CN219407677U - Bandage tensioner - Google Patents

Abstract

The application discloses bandage tensioner relates to and bindes technical field. The strap tensioner comprises a side plate, a rotating shaft, a second strap, a ratchet mechanism, a first strap fixing rod and a first strap. The hand handle of the existing strap tensioner is removed by the strap tensioner, the structure is simple, the production cost is low, and the rotating shaft can be directly sleeved with the unidirectional needle bearing wrench.

Description

Bandage tensioner

Technical Field

The utility model relates to the technical field of binding, in particular to a binding belt tensioner.

Background

Many articles used in daily life involve binding, so an auxiliary tool is often used: a strap tensioner. The existing bandage tensioner adopts a double-ratchet mechanism, and comprises a bandage fixing rod, a bandage rotating shaft, a double-ratchet mechanism, a ratchet driving mechanism, a bracket, a hand handle and the like, so that the structure is complex, the production cost is high, and the bandage tightening and unbinding operation is also relatively troublesome. In addition, because the shapes, the lengths, the volumes and the like of the bound articles are different, the lengths of the binding bands are different, but the binding bands used by the conventional binding band tightener are generally fixed in length, so that the binding band tightener with a plurality of sets of binding band with different lengths is required to be used at ordinary times, and is troublesome. In addition, when the conventional bandage tensioner is placed at ordinary times, the bandage is generally in a loose state, is messy and is inconvenient to carry.

Disclosure of Invention

The utility model provides a bandage tensioner, which removes a hand crank of the existing bandage tensioner, has simple structure and low production cost, and can directly sleeve a unidirectional needle bearing wrench on a rotating shaft. Especially, the winding binding belt is wound on the rotating shaft, the using length of the binding belt can be determined according to actual needs, and the binding belt can be long or short.

The utility model adopts the technical scheme that: a strap tensioner comprising: the two side plates are oppositely arranged; one end of each of the two side plates is connected with a rotating shaft; the second binding belt is wound on the rotating shaft, and a second hook is arranged at the tail end of the second binding belt; the ratchet mechanism comprises a ratchet and a pawl, and at least one end of the rotating shaft is provided with the ratchet and is connected with the pawl; the other ends of the two side plates are connected with the first binding band fixing rods; and one end of the first binding belt is fixed on the first binding belt fixing rod, and the other end of the first binding belt is provided with a first hook.

The utility model has the beneficial effects that:

the hand handle of the existing strap tensioner is removed by the strap tensioner, the structure is simple, the production cost is low, the rotating shaft can be directly sleeved with a unidirectional needle bearing wrench, and the strap tightening and unbinding operation is simple and convenient. Especially, the winding binding belt is wound on the rotating shaft, the using length of the binding belt can be determined according to actual needs, and the binding belt can be long or short, which is equivalent to a set of binding belt tensioner which can be used as a plurality of sets of binding belt tensioners. And the binding belt tensioner can be used for winding the binding belt when placed at ordinary times, so that the binding belt tensioner is tidy and convenient to carry.

The beneficial effects of the utility model are better reflected in the following specific embodiments.

Drawings

FIG. 1 is one of the isometric views of the strap tensioner of example 1;

FIG. 2 is a second perspective view of the strap tensioner of example 1;

FIG. 3 is a partial exploded view of the strap tensioner of example 1;

FIG. 4 is a schematic view of the structure of the one-way needle bearing wrench of example 1;

FIG. 5 is an isometric view of the tensioner of example 2 with the first strap and the second strap removed;

FIG. 6 is a second perspective view of the tensioner of example 2 with the first strap and the second strap removed;

FIG. 7 is one of the isometric views of the strap tensioner of example 2;

FIG. 8 is a second perspective view of the strap tensioner of example 2;

FIG. 9 is one of the isometric views of the strap tensioner of example 3 wherein the first axial socket joint is a hex head;

FIG. 10 is a second perspective view of the strap tensioner of example 3 wherein the first axial socket joint is a hex head;

FIG. 11 is a schematic view of the structure of the manual ratchet wrench of example 3;

FIG. 12 is an isometric view of the strap tensioner of example 3 with the first axial socket hole being a square hole;

FIG. 13 is a schematic view of the structure of the electric ratchet wrench of embodiment 3;

fig. 14 is an isometric view of a strap tensioner with the strap being a rope in example 4.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to the drawings.

It should be noted that the first axial sleeve joint or the first axial sleeve joint hole provided by the rotating shaft in the utility model corresponds to the second axial sleeve joint or the second axial sleeve joint on the external manual ratchet wrench in a pairwise manner, that is, the first axial sleeve joint on the rotating shaft and the second axial sleeve joint on the external manual ratchet wrench are sleeved and clamped in a pairwise manner, and can be separated, or the first axial sleeve joint hole on the rotating shaft and the second axial sleeve joint on the external manual ratchet wrench are sleeved and clamped in a pairwise manner, and can be separated. If the rotating shaft is externally connected with an electric ratchet wrench or a pneumatic ratchet wrench, the same is true. The relevant situation is described in more detail in the following examples.

It should be noted that the binding band of the present utility model also includes a string-like flexible binding material such as a rope or a string. Because the name of the binding belt is longer in parallel with other strip-shaped and flexible binding articles such as ropes, wires and the like, the text description is quite inconvenient, and the binding belt is particularly described herein. In the following examples there are illustrations using ropes.

In the following embodiments, the strap tensioner of the present utility model is shown by reference numeral 100 in the drawings.

Example 1

As shown in fig. 1, 2, 3 and 4. The strap tensioner 100 includes side plates 1, two side plates 1 are arranged opposite to each other, and the side plates 1 are made of a metal material. The binding belt tensioner 100 comprises a rotating shaft 2, one end of two side plates 1 is connected with the rotating shaft 2, two ends of the rotating shaft 2 penetrate through the two side plates 1, the rotating shaft 2 is of an integrated structure, and the rotating shaft 2 can rotate on the two side plates 1. A groove 10 is arranged on the rotating shaft 2 between the two side plates 1, and the groove 10 is a through groove. The strap tensioner 100 includes a first strap fixing lever 7, and the other ends of the two side plates 1 are connected to the first strap fixing lever 7. The rotating shaft 2 can be directly sleeved with a one-way needle bearing wrench 11, and the one-way needle bearing wrench 11 comprises a needle 12, a round hole 13 and a first handle 14. The round hole 13 of the unidirectional needle bearing wrench 11 can be directly sleeved on the rotating shaft 2, and when the first handle 14 of the unidirectional needle bearing wrench 11 is vertically upwards and is pulled forwards towards the direction of the rotating shaft 2 towards the first binding band fixing rod 7, the needle roller 12 of the unidirectional needle bearing wrench 11 locks the rotating shaft 2 and drives the rotating shaft 2 to synchronously rotate. When the first handle 14 of the one-way needle bearing wrench 11 is pulled backward in the opposite direction, the one-way needle bearing wrench 11 can be rotated backward without rotating the rotating shaft 2. The first handle 14 of the unidirectional needle bearing wrench 11 can be continuously pulled back and forth to continuously rotate the rotating shaft 2. The strap tensioner 100 comprises a ratchet mechanism, the ratchet mechanism comprises a ratchet wheel 5 and a pawl 6, one end of the rotating shaft 2 is provided with the ratchet wheel 5 and is connected with the pawl 6, the pawl 6 is propped against the ratchet wheel 5, the pawl 6 is connected with a spanner 15, and the pawl 6 and the spanner 15 are of an integrated structure. The outer wall of the side plate 1 is fixed with a pin 16, and the spanner 15 is penetrated on the pin 16 and can rotate. The torsion spring 17 is sleeved on the pin 16, the torsion spring 17 is positioned below the spanner 15, and the spanner 15 can rotate and can reset. The pawl 6 can be separated from the ratchet wheel 5 by pressing the trigger 15 by hand. The strap tensioner 100 includes a second strap 3, the second strap 3 being wound around the rotation shaft 2. One end of the second binding band 3 is fixed on the rotating shaft 2 through a groove 10, and a second hook 4 is arranged at the tail end of the second binding band 3. In other embodiments, an adhesive (not shown) or a double-sided adhesive (not shown) is disposed on the rotating shaft 2, and one end of the second strap 3 is fixed on the rotating shaft 2 through the adhesive (not shown) or the double-sided adhesive (not shown). The strap tensioner 100 further includes a first strap 8, one end of the first strap 8 is fixed to the first strap fixing rod 7 and the other end of the first strap 8 is provided with a first hook 9.

When the belt tensioner 100 is used on a truck, the first hook 9 and the second hook 4 are hooked on two sides of the truck carriage, the round hole 13 of the one-way needle bearing wrench 11 is sleeved on the rotating shaft 2, the first handle 14 of the one-way needle bearing wrench 11 is continuously pulled back and forth to enable the rotating shaft 2 to continuously rotate, and at the moment, the rotating shaft 2 cannot be reversed due to the fact that the pawl 6 is abutted against the ratchet wheel 5, the second belt 3 is wound on the rotating shaft 2 until the articles in the truck carriage are tightened all the time. If the binding is to be unbinding, the pulling buckle 15 is pressed by a hand, the pawl 6 is separated from contact with the ratchet wheel 5, the second binding band 3 is pulled by the hand, the second binding band 3 drives the rotating shaft 2 to rotate reversely, the second binding band 3 and the articles are unbinding, and the second binding band 3 can be completely separated from the rotating shaft 2 by continuously pulling the second binding band 3.

Example 2

As shown in fig. 5, 6, 7 and 8. The strap tensioner 100 includes a side plate 1, a rotating shaft 2, a first strap fixing lever 7, and a ratchet mechanism. The rotating shaft 2 is of an integrated structure, and the rotating shaft 2 can be directly sleeved with the unidirectional needle bearing wrench 11. The ratchet mechanism comprises a ratchet wheel 5 and pawls 6, wherein two ends of the rotating shaft 2 are respectively provided with the ratchet wheel 5 and connected with one pawl 6, the two pawls 6 are sheet-shaped, and the two pawls 6 are connected through a connecting plate 18 between the two side plates 1. The side walls of the two side plates 1 are provided with sliding grooves 19 for receiving pawls 6 to slide therein. The tail of the connecting plate 18 facing the first binding band fixing rod 7 is provided with an elongated sleeve piece 20, and a compression spring 21 is sleeved on the sleeve piece 20. A round rod 22 is arranged between the two side plates 1, and the round rod 22 is positioned between the connecting plate 18 and the first strap fixing rod 7. A through hole 23 is provided in the middle of the round bar 22, and the sleeve piece 20 is inserted into the through hole 23 toward one end of the first strap fixing bar 7. When the handle connecting plate 18 is pressed in the direction of the first strap fixing lever 7, the pawl 6 is out of contact with the ratchet 5. When the connecting plate 18 is released by hand, the connecting plate 18 is reset under the action of the compression spring 21, and the two pawls 6 are abutted against the two ratchets 5 again. The strap tensioner 100 includes a second strap 3, the second strap 3 is wound around the rotating shaft 2, and a second hook 4 is provided at the end of the second strap 3. The strap tensioner 100 further includes a first strap 8, one end of the first strap 8 is fixed to the first strap fixing rod 7 and the other end of the first strap 8 is provided with a first hook 9.

When the belt tensioner 100 is used on a truck, the first hook 9 and the second hook 4 are hooked on two sides of the truck carriage, the round hole 13 of the one-way needle bearing wrench 11 is sleeved on the rotating shaft 2, the first handle 14 of the one-way needle bearing wrench 11 is continuously pulled back and forth to enable the rotating shaft 2 to continuously rotate, at the moment, the rotating shaft 2 cannot rotate reversely because the two pawls 6 are abutted against the two ratchet wheels 5, the second belt 3 is wound on the rotating shaft 2 until the articles in the truck carriage are tightened all the time. If the binding is to be released, the two pawls 6 come out of contact with the two ratchet wheels 5 when the connecting plate 18 is pressed by hand in the direction of the first band fixing lever 7. And then the second binding belt 3 is pulled by hand, the second binding belt 3 drives the rotating shaft 2 to rotate reversely, the second binding belt 3 and the articles are unbundled, and the second binding belt 3 can be completely separated from the rotating shaft 2 by continuously pulling the second binding belt 3.

Example 3

As shown in fig. 9, 10 and 11. The strap tensioner 100 comprises a side plate 1, a first strap fixing rod 7 and a rotating shaft 2, wherein one end of the rotating shaft 2 is provided with a first axial sleeve joint or a first axial sleeve joint hole, the first axial sleeve joint or the first axial sleeve joint hole can be sleeved with a manual ratchet wrench 24, and the strap tensioner is sleeved with the second axial sleeve joint hole or the second axial sleeve joint on the manual ratchet wrench 24 in a pairwise axial manner and is clamped, and the strap tensioner can be separated. In this embodiment, the first axial socket on the rotating shaft 2 is a hexagonal head 25, the second axial socket on the manual ratchet wrench 24 is a hexagonal hole 26, and the hexagonal head 25 and the hexagonal hole 26 can be mutually sleeved and clamped. The manual ratchet wrench 24 includes a second handle 27 and a rotatable head 28, with a hexagonal hole 26 in the middle of the rotatable head 28. The rotating head 28 is rotatable alone but is rotatable in only one direction. When the hexagonal hole 26 is sleeved on the hexagonal head 25, the second handle 27 of the manual ratchet wrench 24 is vertically upwards and is pulled forward towards the direction of the rotating shaft 2 by the first strap fixing rod 7, at this time, the second handle 27 rotates forward and drives the rotating head 28 to rotate, and the rotating head 28 drives the rotating shaft 2 to synchronously rotate. When the second handle 27 of the manual ratchet wrench 24 is pulled backward in the opposite direction, the second handle 27 can be rotated backward, and the rotating head 28 is not rotated nor is the rotating shaft 2 rotated when the second handle 27 is rotated backward. Continued back and forth pulling of the second handle 27 of the manual ratchet wrench 24 causes continued rotation of the spindle 2. In other embodiments, as shown in fig. 12 and 11, the first axial socket hole on the rotating shaft 2 is a square hole 29, the second axial socket joint on the manual ratchet wrench 24 is a square head 30, and the square hole 29 and the square head 30 can be mutually sleeved and clamped. It is to be appreciated that in some embodiments, the first axial socket includes but is not limited to a hex head, the second axial socket includes but is not limited to a hex bore, the first axial socket includes but is not limited to a square bore, and the second axial socket includes but is not limited to a square head. As shown in fig. 13, the first axial socket or the first axial socket hole may be sleeved with an electric ratchet wrench 31 or a pneumatic ratchet wrench (not shown). The strap tensioner 100 comprises a ratchet mechanism comprising a ratchet wheel 5 and a pawl 6, wherein one end of the rotating shaft 2 is provided with the ratchet wheel 5 and is connected with the pawl 6, and the pawl 6 is connected with a spanner 15. The strap tensioner 100 includes a second strap 3, the second strap 3 is wound around the rotating shaft 2, and a second hook 4 is provided at the end of the second strap 3. The strap tensioner 100 further includes a first strap 8, one end of the first strap 8 is fixed to the first strap fixing rod 7 and the other end of the first strap 8 is provided with a first hook 9.

Example 4

As shown in fig. 14. The strap secured to the strap tensioner 100 also includes a rope 32.

Claims (2)

1. A strap tensioner, the strap tensioner comprising:

the two side plates are oppositely arranged;

one end of each side plate is connected with the rotating shaft;

the second binding belt is wound on the rotating shaft, and a second hook is arranged at the tail end of the second binding belt;

the ratchet mechanism comprises a ratchet and a pawl, and at least one end of the rotating shaft is provided with the ratchet and is connected with the pawl; and

the other ends of the two side plates are connected with the first binding band fixing rods; and

the first bandage, first bandage one end is fixed on the first bandage dead lever just the first bandage other end is equipped with first hook.

2. The strap tensioner of claim 1, wherein at least one end of the shaft is provided with a first axial socket or a first axial socket hole.