Adjustable traction frame

By installing a motor-driven mounting screw and a rotating seat combined with a hydraulic press-driven fixing component, the problem of adjusting the position and height of the traction frame was solved, improving the work efficiency of medical staff and the medical experience of patients.

CN224023754UActive Publication Date: 2026-03-24宜昌市夷陵区雾渡河镇中心卫生院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing traction frames cannot be quickly adjusted in position, height, or distance according to the patient's size, and they take up space and are difficult to clean and maintain after use.

Method used

The device employs a motor-driven mounting screw and moving rod, combined with a rotating seat and a hydraulic press-driven fixing assembly, enabling multi-directional adjustment and rapid fixation of the equipment. This allows for easy adjustment of the position and height according to the patient's needs, and also facilitates quick storage and cleaning.

Benefits of technology

It enables rapid position and height adjustment of the traction frame, reducing the operation time of medical staff, saving ward space, improving work efficiency, and facilitating equipment maintenance and replacement.

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Abstract

The utility model provides an adjustable traction frame, and belongs to the technical field of medical equipment. Comprising a mounting frame, a mounting motor is inserted into one side of the mounting frame, and a mounting lead screw, a moving rod, a moving motor, a moving lead screw, a moving sliding block and a rotating seat are inserted into one end of the mounting motor. The moving rod moves back and forth in the mounting frame to adjust the front-back position of the moving rod in the mounting frame, the rotating seat slides under the moving rod to adjust the left-right position of the rotating seat under the mounting frame, and the fixing assembly rotates under the mounting frame to adjust the position. The left hand, the left foot, the right hand and the right foot of a patient are rapidly fixed through the device, medical staff can conveniently adjust the position of the device according to the injured part, needing to be treated, of the patient, fixing bolts on the fixing assemblies and fixing threaded holes in the fixing rods are installed, and the device is rapidly taken down and cleaned after being used; and the sliding block bolt enables the rotating seat and the movable sliding block to be quickly mounted and dismounted, so that the equipment is convenient to maintain and repair.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of adjustable traction frame. BACKGROUND

[0002] Orthopedics traction treatment technology is one of the most important treatment methods in orthopedics clinic, and is widely used in clinic. Traction treatment needs the assistance of traction frame. It uses continuous appropriate traction force and counteracting traction force to make fracture and dislocation reduction and maintain reduction, immobilize and elevate inflamed limbs, and correct and treat contracture and deformity limbs.

[0003] The adjustable traction frame disclosed in the Chinese utility model patent application publication CN220025329U has a sliding groove inside the flat plate, a sliding plate slides in the sliding groove, and a driving mechanism arranged in the sliding groove can make the sliding plate slide in the flat plate to a suitable position, which is the height of the patient lying on the flat plate. Then the traction block on the traction rod can be used to move the traction block to the desired position, thereby moving the traction mechanism to the desired position and completing the adjustment of the traction mechanism, thereby reducing the limitations of the traction mechanism. However, the existing equipment can only be adjusted according to the height of the patient. The medical staff cannot quickly adjust the equipment to the left or right side of the patient's hands and feet according to the position of the patient needing treatment. The medical staff cannot quickly adjust the height and distance of the fixing assembly according to the fatness of the patient during use. After use, the equipment cannot be quickly moved to the space under the patient's bed to save space in the patient room. After use, the medical staff cannot quickly remove the fixing assembly for cleaning. In addition, the equipment cannot be maintained and replaced after damage. Therefore, the present application provides an adjustable traction frame to meet the needs. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an adjustable traction frame to solve the problems of existing quick adjustment equipment, adjustment of height and distance according to the fatness of the patient, saving of space in the patient room, quick removal of the fixing assembly for cleaning, and maintenance and replacement of the equipment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The adjustable traction frame, including the mounting frame, one side of the mounting frame is inserted with the mounting motor, one end of the mounting motor is inserted with the mounting lead screw, the inner side of the mounting frame is slidably connected with the moving rod, one side of the inside of the moving rod is inserted with the moving motor, one end of the moving motor is inserted with the moving lead screw, the inside of the moving rod is slidably connected with the moving slider, the bottom of the moving slider is sleeved with the rotating seat, the inside of the rotating seat is inserted with the rotating motor, one end of the rotating motor is sleeved with the adjusting assembly, one side of the adjusting assembly is provided with the rotating rod, the inside of the rotating rod is inserted with the rotating hydraulic machine, one end of the rotating hydraulic machine is inserted with the hydraulic seat, the upper surface of the hydraulic seat is inserted with the fixed motor, one end of the fixed motor is sleeved with the fixed rod, the inside of the fixed rod is threaded through with the fixed assembly.

[0007] Optionally, the adjusting assembly comprises an adjusting rod, an adjusting hydraulic machine, an adjusting seat and an adjusting motor, the inside of the adjusting rod is inserted with the adjusting hydraulic machine, one end of the adjusting hydraulic machine is inserted with the adjusting seat, one side of the adjusting seat is inserted with the adjusting motor.

[0008] Optionally, the fixed assembly comprises a fixed seat, a fixed pad, a fixed shaft seat, a shaft seat motor, a fixed belt and a fixed buckle, the lower surface of the fixed seat is provided with the fixed pad, one side of the upper surface of the fixed seat is provided with the fixed shaft seat, the inside of the fixed shaft seat is provided with the shaft seat motor, one end of the shaft seat motor is provided with the fixed belt, one end of the fixed belt is provided with the fixed buckle.

[0009] Optionally, the other side of the surface of the fixed seat is provided with the fixed buckle, the length of the fixed seat and the fixed pad is consistent.

[0010] Optionally, the two sides of the inner wall of the mounting frame are provided with the mounting sliding groove, the two ends of the moving rod are provided with the mounting slider, the inside of the mounting sliding groove is slidably connected with the mounting slider, the inside of the mounting slider is threaded through with the mounting lead screw.

[0011] Optionally, one end of the inside of the mounting sliding groove is provided with the mounting lead screw hole, the inside of the mounting lead screw hole is sleeved with the mounting lead screw.

[0012] Optionally, the upper surface of the rotating seat is provided with the rotating groove, the inner side wall of the rotating groove is provided with the rotating threaded hole, the moving slider is connected with the rotating seat through the slider bolt.

[0013] Optionally, the lower surface of the moving rod is provided with the moving sliding groove, the inside of the moving sliding groove is slidably connected with the moving slider, the top of the moving slider is bolted through with the moving lead screw.

[0014] Optionally, one end of the inside of the moving sliding groove is provided with the moving lead screw hole, the inside of the moving lead screw hole is sleeved with the moving lead screw.

[0015] Optionally, a fixed threaded hole is formed on one side of the fixed rod close to the fixed assembly, and a fixed bolt is arranged on the upper surface of the fixed assembly and is matched with the fixed threaded hole.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, the moving rod moves forward and backward in the mounting bracket to adjust the position of the moving rod, the rotating seat slides under the moving rod to adjust the position of the rotating seat, and the fixed assembly rotates under the mounting bracket to adjust the position, so that the device can quickly fix the left hand and left foot and the right hand and right foot of the patient, the position of the device can be adjusted according to the injured part of the patient needing treatment by the medical staff, the position of the device can be reasonably adjusted, the time for moving the device by the personnel is reduced, and the working speed of the medical staff is improved.

[0018] The rotating rod rotates on one side of the adjusting assembly, the adjusting seat telescopes on one side of the adjusting rod to adjust the distance, and the fixed rod telescopes on the hydraulic seat to adjust the height, so that the medical staff can pass the fixed belt through the position needing to be fixed by opening the fixed buckle, the shaft seat motor rotates to fix the fixed belt, the moving rod moves in the mounting bracket to pull the position needing to be pulled, and after use, the rotating rod is rotated to the bed by the adjusting motor, the adjusting assembly is rotated to the bed by the rotating motor, the height and distance of the fixed assembly can be quickly adjusted according to the body type of the patient, the medical staff can be conveniently operated, the device can be quickly moved to the bed for storage after use, the space in the ward is saved, the medical experience of the patient is improved, and the patient satisfaction is improved.

[0019] The fixed bolt on the fixed assembly is installed in the fixed threaded hole in the fixed rod, the fixed assembly can be quickly removed for cleaning after use, the rotating seat and the moving slider are quickly installed and removed by the slider bolt, the device is conveniently maintained and repaired in the later period, so that the medical staff can quickly remove the fixed assembly for cleaning after use, and the device can be quickly repaired and replaced after damage. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated herein and forming part of the specification show embodiments of the present utility model, and together with the specification further serve to explain the principles of the present utility model, and enable a person skilled in the relevant art to implement and use the present utility model.

[0021] Figure 1 It is a three-dimensional structure schematic view of the adjustable traction frame.

[0022] Figure 2 It is an explosion structure schematic view of the mounting bracket of the adjustable traction frame.

[0023] Figure 3 A schematic diagram of the exploded structure of the adjustable traction frame rotating seat;

[0024] Figure 4 This is a schematic diagram of the adjustable traction frame adjustment assembly.

[0025] Figure 5 Schematic diagram of the exploded structure of the adjustable traction frame adjustment rod;

[0026] Figure 6 A schematic diagram of the adjustable traction frame fixing rod structure;

[0027] Figure 7 Schematic diagram of the exploded structure of the adjustable traction frame mounting base;

[0028] Figure 8 This is a schematic diagram of the planar structure of an adjustable traction frame rotating hydraulic press.

[0029] [Figure Labels]

[0030] 1. Mounting bracket; 2. Mounting motor; 3. Mounting screw; 4. Moving rod; 5. Moving motor; 6. Moving screw; 7. Moving slider; 701. Slider bolt; 8. Rotary seat; 9. Rotary motor; 10. Adjusting assembly; 101. Adjusting rod; 102. Adjusting hydraulic press; 103. Adjusting seat; 104. Adjusting motor; 11. Rotating rod; 12. Rotary hydraulic press; 13. Hydraulic seat; 14. Fixed motor; 15. Fixed rod; 16. Fixed assembly; 161. Fixed seat; 162. Fixed pad; 163. Fixed bearing seat; 164. Bearing seat motor; 165. Fixed strap; 166. Fixed buckle.

[0031] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0032] The adjustable traction frame provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0033] It is to be appreciated that the use of any of the following terms "one embodiment," "an embodiment," "some embodiments," "one example," "an example," "some examples," and the like, are not intended to limit the scope of the application to a specific embodiment or embodiment, nor imply that all embodiments include the discussed feature, advantage or mode of operation. Rather, these terms are intended to encompass the subject matter recited in the claims, and those come within the scope of the application as expressed in the claims.

[0034] Generally, the nomenclature is chosen to be illustrative of the features that one of ordinary skill in the art would appreciate is of significance. For example, the term "one or more" as used herein, depending at least in part upon the context, can be used to describe any feature, structure, or characteristic in a singular sense or can be used in a plural sense to describe a combination of features, structures or characteristics. Additionally, the term "based on" can be understood as not necessarily being constrained to a set of exclusive factors, but rather, can instead be interpreted as allowing for existence of other factors not necessarily explicitly described.

[0035] It is to be understood that the terms "on," "over," and "above" in the present application should be interpreted in the broadest possible way consistent with the context. Consequently, "on," "over," and "above" should be interpreted not only to mean "directly on" something, but also to mean "on," "over," or "above" something with intervening features or layers also present.

[0036] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0037] As Figures 1 to 8The utility model discloses an adjustable traction frame, including mounting frame 1, the one side of mounting frame 1 is inserted with installation motor 2, and one end of installation motor 2 is inserted with mounting screw rod 3, and the inside slide connection of mounting frame 1 has moving pole 4, and the both sides of mounting frame 1 inside wall are provided with installation sliding slot, and the both ends of moving pole 4 are equipped with mounting sliding block, and the inside slide connection of installation sliding slot has mounting sliding block, and the inside screw of mounting sliding block is passed through with mounting screw rod 3, and one end of installation sliding slot inside is provided with mounting screw rod hole, and the inside sleeve of installation screw rod hole has mounting screw rod 3, and one side of moving pole 4 inside is inserted with moving motor 5, and one end of moving motor 5 is inserted with moving screw rod 6, and the inside slide connection of moving pole 4 has moving sliding block 7, and the lower surface of moving pole 4 is provided with moving sliding slot, and the inside slide connection of moving sliding slot has moving sliding block 7, and the top bolt of moving sliding block 7 is passed through with moving screw rod 6, and one end of moving sliding slot inside is provided with moving screw rod hole, and the inside sleeve of moving screw rod hole has moving screw rod 6, and the bottom sleeve of moving sliding block 7 has rotary seat 8, and the upper surface of rotary seat 8 is provided with rotary groove, and the inside wall of rotary groove is provided with rotary screw hole, and moving sliding block 7 is connected with rotary seat 8 through sliding block bolt 701, and the inside insertion of rotary seat 8 has rotary motor 9, and one end of rotary motor 9 is sleeved with adjusting assembly 10, and adjusting assembly 10 includes adjusting rod 101, adjusting hydraulic press 102, adjusting seat 103 and adjusting motor 104, and the inside insertion of adjusting rod 101 has adjusting hydraulic press 102, and one end of adjusting hydraulic press 102 is inserted with adjusting seat 103, and one side of adjusting seat 103 is inserted with adjusting motor 104, and one side of adjusting assembly 10 is equipped with rotary rod 11, and the inside insertion of rotary rod 11 has rotary hydraulic press 12, and one end of rotary hydraulic press 12 is inserted with hydraulic seat 13, and the upper surface of hydraulic seat 13 is inserted with fixed motor 14, and one end of fixed motor 14 is sleeved with fixed rod 15, and the inside screw of fixed rod 15 is passed through with fixed assembly 16, and fixed assembly 16 includes fixed seat 161, fixed pad 162, fixed axle seat 163, axle seat motor 164, fixed band 165 and fixed buckle 166, and the lower surface of fixed seat 161 is equipped with fixed pad 162, and one side of fixed seat 161 upper surface is equipped with fixed axle seat 163, and the inside of fixed axle seat 163 is equipped with axle seat motor 164, and one end of axle seat motor 164 is equipped with fixed band 165, and one end of fixed band 165 is equipped with fixed buckle 166, and the other side of fixed seat 161 surface is equipped with fixed buckle 166, and the length of fixed seat 161 and fixed pad 162 is consistent, and one side of fixed rod 15 close to fixed assembly 16 is provided with fixed screw hole, and the upper surface of fixed assembly 16 is equipped with fixed bolt, and fixed bolt and fixed screw hole are mutually adapted.

[0038] By installing the mounting frame 1 under the hospital bed, rotating the mounting lead screw 3 driven by the motor 2 to move the moving rod 4 in the mounting frame 1 forward and backward, adjusting the position of the moving rod 4 in the mounting frame 1, rotating the moving lead screw 6 driven by the moving motor 5 to make the rotating seat 8 slide under the moving rod 4, adjusting the position of the rotating seat 8 left and right under the mounting frame 1, rotating the adjusting assembly 10 driven by the rotating motor 9 to make the fixing assembly 16 rotate under the mounting frame 1, so that the device can quickly fix the patient's left hand and left foot, and the right hand and right foot, and the medical staff can adjust the position of the device according to the injured part of the patient needing treatment, and reasonably adjust the position of the device, which can reduce the time of moving the device by personnel, improve the working speed of medical staff, rotate the rotating rod 11 driven by the adjusting motor 104, make the rotating rod 11 rotate on one side of the adjusting assembly 10, make the adjusting seat 103 on one side of the adjusting rod 101 extend and retract by adjusting the hydraulic machine 102, make the fixing rod 15 on the hydraulic seat 13 extend and retract to adjust the height, the medical staff passes through the fixed buckle 166 to make the fixed belt 165 pass through the position needing to be fixed, rotates the shaft seat motor 164 to shrink and fix the fixed belt 165, rotates the mounting lead screw 3 driven by the mounting motor 2 to move the moving rod 4 in the mounting frame 1 to pull the position needing to be pulled, and after use, rotates the rotating rod 11 to the hospital bed by the adjusting motor 104, rotates the adjusting assembly 10 to the hospital bed by the rotating motor 9, so that the height and distance of the fixing assembly 16 can be quickly adjusted according to the body type of the patient, which is convenient for medical staff to operate, and after use, the device can be quickly moved to the hospital bed for storage, saving the space in the hospital room, improving the patient's medical experience, and improving patient satisfaction, the fixing bolt on the fixing assembly 16 is installed in the fixing thread hole in the fixing rod 15, the fixing assembly 16 is quickly taken out for cleaning after use, the rotating seat 8 and the moving slider 7 are quickly installed and removed by the slider bolt 701, which is convenient for later maintenance and repair of the device, so that the medical staff can quickly take out the fixing assembly 16 for cleaning after use, and the device can be quickly repaired and replaced after damage.

[0039] The utility model provides a working principle is through installing the stand 1 under the sickbed, is through the installation motor 2 drive installation screw rod 3 and carries out the rotation, makes the mobile pole 4 in the installation stand 1 and carries out the front and back movement adjustment mobile pole 4 in the installation stand 1 front and back position, is through the mobile motor 5 drive mobile screw rod 6 and carries out the rotation, makes the rotary seat 8 under the mobile pole 4 and carries out the sliding adjustment rotary seat 8 under the installation stand 1 left and right position, is through the rotary motor 9 drive adjustment assembly 10 and carries out the rotation, makes the fixed assembly 16 under the installation stand 1 and carries out the rotary adjustment position, can make the equipment to the patient's left hand and left foot and right hand and right foot fixed fast, is through the adjustment motor 104 drive rotary rod 11 and carries out the rotation, makes rotary rod 11 in adjustment assembly 10 one side and carries out the rotation, is through the adjustment hydraulic press 102 drive adjustment seat 103 and carries out the telescopic, makes adjustment seat 103 in adjustment rod 101 one side and carries out the telescopic adjustment distance, is through the rotary hydraulic press 12 drive hydraulic seat 13 and carries out the telescopic, makes the fixed rod 15 on hydraulic seat 13 and carries out the telescopic adjustment height, medical staff is through the opening fixed buckle 166 makes fixed band 165 pass through the position needing fixed, is through the axle seat motor 164 rotation and is fixed to fixed band 165 and carries out the contraction, is through the installation motor 2 drive installation screw rod 3 and carries out the rotation, makes the mobile pole 4 in the installation stand 1 and carries out the movement and is pulled to the position needing traction, is used after through the adjustment motor 104 makes rotary rod 11 rotate to the sickbed, is through the rotary motor 9 and makes adjustment assembly 10 rotate to the sickbed, according to the patient's body shape adjustment fixed assembly 16 height and distance and carry out the fixed, is through the fixed bolt on fixed assembly 16 and the fixed screw hole in fixed rod 15 and carries out the installation, is used after fixed assembly 16 and is taken down fast and carries out the cleaning, is through the sliding block bolt 701 and makes rotary seat 8 and mobile slider 7 fast and carries out the installation and dismantling, has facilitated the equipment maintenance and repair of later period, the equipment can make the equipment to the patient's left hand and left foot and right hand and right foot fixed fast, has facilitated medical staff and adjusted the position of equipment according to the injured part of patient needing treatment, and the equipment position can be adjusted reasonably, can reduce personnel movement equipment time, improve the working speed of medical staff, fast according to the patient's body shape adjustment fixed assembly 16 height and distance, have facilitated medical staff operation, and the equipment can be moved fast to the sickbed and store after use, save the space in the sickroom and improve patient's medical feeling, improve patient satisfaction, thereby use fixed assembly 16 after-ward, medical staff can take down fast and carry out the cleaning, and the equipment can be repaired and replaced fast after damage.

[0040] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0041] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art of the present technology, on the premise of not departing from the principle of the utility model, still can make a number of improvement and embellishment, these improvements and embellishment also should be regarded as the protection range of the utility model.

Claims

1. An adjustable traction frame, characterized in that, The device includes a mounting bracket, with a mounting motor inserted into one side of the bracket. A mounting screw is inserted into one end of the mounting motor. A movable rod is slidably connected to the inner side of the bracket. A movable motor is inserted into one side of the movable rod, and a movable screw is inserted into one end of the movable motor. A movable slider is slidably connected inside the movable rod. A rotating seat is fitted onto the bottom of the movable slider. A rotary motor is inserted into the rotating seat. An adjusting component is fitted onto one end of the rotary motor. A rotating rod is provided on one side of the adjusting component. A rotary hydraulic press is inserted into the rotating rod. A hydraulic seat is inserted into one end of the rotary hydraulic press. A fixed motor is inserted into the upper surface of the hydraulic seat. A fixed rod is fitted onto one end of the fixed motor. A fixed component passes through the internal thread of the fixed rod.

2. The adjustable traction frame according to claim 1, characterized in that, The adjustment assembly includes an adjustment rod, an adjustment hydraulic press, an adjustment seat, and an adjustment motor. The adjustment hydraulic press is inserted into the inside of the adjustment rod, the adjustment seat is inserted into one end of the adjustment hydraulic press, and the adjustment motor is inserted into one side of the adjustment seat.

3. The adjustable traction frame according to claim 1, characterized in that, The fixing assembly includes a fixing base, a fixing pad, a fixing shaft seat, a shaft seat motor, a fixing belt, and a fixing buckle. The fixing base has a fixing pad on its lower surface, a fixing shaft seat on one side of its upper surface, a shaft seat motor inside the fixing shaft seat, a fixing belt at one end of the shaft seat motor, and a fixing buckle at one end of the fixing belt.

4. The adjustable traction frame according to claim 3, characterized in that, A fixing buckle is provided on the other side of the surface of the fixing seat, and the length of the fixing seat is the same as that of the fixing pad.

5. The adjustable traction frame according to claim 1, characterized in that, The mounting bracket has mounting grooves on both sides of its inner wall, and the moving rod has mounting sliders at both ends. The mounting sliders are slidably connected inside the mounting grooves, and the mounting sliders have internal threads through which mounting screws pass.

6. The adjustable traction frame according to claim 5, characterized in that, One end of the mounting groove is provided with a mounting screw hole, and a mounting screw is sleeved inside the mounting screw hole.

7. The adjustable traction frame according to claim 1, characterized in that, The upper surface of the rotating seat is provided with a rotating groove, and the inner sidewall of the rotating groove is provided with a rotating threaded hole. The movable slider is connected to the rotating seat by a slider bolt.

8. The adjustable traction frame according to claim 1, characterized in that, The lower surface of the movable rod is provided with a movable groove, and a movable slider is slidably connected inside the movable groove. A movable lead screw passes through the top of the movable slider.

9. The adjustable traction frame according to claim 8, characterized in that, A movable lead screw hole is provided at one end of the movable slide groove, and a movable lead screw is sleeved inside the movable lead screw hole.

10. The adjustable traction frame according to claim 1, characterized in that, The fixing rod has a fixing threaded hole on the side near the fixing component, and the upper surface of the fixing component has a fixing bolt, which is compatible with the fixing threaded hole.

Citation Information

Patent Citations

  • Adjustable traction frame

    CN220025329U