JP2011121647A - Structure of load fastening device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure of a load fastening device capable of pulling-up or stopping a band at any time. <P>SOLUTION: The load fastening device includes a base seat 10, a handle 20, a band roller 30, rewinding mechanism, a first control member 50, and a second control member 60. The base seat 10 has two side pieces 12 faced each other, a projected section 17 and an arc edge 16 are formed at a side edge of the side piece 12, and a receiving rod 13 of a first band 70 and a winding rod 14 of a second band 72 are respectively connected between two side pieces 12. The band roller 30 covers the winding rod 14 and has a winding section 31 for winding the second band 72, wherein gear sections are respectively connected with both ends of the winding section 31. The rewinding mechanism rewinds the second band 72 by driving the band roller 30. The first control member 50 is arranged between two side pieces 12 and controls the gear teeth 33 of the gear section using its elasticity. The second control member 60 has an expulsion section for sliding in contact with the arc edge 16 or expelling the projected section 17 and a blocking section 66 for locking the gear teeth 33 of the gear section. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamping machine that binds an article with a string or a hand, and more particularly to a structure of a clamping machine that can automatically unwind a band and prevent it from being decelerated.

Some of the current tightening machines do not have the automatic band rewinding function, so that it takes time to rewind the sent out band, which is inconvenient. In addition, even with a lashing machine having a rewinding function, the rewinding speed cannot be controlled, so that the metal hook that hooks the front end of the band is likely to jump and become unstable, which may injure people.

Prior arts such as “Retractable Tie-Down With Rotation Break” in Patent Document 1 and “Clamping Machine with Automatic Band Rewinding Function” in Patent Document 2 include a load-clamping machine having a brake unit. It is disclosed. This brake unit is provided on the base so that it can be recovered, and when the band automatically rewinds, it does not interfere with the rotation of the band roller, and the first stop attached to the handle when the handle is combined with the base. The band can be pulled or stopped by starting the brake unit and decelerating or blocking the band roller by the elastic restraining means.

However, since the space is limited in the loader, by attaching the brake unit described above, the range in which the band or other components can be moved is inevitably reduced. Furthermore, this also has a problem that the manufacturing cost increases.

Further, in order to combine the handle and the base seat, the first restraining member must be pushed and pressed in the forward rotation direction across the convex portion of the base seat, and it is necessary to restrain the movement of the handle. Moreover, since it is necessary to restore the handle in the reverse direction by pressing the first stop member again and straddling the convex portion, it takes time and there is room for improvement.

United States Patent 7,503,736 China Patent Publication No. 100391645 Specification

Accordingly, an object of the present invention is made in view of the above-described problems of the prior art, which eliminates the need for mounting a brake unit, reduces the manufacturing cost, and allows the band or other components to move. It is an object of the present invention to provide a structure of a tightening machine capable of pulling or stopping a band at any time without affecting the performance.

Further, the next object of the present invention is to allow a combination of the handle and the base seat without pushing the first restraining member, and at the same time simplify the combination or separation of the two and can perform the smoothing machine more smoothly. To provide a structure.

In order to solve the above-described problems, a first aspect of the present invention provides a load holding machine including a base, a handle, a band roller, a rewinding mechanism, a first restraining member, and a second restraining member. The base has two side pieces facing each other, and one convex portion and at least one arc edge are formed on an edge of the side piece, and between the two side pieces. The receiving rod of the first band and the winding rod of the second band are connected to each other, and the handle is swingably provided on the base, and has two wing pieces connected to the winding rod, The band roller includes the winding rod and a winding portion that winds the second band, and one carriage portion is connected to both ends of the winding portion, and the unwinding mechanism is The band roller is attached to the base seat And the second band can be rewound, and the first restraining member is installed between the two side pieces, elastically restrains the hook of the carriage portion, and can be pushed open by the handle. The second restraining member is installed between the two wing pieces, and engages with an evacuation portion that slides in contact with the arc edge or excludes the convex portion, and an anchor of the carriage portion. It has the blocking part which stops.

According to a second aspect of the present invention, in the first aspect, the exclusion portion is formed at a portion of the second restraining member that faces the side piece, and the blocking portion is a second restraining portion that faces the carriage portion. It is formed at a part of the member and is arranged upward with respect to the evacuation part.

According to a third aspect of the present invention, in the second aspect, the second restraining member includes one deformed piece, and the deformed piece includes two operating portions branched toward the band roller. The portion is formed at the front end of the operating portion adjacent to the blocking portion, and the deformed piece is extended with a force receiving portion that is exposed to the outside at a portion different from the peripheral edge of the operating portion. Is provided with a restoring spring for holding the handle and the actuating portion.

According to a fourth aspect of the present invention, in the first or third aspect, the wing piece is provided with a raised portion, and the raised portion pushes the first restraining member in a state where the handle is combined with the base seat. It is characterized by.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, one retaining member is added to each side piece of the base seat at a portion different from the end of the receiving rod, and the second band is attached to the retaining member. An opening that can be inserted is provided.

The load clamping machine according to the present invention has the above-described configuration, and when the handle is closed to the base seat, the first restraining member is pushed open by the raised portion formed on the wing piece, and the discharge portion projects over the arc edge. At the same time as being inhibited by the portion, the blocking portion presses the edge of the outer periphery of the carriage portion, thereby releasing the locking relationship between the second restraining member and the carriage portion. At this time, when the band wound up by the hand roller is pulled out, the carriage portion rotates in conjunction with the hook portion, and at the same time, the heel edge collides with the restraining surface of the obstruction portion, and makes a sound. This collision sound can inform surrounding people when the machine is in use. Once the external force for pulling the band is lost, the frictional force that the blocking portion presses the outer edge of the carriage portion becomes larger than the rotational force, and the rotation of the band roller can be stopped immediately. Therefore, the band can be pulled or stopped at any time. Further, it is not necessary to install a brake unit, the structure can be simplified, and the manufacturing cost can be reduced.

Further, by pulling the second restraining member forward only by pressing the force receiving portion downward, the evacuation portion exceeds the convex portion as the second restraining member is pulled up, and the external force that has continued to act on the force receiving portion continues. When the release is released, the blocking portion can lock the heel or the rim of the outer periphery of the carriage portion so that it can be locked according to the elastic restoration of the second restraining member. At the same time, when the raised portion changes its position according to the rotation of the wing piece, and the first restraining member loses the locking of the raised portion, it immediately operates and locks the collar or the collar edge of the outer periphery of the carriage part again. . Therefore, the handle and the base can be combined without pushing the first stop member, and at the same time, the combination or separation between the two can be simplified and performed more smoothly.

It is a disassembled perspective view of the suitable Example of the load clamping machine of this invention. It is a perspective view after combining the load-clamping machine of FIG. It is a side view when a handle is combined with a base. FIG. 4 is a side view showing a relationship between the exclusion portion and the convex portion, and the blocking portion and the heel, which is a portion surrounded by a broken-line circle in FIG. 3. It is a longitudinal cross-sectional view which shows the relationship between the band roller in FIG. 3, a 2nd control member, a blade piece, and a 1st control member. It is a longitudinal cross-sectional view which shows the press of a 2nd stop member, and raising of a handle. It is explanatory drawing which shows the relationship between the handle pulled up at a certain angle, and a base. FIG. 8 is an explanatory view showing a state surrounded by a broken-line circle in FIG. 7 and a state where the blocking portion locks the ridge after the exclusion portion straddles the convex portion. It is a longitudinal cross-section which shows the relationship between a band roller, a 2nd band, a 1st control member, and a protruding part after raising a handle. It is a longitudinal cross-sectional view which shows the rocking | fluctuation condition of a handle | steering-wheel.

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

As shown in FIGS. 1 and 2, the load clamping machine 100 according to the present invention, a base 10, a handle 20, a band roller 30, a rewinding mechanism 40, a first restraining member 50, and a second restraining member. 60.

The base 10 includes one bottom plate 11 and two side pieces 12 formed by bending both sides of the bottom plate 11, and a convex portion 17 is provided on the edge of each side piece 12. A two-stage arc edge is formed with the convex portion 17 as a boundary. Between the two side pieces 12 facing each other, a receiving rod 13, a winding rod 14, and a maintenance member 15 are installed. The receiving rod 13 is fixed to one end of both side pieces 12 and is inserted through the end of the first band 70 connecting the metal hook 71. The winding rod 14 is inserted through the end of the second band 72 connecting the metal hook 71 and is pivotally connected to the arc edge 16 corresponding to the both side pieces 12. The maintenance member 15 is fixed to the other end of the both side pieces 12 (the end opposite to the receiving rod 13) by a rivet, and an opening 18 through which the second band 72 passes is provided below the maintenance member 15.

The handle 20 has two wing pieces 22 through which a watermark hole 21 is penetrated at a central portion and used for penetrating the winding rod 14. These wing pieces 22 are extended in the same direction on both sides of the handle 20. Thereby, the handle 20 can be swung with respect to the base 10. One notch 23 and one raised portion 24 are formed on the edge of each blade piece 22. The notch 23 is located at a portion of the wing piece 22 adjacent to the handle 20, and the raised portion 24 is located at a portion of the wing piece 22 opposite to the notch 23.

The band roller 30 includes a winding part 31 and a carriage part 32 into which both ends of the winding part 31 are inserted. The winding part 31 has a C-shaped cross section and covers the outer periphery of the winding rod 14. The second band 72 attached to the winding rod 14 can be exposed through the gap 34 and can be wound up on the winding part 31. Moreover, the metal hook 71 can be exposed to the outside of the base 10 through the opening 18. A large number of rods 33 are continuously formed around the wheel portion 32 that contacts the blade piece 22.

The rewinding mechanism 40 includes a rewinding spring 41 and an outer shell 42. The rewinding spring 41 has a circular center portion sandwiched between end portions of the winding rod 14, an outer circular portion is restrained by the inner surface of the outer shell 42, and the band roller 30 is driven to wind the second band 72. it can. The outer shell 42 is attached to any one of the two side pieces 12, and the rewinding spring 41 is housed inside the outer shell 42, thereby enhancing safety.

The first restraining member 50 is a single body having a substantially Y-shaped cross section, bifurcated side wings 51 are inserted corresponding to the rectangles 52 of the side pieces 12, and independent projecting tail portions 53 are provided. A positioning piece 54 fixed to the jacket bottom plate 11 is penetrated, and a single compression spring 55 is fitted to the tail portion 53. The compression spring 55 is pressed between the first stopping member 50 and the positioning piece 54. With this elastic force, the tip end portions of the both side wings 51 can come into contact with one hook 33 of the wheel portion 32 so as to be locked, and the rotation of the band roller 30 can be stopped.

The second stop member 60 includes a deformed piece 61 that is rotatably connected between the wing pieces 22, and the deformed piece 61 includes two operating portions 62 that are branched toward the band roller 30. There is a force receiving portion 63 that extends outward at a different edge from the edge of the operating portion. On both sides of the deformed piece 61, a restoring spring 64 that holds the handle 20 and the operating portion 62 is attached.
The operating portion 62 of the deformed piece 61 is deflected to the base 10. At the front end of each actuating portion 62, a rejecting portion 65 and a blocking portion 66 adjacent to each other are formed. These evacuation portions 65 are formed in a downward shape, face the side piece 12, are located outside the operation portion 62, can slide in contact with the surface of the arc edge 16, and engage with the convex portion 17. Then, the handle 20 cannot be raised. These blocking portions 66 are formed in an upward shape with respect to the rejecting portion 65, are located on the inner side of the operating portion 62 so as to face the pulley portion 32, and the peripheral edge of the pulley portion 32 is moved according to the sliding movement of the rejecting portion 65. 33 can be locked. Further, when the stub portion 65 is restrained by the convex portion 17, the band roller 30 is blocked by the hook edge of the carriage portion 32 and cannot be rotated.

As shown in FIGS. 3 and 4, when the handle 20 is closed to the base 10, the restoring spring 64 elastically acts on the second restraining member 60, and the rejecting portion 65 contacting the side piece 12 is a convex portion. 17, the handle 20 is not lifted naturally. At this time, the bottom surface of the blocking portion 66 just locks the surface of the rod 33, and since this locking force P is larger than the rewinding force of the wheel portion 32, the band roller 30 is stopped and the second band 72 is Can no longer be wound.

As shown in FIG. 5, the external force F that pulls the second band pulls the winding portion 31, and the winding portion 31 rotates in the direction of the arrow in conjunction with the carriage portion 32. Since this external force F is larger than the locking force of the blocking portion 66, the flange 33 on the periphery of the rotating band roller 30 collides with the upward blocking portion 66 and pushes the blocking portion 66 upward, and the restoring spring. When the blocking portion 66 presses the blocking portion 66, the blocking portion 66 tries to lock the next rod 33 again. And since the collar 33 and the blocking part 66 collide continuously, a sound will be emitted and it can warn the surrounding people that the 2nd band has been pulled out. In particular, when the handle 20 is closed, the side wing 51 is caused to press the outer edge of the raised portion 24 of the wing piece 22 and the first stop member 50 is pushed out of the range where the hook 33 can be locked. It can be done.

Please refer to FIG. By pressing down the force receiving portion 63 of the second restraining member 60 exposed from the watermark hole 21, the operating portion 62 positioned in the notch 23 is pulled up. At the same time, the evacuation part 65 moves away from the range in which the arc edge 16 and the convex part 17 can be contacted. As a result, the handle 20 is pulled up to an angle in the direction of the arrow together with the blocking portion 66.

As shown in FIGS. 7 and 8, when the handle 20 is pulled up to a certain angle, the external force applied to the force receiving portion 63 can be loosened. The exclusion part 65 straddles the convex part 17 and contacts the surface of the arc edge 16 of the next step. At the same time, with the elastic restoration of the second restraining member, the blocking portion 66 can be engaged with the flange 33 on the outer periphery of the wheel portion 32, and the rotation of the band roller 30 can be prevented.

Please refer to FIG. 9 and FIG. The restraint of the handle 20 is released. The orientation of the raised portion 24 is changed by the rotation, and the side wings 51 are not pushed open again. Thereby, the 1st stop member 50 returns to the range which can latch the collar 33 again. When the handle 20 is pulled up in the illustrated clockwise direction, the blocking portion 66 that locks the collar 33 winds the carriage section 32 in conjunction with it, and the winding section 31 of the band roller 30 rewinds the second band 72. It becomes like this. Further, when the handle 20 is swung in the illustrated counterclockwise direction, the blocking portion 66 slides along the arc of the flange 33. This slide is performed until the handle 20 is again swung in the clockwise direction, whereby the band roller 30 can be rotated.

It should be noted that when the handle 20 is closed again on the base 10, the evacuation portion 65 straddles the convex portion 17 along the arc edge 16 and the interference (or contact) zone formed by the convex portion 17 and the arc edge 16. This prevents the handle 20 from being lifted. At the same time, the raised portion 24 of the blade piece 22 also pushes and opens the first stop member 50 to release the locking relationship between the blocking portion 66 and the carriage portion 32 again, and the blocking portion 66 changes to hold the rod 33.

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.

DESCRIPTION OF SYMBOLS 100 Clamping machine 10 Base 11 Bottom plate 12 Side piece 13 Receiving rod 14 Winding rod 15 Maintenance member 16 Arc edge 17 Protruding part 18 Opening 20 Handle 21 Opening hole 22 Wing piece 23 Notch 24 Raised part 30 Band roller 31 Winding part 32 Shaft portion 33 齒 34 Clearance 40 Rewind mechanism 41 Rewind spring 42 Outer shell 50 First restraining member 51 Side wing 52 Rectangular hole 53 Tail portion 54 Positioning piece 55 Compression spring 60 Second restraining member 61 Deformed piece 62 Acting portion 63 Force Receiving portion 64 Restoring spring 65 Rejecting portion 66 Blocking portion 70 First band 71 Metal hook 72 Second band P Locking force F External force

Claims (5)

A structure of a load holding machine including a base, a handle, a band roller, a rewinding mechanism, a first restraining member, and a second restraining member,
The base has two side pieces facing each other, and one convex portion and at least one arc edge are formed on the side edge of the side piece, and the first band is received between the two side pieces. The rod and the winding rod of the second band are connected to each other,
The handle has two wing pieces that are swingably provided on the base and connected to the winding rod,
The band roller has the winding rod and has a winding part for winding the second band, and one wheel part is connected to both ends of the winding part,
The rewinding mechanism is attached to the base, and can drive the band roller to rewind the second band,
The first restraining member is installed between the two side pieces, and restrains the saddle of the carriage portion by elasticity, and can be pushed open by the handle,
The second restraining member is installed between the two blade pieces, and slides in contact with the arc edge or rejects the convex portion, and locks the rod of the gear portion. A structure of a compaction machine characterized by having a blocking portion. The rejecting portion is molded at a portion of the second restraining member facing the side piece, and the blocking portion is molded at a portion of the second restraining member facing the carriage portion, and with respect to the rejecting portion 2. The structure of the load clamping machine according to claim 1, wherein the structure is arranged in an upward direction. The second restraining member includes one deformed piece, and the deformed piece has two actuating parts branched toward the band roller, and the evacuation part is adjacent to the blocking part of the actuating part. The deformed piece is formed with a force receiving portion that is exposed to the outside at a portion different from the edge of the operating portion, and the deformed piece has a restoring spring that presses the handle and the operating portion. The structure of the load-carrying machine according to claim 2, wherein the structure is attached. The wing piece is provided with a raised portion, and the raised portion pushes and opens the first restraining member in a state where the handle is combined with the base seat. The structure of the machine. In the both side pieces of the base seat, one maintenance member is added at a portion different from the end of the receiving rod, and the maintenance member is provided with an opening through which a second band can be inserted. The structure of the load-clamping machine according to claim 4.