WO2021248658A1 - 一种可折叠踏梯及踏梯设备 - Google Patents

一种可折叠踏梯及踏梯设备 Download PDF

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Publication number
WO2021248658A1
WO2021248658A1 PCT/CN2020/106063 CN2020106063W WO2021248658A1 WO 2021248658 A1 WO2021248658 A1 WO 2021248658A1 CN 2020106063 W CN2020106063 W CN 2020106063W WO 2021248658 A1 WO2021248658 A1 WO 2021248658A1
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WIPO (PCT)
Prior art keywords
longitudinal beam
section
left rear
right rear
foldable
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PCT/CN2020/106063
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English (en)
French (fr)
Inventor
方卓元
Original Assignee
方卓元
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Publication date
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Publication of WO2021248658A1 publication Critical patent/WO2021248658A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
    • B60R3/02—Retractable steps or ladders, e.g. movable under shock
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding

Definitions

  • the utility model belongs to the technical field of medical auxiliary devices, and specifically relates to a foldable step ladder and step ladder equipment.
  • DSA digital subtraction angiography X-ray machine
  • the DSA bed is too high, and patients must use the self-made stepladder or stool of each hospital to get on and off the bed.
  • These self-made stepladders or stools The shape is awkward, and it is extremely inconvenient to move around during use, and at the same time it takes up valuable space in the catheterization laboratory. Therefore, it is necessary to design a foldable and recyclable stepladder device that occupies a small space, does not affect any other operations, and is convenient to use.
  • the utility model provides a foldable step ladder and step ladder equipment.
  • the present utility model provides a foldable step ladder, which includes a left rear top longitudinal beam, a right rear top longitudinal beam, a left middle longitudinal beam, a right middle longitudinal beam, a left rear bottom longitudinal beam, and a right rear bottom longitudinal beam, Left front bottom diagonal beam, right front bottom diagonal beam, left top cross beam, right top cross beam, left middle cross beam, right middle cross beam, top tread and middle tread; the left rear top longitudinal beam, the right rear top longitudinal beam, the The left middle longitudinal beam, the right middle longitudinal beam, the left rear bottom longitudinal beam and the right rear bottom longitudinal beam are parallel, the left top beam, the right top beam, the left middle beam and the The right middle cross beam is parallel; the back end of the left top cross beam is rotatably connected to the middle of the left rear top side beam, and the front end of the left top cross beam is rotatably connected to the top of the left middle side beam; The back side end of the right top cross beam is rotatably connected with the middle of the right rear top side beam, and the front end of
  • the top of the left rear bottom longitudinal beam is rotatably connected with the back end of the left middle cross beam, and the top end of the left rear bottom longitudinal beam is fixedly connected with the bottom end of the left rear top longitudinal beam;
  • the top of the right rear bottom longitudinal beam is rotatably connected with the back side end of the right middle cross beam, and the top of the right rear bottom longitudinal beam is fixedly connected with the bottom of the right rear top longitudinal beam.
  • the top of the left rear bottom longitudinal beam is rotatably connected with the middle of the left middle cross beam
  • the top of the right rear bottom longitudinal beam is rotatably connected with the middle of the right middle cross beam
  • the foldable step ladder further includes a left oblique pull rod and a right oblique pull rod, the back end of the left oblique pull rod is rotatably connected with the bottom end of the left rear bottom longitudinal beam, and the front The side end is rotatably connected with the middle and upper part of the left front bottom diagonal beam; the back side end of the right diagonal tie rod is rotatably connected with the bottom of the right rear bottom longitudinal beam, and the front side end of the right diagonal tie rod is connected with the right front The middle and upper part of the bottom inclined beam are connected by rotation.
  • the left rear top longitudinal beam includes a left rear upper longitudinal beam section and a left rear middle longitudinal beam section, and the bottom end of the left rear upper longitudinal beam section and the top end of the left rear middle longitudinal beam section are fixedly connected
  • the right rear top longitudinal beam includes a right rear upper longitudinal beam section and a right rear longitudinal beam section, the bottom end of the right rear upper longitudinal beam section and the top end of the right rear longitudinal beam section are fixedly connected
  • the The foldable step ladder also includes a first crossbar, a second crossbar, a third crossbar, a fourth crossbar, a fifth crossbar, a sixth crossbar, a seventh crossbar, an eighth crossbar, and a ninth crossbar , Both ends of the first crossbar are respectively connected to the top end of the left rear upper longitudinal beam section and the top end of the right rear upper longitudinal beam section; both ends of the second crossbar are respectively connected to the left rear upper
  • Both ends of the longitudinal beam section and the bottom end of the right rear upper longitudinal beam section, and both ends of the third cross bar are respectively connected to
  • the left rear upper longitudinal beam section and the left rear middle longitudinal beam section are fixedly connected to each other by an intermediate shaft section (40), and the top end of the left rear bottom longitudinal beam is connected to the left rear top longitudinal beam
  • the bottom end is fixedly connected by a middle shaft section (42), the left rear upper longitudinal beam section, the left rear middle longitudinal beam section and the left rear bottom longitudinal beam are an integral structure, and the left middle cross beam
  • the back side end is rotatably connected with the middle shaft section (42) on the top of the left rear bottom longitudinal beam, and the back side end of the left top cross beam is rotatably connected with the middle shaft section (40) on the top of the left rear middle side beam section
  • the right rear upper longitudinal beam section and the right rear middle longitudinal beam section are fixedly connected to each other by an intermediate shaft section (41), and the top end of the right rear bottom longitudinal beam and the bottom end of the right rear top longitudinal beam pass
  • the middle shaft section (43) is fixedly connected, the right rear upper longitudinal beam section, the right rear middle longitudinal beam section and the right rear
  • the top of the left rear bottom longitudinal beam and the left middle longitudinal beam are fixedly connected to each other through an intermediate shaft section (44), and the left rear bottom longitudinal beam and the left middle longitudinal beam are an integral structure,
  • the middle part of the left middle cross beam is rotatably connected with the middle shaft section (44) on the top of the left rear bottom side beam; the top of the right rear bottom side beam and the right middle side beam are mutually connected through the middle shaft section (45).
  • the right rear bottom longitudinal beam and the right middle longitudinal beam are integrally formed, and the middle of the right middle cross beam is rotatably connected with the middle shaft section (45) on the top of the right rear bottom longitudinal beam.
  • the upper part of the left-rear top longitudinal beam and the upper part of the right-rear top longitudinal beam of the foldable stepladder are fixed to a plate-like planar structure.
  • the foldable step ladder is provided with a limit member for limiting the rotation angle at the rotation connection.
  • the present invention provides a step ladder equipment used for DSA equipment to assist patients in getting in and out of bed, including step ladder cabin and the above-mentioned foldable step ladder, the foldable step ladder is folded into a plate-like shape The structure is housed in the step cabin.
  • the step ladder cabin is buried in the ground or arranged on the ground, the top of the step ladder cabin is provided with a cover body, and the inner surface of the cover body and the left rear top longitudinal beam of the foldable step ladder
  • the upper part of the upper part and the upper part of the right rear top longitudinal beam are fixedly connected;
  • the foldable stepladder also includes a ninth crossbar, and both ends of the ninth crossbar are respectively connected to the bottom end of the left front bottom diagonal beam and the right front At the bottom end of the bottom inclined beam, the ninth cross bar is rotatably connected to the bottom of the step cabin.
  • the stepping cabin is arranged on the outer side of the base of the DSA equipment, the side of the stepping cabin is provided with a cabin door, one side of the cabin door is hinged to the stepping cabin, and the stepping cabin
  • the inner wall of the ladder cabin is provided with a plurality of telescopic rods that can extend in the horizontal direction.
  • the left rear top longitudinal beam and the right rear top longitudinal beam of the foldable step ladder are fixed on the telescopic rods, and The foldable step ladder is driven to extend out of the step ladder cabin.
  • the foldable stepladder structure formed by the combination of multiple longitudinal rods, multiple horizontal rods and multiple pedals can effectively carry the weight of the patient, and the operation is convenient when unfolded, which is convenient for the patient in the DSA
  • Figure 1 is a schematic structural diagram of a foldable stepladder provided by an embodiment of the present invention
  • Figure 2 is a schematic diagram of a folded state of a foldable stepladder provided by an embodiment of the present invention
  • Figure 3 is a schematic view of the structure of the rear frame in Figure 1;
  • Figure 4 is a schematic structural diagram of a foldable stepladder provided by another embodiment of the present invention.
  • Figure 5 is a schematic diagram of a folded state of a foldable stepladder provided by another embodiment of the present invention.
  • Figure 6 is a schematic diagram of the structure of the rear frame and the middle frame in Figure 4.
  • Figure 7 is a schematic structural diagram of a stepping equipment provided by an embodiment of the present invention.
  • Fig. 8 is a schematic structural diagram of a stepping equipment provided by another embodiment of the present invention.
  • Figure 9 is a schematic structural diagram of a foldable stepladder provided by another embodiment of the present invention.
  • back side end and “front side end” are specific, and “back side end” refers to the location of the left rear top longitudinal beam and the right rear top longitudinal beam.
  • front end refers to the other end that points in the opposite direction to the back end.
  • the terms “longitudinal”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “left”, “right”, “front”, “rear”, etc. indicate The azimuth or positional relationship of is based on the azimuth or positional relationship shown in the drawings, wherein the “longitudinal beam” refers to the beam extending in the vertical direction, and the “transverse beam” refers to the beam extending in the horizontal direction.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • an embodiment of the present invention provides a foldable stepladder 1, including a left rear top longitudinal beam 10, a right rear top longitudinal beam 11, a left middle longitudinal beam 12, and a right middle longitudinal beam 13, Left rear bottom longitudinal beam 14a, right rear bottom longitudinal beam 15a, left front bottom diagonal beam 16, right front bottom diagonal beam 17, left top beam 18, right top beam 19, left middle beam 20, right middle beam 21, top step 22 and Middle step 23, said left rear top longitudinal beam 10, said right rear top longitudinal beam 11, said left middle longitudinal beam 12, said right middle longitudinal beam 13, said left rear bottom longitudinal beam 14a and said right
  • the rear bottom longitudinal beams 15a are parallel, the left top cross beam 18, the right top cross beam 19, the left middle cross beam 20 and the right middle cross beam 21 are parallel, and the back side end of the left top cross beam 18 is parallel to the
  • the middle part of the left rear top longitudinal beam 10 is pivotally connected, the front end of the left top beam 18 is pivotally connected to the top of the left middle longitudinal beam 12, and the back end of the right top beam 19 is connected to the right rear
  • rotational connection can be realized in a variety of ways, such as bearings, hinges, shaft and hole clearance fit, etc., all of which should be included in the scope of protection of the present invention.
  • the left rear top longitudinal beam 10 and the right rear top longitudinal beam 11 are arranged symmetrically about the central axis of the foldable stepladder 1, and the left middle longitudinal beam 12 and the right middle longitudinal beam 13
  • the left rear bottom longitudinal beam 14a and the right rear bottom longitudinal beam 15a are symmetrically arranged on the central axis of the foldable stepladder 1, and the left front bottom is symmetrically arranged on the central axis of the foldable stepladder 1.
  • the beam 16 and the right front bottom diagonal beam 17 are symmetrically arranged on the central axis of the foldable stepladder 1, and the left top cross beam 18 and the right top crossbeam 19 are symmetrically arranged on the central axis of the foldable stepladder 1.
  • the left middle cross beam 20 and the right middle cross beam 21 are symmetrically arranged about the central axis of the foldable step ladder 1.
  • the foldable stepladder 1 formed by a combination of multiple vertical rods, multiple horizontal rods and multiple pedals has a stable and firm structure. , It is easy to operate when unfolding and retrieving, and it is convenient for patients to go up and down on the bed of DSA equipment.
  • the foldable step ladder 1 when the foldable step ladder 1 is in a folded state, it has a plate-like or plate-like structure, which is convenient for storing the foldable step ladder 1, thereby effectively reducing the occupation of the catheter room space.
  • the foldable stepladder 1 further includes a left diagonal tie rod 33 and a right diagonal tie rod 34, the back side end of the left diagonal tie rod 33 and the left rear bottom longitudinal
  • the bottom end of the beam 14b is rotatably connected, the front end of the left diagonal tie rod 33 is rotatably connected with the middle and upper part of the left front bottom diagonal beam 16, the back side end of the right diagonal tie rod 34 is connected to the right rear bottom longitudinal beam
  • the bottom of 15b is rotatably connected, and the front end of the right diagonal rod 34 is rotatably connected with the middle and upper part of the right front bottom diagonal beam 17.
  • the left rear top longitudinal beam 10 includes a left rear upper longitudinal beam section 101 and a left rear middle longitudinal beam section 102.
  • the bottom end of the left rear upper longitudinal beam section 101 and The top end of the left rear middle longitudinal beam section 102 is fixedly connected
  • the right rear top longitudinal beam 11 includes a right rear upper longitudinal beam section 111 and a right rear middle longitudinal beam section 112.
  • the bottom of the right rear upper longitudinal beam section 111 The end is fixedly connected with the top end of the right rear middle longitudinal beam section 112.
  • the left rear upper longitudinal beam section 101 and the left rear middle longitudinal beam section 102 are fixedly connected to each other by an intermediate shaft section 40, and the left rear bottom longitudinal beam
  • the top end of 14a and the bottom end of the left rear top longitudinal beam 10 are fixedly connected by an intermediate shaft section 42, and the three are integrally formed.
  • the back side end of the left middle cross beam 20 and the top of the left rear bottom longitudinal beam 14a The middle shaft section 42 is rotatably connected, and the back end of the left top cross beam 18 is rotatably connected with the middle shaft section 40 on the top of the left rear middle longitudinal beam section 102; the right rear upper longitudinal beam section 111 and the right
  • the rear middle longitudinal beam sections 112 are fixedly connected to each other by a middle shaft section 41, and the top end of the right rear bottom longitudinal beam 15a and the bottom end of the right rear top longitudinal beam 11 are fixedly connected by a middle shaft section 43, and the three are integrally formed Structure, the back side end of the right middle cross beam 21 is rotatably connected with the middle shaft section 43 at the top of the right rear bottom longitudinal beam 15a, and the back side end of the right top cross beam 19 is connected to the right rear middle longitudinal beam section 112
  • the top intermediate shaft section 41 is rotatably connected.
  • the top of the left rear bottom longitudinal beam 14b and the left middle longitudinal beam 12 are fixedly connected to each other through an intermediate shaft section 44, forming an integral structure.
  • the middle of the left middle cross beam 20 is rotatably connected with the middle shaft section 44 at the top of the left rear bottom side beam 14b; the top of the right rear bottom side beam 15b and the right middle side beam 13 are fixedly connected to each other through the middle shaft section 45 , Is an integral structure, and the middle of the right middle cross beam 21 is rotatably connected with the middle shaft section 45 at the top of the right rear bottom longitudinal beam 15b.
  • the structure shown in Fig. 4 is a simplified structure of the structure shown in Fig. 1, which can further reduce the space occupied by the foldable stepladder 1 in the folded state. As shown in Fig. 5, the structure shown in Fig. 4 can be denser The form of folding, the length after folding is shorter.
  • the bottom end of the left rear upper longitudinal beam section 101 and the top end of the left rear middle longitudinal beam section 102 are fixedly connected to each other through an intermediate shaft section 40, and the back side end of the left top cross beam 18 rotates
  • the middle shaft section 40 connected between the bottom end of the left rear upper longitudinal beam section 101 and the top end of the left rear middle longitudinal beam section 102; the bottom end of the right rear upper longitudinal beam section 111 and the right
  • the top ends of the rear middle longitudinal beam section 112 are fixedly connected to each other through the middle shaft section 41; the back end of the right top cross beam 19 is rotatably connected to the bottom end of the right rear upper longitudinal beam section 111 and the right rear middle longitudinal beam
  • the intermediate shaft section 41 is between the top ends of the section 112.
  • the foldable step ladder 1 also includes a first cross bar 24, a second cross bar 25, a third cross bar 26, a fourth cross bar 27, a fifth cross bar 28, a sixth cross bar 29, and a seventh cross bar 30. , The eighth crossbar 31 and the ninth crossbar 32.
  • the two ends of the first cross bar 24 are respectively connected to the top end of the left rear upper longitudinal beam section 101 and the top end of the right rear upper longitudinal beam section 111; the two ends of the second cross bar 25 are respectively connected to the The bottom end of the left rear upper longitudinal beam section 101 and the bottom end of the right rear upper longitudinal beam section 111 are coaxial with the intermediate shaft sections 40 and 41 there; both ends of the third cross bar 26 are respectively connected to the The bottom end of the left rear middle longitudinal beam section 102 and the bottom end of the right rear middle longitudinal beam section 112 are coaxial with the middle shaft sections 42 and 43 there; both ends of the fourth cross bar 27 are respectively connected The bottom end of the left rear bottom longitudinal beam 14a and the bottom end of the right rear bottom longitudinal beam 15a.
  • Both ends of the fifth crossbar 28 are connected to the top end of the left middle longitudinal beam 12 and the top end of the right middle longitudinal beam 13 respectively; both ends of the sixth crossbar 29 are respectively connected to the left middle longitudinal beam
  • Both ends of the seventh cross bar 30 are respectively connected to the top end of the left front bottom diagonal beam 16 And the top end of the right front bottom diagonal beam 17;
  • the two ends of the eighth cross bar 31 are respectively connected to the upper middle part of the left front bottom diagonal beam 16 and the middle upper part of the right front bottom diagonal beam 17;
  • the ninth transverse Both ends of the rod 32 connect the bottom end of the left front bottom diagonal beam 16 and the bottom end of the right front bottom diagonal beam 17 respectively.
  • the seventh cross bar 30, the eighth cross bar 31 and the ninth cross bar 32 are used to improve the support strength of the foldable stepladder 1 at various positions and maintain its shape.
  • An upper vertical plate 37 is provided between the left rear upper longitudinal beam section 101 and the right rear upper longitudinal beam section 111, and a middle vertical plate is provided between the left middle longitudinal beam 12 and the right middle longitudinal beam 13 38.
  • a bottom vertical plate 39 is provided between the left front bottom diagonal beam 16 and the right front bottom diagonal beam 17.
  • the foldable stepladder in order to prevent the foldable stepladder 1 from being forced to continue to expand or fold when it is in the unfolded state, is provided with a limit member for limiting the angle of rotation at the rotation connection. It is understood that setting a limiter at a part of the “rotational connection” position can ensure the stability of the foldable stepladder 1 when it is in the unfolded state.
  • the left top cross beam 18 and The position where the left rear top longitudinal beam 10 is rotationally connected, and the position where the left middle cross beam 20 and the left rear bottom longitudinal beam 14a are rotationally connected are provided with a limiter.
  • the position at which the left middle cross beam 20 and the left rear bottom longitudinal beam 14b are rotationally connected, and the position at which the left middle longitudinal beam 12 and the left middle cross beam 20 are rotationally connected are set limits Bit pieces.
  • the limiting member can be selected from various existing limiting structures, such as stop pieces, buckle structures, and the like.
  • a left roller 35 is connected to the bottom end of the left rear bottom longitudinal beam 14 a
  • a right roller 36 is connected to the bottom end of the right rear bottom longitudinal beam 15 a.
  • the left roller 35 and the right roller 36 are used to reduce friction with the ground when the foldable stepladder 1 is unfolded and folded.
  • the radius of the roller is the shortened distance of the rear bottom longitudinal beams 14a and 15a (the diameter of the roller is calculated into the rear bottom longitudinal beam and is not greater than the overall thickness of the folded ladder).
  • the utility model provides a stepping equipment for assisting up and down the bed surface of the DSA equipment, including a stepping cabin and the foldable stepladder 1 as described above.
  • the stepladder 1 is folded into a plate-like structure and is stored in the stepladder cabin.
  • the step cabin 2a is buried in the ground or placed on the ground, and the top of the step cabin 2a is provided with a cover 201.
  • the upper part of the left rear top longitudinal beam 10 and the upper right rear top longitudinal beam 11 of the foldable stepladder are fixedly connected.
  • the foldable stepladder 1 also includes a ninth crossbar 32. The ends are respectively connected to the bottom end of the left front bottom diagonal beam 16 and the bottom end of the right front bottom diagonal beam 17, and the ninth cross bar 32 is rotatably connected to the bottom of the step cabin 2a.
  • the left rear top longitudinal beam 10 and the right rear top longitudinal beam 11 are fixed on the cover body 201, so that the cover body 201 is opened and closed in linkage to make the foldable treadle Ladder 1 is unfolded and folded.
  • the stepping cabin 2a is a plate-shaped rectangular parallelepiped shell structure
  • the cover body 201 is a flat plate or streamlined plate shape
  • the cover body 201 is connected to the stepping cabin 2a through a push-type lock structure.
  • the back of the step cabin 2b is fixed to the outer side of the base of the DSA equipment, and the side of the step cabin 2b is provided with a cabin door 202.
  • One side is hinged to the step ladder cabin 2b, the inner wall of the step ladder cabin 2b is provided with a plurality of telescopic rods 203 that can extend in the horizontal direction, and the left rear top longitudinal beam 10 of the foldable step ladder 1 And the right rear top longitudinal beam 11 is fixed on the telescopic rod 203, and the foldable step ladder 1 is connected by the telescopic rod 203 to extend out of the step ladder cabin 2b.
  • the telescopic rod 203 is selected from a piston-type telescopic rod or a track-type telescopic rod.
  • the number of the telescopic rods 203 is multiple, and the multiple telescopic rods 203 provide support and stability to the foldable stepladder 1 at the same time.
  • a spring structure for ejecting the foldable step ladder 1 when the cabin door 202 is opened.
  • the foldable step ladder 1 is provided with a handle on one side of the cabin door 202.
  • the cabin door 202 When using the step ladder device, the cabin door 202 is opened, and at the same time the spring structure partially ejects the foldable step ladder 1. At this time, the foldable step ladder 1 is removed from the step ladder by the handle. Pull out the cabin 2b, and then unfold the foldable stepladder 1 when it is in place; after use, fold the foldable stepladder 1. Then the foldable step ladder 1 is pushed to the step ladder cabin 2b, and the cabin door 202 is pressed again to close the cabin door 202.
  • the upper part of the left rear top longitudinal beam 10 and the upper right rear top longitudinal beam 11 of the foldable stepladder are fixed to a plate-like planar structure.
  • the foldable step ladder When the foldable step ladder is applied to the DSA equipment, the plate-like planar structure is fixed on the outer side of the base of the DSA equipment. When not in use, the foldable step ladder is in a folded state to reduce the occupied space. When it is necessary to use the foldable stepladder to get on and off the bed, the foldable stepladder 1 can be pulled down and unfolded to assist the patient in getting on and off the bed, and the foldable stepladder 1 can be recovered and folded in the opposite direction after use.
  • the back side is fixed to the outer side of the base of the DSA device, the fourth cross bar 27 is on the ground, and the ninth cross bar 32 can be pulled out when in use to unfold the step ladder. , After using it, apply force in the opposite direction to fold the stepladder.
  • the left roller 35 and the right roller 36 are located at the outermost part of the structure, and the inner layer is the left diagonal rod 33 and the right diagonal rod.
  • the inner layer of the tie rod 34 is the left rear bottom longitudinal beam 14a and the left front bottom diagonal beam 16, the right rear bottom longitudinal beam 15a and the right front bottom diagonal beam 17, and the inner layer is the left middle cross beam 20 and the right middle cross beam 21, the inner layers of which are the left rear middle longitudinal beam section 102 and the right rear middle longitudinal beam section 112; the inner layers are the left top cross beam 18 and the right top cross beam 19
  • the inner layer is the left middle longitudinal beam 12 and the right middle longitudinal beam 13, and the innermost layer is the left rear upper longitudinal beam section 101 and the right rear upper longitudinal beam section 111.
  • the left roller 35 and the right roller 36 are located on the backmost side of the structure. In other embodiments, as shown in FIG. 9, the left scroll wheel 35 and the right scroll wheel 36 are absent.

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Abstract

一种可折叠踏梯和踏梯设备，所述可折叠踏梯包括左后顶部纵梁（10）、右后顶部纵梁（11）、左中部纵梁（12）、右中部纵梁（13）、左后底部纵梁（14a）、右后底部纵梁（15a）、左前底部斜梁（16）、右前底部斜梁（17）、左顶部横梁（18）、右顶部横梁（19）、左中部横梁（20）、右中部横梁（21）、顶部踏板（22）和中部踏板（23）。所述可折叠踏梯折叠后呈一类板状结构，可有效节约导管室空间。

Description

一种可折叠踏梯及踏梯设备 技术领域
本实用新型属于医疗辅助装置技术领域，具体涉及一种可折叠踏梯及踏梯设备。
背景技术
在介入诊疗过程中，需要使用DSA(数字减影血管造影X线机)设备，但是DSA床面太高，患者上下床必须借助每个医院自制的踏梯或凳子，这些自制的踏梯或凳子形态笨拙，使用时搬来搬去，极为不便，同时又占用了导管室宝贵的空间。因此，设计一个占用空间小、不影响任何其它操作、使用方便的可折叠回收踏梯装置很有必要。
实用新型内容
针对现有DSA设备存在床面高、患者上下床困难的问题，本实用新型提供了一种可折叠踏梯及踏梯设备。
本实用新型解决上述技术问题所采用的技术方案如下：
一方面，本实用新型提供了一种可折叠踏梯，包括左后顶部纵梁、右后顶部纵梁、左中部纵梁、右中部纵梁、左后底部纵梁、右后底部纵梁、左前底部斜梁、右前底部斜梁、左顶部横梁、右顶部横梁、左中部横梁、右中部横梁、顶部踏板和中部踏板；所述左后顶部纵梁、所述右后顶部纵梁、所述左中部纵梁、所述右中部纵梁、所述左后底部纵梁和所述右后底部纵梁相平行，所述左顶部横梁、所述右顶部横梁、所述左中部横梁和所述右中部横梁相平行；所述左顶部横梁的背侧端与所述左后顶部纵梁的中部转动连接，所述左顶部横梁的前侧端与所述左中部纵梁的顶部转动连接；所述右顶部横梁的背侧端与所述右后顶部纵梁的中部转动连接，所述右顶部横梁的前侧端与所述右中部纵梁的顶部转动连接；所述左中部横梁的背侧端与所述左后顶部纵梁的底端转动连接，所述左中部横梁的中部与所述左中部纵梁的底端转动连接，所述左中部横梁的前侧端与所述左前底部斜梁的顶端转动连接；所述右中部横梁的背侧端与所述 右后顶部纵梁的底端转动连接，所述右中部横梁的中部与所述右中部纵梁的底端转动连接，所述右中部横梁的前侧端与所述右前底部斜梁的顶端转动连接；所述左后底部纵梁的顶部与所述左中部横梁的底部转动连接，所述右后底部纵梁的顶部与所述右中部横梁的底部转动连接，所述顶部踏板的两边分别连接所述左顶部横梁和所述右顶部横梁，所述中部踏板的两边分别连接于所述左中部横梁前段和所述右中部横梁前段。
可选的，所述左后底部纵梁的顶部与所述左中部横梁的背侧端转动连接，所述左后底部纵梁的顶端与所述左后顶部纵梁的底端固定连接；所述右后底部纵梁的顶部与所述右中部横梁的背侧端转动连接，所述右后底部纵梁的顶部与所述右后顶部纵梁的底部固定连接。
可选的，所述左后底部纵梁的顶部与所述左中部横梁的中部转动连接，所述右后底部纵梁的顶部与所述右中部横梁的中部转动连接。
可选的，所述可折叠踏梯还包括左斜拉杆和右斜拉杆，所述左斜拉杆的背侧端与所述左后底部纵梁的底端转动连接，所述左斜拉杆的前侧端与所述左前底部斜梁的中上部转动连接；所述右斜拉杆的背侧端与所述右后底部纵梁的底部转动连接，所述右斜拉杆的前侧端与所述右前底部斜梁的中上部转动连接。
可选的，所述左后顶部纵梁包括左后上纵梁段和左后中纵梁段，所述左后上纵梁段的底端和所述左后中纵梁段的顶端固定连接；所述右后顶部纵梁包括右后上纵梁段和右后中纵梁段，所述右后上纵梁段的底端和所述右后中纵梁段的顶端固定连接，所述可折叠踏梯还包括第一横杆、第二横杆、第三横杆、第四横杆、第五横杆、第六横杆、第七横杆、第八横杆和第九横杆，所述第一横杆的两端分别连接所述左后上纵梁段的顶端和所述右后上纵梁段的顶端；所述第二横杆的两端分别连接所述左后上纵梁段的底端和所述右后上纵梁段的底端，所述第三横杆的两端分别连接所述左后中纵梁段的底端和所述右后中纵梁段的底端，所述第四横杆的两端分别连接所述左后底部纵梁的底端和所述右后底部纵梁的底端；所述第五横杆的两端分别连接所述左中部纵梁的顶端和所述右中部纵梁的顶端，所述第六横杆的两端分别连接所述左中部纵梁的底端和所述右中部纵梁的底端；所述第七横杆的两端分别连接所述左前底部斜梁的顶端和所述右前底部斜梁的顶端，所述第八横杆的两端分别连接所述左前底部斜梁的中上部和所述右前底部斜梁的中上部，所述第九横杆的两端分别连接所述左前底部斜梁的底端和所述右前底部斜梁的底端；所述左后上纵梁段和所述右后 上纵梁段之间设置有上部竖板，所述左中部纵梁和所述右中部纵梁之间设置有中部竖板，所述左前底部斜梁和所述右前底部斜梁之间设置有底部竖板。
可选的，所述左后上纵梁段和所述左后中纵梁段通过中间轴段(40)相互固定连接，所述左后底部纵梁的顶端与所述左后顶部纵梁的底端通过中间轴段(42)固定连接，所述左后上纵梁段、所述左后中纵梁段和所述左后底部纵梁三者为一体成型结构，所述左中部横梁的背侧端与所述左后底部纵梁顶部的中间轴段(42)转动连接，所述左顶部横梁的背侧端与所述左后中纵梁段顶部的中间轴段(40)转动连接；所述右后上纵梁段和所述右后中纵梁段通过中间轴段(41)相互固定连接，所述右后底部纵梁的顶端与所述右后顶部纵梁的底端通过中间轴段(43)固定连接，所述右后上纵梁段、所述右后中纵梁段和所述右后底部纵梁三者为一体成型结构，所述右中部横梁的背侧端与所述右后底部纵梁顶部的中间轴段(43)转动连接，所述右顶部横梁的背侧端与所述右后中纵梁段顶部的中间轴段(41)转动连接。
可选的，所述左后底部纵梁的顶部与所述左中部纵梁通过中间轴段(44)相互固定连接，所述左后底部纵梁与所述左中部纵梁为一体成型结构，所述左中部横梁的中部与所述左后底部纵梁顶部的中间轴段(44)转动连接；所述右后底部纵梁的顶部与所述右中部纵梁通过中间轴段(45)相互固定连接，所述右后底部纵梁与所述右中部纵梁为一体成型结构，所述右中部横梁的中部与所述右后底部纵梁顶部的中间轴段(45)转动连接。
可选的，所述的可折叠踏梯的左后顶部纵梁的上部和右后顶部纵梁的上部固定于一板状平面结构。
可选的，所述可折叠踏梯在转动连接处设置有用于限制转动角度的限位件。
另一方面，本实用新型提供了一种踏梯设备，用于DSA设备辅助患者上下床，包括踏梯舱以及如上所述的可折叠踏梯，所述可折叠踏梯折叠后成类板状结构，收纳于所述踏梯舱中。
可选的，所述踏梯舱埋置于地面或者安置于地面上，所述踏梯舱的顶部设置有盖体，所述盖体的内面与所述可折叠踏梯的左后顶部纵梁的上部和右后顶部纵梁的上部固定连接；所述可折叠踏梯还包括第九横杆，所述第九横杆的两端分别连接所述左前底部斜梁的底端和所述右前底部斜梁的底端，所述第九横杆转动连接于所述踏梯舱的底部。
可选的，所述踏梯舱设置于DSA设备的底座外侧面，所述踏梯舱的侧部设 置有舱门，所述舱门的一侧铰接于所述踏梯舱上，所述踏梯舱的内壁上设置有可沿水平方向伸出的多根伸缩杆，所述可折叠踏梯的左后顶部纵梁和右后顶部纵梁固定于所述伸缩杆上，由所述伸缩杆带动所述可折叠踏梯伸出所述踏梯舱。
根据本实用新型提供的可折叠踏梯，通过多个纵杆、多个横杆以及多个踏板组合形成的可折叠踏梯结构，能够有效承载患者的重量，展开时操作方便，便于患者在DSA设备床面的上下，同时，当所述可折叠踏梯处于折叠状态时呈一板状或类板状结构，便于对所述可折叠踏梯进行收纳，从而有效减少对导管室空间的占用。
附图说明
图1是本实用新型一实施例提供的可折叠踏梯的结构示意图；
图2是本实用新型一实施例提供的可折叠踏梯的折叠状态示意图；
图3是图1中后部框架的结构示意图；
图4是本实用新型另一实施例提供的可折叠踏梯的结构示意图；
图5是本实用新型另一实施例提供的可折叠踏梯的折叠状态示意图；
图6是图4中后部框架和中部框架的结构示意图
图7是本实用新型一实施例提供的踏梯设备的结构示意图；
图8是本实用新型另一实施例提供的踏梯设备的结构示意图。
图9是本实用新型又一实施例提供的可折叠踏梯结构示意图。
说明书附图中的附图标记如下：
1、可折叠踏梯；10、左后顶部纵梁；101、左后上纵梁段；102、左后中纵梁段；11、右后顶部纵梁；111、右后上纵梁段；112、右后中纵梁段；12、左中部纵梁；13、右中部纵梁；14a、左后底部纵梁；14b、左后底部纵梁；15a、右后底部纵梁；15b、右后底部纵梁；16、左前底部斜梁；17、右前底部斜梁；18、左顶部横梁；19、右顶部横梁；20、左中部横梁；21、右中部横梁；22、顶部踏板；23、中部踏板；24、第一横杆；25、第二横杆；26、第三横杆；27、第四横杆；28、第五横杆；29、第六横杆；30、第七横杆；31、第八横杆；32、第九横杆；33、左斜拉杆；34、右斜拉杆；35、左滚轮；36、右滚轮；37、上部竖板；38、中部竖板；39、底部竖板；40、41、42、43、44、45、中间轴段；2a、踏梯舱；201、盖体；2b、踏梯舱；202、舱门；203、伸缩杆。
具体实施方式
为了使本实用新型所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
在本实用新型的描述中，需要理解的是，术语“背侧端”、“前侧端”均为特指，“背侧端”是指指向左后顶部纵梁和右后顶部纵梁所在的一端，“前侧端”是指与背侧端指向方向相反的另一端。
在本实用新型的描述中，术语“纵向”、“横向”、“顶”、“底”、“内”、“外”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，其中，“纵梁”即沿竖直方向延伸的梁，“横梁”即沿水平方向延伸的梁。
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。
参见图1所示，本实用新型的一实施例提供了一种可折叠踏梯1，包括左后顶部纵梁10、右后顶部纵梁11、左中部纵梁12、右中部纵梁13、左后底部纵梁14a、右后底部纵梁15a、左前底部斜梁16、右前底部斜梁17、左顶部横梁18、右顶部横梁19、左中部横梁20、右中部横梁21、顶部踏板22和中部踏板23，所述左后顶部纵梁10、所述右后顶部纵梁11、所述左中部纵梁12、所述右中部纵梁13、所述左后底部纵梁14a和所述右后底部纵梁15a相平行，所述左顶部横梁18、所述右顶部横梁19、所述左中部横梁20和所述右中部横梁21相平行，所述左顶部横梁18的背侧端与所述左后顶部纵梁10的中部转动连接，所述左顶部横梁18的前侧端与所述左中部纵梁12的顶部转动连接，所述右顶部横梁19的背侧端与所述右后顶部纵梁11的中部转动连接，所述右顶部横梁的前侧端与所述右中部纵梁13的顶部转动连接，所述左中部横梁20的背侧端与所述左后顶部纵梁10的底端转动连接，所述左中部横梁20的中部与所述左中部纵梁12的底端转动连接，所述左中部横梁20的前侧端与所述左前底部斜梁16的顶端转动连接，所述右中部横梁21的背侧端与所述右后顶部纵梁11的底端转动连接，所述右中部横梁21的中部与所述右中部纵梁13的底端转动连 接，所述右中部横梁21的前侧端与所述右前底部斜梁17的顶端转动连接，所述左后底部纵梁14a的顶部与所述左中部横梁20的底部转动连接，所述右后底部纵梁15a的顶部与所述右中部横梁21的底部转动连接，所述顶部踏板22的两边分别连接所述左顶部横梁18和所述右顶部横梁19，所述中部踏板23的两边分别连接于所述左中部横梁20前段和所述右中部横梁21前段。
需要说明的是，“转动连接”可通过多种方式实现，例如轴承、铰链、轴与孔间隙配合等，均应包括在本实用新型的保护范围之内。
优选情况下，所述左后顶部纵梁10与所述右后顶部纵梁11以所述可折叠踏梯1的中轴线对称设置，所述左中部纵梁12和所述右中部纵梁13以所述可折叠踏梯1的中轴线对称设置，所述左后底部纵梁14a和所述右后底部纵梁15a以所述可折叠踏梯1的中轴线对称设置，所述左前底部斜梁16和所述右前底部斜梁17以所述可折叠踏梯1的中轴线对称设置，所述左顶部横梁18和所述右顶部横梁19以所述可折叠踏梯1的中轴线对称设置，所述左中部横梁20和所述右中部横梁21以所述可折叠踏梯1的中轴线对称设置。
如图1所示，通过多个纵杆、多个横杆以及多个踏板组合形成的可折叠踏梯1稳定而牢固的结构，展开时呈一上窄下宽形态，能够有效承载患者的重量，展开和回收时操作方便，便于患者在DSA设备床面的上下。
如图2所示，当所述可折叠踏梯1处于折叠状态时呈一板状或类板状结构，便于对所述可折叠踏梯1进行收纳，从而有效减少对导管室空间的占用。
如图1和图4所示，在一些实施例中，为保证所述左后底部纵梁14b和所述左前底部斜梁16之间连接的稳定性，以及所述右后底部纵梁15b和所述右前底部斜梁17之间连接的稳定性，所述可折叠踏梯1还包括左斜拉杆33和右斜拉杆34，所述左斜拉杆33的背侧端与所述左后底部纵梁14b的底端转动连接，所述左斜拉杆33的前侧端与所述左前底部斜梁16的中上部转动连接，所述右斜拉杆34的背侧端与所述右后底部纵梁15b的底部转动连接，所述右斜拉杆34的前侧端与所述右前底部斜梁17的中上部转动连接。
以上仅为本实用新型的部分实施例，不应理解为对本实用新型的限制。
如图1所示，在一实施例中，所述左后顶部纵梁10包括左后上纵梁段101和左后中纵梁段102，所述左后上纵梁段101的底端和所述左后中纵梁段102的顶端固定连接，所述右后顶部纵梁11包括右后上纵梁段111和右后中纵梁段112，所述右后上纵梁段111的底端和所述右后中纵梁段112的顶端固定连接。
如图1和图3所示，在一实施例中，所述左后上纵梁段101和所述左后中纵梁段102通过中间轴段40相互固定连接，所述左后底部纵梁14a的顶端与所述左后顶部纵梁10的底端通过中间轴段42固定连接，三者为一体成型结构，所述左中部横梁20的背侧端与所述左后底部纵梁14a顶部的中间轴段42转动连接，所述左顶部横梁18的背侧端与所述左后中纵梁段102顶部的中间轴段40转动连接；所述右后上纵梁段111和所述右后中纵梁段112通过中间轴段41相互固定连接，所述右后底部纵梁15a的顶端与所述右后顶部纵梁11的底端通过中间轴段43固定连接，三者为一体成型结构，所述右中部横梁21的背侧端与所述右后底部纵梁15a顶部的中间轴段43转动连接，所述右顶部横梁19的背侧端与所述右后中纵梁段112顶部的中间轴段41转动连接。
如图4和图6所示，在另一实施例中，所述左后底部纵梁14b的顶部与所述左中部纵梁12通过中间轴段44相互固定连接，为一体成型结构，所述左中部横梁20的中部与所述左后底部纵梁14b顶部的中间轴段44转动连接；所述右后底部纵梁15b的顶部与所述右中部纵梁13通过中间轴段45相互固定连接，为一体成型结构，所述右中部横梁21的中部与所述右后底部纵梁15b顶部的中间轴段45转动连接。
图4所示的结构为图1所示结构的简化结构，可进一步减少所述可折叠踏梯1处于折叠状态所占的空间，如图5所示，图4所示的结构能够以更密集的形式进行折叠，折叠后的长度较短。
在本实施例中，所述左后上纵梁段101的底端和所述左后中纵梁段102的顶端通过中间轴段40相互固定连接，所述左顶部横梁18的背侧端转动连接于所述左后上纵梁段101的底端和所述左后中纵梁段102的顶端之间的中间轴段40；所述右后上纵梁段111的底端和所述右后中纵梁段112的顶端通过中间轴段41相互固定连接；所述右顶部横梁19的背侧端转动连接于所述右后上纵梁段111的底端和所述右后中纵梁段112的顶端之间的中间轴段41。
所述可折叠踏梯1还包括第一横杆24、第二横杆25、第三横杆26、第四横杆27、第五横杆28、第六横杆29、第七横杆30、第八横杆31和第九横杆32。所述第一横杆24的两端分别连接所述左后上纵梁段101的顶端和所述右后上纵梁段111的顶端；所述第二横杆25的两端分别连接所述左后上纵梁段101的底端和所述右后上纵梁段111的底端，与该处的中间轴段40、41同轴；所述第三横杆26的两端分别连接所述左后中纵梁段102的底端和所述右后中纵梁段112 的底端，与该处的中间轴段42、43同轴；所述第四横杆27的两端分别连接所述左后底部纵梁14a的底端和所述右后底部纵梁15a的底端。
所述第五横杆28的两端分别连接所述左中部纵梁12的顶端和所述右中部纵梁13的顶端；所述第六横杆29的两端分别连接所述左中部纵梁12的底端和所述右中部纵梁13的底端，与该处的中间轴段44、45同轴；所述第七横杆30的两端分别连接所述左前底部斜梁16的顶端和所述右前底部斜梁17的顶端；所述第八横杆31的两端分别连接所述左前底部斜梁16的中上部和所述右前底部斜梁17的中上部；所述第九横杆32的两端分别连接所述左前底部斜梁16的底端和所述右前底部斜梁17的底端。
所述第一横杆24、所述第二横杆25、所述第三横杆26、所述第四横杆27、所述第五横杆28、所述第六横杆29、所述第七横杆30、所述第八横杆31和所述第九横杆32用于提高所述可折叠踏梯1在各个位置上的支撑强度，并维持其形态。
所述左后上纵梁段101和所述右后上纵梁段111之间设置有上部竖板37，所述左中部纵梁12和所述右中部纵梁13之间设置有中部竖板38，所述左前底部斜梁16和所述右前底部斜梁17之间设置有底部竖板39。
在所有实施例中，为避免所述可折叠踏梯1处于展开状态时受力继续扩展或是产生折叠，所述可折叠踏梯在转动连接处设置有用于限制转动角度的限位件，可以理解的，在部分的“转动连接”的位置设置限位件即可保证所述可折叠踏梯1处于展开状态时的稳定性，例如，在一实施例中，在所述左顶部横梁18和所述左后顶部纵梁10转动连接的位置，以及所述左中部横梁20和所述左后底部纵梁14a转动连接的位置设置限位件。又如，在一实施例中，所述左中部横梁20和所述左后底部纵梁14b转动连接的位置，以及所述左中部纵梁12和所述左中部横梁20转动连接的位置设置限位件。
所述限位件可选自现有各类限位结构，如止挡片、卡扣结构等。
如图1所示，所述左后底部纵梁14a的底端连接有左滚轮35，所述右后底部纵梁15a的底端连接有右滚轮36。所述左滚轮35和所述右滚轮36用于减少所述可折叠踏梯1展开和折叠时与地面的摩擦。滚轮的半径即是后底部纵梁14a和15a缩短的距离(滚轮的直径计算入后底部纵梁内，不大于折叠后踏梯的整体厚度)。
如图7和图8所示，本实用新型提供了一种踏梯设备，用于DSA设备的床 面的辅助上下，包括踏梯舱以及如上所述的可折叠踏梯1，所述可折叠踏梯1折叠后成类板状结构，收纳于所述踏梯舱中。
如图7所示，在一实施例中，所述踏梯舱2a埋置于地面或者安置于地面上，所述踏梯舱2a的顶部设置有盖体201，所述盖体201内面与所述可折叠踏梯的左后顶部纵梁10的上部和右后顶部纵梁11的上部固定连接，所述可折叠踏梯1还包括第九横杆32，所述第九横杆32的两端分别连接所述左前底部斜梁16的底端和所述右前底部斜梁17的底端，所述第九横杆32转动连接于所述踏梯舱2a的底部。
在一些实施例中，所述左后顶部纵梁10和所述右后顶部纵梁11固定于所述盖体201上，以使所述盖体201开启和关闭时联动使所述可折叠踏梯1展开和折叠。
所述踏梯舱2a为板状长方体壳体结构，所述盖体201为平面板状或流线型板状，所述盖体201通过按压式锁结构与所述踏梯舱2a连接，使用时，按压所述盖体201，所述踏梯舱2a开启，将所述盖体201朝上方翻转，联动拉出所述可折叠踏梯1并展开，即可进行使用。使用完毕后，向相反方向将所述的折叠踏梯1折叠收纳于所述踏梯舱2a中，再次按压所述盖体201，所述踏梯舱2a关闭。
如图8所示，在一实施例中，所述踏梯舱2b背面设置固定于DSA设备的底座外侧面，所述踏梯舱2b的侧部设置有舱门202，所述舱门202的一侧铰接于所述踏梯舱2b上，所述踏梯舱2b的内壁上设置有可沿水平方向伸出的多根伸缩杆203，所述可折叠踏梯1的左后顶部纵梁10和右后顶部纵梁11固定于所述伸缩杆203上，由所述伸缩杆203连接所述可折叠踏梯1伸出所述踏梯舱2b。
所述伸缩杆203选自活塞型伸缩杆或轨道型伸缩杆。
所述伸缩杆203的数量为多个，多个伸缩杆203同时对所述可折叠踏梯1提供支撑稳定的作用。
在一些实施例中，在所述踏梯舱2b中，在舱门202的对侧，里面设置有用于在所述舱门202开启时，将所述可折叠踏梯1弹出的弹簧结构。
在一些实施例中，所述可折叠踏梯1位于所述舱门202的一侧设置有把手。
在使用所述踏梯设备时，开启所述舱门202，同时所述弹簧结构将所述可折叠踏梯1部分弹出，此时通过所述把手将所述可折叠踏梯1从所述踏梯舱2b中拉出，到位后，再将可折叠踏梯1展开；使用完毕后，折叠所述可折叠踏梯1。 然后将所述可折叠踏梯1推向踏梯舱2b，再次按压舱门202，将舱门202关闭。
如图9所示，所述可折叠踏梯的左后顶部纵梁10的上部和右后顶部纵梁11的上部固定于一板状平面结构。
在应用所述可折叠踏梯于DSA设备上时，将所述板状平面结构固定于DSA设备的底座外侧面，在不使用时，所述可折叠踏梯处于折叠状态以减少占用空间，当需要使用所述可折叠踏梯上下床位时，可将所述可折叠踏梯1下拉展开，辅助患者上下床位，使用完毕后向相反方向回收折叠。
在本实施例中，所述踏梯折叠后，背面设置固定于DSA设备的底座外侧面，所述第四横杆27着地，使用时外拉所述第九横杆32即可将踏梯展开，用毕向相反方向用力，即可将踏梯折叠。
在一些实施例中，如图1至图7所示，所述的左滚轮35和所述的右滚轮36位于结构最外侧，其内层是所述的左斜拉杆33和所述的右斜拉杆34，其内层是所述左后底部纵梁14a和所述左前底部斜梁16、所述右后底部纵梁15a和所述右前底部斜梁17，其内层是所述左中部横梁20和所述右中部横梁21，其内层是所述左后中纵梁段102和所述右后中纵梁段112；其内层是所述左顶部横梁18和所述右顶部横梁19，其内层是所述左中部纵梁12和所述右中部纵梁13，最内层是所述左后上纵梁段101和所述右后上纵梁段111。
在另一些实施例中，如图8所示，所述的左滚轮35和所述的右滚轮36位于结构最背侧。而在另一些实施利中，如图9所示，无所述的左滚轮35和所述的右滚轮36。
以上所述仅为本实用新型的较佳实施例两步踏梯而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (12)

  1. 一种可折叠踏梯，其特征在于，包括左后顶部纵梁、右后顶部纵梁、左中部纵梁、右中部纵梁、左后底部纵梁、右后底部纵梁、左前底部斜梁、右前底部斜梁、左顶部横梁、右顶部横梁、左中部横梁、右中部横梁、顶部踏板和中部踏板；所述左后顶部纵梁、所述右后顶部纵梁、所述左中部纵梁、所述右中部纵梁、所述左后底部纵梁和所述右后底部纵梁相平行，所述左顶部横梁、所述右顶部横梁、所述左中部横梁和所述右中部横梁相平行；所述左顶部横梁的背侧端与所述左后顶部纵梁的中部转动连接，所述左顶部横梁的前侧端与所述左中部纵梁的顶部转动连接；所述右顶部横梁的背侧端与所述右后顶部纵梁的中部转动连接，所述右顶部横梁的前侧端与所述右中部纵梁的顶部转动连接；所述左中部横梁的背侧端与所述左后顶部纵梁的底端转动连接，所述左中部横梁的中部与所述左中部纵梁的底端转动连接，所述左中部横梁的前侧端与所述左前底部斜梁的顶端转动连接；所述右中部横梁的背侧端与所述右后顶部纵梁的底端转动连接，所述右中部横梁的中部与所述右中部纵梁的底端转动连接，所述右中部横梁的前侧端与所述右前底部斜梁的顶端转动连接；所述左后底部纵梁的顶部与所述左中部横梁的底部转动连接，所述右后底部纵梁的顶部与所述右中部横梁的底部转动连接，所述顶部踏板的两边分别连接所述左顶部横梁和所述右顶部横梁，所述中部踏板的两边分别连接于所述左中部横梁前段和所述右中部横梁前段。
  2. 根据权利要求1所述的可折叠踏梯，其特征在于，所述左后底部纵梁的顶部与所述左中部横梁的背侧端转动连接，所述左后底部纵梁的顶部与所述左后顶部纵梁的底部固定连接；所述右后底部纵梁的顶部与所述右中部横梁的背侧端转动连接，所述右后底部纵梁的顶部与所述右后顶部纵梁的底部固定连接。
  3. 根据权利要求1所述的可折叠踏梯，其特征在于，所述左后底部纵梁的顶部与所述左中部横梁的中部转动连接，所述右后底部纵梁的顶部与所述右中部横梁的中部转动连接。
  4. 根据权利要求2或3所述的可折叠踏梯，其特征在于，所述可折叠踏梯 还包括左斜拉杆和右斜拉杆，所述左斜拉杆的背侧端与所述左后底部纵梁的底端转动连接，所述左斜拉杆的前侧端与所述左前底部斜梁的中上部转动连接；所述右斜拉杆的背侧端与所述右后底部纵梁的底部转动连接，所述右斜拉杆的前侧端与所述右前底部斜梁的中上部转动连接。
  5. 根据权利要求1所述的可折叠踏梯，其特征在于，所述左后顶部纵梁包括左后上纵梁段和左后中纵梁段，所述左后上纵梁段的底端和所述左后中纵梁段的顶端固定连接；所述右后顶部纵梁包括右后上纵梁段和右后中纵梁段，所述右后上纵梁段的底端和所述右后中纵梁段的顶端固定连接，所述可折叠踏梯还包括第一横杆、第二横杆、第三横杆、第四横杆、第五横杆、第六横杆、第七横杆、第八横杆和第九横杆，所述第一横杆的两端分别连接所述左后上纵梁段的顶端和所述右后上纵梁段的顶端；所述第二横杆的两端分别连接所述左后上纵梁段的底端和所述右后上纵梁段的底端，所述第三横杆的两端分别连接所述左后中纵梁段的底端和所述右后中纵梁段的底端，所述第四横杆的两端分别连接所述左后底部纵梁的底端和所述右后底部纵梁的底端；所述第五横杆的两端分别连接所述左中部纵梁的顶端和所述右中部纵梁的顶端，所述第六横杆的两端分别连接所述左中部纵梁的底端和所述右中部纵梁的底端；所述第七横杆的两端分别连接所述左前底部斜梁的顶端和所述右前底部斜梁的顶端，所述第八横杆的两端分别连接所述左前底部斜梁的中上部和所述右前底部斜梁的中上部，所述第九横杆的两端分别连接所述左前底部斜梁的底端和所述右前底部斜梁的底端；所述左后上纵梁段和所述右后上纵梁段之间设置有上部竖板，所述左中部纵梁和所述右中部纵梁之间设置有中部竖板，所述左前底部斜梁和所述右前底部斜梁之间设置有底部竖板。
  6. 根据权利要求5所述的可折叠踏梯，特征在于，所述左后上纵梁段和所述左后中纵梁段通过中间轴段(40)相互固定连接，所述左后底部纵梁的顶端与所述左后顶部纵梁的底端通过中间轴段(42)固定连接，所述左后上纵梁段、所述左后中纵梁段和所述左后底部纵梁三者为一体成型结构，所述左中部横梁的背侧端与所述左后底部纵梁顶部的中间轴段(42)转动连接，所述左顶部横梁的背侧端与所述左后中纵梁段顶部的中间轴段(40)转动连接；所述右后上纵梁段和所述右后中纵梁段通过中间轴段(41)相互固定连接，所述右后底部 纵梁的顶端与所述右后顶部纵梁的底端通过中间轴段(43)固定连接，所述右后上纵梁段、所述右后中纵梁段和所述右后底部纵梁三者为一体成型结构，所述右中部横梁的背侧端与所述右后底部纵梁顶部的中间轴段(43)转动连接，所述右顶部横梁的背侧端与所述右后中纵梁段顶部的中间轴段(41)转动连接。
  7. 根据权利要求5所述的可折叠踏梯，特征在于，所述左后底部纵梁的顶部与所述左中部纵梁通过中间轴段(44)相互固定连接，所述左后底部纵梁与所述左中部纵梁为一体成型结构，所述左中部横梁的中部与所述左后底部纵梁顶部的中间轴段(44)转动连接；所述右后底部纵梁的顶部与所述右中部纵梁通过中间轴段(45)相互固定连接，所述右后底部纵梁与所述右中部纵梁为一体成型结构，所述右中部横梁的中部与所述右后底部纵梁顶部的中间轴段(45)转动连接。
  8. 根据权利要求1或2所述的可折叠踏梯，特征在于，所述的可折叠踏梯的左后顶部纵梁的上部和右后顶部纵梁的上部固定于一板状平面结构。
  9. 根据权利要求1所述的可折叠踏梯，其特征在于，所述可折叠踏梯在转动连接处设置有用于限制转动角度的限位件。
  10. 一种踏梯设备，用于DSA设备辅助患者上下床，其特征在于，包括踏梯舱以及如权利要求1～9任意一项所述的可折叠踏梯，所述可折叠踏梯折叠后成类板状结构，收纳于所述踏梯舱中。
  11. 根据权利要求10所述的踏梯设备，其特征在于，所述踏梯舱埋置于地面或者安置于地面上，所述踏梯舱的顶部设置有盖体，所述盖体的内面与所述可折叠踏梯的左后顶部纵梁的上部和右后顶部纵梁的上部固定连接；所述可折叠踏梯还包括第九横杆，所述第九横杆的两端分别连接所述左前底部斜梁的底端和所述右前底部斜梁的底端，所述第九横杆转动连接于所述踏梯舱的底部。
  12. 根据权利要求10所述的踏梯设备，其特征在于，所述踏梯舱设置于DSA设备的底座外侧面，所述踏梯舱的侧部设置有舱门，所述舱门的一侧铰接于所述踏梯舱上，所述踏梯舱的内壁上设置有可沿水平方向伸出的多根伸缩杆， 所述可折叠踏梯的左后顶部纵梁和右后顶部纵梁固定于所述伸缩杆上，由所述伸缩杆带动所述可折叠踏梯伸出所述踏梯舱。
PCT/CN2020/106063 2020-06-11 2020-07-31 一种可折叠踏梯及踏梯设备 WO2021248658A1 (zh)

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