TW201348073A - High-load and safe speed reducing structure of hand puller - Google Patents

Abstract

This invention relates to a high-load and safe speed reducing structure of hand puller, in which a fixed part is inserted with a shaft part and is pivotally connected with a lever part that drives the shaft part to rotate. The fixed part has a first end and a second ends opposite to each other. The first end is provided with a fixed rod to receive one end of a short rope to wind thereon and connect therewith. The second end has at least two rope rods that receive one end of a long rope to continuously bend, insert and wind thereon to be subsequently inserted into and wound around the shaft part, whereby the long rope forms at least an overlapping point at the site of continuous bending, inserting and winding. As such, the pulling force of the loading applied to the shaft part can be shared by the two rope rods, and thus the load capacity of the hand puller can be increased without the need to increase the shaft diameter, which also enables the lever part, a ratchet wheel and related parts to be used in a commonly shared manner so as to greatly reduce the manufacturing cost. Moreover, since the long rope forms at least an overlapping point at the site of continuous bending, inserting and winding, a function of safely and slowly releasing the band can be achieved.

Description

Hand loader high load and safe retarding structure

The invention relates to a hand puller, in particular to a handrail high load and safety slow speed structure which has better versatility and can reduce the manufacturing cost of the product.

According to the general cargo transportation, in addition to setting the appropriate shelf to limit the loading space of the cargo, the rope is usually used to properly bundle the bundle to ensure the stability of the loading, and the bundle binding action of the rope is borrowed. The hook body combined with the end of the strap is hooked on both sides of the truck frame, and is fastened by the use of a hand puller.

As shown in the first, second and third figures, it is a conventional hand-held structure, which is pivotally connected between a fixing portion 10 and a triggering portion 20, and is pivotally connected to the shaft portion 30. The end portion is respectively provided with a ratchet 40, and the fixing portion 1 is formed by a plate engaging link, and is provided with a blocking piece 101 and a fixing rod 102, and the blocking piece 101 can be formed on the ratchet of the ratchet wheel 40. The one-way stop is fixed, and the fixing rod 102 is configured to be connected to one end of a short strap 50. The triggering portion 20 is provided with an ejector plate 201, and the ejector plate 201 can be clamped to the spine of the ratchet wheel 40. The shaft drives the ratchet wheel 40 and the shaft portion 30 to rotate. The shaft portion 30 is used for winding one end of a long rope strap 60. In use, the operation triggering portion 20 pivots relative to the fixed portion 10, drives the shaft portion 30 to wind up the long rope strap 60, and cooperates with the blocking piece 101 of the fixing portion 10 to properly clamp the fixed ratchet wheel 40 to achieve tensioning. Long rope with 60 bundles of goods.

However, this kind of conventional hand puller structure, the tensile force of the load when it is used To be supported by the fixing portion 10, the fixing rod 102 and the shaft portion 30, if the load capacity of the hand puller is to be increased, the strength of the fixing portion 10, the fixing rod 102 and the shaft portion 30 must be raised, and the fixing portion 10 is fixed. Although the rod 102 and the shaft portion 30 can be thickened by thickening or thickening of the diameter, once the diameter of the shaft portion 30 is thickened, other related members (the pulling portion 20, the ratchet 40, etc.) need to be changed accordingly. General, in this way, when the manufacturer manufactures the handles with different load capacities according to the needs of the consumers, most of the components need to be opened, manufactured and invented separately, which leads to a large increase in the cost of the molds, and needs to be larger. The space to place the mold and the inventory of the manufacturing, so that the manufacturing cost of the product is greatly improved, thus reducing the profit and competitiveness of the manufacturer. Moreover, when the hand puller releases the long rope 60, sometimes it is controlled. Improperly causing the long rope strap 60 to suddenly retreat quickly and dangerously.

The present inventors have in view of the conventional hand-held structure, when manufacturing a hand-held device with different load capacities, most of the components need to be opened, manufactured and stocked separately, and the operation is easily and quickly retracted due to improper control. There are obvious inconveniences and omissions. It is the idea of thinking and creation. After many discussions and trial sample tests, and many corrections and improvements, the present invention is finally introduced.

The invention provides a high load and safety slow speed structure of a hand puller, which is provided with a shaft portion on a fixing portion and a pivoting portion for pivoting the shaft portion, and respectively The sleeve is provided with a ratchet, and the fixing portion is formed by a plate engaging link. The fixing portion is provided with a blocking piece, and the blocking piece can be clamped to the ratchet of the ratchet to form a one-way blocking fixing, and the fixing is fixed. The portion has a first end and a second end opposite to the first end, the first end is provided with a The fixing rod is used for winding and fixing one end of the short rope, and the second end is provided with at least two rope rods for the one end of the long rope to be continuously twisted and wound and then wound around the shaft portion to make the length The rope belt forms at least one stacking point at the continuous turning and winding portion, and the pulling portion is provided with a pushing plate which can be engaged with the ratchet wheel to drive the ratchet wheel and the shaft portion to rotate.

The main purpose of the present invention is to provide at least two rope rods for the fixing portion, and one end of the long rope belt is continuously twisted and wound and then wound around the shaft portion, and the shaft portion can be shared by the two rope rods. Pulling force, under the condition that the diameter of the shaft part does not need to be thickened, the load capacity of the puller is increased, so that the relevant parts such as the pulling part and the ratchet wheel can be used universally, and when the manufacturer manufactures the hand puller with different load capacity according to the consumer demand, Only by opening the mold and manufacturing the fixing parts and fixing rods of different specifications, the mold opening cost and the number of inventory items are reduced, and the manufacturing cost of the product is greatly reduced.

The second object of the present invention is that the long rope belt forms at least one stacking point at the continuous turning and winding, thereby achieving a safe slow speed retracting function, thereby avoiding the sudden and rapid retreating of the long rope belt due to improper control. Danger.

In the following, the preferred embodiment of the present invention will be described in detail with reference to the drawings: as shown in the fourth, fifth, sixth, seventh and eighth diagrams, the high load and safe retarding structure of the handler of the present invention, A shaft portion 3 is disposed on a fixing portion 1 and a pivoting portion 2 for pivoting the shaft portion 3 is pivotally mounted, and a ratchet wheel 4 with a peripheral ring-shaped ratchet is respectively disposed on both ends of the shaft portion 3, The fixing portion 1 is composed of two connecting rods 12 arranged in parallel, and a second blocking piece is arranged thereon. The second blocking piece 13 can be formed by the ratchet of the ratchet wheel 4 to form a one-way stop fixing, and the fixing portion 1 has a first end 14 and a second end 15 opposite to the first end 14 . The first end 14 is provided with a fixing rod 16 between the two plates 11 for winding and fixing one end of the short strap 5 . The second end 15 is provided with at least two rope rods between the two plates. The embodiment is provided with a first rope rod 17 and a second rope rod 18, wherein one end of the long rope belt 6 is wound from the bottom to the first rope rod 17 from the bottom to the top, and then the second rope rod is wound from the bottom to the top. 18 is then wound on the shaft portion 3 to be wound, so that the long rope belt 6 is formed into a continuous turning and winding, and a stacking point 61 is formed at the continuous turning and winding, and has appropriate friction resistance, so that the hand When the long rope strap 6 is loosened, the strap can be safely and slowly retracted. The triggering portion 2 is provided with a pusher plate 21 that can be engaged with the ratchet wheel 4 to drive the ratchet wheel 4 and the shaft portion 3 to rotate.

In addition, the fixing portion 1 has a retarding groove portion 19a for abutting the edge of the ejector plate 21 of the urging portion 2 at the edge of the pivoting portion 3 The end edge of the ejector plate 21 of the urging portion 2 is abutting the groove portion 19b when the nip is tightened, and the fixing groove 19c for clamping the end of the ejector plate 21 of the urging portion 2 when the bundle is tightened A positioning groove 19d is provided for the end edge of the pushing plate 21 of the pulling portion 2 to be locked when released.

In use, the triggering portion 2 is pulled back and forth with the end edge of the ejector plate 21 against the fastening groove segment 19b of the fixing portion 1, so as to drive the shaft portion 3 to wind the long rope strap 6 and cooperate with the fixing portion. The blocking piece 13 of 1 is timely clamped and fixed to the ratchet wheel 4, so as to achieve the effect of tightening the long rope belt 6 to bundle the goods. When the long rope belt 6 is tightened, as shown in the sixth and seventh figures, the pulling portion 2 will be The end edge of the ejector plate 21 is engaged in the fixing groove 19c of the fixing portion 1, so that the blocking piece 13 of the fixing portion 1 is inserted into the ratchet of the ratchet wheel 4. The bottom is clamped, and the ratchet wheel 4 and the shaft portion 3 are restricted from rotating, thereby achieving the effect of bundling.

When the tape is to be retracted, please refer to the ninth, tenth, eleventh and twelfth drawings, and the end portion of the ejector plate 21 is abutted against the slow groove portion 19a of the fixing portion 1 When the ratchet 4 is retracted and rotated, one of the flaps 13 is embedded in the ratchet bottom of the ratchet 4, and the other flap 13 is pressed against the ratchet top of the ratchet 4, so that the second flap 13 is The bottom of the ratchet of the ratchet 4 reciprocates relative to the top to achieve the effect of one tooth and one tooth.

Furthermore, the fixing portion 1 may be provided with a single blocking piece 13 on the fixing portion 1 in addition to the second blocking piece 13 as described above, and the single blocking piece 13 is timely carded. The ratchets formed on the ratchet 4 form a one-way stop.

The triggering portion 2 is not shown in the fourth to thirteenth drawings, and the movable portion can be set to be movable as shown in FIG. The portion 2 can be removed from the fixed portion 1 to prevent the trigger portion 2 from being obstructed when the handle is used, and the goods bundled by the handler are not easily stolen by the thief.

Moreover, the long cord 6 and the fixing portion 1 and the shaft portion are wound as described above, and as shown in the fifteenth diagram, the end of the long rope belt 6 is first wound from the bottom to the first rope rod 17 Then, the second rope rod 18 is wound from the bottom to the second rope rod 18 and then wound around the shaft portion 3, so that the long rope belt 6 is formed into a continuous turning and winding, and two stacks are formed at the continuous turning and winding. Point 61, and has a greater frictional resistance, resulting in a better safe slow speed retraction effect.

From the structure of the above specific embodiment, the following benefits can be obtained:

1. The high load and safety slow speed structure of the hand puller of the present invention, the fixing portion 1 is provided with a first rope rod 17 and a second rope rod 18 for one end of the long rope belt 6 to be continuously turned and wound and then passed through the shaft portion. 3 is wound up, and the tension of the shaft portion 3 can be shared by the first rope rod 17 and the second rope rod 18, and the load of the handle can be increased without the diameter of the shaft portion 3 being thickened. The ability to make the relevant parts such as the pulsing part 2 and the ratchet 4 can be universal. When the manufacturer manufactures the hand puller with different load capacity according to the consumer's demand, it is only necessary to open the mold and manufacture the fixed part 1 and the fixed rod 16 of different specifications. The cost of mold opening and the number of inventory are reduced, and the manufacturing cost of the product is greatly reduced, thereby increasing the profit and competitiveness of the manufacturer.

2. The long rope belt 6 forms at least one stacking point 61 at the continuous turning and winding point, and has frictional resistance, thereby achieving a safe slow speed retracting function, thereby avoiding the sudden and rapid retreating of the long rope belt 6 due to improper control. Danger.

[study]

10‧‧‧ Fixed Department

101‧‧‧Block

102‧‧‧Fixed rod

20‧‧‧Turning Department

201‧‧‧ pushed top board

30‧‧‧Axis

40‧‧‧ratchet

50‧‧‧ lanyard

60‧‧‧Long rope

〔this invention〕

1‧‧‧ fixed department

11‧‧‧ plates

12‧‧‧ Connecting rod

13‧‧‧Block

14‧‧‧ first end

15‧‧‧second end

16‧‧‧Fixed rod

17‧‧‧First rope rod

18‧‧‧Second rope rod

19a‧‧‧Slow speed slot

19b‧‧‧Bundle slot

19c‧‧‧fixed slot

19d‧‧‧ positioning slot

2‧‧‧Trading Department

21‧‧‧ pushed top board

3‧‧‧Axis

4‧‧‧ratchet

5‧‧‧Short rope

6‧‧‧Long rope

61‧‧‧

The first picture shows the appearance of the familiar hand puller.

The second picture is a sectional view of the conventional hand puller.

The third picture is a sectional view of the conventional hand-held device combined with the rope.

Fourth figure: is a perspective view of the appearance of the hand puller of the present invention.

Fig. 5 is a perspective exploded view of the hand puller of the present invention.

Figure 6 is a side view of the handle of the present invention.

Figure 7 is a cross-sectional view of the hand puller of the present invention.

Figure 8 is a cross-sectional view of the strap of the handle of the present invention.

The ninth drawing is a side view of the pulling action of the slow-moving belt of the hand puller of the present invention.

The tenth figure is a sectional view of the pulling action of the slow-moving belt of the hand puller of the present invention .

Eleventh drawing: is a side view of the reverse turning action of the slow-release belt of the hand puller of the present invention.

Twelfth Figure: is a cross-sectional view of the reverse turning action of the slow-moving strap of the hand puller of the present invention.

Thirteenth Figure: is a cross-sectional view of a hand puller according to another embodiment of the present invention.

Figure 14 is a perspective view showing the separation portion and the fixing portion of the hand puller according to still another embodiment of the present invention.

Fifteenth Figure: A cross-sectional view of a hand strap combined with a cord in accordance with still another embodiment of the present invention.

1‧‧‧ fixed department

11‧‧‧ plates

12‧‧‧ Connecting rod

13‧‧‧Block

14‧‧‧ first end

15‧‧‧second end

16‧‧‧Fixed rod

17‧‧‧First rope rod

18‧‧‧Second rope rod

19a‧‧‧Slow speed slot

19b‧‧‧Bundle slot

19c‧‧‧fixed slot

19d‧‧‧ positioning slot

2‧‧‧Trading Department

21‧‧‧ pushed top board

3‧‧‧Axis

4‧‧‧ratchet

Claims (6)

The utility model relates to a high load and safety slow speed structure of a hand puller, which is provided with a shaft portion on a fixing portion and a pivoting portion for driving the shaft portion to rotate, and is respectively sleeved at two ends of the shaft portion a ratchet, the fixing portion is formed by arranging a connecting rod between two plates arranged in parallel, and the fixing portion is provided with a blocking piece, and the blocking piece can be clamped to the ratchet of the ratchet to form a one-way blocking and fixing a ejector plate is disposed on the movable portion, and the ejector plate is adapted to rotate the ratchet wheel and the shaft portion of the ratchet wheel; wherein the fixing portion has a first end and a first end and a first end The second end is provided with a fixing rod for winding and fixing one end of a short rope, and the second end is provided with at least two rope rods for continuously twisting and winding one end of the long rope Winding on the shaft portion causes the long rope to form at least one stacking point at the continuous turning and winding. The high load and safety slow speed structure of the hand puller according to the first aspect of the invention, wherein the fixing portion has a bottom edge of the pushing plate for the pulling portion at the edge of the pivoting portion The slow-moving groove section which is abutted when the retracting belt is pulled and the end edge of the ejector plate which is provided by the pulling part are the fixing grooves which are clamped when the bundle is tightened. The high load and safety slow speed structure of the hand puller according to claim 1 or 2, wherein the fixing portion has an edge of the ejector plate at the edge of the pivoting portion of the shaft portion When the clamping is tightened, the locking groove portion and the positioning groove of the pushing plate end edge of the pulling portion are engaged when being loosened. The high load and safe retarding structure of the hand puller described in claim 1 is wherein the pulling portion is movable, movable and fixed. Separation. The high load and safe retarding structure of the hand puller according to the first aspect of the patent application, wherein the number of the blocking pieces disposed on the fixing portion is two. The high load and safety slow speed structure of the hand puller according to the first aspect of the patent application, wherein the number of the shutters disposed on the fixing portion is one.