CN218900016U

CN218900016U - Hydraulic lifting shifter

Info

Publication number: CN218900016U
Application number: CN202222113253.2U
Authority: CN
Inventors: 曲杰; 张诚新
Original assignee: Longkou Wanxinda Metal Products Co ltd
Current assignee: Longkou Wanxinda Metal Products Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-04-25
Anticipated expiration: 2032-08-11

Abstract

The utility model provides a hydraulic lifting shifter, which comprises a bearing assembly for bearing a user, wherein the bearing assembly comprises a seat plate; the base is provided with at least one caster on the bottom side; the lifting assembly is used for connecting the bearing assembly and the base, and the hydraulic assembly is connected with the lifting assembly and used for driving the lifting assembly to ascend or descend. Solves the problem of inconvenient lifting operation of the lifting shifter in the prior art.

Description

Hydraulic lifting shifter

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a hydraulic lifting shifter.

Background

The shifter is used for helping people with inconvenient actions to move from the wheelchair to the sofa, the bed, the toilet, the seat and the like; however, the displacement machine in the prior art has large volume, too high base, and difficult displacement due to incapability of being used by part of furniture sofa displacement machines, and is inconvenient for caregivers to carry; the existing shifter generally adopts a plug-pin lifting mechanism, the plug-pin lifting mechanism needs two hands of a caretaker to operate, one hand adjusts the slip ring, and the other hand fixes the pin in the connecting rod, so that the operation is difficult, and the user experience is poor. In addition, some shifting machines are driven by a motor and then driven by a gear commutator, but the mode has lower power, if the circuit structure of the motor is damaged, potential safety hazards exist, and when the shifting machine goes out in rainy days, the circuit structure has the risks of electric leakage and short circuit.

In summary, the structure of the existing shifter is obviously inconvenient and defective in practical use, so that improvement is necessary.

Disclosure of Invention

The utility model aims to provide a hydraulic lifting shifter, which solves the problem that the lifting shifter in the prior art is inconvenient to lift and operate.

The utility model provides a hydraulic lifting shifter, comprising:

a carrying assembly for carrying a user, comprising a seat;

the base is provided with at least one caster on the bottom side;

the lifting assembly is used for connecting the bearing assembly and the base, the hydraulic assembly is arranged on the base, and the hydraulic assembly is connected with the lifting assembly and used for driving the lifting assembly to ascend or descend.

Preferably, the lifting assembly comprises a connecting rod, a connecting rod and a chain wheel assembly, wherein the bearing assembly is connected above the connecting rod, the two ends of the connecting rod are connected with the bottom of the connecting rod, and the connecting rod is connected with an output piston rod of the hydraulic assembly through the chain wheel assembly.

Preferably, the sprocket assembly includes a connecting shaft fixed to the output piston rod, a sprocket pivotally assembled to the connecting shaft and engaged with the chain, one end of the chain being fixed to the base, and the other end of the chain being connected to the connecting bar.

Preferably, the hydraulic assembly adopts a hydraulic jack, the hydraulic jack comprises a hydraulic cylinder, a lever, a small piston rod and an output piston rod, and one end of the lever is connected with the small piston rod.

Preferably, and the hydraulic assembly and the sprocket assembly are disposed within a protective housing, a paddle is provided on the protective housing, and the other end of the lever extends from the paddle and is connected to the foot pedal.

Preferably, the seat comprises a left seat and a right seat which are respectively positioned at the left side and the right side, and the left seat is connected with the right seat through a detachable connecting piece; the left seat plate and the right seat plate are respectively hinged with the connecting rod, and the left seat plate and the right seat plate respectively rotate by taking the connecting rod as an axis.

Preferably, the left seat plate and the right seat plate are connected through a detachable connecting piece; the left seat plate and the right seat plate are respectively hinged with the connecting rod, and the left seat plate and the right seat plate respectively rotate by taking the connecting rod as an axis.

Preferably, the sewage treatment device further comprises a sewage bucket, a sewage drain is formed in the middle of the seat plate, a mounting groove is formed in the bottom of the seat plate, and the sewage bucket is detachably mounted below the sewage drain through the mounting groove.

Preferably, the parking brake further comprises at least one foot brake assembly, the foot brake assembly is arranged on the base corresponding to the position of the trundle, and in a parking state, the foot brake assembly is contacted with the trundle to stop the trundle from rotating.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The hydraulic assembly is adopted for lifting operation, so that the lifting operation is simpler and more labor-saving.

(2) The seat is arranged, the seat adopts an ergonomic design, the comfort of a user is improved, and in addition, a detachable dirt bucket can be arranged under the seat, so that the sewage is discharged by the user conveniently. The caster is arranged, so that the shifter can move more conveniently.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic lift shifter in one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the hydraulic lift shifter within the protective housing of the present utility model;

FIG. 3 is a schematic side view of the present utility model with the protective case removed;

fig. 4 is a schematic view of a partial rear view of the present utility model.

Wherein, the reference numerals are as follows:

10. a carrier assembly; 11. a seat plate; 12. a detachable connection; 13. a dirt tub; 14. a support rod; 15. a chair back; 20. a base; 21. casters; 22. a foot brake assembly; 30. a lifting assembly; 31. a connecting rod; 32. a sprocket assembly; 321. a sprocket; 322. a chain; 323. a connecting shaft; 33. a connecting bar; 35. a bearing; 36. a foot pedal; 40. a hydraulic assembly; 41. a hydraulic cylinder; 42. a small piston rod; 43. an output piston rod; 50. a lever; 51. foot pedal; 60. and a protective shell.

Detailed Description

In order to more clearly illustrate the technical features of the present solution, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model aims to provide a hydraulic lifting shifter, which solves the problems of inconvenient use and jolt in the running process of the lifting shifter in the prior art, and discomfort of users.

Referring to fig. 1 to 4, the present utility model provides a hydraulic lifting shifter including:

a carrying assembly 10 for carrying a user, comprising a seat plate 11;

a base 20, at least one caster 21 is mounted on the bottom side of the base 20;

the lifting assembly 30 and the hydraulic assembly 40, the lifting assembly 30 is used for connecting the bearing assembly 10 and the base 20, the hydraulic assembly 40 is installed on the base 20, and the hydraulic assembly 40 is connected with the lifting assembly 30 and used for driving the lifting assembly 30 to ascend or descend.

Compared with the prior art, the utility model has the beneficial effects that: the hydraulic assembly 40 is adopted for lifting operation, so that the lifting operation is simpler and more labor-saving. The seat plate 11 is arranged, the seat plate 11 is designed to be in accordance with the ergonomics, the comfort of a user is improved, and in addition, a detachable dirt bucket can be arranged below the seat plate 11, so that the user can conveniently discharge dirt. Casters 21 are provided to facilitate movement of the displacer.

Preferably, the lifting assembly 30 includes a link 31, a link 33 and a sprocket assembly 32, the bearing assembly 10 is connected above the link 31, and both ends of the link 33 are connected to the bottom of the link 31, and the link 33 is connected to an output piston rod 43 of the hydraulic assembly 40 through the sprocket assembly 32. The base 20 is provided with a bottom rod, the inside of the connecting rod 31 is hollow, the bottom rod is arranged in the connecting rod 31 in a penetrating way, and the bottom rod is connected through a linear bearing 35. Further, a ball guide sleeve is sleeved between the bottom rod and the connecting rod 31, so that good sliding performance is maintained during lifting, and resistance and noise are reduced. Further, a foot pedal 36 is provided on the connecting rod 33.

Preferably, the sprocket assembly 32 includes a link shaft 323, a sprocket 321, and a chain 322, the link shaft 323 is fixed to the output piston rod 43, the sprocket 321 is pivotally assembled to the link shaft 323, and the sprocket 321 is engaged with the chain 322, one end of the chain 322 is fixed to the base 20, and the other end of the chain 322 is connected to the link lever 33. Preferably, the hydraulic assembly 40 employs a hydraulic jack comprising a hydraulic cylinder 41, a lever 50, a small piston rod 42 and an output piston rod 43, one end of the lever 50 being connected to the small piston rod 42.

The caretaker repeatedly lifts and presses the lever 50 to drive the small piston cylinder to lift and descend for a plurality of times, so that the output piston rod 43 lifts, the output piston rod 43 drives the connecting shaft 323 to lift, so that the chain wheel 321 lifts, and the chain wheel 321 rotates, one end of the chain 322 is fixed, the other end of the chain 322 drives the connecting bar 33 to lift, so that the connecting rod 31 lifts, and the seat 11 lifts. When the output piston rod 43 is required to return downwards, the oil drain valve is opened, so that the oil in the hydraulic cylinder 41 flows back to the oil tank under the action of the dead weight of the heavy object, the output piston rod 43 descends to the original position, and the seat plate 11 also descends to the original position.

Preferably, and with the hydraulic assembly 40 and sprocket assembly 32 disposed within the protective housing 60, a paddle is provided on the protective housing 60, and the other end of the lever 50 extends from the paddle and is coupled to the foot pedal 51. The length of the scribe line is adapted to the stroke of the swing of the lever 50. Further, a mounting plate may be disposed on the base 20, and the protective housing 60 and the hydraulic assembly 40 are detachably mounted on the mounting plate by bolts, so that the hydraulic assembly 40, the sprocket assembly 32 and the protective housing 60 can be detached if lifting is not required, thereby reducing weight and facilitating movement.

Referring to fig. 1 and 4, the base 20 is preferably lowered in height to fit most furniture to facilitate the insertion of the hydraulic lift shifter base 20 into the bottom gap of the furniture to effect the shifting. Preferably, the bearing assembly 10, the base 20 and the connecting rod 311 are made of hollow metal, so that the weight of the whole machine can be reduced, and the strength can be increased.

In a particular embodiment, referring to FIG. 2, the link 311 may nest within a cavity of the stabilizer bar 14.

Referring to fig. 1, preferably, the seating plate 11 includes left and right seating plates 11 and 11 located at left and right sides, respectively, and the left and right seating plates 11 and 11 are connected by a detachable connection 12; the left seat plate 11 and the right seat plate 11 are respectively hinged with the connecting rod 311, and the left seat plate 11 and the right seat plate 11 respectively rotate around the connecting rod 311 as an axis. In one embodiment, to facilitate the lifting operation by the caretaker, the detachable connection member 12 may be opened first, and then the left link 311 and the right link 311 may be lifted, respectively.

Referring to fig. 1, in one embodiment, a seating plate 11 includes left and right seating plates 11 and 11 located at left and right sides, respectively, and the left and right seating plates 11 and 11 are connected by a detachable connection 12; the left seat plate 11 and the right seat plate 11 are respectively hinged with the connecting rod 311, and the left seat plate 11 and the right seat plate 11 respectively rotate around the connecting rod 311 as an axis. The detachable connecting piece 12 can be matched with a pin and a lock catch, when the left seat plate 11 and the right seat plate 11 are required to be separated and opened to two sides, the lock catch arranged on the left seat plate 11 is manually broken off, so that the lock catch is separated from the pin arranged on the right seat plate 11, and the left seat plate 11 and the right seat plate 11 are in an opened state. When the left seat plate 11 and the right seat plate 11 need to be closed oppositely, the caretaker can rotate the left seat plate 11 and the right seat plate 11 to be closed to a critical point, and the lock catch on the left seat plate 11 is automatically buckled on the pin of the right seat plate 11, so that the two seat plates 11 are in a closed state. When the user needs to move the body position to the preset position, the caretaker rotates the left seat plate 11 and the right seat plate 11 to the open state, the caretaker pushes the hydraulic lifting shifter to the state that the left seat plate 11 and the right seat plate 11 are positioned on two sides of the buttocks of the user respectively, then rotates the left seat plate 11 and the right seat plate 11 to be closed, so that the user sits on the seat plate 11, then pushes the hydraulic lifting shifter to the preset position, enables the seat plate 11 to be attached to the preset position as much as possible through lifting adjustment, such as a sofa, enables the seat plate 11 to be attached to the seat on the sofa as much as possible, and then rotates the left seat plate 11 and the right seat plate 11 to the open state again, so that the user is separated from the seat plate 11, and the user can move the body in a mode without carrying, carrying or holding, so that the position of the user can be realized.

Preferably, the seat plate 11 is provided with a stopper pin so that the rotation angles of the left seat plate 11 and the right seat plate 11 are 90 °.

Referring to fig. 1, the carrying assembly 10 preferably further includes two vertically disposed rails 14, the two rails 14 being respectively connected above the two links 311 and respectively connected to the left and right sides of the front side of the seat 11, the rails 14 being usable for a user to grasp the rails 14 and support the body when lifting and lowering the hydraulic lift. Preferably, the upper portion of the arm rest 14 may extend forward to form an arm rest that a caregiver may hold to apply thrust while pushing the hydraulic lift shifter.

Referring to fig. 1 and 4, preferably, the carrying assembly 10 further includes a backrest 15, one end of the backrest 15 is connected to the rear side of the seat 11 for supporting the back of the user, and the backrest 15 includes a left backrest 15 and a right backrest 15 respectively located at the left and right sides, the left backrest 15 and the right backrest 15 are connected by a detachable inner connecting member, one end of the left backrest 15 is connected to the rear side of the left seat 11, and one end of the right backrest 15 is connected to the rear side of the right seat 11.

Referring to fig. 1, preferably, two support rods 14 are hinged with two connecting rods 311, respectively, the support rods 14 rotate about the connecting rods 311 or the left seat plate 11 and the right seat plate 11 are hinged with the two support rods 14 by hinges, respectively, and the left seat plate 11 and the right seat plate 11 rotate about the two support rods 14, respectively.

Referring to fig. 1, in one embodiment, the sewage treatment device further comprises a sewage bucket 13, a sewage drain is formed in the middle of the seat plate 11, a mounting groove is formed in the bottom of the seat plate 11, and the sewage bucket 13 is detachably mounted below the sewage drain through the mounting groove. The user can directly excrete and defecation on the shock absorption displacement machine, and the user does not need to move to the closestool, so that the shock absorption displacement machine is more convenient and quick. In addition, the dirt container 13 can be conveniently taken down for cleaning, and is convenient for next use.

Referring to fig. 1 and 2, in one embodiment, the bicycle further comprises at least one foot brake assembly 22, which is disposed on the base 20 corresponding to the position of the caster 21, wherein the foot brake assembly 22 contacts the caster 21 to block the caster 21 from rotating in a parking state.

Referring to fig. 2, in one particular embodiment, the foot brake assembly 22 includes: a fixed shaft connected to the base 20; one end of the lock catch pedal is hinged with the fixed shaft, and the lock catch pedal rotates by taking the fixed shaft as an axis; the other end of the lock catch treading the pedal is provided with the pedal; the bottom side of the pedal is provided with a bayonet; in the parking state, the latch pedal rotates to be propped against the castor 21; one end of the clamping piece is connected to the base 20, and the other end of the clamping piece is a clamping piece matched with the bayonet; the buckle is in interference fit with the bayonet; the position of the buckle is configured to be buckled with the bayonet under the parking state.

In this embodiment, the foot brake assembly 22 is abutted against the caster 21 by a latch pedal to fix the caster 21, preventing the caster 21 from sliding; the clasp is used to fix the locker pedal in the parking state so that the locker pedal is kept against the caster 21. When the foot brake assembly 22 is used for stopping, a user can downwards step on the pedal until the pedal abuts against the castor 21, and at the moment, the bayonet is also buckled into the buckle for fixation. Referring to fig. 1 and 2, when the shifter is to be moved, the pedal is pushed upward to disengage from the caster 21 and the buckle.

The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.

Claims

1. A hydraulic lift shifter, comprising:

a carrying assembly for carrying a user, comprising a seat;

the base is provided with at least one caster on the bottom side;

the lifting assembly is used for connecting the bearing assembly and the base, the hydraulic assembly is arranged on the base, and the hydraulic assembly is connected with the lifting assembly and used for driving the lifting assembly to ascend or descend;

the lifting assembly comprises a connecting rod, a connecting rod and a chain wheel assembly, wherein the bearing assembly is connected above the connecting rod, two ends of the connecting rod are connected with the bottom of the connecting rod, and the connecting rod is connected with an output piston rod of the hydraulic assembly through the chain wheel assembly.

2. The hydraulic lift shifter of claim 1 wherein the sprocket assembly includes a connecting shaft secured to the output piston rod, a sprocket pivotally mounted to the connecting shaft and engaged with the chain, one end of the chain secured to the base, and the other end of the chain connected to the connecting bar.

3. The hydraulic lift shifter of claim 2 wherein the hydraulic assembly is a hydraulic jack comprising a hydraulic cylinder, a lever, a small piston rod, and the output piston rod, the small piston rod being connected to one end of the lever.

4. A hydraulic lift shifter in accordance with claim 3 wherein the hydraulic assembly and the sprocket assembly are disposed within a protective housing having a paddle disposed thereon, the other end of the lever extending from the paddle and being connected to a pedal.

5. The hydraulic lift shifter of claim 1 wherein the seat includes a left seat and a right seat on the left and right sides, respectively, the left and right seats being connected by a detachable connection; the left seat plate and the right seat plate are respectively hinged with the connecting rods, and the left seat plate and the right seat plate respectively rotate by taking the connecting rods as shafts.

6. The hydraulic lift shifter of claim 5 further comprising a waste tank, wherein a drain is provided in the middle of the seat, a mounting slot is provided in the bottom of the seat, and the waste tank is detachably mounted below the drain through the mounting slot.

7. The hydraulic lift shifter of claim 1 further comprising at least one foot brake assembly disposed on the base in a position corresponding to the caster, the foot brake assembly in contact with the caster in a parked state, blocking rotation of the caster.