CN217409201U - A straddle-type shifting device - Google Patents

Abstract

The utility model discloses a straddle-type displacement device, which comprises a moving base; a supporting component is arranged on the moving base; Station; holding mechanism, arranged between the support assembly and the bearing seat, the holding mechanism is assembled to keep the bearing seat in the first station, and can release the bearing seat from the first station; the auxiliary lifting mechanism is arranged on the support On the assembly, and form a moving pair with the support assembly; the auxiliary lifting mechanism can lift up and down relative to the support assembly to achieve height adjustment, so as to assist the user to complete the lifting process, and/or assist the user to complete the process from sitting to standing. The straddle-type displacement device of the present utility model, when in use, can play a certain elevating effect on the user by raising and lowering the height of the auxiliary elevating mechanism, so that the displacement process can be completed relatively simply.

Description

A straddle-type shifting device

technical field

The utility model relates to the technical field of displacement and exercise equipment, in particular to a straddle-type displacement device.

Background technique

As our country gradually steps into an aging society, medical care and nursing for the elderly, especially those with limited mobility and lower extremity disabilities, have become a social problem that must be solved at present.

At present, the lifts on the market are mostly used to assist caregivers to transfer the user's position, such as transferring the user between sofas, beds, toilets, etc.; in addition, there is no uniform standard height for sofas, seats, and beds on the market. , and the lift in the traditional sense still stops at the fixed height stage, which makes it difficult to match the height of the sofa, bed and toilet, and the overall nursing is still inconvenient. It needs to be carried, carried, and held by the nursing staff. The existing lifts lack the lifting functions such as auxiliary support for the user or the nursing staff. For users with small upper limb strength, the nursing staff need to resist, hold, etc.; auxiliary function.

In addition, the width of the existing lift machine is fixed, and the width of the lift machine cannot be adjusted for different widths of seats, wheelchairs, doors, etc.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a straddle-type displacement device.

In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a straddle-type displacement device, comprising:

mobile base;

a support assembly, arranged on the mobile base;

a bearing seat, movably connected to the support assembly, the bearing seat has a first station and a second station relative to the support assembly;

a holding mechanism, disposed between the support assembly and the bearing seat, the holding mechanism is assembled to keep the bearing seat in the first working position and capable of removing the bearing seat from the first working position station release;

an auxiliary lifting mechanism, which is arranged on the support assembly and forms a moving pair with the support assembly;

The auxiliary lifting mechanism can be raised and lowered relative to the support assembly to achieve height adjustment, so as to assist the user to complete the lifting process, and/or assist the user to complete the process from sitting to standing.

In an optional embodiment of the present invention, the auxiliary lifting mechanism includes a support frame and a first linear actuator;

The support frame is disposed on the support assembly, and the support frame and the support assembly form a moving pair, and the first linear actuator is disposed between the support frame and the support assembly for Adjust the lift of the support frame.

In an optional embodiment of the present invention, the auxiliary lifting mechanism further includes an auxiliary support member, and the auxiliary support member is disposed on the support frame at a position corresponding to the underside of the armpit or under the arm of the user.

In an optional embodiment of the present invention, the straddle-type displacement device further includes a second linear actuator, and a moving pair is formed between the support assembly and the moving base, and a moving pair is formed through the second linear actuator. The actuator enables the lifting and lowering of the support assembly.

In an optional embodiment of the present invention, the auxiliary lifting mechanism further includes an auxiliary support member in front of the chest that is inclined forward, and the auxiliary support member in front of the chest is fixedly disposed on the side of the support frame close to the user , and the auxiliary support member in front of the chest corresponds to the position of the user's front chest.

In an optional embodiment of the present invention, the auxiliary lifting mechanism further includes a safety strap, and the safety strap is arranged at the rear end of the support frame.

In an optional embodiment of the present invention, the moving base includes a base and two carrying bases, the two carrying bases and the base form a moving pair, and the distance between the two carrying bases Adjustable.

In an optional embodiment of the present invention, the straddle-type displacement device further includes a distance adjustment mechanism, and the distance adjustment mechanism includes a driving component, a worm, a turbine, a lead screw, and a pair of lead screw nuts;

The lead screw is rotatably installed in the base, and two ends of the lead screw are provided with thread segments with opposite screw directions;

The turbine is fixedly sleeved on the lead screw;

A pair of the lead screw nuts are respectively sleeved on the threaded sections at both ends of the lead screw, and a pair of the lead screw nuts are respectively fixed to the two bearing bases;

The worm is arranged on the base and is located on one side of the turbine, and the worm and the turbine are engaged with each other;

The driving part is fixedly connected with the worm, the driving part is configured to be able to drive the worm to rotate, and the driving part includes a manual driving part or an electric driving part.

In an optional embodiment of the present invention, the holding mechanism includes a first link, a second link, a third link, a lever and a locking mechanism;

One end of the first connecting rod is hinged with the middle part of the bearing seat, and the other end of the first connecting rod is hinged with one end of the second connecting rod;

One end of the third link is hinged with the second link;

The other end of the second link is hinged with the support assembly;

The fulcrum of the lever is hinged on the support assembly, and one end of the lever is hinged with the other end of the third link;

The locking mechanism is provided on the support assembly, and the locking mechanism is assembled to keep the positions of the lever and the support assembly relatively fixed when the bearing seat is in the first working position.

In an optional embodiment of the present invention, the locking mechanism includes a locking seat, a locking hook and a locking pin provided on the locking seat;

The locking seat is installed on the support assembly, and the locking support is provided with an opening slot for the locking pin to enter and exit;

the locking pin is fixedly arranged on the lever;

The locking hook is rotatably mounted on the locking support or the support assembly;

When the bearing seat is in the first working position, the locking pin is located in the opening groove;

The locking hook is assembled so that when the bearing seat is in the first working position, at least part of the locking hook extends into the opening slot to lock the locking pin, so that the The position of the lever and the support assembly remains relatively fixed.

In an optional embodiment of the present invention, the other end of the first link, one end of the second link, and one end of the third link are hinged at one point.

In an optional embodiment of the present invention, the holding mechanism further includes a third linear actuator, one end of the third linear actuator is hinged on the support assembly, the third linear actuator The other end of the device is hinged with the power arm of the lever.

In an optional embodiment of the present invention, the holding mechanism includes a first link, a second link and a third linear actuator; one end of the first link is hinged with the middle of the bearing base , the other end of the first link is hinged with one end of the second link, the other end of the second link is hinged with the support assembly, and one end of the third linear actuator is hinged with the On the support assembly, the other end of the third linear actuator is hinged with the middle part of the first link or the second link.

The straddle-type displacement device of the present utility model, when using the device, can play a certain lifting effect on the user by raising and lowering the height of the auxiliary lifting mechanism of the bearing component, and can be used alone or in conjunction with the bearing seat, which is relatively simple. to complete the shift process.

The moving base in the straddle-type displacement device of the present invention can adjust the distance between the two bearing bases by means of worm gears, etc., and can be suitable for seats, wheelchairs, doors, etc. of different widths. In addition, the worm gears and worms The self-locking can fix the width after adjustment.

The straddle-type displacement device of the present utility model, while completing the displacement function, can also be used in conjunction with the auxiliary lifting mechanism and/or the adjustable armrest to give a certain help to the user in the process of sitting up.

The straddle-type displacement device of the utility model can simply and quickly displace the users who are inconvenient to move, the displacement is convenient, and the structure is simple.

The straddle-type displacement device of the utility model can play a certain weight-reducing effect under the cooperation of the support assembly, the auxiliary lifting mechanism and/or the adjustable armrest, thereby helping the user to stand and walk.

The straddle-type displacement device of the utility model is convenient for the user to complete the operation independently, and the straddle-type bearing seat occupies a small range of space. The straddle-type displacement device of the present invention adopts a foldable bearing seat, which can give the user a wider range of movement space after the folding is completed. Close to the user, convenient for shifting work.

Description of drawings

FIG. 1 is a perspective view of a straddle-type displacement device of the present invention.

FIG. 2 is a partial enlarged view of area A in FIG. 1 .

FIG. 3 is a perspective view of the straddle-type displacement device of the present invention from another perspective.

FIG. 4 is a partial enlarged view of area B in FIG. 3 .

FIG. 5 is a schematic diagram of a moving base of the straddle-type displacement device of the present invention.

FIG. 6 is a schematic diagram illustrating the folded state of the bearing seat of the straddle-type displacement device of the present invention.

FIG. 7 is a perspective view showing a variant embodiment of the straddle-type displacement device of the present invention.

FIG. 8 is a perspective view of another holding mechanism of the present invention.

FIG. 9 is a perspective view of the third holding mechanism of the present invention.

Component label description

Moving base 10, base 101, sliding auxiliary part 1011, first carrying base 102, second carrying base 103, distance adjustment mechanism 104, driving part 1041, worm 1042, worm wheel 1043, lead screw 1044, base plate 1045, lead screw nut 1046, the second linear actuator 105, the support assembly 20, the push handle 201, the adjustable armrest 202, the bearing assembly 30, the bearing seat 301, the holding mechanism 302, the first link 3021, the second link 3022, the third link 3023, lever 3024, locking pin 3025, locking hook 3026, open slot 3027, locking seat 3028, unlocking part 3029, balloon 3011, support frame 303, auxiliary chest support member 304, safety strap 305, first linear Actuator 306 , auxiliary support member 307 , third linear actuator 308 .

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other under the condition of no conflict.

It should be noted that the diagrams provided in the following embodiments are only to illustrate the basic concept of the present invention in a schematic way, and then only the components related to the present invention are shown in the diagrams instead of the number of components in the actual implementation, In the drawing of shape and size, the type, quantity and proportion of each component can be arbitrarily changed in actual implementation, and the component layout may also be more complicated.

Please refer to FIGS. 1-4 . This embodiment introduces a straddle-type displacement device. The straddle-type displacement device includes a mobile base 10 , a support component 20 and a bearing component 30 . The support component 20 is disposed on the On the moving base 10 , the bearing assembly 30 is disposed on the supporting assembly 20 .

1-5, in this embodiment, the mobile base 10 includes a base 101 and two carrying bases, the two carrying bases and the base 101 respectively form a moving pair, the two carrying bases The spacing between the individual carrying bases is adjustable. Specifically, two bearing bases are disposed on both sides of the base 101 as a first bearing base 102 and a second bearing base 103 respectively, and a moving pair is formed between the first bearing base 102 and the base 101 , a moving pair is formed between the second bearing base 103 and the base 101 , and the distance between the first bearing base 102 and the second bearing base 103 can be adjusted by the distance adjustment mechanism 104 .

As shown in FIGS. 1-5 , in this embodiment, the distance adjustment mechanism 104 includes a driving component, a worm 1042, a worm wheel 1043, a lead screw 1044 and a pair of lead screw nuts 1046; the lead screw 1044 is rotatably installed on the In the base 101 , the two ends of the lead screw 1044 are provided with threaded sections with opposite screw directions; the worm gear 1043 is fixedly sleeved on the lead screw 1044 ; a pair of the lead screw nuts 1046 are respectively sleeved on the threaded segments at both ends of the lead screw 1044, and a pair of the lead screw nuts 1046 are respectively fixed to the first bearing base 102 and the second bearing base 103; the worm 1042 can pass through bearings, for example The group is rotatably arranged on the base 101 and is located on one side of the worm wheel 1043, the worm 1042 and the worm wheel 1043 are engaged with each other; the driving part is connected with the worm 1042, and the driving part is configured In order to be able to drive the worm 1042 to rotate. Specifically, the driving component is an electric driving component 1041, and the output shaft of the electric driving component 1041 is connected with the worm 1042 through a coupling, and the worm 1042 is driven to rotate by the electric driving component 1041, and the rotation of the worm 1042 drives the worm wheel 1043 to rotate, The rotation of the worm gear 1043 drives the lead screw 1044 to rotate, thereby adjusting the distance between the first bearing base 102 and the second bearing base 103 , and the adjusted width can also be fixed by using the self-locking of the worm gear 1043 and the worm 1042 . As an example, the electric drive component 1041 is a motor.

It should be noted that, in some embodiments, manual driving components such as a rocking wheel may also be used to replace the electric driving components.

The mobile base 10 in the straddle-type displacement device of the present application adjusts the distance between the two bearing bases by means of worm gears, etc., which can be applied to seats, wheelchairs, doors, etc. of different widths. In addition, the worm gear 1043 worm The self-locking of 1042 can fix the width after adjustment.

As shown in FIGS. 1-5 , in this embodiment, in order to reduce the friction between the base 101 and the two bearing bases, sliding auxiliary components 1011 are respectively provided on both sides of the base 101 . The components 1011 are inserted and fixed on two sides of the base 101 respectively, and each carrying base forms a moving pair between the sliding auxiliary components 1011 on the same side. As an example, the material of the sliding auxiliary member 1011 can be nylon, for example.

As shown in FIGS. 1-5 , in this embodiment, in order to facilitate the installation of the distance adjustment mechanism 104 , the distance adjustment mechanism 104 further includes a bottom plate 1045 , and the bottom plate 1045 is used for fixedly installing the lead screw 1044 . Specifically, the bottom plate 1045 can be fixed on the base 101 by means of screws or welding, and two bosses (such as T-shaped bosses) are arranged on the bottom plate 1045 at intervals, and the two bosses are located at Inside the base 101 , two bosses are fixed to the bottom plate 1045 by bolts, and a bearing is arranged in the boss, and the lead screw 1044 is installed in the bearing and fixed to the lead screw 1044 by the boss. It can be understood that, in some embodiments, the bottom plate 1045 may not be provided, but a part of the base 101 may be used as the bottom plate 1045 .

As shown in Figure 1-5, directional wheels or universal wheels or electric wheels (installed according to specific needs) with different installation heights are set at the bottom of the two bearing bases, and one or more wheels with brakes can also be determined according to specific needs. This design can reduce the distance between the two bearing bases and the ground, which is suitable for more situations.

It should be noted that, in other embodiments, the distance adjustment mechanism 104 may also adopt other structures to adjust the distance between the two bearing bases. For example, linear actuators can also be provided between the first carrying base 102 and the base 101, and between the second carrying base 103 and the base 101, respectively, and the first carrying base 103 can be adjusted by the linear actuators. A carrying base 102 and a second carrying base 103 are inserted into the length of the base 101 , so that the distance between the first carrying base 102 and the second carrying base 103 can be adjusted.

As shown in FIGS. 1-5 , in this embodiment, the bearing assembly 30 is disposed on the supporting assembly 20 , and the bearing assembly 30 includes a bearing seat 301 and a holding mechanism 302 disposed on the supporting assembly 20 . and an auxiliary lifting mechanism, and the auxiliary lifting mechanism is located above the bearing seat 301 . The bearing seat 301 is movably connected to the support assembly, and the bearing seat 301 has a first station and a second station relative to the support assembly; the holding mechanism 302 is disposed between the support assembly 20 and the support assembly. Between the bearing seats 301, the holding mechanism 302 is assembled to keep the bearing seat 301 in the first working position, and can release the bearing seat 301 from the first working position; When the bearing seat 301 is in the first station, the bearing seat 301 is used to support the user's buttocks when the user rides; when the bearing seat 301 is in the second station, the bearing seat 301 in a folded state.

As shown in FIGS. 1-5 , in this embodiment, the bearing base 301 adopts a cylindrical structure, and is covered with a soft material. Of course, in an optional embodiment, the bearing seat 301 can also adopt a hollow cylindrical structure as shown in FIG. 7 , an airbag is arranged in it, and the outside is covered with a soft material, and the airbag is connected with a delivery balloon 3011 , The air bag is inflated by supplying air to the air bag through the sending balloon 3011 .

As shown in FIGS. 1-4 , in this embodiment, the holding mechanism 302 includes a first link 3021 , a second link 3022 , a third link 3023 , a lever 3024 and a locking mechanism. One end of the first link 3021 is hinged with the middle of the bearing base 301 , the other end of the first link 3021 is hinged with one end of the second link; one end of the third link 3023 is hinged with The second link 3022 is hinged, and the other end of the second link 3022 is hinged with the support component 20; the fulcrum of the lever 3024 is hinged on the support component 20, and one end of the lever 3024 is connected with the support component 20. The other end of the third link 3023 is hinged; the first link 3021, the second link 3022, and the third link 3023 form a triangular support with good stability. The locking mechanism is provided on the support assembly 20, and the locking mechanism is assembled to keep the position of the lever 3024 and the support assembly 20 when the bearing seat 301 is in the first working position relatively fixed. As an example, the other end of the first link 3021, one end of the second link 3022, and one end of the third link 3023 may be hinged at one point as shown in Figs. 8, the other end of the first link 3021 and one end of the second link 3022 are hinged at one point, and one end of the third link 3023 is hinged at the middle of the second link 3022.

Specifically, the lever 3024 is a bent structure, that is, the power arm and the resistance arm of the lever 3024 are connected at a certain angle, and the end of the resistance arm of the lever 3024 away from the fulcrum is hinged with one end of the third link 3023 . The locking mechanism includes a locking seat 3028, a locking hook 3026 and a locking pin 3025; the locking seat 3028 is installed on the support assembly 20, and the locking support is provided with a The opening slot 3027 into which the locking pin 3025 enters and exits; the locking pin 3025 is fixedly arranged at one end of the power arm of the lever 3024 away from the fulcrum (of course, it can also be other parts on the power arm of the lever 3024); so The locking hook 3026 is rotatably mounted on the locking support or the support assembly 20; when the bearing seat 301 is in the first working position, the locking pin 3025 is located in the opening slot 3027; The locking hook 3026 is assembled so that when the bearing base 301 is in the first working position, at least part of the locking hook 3026 extends into the opening slot 3027 to lock the locking pin 3025 , so that the position of the power arm of the lever 3024 and the support assembly 20 is relatively fixed.

As shown in Figures 1-4, in this embodiment, the locking seat 3028 is provided with a vertical movable slot for the locking hook 3026 to rotate, and the locking mechanism is provided with an unlocking portion 3029, the unlocking The locking portion 3029 is erected above the vertical movable slot and connected with the locking hook 3026. The user can rotate the locking hook 3026 through the unlocking portion 3029, thereby releasing the restricted state of the locking pin 3025. The locking pin 3025 can be slid out of the opening slot 3027, so that the bearing seat 301 is moved downward to the second station under the action of gravity, and is in a folded state, which can give the user a wider range of movement space, In addition, after the folding is completed, the device can be brought closer to the user during displacement, which facilitates the displacement work.

It should be noted that, in some embodiments, the locking mechanism may also use a pin shaft and pin hole mechanism to achieve similar functions, for example, a pin hole is respectively provided on the power arm of the lever 3024 and the locking seat 3028 , when the end of the power arm of the lever 3024 away from the fulcrum is inserted into the opening slot 3027, the lever 3024 is connected to the support by inserting a pin into the pin hole of the power arm and the locking seat 3028 The position of the assembly 20 remains relatively fixed.

In FIGS. 1-4 , the holding mechanism 302 adopts a manual method to realize the switching of the bearing seat 301 from the second station to the first station, and maintain the bearing seat 301 in the first station. Specifically, the user can swing the power arm of the lever 3024 downward, so that the locking pin 3025 fixed on the power arm of the lever 3024 can be slid into the opening slot 3027 to realize the locking through the locking hook 3026 stop, so that the bearing seat 301 is kept at the first station.

In an optional embodiment, as shown in FIG. 8 , the holding mechanism 302 can also use an electric way to realize the switching of the bearing seat 301 from the second station to the first station, and the bearing seat 301 can be switched from the second station to the first station. 301 remains at the first station. Specifically, the size of the holding mechanism 302 shown in FIGS. 1-4 can be adjusted, and a third linear actuator 308 is provided in the holding mechanism 302, and one end of the third linear actuator 308 is hinged to the On the support assembly 20, the other end of the third linear actuator 308 is hinged with the power arm of the lever 3024, and the third linear actuator 308 can be used to realize the movement of the bearing base 301 from the second working position to the first position. A station is switched, and the carrier 301 is kept at the first station. It should be noted that, in order to prevent the third linear actuator 308 from interfering with the holding mechanism 302 during operation, the third linear actuator 308 is disposed on one side of the holding mechanism 302 .

In another optional embodiment, the holding mechanism 302 may also use an electric manner as shown in FIG. 9 to realize the switching of the bearing base 301 from the second station to the first station, and to switch the bearing seat 301 from the second station to the first station. The seat 301 remains in the first station. Specifically, as shown in FIG. 9 , the holding mechanism includes a first link 3021 , a first link 3022 and a third linear actuator 3025 . One end of the first link 3021 is connected to the bearing seat 301 . The middle part is hinged, the other end of the first link 3021 is hinged with one end of the second link 3022, and the other end of the second link 3022 is hinged with the support assembly 20; the third linear actuation One end of the actuator 308 is hinged on the support assembly 20 , and the other end of the third linear actuator 308 is hinged with the middle of the second link 3022 . Of course, the other end of the third linear actuator 308 can also be hinged with the middle of the first link 3021 .

As shown in FIGS. 1-5 , in this embodiment, the auxiliary lifting mechanism is disposed on the support assembly 20 and forms a moving pair with the support assembly 20 , and the auxiliary lifting mechanism can be opposite to the support assembly 20 Lift and lower for height adjustment, to assist the user in the lifting process, and/or assist the user in the process from sitting to standing.

The auxiliary lifting mechanism includes a support frame 303 and a first linear actuator 306 . The support frame 303 is used to support the user's armpit or arm, the support frame 303 is arranged on the support assembly 20, and the support frame 303 and the support assembly 20 form a moving pair, the first The linear actuator 306 is disposed between the support frame 303 and the support assembly 20 , one end of the first linear actuator 306 is disposed on the support assembly 20 , and the other end is disposed on the support frame 303 The support frame 303 can move up and down relative to the support assembly 20 under the action of the first linear actuator 306, so as to adjust the distance between the support frame 303 and the bearing seat, which can assist the use of The user completes the process from sitting to standing.

As shown in FIGS. 1-5 , the support frame 303 is disposed on the upper end of the support assembly 20 , and the rear end of the support frame 303 is inclined upwardly, so that the user is supported on the support frame 303 in front of the body. Tilt, and at the same time cooperate with the supporting function of the auxiliary support member 304 on the front of the support frame 303, which can make the user's center of gravity move forward, preventing the danger of the user's center of gravity moving backward. In addition, the rear end of the support frame 303 is inclined upward, which can well simulate the movement process of a person from a sitting state to a standing posture during the lifting process of the support frame 303, and can also play a certain role in reducing weight.

As shown in FIGS. 1-5 , the support frame 303 includes two first support members 303a, 303b arranged at intervals for supporting the armpits or arms of the user on both sides, and the two first support members 303a, 303b are respectively connected to The two second supports 203 on the support assembly 20 form a moving pair, the two first supports 303a, 303b are arranged in parallel, and the distance between the two first supports 303a, 303b fixed.

It should be noted that, in some embodiments, the distance between the two first support members 303a, 303b is adjustable. For example, a telescopic sleeve is used to connect the two first supports 303a, 303b. The two second supports 203 at the top of the support assembly 20 are assembled into a structure with adjustable spacing, and the two first supports 303a and 303b of the support frame are respectively connected to the two second supports of the support assembly. A moving pair is formed between 203, and the distance between the two first supports 303a, 303b of the support frame can be adjusted by adjusting the distance between the two second supports 203, so as to be adjusted according to the body shape of the user to adjust the distance between the two first support members 303a, 303b.

It should be noted that, in some embodiments, the support frame may also adopt a V-shaped structure, that is, the distance between the two first support members of the support frame gradually increases from the front end to the rear end. The design is conducive to the user's ease of use during use, and can appropriately increase the clamping force on both sides of the chest during the forward leaning process.

As shown in Figures 1-5, optionally, in order to increase the contact area between the user's armpit or arm and the support frame 303 and improve the use experience, the auxiliary lifting mechanism may further include an auxiliary support member 307, the auxiliary support member 307 is disposed on the support frame 303 at a position corresponding to the lower part of the user's armpit or the lower part of the arm.

It should be noted that, the auxiliary support member 307 may adopt either a solid structure as shown in FIGS. 1 and 3 , or a hollow structure, and the outer frame is covered with a soft material. The auxiliary support member 307 of the hollow structure can avoid the compression of the nerve part under the armpit or under the arm, and improve the user experience.

As shown in FIGS. 1-5 , optionally, the auxiliary lifting mechanism may further include an auxiliary support member 304 in front of the chest that is inclined forward, and the auxiliary support member 304 in front of the chest is fixedly disposed on the support frame 303 for use close to it. On one side of the user, the auxiliary support member 304 in front of the chest corresponds to the position of the front of the user's chest. The auxiliary support member 304 in front of the chest disposed forwardly can make the user's center of gravity move forward, preventing the danger of the user's center of gravity moving backward.

As shown in FIGS. 1-5 , optionally, the auxiliary lifting mechanism may further include a safety strap 305 . The safety strap 305 is arranged at the rear end of the support frame 303 , and the safety strap 305 can be used to lift To fix the role of the user, play a certain protective role.

As shown in FIGS. 1-5 , in this embodiment, the height of the support assembly 20 relative to the mobile base 10 is adjustable, so as to be able to adapt to the user’s location in scenes with different heights (such as sofas, beds, toilets) and other scene positions). Specifically, the straddle-type displacement device realizes the height adjustment of the support assembly 20 through the following structure: a moving pair is formed between the support assembly 20 and the moving base 10, and a moving pair is formed between the moving base 10 and the moving base 10. A second linear actuator 105 is arranged between the support assemblies 20 , one end of the second linear actuator 105 is arranged on the base 101 of the mobile base 10 , and the other end of the second linear actuator 105 It is arranged on the support assembly 20, and the second linear actuator 105 is used to realize the lifting and lowering of the support assembly 20, so as to realize the adjustment of the overall height of the bearing assembly 30, so as to be suitable for scene positions with different heights. It should be noted that, by disposing different linear actuators for the support assembly 20 and the auxiliary lift mechanism, respectively, the support assembly and the auxiliary lift mechanism can realize height adjustment independently.

As shown in FIGS. 1-5 , in this embodiment, a push handle 201 is provided on the side of the support assembly 20 away from the bearing base, and the nursing staff can use the push handle 201 to move the straddle-type displacement device.

As shown in FIGS. 1-5 , in this embodiment, the straddle-type displacement device further includes an adjustable armrest 202 for the user to hold, and the adjustable armrest 202 is disposed on the support assembly 20 , and is located between the bearing base and the support frame 303 , the adjustable armrests 202 include two, which are respectively disposed on the left and right sides of the support assembly 20 . The adjustable armrest 202 can be rotated around the upper end of the support assembly 20 and fixed by a fastening assembly (eg, a star-shaped handle), so as to change the posture of the adjustable armrest 202 so as to adapt to different application scenarios. The adjustable armrest 202 can be used with an auxiliary lifting mechanism to assist the user to complete the process from sitting to standing during the lifting process of the first linear actuator 306 . With the cooperation of the support assembly 20 , the auxiliary lifting mechanism and the adjustable armrest 202 , it can help the user to reduce weight to a certain extent during the standing process.

When in use, move the mobile base 10 to the user's position, adjust the height of the support frame 303 of the auxiliary lifting mechanism through the first linear actuator 306, and place the two first supports 303a and 303b of the support frame 303 in use. Under the armpit or the arm, the caregiver or user operates the first linear actuator 306 to raise the height, during the driving of the first linear actuator 306, or between the first linear actuator 306 and the second linear actuator During the cooperative driving process of the device 105, the two first supports 303a, 303b of the support frame 303 can maintain a certain attitude angle to achieve height elevation, which can well simulate the movement process of a person from a sitting state to a standing posture. And when it is lifted to a certain height, the bearing seat 301 can be adjusted from the folded state (the second station) through the holding mechanism 302 and kept at the support station (the first station), so as to support the user's buttocks and lift up. to a certain weight loss.

To sum up, the straddle-type displacement device of the present invention can play a certain lifting effect on the user by raising and lowering the height of the auxiliary lifting mechanism of the bearing component when the device is in use, and can be used alone or in conjunction with the first When the bearing seat and the second bearing seat are used, the displacement process can be completed relatively simply. The moving base in the straddle-type displacement device of the present invention can adjust the distance between the two bearing bases by means of worm gears, etc., and can be suitable for seats, wheelchairs, doors, etc. of different widths. In addition, the worm gears and worms The self-locking can fix the width after adjustment. The straddle-type displacement device of the present utility model, while completing the displacement function, can also be used in conjunction with the auxiliary lifting mechanism and/or the adjustable armrest, so as to provide certain help to the user in the process of sitting up. The straddle-type displacement device of the utility model is convenient for the user to complete the operation independently, and the straddle-type bearing seat occupies a small range of space. The straddle-type displacement device of the utility model can simply and quickly displace the users who are inconvenient to move, the displacement is convenient, and the structure is simple. The straddle-type displacement device of the utility model can play a certain weight-reducing effect under the cooperation of the support assembly, the auxiliary lifting mechanism and/or the adjustable armrest, thereby helping the user to stand and walk. The straddle-type displacement device of the present invention adopts a foldable bearing seat, which can give the user a wider range of activity space after the folding is completed, and in addition, the device can be moved closer after the folding is completed. Close to the user, convenient for shifting work.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

In the description herein, numerous specific details are provided, such as examples of components and/or methods, in order to provide a thorough understanding of embodiments of the present invention. However, one skilled in the art will recognize that embodiments of the invention may be practiced without one or more of the specific details or with other devices, systems, assemblies, methods, components, materials, parts, and the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and Not necessarily in all embodiments. Thus, various appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any particular embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It should be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered part of the spirit and scope of the invention.

It should also be understood that one or more of the elements shown in the figures may also be implemented in a more discrete or integrated manner, or even removed as inoperable in certain circumstances or as may be useful according to a particular application. Provided.

Additionally, any identifying arrows in the accompanying drawings should be regarded as illustrative only and not restrictive unless expressly indicated otherwise. In addition, the term "or" as used herein is generally intended to mean "and/or" unless stated otherwise. Combinations of components or steps will also be considered to have been specified where the term is foreseen because the ability to provide separation or combination is unclear.

As used in the description herein and throughout the claims below, "a", and "the" include plural references unless otherwise specified. Likewise, as used in the description herein and throughout the claims below, unless otherwise specified, the meaning of "in" includes "in" and "on".

The above description of illustrated embodiments of the invention, including what is described in the Abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. Although specific embodiments of the invention and examples of the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit of the invention, as those skilled in the art will recognize and appreciate and within range. As indicated, these modifications can be made to the present invention in light of the above description of the described embodiments of the present invention and are intended to be within the spirit and scope of the present invention.

The systems and methods have generally been described herein with details that are helpful in understanding the invention. Furthermore, various specific details have been given in order to provide a general understanding of the embodiments of the present invention. Those skilled in the relevant art will recognize, however, that embodiments of the invention may be practiced without one or more of the specific details, or with other devices, systems, accessories, methods, components, materials, parts, etc. Practice. In other instances, well-known structures, materials and/or operations have not been specifically shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Thus, although the invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are also within the above disclosure, and it should be understood that, in certain circumstances, Some features of the present invention will be employed without the corresponding use of other features within the scope and spirit of the present invention. Therefore, many modifications may be made to adapt a particular environment or material to the true scope and spirit of the invention. It is not intended that the present invention be limited to the specific terms used in the following claims and/or the specific embodiments disclosed as the best modes contemplated for carrying out the present invention, but the present invention is to be included within the scope of the appended claims. Any and all embodiments and equivalents are within the scope of the claims. Accordingly, the scope of the present invention should be determined only by the appended claims.

Claims (10)

1. A straddle-type displacement device, comprising:

moving the base;

the supporting assembly is arranged on the movable base;

the bearing seat is movably connected to the support assembly and is provided with a first station and a second station relative to the support assembly;

a holding mechanism disposed between the support assembly and the carrier, the holding mechanism being configured to hold the carrier at the first station and to release the carrier from the first station;

the auxiliary lifting mechanism is arranged on the supporting component and forms a sliding pair with the supporting component;

the auxiliary lifting mechanism can lift relative to the supporting component to realize height adjustment so as to assist a user in completing a lifting process and/or assist the user in completing a process from sitting to standing.

2. The straddle-type displacement device of claim 1, wherein the auxiliary lift mechanism comprises a support bracket and a first linear actuator;

the support frame is arranged on the support component, a moving pair is formed by the support frame and the support component, and the first linear actuator is arranged between the support frame and the support component and used for adjusting the lifting of the support frame.

3. The straddle-type displacement device of claim 2, wherein the auxiliary lifting mechanism further comprises an auxiliary support member disposed on the support frame at a position corresponding to a position under the armpit or under the arm of the user.

4. The straddle-type displacement device according to claim 1, further comprising a second linear actuator, wherein the support assembly and the movable base form a moving pair, and the second linear actuator is used for lifting and lowering the support assembly.

5. The straddle-type displacement device of claim 2, wherein the auxiliary lifting mechanism further comprises a forward-leaning auxiliary chest support member fixedly arranged on a side of the support frame close to the user, the forward auxiliary chest support member corresponding to the position of the chest of the user.

6. The straddle-type displacement device according to claim 1, wherein the moving base comprises a base and two bearing bases, the two bearing bases and the base form a moving pair, and the distance between the two bearing bases is adjustable.

7. The straddle-type displacement device of claim 6, further comprising a pitch adjustment mechanism comprising a drive member, a worm gear, a lead screw, and a pair of lead screw nuts;

the screw rod is rotatably arranged in the base, and two ends of the screw rod are provided with thread sections with opposite thread turning directions;

the turbine is fixedly sleeved on the lead screw;

the pair of screw rod nuts are respectively sleeved on the thread sections at the two ends of the screw rod and are respectively fixedly connected with the two bearing bases;

the worm is arranged on the base and positioned on one side of the worm wheel, and the worm wheel are meshed with each other;

the driving component is fixedly connected with the worm, the driving component is configured to drive the worm to rotate, and the driving component comprises a manual driving component or an electric driving component.

8. The straddle displacement device of any one of claims 1-7, wherein the retaining mechanism comprises a first link, a second link, a third link, a lever, and a locking mechanism;

one end of the first connecting rod is hinged with the middle part of the bearing seat, and the other end of the first connecting rod is hinged with one end of the second connecting rod;

the other end of the second connecting rod is hinged with the supporting component;

one end of the third connecting rod is hinged with the second connecting rod;

the fulcrum of the lever is hinged to the supporting component, and one end of the lever is hinged to the other end of the third connecting rod;

the locking mechanism is arranged on the supporting component and assembled to enable the position of the lever and the position of the supporting component to be kept relatively fixed when the bearing seat is located at the first station.

9. The straddle-type displacement device of claim 8, wherein the retaining mechanism further comprises a third linear actuator, one end of which is hinged to the support assembly and the other end of which is hinged to the power arm of the lever.

10. The straddle-type displacement device according to any one of claims 1 to 7, wherein the holding mechanism comprises a first link, a second link, and a third linear actuator; one end of the first connecting rod is hinged with the middle part of the bearing seat, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the supporting component, one end of the third linear actuator is hinged on the supporting component, and the other end of the third linear actuator is hinged with the middle part of the first connecting rod or the second connecting rod.

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