CN213649641U

CN213649641U - Stair climbing vehicle

Info

Publication number: CN213649641U
Application number: CN202022496389.7U
Authority: CN
Inventors: 王晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-09
Anticipated expiration: 2030-11-02

Abstract

The utility model relates to a rescue equipment technical field, in particular to stair climbing vehicle, include: a carrier; the U-shaped frame and the object carrier are positioned on the same plane, and a cross bar of the U-shaped frame is fixedly connected with the lowest end of the object carrier; the first sleeve is sleeved on the two vertical rods of the U-shaped frame; the tail end of the adjusting arm is fixedly connected with the first sleeve; the travelling mechanism is arranged at one end of the adjusting arm far away from the first sleeve; the first positioning mechanism is arranged on the adjusting arm. The utility model provides a stair climbing vehicle rotates on two montants of U type frame through first sleeve, adjusts running gear and accomodates in the U type frame, perhaps adjusts running gear to the one side that corresponds the carrier back, makes running gear support U type frame walk, then locks first sleeve through a positioning mechanism, when stair climbing vehicle transportation and depositing, avoids running gear to occupy too much space.

Description

Stair climbing vehicle

Technical Field

The utility model relates to a rescue equipment technical field, in particular to stair climbing vehicle.

Background

When the high-rise rescue is carried out, equipment such as an elevator cannot be used, rescue workers need to go to a high-rise floor to rescue people, the rescue workers need to transport wounded people downstairs by means of a stair climbing vehicle, but wheels of the current stair climbing vehicle cannot be adjusted, and the occupied space is too large when the rescue vehicles are transported and stored.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a stair climbing vehicle for solve the current too big problem of stair climbing vehicle occupation space.

In order to overcome the defect of background art, the embodiment of the utility model provides a stair climbing vehicle, include: a carrier; the U-shaped frame and the object carrier are positioned on the same plane, and a vertical rod of the U-shaped frame is fixedly connected with the lowest end of the object carrier; the first sleeve is sleeved on the two vertical rods of the U-shaped frame; the tail end of the adjusting arm is fixedly connected with the first sleeve; the travelling mechanism is arranged at one end, far away from the first sleeve, of the adjusting arm; the first positioning mechanism is arranged on the adjusting arm and used for locking the first sleeve and the U-shaped frame.

Preferably, the traveling mechanism comprises a three-support-arm star-shaped support and first traveling wheels, the center of the three-support-arm star-shaped support is hinged to the adjusting arm, and the three first traveling wheels are respectively hinged to the tail ends of the support arms of the three-support-arm star-shaped support.

Preferably, the first positioning mechanism includes:

the four first positioning sleeves are respectively sleeved on the two vertical rods of the U-shaped frame, and the first positioning sleeves are arranged on the upper side and the lower side of the first sleeve;

the first groove is formed in any one side of the adjusting arm corresponding to the first positioning sleeve;

the first positioning block is slidably arranged in the first groove;

the first elastic piece is connected between the first positioning block and the first groove;

the first positioning groove is formed in one side, corresponding to the first positioning block, of the first positioning sleeve, the first positioning block can be clamped into the first positioning groove, and the first positioning groove is located in two opposite side faces of the first positioning sleeve and the side face of the back face of the corresponding object carrier.

Preferably, the object carrier comprises a first object carrier and a second object carrier, wherein both sides of the head end of the second object carrier are hinged with second sleeves, and the second sleeves are slidably arranged on rods on both sides of the first object carrier; a locking rod is transversely and fixedly arranged at the lower end of the first shelf, a locking piece is arranged between the second sleeve and the head end of the second shelf, the locking piece is fixedly connected with the second shelf, a first notch is formed at the lower end of the locking piece, the locking rod can be clamped into the first notch, a first protection plate and a second protection plate are horizontally arranged on the side surface of the locking piece corresponding to the second sleeve, the first protection plate and the second protection plate are oppositely arranged, the first protection plate and the second protection plate are arranged in a vertically staggered manner, and the transverse distance and the longitudinal distance between the first protection plate and the second protection plate are the same as the diameter of the second sleeve; and second travelling wheels are fixedly arranged on two sides of the lowermost end of the first object frame.

Preferably, handrails are arranged on both sides of the upper end of the first rack.

Preferably, a third sleeve is fixedly arranged at the tail end of the handrail, the third sleeve is sleeved on two vertical rods of the first object frame, and a second positioning mechanism is arranged between the third sleeve and the first object frame;

the second positioning mechanism includes:

the four second positioning sleeves are respectively sleeved on the two vertical rods of the first object frame, and the second positioning sleeves are arranged on the upper side and the lower side of the third sleeve;

the second groove is formed in any one side of the handrail, which corresponds to the second positioning sleeve;

the second positioning block is slidably arranged in the second groove;

the second elastic piece is connected between the second positioning block and the second groove;

the second positioning groove is formed in one side, corresponding to the second positioning block, of the second positioning sleeve, the second positioning block can be clamped into the second positioning groove, and the second positioning groove is located in the two opposite side faces of the second positioning sleeve and the side face corresponding to the back face of the carrier.

Preferably, two locking mechanisms are arranged on the second object frame, and the locking mechanisms are used for locking the locking rods.

Preferably, the second road wheel is a universal wheel.

Preferably, the U-shaped frame front cross rod is hinged to a baffle, the hinged end of the baffle extends outwards integrally to form a limiting plate, and the limiting plate can be blocked by the end part of the U-shaped frame.

Preferably, two telescopic rods are symmetrically and fixedly arranged in the second object frame along the length direction, the telescopic rods extend out of the head end of the second object frame, the telescopic ends of the two telescopic rods are fixedly connected through a connecting rod, a transverse supporting rod is arranged in the first object frame, an elastic pin is arranged on the side face, corresponding to the supporting rod, of the connecting rod, and when the first object frame and the second object frame are located on the same plane, the supporting rod is located below the telescopic rods and the connecting rod in the vertical direction.

The utility model has the advantages that:

the utility model provides a stair climbing vehicle rotates on two montants of U type frame through first sleeve, adjusts running gear and accomodates in the U type frame, perhaps adjusts running gear to the one side that corresponds the carrier back, makes running gear support U type frame walk, then locks first sleeve through a positioning mechanism, when stair climbing vehicle transportation and depositing, avoids running gear to occupy too much space.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first positioning mechanism in this embodiment;

FIG. 3 is a schematic view of the locking member of the present embodiment;

FIG. 4 is a schematic structural diagram of a second positioning mechanism in the present embodiment;

FIG. 5 is a schematic view illustrating a retracted state of the retractable rod in the flat state of the carrier of the embodiment 2;

fig. 6 is a schematic view illustrating an extended state of the retractable rod in the article carrier flat state according to the embodiment 2.

Wherein, 10-the luggage carrier; 11-U-shaped frame; 12-a first sleeve; 13-an adjustment arm; 14-a first rack; 141-arm rests; 15-second shelf; 16-a second sleeve; 17-a locking lever; 18-a locking element; 181-first notch; 182-a first shield; 183-second shield; 19-a second road wheel; 20-a running mechanism; 21-three arm star support; 22-a first travelling wheel; 30-a first positioning mechanism; 31-a first locating sleeve; 32-a first groove; 33-a first positioning block; 34-a first elastic member; 35-a first positioning groove; 40-a second positioning mechanism; 41-a second positioning sleeve; 42-a second groove; 43-a second locating block; 44-a second elastic member; 45-a second positioning groove; 50-a locking mechanism; 51-an opening; 52-operating handle; 61-a baffle; 62-a limiting plate; 63-a telescopic rod; 64-a connecting rod; 65-support bars; 66-resilient pin.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Some embodiments of the present invention will be described with reference to the accompanying drawings, and it should be understood that the embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.

Example 1

As shown in fig. 1 and 2, the embodiment of the utility model provides a stair climbing vehicle, include: a carrier 10; the U-shaped frame 11 and the object carrier 10 are positioned on the same plane, and a cross bar of the U-shaped frame 11 is fixedly connected with the lowest end of the object carrier 10; the first sleeve 12 is sleeved on the two vertical rods of the U-shaped frame 11; the tail end of the adjusting arm 13 is fixedly connected with the first sleeve 12; the walking mechanism 20 is arranged at one end of the adjusting arm 13 far away from the first sleeve 12, the width of the U-shaped frame 11 is larger than the sum of the widths of the two walking mechanisms 20, and the purpose is to avoid interference when the two walking mechanisms 20 are overturned into the object carrier 10; the first positioning mechanism 30 is arranged on the adjusting arm 13, and the first positioning mechanism 30 is used for locking the first sleeve 12 and the U-shaped frame 11.

In the above embodiment, the first sleeve 12 rotates on two vertical rods of the U-shaped frame 11, the adjusting traveling mechanism 20 is accommodated in the U-shaped frame 11, the width of the U-shaped frame 11 is greater than the sum of the widths of the two traveling mechanisms 20, so as to avoid interference between the two traveling mechanisms 20, or the adjusting traveling mechanism 20 is adjusted to one side corresponding to the back of the carrier 10, so that the traveling mechanism 20 supports the U-shaped frame 11 to travel, and then the first sleeve 12 is locked by the first positioning mechanism 30, so as to avoid the traveling mechanism 20 from occupying too much space during transportation and storage of the stair climbing vehicle.

As shown in fig. 1 and 2, the traveling mechanism 20 includes a three-arm star-shaped support 21 and three first traveling wheels 22, the center of the three-arm star-shaped support 21 is hinged to the adjusting arm 13, and the first traveling wheels 22 are respectively hinged to the arm ends of the three-arm star-shaped support 21.

In the above embodiment, when climbing stairs, the three-arm star-shaped support 21 is rotated by pulling the U-shaped frame 11 upward to realize the climbing stairs, thereby reducing the physical energy consumption.

As shown in fig. 1 and 2, the first positioning mechanism 30 includes:

the number of the first positioning sleeves 31 is four, the first positioning sleeves 31 are respectively sleeved on two vertical rods of the U-shaped frame 11, and the first positioning sleeves 31 are arranged on the upper side and the lower side of the first sleeve 12;

the first groove 32 is formed in any one side of the adjusting arm 13 corresponding to the first positioning sleeve 31;

a first positioning block 33, wherein the first positioning block 33 is slidably arranged in the first groove 32;

the first elastic piece 34 is a spring, and the first elastic piece 34 is connected between the first positioning block 33 and the first groove 32;

the first positioning groove 35 is formed in one side, corresponding to the first positioning block 33, of the first positioning sleeve 31, the first positioning block 33 can be clamped into the first positioning groove 35, and the first positioning groove 35 is located on two opposite sides of the first positioning sleeve 31 and on the side corresponding to the back of the carrier 10.

In the above embodiment, by pressing the first positioning block 33 downwards, the first positioning block 33 is pressed into the first groove 32, and then the first sleeve 12 is rotated, so that the adjusting arm 13 drives the traveling mechanism 20 to rotate, after the first sleeve 12 is rotated by 90 °, the first positioning block 33 is released, the first elastic member 34 is reset to clamp the first positioning block 33 into the first positioning groove 35, so as to lock the traveling mechanism 20, and after the first sleeve 12 is rotated, the first positioning block 33 is clamped into two first positioning grooves 35 on the inner side of the first positioning sleeve 31, so as to store the traveling mechanism 20, and avoid the traveling mechanism 20 from occupying too much space.

As shown in fig. 1 and 3, the carrier 10 includes a first carrier 14 and a second carrier 15, a second sleeve 16 is hinged to both sides of a head end of the second carrier 15, and the second sleeve 16 is slidably disposed on a rod on both sides of the first carrier 14; a locking rod 17 is transversely and fixedly arranged at the lower end of the first rack 14, a locking element 18 is arranged between the second sleeve 16 and the head end of the second rack 15, the locking element 18 is fixedly connected with the second rack 15, a first notch 181 is formed at the lower end of the locking element 18, the locking rod 17 can be clamped in the first notch 181, a first guard plate 182 and a second guard plate 183 are horizontally arranged on the side surface of the locking element 18 corresponding to the second sleeve 16, the first guard plate 182 and the second guard plate 183 are oppositely arranged, the first guard plate 182 and the second guard plate 183 are arranged in a vertically staggered manner, and the transverse distance and the longitudinal distance between the first guard plate 182 and the second guard plate 183 are the same as the diameter of the second sleeve 16; second traveling wheels 19 are fixedly arranged on both sides of the lowest end of the first rack 14, and in the embodiment, the second traveling wheels 19 are universal wheels.

In the above embodiment, first the first rack 14 is lifted up to disengage the locking rod 17 from the first notch 181, then the first rack 14 is rotated to the plane of the second rack 15, the second sleeve 16 is horizontally disposed between the first guard plate 182 and the second guard plate 183, the first guard plate 182 and the second guard plate 183 vertically support the second sleeve 16, preventing the first rack 14 from further rotating, and at the same time, the first rack 14 can slide on the second rack 15 through the second sleeve 16, thereby facilitating the height adjustment of the rack 10; the first object frame 14 is pulled out to the head end of the second object frame 15, then the first object frame 14 is hinged to the second object frame 15 through the second sleeve 16, the first object frame 14 is adjusted to be perpendicular to the second object frame 15, the second sleeve 16 is vertically arranged between the first protection plate 182 and the second protection plate 183, the first protection plate 182 and the second protection plate 183 play a role in transversely supporting the second sleeve 16 to prevent the first object frame 14 from continuously rotating, finally the locking rod 17 is clamped into the first notch 181 by means of the gravity of the first object frame 14, fixing of a structure in which the first object frame 14 and the second object frame 15 are perpendicular to each other is achieved, the first traveling wheels 22 and the second traveling wheels 19 play a role in supporting and moving the object carrier frame 10, installation and adjustment of the first object frame 14 and the second object frame 15 are facilitated, and excessive space occupied by the object carrier frame 10 is reduced.

As shown in fig. 1 and 4, handrails 141 are disposed on both sides of the upper end of the first rack 14;

a third sleeve 142 is fixedly arranged at the tail end of the handrail 141, the third sleeve 142 is sleeved on two vertical rods of the first rack 14, and a second positioning mechanism 40 is arranged between the third sleeve 142 and the first rack 14;

the second positioning mechanism 40 includes:

four second positioning sleeves 41 respectively sleeved on two vertical rods of the first rack 14, wherein the second positioning sleeves 41 are arranged on the upper side and the lower side of the third sleeve 142;

the second groove 42 is formed in any one side of the armrest 141 corresponding to the second positioning sleeve 41;

a second positioning block 43, wherein the second positioning block 43 is slidably disposed in the second groove 42;

a second elastic member 44, wherein the second elastic member 44 is a spring, and the second elastic member 44 is connected between the second positioning block 43 and the second groove 42;

the second positioning groove 45 is formed in one side, corresponding to the second positioning block 43, of the second positioning sleeve 41, the second positioning block 43 can be clamped into the second positioning groove 45, and the second positioning groove 45 is located in two opposite side faces of the second positioning sleeve 41 and the side face corresponding to the back face of the article carrier 10.

In the above embodiment, the armrest 141 is disposed on the first rack 14, so that the pushing operation of the rack 10 when the first rack 14 and the second rack 15 are vertically disposed is facilitated, when the rack 10 needs to be stored, the second positioning block 43 is pressed into the second groove 42 by pressing the second positioning block 43 downward, then the third sleeve 142 is rotated, so that the armrest 141 is rotated, after the third sleeve 142 is rotated by 90 °, the second positioning block 43 is released, the second elastic member 44 is reset, so that the second positioning block 43 is clamped into the second positioning groove 45, thereby achieving the locking of the armrest 141, and after the third sleeve 142 is rotated, the second positioning block 43 is clamped into the second positioning grooves 45 inside the two second positioning sleeves 41, thereby achieving the storage of the armrest 141, and avoiding the armrest 141 occupying too much space.

As shown in fig. 1, two locking mechanisms 50 are provided on the second object frame 15, the locking mechanisms 50 have the same structure as that described in patent No. CN 104372936B, and the details are not repeated here, and the locking mechanisms 50 are used for locking the locking levers 17.

In the above embodiment, in which two locking mechanisms 50 are respectively provided at the head end and the tail end of the second object frame 15, the opening 51 of the locking mechanism 50 is provided toward the back of the second object frame 15, by rotating the first object frame 14 while sliding the second sleeve 16 on the first object frame 14, when the locking rod 17 moves to the locking mechanism 50 at the tail end, and then the locking rod 17 is snapped into the locking mechanism 50, the object carrier frame 10 is formed into a shorter plate for pulling the shorter object; by rotating the operation handle 52, the lock mechanism 50 is opened, and then the lock lever 17 is taken out; when the locking rod 17 is moved to the head end, the locking rod 17 is clamped into the locking mechanism 50, so that the luggage carrier 10 is formed into a long flat plate for pulling people or long objects, the luggage carrier 10 can be adjusted to different lengths, and the transportation mode is diversified.

The U-shaped frame 11 front cross rod is hinged to be provided with a baffle 61, the hinged end of the baffle 61 extends outwards integrally to form a limiting plate 62, and the limiting plate 62 can be blocked by the end part of the U-shaped frame 11.

In the above embodiment, during the transportation of the article carrier 10, the baffle 61 rotates to the angle perpendicular to the U-shaped frame 11, the end of the U-shaped frame 11 acts as a limit for the limit plate 62, the baffle 61 acts as a barrier for the articles on the article carrier 10, preventing the articles on the article carrier 10 from sliding off, and when the baffle 61 is not needed, the baffle 61 is directly turned to the plane with the article carrier 10, so that the baffle 61 is prevented from occupying too much space.

Example 2

As shown in fig. 5 and 6, two telescopic rods 63 are symmetrically and fixedly arranged in the second object frame 15 along the length direction, the telescopic rods 63 extend out of the head end of the second object frame 15, the telescopic ends of the two telescopic rods 63 are fixedly connected through a connecting rod 64, a transverse supporting rod 65 is arranged in the first object frame 14, and an elastic pin 66 is arranged on the connecting rod 64 corresponding to the side surface of the supporting rod 65; when the first rack 14 and the second rack 15 are located on the same plane, the supporting rod 65 is located below the telescopic rod 63 and the connecting rod in the vertical direction, the telescopic rod 63 is pulled to the position of the supporting rod 65, then the elastic pin 66 is pressed down to enable the connecting rod 64 to cross the supporting rod 65, after the elastic pin 66 is loosened, when the telescopic rod 63 contracts, the elastic pin 66 is clamped at the position of the supporting rod 65 to limit the contraction of the telescopic rod 63, the telescopic rod 63 can increase the bearing capacity of the first rack 14 and the second rack 15 and can support objects on the first rack 14 and the second rack 15, when the telescopic rod 63 needs to contract, the elastic pin 66 is pressed down to enable the connecting rod 64 to cross the supporting rod 65, and finally the telescopic rod 63 is retracted.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A stair climbing vehicle, comprising:

a carrier;

the U-shaped frame and the object carrier are positioned on the same plane, and a vertical rod of the U-shaped frame is fixedly connected with the lowest end of the object carrier;

the first sleeve is sleeved on the two vertical rods of the U-shaped frame;

the tail end of the adjusting arm is fixedly connected with the first sleeve;

the travelling mechanism is arranged at one end, far away from the first sleeve, of the adjusting arm;

the first positioning mechanism is arranged on the adjusting arm and used for locking the first sleeve and the U-shaped frame.

2. The stair climbing vehicle according to claim 1, wherein the traveling mechanism comprises a three-arm spider and three first traveling wheels, the centers of the three-arm spider are hinged to the adjusting arms, and the three first traveling wheels are respectively hinged to the ends of the arms of the three-arm spider.

3. The stair climbing vehicle according to claim 1, wherein the first positioning mechanism comprises:

the first positioning block is slidably arranged in the first groove;

4. The stair climbing vehicle according to claim 1, wherein the object carrier comprises a first object carrier and a second object carrier, wherein a second sleeve is hinged to both sides of a head end of the second object carrier, and the second sleeve is slidably disposed on rods on both sides of the first object carrier; a locking rod is transversely and fixedly arranged at the lower end of the first shelf, a locking piece is arranged between the second sleeve and the head end of the second shelf, the locking piece is fixedly connected with the second shelf, a first notch is formed at the lower end of the locking piece, the locking rod can be clamped into the first notch, a first protection plate and a second protection plate are horizontally arranged on the side surface of the locking piece corresponding to the second sleeve, the first protection plate and the second protection plate are oppositely arranged, the first protection plate and the second protection plate are arranged in a vertically staggered manner, and the transverse distance and the longitudinal distance between the first protection plate and the second protection plate are the same as the diameter of the second sleeve; and second travelling wheels are fixedly arranged on two sides of the lowermost end of the first object frame.

5. The stair climbing vehicle according to claim 4, wherein handrails are disposed on both sides of the upper end of the first rack.

6. The stair climbing vehicle according to claim 5, wherein a third sleeve is fixedly disposed at an end of the armrest, the third sleeve is sleeved on two vertical rods of the first rack, and a second positioning mechanism is disposed between the third sleeve and the first rack;

the second positioning mechanism includes:

the second positioning block is slidably arranged in the second groove;

7. The stair climbing vehicle according to claim 4, wherein two locking mechanisms are provided on the second shelf for locking the locking rod.

8. The stair climbing vehicle of claim 4, wherein the second road wheel is a universal wheel.

9. The stair climbing vehicle according to claim 1, wherein a baffle is hinged to the cross bar on the front surface of the U-shaped frame, hinged ends of the baffle integrally extend outwards to form a limiting plate, and the limiting plate can be blocked by the end portion of the U-shaped frame.

10. The stair climbing vehicle according to claim 4, wherein two telescopic rods are symmetrically and fixedly arranged in the second object frame along the length direction, the telescopic rods extend out of the head end of the second object frame, the telescopic ends of the two telescopic rods are fixedly connected through a connecting rod, a transverse supporting rod is arranged in the first object frame, an elastic pin is arranged on the side surface of the connecting rod corresponding to the supporting rod, and when the first object frame and the second object frame are located on the same plane, the supporting rod is located below the telescopic rods and the connecting rod in the vertical direction.