CN206345051U

CN206345051U - Ratchet bandage strainer

Info

Publication number: CN206345051U
Application number: CN201621410167.6U
Authority: CN
Inventors: 徐安
Original assignee: Ningbo An Auto Parts Co Ltd
Current assignee: Ningbo An Auto Parts Co Ltd
Priority date: 2016-12-21
Filing date: 2016-12-21
Publication date: 2017-07-21
Anticipated expiration: 2026-12-21

Abstract

The utility model discloses a kind of ratchet bandage strainer, it is related to a kind of binding tools, its structure includes fastener, pulling piece, ratchet, fixed bandage and tenses bandage etc., mainly by pulling piece using full aluminium die cast two backup plates and be connected to two backup plate outer ends plastics system pull post constitute, and block piece also uses full aluminium die cast, because the material for constituting pulling piece only has aluminium and plastics, therefore have the advantages that lightweight, corrosion-resistant, operate people more laborsaving；In addition, slided and be fitted in chute by slide plate respectively in block piece both sides, the chute is integrally formed on the opposite face of two backup plates again, then the spring of elastic top sliding piece slid inward hidden can be also arranged in the chute, so as to prevent spring from directly exposing, the performance of spring is kept, the reliability that enhancing block piece is engaged with hook tooth improves the safety in utilization of ratchet bandage strainer.

Description

Ratchet bandage strainer

Technical field

The utility model is related to the strainer that a kind of bandage for restraint of loads is quickly tensed, and especially ratchet is tied up Band strainer.

Background technology

At present, generally require to carry out colligation encircling by bandage during cargo transport, so as to prevent goods in transport During dropped caused by jolting, and ratchet bandage strainer is exactly a kind of common bandage auxiliary binding tools, and it can be helped People carry out that goods is quick, reliable colligation is bound, and have the advantages that encircling force greatly, rapid operation, its structure wraps mostly Include pulling piece, ratchet, fastener, fastener, block piece, fixed bandage and tense bandage etc., ratchet is by ratchet shaft and hook tooth structure Into.When fastener and block piece are engaged on hook tooth, the pulling piece opposing fastener inserts are made continuously back and forth to pull, with regard to that can drive ratchet Unidirectional intermittent rotary is formed, and then bandage is tensed by ratchet shaft winding and realizes tensioning action；When fastener and block piece depart from spine The gear teeth, the ratchet is free to rotate, now pulls out tension bandage, the tension bandage on ratchet shaft just can discharge and Realize out band action.

However, the component parts of above-mentioned ratchet bandage strainer is all to use irony part, it is heavy, perishable etc. with weight Also use irony using defect, especially pulling piece, it is the whole topmost functional unit of ratchet bandage strainer, weight compared with Cause people's operation laborious again；In addition, also need to set the long slot bore of hollow out to make sliding installation so as to the both sides of block piece on pulling piece, And also need to set spring to push away slid inward to form elastic top on block piece, then spring, which can only expose, is arranged on rear side of block piece, easily Corroded and cause hydraulic performance decline, and then influence engaging for block piece and hook tooth, also easily there is potential safety hazard.

The content of the invention

Technical problem to be solved in the utility model is the defect for overcoming prior art and provides a kind of lightweight, resistance to Burn into rapid operation, the ratchet bandage strainer using safety.

Technical problem of the present utility model is achieved through the following technical solutions：

A kind of ratchet bandage strainer, including fastener, pulling piece and be rotatably installed in that fastener is inner and pulling piece in The ratchet at end, the ratchet is to be made up of ratchet shaft with the hook tooth for being separately positioned on ratchet shaft two ends, in addition to is fixedly connected on Fixation bandage on fastener, and one end winding is connected on ratchet shaft, the tension bandage of other end formation binding free end；Institute The gear for pushing away slid inward in the fastener of slid inward, described pulling piece provided with elastic top is pushed away in the fastener stated provided with elastic top Part；Described fastener and block piece are engaged on the hook tooth, and the pulling piece opposing fastener inserts are made continuously back and forth to pull, and band Move the ratchet and form unidirectional intermittent rotary, and then wind the tension bandage and realize tensioning action；Described fastener and block piece Depart from the hook tooth, the binding free end of the tension bandage is pulled out, and drives the ratchet freely to rotate and realize Go out band action, described pulling piece has is respectively equipped with integrally formed chute on two backup plates, the opposite face of two backup plates, Described block piece both sides are respectively equipped with slide plate, and the slide plate, which is slided, to be fitted in correspondence chute；It is additionally provided with described chute hidden The spring of installation, and slide plate slid inward described in the spring pushing tow.

Two described backup plates are, by full aluminium die cast, to pull post provided with what is be connected two backup plate outer ends, this is pulled Dynamic post is the cylinder that plastics are made；Described block piece is also full aluminium die cast, and plate is pulled in the block piece outer end provided with plastics system.

Described fastener includes bottom plate and two are located at bottom plate both sides and the side plate bent vertically upward, this two The inner of side plate is equipped with the axis hole being equipped with fastening rib, each fastening rib for the ratchet shaft through installation；It is described Fastener be arranged between two side plates；Described fastening rib excircle is less than hook tooth, on the excircle of fastening rib A circular arc boss and the locked groove on rear side of circular arc boss higher than hook tooth is additionally provided with, the locked groove is also above hook tooth.

Two described backup plate the inners, which are equipped with, pulls flange, each pulls to be equipped with flange and passes through for the ratchet shaft The axis hole of installation；Described pulls flange excircle provided with a stopper slot, and the stopper slot is by the arc groove less than hook tooth With the convex arc groove composition higher than hook tooth, the elastic thrusting slip of described fastener is arranged in the stopper slot.

Two fastening ribs are pulled installed in two between flange, and it is convex with pulling that described hook tooth is arranged on fastening rib Between edge.

Compared with prior art, the utility model be mainly by pulling piece using full aluminium die cast two backup plates and The plastics system for being connected to two backup plate outer ends pulls post composition, and block piece also uses full aluminium die cast, due to constituting pulling piece Material there was only aluminium and plastics, therefore have the advantages that lightweight, corrosion-resistant, make people's operation more laborsaving；In addition, block piece both sides Slided and be fitted in chute by slide plate respectively, the chute is integrally formed on the opposite face of two backup plates again, then elastic top The spring of sliding piece slid inward hidden can be also arranged in the chute, so as to prevent spring from directly exposing, is kept for making for spring The reliability engaged with performance, enhancing block piece with hook tooth, improves the safety in utilization of ratchet bandage strainer.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is Fig. 1 sectional view.

The structural representation of Fig. 3 fasteners.

Fig. 4 is Fig. 3 top view.

Fig. 5 is the structural representation of pulling piece.

Fig. 6 is Fig. 5 top view.

Fig. 7 is the structural representation of block piece.

Embodiment

The utility model embodiment will again be elaborated by above-mentioned accompanying drawing below.

As shown in Fig. 1 ~ Fig. 7,1. pulling pieces, 11. backup plates, 111. chutes, 112. pull flange, 12. pull post, 13. limit Position groove, 131. arc grooves, 132. convex arc grooves, 2. fasteners, 21. bottom plates, 22. side plates, 221. long slot bores, 222. fastenings are convex Bandage, 5. tension bandages, 6. gears are fixed in edge, 223. circular arc boss, 224. locked grooves, 23. mounting rods, 3. fasteners, 31. torsion springs, 4. Plate, 7. ratchets, 71. ratchet shafts, 711. eyelets, 72. hook tooths are pulled in part, 61. springs, 62. slide plates, 63..

Ratchet bandage strainer, as shown in Figure 1 and Figure 2, it is a kind of is used for goods is quick, labour-saving carries out colligation bundle The small-sized aid of tight ratchet-type, its structure is mainly tied up by fastener 2, pulling piece 1, ratchet 7, fixed bandage 4 and tension The grade of band 5 is constituted.

As shown in Figure 3, Figure 4, it includes bottom plate 21 to described fastener 2 and two are located at bottom plate both sides and curved vertically upward The side plate 22 of folding, thus form the structure member that cross section is in " U " type shape, the inner of two side plates 22 is equipped with Fastening rib 222, the axis hole that the center of each fastening rib is equipped with axis hole, two fastening ribs 222 is exactly in same On horizontal axis line；The described outer end of fastener 2 is provided with the mounting rod 23 being fixedly connected between two side plates 22, the mounting rod Provided with the fixation bandage 4 being fixedly connected, coupling hook is provided with the end of fixed bandage, to facilitate the hook of fixed bandage 4 to connect Colligation.

Described pulling piece 1 as shown in Figure 5, Figure 6, it be by full aluminium die cast two backup plates 11 and be connected to two The post 12 of pulling of individual backup plate outer end is constituted, and two the inners of backup plate 11 are equipped with and pull flange 112, and the center for each pulling flange is equal Provided with axis hole, two axis holes pulled on flange 112 are exactly on same level axial line；Described two backup plates 11 it is relative Integrally formed chute 111 is respectively equipped with face；Described post 12 of pulling is the cylinder that plastics are made, to facilitate pulling piece 1 Pull operation.

Described ratchet 7 is to be made up of ratchet shaft 71 with the hook tooth 72 for being separately positioned on ratchet shaft two ends, the ratchet shaft 71 are rotatably installed in fastening rib 222 and eyelet 711 in the axis hole for pulling flange 112, are provided with ratchet shaft 71 with convenient One end of bandage 5 is tensed on ratchet shaft 71, the other end formation binding free end of bandage 5 is tensed.

Two described fastening ribs 222 are pulled installed in two between flange 112, and hook tooth 72 is just arranged on tight Gu flange 222 and pulling between flange 112, then the excircle of fastening rib 222 will be less than hook tooth 72, in fastening rib 222 A circular arc boss 223 and the locked groove 224 on rear side of circular arc boss higher than hook tooth, the locked groove are additionally provided with excircle Higher than hook tooth 72；And the excircle of flange 112 is pulled provided with a stopper slot 13, the stopper slot is by the arc less than hook tooth 72 Wire casing 131 and convex arc groove 132 higher than hook tooth 72 are constituted.

Described fastener 3 is arranged between two side plates 22, and the both sides of fastener 3 slide to be fitted on side plate 22 respectively and preset Long slot bore 221 in, be additionally provided with torsion spring 31 on fastener, thus can elastic pushing tow fastener 3 nibbled along the slid inward of long slot bore 221 Close on hook tooth 72；Described block piece 6 is also full aluminium die cast, and the both sides of the block piece are respectively equipped with cunning as shown in Figure 7 Piece 62, and slide be fitted in the chute 111 of two backup plates 11, the spring 61 of hidden installation, the spring are additionally provided with chute The slid inward of elastic top sliding piece 62 and be engaged on hook tooth 72, plate 63 is pulled in the described outer end of block piece 6 provided with plastics system, can Convenient operation.

The course of work of the present utility model is：When fastener 3 and block piece 6 are engaged on hook tooth 72, i.e., fastener 3 is located at limit On the arc groove 131 of position groove 13, block piece 6 is located on the excircle of fastening rib 222, then operates the opposing fastener inserts 2 of pulling piece 1 to make Continuously back and forth pull, with regard to ratchet 7 can be driven to form unidirectional intermittent rotary, so that it is real by the winding of ratchet shaft 71 tension bandage 5 Existing tensioning action；When fastener 3 and block piece 6 depart from the convex arc groove 132 that the hook tooth 72, i.e. fastener 3 are located at stopper slot 13 On, block piece 6 is located on circular arc boss 223, is typically to cross circular arc boss to be directly entered in locked groove 224, to improve using safety Property, then the binding free end for tensing bandage 5 is outwards moved, just ratchet 7 can be driven freely to rotate, the drawing on ratchet shaft 71 Tight bandage 5 can just discharge and realize out band action.

Described above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and reality The equivalent structure design of example is applied, be should be included within protection domain of the present utility model.

Claims

1. a kind of ratchet bandage strainer, including fastener（2）, pulling piece（1）And it is rotatably installed in fastener（2）It is inner and Pulling piece（1）Inner ratchet（7）, the ratchet is by ratchet shaft（71）With the hook tooth for being separately positioned on ratchet shaft two ends（72） Constitute, in addition to be fixedly connected on fastener（2）On fixation bandage（4）, and one end winding be connected to ratchet shaft（71）It is upper, another One end forms the tension bandage of binding free end（5）；Described fastener（2）The interior fastener that slid inward is pushed away provided with elastic top （3）, described pulling piece（1）The interior block piece that slid inward is pushed away provided with elastic top（6）；Described fastener（3）And block piece（6）Nibble Close in the hook tooth（72）On, the pulling piece（1）Opposing fastener inserts（2）Work is continuously back and forth pulled, and drives the ratchet（7） Unidirectional intermittent rotary is formed, and then winds the tension bandage（5）Realize tensioning action；Described fastener（3）And block piece（6） Depart from the hook tooth（72）, the tension bandage（5）Binding free end pull out, and drive the ratchet（7）Freely turn Move and realize out band action, it is characterised in that described pulling piece（1）With two backup plates（11）, the opposite face of two backup plates On be respectively equipped with integrally formed chute（111）, described block piece（6）Both sides are respectively equipped with slide plate（62）, the slide plate, which is slided, matches somebody with somebody Mounted in correspondence chute（111）It is interior；The spring of hidden installation is additionally provided with described chute（61）, and described in the spring pushing tow Slide plate（62）Slid inward.

2. ratchet bandage strainer according to claim 1, it is characterised in that two described backup plates（11）It is by full aluminium Die cast, in two backup plates（11）Post is pulled provided with what is be connected in outer end（12）, it is the cylinder that plastics are made that this, which pulls post,；Institute The block piece stated（6）It is also full aluminium die cast, plate is pulled in the block piece outer end provided with plastics system（63）.

3. ratchet bandage strainer according to claim 1, it is characterised in that described fastener（2）Including bottom plate（21） It is located at bottom plate both sides and the side plate bent vertically upward with two（22）, the inner of two side plates is equipped with fastening rib （222）, it is equipped with each fastening rib for the ratchet shaft（71）Through the axis hole of installation；Described fastener（3）It is arranged on Two side plates（22）Between；Described fastening rib（222）Excircle is less than hook tooth（72）, in fastening rib（222）It is outer One is additionally provided with circumference and is higher than hook tooth（72）Circular arc boss（223）With the locked groove on rear side of circular arc boss（224）, should Locked groove is also above hook tooth（72）.

4. ratchet bandage strainer according to claim 1, it is characterised in that two described backup plates（11）The inner is all provided with Pull flange（112）, each pull and be equipped with flange for the ratchet shaft（71）Through the axis hole of installation；Described pulls Flange（112）Excircle is provided with a stopper slot（13）, the stopper slot is by less than hook tooth（72）Arc groove（131）And height In hook tooth（72）Convex arc groove（132）Constitute, described fastener（3）Elastic thrusting slip is arranged on the stopper slot（13） It is interior.

5. the ratchet bandage strainer according to any one of claim 1 ~ 4, it is characterised in that the fastening rib described in two （222）Flange is pulled installed in two（112）Between, described hook tooth（72）Installed in fastening rib（222）It is convex with pulling Edge（112）Between.