CN216894223U - Extension ladder for vehicle - Google Patents

Abstract

The utility model discloses a vehicular extension ladder, comprising: a mounting frame; the left side and the right side of the mounting rack are both connected with the folding frames, a plurality of pedals are arranged between the two folding frames, the left end and the right end of each pedal are respectively connected with the two folding frames, and the pedals are arranged at intervals up and down; one end of the receiving plate is connected with the side surface of the mounting rack; the mounting, the mounting respectively with the lower extreme of accomodating the board with be located the lower extreme of folding leg is connected, in order to fix the accomodating the board with the relative position of folding leg to be connected with the lower extreme of accomodating the board and the lower extreme that is located the folding leg respectively through the mounting to the relative position of fixed accomodating board and folding leg keeps the fold condition of folding leg promptly, compares in the fixed ladder of tradition, is favorable to reducing the occupation space size of this automobile-used extension ladder.

Description

Extension ladder for vehicle

Technical Field

The utility model relates to the technical field of vehicle facilities, in particular to a vehicular extension ladder.

Background

In recent years, with the improvement of living standard, the concept of touring car is also developed to a certain extent, but at present, the chassis of a partial trailer type touring car or a touring car with a larger volume is higher, the height of a car door from the ground is higher, and a user is inconvenient to get on or off the touring car.

Although some large trucks and caravans are also provided with ladders, most of the ladders are fixedly arranged, occupy large space, still have certain height above the ground, and are inconvenient for users to get on or off the vehicle.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art.

The utility model provides a vehicular telescopic ladder, which comprises a mounting rack; the left end and the right end of the mounting rack are both connected with folding racks, a plurality of pedals are arranged between the two folding racks, the left end and the right end of each pedal are respectively connected with the two folding racks, and the pedals are arranged at intervals up and down; one end of the storage plate is connected with the side surface of the mounting frame; the fixing piece is connected with the lower end of the storage plate and the lower end of the folding frame respectively to fix the relative positions of the storage plate and the folding frame.

The telescopic ladder for the vehicle provided by the embodiment of the utility model at least has the following beneficial effects: the mounting frame is used for being connected with a chassis of a motor home, the left end and the right end of the mounting frame are both provided with folding frames, the upper ends of the folding frames are connected with the mounting frame, a plurality of pedals are arranged between the two folding frames, the left end and the right end of each pedal are respectively connected with the two folding frames, and the lower ends of the folding frames can be abutted against the ground through the extension of the folding frames, so that a bridge connected with the motor home on the ground is constructed, a user can conveniently get on or off the motor home for use, and the problem that the inconvenience of getting on or off the motor home of the user due to the fact that the chassis of the motor home is higher in ground is favorably solved; the vehicle extension ladder also comprises a storage plate, one end of the storage plate is connected with the side surface of the mounting frame, and when the folding frame is unfolded, the storage plate can be hung on the mounting frame, so that the size of the occupied area of the vehicle extension ladder is reduced, and the risk of stumbling users is reduced; when this automobile-used telescopic bracket does not use, can fold the folding leg to be connected with the lower extreme of accomodating the board and the lower extreme of folding leg respectively through the mounting, thereby fixed relative position of accomodating board and folding leg keeps the fold condition of folding leg promptly, compares in the fixed ladder of tradition, is favorable to reducing the occupation space size of this automobile-used telescopic ladder, is favorable to improving the suitability of this automobile-used telescopic ladder to different use scenes.

According to some embodiments of the utility model, the ground frame is arranged at the lower end of the folding frame, the left end and the right end of the ground frame are respectively connected with the two folding frames, and the lower end surface of the ground frame is provided with a first groove which is concave upwards.

The earthing bracket sets up the lower extreme at the folding leg, the left end and the right-hand member of earthing bracket are connected with two folding legs respectively, the earthing bracket be provided with do benefit to the stability that improves this automobile-used expansion bracket and ground are connected, be favorable to increasing the bearing capacity of folding leg, be favorable to avoiding the problem of folding leg atress slope to appear, the lower terminal surface of earthing bracket is provided with the first recess of upwards sunken, the setting of first recess can supply the user to grip, so as to realize the folding of folding leg, be favorable to avoiding the user to need grip the terminal surface of earthing bracket and ground contact and lead to making dirty the problem of hand to appear.

According to some embodiments of the utility model, the grounding frame comprises a first vertical plate, a second vertical plate and a transverse plate, the left end of the transverse plate is connected with the lower end of the first vertical plate, the right end of the transverse plate is connected with the lower end of the second vertical plate, the first vertical plate and the second vertical plate are respectively connected with the two folding frames, and the first groove is formed in the middle of the transverse plate.

Specifically, the left end of diaphragm is connected with the lower extreme of first riser, the right-hand member of diaphragm is connected with the lower extreme of second riser, the earthing bracket is the setting of upwards open U-shaped promptly, the middle part of earthing bracket is the fretwork setting, be favorable to reducing the occupation space size after earthing bracket and the folding leg together are folded, first riser and second riser are connected with two folding legs respectively, thereby make the diaphragm can be connected with ground, and first recess setting is at the middle part of diaphragm, satisfy the user demand that can supply the user to grip.

According to some embodiments of the utility model, the side surface of the second vertical plate is provided with a first through hole, the receiving plate is positioned at the right side of the mounting frame, the lower end of the receiving plate is provided with a second through hole, the fixing member is a bolt, and the bolt can pass through the first through hole and the second through hole.

The side of second riser is provided with first through-hole, and the lower extreme of storage plate is provided with the second through-hole, and the user passes first through-hole and second through-hole with the bolt after, through the butt of bolt with first through-hole and second through-hole to can restrict the condition that the folding frame expanded by oneself under the action of gravity of self, thereby realize the function of the relative position of fixed mounting frame and folding leg, when the folding leg is folding, can effectively reduce this vehicular extension ladder's occupation space size.

According to some embodiments of the utility model, the outer circumferential surface of the plug pin is provided with an annular clamping groove, the clamping groove is arranged corresponding to the first through hole, and the second vertical plate can be abutted against the clamping groove.

Be provided with on the outer peripheral face of bolt and be annular draw-in groove, when the bolt inserted first through-hole and second through-hole, the draw-in groove corresponded the setting with first through-hole, and under the action of gravity of folding leg, the second erects the integrated circuit board and connects to in the draw-in groove for first through-hole and second through-hole dislocation, thereby the function that the bolt was blocked in the realization is favorable to avoiding under the vibration effect, and the problem that first through-hole and second through-hole were deviate from to the bolt appears.

According to some embodiments of the utility model, the first through holes are provided in plurality, the first through holes are arranged at intervals along the length direction of the second riser, the second through holes are provided in plurality, and the second through holes are arranged at intervals along the length direction of the receiving plate.

First through-hole and second through-hole all set up a plurality ofly, and the length direction interval arrangement of second riser is followed to a plurality of first through-holes, and a plurality of second through-holes are arranged along the length direction interval of accomodating the board, through the first through-hole and the second through-hole of selecting different positions to can cooperate the folding leg of different specifications, thereby realize keeping the function of folding leg fold condition.

According to some embodiments of the utility model, the mounting frame comprises two mounting plates which are arranged at intervals left and right, the two mounting plates are respectively and rotatably connected with the upper ends of the two folding frames, the mounting plates are provided with mounting through holes which extend up and down, and the upper ends of the storage plates are rotatably connected with the side surfaces of the mounting plates.

The mounting frame comprises two mounting plates, the two mounting plates are respectively rotatably connected with the upper ends of the two folding frames, so that the use requirement of the folding frames for rotation and extension is met, mounting through holes which extend up and down are formed in the mounting plates, and a user can connect the mounting frame with a chassis of an external caravan through screws, so that the mounting requirement of the mounting frame is met; the upper end of the storage plate is rotatably connected with the side face of the mounting plate, and the use requirement of the storage plate is met.

According to some embodiments of the utility model, the folding rack further comprises a rotating shaft, the mounting rack further comprises two connecting plates, the connecting plates and the mounting plate are in one-to-one correspondence, the lower end of the mounting plate is provided with a second groove which is concave upwards, the front end of the mounting plate is provided with a third through hole which extends leftwards and rightwards, the third through hole is communicated with the second groove, the upper end of the containing plate is provided with a fourth through hole, the upper end of the connecting plate is provided with a fifth through hole, the upper end of the connecting plate is accommodated in the second groove, the lower end of the connecting plate is connected with the folding rack, and the rotating shaft sequentially penetrates through the fourth through hole, the third through hole and the fifth through hole.

The mounting panel still includes two connecting plates, and the lower extreme of mounting panel is provided with the second recess of undercut, and the upper end holding of connecting plate is in the second recess, and the pivot passes fourth through-hole, third through-hole and fifth through-hole in proper order to satisfy the demand of being connected of mounting panel and connecting plate, and the demand of being connected that needs to rotate mounting panel and connecting plate. The lower extreme and the folding leg fixed connection of connecting plate, when the folding leg is flexible, the connecting plate can rotate thereupon, and the extension that mounting panel and folding leg are connected can be regarded as to the connecting plate, is favorable to avoiding the mounting panel to hinder the flexible problem of folding leg to appear.

According to some embodiments of the utility model, the folding leg comprises a plurality of linkages, the linkages comprising two sub-bars arranged crosswise and hinged to each other; in two adjacent connecting rod groups, the lower end of the connecting rod group positioned above is hinged with the upper end of the connecting rod group positioned below; the connecting rod group positioned at the upper end is connected with the mounting frame, the connecting rod group positioned at the lower end is connected with the grounding frame, and the pedal is connected with the sub-rods of the corresponding connecting rod group.

The folding leg includes a plurality of linkage, the linkage includes two cross arrangement and articulated sub-pole of each other, rotation angle through changing two sub-poles, thereby can realize the flexible of linkage, in two adjacent linkages, the lower extreme that is located the linkage of top is articulated with the upper end that is located the linkage of below, thereby can realize the connection between the linkage, thereby realize driving a linkage and rotate, can realize the flexible of whole folding leg, can form the ladder of connecting ground and car as a house when satisfying the folding leg and expanding, satisfy this automobile-used extension ladder's user demand.

According to some embodiments of the utility model, the fixing member is a retaining ring arranged on the side surface of the grounding frame, and the lower end of the receiving plate is rotatably connected with a hook which can be hooked with the retaining ring.

The mounting is for setting up the buckle in the earthing bracket side, and is corresponding, and the lower extreme of accomodating the board rotates and is connected with the couple, and when the lower extreme of accomodating the board and the earthing bracket overlap, the user can articulate the couple on the buckle, can realize being connected of accomodating board and earthing bracket conveniently, through the setting of accomodating the board to interval between fixed mounting frame and the folding leg lower extreme, thereby keep the whole fold condition of folding leg, satisfy this automobile-used expansion bracket's user demand.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a telescopic ladder for a vehicle in an unfolded state according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a telescopic ladder for a vehicle provided in an embodiment of the present invention in a folded state;

fig. 3 is a side view of a telescopic ladder for vehicles shown in fig. 2;

fig. 4 is a schematic perspective view illustrating a mounting bracket of a telescopic ladder for a vehicle according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a connection between a telescopic ladder for a vehicle and a caravan according to an embodiment of the present invention.

In the drawings: 100-a mounting frame; 110-a mounting plate; 111-a second groove; 120-a connecting plate; 200-a folding frame; 210-sub-rods; 300-a pedal; 400-a receiving plate; 410-a second via; 500-a grounding frame; 510-a transverse plate; 511-a first groove; 520-a first riser; 530-a second riser; 531-first via; 600-rotating shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of the terms are not limited to a definite number, and a plurality of the terms are two or more, and are understood to include the number of the terms greater than, smaller than, larger than, and the like. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three juxtapositions, for example, A and/or B represents a solution satisfied by A, a solution satisfied by B, or a solution satisfied by both A and B.

In the description of the present invention, there is a phrase containing a plurality of parallel features, wherein the phrase defines the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An embodiment of the present invention will be described below with reference to fig. 1 to 5.

First embodiment, referring to fig. 1, 2 and 5, an embodiment of the present invention provides a telescopic ladder for a vehicle, including: mounting bracket 100, folding leg 200, receiving plate 400 and fixing member.

Referring to fig. 5, wherein, mounting bracket 100 includes two mounting panels 110 and two connecting plates 120, wherein two mounting panels 110 are about interval arrangement, and the both ends of mounting panel 110 are the front and back extension, and the upper end of mounting panel 110 is provided with the installation through-hole that is extension from top to bottom, and during the installation, mounting panel 110 can be connected with the chassis of car as a house, and the user passes behind the installation through-hole through the screw, can realize being connected of mounting panel 110 and the chassis of car as a house to for this automobile-used extension ladder wholly provides the supporting role.

Referring to fig. 4, the front end of the mounting plate 110 is provided with a second groove 111 which is recessed upwards, the right side surface of the mounting plate 110 is provided with a third through hole which extends left and right, the third through hole is communicated with the second groove 111, the upper end of the connecting plate 120 is provided with a fifth through hole which extends left and right, the upper end of the connecting plate 120 is accommodated in the second groove 111, and the second groove 111 is provided to avoid the problem that the mounting plate 110 interferes with the rotation of the connecting plate 120. This automobile-used extension ladder still includes pivot 600, and pivot 600 passes third through-hole and fifth through-hole from right-hand turning left in proper order to realize mounting panel 110 and connecting plate 120's being connected.

The left end and the right-hand member of mounting bracket 100 are provided with two folding legs 200 respectively, and the upper end of folding leg 200 is connected with the lower extreme of mounting bracket 100, and two folding legs 200 correspond two connecting plates 120 respectively and are connected, and the middle part and the folding leg 200 of connecting plate 120 are connected, and the extension that mounting panel 110 and folding leg 200 are connected can be regarded as to connecting plate 120, is favorable to avoiding the problem that the flexible interference that causes of mounting panel 110 to folding leg 200 to appear. The connecting plate 120 can be fixedly connected with the folding leg 200, and the connecting plate 120 can rotate relative to the mounting plate 110 along with the extension of the folding leg 200, so that the occupied space of the vehicular extension ladder is reduced.

Referring to fig. 1, the folding leg 200 includes a plurality of linkages, each linkage includes two sub-rods 210 that are disposed in a crossing manner and are hinged to each other, and the rotation angle of the two sub-rods 210 is changed, so that the linkages can be extended and contracted. In two adjacent linkage, the lower extreme that is located the linkage of top is articulated with the upper end that is located the linkage of below to can realize connecting between the linkage, thereby realize driving a linkage and rotate, can realize the flexible of whole folding leg 200, satisfy the user demand that folding leg 200 needs to stretch out and draw back. The linkage at the upper end is connected to the connecting plate 120.

Be provided with a plurality of footboards 300 between two folding leg 200 about, the left end and the right-hand member of footboard 300 are connected with two folding leg 200 respectively, and is concrete, and the left end and the right-hand member of footboard 300 are connected with the sub-pole 210 of the connecting rod group that corresponds respectively to along with sub-pole 210's rotation, footboard 300 can rotate thereupon, thereby make footboard 300 can fold along with folding leg 200's folding, be favorable to reducing the occupation space size of this automobile-used expansion bracket.

This automobile-used expansion bracket passes through the extension of folding leg 200 to can be so that folding leg 200's lower extreme and ground butt, thereby the bridge that constitutes ground and car as a house and be connected, so that the user uses from top to bottom the car as a house, be favorable to avoiding the chassis of car as a house higher off ground and lead to the inconvenient problem of the user from top to bottom the car as a house to appear.

Referring to fig. 2 and 3, the telescopic rack for the vehicle further comprises a storage plate 400, one end of the storage plate 400 is connected with the side surface of the mounting rack 100, and when the folding rack 200 is unfolded, the storage plate 400 can be hung on the mounting rack 100, so that the size of the occupied area of the telescopic ladder for the vehicle can be reduced, and the risk of stumbling a user can be reduced. When this automobile-used expansion bracket does not use, can fold folding leg 200, and be connected with the lower extreme of accomodating board 400 and the lower extreme that is located folding leg 200 respectively through the mounting, with the relative position of fixed accomodating board 400 and folding leg 200, thereby the relative position of fixed mounting 100 and folding leg 200, thereby keep folding leg 200's fold condition, compare in the fixed ladder of tradition, be favorable to reducing this automobile-used expansion ladder's occupation space size, be favorable to improving this automobile-used expansion ladder to the travelling comfort of different use scenes.

Specifically, the upper end of the storage plate 400 is provided with a fourth through hole extending left and right, and the rotating shaft 600 penetrates the fourth through hole together, so that the storage plate 400 is rotatably connected with the mounting frame 100.

Further preferably, the vehicle telescopic frame further comprises a grounding frame 500, the grounding frame 500 is arranged at the lower end of the folding frame 200, and the left end and the right end of the grounding frame 500 are respectively connected with the two folding frames 200.

Specifically, grounding frame 500 includes first riser 520, second riser 530 and diaphragm 510, the left end of diaphragm 510 is connected with first riser 520's lower extreme, the right-hand member of diaphragm 510 is connected with the lower extreme of second riser 530, grounding frame 500 is the setting of upwards open U-shaped promptly, first riser 520 and second riser 530 respectively with two folding leg 200 fixed connection, thereby realize being connected of grounding frame 500 and folding leg 200, grounding frame 500 is provided with and does benefit to the stability that improves this automobile-used expansion leg and ground are connected, be favorable to increasing folding leg 200's bearing performance, be favorable to avoiding the problem appearance of folding leg 200 atress slope.

The middle part of the transverse plate 510 is provided with a first groove 511 which is concave upwards, and the first groove 511 is provided for a user to hold, so that the folding of the folding frame 200 is realized, and the problem that the user needs to hold the end surface of the grounding frame 500 which is in contact with the ground to pollute the hand is avoided. The connecting rod group positioned at the lower end is fixedly connected with the grounding frame 500, and the grounding frame 500 is unfolded or folded along with the extension of the folding frame 200, so that the size of the occupied space of the extension ladder for the vehicle is favorably reduced.

Referring to fig. 3 and 4, it is further preferable that a first through hole 531 is formed at a side surface of the second vertical plate 530, the receiving plate 400 is located at a right side of the mounting bracket 100, a second through hole 410 is formed at a lower end of the receiving plate 400, and the fixing member is a latch which can be disposed through the first through hole 531 and the second through hole 410.

After the user passes first through-hole 531 and second through-hole 410 with the bolt, through the butt of bolt and first through-hole 531 and second through-hole 410 to can restrict the condition that folding leg 200 expanded under the action of gravity of self and appear, thereby realize the function of the relative position of fixed mounting 100 and folding leg 200, thereby reduce this automobile-used extension ladder's occupation space size.

Further preferably, an annular clamping groove is formed in the outer peripheral surface of the plug pin, the clamping groove is arranged corresponding to the first through hole 531, and the second vertical plate 530 can abut against the clamping groove.

When the bolt inserts first through-hole 531 and second through-hole 410, the draw-in groove corresponds the setting with first through-hole 531, and under the action of gravity of folding leg 200, second riser 530 joint is to the draw-in groove in for first through-hole 531 misplaces with second through-hole 410, thereby realizes blocking the function of bolt, is favorable to avoiding under the vibration effect, and the problem that first through-hole 531 and second through-hole 410 were deviate from to the bolt appears.

Further preferably, the first through holes 531 are provided in plurality, the first through holes 531 are arranged at intervals in the longitudinal direction of the second riser 530, the second through holes 410 are provided in plurality, and the second through holes 410 are arranged at intervals in the longitudinal direction of the storage plate 400. The folding frames 200 with different specifications are selected, for example, the folding frames 200 with different telescopic strokes are selected, and the first through hole 531 and the second through hole 410 at different positions are selected, so that the function of fixing the folding frames 200 is realized, and the improvement of the applicability of the storage plate 400 and the grounding frame 500 to the folding frames 200 with different specifications is facilitated.

In other embodiments of the present invention, the fixing member is a buckle disposed at a side of the grounding frame 500, and the lower end of the receiving plate 400 is rotatably connected with a hook, and the hook can be hooked with the buckle.

When the lower extreme of accomodating board 400 and grounding frame 500 overlap, the user can collude the couple on the buckle, can realize accomodating board 400 and grounding frame 500's being connected conveniently, through the setting of accomodating board 400 to interval between fixed mounting 100 and the folding leg 200 lower extreme, thereby keep folding leg 200's whole fold condition, satisfy this vehicle expansion bracket's user demand.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (10)

1. A vehicular extension ladder, comprising:

a mounting frame (100);

the left end and the right end of the mounting rack (100) are connected with the folding racks (200), a plurality of pedals (300) are arranged between the two folding racks (200), the left end and the right end of each pedal (300) are respectively connected with the two folding racks (200), and the pedals (300) are arranged at intervals up and down;

a receiving plate (400), wherein one end of the receiving plate (400) is connected with the side surface of the mounting rack (100);

and the fixing pieces are respectively connected with the lower end of the storage plate (400) and the lower end of the folding frame (200) to fix the relative positions of the storage plate (400) and the folding frame (200).

2. The telescopic ladder for the vehicle as claimed in claim 1, further comprising a ground frame (500), wherein the ground frame (500) is disposed at the lower end of the folding legs (200), the left and right ends of the ground frame (500) are respectively connected to the two folding legs (200), and the lower end surface of the ground frame (500) is provided with a first groove (511) which is upwardly recessed.

3. The extension ladder for vehicle as claimed in claim 2, wherein the ground frame (500) comprises a first vertical plate (520), a second vertical plate (530) and a horizontal plate (510), the left end of the horizontal plate (510) is connected with the lower end of the first vertical plate (520), the right end of the horizontal plate (510) is connected with the lower end of the second vertical plate (530), the first vertical plate (520) and the second vertical plate (530) are respectively connected with the two folding frames (200), and the first groove (511) is disposed in the middle of the horizontal plate (510).

4. The telescopic ladder for vehicle according to claim 3, wherein a first through hole (531) is formed at a side surface of the second riser (530), the receiving plate (400) is located at a right side of the mounting frame (100), a second through hole (410) is formed at a lower end of the receiving plate (400), and the fixing member is a bolt that can be disposed through the first through hole (531) and the second through hole (410).

5. The extension ladder for the vehicle as claimed in claim 4, wherein a ring-shaped slot is provided on an outer circumferential surface of the pin, the slot is disposed corresponding to the first through hole (531), and the second vertical plate (530) is capable of abutting against the slot.

6. The telescopic ladder for vehicle according to claim 4, wherein the first through holes (531) are provided in plurality, the first through holes (531) are arranged at intervals in a longitudinal direction of the second riser (530), the second through holes (410) are provided in plurality, and the second through holes (410) are arranged at intervals in a longitudinal direction of the receiving plate (400).

7. The extension ladder for the vehicle as claimed in any one of claims 1 to 6, wherein the mounting frame (100) comprises two mounting plates (110), the two mounting plates (110) are arranged at a left-right interval, the two mounting plates (110) are respectively connected with the upper ends of the two folding legs (200) in a rotating manner, mounting through holes extending up and down are formed in the mounting plates (110), and the upper ends of the storage plates (400) are connected with the side faces of the mounting plates (110) in a rotating manner.

8. The telescopic ladder for vehicle according to claim 7, further comprising a rotation shaft (600), the mounting frame (100) further comprises two connecting plates (120), the connecting plates (120) correspond to the mounting plates (110) one by one, the lower end of the mounting plate (110) is provided with a second groove (111) which is concave upwards, the front end of the mounting plate (110) is provided with a third through hole extending left and right, the third through hole is communicated with the second groove (111), the upper end of the containing plate (400) is provided with a fourth through hole, the upper end of the connecting plate (120) is provided with a fifth through hole, the upper end of the connecting plate (120) is accommodated in the second groove (111), the lower extreme of connecting plate (120) with folding leg (200) are connected, pivot (600) pass in proper order fourth through-hole, third through-hole with the fifth through-hole.

9. The extension ladder for vehicle as claimed in claim 2, wherein said folding leg (200) comprises a plurality of linkages, said linkages comprising two sub-bars (210) arranged crosswise and hinged to each other; in two adjacent connecting rod groups, the lower end of the connecting rod group positioned above is hinged with the upper end of the connecting rod group positioned below; the connecting rod group positioned at the upper end is connected with the mounting frame (100), the connecting rod group positioned at the lower end is connected with the grounding frame (500), and the pedal (300) is connected with the corresponding sub-rod (210) of the connecting rod group.

10. The extension ladder for vehicle as claimed in claim 2, wherein the fixing member is a buckle disposed at a side of the ground frame (500), and a hook is rotatably connected to a lower end of the receiving plate (400) and can be hooked with the buckle.

Images