CN220608473U - Power device for traction apparatus - Google Patents

Abstract

The utility model discloses a power device for a traction apparatus, which comprises a power device, a bottom plate, a rotatable vertical pipe hinged on the bottom plate, a traction rope and a traction head sleeve, wherein the power device comprises a packaging bottom box which is arranged in the bottom plate; an electric cylinder, a telescopic push rod, a signal receiver and a switching power supply are arranged in the packaging bottom box; the switch power supply is connected with an external power supply through a power line, a wiring terminal of the switch power supply is connected with the signal receiver through a wire, and the electric cylinder is connected with the signal receiver through a wire; the telescopic push rod is connected with the electric cylinder and driven by the electric cylinder to realize a telescopic function; one end of the traction rope is detachably fixed at the outer end of the telescopic push rod; the signal receiver is connected with a wireless remote controller through a signal. The device converts the thrust force generated by the repeated movement of the electric push rod into traction force, thereby reducing the working intensity of medical workers; automatic control is realized through wireless remote control, and great simplicity and convenience are brought to users.

Description

Power device for traction apparatus

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a power device for traction equipment.

Background

Traction is one of the most effective methods of non-surgical treatment of cervical spondylosis at present. Patients with cervical spondylosis generally need to be subjected to multi-position MRI before being subjected to traction treatment by a doctor, and the doctor determines the traction angle and strength according to the MRI result. At present, the most common traction method in hospitals is manual traction, namely doctors adopt certain angles and forces for traction according to the condition that cervical vertebrae of patients are pressed by nerves, so that in the traction process, besides the technical degree of the doctors is tested, the endurance of the doctors is more tested, and if more patients need to be treated, the doctors are easy to fatigue, and the traction treatment effect can be influenced. There are several cervical vertebra tractors on the market, most of which are manual rocking disc type or ball screw type cervical vertebra tractors, and most of the cervical vertebra tractors cannot realize full automation or provide stable traction force, so that a good traction treatment effect cannot be achieved.

Disclosure of Invention

The object of the present utility model is to overcome the above-mentioned drawbacks of the prior art and to provide a power device for a traction apparatus.

The utility model is realized by the following technical scheme: the traction device comprises a power device, a bottom plate, a rotatable vertical pipe hinged on the bottom plate, a traction rope and a traction head sleeve, wherein the power device is arranged in the bottom plate, one end of the traction rope is connected with the traction head sleeve, and the other end of the traction rope is connected with the power device after passing through the rotatable vertical pipe; the power device comprises a packaging bottom box which is arranged in the bottom plate; an electric cylinder, a telescopic push rod, a signal receiver and a switching power supply are arranged in the packaging bottom box; the switch power supply is connected with an external power supply through a power line, a wiring terminal of the switch power supply is connected with the signal receiver through a wire, and the electric cylinder is connected with the signal receiver through a wire; the telescopic push rod is connected with the electric cylinder and driven by the electric cylinder to realize a telescopic function; one end of the traction rope is detachably fixed at the outer end of the telescopic push rod; the signal receiver is connected with a wireless remote controller through signals.

The device converts the thrust force generated by the repeated motion of the electric push rod into traction force, and can keep the traction force to continuously pull the cervical vertebra joint, thereby replacing the manual traction and reducing the working strength of medical workers. When the wireless remote control sends out a signal, the signal is received by the signal receiver, the electric cylinder is further driven to move, and the telescopic push rod is driven to realize telescopic action, so that traction power is provided for traction equipment.

The telescopic push rod is detachably arranged in the packaging bottom box, and the telescopic push rod is a push rod with a plurality of measuring ranges. According to the application scene of the instrument, different power output is realized by changing push rods with different measuring ranges.

Four wires are led out of the signal receiver, two wires are connected with the electric cylinder, and the other two wires are connected with the switching power supply; the switching power supply is provided with five wiring terminals, wherein two wiring terminals are respectively connected with two wires of the signal receiver, and the other three wiring terminals are respectively a fire wire, a zero wire and a ground wire.

The packaging bottom box is provided with a round hole, and the power line passes through the round hole and then is connected with an external power supply.

The packaging bottom box is provided with a notch, the free end of the telescopic push rod penetrates out of the notch, the free end of the telescopic push rod is located inside the bottom plate, the free end of the telescopic push rod is provided with a connecting hole, and the end part of the traction rope detachably penetrates through the connecting hole and is fixed on the telescopic push rod.

Compared with the prior art, the utility model has the advantages that: the device converts the thrust force generated by the repeated movement of the electric push rod into traction force, and can keep the traction on the cervical vertebra joint continuously under the force, thereby replacing the manual traction and reducing the working intensity of medical workers; the device can provide stability and has various traction ranges, can realize automatic control through wireless remote control, brings great simplicity to users, and simultaneously lightens the working strength of treating doctors to a great extent when being used in the treatment department of hospitals.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a construction of an embodiment of the present utility model applied to a horizontal cervical vertebrae tractor;

FIG. 3 is a front view of an embodiment of the present utility model applied to a horizontal cervical vertebra tractor;

FIG. 4 is a top view of an embodiment of the present utility model applied to a horizontal cervical vertebra tractor;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a bottom view of an embodiment of the present utility model as applied to a horizontal cervical vertebra tractor;

FIG. 7 is a schematic view showing the structure of the embodiment of the present utility model applied to the other side direction of the horizontal cervical vertebrae tractor;

FIG. 8 is a schematic view of the bottom of the device with the cover plate removed and the partial components removed for use in a horizontal cervical vertebra tractor according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the bottom of the device with the cover plate removed and the partial structure removed for use in a horizontal cervical vertebra tractor according to an embodiment of the present utility model;

FIG. 10 is a top view of the embodiment of the present utility model applied to a horizontal cervical vertebra tractor and in a folded state with the traction structure and traction head cover removed;

FIG. 11 is a cross-sectional view taken along B-B in FIG. 10;

FIG. 12 is a schematic view showing the structure of the embodiment of the present utility model applied to a horizontal cervical vertebra tractor and in a folded upper direction after removing the traction structure and the traction head cover;

FIG. 13 is an enlarged partial schematic view of FIG. 12C;

FIG. 14 is a schematic view showing the structure of the embodiment of the present utility model applied to a horizontal cervical vertebra tractor and in a folded state with the traction structure and the traction head cover removed;

FIG. 15 is a second schematic view of the embodiment of the present utility model applied to a horizontal cervical vertebra tractor and showing the structure in the folded state in the lower side direction after the traction structure and the traction head cover are removed;

FIG. 16 is a schematic view of a buffer force-measuring spring and traction head sleeve fit structure for a horizontal cervical vertebra tractor according to an embodiment of the present utility model;

FIG. 17 is a front view of an embodiment of the present utility model as applied to a horizontal cervical vertebra tractor with the rotatable standpipe removed;

FIG. 18 is a top view of an embodiment of the present utility model as applied to a horizontal cervical vertebra tractor with the rotatable standpipe removed;

FIG. 19 is a perspective view of an embodiment of the present utility model as applied to a horizontal cervical vertebra tractor with the rotatable standpipe removed;

FIG. 20 is a second perspective view of an embodiment of the present utility model applied to a horizontal cervical vertebra tractor with the rotatable standpipe removed;

FIG. 21 is a perspective view of a folding mechanism in the horizontal cervical vertebra tractor;

FIG. 22 is a schematic view of the folding mechanism of the horizontal cervical vertebra tractor with the cover removed;

FIG. 23 is a schematic view showing the structure of the folding mechanism in the horizontal cervical vertebra tractor in a folded state;

FIG. 24 is a top view of the angle adjustment device in the horizontal cervical vertebra tractor;

FIG. 25 is a perspective view of an angle adjustment device in the horizontal cervical vertebra tractor;

FIG. 26 is a perspective view of the other side of the angle adjustment device in the horizontal cervical vertebra tractor;

FIG. 27 is a front view of the angle adjustment device of the horizontal cervical vertebra tractor with the apertured axle center removed;

FIG. 28 is one of the perspective views of the angle adjustment device of the horizontal cervical vertebra tractor with the apertured axle center removed;

FIG. 29 is a second perspective view of the angle adjustment device of the horizontal cervical vertebra tractor with the apertured axle center removed;

FIG. 30 is a schematic view of a perforated hub in a horizontal cervical vertebra tractor;

FIG. 31 is a cross-sectional view of a perforated hub of a horizontal cervical vertebra tractor taken along the longitudinal direction of the threaded hole.

The meaning of the reference numerals in the figures: 1. a bottom plate; 11. a first mounting groove; 12. a second mounting groove; 13. a cover plate; 14. ribs; 15. a rotating shaft core; 2. a rotatable standpipe; 21. a first guide groove; 22. a second guide groove; 23. a mounting hole; 24. positioning a shaft; 25. a first pulley; 26. a second pulley; 31. a fixed support; 32. a fixing nut; 33. a fixed screw rod; 34. a notch; 35. a limiting piece; 36. a first limit groove; 37. the second limit groove; 38. an angle ruler; 41. a shaft sleeve; 42. an axle center with holes; 421. a threaded hole; 51. packaging the bottom box; 52. an electric cylinder; 53. a telescopic push rod; 54. a signal receiver; 55. a switching power supply; 56. a connection terminal; 57. a round hole; 58. a connection hole; 6. a buffer force measuring spring; 61. a force measuring module; 62. a force measuring spring; 63. a hanging hook; 64. a traction structure; 65. a clamping hook; 66. a clasp; 67. a hook; 7. a traction head sleeve; 71. sleeving the embedding opening; 72. a suspension loop; 73. a magic tape; 8. a traction rope.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and detailed description.

Examples

Referring to fig. 1, a power device for a traction apparatus is disclosed, the traction apparatus comprises a power device, a base plate 1, a rotatable vertical pipe 2 hinged on the base plate 1, a traction rope 8 and a traction head cover 7, the power device is installed in the base plate 1, one end of the traction rope 8 is connected with the traction head cover 7, and the other end of the traction rope is connected with the power device after passing through the rotatable vertical pipe 2; the power device comprises a packaging bottom box 51, wherein the packaging bottom box 51 is arranged in the bottom plate 1; an electric cylinder 52, a telescopic push rod 53, a signal receiver 54 and a switching power supply 55 are arranged in the packaging bottom box 51; the switch power supply 55 is connected with an external power supply through a power line, a wiring terminal 56 of the switch power supply 55 is connected with the signal receiver 54 through a wire, and the electric cylinder 52 is connected with the signal receiver 54 through a wire; the telescopic push rod 53 is connected with the electric cylinder 52 and driven by the electric cylinder to realize a telescopic function; one end of the haulage rope 8 is detachably fixed at the outer end of the telescopic push rod 53; the signal receiver 54 is connected to a wireless remote controller through a signal.

The device converts the thrust force generated by the repeated motion of the electric push rod into traction force, and can keep the traction force to continuously pull the cervical vertebra joint, thereby replacing the manual traction and reducing the working strength of medical workers. When a signal is sent by the wireless remote control and received by the signal receiver 54, the electric cylinder 52 is further driven to move, and the telescopic push rod 53 is driven to realize telescopic action, so that traction power is provided for traction equipment.

The telescopic push rod 53 is detachably arranged in the packaging bottom box 51, and the telescopic push rod 53 is a push rod with a plurality of measuring ranges. According to the application scene of the instrument, different power output is realized by changing push rods with different measuring ranges.

Four wires are led out from the signal receiver 54, two wires are connected with the electric cylinder 52, and the other two wires are connected with the switching power supply 55; the switching power supply 55 is provided with five connection terminals 56, wherein two connection terminals 56 are respectively connected with two wires of the signal receiver 54, and the other three connection terminals 56 are respectively a live wire, a neutral wire and a ground wire.

The packaging bottom box 51 is provided with a round hole 57, and a power line passes through the round hole 57 and is connected with an external power supply.

The packaging bottom box 51 is provided with a notch, the free end of the telescopic push rod 53 penetrates out of the notch, the free end of the telescopic push rod 53 is positioned inside the bottom plate 1, the free end of the telescopic push rod 53 is provided with a connecting hole 58, and the end part of the traction rope 8 is detachably penetrated in the connecting hole 58 and fixed on the telescopic push rod 53.

Referring to fig. 2 to 31, the traction apparatus in the present embodiment is a foldable multi-angle adjustable horizontal cervical vertebra tractor, and includes a power device, a folding mechanism, an angle adjusting device, a traction rope 8 and a traction head cover 7; the folding mechanism comprises a bottom plate 1 and a rotatable vertical pipe 2, wherein the rotatable vertical pipe 2 is hinged on the bottom plate 1 and rises up or is folded in the bottom plate 1 along with the rotation of a hinge point; the angle adjusting device is arranged on the bottom plate 1, is connected with the rotatable vertical pipe 2 and drives and adjusts the angle of the rotatable vertical pipe 2; the power device is arranged in the bottom plate 1; one end of the traction rope 8 is connected with the traction head sleeve 7, and the other end is connected with the power device after passing through the rotatable vertical pipe 2.

The power device can pull the traction rope 8 to drive the traction head sleeve 7 to perform traction; the folding mechanism can rotate the rotatable vertical pipe 2 in the opposite direction when the tractor is not used, and is folded and attached into the bottom plate 1, so that the storage function is realized; the angle adjusting device can adjust the traction angle, thereby obtaining a comfortable angle and being beneficial to adjusting cervical vertebra treatment.

The folding mechanism also comprises a rotating shaft core 15; the bottom of the bottom plate 1 is inwards recessed to form a first mounting groove 11, a second mounting groove 12 is formed in the rear part of the bottom plate 1, and the second mounting groove 12 vertically penetrates through the upper side and the lower side of the bottom plate 1 and is communicated with the first mounting groove 11; the bottom of the rotatable standpipe 2 is penetrated and hinged in the first mounting groove 11 through the rotating shaft core 15, the rotatable standpipe 2 rotates around the rotating shaft core 15 to be folded and stored in the first mounting groove 11, or the rotatable standpipe 2 is pulled out from the first mounting groove 11 and then rotates around the rotating shaft core 15 to be clamped in the second mounting groove 12 and is fixedly connected with the angle adjusting device. In this embodiment, the two ends of the rotation shaft core 15 are fixed and locked on the bottom plate 1 by screws.

The angle adjusting device comprises an angle adjusting part and a locking and fixing part; the angle adjusting part comprises a shaft sleeve 41 and a shaft center 42 with holes and provided with threaded holes 421; the locking fixing part comprises a fixing support 31, a fixing nut 32 and a fixing screw rod 33; the fixed support 31 is of a U-shaped groove structure and comprises a groove bottom and two side walls connected with the groove bottom, the U-shaped groove structure is vertically arranged and inserted into the second mounting groove 12, the groove bottom is positioned in the vertical direction and positioned at the inner side of the bottom plate 1, a notch 34 is formed in the bottom of the groove bottom, and the notch 34 is communicated with the first mounting groove 11; the rotatable standpipe 2 is a hollow standpipe, and a group of opposite sides of the rotatable standpipe 2 are symmetrically provided with mounting holes 23; the shaft sleeves 41 are provided with two, and the shaft sleeves 41 are provided with concave positions for placing the shaft cores 42 with holes; the two ends of the shaft center 42 with the holes are respectively placed in the concave positions of the shaft sleeve 41, the shaft sleeve 41 is positioned in the mounting hole 23, and the outer side surface of the shaft sleeve 41 is propped against the wall surface of the fixed support 31; a first guide groove 21 and a second guide groove 22 are respectively formed on one pair of side surfaces of the rotatable standpipe 2, and the first guide groove 21 extends downwards and penetrates through the bottom of the side surface of the rotatable standpipe 2; the bottom of the fixed support 31 is provided with a first limit groove 36, the fixed screw 33 comprises a screw rod part and a knob part, the screw rod part is arranged on the knob part, and the screw rod part sequentially passes through the first limit groove 36 and then is inserted into the second guide groove 22 after passing through a threaded hole 421 with a hole axis 42; the fixed nut 32 is sleeved on the screw part of the fixed screw rod 33 and positioned at the inner side of the tank bottom, and the knob part is positioned at the outer side of the tank bottom; after the rotatable standpipe 2 rotates, the first guide groove 21 is clamped into or separated from the screw part of the fixed screw 33; the rotatable standpipe 2 is concentric with the fixed support. The shaft center 42 with holes is matched with the screw rod 33, and the angle of the rotatable vertical tube 2 can be adjusted by rotating the knob part; the second guide slot 22 can restrict the range of rotation of the rotatable standpipe 2 about the fixed lead screw 33. The shaft center 42 with holes can rotate 360 degrees around the fixed screw rod through the threaded holes 421, and the threaded holes 421 on the shaft center are matched with the fixed screw rod 33 and are placed in the fixed support 31 to be locked.

The bottom of the fixed support 31 is provided with a limiting piece 35, and the limiting piece 35 is provided with a second limiting groove 37; a fixed clamping groove is formed between the limiting piece 35 and the groove bottom of the fixed support 31, the second limiting groove 37 is opposite to the first limiting groove 36, the screw part of the fixed screw rod 33 is positioned in the second limiting groove 37, and the fixed nut 32 is arranged in the fixed clamping groove; the diameter of the fixing nut 32 is larger than that of the first limit groove 36; when the screw portion of the fixing lead screw 33 is engaged with the first guide groove 21, the first guide groove 21 is positioned between the shaft center 42 with the hole and the stopper 35. The cooperation of the fixing clip groove and the limiting piece 35 can form the movable range of the fixing nut 32.

The power device comprises a packaging bottom box 51, wherein the packaging bottom box 51 is arranged in the bottom plate 1; an electric cylinder 52, a telescopic push rod 53, a signal receiver 54 and a switching power supply 55 are arranged in the packaging bottom box 51; the switch power supply 55 is connected with an external power supply through a power line, a wiring terminal 56 of the switch power supply 55 is connected with the signal receiver 54 through a wire, and the electric cylinder 52 is connected with the signal receiver 54 through a wire; the telescopic push rod 53 is connected with the electric cylinder 52 and driven by the electric cylinder to realize a telescopic function; one end of the haulage rope 8 is detachably fixed at the outer end of the telescopic push rod 53; the signal receiver 54 is connected with a wireless remote controller through a signal, or the signal receiver 54 is connected with a mobile phone WIFI in a communication way. In the present embodiment, the telescopic push rod 53 is an electric telescopic push rod 53. The tractor can be operated by a wireless remote controller, can also be operated by a mobile phone WIFI, and can set traction time on the mobile phone or the remote controller, and a user can control traction force and set traction time according to self-sense.

The traction head sleeve 7 is provided with a sleeve embedding opening 71 for sleeving the head of a patient, the traction head sleeve 7 is a flexible head sleeve, and two ends of the traction head sleeve 7 are respectively provided with a hanging ring 72; the retractor further comprises a buffer force spring 6 and a traction structure 64; the two ends of the traction structure 64 are respectively hooked on the suspension rings 72, one end of the buffer force measuring spring 6 is fastened on the top of the traction structure 64, and the other end of the buffer force measuring spring is connected with the free end of the traction rope 8; the sleeve is provided with a magic tape 73 on the head cover on the front side and the rear side of the sleeve embedding opening 71, the magic tape 73 comprises a bonding part with a round hair surface and a bonding belt with a thorn hair surface, one end of the bonding belt is arranged on one side of the sleeve embedding opening 71, the other side of the sleeve embedding opening 71 is provided with a bonding part, and the free end of the bonding belt is bonded on the bonding part.

The buffer force measuring spring 6 is a tubular force measuring meter and comprises a tubular structure, wherein a force measuring module 61, a force measuring spring 62 and a hanging hook 63 are arranged in the tubular structure; the upper end of the force measuring spring 62 is connected with the force measuring module 61, and the lower end of the force measuring spring 62 is connected with the suspension hook 63; the traction structure 64 comprises a first triangle and a second triangle, and the first triangle and the second triangle have the same structure and are right-angle triangles; one side of the acute angle side of the short side of the two triangular plates is hinged together; the acute short side of the right-angle triangle is provided with a hook 67, the acute long side of the right-angle triangle is provided with a clamping hook 65, one side of the right-angle short side of the right-angle triangle is provided with a clasp 66, one side of the acute angle of the two right-angle triangle is hinged together, and the two hooks 67 form a connecting hole 58 for the hanging hook 63 to buckle in; the right-angle side of the right-angle triangle is clamped into the clasp 66 of the adjacent right-angle triangle; the hooks 65 on both sides of the traction structure 64 catch the suspension loop 72 of the traction head cover 7. The force measuring module 61 and the force measuring spring 62 are matched, so that the data of the traction force of the traction rope 8 can be read; the traction structure 64 can support the traction head cover 7, and the hook 67 can restrict the movement range of the two right-angle triangular plates, so that the traction head cover 7 is prevented from shrinking. In this example, the tubular load cell was an existing device, a commercially available product, and therefore no specific analysis of its structure was required.

The rotary shaft core 15 is arranged at the lower side in the rotatable vertical pipe 2, and the rotary shaft core 15 is sleeved with a first pulley 25; a positioning shaft 24 is arranged on the upper side of the inside of the rotatable vertical tube 2, and a second pulley 26 is sleeved on the positioning shaft 24; a notch is formed in the upper side of the rotatable standpipe 2; the free end of the traction rope 8 sequentially passes around the first pulley 25 and the second pulley 26 and then extends out of the rotatable vertical tube 2 from the notch to be connected with the buffer force measuring spring 6. The positioning shaft 24 and the pulley are arranged to provide left and right transmission for the traction rope 8.

The lower side of the bottom plate 1 is provided with a plastic cover plate 13, and the plastic cover plate 13 is provided with a plurality of criss-cross ribs 14. From the cross ribs 14, the anti-slip function of the base plate 1 can be enhanced.

The angle adjusting device further comprises an angle ruler 38, the angle ruler 38 is hinged to the upper side of the rotatable vertical pipe 2, the angle ruler 38 is arranged upside down, zero-degree lines of the angle ruler 38 are parallel to horizontal lines, and the traction rope 8 is located on the rear side of the angle ruler 38. In this embodiment, the tractor can be adjusted at any angle, and the rotatable standpipe 2 is rotated

Because of individual differences in cervical curvature deformation of the user, when the tractor is used, a proper traction angle is generally required to be adjusted firstly, the fixing screw rod 33 is unscrewed and lifted, the rotatable vertical tube 2 is slightly shifted by hands, meanwhile, the included angle formed by the traction rope 8 and the angle gauge 38 is observed by eyes, after the tractor is rotated to a proper traction angle, the fixing nut 32 is placed in the fixing clamping groove of the fixing support 31, and meanwhile, the fixing screw rod 33 is locked. After the angle is adjusted, the user can lie on the base plate 1, wear the traction headgear 7 on the head, and then hang the hanging rings 72 (stainless steel rings) at the two ends of the traction headgear 7 on the two ends of the traction tripod respectively. After the position is well confirmed, the working state of the telescopic push rod 53 can be controlled by a wireless remote controller, and the traction rope 8 connected with the telescopic push rod 53 transmits traction force to the neck of a human body through the traction head sleeve 7, so that the relaxation and traction of the cervical intervertebral disc are realized.

In this embodiment, an electric telescopic push rod 53 is selected for the traction power source. The electric telescopic push rod 53 has the characteristics of wide range and large traction force, and is suitable for patients with wide range of cervical spondylosis, so that the embodiment of the utility model can be applied to hospitals, rehabilitation centers and families.

After the traction apparatus is used, if the traction apparatus is required to be folded and stored, the left-hand fixing screw rod 33 is lifted, the fixing screw rod 33 is pulled out of the fixing support 31, the rotatable vertical pipe 2 is rotated downwards, and the traction apparatus is folded towards the lower side of the bottom plate 1, so that folding and storage can be realized.

The bottom plate 1 of the folding mechanism is connected with the fixed support 31 of the angle adjusting device into a whole, the rotatable vertical tube 2 rotates backwards around the rotating shaft core 15, and after the angle is adjusted to a proper angle, the fixed nut 32 on the fixed screw rod 33 is adjusted to the fixed clamping groove of the fixed support 31, and the fixed screw rod 33 is rotated rightwards until the fixed screw rod 33 is locked; when the user does not use the tractor, he can first rotate the fixing screw 33 leftwards and lift the fixing screw 33 upwards, and at the same time rotate the rotatable standpipe 2 backwards, so as to realize the folded state of the tractor, thereby being convenient for storage and not occupying excessive space.

In traction treatment, traction force and traction angle are two key factors. In this embodiment, the angle adjusting device can provide a device capable of accurately adjusting the angle, so as to help the patient receive the treatment in a traction state suitable for the patient, and greatly improve the traction treatment effect. The angle adjusting device designs an adjusting module with adjustable multiple angles, which is arranged on a force arm of a traction apparatus, a (movable) shaft center 42 with holes in the angle adjusting device is matched with a fixed screw rod 33, and the fixed screw rod 33 is pushed to equivalently rotate the force arm of the traction apparatus, so that the traction angle is changed.

The angle adjusting part of the angle adjusting device is required to be installed in a mechanism of a traction apparatus which needs to rotate (namely, in a rotatable vertical pipe 2), and consists of a shaft center 42 with holes and a shaft sleeve 41, wherein the shaft sleeve 41 needs to be connected in the rotating mechanism (namely, in the rotatable vertical pipe 2), and the shaft center 42 with the holes is placed in a level position (namely, a concave position) of the shaft sleeve 41; in general, to fix the rotation mechanism (i.e. the rotatable standpipe 2) and to lock with the shaft center 42 with holes, the locking and fixing part of the angle adjustment module needs to be installed before the rotation mechanism (i.e. the rotatable standpipe 2), the fixing screw rod 33 of the locking and fixing part is matched with the shaft center 42 with holes of the angle adjustment part, and since the fixing nut 32 can only move in the fixing slot, when the fixing screw rod 33 tightens clockwise, the fixing screw rod tightens reversely relative to the fixing nut 32 until the fixing bolt tightens to the front end of the fixing support 31; each time different angles need to be adjusted, the fixing screw rod 33 is only required to be loosened, and the rotating mechanism (namely the vertical tube 2 can be rotated) is simultaneously stirred to a proper angle, and the locking process is repeated again.

The angle adjusting device is applied to the cervical vertebra tractor. As shown in the drawing, the shaft sleeve 41 of the angle adjusting part is mounted on the rotatable standpipe 2, when the angle of the rotatable standpipe 2 is adjusted, the shaft center 42 (not shown) with holes in the shaft sleeve 41 can be rotated at will, when the rotatable standpipe 2 needs to be fixed, the fixing nut 32 is firstly placed in the fixing slot of the fixing support 31, then the fixing screw 33 is rotated clockwise, the fixing nut 32 rotates reversely relatively while the fixing screw 33 rotates, until the fixing screw 33 rotates to the front end of the fixing support 31 to be locked, at this time, the patient can place on the bottom plate 1 by using the pillow, and the patient can put on the traction head cover 7 to lie on the pillow, thereby carrying out traction treatment of cervical vertebra. The angle of traction received by patients in different situations is basically different in normal situations, when the angle is required to be adjusted, the fixed screw 33 is firstly loosened and lifted, the rotatable vertical tube 2 is then stirred, the angle formed by the angle ruler 38 and the traction rope 8 is observed, and after the angle is adjusted to a proper angle, the locking process of the angle adjusting device is repeated.

In the power device of this embodiment, the electric cylinder 52 and the telescopic push rod 53 are used as the output of power, the telescopic push rod 53 is provided with a small hole (a connecting hole 58) which can pass through the traction rope 8, when the telescopic push rod 53 reciprocates, the thrust is converted into traction force, and in addition, the telescopic push rod 53 can be selected in different measuring ranges according to the application apparatus of the power device. In the power device, to realize automatic control of the telescopic push rod 53, a signal receiver 54 needs to be connected, and when a signal is sent out by a wireless remote control, the signal is received by the signal receiver 54, and the telescopic push rod 53 is further driven to act; four wires are led out from the signal receiver 54, two wires are connected with the electric cylinder 52, the other two wires are connected with the switching power supply 55, the switching power supply 55 shares five wiring terminals 56, two wires are connected with the signal receiver 54, the other three wires are respectively a fire wire, a zero wire and a ground wire, and the other three wires are connected with an external power supply wire through a round hole 57. In this embodiment, the electric cylinder 52 and the telescopic push rod 53 are both existing devices and are commercially available products, so that specific structural analysis is not required to be developed.

The power device is arranged below the bottom plate 1, a small hole (a connecting hole 58) of a telescopic push rod 53 in the power device is connected with a traction rope 8 in series and penetrates out through a notch of a rotatable vertical tube 2 of the cervical vertebra tractor, a buffering force measuring spring 6 and a traction structure 64 are connected, and two ends of the traction structure 64 hook a traction head sleeve 7. The cervical spondylosis patient can lie on the back on the bottom plate 1 to adjust rotatable standpipe 2 to certain angle, wear the headgear 7, after finely adjusting the position, use wireless remote controller to control, after power device's signal receiver 54 received the instruction, flexible push rod 53 carries out the recovery motion, cervical vertebra tractor's haulage rope 8 is tightened up this moment, headgear 7 also follows and lifts, thereby make patient's cervical vertebra joint be in a sensation of being pulled, the electronic manpower that has replaced, medical staff's working strength has been alleviateed, simultaneously, also brought great facility for patient's family use.

The foregoing detailed description is directed to embodiments of the utility model which are not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.

Claims (5)

1. A power unit for a traction device, characterized by: the traction apparatus comprises a power device, a bottom plate, a rotatable vertical pipe hinged on the bottom plate, a traction rope and a traction head sleeve, wherein the power device is arranged in the bottom plate, one end of the traction rope is connected with the traction head sleeve, and the other end of the traction rope is connected with the power device after passing through the rotatable vertical pipe; the power device comprises a packaging bottom box which is arranged in the bottom plate; an electric cylinder, a telescopic push rod, a signal receiver and a switching power supply are arranged in the packaging bottom box; the switch power supply is connected with an external power supply through a power line, a wiring terminal of the switch power supply is connected with the signal receiver through a wire, and the electric cylinder is connected with the signal receiver through a wire; the telescopic push rod is connected with the electric cylinder and driven by the electric cylinder to realize a telescopic function; one end of the traction rope is detachably fixed at the outer end of the telescopic push rod; the signal receiver is connected with a wireless remote controller through signals.

2. A power plant for a traction device implementing the method of claim 1, characterized by: the telescopic push rod is detachably arranged in the packaging bottom box, and the telescopic push rod is a push rod with a plurality of measuring ranges.

3. A power plant for a traction device implementing the method of claim 1, characterized by: four wires are led out of the signal receiver, two wires are connected with the electric cylinder, and the other two wires are connected with the switching power supply; the switching power supply is provided with five wiring terminals, wherein two wiring terminals are respectively connected with two wires of the signal receiver, and the other three wiring terminals are respectively a fire wire, a zero wire and a ground wire.

4. A power plant for a traction device implementing the method of claim 1, characterized by: the packaging bottom box is provided with a round hole, and the power line passes through the round hole and then is connected with an external power supply.

5. A power plant for a traction device implementing the method of claim 1, characterized by: the packaging bottom box is provided with a notch, the free end of the telescopic push rod penetrates out of the notch, the free end of the telescopic push rod is located inside the bottom plate, the free end of the telescopic push rod is provided with a connecting hole, and the end part of the traction rope detachably penetrates through the connecting hole and is fixed on the telescopic push rod.