CN216508155U - Built-in folding pull ladder for vehicle - Google Patents
Built-in folding pull ladder for vehicle Download PDFInfo
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- CN216508155U CN216508155U CN202122958227.5U CN202122958227U CN216508155U CN 216508155 U CN216508155 U CN 216508155U CN 202122958227 U CN202122958227 U CN 202122958227U CN 216508155 U CN216508155 U CN 216508155U
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- extension ladder
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Abstract
A vehicle-used built-in folding drawing ladder comprises a slide way frame, wherein longitudinal sliding grooves are formed in two sides of the slide way frame, a limiting cross beam is arranged at the front ends of the longitudinal sliding grooves, a rolling platform is arranged in the longitudinal sliding grooves, supporting frame plates are arranged on two sides of the rolling platform and are hollow, bearing holes are formed in the lower end faces of the supporting frame plates, rolling bearings are arranged in the bearing holes, rolling shafts are arranged in the rolling bearings and penetrate through inner rings of the rolling bearings to be connected with the supporting frame plates, the rolling platform slides along the longitudinal sliding grooves through the rolling bearings, a drawing ladder body is rotatably connected to the tail ends of the rolling platform, pedals are arranged on the drawing ladder body, the technical problems that the traditional hanging ladder and the traditional pull ladder have poor safety, poor stability, unsmooth pulling and space occupation due to the defects of the structure and the using method of the traditional hanging ladder and the traditional pull ladder are solved, and the novel hanging ladder and the pull ladder can be widely applied to the technical field of vehicles.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a built-in folding extension ladder for a vehicle.
Background
The door of traditional van-type ambulance and van-type medical vehicle is higher from the ground, generally utilizes the rear protection and the side protection device of vehicle as the ladder of upper and lower carriage, perhaps sets up ordinary ladder of hanging, and it is extremely inconvenient that personnel get on or off the bus in the use, and the security is poor, and the time waste influences pleasing to the eye moreover, occupation space. Although some vehicles are provided with the drawing ladder, some drawing ladders have simpler structures, are easy to clamp, are inconvenient to use and waste time, and have poorer stability.
Therefore, the traditional hanging ladder and the traditional drawing ladder have the defects of poor safety, poor stability, unsmooth drawing and space occupation due to the structure and the using method of the traditional hanging ladder and the drawing ladder.
Disclosure of Invention
The application aims to provide an automotive concealed folding drawing ladder, and aims to solve the technical problems of poor safety, poor stability, unsmooth drawing and space occupation caused by the defects of the structure and the using method of the traditional hanging ladder and drawing ladder.
The embodiment of the application provides an automobile-used interior concealed folding extension ladder, it includes the slide frame, the both sides of slide frame are equipped with vertical spout, the front end of vertical spout is equipped with limiting beam, be equipped with the roll platform in the vertical spout, the both sides of roll platform are equipped with the support frame board, the support frame board is hollow form, the lower terminal surface of support frame board is equipped with the dead eye, be equipped with antifriction bearing in the dead eye, be equipped with the roll axis in the antifriction bearing, the roll axis passes antifriction bearing's inner circle with the support frame board is connected, the roll platform passes through antifriction bearing follows vertical spout slides, the trailing end rotation of roll platform is connected with the extension ladder body, be equipped with the footboard on the extension ladder body.
In one embodiment, the slideway frame further comprises a nylon sliding plate, and the nylon sliding plate is arranged on the inner side of the longitudinal sliding groove.
In one embodiment, the slide frame further comprises a rubber cushion rod and a rubber pad, the rubber cushion rod is arranged on two sides of the inner portion of the limiting cross beam, and the rubber pad is connected with the limiting cross beam through the rubber cushion rod.
In one embodiment, the slideway frame further comprises a support beam, and the top end of the longitudinal sliding chute is provided with the support beam at intervals.
In one embodiment, the hollow part of the support frame plate is provided with a frame beam at the front end and a top pedal at the tail end.
In one embodiment, the outer ring of the rolling bearing is lower than the lower end face of the support frame plate and penetrates out of the bearing hole.
In one embodiment, the rolling platform further comprises a first limiting spring bolt, and the support frame plate is provided with the first limiting spring bolt; bolt rod moving long holes are formed in two sides of the longitudinal sliding groove, and the first limiting spring bolt moves in the bolt rod moving long holes.
In one embodiment, the ladder body comprises a ladder frame, and a plurality of pedals are arranged on the ladder frame at intervals; the pull ladder body further comprises a rotating pin shaft, the front end of the ladder frame is provided with the rotating pin shaft, and the ladder frame is hinged with the support frame plate through the rotating pin shaft.
In one embodiment, the drawing ladder body further comprises a second limiting spring bolt, and the tail end of the ladder frame is provided with the second limiting spring bolt; and a spring bolt hole is formed in the slideway frame, and the second limiting spring bolt is matched with the spring bolt hole.
In one embodiment, the ladder body further comprises a tail handle, and the tail handle is arranged on the outer side of the pedal at the tail end of the ladder body.
The utility model provides a vehicle built-in folding drawing ladder, which realizes the relative rotation of a drawing ladder body and a rolling platform by arranging a rotating pin shaft between a ladder frame and a support frame plate; the longitudinal movement positioning of the rolling platform is realized by arranging bolt rod moving long holes on two sides of the longitudinal sliding groove and arranging a first limiting spring bolt on the support frame plate, so that the first limiting spring bolt slides back and forth on the bolt rod moving long holes; the limit of the rolling platform is realized by arranging that the height of the tail end of the bolt rod moving long hole is lower than that of the front end; through set up the spring bolt hole on the slide frame, set up the spacing spring bolt of second at the tail end of ladder frame for the spacing spring bolt of second inserts the spring bolt hole, realizes the locking to the pull ladder body.
Drawings
Fig. 1 is a schematic structural view of an interior folding extension ladder for a vehicle according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a slide way frame of the concealed folding extension ladder for a vehicle shown in FIG. 1;
FIG. 3 is a schematic structural view of a rolling platform in the concealed foldable extension ladder for a vehicle shown in FIG. 1;
fig. 4 is a schematic structural view of a pull ladder body of the concealed folding pull ladder for vehicles shown in fig. 1;
FIG. 5 is a schematic view of the hidden foldable extension ladder shown in FIG. 1 after being retracted;
fig. 6 is a schematic structural view of the concealed folding extension ladder for vehicle shown in fig. 1 fixed on a vehicle chassis.
The symbols in the drawings illustrate that:
1. a longitudinal chute; 101. the bolt rod moves the long hole; 102. a spring bolt hole; 103. a support beam; 2. a limiting cross beam; 3. a rubber cushion rod; 4. a rubber pad; 5. a nylon slide plate; 6. a ladder frame; 7. a second limiting spring bolt; 8. a tail handle; 9. a pedal; 10. rotating the pin shaft; 11. supporting the frame plate; 12. a top pedal; 13. a rolling bearing; 14. a roll axis; 15. a first limit spring bolt; 16. a frame beam; 17. an automotive chassis rail; 18. a cross member of an automobile chassis.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "first", "second", "upper", "lower", "front", "rear", "inner", "outer", "top", "tail" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1, a schematic structural diagram of an interior folding extension ladder for a vehicle according to an embodiment of the present application is shown, and for convenience of description, only the portions related to the embodiment are shown, which is detailed as follows:
in one embodiment, the vehicle-mounted concealed folding extension ladder is arranged on a vehicle chassis and comprises a slideway frame, a rolling platform and an extension ladder body, wherein the slideway frame is arranged on the inner sides of two main beams of the vehicle chassis, the front end of the slideway frame is fixedly connected with the two main beams of the vehicle chassis, the rolling platform is arranged in the slideway frame, and the tail end of the rolling platform is hinged with the extension ladder body.
Specifically, the both sides of slide frame are equipped with vertical spout 1, and the front end of vertical spout 1 is equipped with limiting beam 2, is equipped with the roll platform in the vertical spout 1, and the roll platform slides along vertical spout 1, and limiting beam 2 carries on spacingly to the front end of roll platform, and the tail end of roll platform rotates and is connected with the pull ladder body, is equipped with footboard 9 on the pull ladder body, and the up end of pull ladder body is slightly less than the up end of slide frame, and roll platform and pull ladder body can be retrieved in the slide frame.
Fig. 2 is a schematic structural view of a chute frame of the concealed foldable extension ladder shown in fig. 1, and for convenience of description, only the parts related to the embodiment are shown, and the details are as follows:
in one embodiment, the slide frame further comprises a nylon sliding plate 5, the nylon sliding plate 5 is arranged on the inner side of the longitudinal sliding groove 1, the nylon sliding plate 5 is fixedly connected with the lower end face of the longitudinal sliding groove 1 to support the longitudinal movement of the rolling platform in the longitudinal sliding groove 1, rubber cushion rods 3 are arranged on two sides of the inner portion of the limiting cross beam 2, and rubber cushions 4 are connected with the limiting cross beam 2 through the rubber cushion rods 3 and play a role in buffering when the rolling platform slides to the position of the limiting cross beam 2.
Please refer to fig. 3, which is a schematic structural diagram of a rolling platform in the concealed foldable extension ladder for a vehicle shown in fig. 1, wherein for convenience of description, only the parts related to the embodiment are shown, and the details are as follows:
in one embodiment, the two sides of the rolling platform are respectively provided with a support frame plate 11, the support frame plate 11 is hollow, the front end of the hollow part of the support frame plate 11 is provided with a frame beam 16, the tail end of the hollow part is provided with a top pedal 12, the rolling platform further comprises a rolling bearing 13 and a rolling shaft 14, the lower end surface of the support frame plate 11 is provided with a bearing hole, the bearing hole is internally provided with the rolling bearing 13, the rolling shaft 14 penetrates through the inner ring of the rolling bearing 13 to be connected with the support frame plate 11, the outer ring of the rolling bearing 13 is lower than the lower end surface of the support frame plate 11 and penetrates out of the bearing hole, so that the outer ring of the rolling bearing 13 is exposed, meanwhile, the rolling bearing 13 can rotate under the action of external force, and the rolling platform can longitudinally move in the longitudinal sliding groove 1 of the sliding track frame through the rolling bearing 13.
The rolling platform further comprises a first limiting spring bolt 15, the first limiting spring bolt 15 is arranged on the support frame plate 11, the two sides of the longitudinal sliding groove 1 are respectively provided with a bolt rod to move the long hole 101, the first limiting spring bolt 15 slides back and forth on the bolt rod to move the long hole 101, longitudinal movement of the rolling platform is achieved, the tail end of the bolt rod to move the long hole 101 is lower than the front end of the bolt rod, and the rolling platform is limited.
Please refer to fig. 4, which is a schematic structural diagram of a main body of the hidden foldable extension ladder shown in fig. 1, wherein for convenience of description, only the parts related to the embodiment are shown, and the details are as follows:
in one of them embodiment, the pull ladder body includes ladder frame 6, and the interval is provided with a plurality of footboard 9 on the ladder frame 6, footboard 9 and ladder frame 6 fixed connection, and the pull ladder body still includes and rotates round pin axle 10, and the front end both sides of ladder frame 6 are equipped with respectively and rotate round pin axle 10, and ladder frame 6 is articulated mutually through rotating round pin axle 10 and the support frame plate 11 of rolling platform both sides, realizes the relative rotation of pull ladder body and rolling platform.
The pull ladder body further comprises a second limiting spring bolt 7, the tail end of the ladder frame 6 is respectively provided with the second limiting spring bolt 7, the slide way frame is provided with spring bolt holes 102, the second limiting spring bolt 7 is matched with the spring bolt holes 102, when the pull ladder body is recovered to be parallel and level with the slide way frame, the second limiting spring bolt 7 is inserted into the spring bolt holes 102 in the slide way frame, and the locking of the pull ladder body is achieved.
In one embodiment, the pull ladder body further comprises a tail handle 8, the tail handle 8 is arranged on the outer side of the pedal at the tail end of the pull ladder body, and the tail handle 8 is fixedly connected with the pedal 9 to realize pulling of the pull ladder mechanism.
Please refer to fig. 5, which is a schematic structural diagram of the vehicle hidden folding and pulling ladder shown in fig. 1 after being recovered, for convenience of description, only the parts related to the embodiment are shown, and the details are as follows:
in one embodiment, when the folding ladder is folded, the tail handle 8 lifts the drawing ladder body to keep the drawing ladder body and the rolling platform at the same horizontal plane, the tail handle 8 is manually pushed to drive the drawing ladder body and the rolling platform to enter the slideway frame until the rolling platform slides to a specified position, and the drawing ladder body stops moving at the moment to realize the recovery of the drawing ladder.
Referring to fig. 6, a schematic structural view of the concealed folding extension ladder for vehicle shown in fig. 1 fixed on a vehicle chassis is shown, and the working principle of the concealed folding extension ladder for vehicle is described as follows with reference to fig. 1-6:
the utility model is installed at the vehicle chassis position of the automobile, fixedly connected with the automobile chassis longitudinal beam 17 and the automobile chassis cross beam 18, when in use, the second limiting spring bolts 7 at both sides of the ladder frame 6 are pulled out, the tail handle 8 is pulled manually, the rolling bearings 13 at the front end of the rolling platform slide on the nylon slide plate 5, and the first limiting spring bolts 15 on the support frame plates 11 at both sides of the rolling platform slide on the bolt rod moving long holes 101 at the same time until the first limiting spring bolts 15 slide to the tail ends of the bolt rod moving long holes 101 and are locked, so as to realize the limiting of the tail end of the rolling platform, and at the moment, the rolling platform finishes drawing, the drawing ladder body stops drawing, and the drawing ladder body is rotated downwards and the tail end of the drawing ladder body is placed on the ground and fixed, thus the utility model can be used; after finishing using, lift up the extension ladder body through afterbody handle 8 and make it keep at same horizontal plane with the roll platform, manually promote afterbody handle 8 and drive extension ladder body and roll platform and get into in the slide frame, the antifriction bearing 13 of roll platform front end slides in nylon slide 5, run into rubber pad 4 until the roll platform, assigned position is retrieved to the extension ladder body, it is spacing to realize the front end of roll platform, the spacing spring bolt 7 of second inserts in the spring bolt hole 102 of 1 both sides of vertical spout, realize the locking of extension ladder body.
According to the utility model, the relative rotation of the drawing ladder body and the rolling platform is realized by arranging the rotating pin shaft 10 between the ladder frame 6 and the support frame plate 11; the longitudinal motion positioning of the rolling platform is realized by arranging the bolt rod moving long holes 101 at two sides of the longitudinal sliding chute 1 and arranging the first limiting spring bolt 15 on the support frame plate 11, so that the first limiting spring bolt 15 slides back and forth on the bolt rod moving long holes 101; the limit of the rolling platform is realized by arranging the bolt rod to move the tail end of the long hole 101 to be lower than the front end; through set up spring bolt hole 102 at the tail end of vertical spout 1, set up the spacing spring bolt 7 of second at the tail end of ladder frame 6, make the spacing spring bolt 7 of second insert spring bolt hole 102, realize the locking to the pull ladder body, it has solved traditional string ladder and pull ladder and has had the defect because of its structure and application method, thereby lead to the security poor, stability is relatively poor, the pull is not smooth, occupation space's technical problem, it is little to have occupation space, the pull is smooth, the operation is swift convenient, the footboard is steady safety, stability is high, advantages such as easy maintenance.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (10)
1. The utility model provides an automobile-used interior concealed folding extension ladder, its characterized in that, it includes the slide frame, the both sides of slide frame are equipped with vertical spout, the front end of vertical spout is equipped with spacing crossbeam, be equipped with the roll platform in the vertical spout, the both sides of roll platform are equipped with the support frame board, the support frame board is hollow form, the lower terminal surface of support frame board is equipped with the dead eye, be equipped with antifriction bearing in the dead eye, be equipped with the roll axis in the antifriction bearing, the roll axis passes antifriction bearing's inner circle with the support frame board is connected, the roll platform passes through antifriction bearing follows vertical spout slides, the trailing end rotation of roll platform is connected with the extension ladder body, be equipped with the footboard on the extension ladder body.
2. The concealed folding extension ladder for vehicles according to claim 1, wherein said slide frame further comprises a nylon slide plate, and said nylon slide plate is disposed inside said longitudinal sliding groove.
3. The concealed folding extension ladder for vehicles according to claim 1, wherein the slide frame further comprises rubber cushion rods and rubber pads, the rubber cushion rods are arranged on two sides of the interior of the limiting cross beam, and the rubber pads are connected with the limiting cross beam through the rubber cushion rods.
4. The concealed folding extension ladder for vehicles according to claim 1, wherein said chute frame further comprises a support beam, and said support beam is spaced from the top end of said longitudinal chute.
5. The concealed folding extension ladder for vehicles as claimed in claim 1, wherein the hollow portion of the support frame plate is provided with a frame beam at the front end and a top step at the rear end.
6. The concealed folding extension ladder for vehicles as claimed in claim 1, wherein the outer ring of said rolling bearing is lower than the lower end surface of said support frame plate and passes through said bearing hole.
7. The concealed folding extension ladder for vehicles according to claim 1, wherein said rolling platform further comprises a first limiting spring bolt, said support frame plate is provided with said first limiting spring bolt; bolt rod moving long holes are formed in two sides of the longitudinal sliding groove, and the first limiting spring bolt moves in the bolt rod moving long holes.
8. The concealed folding extension ladder for vehicles according to claim 1, wherein said extension ladder body comprises a ladder frame, a plurality of said pedals being provided at intervals on said ladder frame; the pull ladder body further comprises a rotating pin shaft, the front end of the ladder frame is provided with the rotating pin shaft, and the ladder frame is hinged with the support frame plate through the rotating pin shaft.
9. The concealed folding extension ladder for vehicles according to claim 8, wherein said extension ladder body further comprises a second limiting spring bolt, said second limiting spring bolt being provided at the tail end of said ladder frame; and a spring bolt hole is formed in the slideway frame, and the second limiting spring bolt is matched with the spring bolt hole.
10. The concealed folding extension ladder for vehicles according to claim 1, wherein said extension ladder body further comprises a tail handle, said tail handle being provided outside said pedal at the tail end of said extension ladder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958227.5U CN216508155U (en) | 2021-11-29 | 2021-11-29 | Built-in folding pull ladder for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958227.5U CN216508155U (en) | 2021-11-29 | 2021-11-29 | Built-in folding pull ladder for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216508155U true CN216508155U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122958227.5U Active CN216508155U (en) | 2021-11-29 | 2021-11-29 | Built-in folding pull ladder for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216508155U (en) |
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2021
- 2021-11-29 CN CN202122958227.5U patent/CN216508155U/en active Active
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