CN201140691Y

CN201140691Y - Linkage foot pedal structure

Info

Publication number: CN201140691Y
Application number: CNU200820030557XU
Authority: CN
Inventors: 张建明; 崔小锋
Original assignee: Individual
Current assignee: Suzhou Jieda Fire-Protection Vehicle & Equipment Co Ltd
Priority date: 2008-01-07
Filing date: 2008-01-07
Publication date: 2008-10-29
Anticipated expiration: 2018-01-07

Abstract

The utility model relates to an interlocking foot pedal structure, which belongs to the technical field of fire-fighting trucks. The interlocking foot pedal structure comprises a pair of gas spring cylinders, a step plate, a guard board and an interlocking piece, wherein the interlocking piece is provided with two groups, each group of interlocking pieces comprises a pair of a first connecting bar and a second connecting bar which are mutually parallel, wherein the front end of the first connecting bar is hinged with a cylinder pillar of the gas spring cylinder, the cylinder body of the gas spring cylinder is connected on a supporting stand of a wall plate of a rear wheel cavity of a fire-fighting truck, the rear end of the first connecting bar is hinged with the lateral face of the stepping plate, the front end of the second connecting bar is hinged with the wall plate, and the rear end is hinged with the lateral face of the stepping plate, the guard board is corresponding with the bottom side of the stepping plate and is respectively fixed with the stepping plate and the first connecting bar, and the stepping plate is provided with at least one handle. The utility model has the advantages that since the interlocking foot pedal structure adopts two groups of interlocking pieces which mutually form a four-bar structure form, therefore, when in use, the stepping plate can be displayed out of the rear wheel cavity by means of primary action of the handle, and meanwhile, the stepping plate can be led to be in horizontal status, and therefore, one time of time can be saved, and the restoration after using can be finished by primary action.

Description

Linkage wood clapper structure

Technical field

The utility model belongs to the fire-fighting vehicle technical field, is specifically related to a kind of linkage wood clapper structure, is configured on the fire extinguishing tanker and corresponding to the top in trailing wheel chamber, for the fire fighter provides step, is convenient to the fire fighter and picks and places equipment to the equipment railway carriage or compartment.

Background technology

The sidepiece in the equipment railway carriage or compartment that is configured in fire extinguishing tanker in the prior art and corresponding to the linkage wood clapper structure at trailing wheel chamber place by shown in Figure 1, comprise gas spring cylinder 1, riding boogie board 2, backplate 3, STATEMENT OF FEDERALLY SPONSORED 4, spring cylinder 8, the cylinder body of gas spring cylinder 1 is bound up on the wallboard 61 in trailing wheel chamber 6, and a client link of its cylinder post 11 and STATEMENT OF FEDERALLY SPONSORED 4, the other end of STATEMENT OF FEDERALLY SPONSORED 4 is connected with backplate 3, one side and the backplate 3 of riding boogie board 2 are hinged, the two ends of the opposite side of riding boogie board 2 connect with the cylinder post of corresponding spring cylinder 8, and the cylinder body of spring cylinder 8 is bound up on the backplate 3.Whole linkage wood clapper structure after the assembling is corresponding to the top in trailing wheel chamber 6.When the fire fighter need pick and place equipment in the equipment railway carriage or compartment, earlier with hand backplate 3 is outwards pulled exhibition by the fire fighter, then then with hand with riding boogie board 2 generate level under the application force that overcomes spring cylinder 8, so far the fire fighter can stand in just that the envelope 5 to the equipment railway carriage or compartment picks and places equipment on the riding boogie board 2.Finish using, repeat above-mentioned two opposite action, and by pair of locking pins 7 lockings.From said structure as can be known, must finish two actions when enabling, one for pulling exhibition backplate 3, two for flattening riding boogie board 2; During recovery after finishing using, have three actions, two actions are the opposite action when enabling, and the 3rd action then is the action with stop pin 7 lockings.

Because the fire fighter drops into the time of the disaster relief and must seize every minute and second,, certainly will incur loss through delay valuable rescue and relief work opportunity so if consuming time too much for taking equipment.In view of said structure because of the action of enabling early stage and many can the losing time unreasonably of action when restoring, therefore be necessary to be improved.

Summary of the invention

Task of the present utility model is to provide a kind of and can reduces action link and help to save the linkage wood clapper structure of fire fighter's time.

Task of the present utility model is finished like this, a kind of linkage wood clapper structure, it comprises a pair of gas spring cylinder, riding boogie board, backplate, STATEMENT OF FEDERALLY SPONSORED, described STATEMENT OF FEDERALLY SPONSORED has two groups, every group of STATEMENT OF FEDERALLY SPONSORED comprises a pair of first, second connecting rod parallel to each other, wherein: the cylinder of the front end of first connecting rod and gas spring cylinder is column articulated, and the cylinder body of gas spring cylinder is bound up on the support of wallboard in trailing wheel chamber of fire extinguishing tanker, and the rear end of first connecting rod and the side of riding boogie board are hinged; The front end of second connecting rod is hinged on the wallboard, and the side of rear end and riding boogie board is hinged; Described backplate correspondence is fixed with riding boogie board, first connecting rod in the bottom side of riding boogie board and respectively; Constitute at least one handle on the described riding boogie board.

The middle part of the side on the lower side of the rear end of first connecting rod described in the utility model and the side of riding boogie board is hinged, and the square on the upper side front end in the side of the rear end of described second connecting rod and riding boogie board is hinged.

The end that hastens forward of first connecting rod described in the utility model also is equipped with the single-revolution axle, is installed with a limit coil on the axis of revolution, and limit coil and second connecting rod paste and touch.

The utility model is owing to adopted two groups of STATEMENT OF FEDERALLY SPONSORED that constitute the four-bar linkage structure form each other, therefore when using, as long as once action just can be put on display riding boogie board in the trailing wheel chamber by means of shaking hands, and can make riding boogie board be in horizontality simultaneously, compared with the prior art owing to having reduced by a course of action, so can save one times time; The recovery of finishing using is also only finished by once moving.

Description of drawings

Fig. 1 is the linkage wood clapper structure figure in the prior art.

Fig. 2 is an example structure figure of the present utility model.

Fig. 3 is a state of kinematic motion scheme drawing of the present utility model.

Fig. 4 is configured in the scheme drawing at the place, trailing wheel chamber of fire extinguishing tanker for the utility model.

The specific embodiment

See also Fig. 2, provided a pair of wallboard 61 corresponding to the position, both sides in the trailing wheel chamber 6 of fire extinguishing tanker, wallboard 61 is fixed on the support 611, and is self-evident, and the space that support 611 is constituted is the space of the trailing wheel of fire extinguishing tanker.The cylinder body of a pair of gas spring cylinder 1 is bound up on the two ends portion on the upper side of the rear side of support 611 respectively, and the cylinder post 11 of a pair of gas spring cylinder 1 each be that graphic upper end is connected by bearing pin 111 with the front end of the first connecting rod 41 of corresponding one group of STATEMENT OF FEDERALLY SPONSORED 4, it is hinged by the default little axis hole in square on the lower side middle part, the side of little 42 and riding boogie board 2 22 that the rear end of first connecting rod 41 is graphic lower end.In order to prevent between first, second connecting

rod

41,42 just in case the phase mutual interference that occurs, therefore the inclined to one side front end at first connecting rod 41 also is equipped with single-revolution axle 411, and on axis of revolution 411, set firmly limit coil 4111, limit coil 4111 pastes with second connecting rod 42 and touches, and the thickness of limit coil 4111 is essentially the parallel distance between first, second connecting rod 41,42.The front end of second connecting rod 42 is hinged by jointed shaft 421 and wallboard 61, pivotally attached hinge-point and gas spring cylinder 1 are on the same longitudinal axis with the hinge that support 611 is hinged, and the rear end of second connecting rod 42 is hinged by the square on the upper side default hinge of the front end hole 23 in the articulated axle 422 and the side of riding boogie board 2.Backplate 3 correspondences are in the bottom of riding boogie board 2 (with the current icon state), and affixed by corresponding fixed strip 31 and riding boogie board 2, first connecting rod 41 respectively.Between following side outward of riding boogie board 2 running conditions, establish a pair of concrete shape, construct unrestricted handle 21 and also be provided with a pair of lockpin hole 24, this effect to lockpin hole 24 is to go into for stop pin 6111 pins that are configured on the aforesaid support 611, concrete action principle can be in conjunction with Fig. 3, Fig. 4 understands, because stop pin 6111 is provided with spring, and stop pin 6111 is that the end of the winding gate that is commonly referred to rolling screen door 51 on the envelope 5 with the equipment railway carriage or compartment of fire extinguishing tanker is along corresponding, therefore when opening winding gate 51, because the end of winding gate 51, is along the tube bank that has lost stop pin 6111, therefore under action of the spring, make stop pin 6111 speed promptly withdraw from lockpin hole 24, vice versa.

Although the applicant only is described one group of STATEMENT OF FEDERALLY SPONSORED 4, yet, therefore can not cause puzzlement in the understanding in the above, to the public because mounting means, the action principle of two groups of STATEMENT OF FEDERALLY SPONSORED 4 all is identical.

Ask for an interview Fig. 3 and Fig. 4, Fig. 4 has illustrated the situation of the utility model structure at 6 places, trailing wheel chamber of fire extinguishing tanker, and is in readiness for action.And in the time will using, it at first is the winding gate 51 of opening Fig. 4 signal, the stop pin 6111 of Fig. 3 signal is automatically fast to riding boogie board 2 releases, this moment the fire fighter if handle 21 application of forces that finger is buckled into the depression on the riding boogie board 2 with riding boogie board 2 outwards and in conjunction with the power of dragging downwards, until making riding boogie board 2 exhibition trailing wheel chambeies 6 and being the level of state, under this state, the cylinder post 11 of a pair of gas spring cylinder 1 contracts in cylinder body, a pair of first connecting rod 41 and a pair of second connecting rod 42 are downward-sloping state shown in Figure 3, and the fire fighter can climb up riding boogie board 2 and pick and place fire fighting apparatus and materials to the equipment railway carriage or compartment at this moment.After finishing using, as long as the fire fighter is with the opposite sense effect of riding boogie board 2 when previous open, until making riding boogie board 2 be in state shown in Figure 4, a pair of first, second connecting

rod

41,42 shows as the parallelogram state of illustrating with dotted line by among Fig. 3, when closing winding gate 51, just stop pin 6111 can be locked automatically in the lockpin hole 24 on the riding boogie board 2.As from the foregoing, no matter be recovery (position) after place in operation also is to use, the utility model structure all only needs once action, therefore has ultimate attainment effect for the time of saving the fire fighter.

Claims

1, a kind of linkage wood clapper structure, it comprises a pair of gas spring cylinder (1), riding boogie board (2), backplate (3), STATEMENT OF FEDERALLY SPONSORED (4), it is characterized in that described STATEMENT OF FEDERALLY SPONSORED (4) has two groups, every group of STATEMENT OF FEDERALLY SPONSORED (4) comprises a pair of first, second connecting rod parallel to each other (41,42), wherein: the cylinder post (11) of the front end of first connecting rod (41) and gas spring cylinder (1) is hinged, the cylinder body of gas spring cylinder (1) is bound up on the support (611) of wallboard (61) in trailing wheel chamber (6) of fire extinguishing tanker, and the side of the rear end of first connecting rod (41) and riding boogie board (2) is hinged; The front end of second connecting rod (42) is hinged on the wallboard (61), and the side of rear end and riding boogie board (2) is hinged; Described backplate (3) is corresponding to be fixed with riding boogie board (2), first connecting rod (41) in the bottom side of riding boogie board (2) and respectively; Constitute at least one handle (21) on the described riding boogie board (2).

2, linkage wood clapper structure according to claim 1, the middle part of side on the lower side of side that it is characterized in that the rear end of described first connecting rod (41) and riding boogie board (2) is hinged, and the square on the upper side front end in the side of the rear end of described second connecting rod (42) and riding boogie board (2) is hinged.

3, linkage wood clapper structure according to claim 1 and 2, the end that hastens forward that it is characterized in that described first connecting rod (41) also is equipped with single-revolution axle (411), be installed with a limit coil (4111) on the axis of revolution (411), limit coil (4111) pastes with second connecting rod (42) and touches.