CN210096020U

CN210096020U - Multifunctional lower limb tractor

Info

Publication number: CN210096020U
Application number: CN201920050545.1U
Authority: CN
Inventors: 尹磊; 黄德榕; 刘晓丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2020-02-21
Anticipated expiration: 2029-01-11

Abstract

The utility model relates to a multi-functional tractor of low limbs, including hydraulic means, gear mechanism, supporting mechanism and movable rod, hydraulic means and gear mechanism swing joint, movable rod and gear mechanism swing joint, supporting mechanism can dismantle with the movable rod and be connected, hydraulic means includes the hydraulic stem at least, hydraulic pressure pipe and hydraulic pump fixed connection, the hydraulic stem is based on hydraulic pressure force's of hydraulic pump change with the mode and the hydraulic pressure pipe swing joint that change the length of hydraulic stem, the movable rod is based on the vice mode and the hydraulic stem swing joint with the length that changes the movable rod of removal that gear mechanism and movable rod formed. The retractor is simple in structure, and can be adjusted according to patients, so that the patients can be better recovered.

Description

Multifunctional lower limb tractor

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a multi-functional tractor of low limbs.

Background

At present, a tractor used for the reduction of lower limb fracture patients in each hospital mainly comprises a traction rope and a pulley, one end of the traction rope is connected with a bracket at the fracture part, and the other end of the traction rope bypasses the pulley to suspend weights, and traction force is controlled by increasing the number of the weights or changing the weight of the weights manually. The patient lies in the sickbed and can move and bounce, so that the traction force is changed, and once the traction force is changed, the weight of the weight is adjusted. However, the existing manual control method is very inconvenient for frequently changing the weight, which not only increases the work burden of hospital nurses, but also brings trouble to the reduction of fracture patients.

For example, chinese patent publication No. CN203790099U discloses an automatic lower limb fracture retractor, which comprises a traction rope and a pulley mounted on a hospital bed, wherein one end of the traction rope is connected to a bracket disposed at a fracture site, the other end of the traction rope is connected to a worm after being wound around the pulley, and the worm is engaged with a worm wheel driven by a motor. The utility model pulls the bracket through the transmission mode of the worm gear and the worm, replaces the original manual method and brings convenience to the hospital; and an automatic control system is formed by the control center, the dynamometer and the motor, once the traction force changes, the control system can automatically adjust the traction force, the aim of accurately controlling the traction force is fulfilled, and the fracture patient can be recovered as soon as possible.

However, when the retractor is used, the position of the retractor cannot be adjusted, if the body of a patient is small, the patient needs to be moved to a proper position for use, the retractor is very inconvenient, the retractor works by adopting a motor, the noise is high, and the rest and recovery of other patients can be influenced in a hospital.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a multi-functional tractor of low limbs, including hydraulic means, gear mechanism, supporting mechanism and movable rod, hydraulic means with gear mechanism swing joint, the movable rod with gear mechanism swing joint, supporting mechanism with the connection can be dismantled to the movable rod, wherein, hydraulic means includes hydraulic stem, hydraulic pressure pipe and hydraulic pump at least, wherein, the hydraulic pressure pipe with hydraulic pump fixed connection, the hydraulic stem is based on the hydraulic pressure force's of hydraulic pump change is in order to change the length of hydraulic stem the mode with hydraulic pressure pipe swing joint, the movable rod based on gear mechanism with the removal that the movable rod formed is vice in order to change the length of movable rod the mode with hydraulic stem swing joint.

According to a preferred embodiment, the gear mechanism comprises a gear, a handle and a fixed lever, wherein the gear and the movable lever form the moving pair in a manner of meshing with each other; the handle is fixedly connected with the gear, one end of the fixed rod is fixedly connected with the hydraulic rod, the other end of the fixed rod is movably connected with the gear, and the hydraulic rod is provided with a channel for the movable rod to move.

According to a preferred embodiment, the supporting mechanism at least comprises a connecting rod, a supporting disk and a hinge mechanism, wherein one end of the connecting rod is detachably connected with the movable rod, and the other end of the connecting rod can be movably connected with the supporting disk in a mode of changing an included angle between the connecting rod and the supporting disk through the hinge mechanism.

According to a preferred embodiment, the fixing device at least comprises a first locking block, a second locking block, a stud and a movable mechanism, wherein one end of the first locking block is movably connected with one end of the second locking block in a rotating mode through the movable mechanism, and the other end of the first locking block is fixedly connected with the other end of the second locking block in a threaded connection mode through the stud.

According to a preferred embodiment, the fixing rod is provided with a cylindrical shaft, and the gear is provided with a first cylindrical hole engaged with the cylindrical shaft, so that the fixing rod and the gear can be rotatably connected under the condition that the cylindrical shaft and the cylindrical hole are matched.

According to a preferred embodiment, the first lock block is provided with a first semicircular cavity with a downward opening, the second lock block is provided with a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity, the first lock block is provided with a hole through which the stud can pass, the stud is provided with an external thread, and the second lock block is provided with an internal thread hole matched with the external thread of the stud.

According to a preferred embodiment, one end of the fixing device is fixedly connected with the bed body, and the other end of the fixing device is fixedly connected with the hydraulic pipe, so that the first locking block is fixedly connected with the second locking block in a manner of fixing the hydraulic pipe based on the thread locking force of the stud.

According to a preferred embodiment, the movable rod is provided with a first tooth, and the gear wheel is provided with a second tooth meshing with the first tooth.

According to a preferred embodiment, the angle of the angle ranges between 90 and 120 degrees.

According to a preferred embodiment, the support disc is U-shaped, viewed in the left-hand view of the connecting rod.

The utility model provides a multi-functional tractor of low limbs's beneficial effect includes at least: the utility model discloses an use hydraulic means and gear mechanism for when using the tractor, can change the height that patient's low limbs was adjusted to the length of hydraulic means, can change the length of movable rod through gear mechanism, adjust the position of supporting disk, make the supporting disk reach the most comfortable position of patient, through hydraulic means and gear mechanism's regulation, can help the patient to resume as early as possible.

Drawings

Fig. 1 is a schematic structural view of a multifunctional lower limb tractor provided by the present invention;

fig. 2 is a schematic structural diagram of a preferred gear mechanism provided by the present invention;

fig. 3 is a side view of the gear mechanism provided by the present invention;

fig. 4 is a schematic structural diagram of a preferred supporting mechanism provided by the present invention; and

fig. 5 is a schematic structural view of a fixing device provided by the present invention; and

fig. 6 is a schematic structural diagram of a support plate according to the present invention.

List of reference numerals

1: the hydraulic device 2: the fixing device 3: gear mechanism

4: the movable rod 5: the support mechanism 11: hydraulic rod

12: the hydraulic pipe 13: the hydraulic pump 21: first lock block

22: stud 23: second lock piece 24: movable mechanism

31: first tooth 32: the handle 33: gear wheel

34: fixing rod 51: connecting rod 52: support plate

53 hinge mechanism A, bed body α with included angle

35: second tooth

Detailed Description

The following detailed description is made with reference to fig. 1 to 6.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1, the present embodiment provides a lower limb multi-function retractor. The tractor at least comprises a hydraulic device 1, a fixing device 2, a gear mechanism 3, a supporting mechanism 5, a bed body A and a movable rod 4. Preferably, the hydraulic device 1 is detachably connected with the bed A through a fixing device 2. The convenience of the user, if when not using, can dismantle hydraulic means 1 and bed body A, place alone, save space. The fixing device 2 is fixedly connected with the bed body A. The gear mechanism 3 is movably connected with the hydraulic device 1. The user can adjust the length of the movable rod 4 conveniently, so as to adjust the position between the lower limb of the user and the supporting mechanism 5, and the user can conveniently use the device. The movable rod 4 is movably connected with the gear mechanism 3. The movable rod 4 is movably connected with the hydraulic device 1. The support mechanism 5 is connected with the movable rod 4. Preferably, the hydraulic device 1 comprises at least a hydraulic rod 11, a hydraulic pipe 12 and a hydraulic pump 13. Wherein, hydraulic stem 11 and hydraulic pressure pipe 12 swing joint, hydraulic stem 11 can move up and down along hydraulic pressure pipe 12, hydraulic pressure pipe 12 and fixing device 2 swing joint. The hydraulic pipe 12 is fixedly connected with a hydraulic pump 13. Under the action of the hydraulic pump 13, liquid can flow into the hydraulic pipe 12, and the hydraulic rod 11 is pushed to move up and down. Preferably, the hydraulic ram is in a "" configuration.

Preferably, as shown in fig. 5, the fixing device 2 includes at least a first locking piece 21, a stud 22, a second locking piece 23 and a movable mechanism 24. Wherein, one end of the first locking block 21 is movably connected with one end of the second locking block 23 through a movable mechanism 24. The first lock piece 21 and the second lock piece 23 can rotate around the movable mechanism 24. The other end of the first locking block 21 is fixedly connected with the other end of the second locking block 23 through a stud 22. The stud 22 is provided with an external thread, and the first locking piece 21 is provided with a hole through which the stud 22 can pass. The second lock piece 23 is provided with an internal threaded hole that fits the external thread of the stud 22. The first locking piece 21 is provided with a first semicircular cavity with a downward opening, and the second locking piece 23 is provided with a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity. When the stud 22 is disengaged from the internal threaded hole, the first locking piece 21 and the second locking piece 23 can rotate around the movable mechanism 24, the first locking piece 21 and the second locking piece 23 are opened, the hydraulic pipe 12 is installed in the cavities of the first locking piece 21 and the second locking piece 23, the first locking piece 21 and the second locking piece 23 are combined together, and the stud 22 is fixedly connected. The movable mechanism 24 is fixedly connected with the bed body A.

Preferably, as shown in fig. 2 and 3, the gear mechanism 3 includes at least a first tooth 31, a second tooth 35, a gear 33, a handle 32, and a fixing lever 34. Wherein, one end of the fixed rod 34 is fixedly connected with the hydraulic rod 11. The other end of the fixing rod 34 is movably connected with the gear 33, and the handle 32 is fixedly connected with the gear 33. The movable rod 4 is in meshing connection with the gear 33 through the first tooth 31 and the second tooth 35. The movable bar 4 is provided with a first tooth 31. The gear 33 is provided with a second tooth 35, and the first tooth 31 and the second tooth 35 are meshed and connected. The movable rod 4 is movably connected with the hydraulic rod 11, and a channel for the movable rod 4 to move is arranged on the hydraulic rod 11. The fixing rod 34 is provided with a first cylindrical shaft, and the gear 33 is provided with a first cylindrical hole matched with the first cylindrical shaft, so that under the condition that the first cylindrical shaft is matched with the first cylindrical hole, the fixing rod 34 and the gear 33 can be rotatably connected. When the handle 32 is rotated, the gear 33 is rotated, and the movable rod 4 engaged with the gear 33 is moved.

Preferably, as shown in fig. 4, the support mechanism 5 at least comprises a connecting rod 51, a support plate 52 and a hinge mechanism 53, preferably, the connecting rod 51 is in a shape of "7", as shown in fig. 6, the support plate 52 is in a U shape, one end of the connecting rod 51 is detachably connected with the movable rod 4, and the other end of the connecting rod 51 is movably connected with the support plate 52 through the hinge mechanism 53, the support plate 52 can rotate around the hinge mechanism 53 to change an included angle α between the connecting rod 51 and the support plate 52, the included angle α ranges from 90 degrees to 120 degrees, the size of the included angle α is adjusted to enable the lower limb of a user to be in a comfortable position on the support plate 52, when the included angle α needs to be adjusted, downward pressure is applied to the support plate 52, the support plate 52 rotates clockwise around a hinge point between the support plate 52 and the connecting rod 51, the included angle α increases, upward thrust is applied to the support plate 52, the support plate 52.

In order to facilitate understanding, the working principle of the multifunctional lower limb tractor of the invention is discussed.

When a patient needs to use the tractor, firstly, the hydraulic device 1 is fixed on a bed body A through the fixing device 2, the patient lies on the bed body A, the lower limbs of the patient are placed on the supporting plate 52, the included angle α between the supporting plate 52 and the connecting rod 51 is adjusted to enable the included angle to be the most comfortable angle for the lower limbs of the patient, then the gear mechanism 3 is adjusted, the length of the movable rod 4 is changed to enable the movable rod to reach the length suitable for the patient to use, the movable rod 4 is fixed, finally, the hydraulic pump 13 in the hydraulic device 1 is changed, liquid flows into the hydraulic pipe 12 through the hydraulic pump 13, the hydraulic rod 11 is pushed to move up and down, the lower limbs of the patient move up and down, the patient is helped to move the.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. A lower limb multifunctional retractor comprises a hydraulic device (1), a gear mechanism (3), a supporting mechanism (5) and a movable rod (4), and is characterized in that the hydraulic device (1) is connected with the gear mechanism (3), the movable rod (4) is movably connected with the gear mechanism (3), the supporting mechanism (5) is detachably connected with the movable rod (4),

wherein the hydraulic device (1) at least comprises a hydraulic rod (11), a hydraulic pipe (12) and a hydraulic pump (13),

the hydraulic pipe (12) is fixedly connected with the hydraulic pump (13), the hydraulic rod (11) is movably connected with the hydraulic pipe (12) in a mode of changing the length of the hydraulic rod (11) based on the change of hydraulic pressure of the hydraulic pump (13), and the movable rod (4) is movably connected with the hydraulic rod (11) in a mode of changing the length of the movable rod (4) based on a moving pair formed by a gear mechanism (3) and the movable rod (4).

2. The retractor according to claim 1, wherein said gear mechanism (3) comprises a gear (33), a handle (32) and a fixing rod (34),

wherein the gear (33) and the movable rod (4) form the moving pair in a manner of meshing with each other; the handle (32) is fixedly connected with the gear (33), one end of the fixed rod (34) is fixedly connected with the hydraulic rod (11), the other end of the fixed rod (34) is movably connected with the gear (33), and the hydraulic rod (11) is provided with a channel for the movable rod (4) to move.

3. The retractor according to claim 1 or 2, wherein said support means (5) comprise at least a connecting rod (51), a support plate (52) and articulation means (53),

wherein, the one end of connecting rod (51) with activity pole (4) can be dismantled and be connected, the other end of connecting rod (51) can pass through hinge mechanisms (53) with change the mode of connecting rod (51) with the contained angle (α) between supporting disk (52) with supporting disk (52) swing joint.

4. The retractor according to claim 1, wherein the fixing device (2) comprises at least a first locking piece (21), a second locking piece (23), a threaded stud (22) and a moving mechanism (24),

one end of the first locking block (21) is movably connected with one end of the second locking block (23) in a rotating mode through the movable mechanism (24), and the other end of the first locking block (21) is fixedly connected with the other end of the second locking block (23) in a threaded connection mode through a stud (22).

5. The retractor according to claim 2, wherein said fixing rod (34) is provided with a cylindrical shaft and said gear wheel (33) is provided with a first cylindrical hole engaging with said cylindrical shaft, so that said fixing rod (34) is rotatably connected with said gear wheel (33) in case of cooperation of said cylindrical shaft and said cylindrical hole.

6. The retractor according to claim 4, wherein a first semicircular cavity with a downward opening is formed in the first locking block (21), a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity is formed in the second locking block (23), a hole for the stud (22) to pass through is formed in the first locking block (21), an external thread is formed in the stud (22), and an internal thread hole matched with the external thread of the stud (22) is formed in the second locking block (23).

7. The retractor according to claim 4, wherein one end of said fixing device (2) is fixedly connected to the bed (A) and the other end of said fixing device (2) is fixedly connected to said hydraulic tube (12), so that said first locking block (21) is fixedly connected to said second locking block (23) in a manner of fixing the hydraulic tube (12) based on the screw locking force of said stud (22).

8. The retractor according to claim 2, wherein said movable rod (4) is provided with a first tooth (31) and said gear wheel (33) is provided with a second tooth (35) meshing with said first tooth (31).

9. The retractor of claim 3, wherein said included angle (α) ranges between 90 degrees and 120 degrees.

10. The retractor according to claim 3 wherein said support plate (52) is U-shaped as viewed in a left side view of said connecting rod (51).