Electric shifting machine

Abstract

The utility model relates to the field of shifting machines, in particular to an electric shifting machine which comprises a moving base, a seat mechanism and a lifting mechanism. The seat mechanism comprises a hanging belt and two oppositely-arranged hanging arms, the two ends of the hanging belt are detachably connected to the two hanging arms respectively, the front ends of the hanging arms extend to the front side of the telescopic rod and are connected with the telescopic rod, a supporting block is arranged on the rear side face of the telescopic rod to support the hanging arms, and a lever structure is formed. When the lifting arm is used, the other end of the lifting arm bears downward pressure, the supporting block serves as a supporting point, limiting force is applied to the lifting arm through the connecting structure between the front end of the lifting arm and the telescopic rod, the length of a force arm of the limiting force is increased, the stability of the lifting arm in the using state is ensured, the overall structural strength is improved, and breakage and falling are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of displacement machine, concretely relates to a kind of electric displacement machine. BACKGROUND

[0002] Displacement machine is a kind of medical equipment specially designed to help the disabled (such as paralyzed old people, severely disabled patients, etc.) to transfer position. Its basic principle is to bear the weight of human body through mechanical device, and realize safe and convenient transfer. Displacement machine is usually composed of seat, lifting device and moving chassis, etc. The lifting device drives the seat to rise or fall to meet the transfer needs between different height devices such as bed, wheelchair and toilet. The moving chassis carries the user to move, which is convenient for the user to transfer position.

[0003] For example, the application number is CN201910941350.0, and the name is a kind of displacement machine. The end of the seat plate is connected with the opposite side of the left and right supporting rods respectively. The connection position between the seat plate and the supporting rod is directly stressed in the sitting state of the user, which is easy to break and fall off, and has safety hazard. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of electric displacement machine, to improve the problem that the connection between the seat plate and the supporting rod of conventional displacement machine exists safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] An electric displacement machine, comprising a moving base, a seat mechanism and a lifting mechanism;

[0007] The lifting mechanism comprises a driving assembly and a telescopic assembly, the telescopic assembly comprises two groups of telescopic rods and a connecting rod connected between the telescopic rods, the bottom end of the telescopic rod is fixed on the moving base, the top end of the driving assembly is hinged with the connecting rod, and the driving end of the driving assembly extends downward and is hinged with the moving base;

[0008] The seat mechanism comprises a sling and two oppositely arranged lifting arms, the two ends of the sling are detachably connected to the two lifting arms respectively, the ends of the two lifting arms extend to the front side of the two groups of telescopic rods respectively and are connected with the telescopic rods, the rear side of the telescopic rod is fixed with a supporting block, and the supporting block is located below the lifting arm and in abutting contact with the lifting arm.

[0009] Further, the telescopic rod comprises a telescopic sleeve and a telescopic guide pipe, the bottom end of the telescopic guide pipe is fixed on the moving base, and the telescopic sleeve is sleeved on the side of the telescopic guide pipe and fixedly connected with the connecting rod;

[0010] The front side of the telescopic sleeve is fixed with a detachable connecting piece, and the end of the hanging arm is connected with the detachable connecting piece; the support block is fixed on the rear side of the telescopic sleeve, a support groove is formed in the support block, and the end side of the hanging arm is embedded in the support groove.

[0011] Further, the detachable connecting piece comprises a plug pipe which is horizontally fixed on the front side of the telescopic sleeve, and the end of the hanging arm is provided with an outwardly extending plug rod which is inserted into the plug pipe.

[0012] Further, the hanging arm is fixed with a hoisting assembly, the hoisting assembly comprises a hoisting plate and a lifting ring, the hoisting plate is fixed on the middle part of the hanging arm and extends downward, a lifting hole is formed in the hoisting plate, and the lifting ring is inserted into the lifting hole.

[0013] The end of the lifting belt is provided with a hoisting connecting piece which is connected with the lifting ring.

[0014] Further, the rear ends of the two hanging arms are provided with a stabilizing connecting piece.

[0015] Further, the stabilizing connecting piece comprises a body, plug-in parts extending downward are arranged on the two sides of the body,

[0016] The rear end of the hanging arm is provided with a plug hole, and the plug-in part is inserted into the plug hole.

[0017] Further, the movable base comprises a seat body, a mounting pipe is arranged on the seat body, the end of the telescopic guide pipe is embedded in the mounting pipe and is fixedly connected with the seat body, and the bottom end of the telescopic sleeve abuts against the top end of the mounting pipe.

[0018] Further, the movable base further comprises at least one bottom rod, one end of the bottom rod is hingedly connected to the seat body and is located below the seat mechanism, and the other end of the bottom rod and the bottom surface of the seat body are both provided with movable wheels.

[0019] Further, the driving assembly comprises a driving box, a control circuit board and an electric push rod module are arranged in the driving box,

[0020] The driving end of the electric push rod module extends downward and is hingedly connected with the movable base, and the top of the electric push rod module is hingedly connected with the connecting rod through the driving box.

[0021] The control circuit board is electrically connected with the electric push rod module, a control handle is arranged on the outer side of the driving box, and the control handle is electrically connected with the control circuit board.

[0022] Further, a power supply lithium battery is arranged in the driving box, and the power supply lithium battery is electrically connected with the control circuit board and the electric push rod module.

[0023] Compared with the background art, the utility model has the advantages that:

[0024] 1、The front end of the boom extends to the front side of the telescopic rod and is connected with the telescopic rod, a support block is arranged on the rear side of the telescopic rod to support the boom, a lever structure is formed, the other end of the boom is subjected to downward pressure in the use state, the support block is taken as a support point, a limiting force is applied to the boom through the connecting structure between the front end of the boom and the telescopic rod, the length of the force arm of the limiting force is lengthened, the stability of the boom in the use state is ensured, the overall structural strength is improved, and the breakage and falling are avoided.

[0025] 2、The boom is detachably connected with the sling through relative arrangement, the sling is convenient to take off before use, a larger entering space is provided for the user, meanwhile, the boom is located on both sides to protect the user, the user can stand and wait to sit on the sling after the installation of the sling is completed, the number of auxiliary personnel is effectively reduced, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the electric shifting machine;

[0027] Figure 2 It is a structural schematic view of the electric shifting machine;

[0028] Figure 3 It is a structural schematic view of the electric shifting machine;

[0029] Figure 4 It is a structural schematic view of the electric shifting machine;

[0030] Figure 5 It is a structural schematic view of the electric shifting machine;

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1、The front end of the boom extends to the front side of the telescopic rod and is connected with the telescopic rod, a support block is arranged on the rear side of the telescopic rod to support the boom, a lever structure is formed, the other end of the boom is subjected to downward pressure in the use state, the support block is taken as a support point, a limiting force is applied to the boom through the connecting structure between the front end of the boom and the telescopic rod, the length of the force arm of the limiting force is lengthened, the stability of the boom in the use state is ensured, the overall structural strength is improved, and the breakage and falling are avoided.

[0033] 2、The boom is detachably connected with the sling through relative arrangement, the sling is convenient to take off before use, a larger entering space is provided for the user, meanwhile, the boom is located on both sides to protect the user, the user can stand and wait to sit on the sling after the installation of the sling is completed, the number of auxiliary personnel is effectively reduced, and the use is more convenient.

[0034] 3, lifting mechanism; 31, driving assembly; 311, driving box; 3111, control circuit board; 3112, electric push rod module; 3113, control handle; 3114, power supply lithium battery; 32, telescopic assembly; 321, telescopic rod; 3211, telescopic sleeve; 3212, telescopic guide pipe; 3213, cannula; 322, connecting rod; 323, support block; 3231, support groove. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0036] In addition, it should be noted that: the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements of the utility model must have a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0037] When an element is referred to as "fixed to" or "provided with" or "provided in" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] Unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] Embodiment

[0040] Please refer to Figures 1-5As shown, the embodiment provides an electric shifting machine, which comprises a moving base 1, a seat mechanism 2 and a lifting mechanism 3. The lifting mechanism 3 comprises a driving assembly 31 and a telescopic assembly 32, the telescopic assembly 32 comprises two groups of telescopic rods 321 and connecting rods 322 connected between the telescopic rods 321, and the bottom ends of the telescopic rods 321 are fixed on the moving base 1. The top end of the driving assembly 31 is hinged with the connecting rod 322, and the driving end of the driving assembly 31 extends downward and is hinged with the moving base 1. The seat mechanism 2 comprises a sling 22 and two oppositely arranged lifting arms 21, and the two ends of the sling 22 are respectively detachably connected with the two lifting arms 21. The ends of the two lifting arms 21 respectively extend to the front sides of the two groups of telescopic rods 321 and are connected with the telescopic rods 321. The rear side of the telescopic rod 321 is fixed with a supporting block 323, and the supporting block 323 is located below the lifting arm 21 and is in abutting contact with the lifting arm 21.

[0041] The front end of the lifting arm 21 extends to the front side of the telescopic rod 321 and is connected with the telescopic rod 321, the supporting block 323 is arranged on the rear side of the telescopic rod 321 to support the lifting arm 21, forming a lever structure, in the use state, the other end of the lifting arm 21 is subjected to a downward pressure, taking the supporting block 323 as a support point, through the connecting structure between the front end of the lifting arm 21 and the telescopic rod 321, a limiting force is applied to the lifting arm 21, the length of the force arm of the limiting force is lengthened, the stability of the lifting arm 21 in the use state is ensured, the overall structural strength is improved, and the breaking and falling of the lifting arm 21 is avoided.

[0042] Meanwhile, the sling 22 is detachably connected with the oppositely arranged lifting arms 21, which is convenient to take down the sling 22 before use, provides a larger entering space for the user, and the lifting arms 21 on both sides protect the user, which is convenient for the user to stand and wait to sit on the sling 22 after the installation of the sling 22 is completed, effectively reduces the number of assistants, and is more convenient to use. The sling 22 is convenient to fold, supports the user, better supports the user, is convenient to detach and store, reduces the assembly and storage difficulty, and improves the portability of the electric shifting machine as a whole.

[0043] Please refer to Figure 3As shown, specifically, the telescopic rod 321 includes a telescopic sleeve 3211 and a telescopic guide tube 3212, the bottom end of the telescopic guide tube 3212 is fixed on the moving base 1, the telescopic sleeve 3211 is sleeved on the side of the telescopic guide tube 3212, and is fixedly connected with the connecting rod 322. The telescopic guide tube 3212 guides the telescopic sleeve 3211, ensuring the accuracy of the uplink and downlink paths of the telescopic sleeve 3211. The front side of the telescopic sleeve 3211 is fixed with a detachable connecting piece, the end of the hanging arm 21 is connected with the detachable connecting piece; the support block 323 is fixed on the rear side of the telescopic sleeve 3211, the support groove 3231 is opened on the support block 323, and the end side of the hanging arm 21 is embedded in the support groove 3231. The hanging arm 21 is detachably connected with the telescopic sleeve 3211 through the detachable connecting piece, further reducing the size of the electric shifting machine in the inapplicable state, and facilitating storage. The support groove 3231 effectively improves the contact area between the support block 323 and the hanging arm 21, thereby improving the size of the support force applied by the support block 323 to the hanging arm 21, and further ensuring that the support block 323 stably supports the hanging arm 21.

[0044] In the embodiment, the detachable connecting piece includes a plug pipe 3213, the plug pipe 3213 is fixed horizontally on the front side of the telescopic sleeve 3211, and the end of the hanging arm 21 is provided with an outwardly extending plug rod 211, which is inserted into the plug pipe 3213. The hanging arm 21 and the telescopic sleeve 3211 are detachably connected through the insertion of the plug rod 211 and the plug pipe 3213, and the insertion of the longer plug pipe 3213 and the plug rod 211 effectively increases the limiting force applied to the hanging arm 21. Similarly, other detachable connecting structures can also be used to connect the front end of the hanging arm 21.

[0045] Please refer to Figure 4 As shown, further, the hanging arm 21 is fixed with a hoisting assembly 222, the hoisting assembly 222 includes a hoisting plate 2221 and a lifting ring 2223, the hoisting plate 2221 is fixed on the middle part of the hanging arm 21 and extends downward, the hoisting plate 2221 is provided with a lifting hole 2222, and the lifting ring 2223 is inserted into the lifting hole 2222. In the embodiment, the number of hoisting assemblies 222 is six, and the six hoisting assemblies 222 are distributed in three on two hanging arms 21. Similarly, two hoisting assemblies 222 or more hoisting assemblies 222 can also be provided. The end of the sling 22 is provided with a hoisting connecting piece (not shown in the drawing), which is connected to the lifting ring 2223. In the embodiment, the hoisting connecting piece is a buckle connecting structure, which ensures the firmness of the connection of the sling 22. Similarly, other detachable connecting structures such as hooks can also be used to detachably connect the sling 22. Further, the hoisting assemblies 222 on the two hanging arms 21 correspond one by one, ensuring that the hoisting assemblies 222 provide more uniform tension to the sling 22, and ensuring that the user is more stable in the sitting state.

[0046] Further, a stable connecting piece 23 is arranged between the rear ends of the two lifting arms 21, and the stable connecting piece 23 is connected to the two lifting arms 21 at the rear ends to limit the rear ends of the lifting arms 21 and further improve the stability of the lifting arms 21, and the stable connecting piece 23 also blocks the user at the rear end to avoid the user from falling backward, and in the embodiment, the stable connecting piece 23 is detachably connected between the rear ends of the two lifting arms 21.

[0047] Specifically, the stable connecting piece 23 comprises a body 231, and downward extending plug-in parts 232 are arranged on both sides of the body 231, and the rear ends of the lifting arms 21 are provided with plug holes 223, and the plug-in parts 232 are plugged into the plug holes 223. The body 231 is installed by being plugged into the plug holes 223 through the plug-in parts 232, which effectively reduces the assembly difficulty and has good limiting effect.

[0048] In the embodiment, the movable base 1 comprises a seat body 11, and the seat body 11 is provided with a mounting pipe 111, the end of the telescopic guide pipe 3212 is embedded in the mounting pipe 111 and fixedly connected with the seat body 11, and the bottom end of the telescopic sleeve pipe 3211 abuts against the top end of the mounting pipe 111. The mounting pipe 111 is arranged around the bottom periphery of the telescopic guide pipe 3212 to provide support force for the bottom periphery of the telescopic guide pipe 3212, so as to ensure that the telescopic rod 321 has good stability during the telescopic process. Meanwhile, when the seat mechanism 2 is in the lowest state, the bottom end of the telescopic sleeve pipe 3211 abuts against the top of the mounting pipe, and the mounting pipe 111 provides support force for the telescopic sleeve pipe 3211, which further enhances the overall structural strength of the telescopic rod 321 and ensures that it can provide stable support force for the seat mechanism 2.

[0049] Further, the movable base 1 further comprises at least one bottom rod 12, one end of the bottom rod 12 is hingedly connected to the seat body 11, and the bottom rod 12 is located below the seat mechanism 2. The other end of the bottom rod 12 and the bottom surface of the seat body 11 are both provided with movable wheels 13, and the movable wheels 13 further improve the flexibility of the electric shifting machine. Moreover, the bottom rod 12 is located below the seat mechanism 2, which improves the coverage range of the movable base 1 and adjusts the gravity center of the electric shifting machine to the middle part, so as to ensure that the electric shifting machine will not be tilted during use. In the embodiment, the number of the bottom rod 12 is two, and the two bottom rods 12 are located at the two ends of the side of the seat body 11 facing the seat mechanism 2 to form a four-point support structure, which further improves the overall stability of the electric shifting machine. Similarly, the number of the bottom rod 12 can also be three or more. Moreover, one end of the bottom rod 12 is connected to the seat body 11 by hinging, and after use, the bottom rod 12 can be turned toward the seat body 11 to fold and store the movable base 1.

[0050] In the embodiment, the driving assembly 31 comprises a driving box 311, and the driving box 311 is internally provided with a control circuit board 3111 and an electric push rod module 3112. The driving end of the electric push rod module 3112 extends downward and is hinged to the moving base 1, and the top of the electric push rod module 3112 is hinged to the connecting rod 322 through the driving box 311. The control circuit board 3111 is electrically connected to the electric push rod module 3112, and the outer side of the driving box 311 is provided with a control handle 3113 which is electrically connected to the control circuit board 3111. The auxiliary personnel or the user controls the internal electric push rod module 3112 to drive lifting through the control handle 3113, so as to achieve the purpose of flexibly adjusting the height of the user. Further, the driving box 311 is internally provided with a power supply lithium battery 3114 which is electrically connected to the control circuit board 3111 and the electric push rod module 3112. The power supply lithium battery 3114 supplies power for the control circuit board 3111 and the electric push rod module 3112, and improves the endurance of the overall structure. In the embodiment, the electric push rod module 3112 is an existing electric push rod module 3112.

[0051] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, and all of these should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An electrically powered displacement machine characterized by, The mobile base, the seat mechanism and the lifting mechanism are included; The lifting mechanism includes a driving assembly and a telescopic assembly, the telescopic assembly includes two groups of telescopic rods and a connecting rod connected between the telescopic rods, the bottom end of the telescopic rod is fixed on the mobile base, the top end of the driving assembly is hinged with the connecting rod, and the driving end of the driving assembly extends downward and is hinged with the mobile base; The seat mechanism includes a sling and two oppositely arranged lifting arms, the two ends of the sling are respectively detachably connected to the two lifting arms, the ends of the two lifting arms respectively extend to the front sides of the two groups of telescopic rods and are connected with the telescopic rods, the rear side of the telescopic rod is fixed with a supporting block, and the supporting block is located below the lifting arm and in abutting contact with the lifting arm.

2. The electric shifter according to claim 1, characterized in that: The telescopic rod includes a telescopic sleeve and a telescopic guide pipe, the bottom end of the telescopic guide pipe is fixed on the mobile base, and the telescopic sleeve is sleeved on the side of the telescopic guide pipe and fixedly connected with the connecting rod; The front side of the telescopic sleeve is fixed with a detachable connecting piece, and the end of the lifting arm is connected with the detachable connecting piece; the supporting block is fixed on the rear side of the telescopic sleeve, and the supporting block is provided with a supporting groove, and the end side of the lifting arm is embedded in the supporting groove.

3. The electric shifter according to claim 2, characterized in that: The detachable connecting piece includes a plug pipe, the plug pipe is fixed horizontally on the front side of the telescopic sleeve, and the end of the lifting arm is provided with an outwardly extending plug rod which is inserted into the plug pipe.

4. The electric shifter according to claim 1, characterized in that: The lifting arm is fixed with a hoisting assembly, the hoisting assembly includes a hoisting plate and a lifting ring, the hoisting plate is fixed on the middle part of the lifting arm and extends downward, the hoisting plate is provided with a lifting hole, and the lifting ring is inserted into the lifting hole; The end of the sling is provided with a hoisting connecting piece, and the hoisting connecting piece is connected to the lifting ring.

5. The electric shifter according to claim 1, characterized in that: The rear ends of the two lifting arms are provided with a stabilizing connecting piece.

6. The electric shifter according to claim 5, characterized in that: The stabilizing connecting piece includes a body, the two sides of the body are provided with downwardly extending plug-in parts, The rear end of the lifting arm is provided with a plug hole, and the plug-in part is inserted into the plug hole.

7. The electric shifter according to claim 2, characterized in that: The mobile base includes a seat body, the seat body is provided with a mounting pipe, the end of the telescopic guide pipe is embedded in the mounting pipe and fixedly connected with the seat body, and the bottom end of the telescopic sleeve abuts against the top end of the mounting pipe.

8. The electric shifter according to claim 7, characterized in that: The mobile base further includes at least one bottom rod, one end of the bottom rod is hinged to the seat body and located below the seat mechanism, and the other end of the bottom rod and the bottom surface of the seat body are provided with mobile wheels.

9. The electric shifter of claim 1, wherein: The driving assembly includes a driving box, the driving box is provided with a control circuit board and an electric push rod module, The driving end of the electric push rod module extends downward and is hinged with the mobile base, and the top of the electric push rod module is hinged with the connecting rod through the driving box; The control circuit board is electrically connected with the electric push rod module, the outer side of the driving box is provided with a control handle, and the control handle is electrically connected with the control circuit board.

10. The electrically powered displacement machine of claim 9, wherein: The driving box is provided with a power supply lithium battery, and the power supply lithium battery is electrically connected with the control circuit board and the electric push rod module.

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