CN2547576Y

CN2547576Y - Foldable telescopic hood

Info

Publication number: CN2547576Y
Application number: CN 02214577
Authority: CN
Inventors: 赵万春
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-30
Filing date: 2002-04-30
Publication date: 2003-04-30
Anticipated expiration: 2012-04-30

Abstract

The utility model relates to a foldable telescopic hood which consists of telescopic mechanisms and hoods covered on the telescopic mechanisms. The utility model is characterized in that the telescopic mechanisms are symmetrically arranged, a support bar is connected between the telescopic mechanisms which consist of connecting rods, guides and hinge components, wherein, the connecting rods are connected through the hinge components, and can slide relative to the guides, and the hinge components are torsion springs. The utility model is of simple structure, flexible operation and reliable performance.

Description

Collapsible flexible hood

Technical field

The utility model belongs to the protective device of vehicle, relates in particular to a kind of hood.

Background technology

At transport field, rainproof, dustproof, the contamination of goods of drawing the lorry of bulk cargo is a problem that is difficult to effectively solve always, especially transports easily suave goods such as sand, cement, very easily pollutes to environment.At present, there have been many cities to expressly provide, forbidden drawing the lorry of bulk cargo to enter the urban district.General method is at tarpaulin of wagon box loam cake, with rope tarpaulin is tethered on the car, and tarpaulin Dutch roll with the wind in the vehicle ' process still causes material spilling easily like this, can not deal with problems effectively.For addressing the above problem, design fixedly hood of a kind of frame-type made from the metal rod connection, but be to use this hood can cause the handling goods inconvenience, can not satisfy actual needs well.On this basis, the patent No. having occurred is 88205761.8 disclosed a kind of movable hoods, it is support that the lower end is had a bearing and be used to be connected each X shaped steel chain that supports and be assembled into supporting component, during installation, the bearing that supports the lower end is inserted in guide rail on the railway carriage side plate, then paulin is loaded onto, promptly become the fixing lorry paulin that to fold as required or to stretch, but the telescopic hood of this structure, the comparatively complicated poor reliability that realizes predetermined function that makes of movement relation because of its structure and each member, and it is bigger to take up room, and in use performance is also unstable.

Summary of the invention

The purpose of this utility model provides the hood of a kind of simple in structure, flexible operation, capable of expansion and contraction and dependable performance.

The utility model is to realize like this, it is made up of telescoping mechanism and the tarpaulin that covers on the telescoping mechanism, telescoping mechanism is symmetrical arranged, connect strut bar between the two, telescoping mechanism is made up of connecting rod, guide rail and articulation piece, wherein connecting rod connects by articulation piece, and connecting rod guide rail slip relatively, and articulation piece is a torque spring.

Connecting rod joins end to end by torque spring successively and is W shape, and the torque spring that is positioned at the bottom is provided with bearing pin, and this bearing pin one end is positioned at the guide groove of guide rail, and can slide relative; Connect the strut bar of telescoping mechanism, its two ends are connected with superposed corresponding torque spring.

Tarpaulin comprises the side tarpaulin of top cloth and symmetry, can be integral structure between top cloth and the side tarpaulin, also can be split-type structural.

In the superposed torque spring bearing pin is set, this bearing pin one end and strut bar are fixed, and the other end and top cloth are fixed; The lower edge of side tarpaulin fixes with the bearing pin that is positioned at the torque spring of bottom.

Connect by integral type spring silk between the torque spring, connecting rod is fixed on the spring silk between torque spring.

Between strut bar and the top cloth arc is set, a pair of through hole is set on this plate, be fixed on frenulum on the top cloth and pass through hole and be connected with strut bar.

The bottom fixed guide support of guide rail.

The connecting rod of telescoping mechanism tail end is crooked shape, and is complementary with the wagon box tail end.

The utility model in use, its telescoping mechanism is under the effect of external force, and strut bar is parallel to be moved, and drives interconnective connecting rod simultaneously and relatively rotates, the resistance that the torque spring of connection connecting rod overcomes spring slides along guide rail, covers on the wagon box thereby make hood open wide; When needs are regained, cancel external force, this moment, the elastic restoring force of torque spring made connecting rod automatically along opposite spin, drove other member counter motion, thereby resetted.This structure has the following advantages: 1. hood is movable, and flexible folding is very dexterous; 2. bounce back automatically, easy and simple to handle; 3. simple in structure, motion is reliable, guarantees in-use performance; 4. member is few, and the processing assembling is easy, and cost is low;

Description of drawings

Fig. 1 is the utility model embodiment 1 integral structure scheme drawing;

Fig. 2 is the structural representation of tarpaulin shown in Figure 1;

Fig. 3 is strut bar shown in Figure 1, connecting rod connection structure scheme drawing;

Fig. 4 is guide rail shown in Figure 1, slide block, connecting rod connection structure scheme drawing;

Fig. 5 is the connection structure scheme drawing of guide rail shown in Figure 1, rail brackets, wagon box;

Fig. 6 is the connection structure scheme drawing of strut bar shown in Figure 1 and tarpaulin.

The specific embodiment

Referring to Fig. 1 and Fig. 5, as having the wagon box automobile, its wagon box comprises side plate, guide rail is installed on the side plate of wagon box, strut bar 3 is across wagon box, connecting rod 6 upper ends are compound hinged by an end of articulation piece 4 small end adjacent with the one side and strut bar 3, connecting rod lower end that connecting rod 6 lower ends are adjacent with its opposite side and articulation piece 5 are compound hinged, the connecting rod head and the tail are connected into W shape in turn, articulation piece 5 can slide along guide rail 7, wagon box side pieces and symmetrical configuration thereof, and 3 two terminations of strut bar connect the corresponding connecting rod in both sides respectively, paulin storehouse 2 is fixedly mounted on the front portion of wagon box, when hood shrinks just in the paulin storehouse 2 on wagon box.

In actual use, when hood is directly installed on the side plate of wagon box, the formed spatial altitude of hood and wagon box may not be met consumers' demand, in this case, rail brackets can be set, be used for strengthening height, concrete scheme can be at the side plate top of wagon box fixed guide support 8, guide rail is installed on the rail brackets 8 then, and other guide is the same.

The structure of tarpaulin 1 as shown in Figure 2, it comprises the paulin curtain 27 of top cloth 26, both sides symmetry, the side tarpaulin 28 of both sides symmetry, the tarpaulin set collar 12 of side tarpaulin 28 tops, following tarpaulin set collar 18, top cloth 27 and side tarpaulin 28 are fastened with frenulum every one section and are connected together, guarantee that frenulum can be evenly distributed on the top cloth, thereby it is stable to make that top cloth is connected with strut bar; Tarpaulin set collar 12 corresponding positions with side paulin 28 tops on top cloth 26 are manufactured with a series of

frenulums

21,29 that connect strut bar 3 of fastening.The position distribution of tarpaulin set collar 12,18 on the tarpaulin 1 and

frenulum

21,29 and tarpaulin set collar 12,18 should make hood when stretching fully, tarpaulin 1 is that uniform spreading is opened lucky sealing and covered wagon box, and the effect of paulin curtain 27 is to block the set collar of tarpaulin 12.

Strut bar 3 is connected as shown in Figure 6 with top cloth 26, among Fig. 6, strut bar 3 by circular rod member 22, arc 23, be welded, on arc 23, the

perforation

24,25 that is symmetrical in circular push rod 18 is arranged every a segment distance, frenulum the 21, the 29th is done in the above during processing tarpaulin 1, frenulum 21, frenulum 29 pass perforation 24 respectively, perforation is fastened after 25 and is connected together, thereby tarpaulin 1 is tied up on the strut bar 3.

Frenulum 21,29 on the top cloth 26 and strut bar 3 are fastened and are connected.The connection mode of tarpaulin and connecting rod is seen Fig. 3 and Fig. 4, and tarpaulin set collar 12 is through on the bearing pin 10, and the tarpaulin set collar is through on the bearing pin 16.Between the connecting rod, connecting rod and strut bar compound hinged as Fig. 3, welding bearing pin 10 on the strut bar 3, socket torque spring 9, tarpaulin set collar 12, back-up ring 11, back-up ring snap ring 13 successively from inside to outside on the bearing pin 10, the end portion of torque spring 9 is fixedly connected on the connecting rod 6.Back-up ring 11 plays the effect to tarpaulin set collar 12 location, and the back-up ring snap ring then is stuck on the bearing pin 10 in the cooresponding with it groove, and torque spring 9, tarpaulin set collar 12 are played fastening effect.

Between the connecting rod, compound articulated manner such as Fig. 4 of connecting rod and articulation piece 5, socket bearing snap ring 19, bearing 14, torque spring 20, tarpaulin set collar 18, back-up ring 15, back-up ring snap ring 17 successively on the bearing pin 16, bearing snap ring 17 plays the effect of fixed type bearing 14, bearing 14 is embedded in the groove of guide rail 7, can roll the same Fig. 3 of other block construction function along groove.

Be tight, effective closure hood, the connecting rod 6 of hood tail end and the shape of strut bar 3 should guarantee when hood is in extended state and the wagon box bound fraction coincide, as shown in Figure 1.

The pulling force that hood is opened wide can be that the people draws back by hand, also can be with an actuating device, as the device of being made up of motor, retarder and assembly pulley.

During actual the use, when the prestress of torque spring made no external force, telescoping mechanism was in the contraction state of maximum, i.e. horizontal throw minimum between the member of each along continuous straight runs parallel motion, and the angle between each connecting rod 6 is about 0 °; When giving backward pulling force of one of hood, articulation piece 5 rolls along guide rail 7 with the bearing on it 14, horizontal-direction pitch increases between each articulation piece 5, elastic torsion rotation and along continuous straight runs that each connecting rod 6 overcomes the torque spring generation of hinged place move, between each connecting rod 6 angle become big, and the wagon box plane between angle diminish, spacing increase and drive strut bar 3 move between the articulation piece 4, tarpaulin 1 stretches with moving of strut bar 3, articulation piece 4 and articulation piece 5, thereby covered wagon box, be locked together in the wagon box rear end with a snap close with the hood end this moment.

Behind opening lock catch, pulling force disappears, and elastic torsion drivening rod 6 rotary foldings of torque spring get up, and opposite in each member manner of execution and the extension process, hood shrinks along former direction, thereby has opened wide wagon box automatically.

Torque spring described in the embodiment and connecting rod can be one, and promptly all torque springs and connecting rod even last root strut bar are to be made by a spring silk, if the insufficient strength of the spring silk of straight line portion can be strengthened with the rod member pressing.

Later-model other parts of this use all are problems that those of ordinary skills utilize prior art very easily to solve as the flexible actuating device of pressing, the hood of being connected of latching system, Peng Cang and wagon box, rod member and spring silk etc., need not to give unnecessary details.

Claims

1. collapsible flexible hood, it is made up of telescoping mechanism and the tarpaulin that covers on the telescoping mechanism, it is characterized in that telescoping mechanism is symmetrical arranged, connect strut bar between the two, telescoping mechanism is made up of connecting rod, guide rail and articulation piece, wherein connecting rod connects by articulation piece, and connecting rod guide rail slip relatively, and articulation piece is a torque spring.

2. collapsible flexible hood according to claim 1 is characterized in that connecting rod joins end to end by torque spring successively and is W shape that the torque spring that is positioned at the bottom is provided with bearing pin, and this bearing pin one end is positioned at the guide groove of guide rail, and can slide relative.

3. collapsible flexible hood according to claim 2 is characterized in that connecting the strut bar of telescoping mechanism, and its two ends are connected with superposed corresponding torque spring.

4. according to claim 1 or 3 described collapsible flexible hoods, it is characterized in that tarpaulin comprises the side tarpaulin of top cloth and symmetry, can be integral structure between top cloth and the side tarpaulin, also can be split-type structural.

5. collapsible flexible hood according to claim 4 is characterized in that in the superposed torque spring bearing pin being set, and this bearing pin one end and strut bar are fixed, and the other end and top cloth are fixed.

6. collapsible flexible hood according to claim 5 is characterized in that between the torque spring connecting by integral type spring silk, and connecting rod is fixed on the spring silk between torque spring.

7. collapsible flexible hood according to claim 6 is characterized in that the lower edge of side tarpaulin and the bearing pin that is positioned at the torque spring of bottom fix.

8. collapsible flexible hood according to claim 7 is characterized in that between strut bar and the top cloth arc being set, and a pair of through hole is set on this plate, is fixed on frenulum on the top cloth and passes through hole and be connected with strut bar.

9. collapsible flexible hood according to claim 8 is characterized in that the bottom fixed guide support of guide rail.

10. collapsible flexible hood according to claim 9, the connecting rod that it is characterized in that the telescoping mechanism tail end is crooked shape, and is complementary with the wagon box tail end.