CN211724459U

CN211724459U - Pull footboard that fire engine was used

Info

Publication number: CN211724459U
Application number: CN201922050116.7U
Authority: CN
Inventors: 艾建荣; 古旺胜
Original assignee: Guangdong Yongqiang Alb International Fire Fighting Engine Co ltd
Current assignee: Guangdong Yongqiang Alb International Fire Fighting Engine Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-23
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a pull footboard that fire engine was used, including the footboard body that supplies the fire fighter to trample, be used for being fixed in the guide rail of the fire engine railway carriage or compartment body, be used for locking the first locking mechanism and the second locking mechanism of footboard body, install on the guide rail footboard body slidable, only in first locking mechanism and second locking mechanism all open the back, could remove the locking to the footboard body, and pull out at the footboard body and predetermine the length after, first locking mechanism resumes the locking to the footboard body. When being applied to the fire engine, with the guide rail with the carriage fixed can, compare with prior art, pull out through the mode of pull and draw in the footboard body, can be applicable to the less environment in surrounding space, the footboard body of this kind of pull formula is stronger than the bearing capacity of traditional convertible footboard moreover. Through first locking mechanism and second locking mechanism to the footboard body locking, dual guarantee ensures security and reliability in the formation process.

Description

Pull footboard that fire engine was used

Technical Field

The utility model relates to a fire engine technical field, concretely relates to pull footboard that fire engine was used.

Background

To the fire engine, because its chassis is higher, it is comparatively difficult to step on the bus, especially the fire engine under the condition of urgent proruption, the staff need get on or off the bus repeatedly, consequently need set up footboard tools of stepping on the bus to guarantee the security of staff's the process of getting on or off the bus, further, because the automobile body of fire engine is compact, the automobile body outward appearance does not have the space of mountable tools of stepping on the bus, consequently need be equipped with dedicated footboard to the fire engine, can also draw in this footboard simultaneously when need not use the footboard.

The built-in footboard of upset for fire engine among the prior art, the built-in footboard of upset is opened the state and is upturned the folded state down and lock through locking device or bolt, and this kind of footboard only two kinds of states are opened or are folded in completely, consequently leaves the distance of footboard width at least around the fire engine and just can open the footboard. In the real station of urban fire engine, the fire engine often receives the building inter-floor space influence, and the footboard on car both sides is because too big can't open, influences the fire fighter and takes the equipment from the railway carriage or compartment body inside, especially puts the equipment at the eminence.

Disclosure of Invention

There is above-mentioned technical problem to prior art, the utility model provides a pull footboard that fire engine was used suitable for open at the little space.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pull footboard that fire engine was used, including the footboard body that supplies to trample, be used for being fixed in the guide rail of the fire engine railway carriage or compartment body, be used for the locking first locking mechanism and the second locking mechanism of footboard body, install footboard body slidable on the guide rail, only first locking mechanism with second locking mechanism all opens the back, just can remove right the locking of footboard body, and is in after the footboard body pulls out preset length, first locking mechanism resumes right the locking of footboard body.

Specifically, the first locking mechanism comprises a first connecting rod, a rotating block, a second connecting rod and a clamping seat, the clamping seat is arranged at the rear end part and the middle part of the guide rail respectively, the rotating block is rotatably connected to the rear end part of the pedal body, the front end of the first connecting rod extends to the front end part of the pedal body, the rear end part of the first connecting rod is hinged to the rotating block, one end of the second connecting rod is hinged to the rotating block, the other end of the second connecting rod extends towards the clamping seat, and the first connecting rod is operated by the outside to move axially so as to drive the second connecting rod to move axially to clamp the clamping seat or separate from the clamping seat.

Specifically, the first locking mechanism further comprises a return spring, and the return spring exerts a holding force on the first connecting rod, so that the second connecting rod is kept inserted into the clamping seat and clamped.

Specifically, the first locking mechanism further comprises a guide block, the guide block is fixed to the pedal body, and the second connecting rod slidably penetrates through the guide block.

Specifically, second locking mechanism includes bolt, spring and spacing seat, the bolt slidable install in the footboard body, spacing seat is fixed in the guide rail, the spring housing is in outside the bolt, the spring is to the bolt is applyed the orientation the power of spacing seat, so that the bolt keeps blocking spacing seat, under external operation, can stimulate the bolt breaks away from spacing seat.

Specifically, the rear end of the guide rail and the front end of the pedal body are respectively fixed with a nylon base plate, and the nylon base plate is located between the pedal body and the guide rail.

Specifically, the front part of the pedal body is provided with a handle.

Specifically, the footboard body includes skeleton and aluminum plate that are formed by the stainless steel welding, aluminum plate fixes on the skeleton, aluminum plate's top surface is equipped with anti-skidding line.

Specifically, the cross section of the guide rail is U-shaped, the number of the guide rails is two, openings of the two guide rails are oppositely arranged in parallel, and two sides of the pedal body are embedded into the guide rails.

The utility model has the advantages that:

the utility model discloses a pull footboard that fire engine was used is applied to the fire engine, with the guide rail with the carriage fixed can, compare with prior art, pull out through the mode of pull and draw in the footboard body, can be applicable to the less environment in surrounding space, the footboard body of this kind of pull formula is stronger than the bearing capacity of traditional convertible footboard moreover. Through first locking mechanism and second locking mechanism to the footboard body locking, dual guarantee ensures security and reliability in the formation process.

Drawings

Fig. 1 is a schematic structural view of a pull-out step for a fire engine in an embodiment.

Fig. 2 is a schematic structural view of another perspective of the retractable pedal for a fire engine in the embodiment.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in bitmap 2.

Reference numerals:

the pedal comprises a pedal body 1, a handle 11, a framework 12, an aluminum plate 13 and anti-skid grains 131;

a guide rail 2 and a nylon base plate 3;

the first locking mechanism 4, the first connecting rod 41, the rotating block 42, the second connecting rod 43, the clamping seat 44 and the guide block 45;

the second locking mechanism 5, the bolt 51, the spring 52 and the limiting seat 53.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and accompanying drawings.

The pull-out pedal for a fire fighting truck of the present embodiment, as shown in fig. 1 to 4, includes a pedal body 1 for a fire fighter to step on, two guide rails 2 for fixing to a fire fighting truck compartment, a first locking mechanism 4 and a second locking mechanism 5 for locking the pedal body 1, the cross section of the guide rails 2 is U-shaped, the openings of the two guide rails 2 are oppositely arranged in parallel, and both side portions of the pedal body 1 are embedded into the guide rails 2 in a front-back sliding manner. The guide rail 2 is formed by bending and welding 5.0/304 stainless steel plates (the guide rail is wear-resistant and guarantees that the load is not deformed when 250Kg is carried, and 250Kg is approximately equal to the weight of two adults plus the weight of the lifted equipment). The rear end of two guide rails 2 and the front end of footboard body 1 are fixed with nylon backing plate 3 respectively, and nylon backing plate 3 is located between footboard body 1 and guide rail 2, and the effect prevents to jump from top to bottom footboard body 1 to and guarantee that footboard body 1 still keeps the level after being pulled out. The front part of the pedal body 1 is provided with two plastic handles 11, which are convenient for a fireman to pull out or push in the pedal body 1 by hand. The pedal body 1 comprises a framework 12 and an aluminum plate 13, wherein the framework 12 is formed by welding stainless steel, the aluminum plate 13 is laid and fixed on the framework 12, and the top surface of the aluminum plate 13 is provided with anti-skid grains 131.

In this embodiment, the first locking mechanism 4 includes a first link 41, a rotating block 42, two second links 43, a return spring, two guide blocks 45 and four clamping seats 44, wherein two clamping seats 44 are fixed at the rear end portions of two guide rails 2, the other two clamping seats 44 are fixed at the middle portions of two guide rails 2, the rotating block 42 is rotatably connected at the rear end portion of the pedal body 1, the front end of the first link 41 extends to the front end portion of the pedal body 1 and penetrates out from between the two handles 11 through the connecting plate, and the advantage of penetrating out from this position is that a firefighter can press the front end of the first link 41 with a thumb while holding the handles 11. The rear end of the first link 41 is hinged with the rotating block 42 through a forked connection piece, one end of each of the two second links 43 is hinged with the rotating block 42, the other end of each of the two second links 43 slidably passes through the corresponding guide block 45 and then extends towards the clamping seat 44, and the guide block 45 is fixed on the pedal body 1. In a normal state, the return spring applies a forward holding force to the first link 41 to keep the second link 43 inserted into the clamping seat 44, and the return spring may be a compression spring sleeved outside the first link 41 and directly applies a force to the first link 41; the torsion spring may be disposed outside the rotation member 42, and indirectly applies a force to the rotation member 42 to indirectly apply a force to the first link 41. When the first link 41 is pressed by external operation to move axially, the rotating block 42 can be driven to rotate, and then the second link 43 is driven to move axially to separate from the clamping seat 44, and after the first link 41 is released, the second link 43 is restored to be inserted into the clamping seat 44 under the action of the return spring.

In this embodiment, the second locking mechanism 5 includes a bolt 51, a spring 52 and a limiting seat 53, the bolt 51 is slidably mounted on the pedal body 1, the limiting seat 53 is fixed to the guide rail 2, the spring 52 is sleeved outside the bolt 51, and the spring 52 applies a force to the bolt 51 toward the limiting seat 53, so that the bolt 51 is kept clamped on the limiting seat 53, and the bolt 51 can be pulled to separate from the limiting seat 53 under an external operation.

In practical application, be connected (also direct welding) with guide rail 2 through bolt and railway carriage or compartment body bottom, when footboard body 1 needs to be pulled out, manual bolt 51 of extracting, remove the restraint of bolt 51 and spacing seat 53, and press first connecting rod 41, in order to remove the unblock of second connecting rod 43 and cassette 44, can hand handle 11 pull out footboard body 1, after second connecting rod 43 aligns the cassette 44 that is located guide rail 2 middle part, release first connecting rod 41, reset spring promotes first connecting rod 41 and resets, drive second connecting rod 43 and insert the cassette 44 at chucking guide rail 2 middle part, resume the locking to footboard body 1 promptly, the fire fighter can trample the upper and lower fire engine railway carriage body of footboard body 1. The whole length of the pedal body 1 is 550 mm, and half of the pedal body is still in the guide rail 2 after being pulled out, so that the balance effect is achieved, and the front end inside the guide rail 2 is not stressed too much due to the lever principle. The pull footboard of this embodiment draws in footboard body 1 in through the mode pull, can be applicable to the less environment of surrounding space, and the bearing capacity of footboard body 1 of this kind of pull formula is stronger than traditional convertible footboard moreover. The pedal body 1 is locked through the first locking mechanism 4 and the second locking mechanism 5, and safety and reliability in the forming process are guaranteed due to double guarantee.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a pull footboard that fire engine was used which characterized by: the locking device comprises a pedal body, a guide rail, a first locking mechanism and a second locking mechanism, wherein the pedal body is trampled through a supply, the guide rail is used for being fixed on a fire truck carriage body, the first locking mechanism and the second locking mechanism are used for locking the pedal body, the pedal body can be slidably mounted on the guide rail, only after the first locking mechanism and the second locking mechanism are both opened, the locking of the pedal body can be released, and after the pedal body is pulled out by a preset length, the first locking mechanism is recovered to lock the pedal body.

2. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the first locking mechanism comprises a first connecting rod, a rotating block, a second connecting rod and a clamping seat, the clamping seat is arranged at the rear end part and the middle part of the guide rail respectively, the rotating block is rotatably connected to the rear end part of the pedal body, the front end of the first connecting rod extends to the front end part of the pedal body, the rear end part of the first connecting rod is hinged to the rotating block, one end of the second connecting rod is hinged to the rotating block, the other end of the second connecting rod extends towards the clamping seat, the first connecting rod is operated by the outside to move axially, and the second connecting rod can be driven to move axially to clamp the clamping seat or separate from the clamping seat.

3. The pull-out pedal for a fire fighting truck as recited in claim 2, wherein: the first locking mechanism further comprises a return spring which exerts a holding force on the first connecting rod so that the second connecting rod is kept inserted and clamped in the clamping seat.

4. The pull-out pedal for a fire fighting truck as recited in claim 2, wherein: the first locking mechanism further comprises a guide block, the guide block is fixed to the pedal body, and the second connecting rod can penetrate through the guide block in a sliding mode.

5. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the second locking mechanism comprises a bolt, a spring and a limiting seat, the bolt can be slidably installed on the pedal body, the limiting seat is fixed on the guide rail, the spring is sleeved outside the bolt, the spring applies force towards the limiting seat to the bolt, so that the bolt is kept clamped on the limiting seat, and the bolt can be pulled to be separated from the limiting seat under the external operation.

6. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the rear end of the guide rail and the front end of the pedal body are respectively fixed with a nylon base plate, and the nylon base plates are located between the pedal body and the guide rail.

7. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the front part of the pedal body is provided with a handle.

8. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the pedal body comprises a framework and an aluminum plate, wherein the framework is formed by welding stainless steel, the aluminum plate is fixed on the framework, and the top surface of the aluminum plate is provided with anti-skidding lines.

9. The pull-out pedal for a fire fighting truck as recited in claim 1, wherein: the cross section of guide rail is U-shaped, the quantity of guide rail is two, and two guide rail openings are arranged side by side relatively, the both sides embedding of footboard body in the guide rail.