CN219485537U - Bandage rolling structure capable of simultaneously tightening or pulling out two ends - Google Patents

Abstract

The utility model relates to the technical field of binding bands. The utility model provides a bandage rolling structure that can tighten up simultaneously or pull out at both ends, includes outer chassis and inner support, is equipped with first rolling axle between outer chassis and the inner support, and the right side of inner support is equipped with the rolling support, is equipped with the second rolling axle on the rolling support, and the winding has the bandage on first rolling axle and the second rolling axle, and first rolling axle bilateral symmetry is equipped with a plurality of ratchet, and the ratchet is located between outer chassis and the inner support, is equipped with on outer chassis and the inner support and can restrict ratchet pivoted stop gear. The utility model provides a bandage rolling structure which can simultaneously tighten or pull out two ends, and has the advantages of high strength, long service life, small volume, portability and low processing cost, wherein the two ends of the bandage can be simultaneously rolled inwards or outwards stretched; the tensioner solves the technical problems that the tensioner in the prior art is large in size, inconvenient to carry, high in processing cost, weak in short-belt fixing mode, easy to fall off and short in service life.

Description

Bandage rolling structure capable of simultaneously tightening or pulling out two ends

Technical Field

The utility model relates to the technical field of binding bands, in particular to a binding band winding structure capable of simultaneously tightening or pulling out two ends.

Background

Along with economic development, fields such as logistics, express delivery, freight and the like develop rapidly, and when fixed goods or certain article, all need fix it through the bandage, just used the bandage tensioner at this moment, the bandage tensioner can be accomodate and pull out the bandage, traditional bandage tensioner is a fixed short ribbon and a long ribbon that can freely stretch out and draw back, the bandage is fixed and is pulled out the long ribbon from the tensioner after one end, realize fixing through long ribbon and short ribbon cooperation, this kind of tensioner needs to accomodate the long ribbon on a spool, so need bigger casing to protect the bandage, the volume of tensioner is great, inconvenient carrying, processing cost is high, the short ribbon is fixed on a fixed axle simultaneously, the intensity of this kind of fixed mode short ribbon is not high, the phenomenon that easily takes place to drop, life is short, therefore have the needs of improvement.

Disclosure of Invention

The utility model provides a bandage rolling structure which has the advantages that two ends of a bandage extend to two sides, the two ends of the bandage can be simultaneously rolled inwards or outwards, the bandage is simultaneously rolled on two shafts, the strength of the bandage is high, the service life is long, the volume is small, the carrying is convenient, and the processing cost is low; the technical problems that the traditional binding belt tensioner in the prior art is mainly a fixed short belt and a long belt which can freely stretch and retract, the volume of the tensioner is large, the tensioner is inconvenient to carry, the processing cost is high, the short belt fixing mode is not firm enough, the phenomenon of falling easily occurs, and the service life is short are solved.

The technical problems of the utility model are solved by the following technical scheme: the utility model provides a bandage rolling structure that can tighten up simultaneously or pull out at both ends, including outer bottom frame and the inner support that can relative rotation, outer bottom frame presss from both sides in the inner support both sides, outer bottom frame and inner support between be equipped with first rolling axle, the right side rotation of inner support is equipped with the rolling support, the rolling is equipped with the second rolling axle on the support, the winding has the bandage on first rolling axle and the second rolling axle, the one end of bandage extends to the left side, the other end of bandage extends to the right side, first rolling axle bilateral symmetry is equipped with a plurality of ratchet, the ratchet is located between outer bottom frame and the inner support, outer bottom frame is equipped with the stop gear that can restrict ratchet pivoted on the inner support. The outer chassis and the inner bracket can rotate relatively, the first winding shaft penetrates through the inner bracket and the outer chassis, the ratchet wheels are fixed at two ends of the first winding shaft, the limiting mechanism is used for limiting the rotation of the ratchet wheels and the first winding shaft so as to control the extension or inward winding of the binding belt to two sides, the traditional binding belt winder is mainly composed of a fixed short belt and a long belt which can be freely stretched, the binding belt is only one and wound on the first winding shaft and the second winding shaft, then the two ends of the binding belt extend to two sides respectively, the two ends of the binding belt can be simultaneously extended to two sides or are tightened inwards, so that the strength of the binding belt can be increased, the stability of the binding belt in use can be guaranteed as long as the binding belt is continuously pulled out, and meanwhile the binding belt can be rapidly pulled out to a designated length.

Preferably, the left end of the binding band is a front extension end, the right side of the binding band is a rear extension end, the front extension end of the binding band extends leftwards from the first winding shaft, the rear extension end of the binding band is wound on the first winding shaft and the second winding shaft in sequence and then wound on the first winding shaft again and extends upwards right, and the front extension end and the rear extension end of the binding band can be simultaneously outwards elongated or inwards wound. The front extension end of bandage is taken on supporting the shelves pole by first rolling axle forward extension, and the back extension end of bandage twines again behind first rolling axle, second rolling axle in proper order and twines on first rolling axle and extend to the upper right side, and first rolling axle and second rolling axle can play the effect of accomodating the bandage like this, and first rolling axle can control the both ends of bandage and wind simultaneously or pull out simultaneously, and the second rolling axle can accomodate the bandage of many.

Preferably, the front extension end and the rear extension end of the binding belt are fixedly provided with hanging rings. Hanging rings are arranged at two ends of each binding belt, and the hanging rings are used for hanging the binding belts on other objects to fix the binding belts.

Preferably, the left side of the inner bracket is fixedly provided with a supporting baffle rod, and one end of the binding belt extending leftwards is lapped on the supporting baffle rod. The function of the supporting baffle rod is to provide guiding and limiting functions for the extension of one end of the binding band, so that the structure is prevented from being blocked and the winding or pulling out is prevented from being influenced due to the downward falling of the binding band.

Preferably, the limiting mechanism comprises inner limiting sliding grooves symmetrically formed in the inner support, an inner sliding plate is slidably arranged in the inner limiting sliding grooves, and one end of the inner sliding plate abuts against the gear tooth gap of the ratchet wheel. The inner side slide plate can slide in the inner side limit slide groove, one end of the inner side slide plate is propped against the gear tooth gap of the ratchet wheel, so that the rotation of the ratchet wheel can be limited, the ratchet wheel can only rotate in one direction, and the rotation of the ratchet wheel can be controlled by rotating the inner support in the same way.

Preferably, the limiting mechanism further comprises an inner baffle plate which is integrally formed at the top of the inner bracket and extends downwards, an extension hole is formed in the inner baffle plate, an extension rod is integrally formed at the left end of the inner slide plate, the extension rod can penetrate through the extension hole, and an inner reset spring is arranged between the extension rod and the inner baffle plate. The effect of inboard baffle is with interior reset spring cooperation realization inboard slide, when manual clockwise pulls the inner support, the inner support can drive inboard slide along the teeth of a cogwheel clockwise rotation of ratchet, the inboard slide can be along the slip of inboard spacing spout and compress interior reset spring when rotating along the teeth of a cogwheel of ratchet, the reaction force of interior reset spring can make the continuous card of inboard slide in the different teeth of a cogwheel clearance of ratchet, the contained angle of inner support and outer chassis can increase gradually, when manual anticlockwise pulls the inner support, the inboard slide can drive the anticlockwise rotation of ratchet, will drive first winding spool rolling simultaneously.

Preferably, the two sides of the outer bottom frame are symmetrically provided with limit grooves, and the inner side sliding plate can be clamped in the limit grooves. The effect of spacing recess is spacing to the rotation of inner support, and when the inner support rotated clockwise, the inboard slide can break away from spacing recess, and when the inner support rotated anticlockwise, the inboard slide can block into spacing recess again in, avoids the inner support excessively to rotate.

Preferably, the outer chassis is symmetrically provided with outer limit sliding grooves, an outer pull handle is slidably arranged in each outer limit sliding groove, and one end of each outer pull handle is clamped in a gear tooth gap of the ratchet wheel. The outer handle is far away from the same with the inner side slide, can play the effect of restricting ratchet pivoted, and the ratchet can only anticlockwise rotate, and outer handle and inner side slide cooperation can effectually restrict the direction of rotation of ratchet.

Preferably, the outside limit chute is internally integrally formed with a limit bulge, an outside limit torsion spring matched with the outside pull handle is arranged in the limit bulge, the outside pull handle is provided with a handle through groove, and one end of the outside limit torsion spring is hooked in the handle through groove. When the inner support drives the ratchet wheel to rotate anticlockwise, the outer pull handle is continuously clamped into a gear tooth gap of the ratchet wheel under the action of the outer limit torsion spring, the included angle between the inner support and the outer chassis is gradually reduced, the length of the outer pull handle for controlling winding of the binding belt can be accurately controlled, the binding belt can be fully prevented from being pulled outwards by being matched with the inner side sliding plate, and the binding belt can be pulled out freely only by simultaneously pulling the inner side sliding plate and the outer pull handle away from the ratchet wheel if required.

Preferably, the left side integrated into one piece has outer handle, the rolling support outside be equipped with the rolling handle of being connected with the second reel. The outer body handle is used for holding and operating in aspects, and the winding handle is used for conveniently winding the redundant binding bands on the second winding shaft during winding.

Therefore, the bandage rolling structure capable of simultaneously tightening or pulling out two ends has the following advantages: only one bandage in the winding structure, the two ends of the bandage extend to two sides, the two ends of the bandage can be simultaneously inwards wound or outwards stretched, the limiting mechanism can control the rotation of the ratchet wheel, the regulation of the length of the bandage is accurately realized, the bandage is simultaneously wound on the first winding shaft and the second winding shaft, the strength of the bandage is high, the use effect is stable, the service life is long, the volume is small, the carrying is convenient, and the processing cost is low.

Drawings

Fig. 1 is a schematic perspective view of a strap winding structure and strap assembly according to the present utility model, which can be simultaneously tightened or pulled out at both ends.

Fig. 2 is a schematic diagram of the front cross-sectional structure of fig. 1.

Fig. 3 is a schematic perspective view of a winding structure of a binding band capable of being simultaneously tightened or pulled out at two ends.

Fig. 4 is a schematic top view of fig. 3.

Fig. 5 is a schematic diagram of the front cross-sectional structure of fig. 3.

Fig. 6 is a schematic view of the left-hand cross-sectional structure of fig. 3.

In the figure, an outer chassis 1, an inner support 2, an outer pull handle 3, an outer limit sliding groove 4, a limit protrusion 5, an outer limit torsion spring 6, an outer pull handle 7, a handle through groove 8, a first winding shaft 9, a ratchet wheel 10, a support baffle 11, an inner baffle 12, an extension hole 13, an inner limit sliding groove 14, an inner slide plate 15, an extension rod 16, an inner return spring 17, a limit groove 18, a winding support 19, a second winding shaft 20, a winding handle 21, a binding belt 22, a front extension end 23, a rear extension end 24 and a hanging ring 25.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples:

as shown in fig. 1 and 2 and 3 and 4 and 5 and 6, a bandage winding structure capable of being simultaneously tightened or pulled out at two ends comprises an outer bottom frame 1 and an inner support 2 which can rotate relatively, wherein the outer bottom frame 1 is clamped at two sides of the inner support 2, an outer pull handle 3 is integrally formed at the left end of the outer bottom frame 1, two sides of the outer bottom frame 1 are symmetrically provided with an outer limit sliding groove 4, a limit bulge 5 is integrally formed in the outer limit sliding groove 4, an outer limit torsion spring 6 is fixedly arranged on the limit bulge 5, an outer pull handle 7 is slidably arranged in the outer limit sliding groove 4, a handle through groove 8 is formed on the outer pull handle 7, one end of the outer limit torsion spring 6 is hooked in the handle through groove 8, a first winding shaft 9 is penetratingly arranged between the outer bottom frame 1 and the inner support 2, two ends of the first winding shaft 9 are fixedly provided with ratchet wheels 10, one end of the outer pull handle 7 is clamped between gear tooth gaps of the ratchet wheels 10, the left side of the inner bracket 2 is fixedly provided with a supporting baffle rod 11, a limiting mechanism is arranged between the outer bottom bracket 1 and the inner bracket 2, the limiting mechanism comprises an inner baffle plate 12 which is integrally formed at the top of the inner bracket 2 and extends downwards, an extending hole 13 is formed on the inner baffle plate 12, an inner limiting chute 14 is symmetrically formed on the outer bottom bracket 1, an inner sliding plate 15 is arranged in the inner limiting chute 14 in a sliding manner, one end of the inner sliding plate 15 is propped against the gear tooth gap of the ratchet wheel 10, the other end of the inner sliding plate 15 is integrally formed with an extending rod 16, the extending rod 16 can pass through the extending hole 13, an inner reset spring 17 is arranged between the extending rod 16 and the inner baffle plate 12, a limiting groove 18 is integrally formed on the outer bottom bracket 1, the inner sliding plate 15 is clamped in the limiting groove 18, a rolling bracket 19 is rotatably arranged at the right side of the inner bracket 2, a second rolling shaft 20 is rotatably arranged in the rolling bracket 19, the winding handle 21 connected with the second winding shaft 20 is rotatably arranged on the outer side of the winding bracket 19, the first winding shaft 9 and the second winding shaft 20 are wound with the binding belt 22, the left end of the binding belt 22 is a front extension end 23, the right side of the binding belt 22 is a rear extension end 24, the front extension end 23 of the binding belt 22 extends leftwards from the first winding shaft 9 and is lapped on the supporting baffle rod 11, the rear extension end 24 of the binding belt 22 is wound on the first winding shaft 9 and the second winding shaft 20 again after being wound on the first winding shaft 9 and extends rightwards and upwards in sequence, and the hanging rings 25 are fixedly arranged on the front extension end 23 and the rear extension end 24 of the binding belt 22.

When in use, the binding band 22 is wound on the first winding shaft 9 and the second winding shaft 20, then the rear extension end 24 of the binding band 22 is wound back on the first winding shaft 9, at the moment, the front extension end 23 of the binding band 22 is lapped on the supporting baffle rod 11, the rear extension end 24 of the binding band 22 extends from the first winding shaft 9 to the rear side, the inner side sliding plate 15 is clamped in the gear tooth gap of the ratchet wheel 10, the outer pull handle 7 is clamped in the gear tooth gap of the ratchet wheel 10, when the inner bracket 2 is manually pulled clockwise, the inner bracket 2 drives the inner side sliding plate 15 to rotate clockwise along the gear teeth of the ratchet wheel 10, the inner side sliding plate 15 slides along the inner side limiting sliding groove 14 and compresses the inner return spring 17 while rotating along the gear teeth of the ratchet wheel 10, the reaction force of the inner return spring 17 can ensure that the inner side sliding plate 15 is continuously clamped in different gear tooth gaps of the ratchet wheel 10, the included angle between the inner bracket 2 and the outer chassis 1 is gradually increased, when the inner bracket 2 is manually pulled back anticlockwise, the inner slide plate 15 drives the ratchet wheel 10 to rotate anticlockwise, the first winding reel is driven to wind up, the binding belt 22 is wound inwards, in the rotating process of the ratchet wheel 10, the outer pull handle 7 is continuously clamped into the gear tooth gap of the ratchet wheel 10 under the action of the outer limit torsion spring 6, the included angle between the inner bracket 2 and the outer chassis 1 is gradually reduced, the winding length of the binding belt 22 can be accurately controlled by the outer pull handle 7, the free outwards pulling of the binding belt 22 can be fully avoided by matching with the inner slide plate 15, if the binding belt 22 is required to be pulled out, the binding belt 22 can be freely pulled out by simultaneously pulling the inner slide plate 15 and the outer pull handle 7 away from the ratchet wheel 10, the length of the strap 22 and the number of windings can be adjusted as desired.

Claims (10)

1. Bandage rolling structure that can tighten up or pull out simultaneously at both ends, its characterized in that: including outer frame and the inner support that can relative rotation, outer frame presss from both sides in the inner support both sides, outer frame and inner support between be equipped with first rolling axle, the right side of inner support rotates and is equipped with the rolling support, the rotation is equipped with the second rolling axle on the rolling support, the winding has the bandage on first rolling axle and the second rolling axle, the one end of bandage extends to the left side, the other end of bandage extends to the right side, first rolling axle bilateral symmetry is equipped with a plurality of ratchet, the ratchet is located between outer frame and the inner support, outer frame is equipped with on with the inner support can restrict ratchet pivoted stop gear.

2. The strap winding structure of claim 1, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: the left end of the bandage is a front extension end, the right side of the bandage is a rear extension end, the front extension end of the bandage extends to the left side from the first winding shaft, the rear extension end of the bandage is sequentially wound on the first winding shaft and the second winding shaft and then is wound on the first winding shaft again and extends to the upper right, and the front extension end and the rear extension end of the bandage can be simultaneously outwards elongated or inwards wound.

3. The strap winding structure of claim 2, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: hanging rings are fixedly arranged on the front extension end and the rear extension end of the binding belt.

4. The strap winding structure of claim 1, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: the left side of the inner bracket is fixedly provided with a supporting baffle rod, and one end of the binding belt extending leftwards is lapped on the supporting baffle rod.

5. The strap winding structure of claim 1, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: the limiting mechanism comprises inner limiting sliding grooves symmetrically formed in the inner support, an inner sliding plate is arranged in the inner limiting sliding grooves in a sliding mode, and one end of the inner sliding plate abuts against the gear tooth gap of the ratchet wheel.

6. The strap winding structure of claim 5, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and further comprising: the limiting mechanism further comprises an inner baffle plate which is integrally formed at the top of the inner support and extends downwards, an extension hole is formed in the inner baffle plate, an extension rod is integrally formed at the left end of the inner slide plate and can penetrate through the extension hole, and an inner reset spring is arranged between the extension rod and the inner baffle plate.

7. The strap winding structure of claim 1, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: limiting grooves are symmetrically formed in two sides of the outer bottom frame, and the inner side sliding plate can be clamped in the limiting grooves.

8. The strap winding structure of claim 7, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and further comprising: the outer chassis is symmetrically provided with outer limit sliding grooves, an outer pull handle is arranged in the outer limit sliding grooves in a sliding mode, and one end of the outer pull handle is clamped in a gear tooth gap of the ratchet wheel.

9. The strap winding structure of claim 8, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and further comprising: the outer limiting sliding groove is internally integrally formed with a limiting bulge, an outer limiting torsion spring matched with the outer pull handle is arranged in the limiting bulge, a handle through groove is formed in the outer pull handle, and one end of the outer limiting torsion spring is hooked in the handle through groove.

10. The strap winding structure of claim 1, wherein the strap winding structure is capable of being simultaneously tightened or pulled out at both ends, and is characterized in that: the outer chassis on left side integrated into one piece have outer handle, the rolling support outside be equipped with the rolling handle of second rolling hub connection.