Hydraulic lifting structure and shifting machine thereof

Abstract

The utility model discloses a hydraulic lifting structure and a shifting machine thereof, the hydraulic lifting structure comprises a supporting frame and a seat, a lifting block is arranged on the surface of the supporting frame in a sliding mode, and a hydraulic mechanism is arranged between the supporting frame and the lifting block to achieve position adjustment of the lifting block. According to the hydraulic lifting structure and the shifting machine thereof, the hydraulic device body capable of rotating is arranged between the supporting frame and the seat, one end of the piston rod in the hydraulic device body can be separated from the bottom face of the seat through the shaft and the groove, and the clamping columns capable of rotating are arranged in the hydraulic device body and the supporting frame; clamping grooves capable of making contact with the surfaces of the clamping rods are formed in the surfaces of the clamping columns, when the surfaces of the clamping rods protrude and are clamped into the clamping grooves, secondary rotation of the clamping columns can be limited through the positions of the clamping rods, then the hydraulic press body can be rotated to a certain angle in the using process, it is guaranteed that no obstacle exists on the front side of the supporting frame in the using process, and the practicability is high. The movement and the use are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of transfer machines, in particular to a hydraulic lifting structure and a transfer machine thereof. Background Art

[0002] A transfer machine is an assistive device that is mainly used to help people with limited mobility to move around.

[0003] The reference patent name is: A hydraulic lifting structure of a shift machine (patent publication number: CN215875449U, patent publication date: 2022-02-22), including a hydraulic lifting device base, a support assembly arranged on the base, and a bearing assembly connected to the support assembly and used to carry a user; the support assembly includes a support rod and a telescopic rod; the support rod is fixedly arranged on the base; the telescopic rod is telescopically arranged on the support rod and is connected to the bearing assembly; the hydraulic lifting device includes a hydraulic press, a lifting rod and a pressing drive member; the hydraulic press is arranged on the base; the pressing drive member is movably arranged on the hydraulic press, and changes the pressure generated by the hydraulic press when it is active, and drives the lifting rod to lift and lower on the hydraulic press; the lifting rod is transmission-connected to the telescopic rod, and drives the telescopic rod to move telescopically on the support rod during the lifting activity, so as to realize the up and down lifting of the bearing assembly relative to the base, so as to reduce the manpower output of the caregiver and improve the user experience.

[0004] However, when implementing the above technical scheme, there are the following problems: the above scheme can realize the flexible change of the load-bearing position through the pressing structure and the hydraulic device, but the above device is more difficult to assist the user to sit on the base. The seat back position of the device in the above scheme can be rotated. When in use, the user needs to be moved to the surface of the shifting machine seat through the rear side, but there is a hydraulic cylinder of a certain width on the front side. When moving, it is also necessary to pay attention to the front side not causing damage to the user. Therefore, when the user moves to the seat surface, he needs to pay attention to the placement of the body and there is a risk of injury. For this reason, the utility model provides a hydraulic lifting structure and a shifting machine thereof. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a hydraulic lifting structure and a transfer machine thereof, which solve the problem that when a user of a transfer machine with a hydraulic lifting structure moves to a seat surface, the user needs to pay attention to the position of the body and there are certain risks.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hydraulic lifting structure, including a support frame and a seat, a lifting block is slidably provided on the surface of the support frame, a hydraulic mechanism is provided between the support frame and the lifting block to adjust the position of the lifting block, an adjustment component is provided between the lifting block and the seat to adjust the proportion of the device, and the hydraulic mechanism includes:

[0007] A hydraulic assembly is arranged on the surface of the support frame to realize mobile driving, and includes a hydraulic device body that rotates with the surface of the support frame, a connecting block is fixedly arranged on the surface of the hydraulic device body, and a rotating assembly is arranged between the connecting block and the support frame to realize position change;

[0008] A rotating assembly is arranged between the connecting block and the supporting frame to realize position rotation, and includes a locking column fixed to the surface of the connecting block, a locking groove can be used on the surface of the locking column, a locking rod is provided for internal rotation of the supporting frame, a rotating spring is fixed between the locking rod and the supporting frame, and a supporting assembly is provided between the locking rod and the supporting frame to realize height fixation.

[0009] Preferably, the adjusting assembly comprises an adjusting block which slides inside the lifting block, and a threaded rod is rotatably connected inside the lifting block.

[0010] Preferably, a limit assembly is provided between the lifting block and the threaded rod to achieve rotation limitation.

[0011] Preferably, the limiting assembly includes a limiting column sliding with the surface of the threaded rod, a limiting groove is provided on the surface of the threaded rod, and a limiting spring is fixedly connected between the limiting column and the threaded rod.

[0012] Preferably, the support assembly includes a support rod that slides inside the support frame, and the support frame is internally provided with an arc-shaped rod for sliding.

[0013] The present embodiment further discloses a transfer machine with a hydraulic lifting structure, the transfer machine comprising a transfer machine seat cushion fixed to a seat surface, the seat surface being rotatably connected to a protection rod, and fixing buckles being fixedly connected between the protection rods.

[0014] Beneficial Effects

[0015] The utility model provides a hydraulic lifting structure and a shifting machine thereof. Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) The hydraulic lifting structure and its shifting machine are characterized by arranging a rotatable hydraulic body between the support frame and the seat, wherein one end of the piston rod in the hydraulic body can be separated from the bottom surface of the seat through an axis and a groove, and a rotatable clamping column is arranged inside the hydraulic body and the support frame, and a clamping groove that can contact the surface of the clamping rod is provided on the surface of the clamping column. When the surface of the clamping rod protrudes and is clamped into the inside of the clamping groove, the position of the clamping rod can limit the further rotation of the clamping column, and then the hydraulic body can be rotated to a certain angle when in use, thereby ensuring that there is no obstacle in front of the support frame when in use, and facilitating movement and use.

[0017] (2) The hydraulic lifting structure and its shifting machine can adjust the position of the seat on the surface of the support frame by means of a sliding adjustment block between the support frame and the seat, thereby changing the distance between the seat and the footrest at the bottom of the support frame and the operating position at the top. Therefore, when in use, the seat can be flexibly moved according to the upper and lower proportions of the user so that the user can move comfortably and hold the handle. When adjusting the seat position, the rotation can be driven by pulling the limit column on the surface of the threaded rod and then rotating it. When the limit column returns to its position, its change will not drive the threaded rod to rotate, thus simplifying the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural stereogram of the utility model;

[0019] Figure 2 It is a three-dimensional structural cross-sectional view of the hydraulic mechanism of the utility model;

[0020] Figure 3 This is a three-dimensional structural exploded view of the clamping column of the utility model;

[0021] Figure 4 It is a three-dimensional structural cross-sectional view of the threaded rod of the utility model;

[0022] Figure 5 It is a three-dimensional structural exploded view of the limiting component of the utility model.

[0023] In the figure: 1-support frame, 2-seat, 3-lifting block, 4-hydraulic mechanism, 41-hydraulic body, 42-connecting block, 43-clamping column, 44-clamping groove, 45-clamping rod, 46-rotation spring, 5-adjusting assembly, 51-adjusting block, 52-threaded rod, 53-limiting assembly, 531-limiting column, 532-limiting groove, 533-limiting spring, 6-support assembly, 61-support rod, 62-arc rod, 7-step machine seat cushion, 8-protective rod, 9-fixing buckle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 , the utility model provides two technical solutions:

[0026] Embodiment 1

[0027] A hydraulic lifting structure includes a support frame 1 and a seat 2. A moving wheel is fixed on the surface of the support frame 1. The seat 2 includes a support structure and a rotating and clamping structure that are the same as the reference structure to realize a detachable seat. A lifting block 3 is slidingly provided on the surface of the support frame 1. A hydraulic mechanism 4 is provided between the support frame 1 and the lifting block 3 to realize position adjustment of the lifting block 3. An adjustment component 5 is provided between the lifting block 3 and the seat 2 to realize proportional adjustment of the shifting machine. The hydraulic mechanism 4 includes:

[0028] A hydraulic assembly is arranged on the surface of the support frame 1 to realize mobile drive, including a hydraulic body 41 that rotates with the surface of the support frame 1, the hydraulic body 41 includes a hydraulic cylinder, a piston rod, and a control rod that can control the piston rod to slide inside the hydraulic cylinder through movement, one end of the piston rod is slidably connected to the bottom of the seat 2 through an axis and a groove, a connecting block 42 is fixedly provided on the surface of the hydraulic body 41, and a rotating assembly is arranged between the connecting block 42 and the support frame 1 to realize position change;

[0029] A rotating assembly is arranged between the connecting block 42 and the supporting frame 1 to realize position rotation, including a fastening column 43 fixed to the surface of the connecting block 42, the fastening column 43 is connected to the internal rotation of the supporting frame 1, a fastening groove 44 can be used on the surface of the fastening column 43, and a fastening rod 45 is provided for internal rotation of the supporting frame 1, and the fastening rod 45 can contact the inner surface of the fastening groove 44 by rotation, a rotating spring 46 is fixed between the fastening rod 45 and the supporting frame 1, and a supporting assembly 6 is provided between the fastening rod 45 and the supporting frame 1 to realize height fixation;

[0030] A rotatable hydraulic body 41 is arranged between the support frame 1 and the seat 2, and one end of the piston rod in the hydraulic body 41 can be separated from the bottom surface of the seat 2 through the shaft and the groove, and a rotatable fastening column 43 is arranged inside the hydraulic body 41 and the support frame 1, and a fastening groove 44 that can contact the surface of the fastening rod 45 is provided on the surface of the fastening column 43. When the surface of the fastening rod 45 protrudes and snaps into the inside of the fastening groove 44, the rotation of the fastening column 43 can be limited by the position of the fastening rod 45, and then the hydraulic body 41 can be rotated to a certain angle when in use, to ensure that there is no obstacle on the front side of the support frame 1 when in use, so as to facilitate movement and use.

[0031] Embodiment 2

[0032] The main difference from the first embodiment is:

[0033] A hydraulic lifting structure, the adjustment component 5 includes an adjustment block 51 that slides inside the lifting block 3, the adjustment block 51 and the seat 2 are fixed in position by a screw nut, the lifting block 3 is internally rotatably connected with a threaded rod 52, the surface of the threaded rod 52 is rotatably connected to the inside of the adjustment block 51, a limiting component 53 is arranged between the lifting block 3 and the threaded rod 52 to limit the rotation, the limiting component 53 includes a limiting column 531 that slides with the surface of the threaded rod 52, the surface of the threaded rod 52 is provided with a limiting groove 532, the limiting groove 532 is L-shaped, the surface of the limiting column 531 protrudes and can be slidably connected with the inner surface of the limiting groove 532, a limiting spring 533 is fixedly connected between the limiting column 531 and the threaded rod 52, and the support component 6 It includes a support rod 61 that slides inside the support frame 1. The support frame 1 is internally slidably provided with an arc rod 62. One end of the support rod 61 is slidably connected to the surface of the arc rod 62 through a groove and an axis. The position of the seat 2 on the surface of the support frame 1 is adjusted by a slidable adjustment block 51 between the support frame 1 and the seat 2. The distance between the seat 2 and the lower footrest and the upper operating position of the support frame 1 can be changed, so that when in use, the user can move comfortably according to the upper and lower proportions of the user and can hold the handle. When adjusting the position of the seat 2, the rotation can be driven by pulling the limit column 531 on the surface of the threaded rod 52 and rotating it again. The limit column 531 restores its position and its change will not drive the threaded rod 52 to rotate, so the restriction operation is simple.

[0034] The present embodiment also discloses a transfer machine with a hydraulic lifting structure, which includes a transfer machine seat cushion 7 fixed to the surface of a seat 2, a groove is provided on the surface of the transfer machine seat cushion 7, a toilet is connected to the corresponding position of the groove by sliding a rod, and a protective rod 8 is rotatably connected to the surface of the seat 2, and fixing buckles 9 are fixedly connected between the protective rods 8.

[0035] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] During operation, first install the step machine seat cushion 7 and the protective rod 8 to the surface of the seat 2. At this time, the fixing buckles 9 between the protective rods 8 do not contact each other. At this time, the position of the seat 2 can be adjusted according to the user's proportion, and the limit column 531 is slid upward, so that the rotation of the limit column 531 can drive the threaded rod 52 to rotate. At this time, the limit column 531 can be rotated. Under the action of the thread, the rotation of the threaded rod 52 will cause the seat 2 to move. After the position of the seat 2 is adjusted, the arc rod 62 is pushed to cause the support rod 61 to move downward, and then the locking rod 45 can be pressed downward. The surface of the locking column 43 is disengaged from the inner surface of the locking groove 44. At this time, the hydraulic machine body 41 can be rotated, and then the user is placed on the surface of the seat 2, and the protective rod 8 is fixed by the fixing buckle 9. The position of the hydraulic machine body 41 and the position of the support rod 61 are restored again, and then it can be used.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic lifting structure, comprising a support frame (1) and a seat (2), characterized in that: A lifting block (3) is slidably disposed on the surface of the support frame (1); a hydraulic mechanism (4) is disposed between the support frame (1) and the lifting block (3) to adjust the position of the lifting block (3); an adjustment component (5) is disposed between the lifting block (3) and the seat (2) to adjust the proportion of the device; the hydraulic mechanism (4) comprises: A hydraulic assembly is arranged on the surface of the support frame (1) to realize mobile driving, and comprises a hydraulic device body (41) that rotates with the surface of the support frame (1), a connecting block (42) is fixedly provided on the surface of the hydraulic device body (41), and a rotating assembly is arranged between the connecting block (42) and the support frame (1) to realize position change; A rotating assembly is arranged between a connecting block (42) and a supporting frame (1) to realize position rotation, and comprises a locking column (43) fixed to the surface of the connecting block (42); a locking groove (44) can be used on the surface of the locking column (43); a locking rod (45) is provided inside the supporting frame (1) for rotation; a rotating spring (46) is fixed between the locking rod (45) and the supporting frame (1); and a supporting assembly (6) is provided between the locking rod (45) and the supporting frame (1) to realize height fixation.

2. A hydraulic lifting structure according to claim 1, characterized in that: The adjustment assembly (5) comprises an adjustment block (51) which slides inside the lifting block (3), and a threaded rod (52) is rotatably connected inside the lifting block (3).

3. A hydraulic lifting structure according to claim 2, characterized in that: A limit assembly (53) is provided between the lifting block (3) and the threaded rod (52) to achieve rotation limitation.

4. A hydraulic lifting structure according to claim 3, characterized in that: The limiting assembly (53) comprises a limiting column (531) which slides with the surface of the threaded rod (52); a limiting groove (532) is provided on the surface of the threaded rod (52); and a limiting spring (533) is fixedly connected between the limiting column (531) and the threaded rod (52).

5. The hydraulic lifting structure according to claim 1, characterized in that: The support assembly (6) comprises a support rod (61) that slides inside the support frame (1), and an arc-shaped rod (62) is slidably provided inside the support frame (1).

6. The hydraulic lifting structure of the transfer machine according to claim 1, characterized in that: The transfer machine comprises a transfer machine seat cushion (7) fixed to the surface of a seat (2); the surface of the seat (2) is rotatably connected to a protection rod (8); and fixing buckles (9) are fixedly connected between the protection rods (8).

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