CN1148307C

CN1148307C - Stretching machine with secondary release

Info

Publication number: CN1148307C
Application number: CNB011426853A
Authority: CN
Inventors: 陈伟国
Original assignee: Ningbo Xuli Metal Products Co Ltd
Current assignee: Ningbo Xuli Metal Products Co Ltd
Priority date: 2001-12-17
Filing date: 2001-12-17
Publication date: 2004-05-05
Anticipated expiration: 2021-12-17
Also published as: CN1355121A

Abstract

The present invention relates to a stretching machine with secondary release, which is used for tightly stretching and binding bandages. The present invention is especially suitable for transport vehicles to tightly bind goods which are loaded in the transport vehicles in order to not lose the goods and to ensure the safety when the transport vehicles are run. The present invention not only can bind the goods, but also can tightly lock the goods; the present invention can prevent accidents that the goods are suddenly overturned when the goods are untied in release operation from occurring; large baffle plates provided with springs are connected to the upper part of a handle shaft and the upper part of a handle of an abnormity shaft, and a plastic handle is fixedly connected to the handle shaft; small baffle plates provided with springs are connected to the upper part of a machine shell which is fixedly connected with a nut and a screw bolt; the present invention is formed by connecting with a semicircle shaft and a pin into a whole, and the semicircle shaft is provided with a ratchet and a cushion ring; a slow release device which is formed by a release groove and is matched with the large baffle plates is additionally arranged on the machine shell. Because of the secondary release, tension on the bandages is released gradually and slowly, the accidents that the goods are suddenly overturned are prevented from occurring, the use safety is greatly improved, and the present invention can be used as an upgrade product of the stretching machine.

Description

Stretching machine with secondary release

Technical field

The present invention relates to a kind of hand-operated binding instrument, be used for the tension and the colligation of bandage, when being specially adapted to the transport vehicle shipping goods, for making the lade binding firm, do not lose, guarantee traffic safety, but can bundle and the fixing and locking goods, and can prevent to lighten restrictions in the releasing operation time, employed stretching machine with secondary release takes place in the unexpected overthrow accident of goods.

Background technology

The patent No. 92101486.4 " tension of bandage and binding device ", the patent No. 91102791.2 " bandage is with straining ratchet means ", though a kind of tension binding device also is provided, but its complex structure has two stop baffle plates, and volume is big, Heavy Weight, and use trouble, effort, and only have the function of tension machine.

The patent No. 98232081.7 " with the shipping goods bundling belt tension machine of 3 safety locks ", though have only a stop baffle plate, but increased a lockout mechanism, bother so use, and the function of tension machine is only arranged.

Summary of the invention

Technical matters to be solved by this invention is: a kind of stretching machine with secondary release is provided, except that the function with tension machine, also has slow release gear, this structure can guarantee unloading safety, and is safe in utilization, convenient, reliable.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: stretching machine with secondary release is moulded on the handle of the Handle axis of handle and special-shaped axis by being fixedly connected with band, be connected with the big baffle plate of band spring, with captive joint the band nut, on the casing of bolt, the small front apron of connecting band spring, by the band ratchet, the two-semiaxle of packing ring and pin connect into whole formation, it is characterized in that also having the delayed release device that constitutes by the release groove that cooperates with big baffle plate on the described casing, the head of described handle openings end is provided with the cam that cooperates with small front apron, described casing one end opening, last locking groove is arranged on the head edge of open end, also have locking groove with last locking groove corresponding section.

Described release groove is the arc chute that has on the casing head edge, and its circular arc is consistent with ratchet circular arc direction and shape is complementary or shape is different, and circular arc length is 1-3 times of ratchet tooth length.

Compared with prior art, the invention has the advantages that: because of the head at casing has increased a chute of being with arc as release groove, constitute delayed release device, carry out twice release with it.Can make big baffle plate waggle in this release groove, ratchet can loosen by a tooth one tooth, and then bandage also discharges the length of a tooth pitch thereupon, a little loosens, and bandage is slowly discharged, and has only the big baffle plate of working as to be fixed in the locking groove, ratchet just is in complete release position, and goods just can be lightened restrictions on.Adopt twice release, progressively discharge the tension force of bandage, just can prevent that goods from lightening restrictions on suddenly, tilt, tumble, collapse and hurting sb.'s feelings of causing, decrease, ruin the accident of goods suddenly, and this simple in structure, easy manufacturing, processing, need not increase any part, simple to operation, improved its safety in utilization greatly, be the product that the tension machine updates.

Description of drawings

Fig. 1. structural representation of the present invention.

Fig. 2. the A-A view of Fig. 1.

Fig. 3. dispose procedure scheme drawing a, b, c, d, e.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Handle 12 is that Handle axis 14, one ends that an end captive joint band is moulded handle 13 are the frame shape of opening, also has the large through-hole of symmetry on the two side, rectangle chute and square hole, and the head of the two side of open end is a cam 19.

Casing 3 is the bolt 18 that an end is connected with nut 17, one end is an opening, the bending of band through hole is arranged on the central floor panel, the large through-hole and the chute that also have symmetry on the two side, the periphery of open end is the circular arc that is complementary with handle 12 open ends, last locking groove 1 is arranged on the head edge of open end, and adjacent also has a release groove 2, also has locking groove 7 with last locking groove 1 corresponding section.

The arc chute of release groove 2 for having on casing 3 head edges, its circular arc is consistent with ratchet 4 circular arc directions and shape is complementary or shape is different, and circular arc length is 1-3 times of ratchet 4 tine length.

Be socketed with the big baffle plate 11 of spring 9 and be connected, and be connected, cooperate with chute on the handle 12 with special-shaped axis 10 on being fixed on handle 12.Being socketed with the small front apron 6 of spring 8 is connected, cooperates with chute on the casing 3.After again two-semiaxle 5 being passed the two side of casing 3 respectively, bilamellar ratchet 4 is installed, pad 15, and pass through hole on handle 12 two sides, connect into and can constitute stretching machine with secondary release with pin 16 around the integral body that two-semiaxle 5 rotates.

During use,, make and be fixed on the bolt 18 earlier with independent a bit of bundling belt, end is made fixing double hook in addition, one end of long band has been made in advance and has been fixed double hook, and the free end that the double hook at two ends hooks automobile both sides, long belt is earlier walked around goods, penetrates the gap of 5 of tension machine two-semiaxles.After adjusting the length of belt, shake handle 12, by big baffle plate 11, small front apron 6 is pulled ratchet 4 and is rotated, and makes belt twine tighter and tighter, plays the effect of firmly tying goods, at last big baffle plate 11 is locked in down in the locking groove 7, as shown in Figure 2.

If will unload, need to lighten restrictions on to goods earlier, at this moment cocked handle 12 is pulled out big baffle plate 11 from following locking groove 7, and turning handle 12, earlier big baffle plate 11 is positioned in the release groove 2, and this moment, small front apron 6 still was stuck on the ratchet 4, and ratchet 4 can not rotate, shown in Fig. 3 a.Driving handle 12, big baffle plate 11 acts on lower edge arc chute release grooves 2 to lower slider at spring 9, this moment, the cam 19 of handle 12 heads contacted small front aprons 6, and progressively with small front apron 6 to pusher, as Fig. 3 b, continue driving handle 12, make big baffle plate 11 to lower slider, bottom to release groove 2, handle 12 head cams 19 are released ratchet 4 fully with small front apron 6, ratchet 4 is under the effect of bandage pulling force, with two-semiaxle 5 rotations, originally a tooth 20 that is blocked by small front apron 6 was walked around small front apron 6 as Fig. 3 c, simultaneously because ratchet 4 rotations, a tooth 22 that is positioned at big baffle plate 11 the place aheads contacts with big baffle plate 11, and promote big baffle plate 11, big baffle plate 11 is upwards slided along release groove 2, withstood up to trough rim, ratchet 4 is crossed big baffle plate 11 and is rotated further, the small front apron 6 that is rebounded up to small front apron 6 tops one tooth 21 blocks, and this moment, ratchet 4 no longer rotated, and bandage has successfully been loosened length such as Fig. 3 d of a tooth pitch, aforesaid operations repeatedly, ratchet 4 one tooth tooth clockwise directions rotate backward, and bandage is also slowly loosened, if big baffle plate 11 insertions are gone up in the locking groove 1, the cam 19 of handle 12 heads ejects small front apron 6 fully, belt loosens fully, the pulling bandage, and ratchet 4 rotates with two-semiaxle 5, thereby bandage is deviate from from two-semiaxle 5, and goods is lightened restrictions on shown in Fig. 3 e.

Claims

1. stretching machine with secondary release, mould on the handle (12) of the Handle axis (14) of handle (13) and special-shaped axis (10) by being fixedly connected with band, be connected with the big baffle plate (11) of band spring (9), with captive joint band nut (17), on the casing of bolt (18), the small front apron (6) of connecting band spring (8), by band ratchet (4), the two-semiaxle (5) of packing ring (15) and pin (16) connect into whole formation, it is characterized in that: described casing (3) is gone up also has the delayed release device that is made of the release groove (2) that cooperates with big baffle plate (11), the head of described handle (12) open end is provided with the cam (19) that cooperates with small front apron (6), described casing (3) one end openings, last locking groove (1) is arranged on the head edge of open end, also have locking groove (7) with last locking groove (1) corresponding section.

2. tension machine according to claim 1, it is characterized in that: the arc chute of described release groove (2) for having on casing (3) head edge, its circular arc is consistent with ratchet (4) circular arc direction and shape is complementary or shape is different, and circular arc length is 1-3 times of ratchet (4) tine length.