JP3060782U - Foldable electric tow - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To be easily and easily folded, to be easily operated by a user with an electric motor, and to be able to extend the lumbar spine of the user. Is provided. SOLUTION: A back plate (1) is provided on an upper part of a front frame (12).
00), a front leg (14) is provided at the front end. A rear plate (200) is provided on the upper part of the rear frame (22), a telescopic frame (23) is provided at the rear end so as to be extendable and contractible, and a rear leg (24) is provided at the rear end of the telescopic frame (23). The connecting member (30) includes a front frame (12) and a rear frame (2).
2) and has a middle leg (34). The linear motor (2) provided on the bottom of the rear frame (22)
A sliding portion (40) driven by 6) is provided on the telescopic frame (23), and a footrest member (42) is provided above the sliding portion (40). Sliding part (40) and front leg part (14)
Are connected by a wire (50).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a foldable electric retractor that can extend the entire body and reduce pain in patients with osteophytes and herniated discs.

[0002]

[Prior art]

 There are many types of spinal disorders, and the number of patients with osteophyte disorders is increasing year by year. In recent years, more and more professions have used computers, which has led to a growing number of patients suffering from back pain and herniated discs.

[0003] As a method for treating the above-mentioned disorders, there are generally physical treatments such as skeletal, neurological, and rehabilitation departments. Surgery is not so recommended unless the symptoms are severe. In addition, since tractors used for rehabilitation treatments in recent years have a certain traction effect, many doctors recommend the use of the tractors.

Further, when using the towing device in a house, the patient can manually operate the towing device, so that there is no need for assistance from another person. There is no need for treatment.

[0005]

[Problems to be solved by the invention]

 However, commercially available tractors, such as the tractors, are fixed, so that they cannot be folded after use and cannot be carried and stored. Also, the assembled tractor is quite large, wasting most of the room space.

[0006] Also, existing tractors can only perform simple traction movements, so their effect is limited. If the exercise is combined with the exercise of stretching the lumbar spine and the back muscles, it can exert a great pressure on the lumbar spine and restore healthy and normal condition. However, a retraction device capable of performing the above-mentioned exercise and the exercise of stretching the back muscle has not yet been made.

[0007] In addition, the operation of the existing towing device is considerably convenient because the towing member is moved by pushing and rotating the operating rod with the patient's own hand to operate the towing device. However, when the patient's hand is weak, the operating rod cannot be pushed or turned, so that the existing retractor cannot be used.

The present invention solves such a problem, and when used, it is sufficient to simply deploy the foldable electric tractor, and when not in use, fold the foldable electric tractor to make it easier to use. An object of the present invention is to provide a foldable electric tractor that can be stored in a storage place and that can effectively use a room or the like. Another object of the present invention is to provide a folding electric tractor that can be easily and easily operated by a user. Another object of the present invention is to provide a foldable electric tractor that can extend the lumbar spine of the user and enhance the traction effect.

[0009]

[Means for Solving the Problems]

 The folding electric tow of the present invention has a front frame (12) provided with a back plate (100) at the top and a front leg (14) provided at the front end of the front frame (12). A member (10), a rear frame (22) having a buttocks (200) provided thereon, a telescopic frame (23) provided to be extendable from the rear end of the rear frame (22), and a telescopic frame thereof. (23) A rear member (20) having a rear leg (24) provided at the rear end, the front member (10) and the rear member (20) are connected, and a middle leg (34) is connected. A linear motor (26) is provided on the bottom surface of the rear frame (22), and slides on the expansion / contraction frame (23) by driving the linear motor (26). A sliding part (40) is provided, A footrest member (42) interlocking with the sliding portion (40) is provided above the portion (40), and a wire (50) is provided between the sliding portion (40) and the front leg portion (14). It is characterized by having been done. According to the above configuration, when used, the foldable electric tractor simply needs to be deployed, and when not used, the foldable electric tractor can be folded and easily stored in the storage space, and can be used in a room or the like. Can be used effectively.

Further, according to the above configuration, the linear motor (26) is provided, and the linear motor (26) is interlocked with the footrest member (42) to drive the linear motor (26). Since the footrest member (42) also moves, the user can operate the foldable electric tractor of the present invention easily and easily, which is very convenient.

Further, according to the above configuration, the wire (50) is provided between the sliding portion (40) and the front leg portion (14). As described above, the footrest member (42) is interlocked with the linear motor (26), and when the footrest member (42) moves to a certain extent, the connecting member (30) is lifted by the wire (50), and thereby the user can move. The lumbar spine can be further extended, so that the traction effect can be further enhanced.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0013]

[Embodiment of the invention]

 FIG. 1 is an exploded perspective view of the present invention, FIG. 2 is an exploded side view of the present invention, FIG. 3 is an enlarged perspective view of a connecting member of the present invention, and FIG. 4 drives a linear motor of the present invention. FIG. 5 is a side view showing a state in which the connecting member is pulled up. FIG. 5 is a side view of the foldable electric tractor of the present invention when it is folded. FIG. 6 is an enlarged perspective view of the fixed tube and handle of the present invention. FIG. 7 is an enlarged plan view of a part of the rear frame according to the present invention.

As shown in FIG. 1, the folding electric tractor of the present invention is provided with a front leg (14) at the front, a rear leg (24) at the rear, and a middle part between the two. A leg (34) is provided, and a back plate (100) and a butt plate (200) for the user to lie down are provided above the three members, and the back plate (200) is moved behind the butt plate (200). A possible footrest member (42) is provided to allow the user to move the footrest member (42) when the user lies on top of the backboard (100) and buttocks (200). To provide the user with an effective traction movement.

As shown in FIG. 2, the structure of the foldable electric tractor of the present invention connects the front member (10) and the rear member (20), and connects the front member (10) and the rear member (20). The front member (10) comprises a front frame (12) provided with a back plate (100) at an upper portion thereof and a front leg provided at a front end of the front frame (12). (14), caster caps (140) provided at both lower ends of the front leg (14), a second wire plate (142) provided behind the front leg (14), and the front frame ( And a fixed tube (16) provided near the lower rear end of the fixed tube (12), and handles (18) are respectively inserted from both sides of the fixed tube (16).

The rear member (20) has a rear frame (22) provided with a tail plate (200) at an upper portion and an expansion / contraction member provided so as to extend and contract from the rear end of the rear frame (22). A rear leg (24) provided at the rear end of the frame (23) and its telescopic frame (23); a roller (240) provided at the rear end of the rear leg (24); An inner rod (242) provided at the lower end of (24) and capable of adjusting the height; a pin (244) provided near the lower end of the rear leg (24); and a bottom provided on the rear frame (22). A linear motor (26), and an operating shaft (260) extends rearward from the rear end of the linear motor (26).

As shown in FIG. 3, the structure of the connecting member (30) is such that a connecting portion (32) is provided laterally above the connecting member (30), and the connecting portion (32) is provided on both sides of the connecting portion (32). A notch (320) for pivotally attaching the front frame (12) and the rear frame (22) is formed, and a sleeve (33) is formed below the notch (320). The sleeve part (33) is externally fitted to an internal rod (340) integrally formed on the upper part of the middle leg part (34), and is attached to the side surface of the sleeve part (33) from the bottom of the internal rod (340). The height of the sleeve (33) can be adjusted up to the upper end, and a pin (346) is provided at a position corresponding to the two to fix the sleeve (33) and the inner rod (340). Attached to the center of the middle leg (34) A roller (342) is provided at each of the front and rear ends, and an elongated hole (344) is formed on the internal rod (340) above the respective roller (342).

As shown in FIG. 2, the sliding portion (40) can move in one direction on the telescopic frame (23), and a linear motor (26) is provided on the bottom surface of the rear frame (22). An operating shaft (260) is provided at the rear end of the linear motor (26) so as to extend rearward, and the other end of the operating shaft (260) is connected to a lower portion of the sliding portion (40). The sliding part (40) moves on the telescopic frame (23) by the operation of the linear motor (26).

The footrest member (42) is provided above the sliding portion (40), and a lower rod (1) integrally formed with the sliding portion (40) below the footrest member (42). 44), an adjustment slot (460) is formed above the lower rod (44), and a unidirectionally adjustable upper rod (46) is provided on the adjustment slot (460). An adjustment lever (462) is provided on the upper part of the footrest member (42), and is provided between the lower rod (44) and the upper rod (46) above a position where the adjustment slot (460) is formed. Since an adjusting lever (462) for adjusting the height is provided, the upper rod (46) can be adjusted to a desired height by the user, and a rear rod (46) is provided at the rear of the upper rod (46). 468) are integrally formed, so that the upper part The rod (46) and the rear rod (468) can be adjusted simultaneously. A first wire plate (48) is provided at a lower end of the sliding portion (40).

A wire (50) is provided below the front member (10) and the rear member (20), and hooks (52) are provided at both ends of the wire (50). ) Is connected to a second wire plate (142) provided at a rear portion of the front leg portion (14), and the other is connected to a first wire plate (48) of the sliding portion (40). The center of 50) is penetrated by the slot (344) in the middle leg (34), and the wire (50) is also provided on the upper part of the roller (342) on both sides of the middle leg (34). Is provided.

FIG. 4 shows a state in which the wire (50) is interlocked by the operation of the linear motor (26), whereby the connecting member (30) is pulled upward. By the operation of 26), the sliding portion (40), the first wire plate (48) provided below the sliding portion (40), and a wire connected to the first wire plate (48). When the wire (50) is moved rearward and the wire (50) is pulled to the limit, the operating shaft (260) stops moving rearward and interlocks with the operating shaft (260). The sliding part (40) is also stopped moving. At that time, the linear motor (26) is receiving the reaction force of the extending operation of the operating shaft (260), and at the same time, the caster cap (140) of the front leg (14) also starts moving backward. Thereby, as shown in FIG. 4, the front-stage member (10) and the rear-stage member (20) are bent downward around the connection member (30), and the connection member (30) is lifted upward. This can provide the user with a further action of stretching the lumbar spine and the back muscles, and if the user wants to cancel the action of stretching the lumbar spine and the back muscles, simply use the respective wires at both ends of the wire (50). These hooks (52) may be separated from the second wire plate (142) and the first wire plate (48).

As can be seen in FIG. 4, when the wire (50) is tight and the wire (50) is on the upper edge of the slot (344) in the middle leg (34), The linear motor (26) continues to operate, and the operating shaft (260) also continues to extend backward in conjunction therewith, whereby the connecting member (30) starts to rise. When the wire (50) is located at the lower edge of the slot (344), the connecting member (30) has reached the upper limit position and stops rising. At this time, the clutch and the detection switch installed inside the linear motor (26) stop the rearward extension of the operating shaft (260), thereby ensuring the normal operation of the present invention and at the same time. Also, the safety of the user can be ensured.

If the wire (50) becomes loose or breaks, the connection member (30) stops rising. Further, the operation of the linear motor (26) stops when the operating shaft (260) extends to the maximum. In other words, the operation of the linear motor (26) stops when the operation shaft (260) is completely extended, so that there is no problem in safety at all.

As shown in FIG. 5, after using the foldable electric traction device of the present invention, if it is desired to fold and remove the tractor, first, the linear motor (26) must be at a position where the operating shaft (260) can be stored. Then, the telescopic frame (23) is returned to the rear frame (22) until the telescopic frame (23) has an appropriate length. Then, the connecting member (30) is lifted upward, and at the same time, the front-stage member (10) and the rear-stage member (20) are folded so as to approach each other below, thereby reducing the volume of the entire tractor to the utmost. At the same time, the roller (240) on the rear leg (24) touches the ground, so that the user can easily and safely fold and move the towbar.

As shown in FIG. 6, outer holes (160) are provided near both ends of the fixed tube (16), and the handle (18) is inserted from both ends of the fixed tube (16). An inner hole (180) is provided at a position where the handle (18) and the outer hole (160) of the fixing tube (16) correspond to each other, and a fixing pin is provided at the outer hole (160) and the inner hole (180). The handle (18) is fixed to the fixing tube (16) by passing through (182).

When the folding electric tow of the present invention is not used, the handle (18) can be easily removed from the fixed tube (16), which is convenient. In addition, when used, the handle (18) allows the user to easily control the strength of both hands of the user lying on the tractor and easily adjust the position and angle of the body. Therefore, practicality can be improved.

As shown in FIG. 7, a screwing base (220) is provided on one side of the rear frame (22), and the screwing base (220) has a screw member (224). A member (222) is screwed into the rear frame (22), and a through hole (226) for passing the screw (224) is formed at a position corresponding to the knob member (222). The screw portion (224) at the tip of the knob member (222) penetrates through the rear frame (22) and is fixed to the side surface of the telescopic frame (23). Therefore, the user of the towing device can adjust the length of the telescopic frame (23) by using the knob member (222).

[0028]

[Effect of the invention]

 Since the present invention has the above configuration, the folding can be performed easily and easily, so that the room and the like can be used effectively. In addition, since the retractor of the present invention is electric, the user can easily operate the folding electric retractor of the present invention, and the user can further extend the lumbar spine by lifting the connecting member. Therefore, it is not only practical but also effective.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a foldable electric tractor according to an embodiment of the present invention.

FIG. 2 is an exploded side view of the foldable electric tractor.

FIG. 3 is an enlarged perspective view of a connecting member in the foldable electric tractor.

FIG. 4 is a side view of the foldable electric tractor, showing a state in which a linear motor is driven and a connecting member is pulled upward.

FIG. 5 is a side view when the foldable electric tow is folded.

FIG. 6 is an enlarged perspective view of a fixed tube and a handle in the foldable electric tractor.

FIG. 7 is an enlarged plan view of a part of a rear frame of the foldable electric tractor.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 front member 100 back plate 12 front frame 14 front leg 140 caster cap 142 second wire plate 16 fixing tube 160 outer hole 18 handle 180 inner hole 182 fixing pin 20 rear member 200 rear plate 22 rear frame 220 screw base 222 knob member 224 screw part 226 through hole 23 telescopic frame 24 rear leg part 240 roller 242 internal rod 244 pin 26 linear motor 260 operating shaft 30 coupling member 32 coupling part 320 notch part 33 sleeve part 34 middle leg part 340 internal rod 342 roller 344 length Hole portion 346 Pin 40 Sliding portion 42 Footrest member 44 Lower rod 46 Upper rod 460 Adjusting long hole 462 Adjusting lever 468 Rear rod 48 First wire plate 50 Wire 52 Hook

Claims (8)

[Utility model registration claims] 1. A front member (10) having a front frame (12) provided with a back plate (100) on an upper portion and a front leg (14) provided at a front end of the front frame (12).
And a rear frame (2) provided with a bottom plate (200)
2) and a rear member (23) having a telescopic frame (23) provided to be extendable from the rear end of the rear frame (22) and a rear leg (24) provided at the rear end of the telescopic frame (23). 20), and a connecting member (30) for connecting the front member (10) and the rear member (20) and having a middle leg (34), and a linear motor on the bottom surface of the rear frame (22). (2
And a sliding portion (4) that slides on the telescopic frame (23) by driving the linear motor (26).
0) is provided, and a footrest member (42) interlocking with the sliding portion (40) is provided above the sliding portion (40), and the sliding portion (40) and the front leg portion (14) are provided. A foldable electric tractor, wherein a wire (50) is provided therebetween. 2. The foldable electric traction device according to claim 1, wherein caster caps (140) are provided at both ends of the front leg (14). 3. A fixed pipe (16) is fixed to a bottom surface near a rear end of the front frame (12), and outer holes (160) are formed near left and right ends of the fixed pipe (16), respectively. The openings on both sides of (16) have handles (1
8) is inserted and an inner hole (18) is formed at a position corresponding to the outer hole (160) in each of the handles (18).
0) is formed, and the outer hole (160) and the inner hole (18) are formed.
The folding electric traction device according to claim 1, characterized in that a fixing pin (182) for fixing the handle (18) to the fixing tube (16) is provided so as to pass therethrough. 4. The foldable electric traction device according to claim 1, wherein rollers (240) are provided at both rear ends of the rear legs (24). 5. A screw mount (220) is provided near the rear end of the rear frame (22), and the screw mount (220) includes:
A knob member (222) having a screw portion (224) is screwed into the knob member (222) of the rear frame (22).
The foldable electric traction device according to claim 1, wherein a through hole (226) for penetrating the screw portion (224) is formed at a portion corresponding to the foldable electric traction device (22). 6. A connecting member (30) provided at an upper portion and formed in a lateral direction, and a sleeve portion (33) provided below the connecting portion (32).
A middle leg (3) provided below the sleeve (33).
And a notch (320) for pivotally supporting the rear end of the front frame (12) and the front end of the rear frame (22) on both sides of the connecting portion (32). An inner rod (340) is integrally formed on the upper portion of the middle leg (34) so as to extend upward.
The sleeve portion (33) is externally fitted on the upper portion of the sleeve portion (0), and a pin for adjusting the height from the bottom of the internal rod (340) to the upper end of the sleeve portion (33) on the side surface of the sleeve portion (33). (346) is attached, and the middle leg (34) is attached.
A roller (342) for laying a wire (50) is provided on the front and rear sides of the inner rod (34).
0) through which the wire (50) passes.
The foldable electric tractor according to claim 1, wherein 4) is formed. 7. An operating shaft (260) is connected to a rear end of the linear motor (26), and a rear end of the operating shaft (260) is connected to a lower portion of the sliding portion (40), and a footrest member (42).
A lower rod (44) formed below the lower rod (44) and the sliding portion (40) are integrally formed, and an adjustment slot (460) is formed above the lower rod (44). ), The upper rod (46) is attached so as to be vertically adjustable, and the height from the lower rod (44) to the upper rod (46) is higher than the position where the adjustment slot (460) is formed. Adjustment lever (46)
2. The collapsible electric tractor according to claim 1, wherein a rear rod is provided at a rear portion of the upper rod. 3. 8. A first wire plate (48) is provided below the sliding portion (40), and a second wire plate (142) is provided below a rear end of the front leg (14), and the wire (50) is provided. The hooks (52) for connecting to the first wire plate (48) at one end and to the second wire plate (142) at the other end are provided at both ends, respectively. Foldable electric towbar.