JP5470641B2 - Clamping machine with rewinding / feeding locking action - Google Patents

Description

The present invention relates to a unwinding / feeding-out clamping machine, and more particularly to a band unwinding / feeding-out clamping machine.

The loader disclosed in Patent Document 1 or Patent Document 2 is provided with one lever on the base and the lever via two winding shafts (hereinafter referred to as half shafts) each divided in half. The two axle pieces that are linked to the wheel are pivoted, and these winding shafts are linked to the carriage piece, and one abutment piece is attached to the lever and the base, The hand can be wound around two winding shafts by locking any one of the edges of the peripheral edge of the carriage piece with elastic force.

As shown in FIG. 1, the base 10 is provided with a base 11, two side walls 12, 12 are bent on both sides of the base 11, and each side wall 12 has one rectangular hole 13 and two side walls 12. Through the through holes 14, 14, there is formed one loose groove 15, one unlock groove 16 and one lock groove in the vicinity of the edge of the pivot end. 14 and the rectangular hole 13 adjacent to the lock groove 17 are separated from each other.

When the lever is rotated at the base 10 to reach the unfolded state, the contact piece of the lever is loosened and inserted into the groove 15, and at the same time, the contact piece of the base 10 is pushed and opened, and the locking action to the carriage piece is achieved. It will be lost. Certainly, this allows the band to be pulled quickly, but lacks control of the safety mechanism and may be dangerous to use.

If the lever contact piece is brought into contact with the unlocking groove 16, a sliding collar 18 pivoted on the outside of the side wall 12 engages any one of the carriage pieces, and the lever is repeated. By the rotating system, the band can be sent out slowly by gear shifting one cage at a time. By inserting the sliding flange 18 into the unlock groove 16, a locking effect can be obtained, and the safety factor of the band feeding can be improved. However, since the delivery speed is considerably slow, there is a problem that the required packing time becomes considerably long.

Once the lever is closed together with the base 10, the lever abutment piece can come into contact with the wall surface of the lock groove 17. At the same time, the rewinding / feeding of the band is stopped. And in a state where both contact pieces are closed together, there is no other effect except for locking the carriage piece.

United States Patent No. 6,799,750 China Patent No. 22167792.7 Specification

Accordingly, an object of the present invention is made in view of the above-mentioned problems of the prior art, and is to provide a load holding machine having a rewinding / feeding locking action.

In order to solve the above-mentioned problems, a first aspect of the present invention is such that one lever and two carriage pieces are pivotally connected to a base, and a winding member is connected to the pivoted portion, and the winding The member is linked to the gear piece and can rewind / send the band, and the lever includes side walls arranged in two rows, and the first contact piece is attached between the side walls, In addition, the base has two side walls arranged in two rows, a second contact piece is attached between the other side walls, and the first and second contact pieces move toward the winding member. In addition, it is possible to lock any one of the wheel pieces and maintain the locking action, while at least one convex ring edge is formed on the side wall edge of the lever. The second contact piece and the carriage piece can be unlocked in a closed state together with the base seat, and the side wall of the base seat can be released. A sliding groove for limiting an activity range in which the first abutting piece interlocks the carriage piece and a locking groove for locking the movement of the first abutting piece are formed on the edge, respectively. One guiding surface is formed obliquely at the end of one abutting piece, and this guiding surface is in contact with any one of the gear pieces in the closed state together with the lever and the base. A load holding machine having a rewinding / feeding locking action.

According to a second aspect of the present invention, in the first aspect, a rewinding / feeding locking function is provided, wherein a rewinding mechanism interlocking with the winding member is attached to the outside of the base seat. It is a loader.

According to a third aspect of the present invention, the winding member according to the first or second aspect has a rewinding / feeding locking action, wherein the winding member comprises two half shafts capable of rewinding or feeding the band. It is a loader.

A fourth aspect of the present invention is characterized in that, in the first or second aspect, the winding member includes a winding shaft and a winding roll that covers the winding shaft and can rewind or feed the band. It is a load-clamping machine having a rewinding / feeding-out locking action.

The load-clamping machine of the present invention has a rewinding / feeding-out locking action, forms a (second) convex ring edge on the side wall edge of the lever, attaches the contact piece of the lever, and The guiding surface is formed obliquely at the end portion that contacts with. With this simple design, when the lever and the base are closed together, the second convex ring edge of the lever side wall opens by pushing the abutment piece of the base seat, and at the same time the lever is in the lock groove corresponding to the side wall edge of the base seat. The contact piece can be made to enter deeply, and any one of the hooks around the carriage piece can be brought into contact with the guide surface.

In addition, when the band is pulled out by an external force and sent out, the carriage piece rotates in synchronization with the guide surface, and the guide surface is applied to the fence surrounded by the circumference of the carriage piece. The contact piece is pushed and opened, and a continuous sound is generated. This action continues until the external force disappears, and the elastic force of the contact piece locks the collar of the carriage piece and pulls the band outward. The operation can be stopped. That is, it has the ability of pulling at any time or stopping at any time.

In addition, one unwinding mechanism is attached to the outside of the base seat, and this unwinding mechanism is linked to the winding member that winds up the band. When the lever and the base seat are closed together, the lever contacts By moving the piece and withdrawing the locking action of the carriage piece, the band can be wound automatically and quickly.

It is a perspective view which shows the base of a well-known cargo clamping machine. It is a perspective view which shows the unfolded state of the suitable Example of the cargo tightening machine of this invention. It is explanatory drawing which shows the relationship between the internal structure and latching of the cargo tightener of FIG. FIG. 4 is a partially enlarged explanatory view of a structure of a portion surrounded by a circle in FIG. 3. It is explanatory drawing of the side surface after closing the load clamping machine of this invention, Comprising: A latching relationship is shown with a dotted line. FIG. 6 is a partially enlarged explanatory view of a structure of a portion surrounded by a circle in FIG. 5. It is explanatory drawing which shows the operation | movement relationship which the cage | basket | car piece contacted with the guide surface, and pushed and opened the 1st contact piece. It is explanatory drawing which shows the condition which closes a cargo tightening machine, moves a 1st contact piece, and rewinds a band.

The best mode for carrying out the present invention will be described in detail below with reference to the drawings.

In the loader 20 provided by the present invention, as shown in FIGS. 2 and 3, the lever 30 and the two carriage pieces 50 are pivotally mounted on the base 40 via the winding shaft 21.

The winding shaft 21 is pierced into the core shaft of the band 22 locking portion, and the hand 22 winding portion other than the band 22 locking portion is wound up on the winding roll 23. The winding roll 23 has a C-shaped cross section, and both ends are attached and coupled to the middle part of the gear piece 50, and the winding roll 23 and the gear piece 50 are connected to each other with the winding shaft 21 as an axis. And can be rotated.

The lever 30 is formed by bending a ring piece 34 at the lever bottom 31, and side walls 32 are formed by bending on both sides, and the first convex wheel is surrounded by the side walls 32 around the edge of the winding shaft 21. The edge 35 and the second convex ring edge 36 are respectively formed, and the rectangular holes 33 are formed through the corresponding positions, and the side wings of the first contact piece 60 are placed in the respective rectangular holes 33. It has been entered. The first abutting piece 60 has one tail 61 extended, and two force receiving portions 63 are formed on both sides, respectively. Further, the first abutting piece 60 is guided to the end contacting the carriage piece 50. The surface 64 is formed obliquely. The tail portion 61 can enter the ring piece 34, and one compression spring 62 is provided outside the tail portion 61. Both ends of the compression spring 62 are in contact with the first contact piece 60 and the ring piece 34, respectively. Thus, the elastic force necessary to move the first contact piece 60 toward the winding shaft 21 is maintained.

A ring piece 43 is formed on the seat bottom 41 of the base seat 40 by bending, and side walls 42 are formed on both sides. The side walls 42 surround the edges of the winding shaft 21 and slide. A groove 44 and a lock groove 45 are formed, and a rectangular hole 46 is formed through the corresponding position, and a side wing of the second contact piece 70 is placed in each rectangular hole 46. . The second abutting piece 70 has a tail 71 that extends into the ring piece 43, and another compression spring 62 is sheathed on the tail 71, and both ends of the compression spring 62 are second abutted. The contact piece 70 and the ring piece 43 are brought into contact with each other, and thereby the elastic force necessary to move the second contact piece 70 toward the winding shaft 21 is maintained.

In addition, one unwinding mechanism 80 is attached to the outer surface of the side wall 42 of the base seat 40, and the unwinding mechanism 80 has a relationship with the winding roll 23, so that the hand 22 can be wound. Used.

The lever 30 is moved so as to be deployed with respect to the base seat 40. The operation of the lever 30 continues until the first contact piece 60 comes into contact with the upright wall surface of the sliding groove 44, and the width of the deployment of both is maximized. Moreover, the first convex ring edge 35 of the lever 30 is also opened by pushing the second contact piece 70. At this time, since the end uppermost surface of the first abutting piece 60 comes into contact with the collar 51, by rotating the carriage piece 50 and rotating a plurality of collars in the same direction, The band 22 can be wound around the outer periphery. When the acting force for moving the lever 302 disappears, the both abutment pieces 60 and 70 maintain the locking action with respect to the carriage piece 50, so there is a concern about the problem that the carriage piece 50 rotates freely. do not have to. Naturally, the hand 22 is not sent out or unwound at all, and the safety of use can be ensured.

5 to 7 show the situation when the lever 30 and the base 40 are closed together. Except for the second contact piece 70 contacting the second convex ring edge 36 and retreating, the end of the first contact piece 60 enters deeply into the lock groove 45 and at the same It abuts against the arc side of one saddle 51 and stops the wheel 50 from rotating at an arbitrary angle.

When the band 22 receives an external force and is pulled outward, the carriage piece 50 rotates in synchronization with each other, and the carriage 51 of the carriage piece 50 collides with the guide surface 64 of the first contact piece 60 one after another. Thus, a continuous sound is emitted to notify the surrounding people that the loader 20 is being used. At the same time, the first contact piece 60 is pushed and opened along the inclination of the guide surface 64, and this operation or operation continues until the external force disappears. The first abutment piece 60 has the function of locking the collar 51 of the carriage piece 50 by an elastic force action, further stopping the operation of pulling the band outward, pulling at any time, or stopping at any time.

As shown in FIG. 8, when the lever 30 and the base seat 40 are closed together, the force receiving portion 63 is moved to retract the first contact piece 60, thereby locking the carriage piece 50. The band can be automatically and quickly rewound on the winding roll 23.

The above embodiments are only used for explaining the technical contents of the present invention, and do not limit the present invention. All equivalent applications based on the spirit of the present invention, or conversion (replacement), replacement, and increase / decrease in the number of parts (structure) shall be included in the protection scope of the present invention.

<Prior art>
DESCRIPTION OF SYMBOLS 10 Base seat 11 Seat bottom part 12 Side wall 13 Rectangular hole 14 Through hole 15 Loose groove 16 Unlock groove 17 Lock groove 18 Sliding collar part <this invention>
20 Clamping machine
21 Winding shaft 22 Band 23 Winding roll 30 Lever 31 Lever bottom 32 Side wall 33 Rectangular hole 34 Ring piece 35 First convex ring edge 36 Second convex ring edge 40 Base seat 41 Seat bottom part 42 Side wall 43 Ring piece 44 Sliding groove 45 Lock groove 46 Rectangular Hole 50 Shaft piece 51 齒 52 Arc side 60 First contact piece 61 Tail portion 62 Compression spring 63 Force receiving portion 64 Guide surface 70 Second contact piece 71 Tail portion 80 Rewinding mechanism

Claims (4)

One lever and two gear pieces are pivotally connected to the base seat, and a winding member is connected to the pivoted portion. The winding member is linked to the gear piece, and the band is wound. Can do back / send,
The lever includes side walls arranged in two rows, a first abutting piece is attached between both side walls, and the base has another side wall arranged in two rows, and the first abutting piece is arranged between the side walls. 2 Attach the contact piece,
While the first and second contact pieces move toward the winding member and can lock any one of the saddle pieces, the locking action can be maintained,
At least one convex ring edge is formed on the side wall edge of the lever, and the convex ring edge releases the locking relationship between the second abutment piece and the carriage piece in the closed state together with the lever and the base. Can
On the side wall edge of the base seat, there are a sliding groove for restricting an active range in which the first abutting piece interlocks with the carriage piece, and a locking groove for locking the movement of the first abutting piece, respectively. Forming,
An end surface of the first abutting piece is obliquely formed with a guide surface, and the guide surface is closed with the lever and the base seat together with any one of the gear pieces. A load-clamping machine having a rewinding / feeding-out locking function, characterized by being in contact with each other. 2. The load clamping machine according to claim 1, wherein a rewinding mechanism interlocking with the winding member is attached to the outside of the base seat. The load-carrying machine having a rewinding / feeding locking mechanism according to claim 1 or 2, wherein the winding member includes two half shafts capable of rewinding or feeding the band. The rewinding / feeding-out device according to claim 1, wherein the winding member includes a winding shaft and a winding roll that covers the winding shaft and can rewind or feed the band. Clamping machine with locking action.