CN207107370U - Anti-loosing strapping device - Google Patents

Abstract

A kind of anti-loosing strapping device, it can be made buckle overcome the active force of locking torsion spring, be realized buckle to the dropout of the monodirectional locking and buckle of ratchet to ratchet with operation handle rotation clutch cam, clutch cam.Anti-loosing strapping device of the present utility model, when in use, clutch cam can be turned to by rotating operation hand handle the position of buckle disengaging ratchet, bandage can be pulled out arbitrarily in the presence of external force, loosing one's grip can automatic tightening, then clutch cam is turned to the position of buckle locking ratchet, because the locking to this ratchet is monodirectional locking, bandage, which can only be tightened up, to be pulled out.Therefore, the utility model is a kind of convenient anti-loosing strapping device of manipulation.

Description

Anti-loosing strapping device

Technical field

A kind of anti-loosing strapping device is the utility model is related to, goods is tied up and fixed suitable for carrier.

Background technology

Existing strapping is after strapping goods, in transit it is possible that article stress causes article deforming and occurred The situation of loosening.Utility model patent number 012392766 discloses a kind of anti-loosing strapping device, and it includes bandage, bandage One end is wound in a rotary shaft, and rotary shaft is fixed on support, and there is tractor one end of rotary shaft, and spine is serially connected with rotary shaft Wheel, clutch and spring, are to be fixedly connected wherein between ratchet and rotary shaft, clutch can rotate on the rotating shaft, and spring makes Clutch abuts ratchet, and ratchet is provided with support, there is torsion spring between ratchet and support, has projection and ratchet spacing recessed on clutch Groove ....Said apparatus spring makes clutch abut ratchet, i.e., using the frictional force between ratchet and clutch, by pawl wheel Clutch is driven to rotate, corresponding to the groove location on clutch, locking of the ratchet to ratchet, reaching that bandage can only tighten up can not The purpose of pull-out.Due in structure, this anti-loosing strapping device is during fixed operation, if desired for entering repeatedly The loose and tight operation of row, there is manipulate the defects of inconvenient.

Utility model content

The purpose of this utility model proposes that a kind of manipulation is convenient aiming at technical problem present in above-mentioned existing structure Anti-loosing strapping device.

The technical solution of the utility model is：A kind of anti-loosing strapping device, it includes support and bandage, one end of bandage There is lock, the other end of bandage is wound in a rotary shaft, and above-mentioned rotary shaft is fixed on support, and branch is stretched out in one end of rotary shaft Frame, there is end cap outside the support at rotary shaft stretching, connected in end cap with rotation between centers and tighten up torsion spring, gone here and there in above-mentioned rotary shaft Ratchet, clutch cam and spring are connected to, is to be fixedly connected wherein between ratchet and rotary shaft, clutch cam can turn on the rotating shaft It is dynamic, it is characterised in that above-mentioned spring is between ratchet and clutch cam, and clutch cam is close to support under the action of the spring, from Closing on cam has manipulator's handle, buckle is provided with support, buckle can rotate on support, between above-mentioned buckle and support Connection locking torsion spring, the active force for locking torsion spring turns to buckle the position of monodirectional locking ratchet, with operation handle rotation from Cam is closed, in the scope of activities of clutch cam, clutch cam can make buckle overcome the active force of locking torsion spring, realize buckle pair Dropout of the monodirectional locking and buckle of ratchet to ratchet.

Anti-loosing strapping device of the present utility model, when in use, clutch cam can be rotated by rotating operation hand handle Depart from the position of ratchet to buckle, bandage can pull out arbitrarily in the presence of external force, loose one's grip can automatic tightening, then clutch Cam rotation is to the position of buckle monodirectional locking ratchet, and because the locking to this ratchet is monodirectional locking, bandage can only be tightened up It can not pull out.Therefore, the utility model is a kind of convenient anti-loosing strapping device of manipulation.

Brief description of the drawings

Fig. 1 is the structural representation of anti-loosing strapping device of the present utility model.

Fig. 2 is Fig. 1 right view.

Embodiment

By embodiment, the utility model is described in further detail below in conjunction with the accompanying drawings：

As depicted in figs. 1 and 2, a kind of anti-loosing strapping device, it includes support 3 and bandage 2, and there is lock one end of bandage 2 Button 1, the other end of bandage 2 is wound in a rotary shaft 12, and above-mentioned rotary shaft 12 is fixed on support 3, one end of rotary shaft 12 Support 3 is stretched out, has end cap 10 outside the support 3 at the stretching of rotary shaft 12, torsion is tightened up in connection between rotary shaft 12 in end cap 10 Spring 11, ratchet 6, clutch cam 4 and spring 5 are serially connected with above-mentioned rotary shaft 12, is fixed wherein between ratchet 6 and rotary shaft 12 Connection, clutch cam 4 can rotate in rotary shaft 12, it is characterised in that above-mentioned spring 5 be between ratchet 6 and clutch cam 4, Clutch cam 4 is close to support 3 in the presence of spring 5, has manipulator on clutch cam 47, buckle is provided with support 3 8, buckle 8 can rotate on support 3, connection locking torsion spring 9 between above-mentioned buckle 8 and support 3, lock the active force of torsion spring 9 Buckle 8 is turned to the position of monodirectional locking ratchet 6, clutch cam 4 is rotated 7 with manipulator, in the movable model of clutch cam 4 In enclosing, clutch cam 4 can make buckle 8 overcome the active force of locking torsion spring 9, realize monodirectional locking and buckle of the buckle 8 to ratchet 6 The dropout of 8 pairs of ratchets 6.

Claims (1)

1. a kind of anti-loosing strapping device, it includes support（3）And bandage（2）, bandage（2）One end have lock（1）, bandage （2）The other end be wound on a rotary shaft（12）On, above-mentioned rotary shaft（12）It is fixed on support（3）On, rotary shaft（12）One Support is stretched out at end（3）, in rotary shaft（12）Support at stretching（3）There is end cap outside（10）, in end cap（10）Interior and rotary shaft （12）Between connection tighten up torsion spring（11）, above-mentioned rotary shaft（12）On be serially connected with ratchet（6）, clutch cam（4）And spring（5）, its Middle ratchet（6）And rotary shaft（12）Between be to be fixedly connected, clutch cam（4）Can be in rotary shaft（12）Upper rotation, its feature exist In above-mentioned spring（5）It is in ratchet（6）And clutch cam（4）Between, clutch cam（4）In spring（5）In the presence of be close to prop up Frame（3）, clutch cam（4）On have manipulator's handle（7）, in support（3）It is upper to be provided with buckle（8）, buckle（8）Can be in support （3）Upper rotation, above-mentioned buckle（8）And support（3）Between connection locking torsion spring（9）, lock torsion spring（9）Active force by buckle （8）Turn to monodirectional locking ratchet（6）Position, with manipulator's handle（7）Rotate clutch cam（4）, in clutch cam（4）Work In dynamic scope, clutch cam（4）Buckle can be made（8）Overcome locking torsion spring（9）Active force, realize buckle（8）To ratchet（6）'s Monodirectional locking and buckle（8）To ratchet（6）Dropout.