7 by actual packaging. A holding mechanism including an operating means (not shown) that can be rotated to a position, and the pair of bearing portions 12a, 12b, and 13
The exchanging mechanism is configured to open a and 13b by operating the operating means and push out the loading cylinder 3 itself.

That is, the exchange mechanism comprises a pair of holding arms 10a, 10b and 11a, 11b in the length direction and the width (diameter) direction of the loading cylinder 3, and a pair of holding arms 10a, 10b, 11a, 11b. A cam 14 axially mounted between the two, and a bearing portion 12 attached to each of the holding arms 10a and 10b and 11a and 11b.
a, 12b, and 13a, 13b.
An overall image of the exchange mechanism is shown in FIG.

The cam 14 and the operating lever 21 of the operating means connected to the cam 14 are shown in FIGS. 11 and 12.

As shown in FIG. 11, the cam 14 is a holding arm 10.
The angle between a and 10b and between the holding arms 11a and 11b are formed at different angles, and the holding arms 10a and 10b and the holding arms 11a and 11b are spread at different time lags. Further, FIG. 12 shows that the holding arms 10a and 10b, and 11a and 11b are attached to the frame 7.
This shows an operation means that can be rotated from the inside to the actual package loading position, and the cam 14 can be operated at the same time.
That is, the cam 14 is pivotally mounted on the shaft mounting portion of the operation lever 21, and the cam 14 also rotates in accordance with the operation of the operation lever 21.

FIG. 4 is a schematic view showing a conventional loading cylinder, in which a rotating shaft 1 is attached to a frame 107 holding a barrel 101.
No. 05 is pivotally mounted, and the loading cylinder 103 is rotatably mounted on the rotary shaft 105. Then, the loading cylinder 103 is pushed from one side, the rotary shaft 105 is rotated to rotate the loading cylinder 103 from the inside of the frame 107 to the actual package loading position, and the cartridge is taken out and a new bullet is loaded. .

5 and 6 show the holding arms 10a and 1a.
0b side operating means is shown. By operating the operating means connected to the cam 14, the loading cylinder 3 is opened from the state of FIG. 5 to the state of FIG.
It can be taken out from 2b.

7 to 10 show holding arms 11a and 1a.
1b shows the operation means on the side, and a pair of holding arms 11
Not only the cam 14 but also a spacer 15 that is movable at a right angle or in parallel with the cam 14 is disposed between a and 11b.

That is, an L-shaped guide groove 16 is formed in the spacer 15 so as to move vertically and horizontally along the guide pin 17. Also spacer 1
An auxiliary groove 18 into which the holding arms 11a and 11b are drawn is formed on one surface of No. 5.

In this case, when the cam 14 is rotated from the position shown in FIG. 7, the holding arms 11a and 11b are pushed apart via the spacer 15 as shown in FIG. 8 to be expanded to the maximum width shown in FIG. In this state, the loading cylinder 3 can be pulled out from between the pair of bearings. When the spacer 15 is pushed out parallel to the cam 14 by the loading cylinder 3 when the loading cylinder 3 is pulled out from between the pair of bearing portions, the holding arms 11a and 11b are drawn into the auxiliary groove 18 provided on one side of the spacer 15, It returns to the original position like 10. After that, when the cam 14 is returned to the initial position, the spacer 15 also moves toward the cam 14 and the spring 1
It is pushed back parallel to the cam 14 by 9 and returns to the original position in FIG.

14 to 18 are cross-sectional views of the exchange mechanism. The pair of bearings 12a, 12b,
And 13a and 13b can be moved separately. Reference numeral 31 is a spring for urging the bearing portions 12a, 12b and 13a, 13b in opposite directions.

In the conventional magazine or cylinder type gun, a magazine or cylinder loaded with a new bullet cannot be mounted unless the magazine or cylinder that has been used is ejected or taken out. In the loading cylinder exchange mechanism of the rotary type gun, as shown in FIG. 19, the new loading cylinder 3 is simply attached to the frame 7 by simply pushing out the used loading cylinder 3 with the new loading cylinder 3. be able to.

That is, when the loading cylinder 3 is pushed in against the spring 31 in the state of FIG. 14, the space between the bearing portions 12a and 12b is expanded as shown in FIG. 15, and the loading cylinder 3 is extended to the bearing portions 13a and 13b. It hits and stops. When the loading cylinder 3 passes between the bearing portions 12a and 12b,
As shown in FIG. 16, the pair of bearings 12a, 12b and 1
The loading cylinder 3 is housed in 3a and 13b.

After the bullets in the loading cylinder 3 have been fired,
When the spare loading cylinder 3 is pushed in from the bearing portions 12a and 12b side while the operation lever 21 of the operating means is operated to the second stage position, the cam 14 widens the space between the bearing portions 13a and 13b as shown in FIG. And loading cylinder 3
Is easily extruded. At this time, the ejected loading cylinder 3 pushes the spacer 15 out of the position shown in FIG. 9 in parallel with the cam 14, so that the holding arms 11a and 11b are attached to the spacer 1.
5 is drawn into the auxiliary groove 18 provided on one surface of the bearing 5, and as shown in FIG. 18, the pair of bearing portions 12a, 12b and 13a, 13
b returns to the original position and prevents the new loading cylinder 3 from coming off.

FIG. 20 shows the loading cylinder 3 with a pair of bearings 1
2 shows the stopper 41 when housed in 2a, 12b and 13a, 13b. The stopper 41 is held in the frame 7 so as to be retractable and retractable, and is constantly urged by a spring 42 in a protruding direction. 43 is a small screw for preventing falling.

[0028]

As described above, in the loading cylinder exchange mechanism of the rotary pistol according to the present invention, the bullets can be attached to and detached from the frame together with the preset loading cylinders. Therefore, it is easy to set the bullets in the loading cylinder and the loading cylinder is loaded. And, it is possible to quickly remove a used loading cylinder with one touch.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment of a loading cylinder replacing mechanism for a rotary handgun of the present invention.

FIG. 2 is a schematic view showing a main part of a frame portion.

FIG. 3 is a schematic view showing another example of a main part of a frame portion.

FIG. 4 is a schematic view showing a conventional loading cylinder.

FIG. 5 is a side view of one holding arm, showing a main part of an embodiment of a loading cylinder replacement mechanism for a rotary handgun of the present invention.

FIG. 6 is a side view showing the opened state.

FIG. 7 is a side view of the other holding arm, showing the essential parts of one embodiment of the loading cylinder replacement mechanism for the rotary handgun of the present invention.

FIG. 8 is a side view showing the opening process.

FIG. 9 is a side view showing the opened state.

FIG. 10 is a side view showing a returning state of the holding arm.

FIG. 11 is a perspective view of a cam used in the loading cylinder changing mechanism of the rotary handgun of the present invention.

FIG. 12 is a side view thereof.

FIG. 13 is an exploded view of the loading cylinder replacement mechanism of the rotary handgun of the present invention.

FIG. 14 is a cross-sectional view of the exchange mechanism.

FIG. 15 is a cross-sectional view showing a state where the loading cylinder is fitted.

FIG. 16 is a transverse cross-sectional view with a loading cylinder attached.

FIG. 17 is a cross-sectional view showing a state in which the loading cylinder is removed.

FIG. 18 is a cross-sectional view showing a state in which the loading cylinder is removed.

FIG. 19 is a schematic view showing a loading cylinder replacement procedure of the rotary handgun of the present invention.

FIG. 20 is an exploded view showing a stopper when the loading cylinder is housed in a pair of bearing portions.

[Explanation of symbols]

 1 Barrel 2 Sight Star 3 Loading Cylinder 4 Hammering Iron 5 Trigger 6 Rotating Shaft 7 Frames 10a, 10b, 11a, 11b Holding Arms 12a, 12b, 13a, 13b Bearings 14 Cams 15 Spacers 16 Guide Grooves 17 Guide Pins 18 Auxiliary Grooves 19 Spring 21 Operation lever 31 Spring 41 Stopper 42 Spring 43 Small screw for preventing falling

Claims (2)

[Claims] 1. A holding arm divided into a length direction of a loading cylinder mounted on a frame, a bearing portion attached to the holding arm for holding a rotation shaft of the loading cylinder on both sides thereof, and the holding arm. In a loading cylinder exchange mechanism of a rotary handgun having a holding mechanism including an operating means and an exchanging mechanism that opens the bearing cylinder by operating the operating means to take out the loading cylinder itself, a bearing portion mounted on a frame. A cam is interposed between the holding arms each having an opening, and the cam is rotated by the operation of the operating means so that the holding arms are opened so that the loading cylinder can be taken out. mechanism. 2. A holding arm divided into a length direction and a width direction of a loading cylinder mounted on a frame, a bearing portion attached to the holding arm for holding a rotating shaft of the loading cylinder on both sides thereof, and the holding unit. In the loading cylinder exchange mechanism of the rotary handgun having a holding mechanism having an operating means for operating the arm and an exchange mechanism for opening the bearing portion by operating the operating means to take out the loading cylinder itself, A cam is interposed between holding arms divided in the length direction and the width direction of the mounted loading cylinder, and the cams are formed at different angles between the holding arms divided in the width direction of the loading cylinder. By rotating this cam by the operation of, the holding arms in the width direction can be sequentially moved only from one direction. Open and fit the loading cylinder,
A mechanism for exchanging a used loading cylinder, which is characterized in that a loading cylinder replacement mechanism for a rotary type handgun.